CN211266533U

CN211266533U - Charging box

Info

Publication number: CN211266533U
Application number: CN202020051496.6U
Authority: CN
Inventors: 程飞龙; 曲鹏; 武慧
Original assignee: Merry Technology Suzhou Co Ltd
Current assignee: Merry Technology Suzhou Co Ltd
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-08-14
Anticipated expiration: 2030-01-10

Abstract

The embodiment of the utility model discloses charging box is provided with the display screen integrative with the shell of box body on this charging box, be equipped with the controller that has bluetooth function, module, storage module and the battery unit charges in the charging box, controller and module, storage module, display screen electric connection charge, and storage module is used for storing the picture data that the display screen will show, module and the battery unit electric connection charge, and the module of charging is used for charging for TWS bluetooth headset and battery unit. The appearance of the charging box can display customized personalized pictures, the problem that the existing TWS earphone charging box has an appearance structure and a single function and cannot meet personalized requirements is solved, the charging box has the charging and storage functions, meanwhile, the appearance of the charging box can display rich and vivid images, and the personalized requirements of users are met.

Description

Charging box

Technical Field

The embodiment of the utility model provides a TWS earphone charging technology especially relates to a charging box.

Background

With the rapid development of wireless communication technologies such as bluetooth technology, TWS earphones are rapidly developed, and more people are used to use the TWS earphones in offices, travels, trips and fitness places. TWS headphones have also become a necessity for young people to go off street, and have become an indispensable personal habit of using TWS headphones. TWS headsets are currently commonly charged and stored using a charging box.

At present, the appearance of the TWS charging box is usually a simple logo or crisp face facing to the sky, the appearance structure and the function are single, and the TWS charging box is contrary to the trend that young people pursue personalization more and more at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a charging box to realize richening vivid image through charging box outward appearance, satisfy individualized needs.

An embodiment of the utility model provides a charging box, include: the box body and with the upper cover that the box body rotated the connection, the upper cover is equipped with the upper groove, the box body is equipped with the low groove, the upper groove with the low groove cooperation forms and holds the chamber, it is used for holding and places TWS bluetooth headset to hold the chamber, the surface of the box that charges is equipped with the display screen, be equipped with the controller that has the bluetooth function in the box that charges, charge module, storage module and battery unit, the controller with charge module storage module display screen electric connection, storage module is used for the storage the picture data that the display screen will show, charge module with battery unit electric connection, charge module be used for TWS bluetooth headset and/or battery unit charges.

Optionally, the charging box further comprises an indicator light and a display module, wherein the indicator light and the display module are electrically connected with the controller, the indicator light is used for indicating the charging state, and the display module is used for controlling the display screen to display pictures.

Optionally, the charging module includes a charging box charging module and an earphone charging module, and the charging box charging module is electrically connected to the earphone charging module and the battery unit; the earphone charging module is used for charging the TWS Bluetooth earphone, and when the electric quantity of the battery unit is higher than a set threshold value, the battery unit provides a power supply for the earphone charging module; when the electric quantity of the battery unit is lower than a set threshold value, the charging box charging module supplies power to the earphone charging module, and meanwhile, the charging box charging module charges the battery unit.

Optionally, the charging box further comprises an earphone placing detection module, wherein the earphone placing detection module is electrically connected with the controller and used for detecting whether the earphone is placed into the charging box.

Optionally, the charging box further comprises a closing detection module, wherein the closing detection module is electrically connected with the controller and used for detecting whether the upper cover covers the box body.

Optionally, the closing detection module uses a contact switch or a sensor to realize closing detection.

Optionally, the charging box further comprises a display screen control module and a display screen power supply module; the display screen power supply module is electrically connected with the controller and the power end of the display screen.

Optionally, the display screen is an E-ink flexible electronic ink screen.

Optionally, the earphone placing detection module adopts a contact switch or a gravity sensor to realize the earphone placing detection.

Optionally, when the earphone placing detection module detects that an earphone is placed in the charging box, a first detection signal is output, and the controller controls the display screen to display animation of the earphone placing box according to the first detection signal; when the earphone putting-in detection module detects that the earphone is taken out of the charging box, a second detection signal is output, and the controller controls the display screen to display the animation that the earphone leaves the box body according to the second detection signal.

