Remote control photographing mobile phone auxiliary screen

Abstract

The utility model relates to the technical field of mobile phone photographing accessories, and discloses a remote control photographing mobile phone auxiliary screen, which comprises a shell, a display screen, a decoding control module, a WIFI (Wireless Fidelity) module, a Bluetooth module and a power supply module. The display screen is embedded in the front face of the shell, the decoding control module, the WIFI module, the Bluetooth module and the power module are all arranged in the shell, a photographing key used for controlling photographing is arranged on the outer surface of the shell, and a magnetic attraction ring is arranged on the back side of the shell. The display screen, the WIFI module, the Bluetooth module and the photographing key are all electrically connected with the decoding control module. The power supply module is used for supplying power to the modules and the display screen; and a charging interface electrically connected with the power supply module is arranged on the outer surface of the shell. According to the auxiliary screen, a screen projection picture of a mobile phone can be obtained in a wireless mode, the mobile phone can be remotely controlled for photographing, meanwhile, the auxiliary screen can be attracted to the back of the mobile phone through the magnetic attraction ring, a user can conveniently adjust a monitoring picture composition when the mobile phone is used for photographing, and the photographing convenience of the mobile phone is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mobile phone photography accessory technical field, concretely relates to a remote control photographing mobile phone secondary screen. BACKGROUND

[0002] In recent years, with the development of mobile phone camera technology, the photographing function of mobile phone camera is more and more powerful, gradually can be compared with the medium and low end camera, leading to mobile phone gradually replaces camera and becomes the creation tool of photography lovers or self-media practitioners. Because the high-definition camera of mobile phone is often arranged at the back side of mobile phone, in the process of self -photographing or video recording, it is inconvenient to use high-definition camera and monitor the picture through the display screen of mobile phone simultaneously. For this reason, part of manufacturers have launched the secondary screen matched with mobile phone, can project the picture of mobile phone to the secondary screen, so as to monitor the picture in the process of photographing. But the existing secondary screen all obtains the picture displayed by mobile phone through wired connection, thereby limiting the moving range of secondary screen, affecting the freedom degree of user adjusting composition. And the existing secondary screen needs to be held by user, and is not beneficial to the operation of user. UTILITARIAN CONTENT

[0003] In order to overcome the deficiency of prior art, the purpose of the utility model is to provide a remote control photographing mobile phone secondary screen, can wirelessly obtain the picture displayed by mobile phone, and remotely controls mobile phone to photograph, can also be fixed on the back of mobile phone, convenient to use, improve the freedom degree of user using mobile phone to photograph.

[0004] In order to solve the above problems, the technical scheme adopted by the utility model is as follows: a remote control photographing mobile phone secondary screen, including casing, display screen, decoding control module, WIFI module, bluetooth module and power module, the display screen is embedded in the front of the casing, the decoding control module, the WIFI module, the bluetooth module and the power module are all arranged in the casing, the outer surface of the casing is provided with a photographing button for controlling photographing, the back side of the casing is provided with a magnetic ring, the display screen, the WIFI module, the bluetooth module and the photographing button are all electrically connected with the decoding control module, the power module is used for power supply for the display screen, the decoding control module, the WIFI module and the bluetooth module, the outer surface of the casing is provided with the charging interface that is electrically connected with the power module.

[0005] Compared to existing technologies, the advantages of this invention are as follows: This remote-controlled camera secondary screen can connect to the phone via a Wi-Fi module, allowing the phone to wirelessly project its display onto the secondary screen. It can also be remotely controlled to take photos via Bluetooth. This secondary screen does not require a wired connection to the phone, allowing for remote control and increased freedom in framing shots. Furthermore, the secondary screen can be magnetically attached to the back of the phone, enabling monitoring during live streaming or video recording without the need for handheld operation or a tripod, further enhancing usability.

[0006] The aforementioned remote-controlled camera secondary screen for mobile phones includes a power module comprising a charging control circuit, a discharging control circuit, and a battery. Both the charging control circuit and the discharging control circuit are electrically connected to the battery. The charging control circuit is electrically connected to the charging interface. The discharging control circuit is electrically connected to the Wi-Fi module, the Bluetooth module, the decoding control module, and the display screen via a voltage conversion circuit.

[0007] In the aforementioned remote-controlled camera phone secondary screen, the discharge control circuit is electrically connected to the charging interface.

[0008] The aforementioned remote-controlled camera secondary screen for mobile phones supports both the charging control circuit and the discharging control circuit for PD and / or QC fast charging protocols.

[0009] The aforementioned remote-controlled camera secondary screen uses a USB Type-C charging interface.

[0010] The aforementioned remote-controlled camera phone secondary screen has a wireless charging coil on the back of the housing, and the power module also includes a wireless charging control circuit. The wireless charging coil is electrically connected to the battery through the wireless charging control circuit.

[0011] In the aforementioned remote-controlled camera secondary screen, the wireless charging coil is disposed within the magnetic ring.