Optionally, when the closed detection module detects that the upper cover covers the box body, a third detection signal is output, the controller controls the charging module to charge the earphone according to the first detection signal and the third detection signal, and controls the display screen to display the charging animation and the electric quantity of the battery.

Optionally, the charging box further comprises a bluetooth antenna, the controller is electrically connected to the bluetooth antenna, and performs data communication with an external terminal through the bluetooth antenna, receives picture data transmitted by the external terminal, and stores the picture data in the storage module.

The utility model discloses a charging box is provided, include: the box body reaches the upper cover of being connected with the box body rotation, the upper cover is equipped with the upper groove, the box body is equipped with the low groove, the upper groove forms with the low groove cooperation and holds the chamber, it is used for holding and places TWS bluetooth headset to hold the chamber, the surface of the box that charges is equipped with the display screen, be equipped with the controller that has the bluetooth function in the box that charges, the module that charges, storage module and battery unit, controller and the module that charges, storage module, display screen electric connection, storage module is used for storing the picture data that the display screen will show, the module and the battery unit electric connection charge, the module that charges is used for charging for TWS bluetooth headset and battery unit. The problem of current TWS earphone box that charges exist outward appearance structure and function singleness can not satisfy individualized demand is solved, still possess for example through the box that charges can show the effect that the earphone goes out, goes into the box and charges the picture when realizing that the box that charges possesses the function of charging and accomodate, the box outward appearance that charges can show abundant vivid image, satisfies user's individualized needs.

Drawings

Fig. 1 is an external view of a charging box according to an embodiment of the present invention;

fig. 2 is an external view of another charging box according to an embodiment of the present invention;

fig. 3 is a block diagram of an internal circuit of a charging box according to an embodiment of the present invention;

fig. 4 is a block diagram of an internal circuit of a charging box according to another embodiment of the present invention;

fig. 5 is an appearance schematic diagram of another charging box in the embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Fig. 1 is an appearance schematic diagram of a charging box provided by an embodiment of the present invention. Exemplarily, referring to fig. 1, the charging box includes: box body 1 reaches the upper cover 2 of being connected with the box body rotation, and upper cover 2 is equipped with upper groove C1, and box body 1 is equipped with lower recess C2, and upper groove C1 forms with lower recess C2 cooperation and holds the chamber, holds the chamber and is used for holding and places TWS bluetooth headset.

Fig. 2 is an external view of another charging box according to an embodiment of the present invention. Illustratively, referring to fig. 1 and 2, the outer surface of the charging box is provided with a display screen, the display screen is integrally arranged with the outer shell of the box body 1, and the display screen can display rich pictures, such as pictures customized by a user. The utility model discloses in the embodiment of the utility model provides an in the shell of box body 1 can be the display area of display screen, adopt the flexible screen that can buckle promptly, the display area is made to the shell of whole box that charges, can show the individuality better. Illustratively, referring to a picture area of 'monday 2019-11-189: 50 battery charge of 88% light rain 9 ℃' displayed on the front surface of the box body 1 in fig. 1, a picture area of 'step number 666 heart rate 66' displayed on one side surface of the box body 1 and a picture area displayed on the back surface of the box body in fig. 2 are display areas of the display screen, and another side surface area of the box body 1 is also a display area. The display screen can also display the content related to the placing or taking out of the TWS Bluetooth headset into the charging box, for example, during the process that the user places the TWS Bluetooth headset into the charging box, the animation of placing the headset into the charging box can be displayed; displaying a picture of the TWS Bluetooth headset in a charging state in the charging process of the TWS Bluetooth headset; and displaying the animation of the box body of the TWS Bluetooth headset when the TWS Bluetooth headset is taken out of the charging box. The appearance of the charging box can display abundant and vivid images, and the personalized requirements of users are met. It should be noted that, the display area is set on the box body 1 in fig. 1 and fig. 2, however, the embodiment of the present invention is not limited to the box body 1, and the upper cover can also be integrated with the display screen synchronously, that is, the display area can also be set on the upper cover 2.