[0012] The aforementioned remote-controlled camera phone secondary screen has its camera button located on the side of the housing.

[0013] The aforementioned remote-controlled camera phone secondary screen has at least one notch in the magnetic ring.

[0014] In the aforementioned remote-controlled camera phone secondary screen, a magnetic shielding sheet is provided on the side of the magnetic ring facing the display screen.

[0015] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. Attached Figure Description

[0016] Figure 1A perspective view of the remote control photographing mobile phone sub-screen is shown in the embodiment of the utility model.

[0017] Figure 2 A bottom view of the remote control photographing mobile phone sub-screen is shown in the embodiment of the utility model.

[0018] Figure 3 A back structure diagram of the remote control photographing mobile phone sub-screen is shown in the embodiment of the utility model.

[0019] Figure 4 A principle block diagram of the remote control photographing mobile phone sub-screen is shown in the embodiment of the utility model.

[0020] Figure 5 A principle block diagram of the power module is shown in the embodiment of the utility model.

[0021] Explanation of the reference signs:

[0022] 100 shell, 110 photographing button, 120 charging interface, 200 display screen, 300 magnetic attraction ring. Specific implementation

[0023] The embodiment of the utility model will be described in detail below, with reference to Figures 1 to 4 The embodiment of the utility model provides a remote control photographing mobile phone sub-screen, which comprises a shell 100, a display screen 200, a decoding control module, a WIFI module, a Bluetooth module and a power module. The display screen 200 is embedded on the front face of the shell 100, and the decoding control module, the WIFI module, the Bluetooth module and the power module are all arranged in the shell 100. A photographing button 110 for controlling photographing is arranged on the outer surface of the shell 100, and a magnetic attraction ring 300 is arranged on the back side of the shell 100. The display screen 200, the WIFI module, the Bluetooth module and the photographing button 110 are all electrically connected with the decoding control module, the power module is used for supplying power to the display screen 200 and the modules, and a charging interface 120 electrically connected with the power module is arranged on the outer surface of the shell 100.

[0024] The remote photographing mobile phone secondary screen can establish a local area network with the mobile phone through the WI FI module or be in the same wireless network with the mobile phone, so that the mobile phone can transmit the picture of the mobile phone to the secondary screen through the wireless projection function, and the picture is displayed on the display screen 200 after being decoded by the decoding control module. Meanwhile, the secondary screen can also remotely control the mobile phone through the Bluetooth module through the H ID protocol, and cooperate with the photographing button 110 to realize remote photographing of the mobile phone. When the remote photographing mobile phone secondary screen is used as a monitor or viewfinder for mobile phone shooting, it can realize monitoring of the shooting picture without wired connection with the mobile phone, so as to facilitate the user to fully utilize the wide-angle or long-focus function of the mobile phone camera and make more creative and free composition. The secondary screen can also be fixed on the back of the mobile phone or any ferrous or magnetic structure through the magnetic ring 300 on the back, so as to avoid the user's need to hold the secondary screen during monitoring, free the user's hands and improve the convenience of use. Meanwhile, when the mobile phone is used for live broadcast or video shooting, the secondary screen can be directly attached to the back of the mobile phone as a monitor without the need for an additional bracket for the secondary screen.

[0025] It can be understood that, with reference to Figure 1 and Figure 2 , in some embodiments, the photographing button 110 is arranged on the side of the shell 100, so as to facilitate remote photographing of the mobile phone through the secondary screen by pressing the photographing button 110 when holding the secondary screen. The side of the shell 100 is also provided with a function button for starting the power supply of the secondary screen or for other functions, which can even be customized by software.

[0026] The power supply module generally includes a charging control circuit, a discharging control circuit and a battery. The charging control circuit and the discharging control circuit are electrically connected with the battery. The charging control circuit is electrically connected with the charging interface 120 to control the charging of the electric energy input from the charging interface 120 into the battery. The discharging control circuit is electrically connected with the WI FI module, the Bluetooth module, the decoding control module and the display screen 200 through a voltage conversion circuit, and converts the electric energy discharged from the battery into stable direct current, and then converts it into the voltage required for the operation of each module and the display screen 200 through the voltage conversion circuit. In some embodiments, with reference to Figure 5 , the discharging control circuit can also be electrically connected with the charging interface 120, so that the electric energy stored in the battery can be transmitted to other devices through the charging interface 120, so that the secondary screen can be used as a backup power supply or a power bank in an emergency. It can be understood that the charging control circuit and the discharging control circuit should support one or several of the fast charging protocols such as PD protocol and QC protocol to improve the charging efficiency of the secondary screen. In this embodiment, the charging interface 120 should adopt the widely promoted USB TYPE-C interface to adapt to most charging devices or electronic devices. The charging interface 120 is arranged at the bottom of the secondary screen to facilitate connection with a charger or other electronic devices.