In one embodiment of the present invention, the display screen 3 may be an E-ink flexible electronic ink screen. The E-ink flexible electronic ink screen is composed of electronic ink and a substrate, and countless tiny particles are coated on the E-ink flexible electronic ink screen. The E-ink flexible electronic ink screen has the advantages of readability, flexibility, low power consumption and the like. The reflectivity and the contrast are good, the vision is more comfortable, and the display can be easily performed under the direct irradiation of strong light such as sunlight. The E-ink flexible electronic ink screen only consumes a small amount of power when the display content is refreshed, and can still normally display the last refreshed content after the system is powered off. In addition, the E-ink flexible electronic ink screen has the characteristic of flexibility and flexibility, can be bent to adapt to the radian of a product shell, is convenient to place on a curved surface shell for content display, is easier to integrate the display screen and the charging box by combining the flexibility characteristic of the E-ink display screen through good structural design, and makes the shell of the charging box into a display area.

Fig. 3 is a block diagram of an internal circuit of a charging box according to an embodiment of the present invention. For example, referring to fig. 3, a controller 110 with a bluetooth function, a charging module 200, a storage module 130 and a battery unit 120 are disposed in the charging box, the controller 110 is electrically connected to the charging module 200, the storage module 130 and the display screen 3, the storage module 130 is used for storing image data to be displayed by the display screen 3, the charging module 200 is electrically connected to the battery unit 120, and the charging module 200 is used for charging the TWS bluetooth headset and/or the battery unit 120. When the TWS bluetooth headset needs to be charged, the charging interface of the TWS bluetooth headset may be connected to the charging module 200 of the charging box, and the controller 110 controls the charging module 200 or the battery unit 120 to charge the TWS bluetooth headset after detecting that the charging interface of the TWS bluetooth headset is connected to the charging module 200 of the charging box. The battery cell 120 may be charged by the charging module 200 when it needs to be charged.

According to the technical scheme, the charging box is provided with the display screen integrated with the shell of the box body, the charging box is internally provided with the controller with the Bluetooth function, the charging module and the battery unit, the controller is electrically connected with the charging module, the storage module and the display screen, the storage module is used for storing picture data to be displayed by the display screen, the charging module is electrically connected with the battery unit, and the charging module is used for charging the TWS Bluetooth headset and the battery unit. The appearance of the charging box can display customized personalized pictures, the problem that the existing TWS earphone charging box has an appearance structure and a single function and cannot meet personalized requirements is solved, the charging box has the charging and storage functions, meanwhile, the appearance of the charging box can display rich and vivid images, and the personalized requirements of users are met.

Fig. 4 is a block diagram of an internal circuit of another charging box according to an embodiment of the present invention. Illustratively, referring to fig. 4, the charging box further includes an indicator lamp 140 electrically connected to the controller 110, the indicator lamp 140 being configured to indicate a charging status, and a display module 300 configured to control the display screen 3 to display a picture.

Optionally, referring to fig. 4, the charging module 200 includes a charging box charging module 210 and an earphone charging module 220, wherein the charging box charging module 210 is electrically connected to the earphone charging module 220 and the battery unit 120; the headset charging module 220 is used for charging the TWS bluetooth headset, and when the power of the battery unit 120 is higher than a set threshold, the battery unit 120 provides power for the headset charging module 220; when the amount of power of the battery unit 120 is lower than the set threshold, the charging box charging module 210 provides power to the earphone charging module 220, and the charging box charging module 210 charges the battery unit 120.

When the electric quantity of the battery unit 120 is sufficient, the battery unit 120 supplies power to the headset charging module 220, and then the headset charging module 220 charges the TWS bluetooth headset; when the battery level of the battery unit 120 is low, the charging box charging module 210 supplies power to the ear phone charging module 220, and the ear phone charging module 220 charges the TWS bluetooth ear phone and the battery unit 120 at the same time. Thereby, the battery cell 120 can be protected, preventing the battery cell 120 from being damaged due to the shortage of electricity.

Optionally, referring to fig. 4, the charging box further includes an earphone insertion detection module 150, and the earphone insertion detection module 150 is electrically connected to the controller 110 for detecting whether the earphone is inserted into the charging box.

Optionally, referring to fig. 1 and 4, the charging box further includes a closing detection module 160, and the closing detection module 160 is electrically connected to the controller 110 and is used for detecting whether the upper cover 2 covers the box body 1.

The closure detection module 160 may implement closure detection using a contact switch or sensor.

Illustratively, referring to fig. 1, the closing detection module 160 employs a contact switch, the contact switch employed by the closing detection module 160 includes a first contact block K1 and a second contact block K2, the first contact block K1 and the second contact block K2 are respectively electrically connected to the controller 110 through a wire harness, and the controller 110 can determine whether the upper cover 2 covers the box body 1 by detecting whether the first contact block K1 and the second contact block K2 are short-circuited. For example, an electrical signal may be outputted to the first contact block K1, and whether the two are in contact may be determined by detecting whether the electrical signal is present on the second contact block K2, thereby determining whether the cover 2 and the case 1 are closed. When the upper cover 2 is not covered with the box body 1, the first contact block K1 and the second contact block K2 are not contacted, the controller 110 detects that the first contact block K1 and the second contact block K2 are not connected, and determines that the upper cover 2 is not covered with the box body 1; when the upper cover 2 is closed to the box body 1, the first contact block K1 contacts with the second contact block K2, and the controller 110 detects the electrical connection between the first contact block K1 and the second contact block K2 to determine that the upper cover 2 is closed to the box body 1.

Optionally, referring to fig. 4, the charging box further includes a display screen control module 310 and a display screen power module 320; the display panel control module 310 is electrically connected to the controller 110 and the data terminal a0 of the display panel 3, and the display panel power module 320 is electrically connected to the controller 110, the display panel power module 320 and the power terminal B0 of the display panel 3.

The controller 110 controls the display screen control module 310 to control the display screen 3 to display, and the display screen power module 320 only supplies power to the display screen control module 310 and the display screen 3 when the display content of the display screen 3 is refreshed. The method specifically comprises the following steps: when a display screen is required to display a picture, the controller 110 controls the display screen power module 320 to respectively supply power to the display screen control module 310 and the display screen 3 after receiving a display picture signal, the display screen control module 310 works after being powered on, the controller 110 sends a display picture starting signal to the display screen control module 310, the display screen control module 310 controls the display screen 3 to display when receiving the display picture starting signal, after the display picture of the display screen 3 is finished, the display screen control module 310 sends a display screen picture refreshing finishing signal to the controller 110, the controller 110 controls the display screen power module 320 to be powered off after receiving the display screen picture refreshing finishing signal, at the moment, the display screen power module 320 stops supplying power to the display screen control module 310 and the display screen 3, and the display screen 3 is an E-ink flexible electronic ink screen and has the characteristic of keeping the display content after being powered off, the display screen 3 can continue to display the content being displayed at this time although power is not supplied thereto. When the controller 110 receives the display image signal of the display 3 again, the controller 110 controls the display power module 320 to supply power to the display control module 310 and the display 3, respectively. Therefore, the display screen power module 320 can supply power to the display screen control module 310 and the display screen 3 only when the display content of the display screen 3 is refreshed, the purpose of reducing power consumption can be achieved, and when no new content needs to be refreshed for display, the power consumption of the display part can be ignored.

Alternatively, referring to fig. 4, the earphone insertion detection module 150 implements earphone insertion detection using a contact switch or a gravity sensor.

The earphone placing detection module 150 may employ a contact switch, and when the earphone is placed in the lower groove of the charging box or taken out of the lower groove of the charging box, the contact switch outputs different switch signals to the controller, and the controller determines whether the earphone is placed in the charging box or taken out of the charging box according to the received switch signals. The earphone is put into detection module and also can be adopted gravity sensor, and gravity sensor sets up in the lower groove, and its effect principle does, puts into the lower groove of box body when the earphone in, and gravity sensor can sense the gravity change of lower groove and will correspond this gravity change signal transmission and give the controller, for example gravity sensor corresponds different gravity output different signals to controller, and the controller is confirmed according to the change of signal that the earphone is put into the box that charges or is taken out the box that charges.

In an implementation manner of the embodiment of the present invention, when the earphone placing detection module 150 detects that the earphone is placed in the charging box, a first detection signal is output, and the controller 110 controls the display screen 3 to display an animation of the earphone placing box according to the first detection signal; when the earphone placing detection module 150 detects that the earphone is taken out of the charging box, a second detection signal is output, and the controller 110 controls the display screen 3 to display the animation that the earphone leaves the box body according to the second detection signal. For example, when the earphone placing detection module 150 detects that the earphone is placed in the charging box, a high level signal is output, and when the earphone placing detection module 150 detects that the earphone is taken out of the charging box, a low level signal is output; or when the earphone placing detection module 150 detects that the earphone is placed in the charging box, a low level signal is output, and when the earphone placing detection module 150 detects that the earphone is taken out of the charging box, a high level signal is output.

The utility model discloses in an embodiment of the embodiment, when closed detection module 160 detected 2 lids of upper cover and closed box body 1, then output third detected signal, controller 110 charges to the earphone according to first detected signal and third detected signal control charging module 200 to the electric quantity of control display screen 3 demonstration animation and battery of charging.

Specifically, the user puts the earphone to be charged into the charging box, the earphone putting detection module 150 detects that the earphone is put into the charging box, and outputs a first detection signal to the controller 110, and the controller 110 calls the picture data stored in the storage module after receiving the first detection signal and controls the display screen 3 to display the picture that the earphone is put into. When a user sees that the earphone is put into the charging box, the upper cover 2 of the charging box is covered, the closing detection module 160 detects that the upper cover 2 covers the box body 1 and then outputs a third detection signal to the controller 110, the controller 110 sends a charging start signal to the charging module 200, the charging module 200 receives the charging start signal and then starts the battery unit 120 to charge the earphone, and sends a state signal of charging the earphone by the battery unit 120 to the controller 110, the controller 110 receives the state signal of charging the earphone and then controls the display module 300 to be opened, calls the picture data of the charging box put into the earphone stored in the storage module 130, displays the charging state data of the earphone through the display module 300, for example, the picture data of the charging box put into the earphone and the picture data of the charging box in the charging state are stored in the storage module 130 in advance, when the display module 300 is opened, the picture data of the charging box put into the earphone stored in the storage module 130 can be used, the picture of the earphone put into the charging box is displayed in the process that the earphone is put into the charging box, and the picture of the earphone in the charging state can be displayed in the process of charging the earphone according to the charging state data of the earphone stored in the storage module 130, wherein the charging state data of the earphone comprises the electric quantity information of the battery. After the charging of the earphone is completed, the user takes the earphone out, the earphone placing detection module 150 detects that the earphone is taken out of the charging box and outputs a second detection signal, and the controller 110 controls the display module 300 to display the animation that the earphone is taken out of the box according to the received second detection signal.

Optionally, referring to fig. 4, the charging box further includes a bluetooth antenna 170, and the controller 110 is electrically connected to the bluetooth antenna 170, performs data communication with an external terminal through the bluetooth antenna 170, receives image data transmitted by the external terminal, and stores the image data in the storage module 130.

Illustratively, the charging box may communicate with a terminal, such as a bluetooth connection with a cell phone, via the bluetooth antenna 170 and perform data transmission. The development has corresponding picture to handle the APP at the cell-phone end, like beauty camera APP, beautiful picture show APP etc. the user can handle local picture or the photo that the APP selected oneself to like at cell-phone end picture, and cell-phone picture is handled the APP and can be according to the size of picture, and information conversion such as size becomes the content that is fit for the display screen display of charging box, and generate corresponding effect picture and let the user confirm. The user handles the picture through picture processing APP after, sends for the box that charges through cell-phone bluetooth. The bluetooth antenna 170 of the charging box receives bluetooth picture data sent by the mobile phone. Since the transmission of the picture data requires a certain time, the controller 110 stores the received data in the storage module 130 during the transmission of the picture data through bluetooth, and after all the picture data are received, the controller 110 takes out the picture data stored in the storage module 130 and controls the display screen control module 310 to control the display screen 3 to display the picture content. In this way, the customized pictures can be stored in the storage module 130 according to the user's needs, the customized pictures stored in the storage module 130 can be displayed by controlling the display module 300 through the controller 110, and the user can conveniently control the pictures or animations displayed on the charging box. For example, fig. 5 is an appearance schematic diagram of another charging box provided in the embodiment of the present invention, and a customized picture with a cheerful girl is displayed on the charging box as a starting display picture of the charging box, which is vivid and meets the personalized needs of the user.

According to the technical scheme, the charging box is provided with the display screen integrated with the shell of the box body, the charging box is internally provided with the controller with the Bluetooth function, the charging module and the battery unit, the controller is electrically connected with the charging module and the display screen, the charging module is electrically connected with the battery unit, and the charging module is used for charging the TWS Bluetooth headset and the battery unit. The appearance of the charging box can display customized personalized pictures, the problem that the existing TWS earphone charging box has an appearance structure and single function and cannot meet personalized requirements is solved, the charging box has the charging and accommodating functions and also has the effect that the pictures of the charging box and the pictures of the charging box can be displayed through the charging box, and the appearance of the charging box can display rich and vivid images and meet the personalized needs of users.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A charging box comprising: the charging box comprises a box body and an upper cover rotationally connected with the box body, and is characterized in that the upper cover is provided with an upper groove, the box body is provided with a lower groove, the upper groove and the lower groove are matched to form a containing cavity, the containing cavity is used for containing a TWS (two-way clutch) Bluetooth headset, a display screen is arranged on the outer surface of the charging box, a controller with a Bluetooth function, a charging module, a storage module and a battery unit are arranged in the charging box, the controller is electrically connected with the charging module, the storage module and the display screen, the storage module is used for storing picture data to be displayed by the display screen, the charging module is electrically connected with the battery unit, and the charging module is used for charging the TWS Bluetooth headset and/or the battery unit.

2. The charging box according to claim 1, further comprising an indicator light electrically connected to the controller and a display module, wherein the indicator light is used for indicating a charging state, and the display module is used for controlling the display screen to display a picture.

3. The charging box of claim 1, wherein the charging module comprises a charging box charging module and an earphone charging module, and the charging box charging module is electrically connected with the earphone charging module and the battery unit; the earphone charging module is used for charging the TWS Bluetooth earphone, and when the electric quantity of the battery unit is higher than a set threshold value, the battery unit provides a power supply for the earphone charging module; when the electric quantity of the battery unit is lower than a set threshold value, the charging box charging module supplies power to the earphone charging module, and meanwhile, the charging box charging module charges the battery unit.

4. The charging box according to claim 1, further comprising an earphone insertion detection module,

the earphone placing detection module is electrically connected with the controller and used for detecting whether the earphone is placed in the charging box or not.

5. The charging box according to claim 1, further comprising a closing detection module electrically connected to the controller for detecting whether the upper cover closes the box body.

6. The charging box according to claim 5, wherein the closure detection module employs a contact switch or a sensor for closure detection.

7. The charging box according to claim 1, further comprising a display screen control module and a display screen power module; the display screen power supply module is electrically connected with the controller and the power end of the display screen.

8. The charging box according to claim 7, wherein the display screen is an E-ink flexible electronic ink screen.

9. The charging box according to claim 4, wherein the earphone insertion detection module uses a contact switch or a gravity sensor to realize earphone insertion detection.

10. The charging box of claim 9, wherein the earphone placing detection module outputs a first detection signal when detecting that an earphone is placed in the charging box, and the controller controls the display screen to display an animation of the earphone placing box body according to the first detection signal;

when the earphone putting-in detection module detects that the earphone is taken out of the charging box, a second detection signal is output, and the controller controls the display screen to display the animation that the earphone leaves the box body according to the second detection signal.

11. The charging box according to claim 10, further comprising a closing detection module, wherein when the closing detection module detects that the upper cover closes the box body, the closing detection module outputs a third detection signal, and the controller controls the charging module to charge the earphone according to the first detection signal and the third detection signal, and controls the display screen to display a charging animation and the electric quantity of the battery.

12. The charging box according to any one of claims 1 to 11, further comprising a bluetooth antenna, wherein the controller is electrically connected to the bluetooth antenna, performs data communication with an external terminal through the bluetooth antenna, receives image data transmitted from the external terminal, and stores the image data in the storage module.