[0027] It can be understood that the secondary screen is preferably designed to be low-power and lightweight, so that it can be used while charging. The back side of the shell 100 is provided with a wireless charging coil, and the power supply module further comprises a wireless charging control circuit, and the wireless charging coil is electrically connected to the battery through the wireless charging control circuit, so that when it is adsorbed on the back of the mobile phone, it can obtain continuous power supply through the reverse charging function of the mobile phone, thereby prolonging the working time of the secondary screen without providing additional power supply for the secondary screen. It can be understood that the wireless charging coil is preferably arranged inside the magnetic attraction ring 300, so that when the secondary screen is adsorbed on the back of the mobile phone, the wireless charging coil of the secondary screen is aligned with the wireless charging coil of the mobile phone. Referring to Figure 3 In some embodiments, in order to avoid the magnetic field of the magnetic attraction ring 300 affecting the wireless charging process and the signal transmission between the modules inside the secondary screen, the magnetic attraction ring 300 is provided with at least one notch, and the side of the magnetic attraction ring 300 facing the display screen 200 is provided with a magnetic shielding sheet.

[0028] It can be understood that the decoding control module can use a GPU such as B100 of Nvidia, or a general CPU, to realize the video signal received by the WIFI module through soft decoding. The Bluetooth module can use a Bluetooth chip such as GX6328B or BK3266, and the WIFI module can use a WIFI chip such as RTL8731 BU. The wireless charging control circuit, the charging control circuit, the discharging control circuit and the voltage conversion circuit are all known in the art, and their specific structures are not described here.

[0029] It should be noted that in the description of the present application, if there is a description of the orientation, such as the orientation or position relationship indicated by the upper, lower, front, rear, left, right and the like, it is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and is not indicative or implied that the indicated device or element must have a specific orientation, be constructed or operated in a specific orientation, and cannot be understood as a limitation of the present application.

[0030] In the description of the present application, the meaning of several is one or more, the meaning of multiple is two and two or more, greater than, less than, more than, etc. are not included in the number, above, below, etc. are understood to include the number. If there is a description of the first or second, etc., it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of indicated technical features.

[0031] In the description of the utility model, unless another definite limitation, the words such as setting, installing, connecting should be understood broadly, and the skilled person in the art can determine the specific meaning of the above words in the utility model according to the specific content of the technical scheme.

[0032] The above embodiment is only the preferred embodiment of the utility model, and cannot be used to limit the range of the utility model protection, and any non-substantial change and replacement of the skilled person in the art on the basis of the utility model all belong to the range of the utility model protection.

Claims

1. A remote control photographing mobile phone sub-screen, characterized in that, The application relates to a decoding control module, a WIFI module, a Bluetooth module and a power module, a display screen (200) is embedded on the front surface of the shell (100), the decoding control module, the WIFI module, the Bluetooth module and the power module are arranged in the shell (100), a photographing button (110) for controlling photographing is arranged on the outer surface of the shell (100), a magnetic attraction ring (300) is arranged on the back side of the shell (100), the display screen (200), the WIFI module, the Bluetooth module and the photographing button (110) are electrically connected with the decoding control module, the power module is used for supplying power for the display screen (200), the decoding control module, the WIFI module and the Bluetooth module, a charging interface (120) electrically connected with the power module is arranged on the outer surface of the shell (100).

2. The remote photographing mobile phone sub-screen according to claim 1, wherein, The power module comprises a charging control circuit, a discharging control circuit and a battery, the charging control circuit and the discharging control circuit are electrically connected with the battery, the charging control circuit is electrically connected with the charging interface (120), the discharging control circuit is electrically connected with the WIFI module, the Bluetooth module, the decoding control module and the display screen (200) through a voltage conversion circuit.

3. The remote photographing mobile phone sub-screen according to claim 2, characterized in that, The discharging control circuit is electrically connected with the charging interface (120).

4. The remote photographing mobile phone sub-screen according to claim 2 or 3, characterized in that, The charging control circuit and the discharging control circuit support PD and / or QC fast charging protocols.

5. The remote photographing cell phone sub-screen according to claim 1, wherein, The charging interface (120) is a USBTYPE-C interface.

6. The remote photographing cell phone sub-screen according to claim 2, wherein, The back side of the shell (100) is provided with a wireless charging coil, the power module further comprises a wireless charging control circuit, and the wireless charging coil is electrically connected with the battery through the wireless charging control circuit.

7. The remote photographing cell phone sub-screen according to claim 6, wherein, The wireless charging coil is arranged in the magnetic attraction ring (300).

8. The remote photographing cell phone sub-screen according to claim 1, wherein, The photographing button (110) is arranged on the side surface of the shell (100).

9. The remote photographing cell phone sub-screen according to claim 1, wherein, The magnetic attraction ring (300) is provided with at least one notch.

10. The remote photographing cell phone sub-screen according to claim 1, wherein, The side of the magnetic attraction ring (300) facing the display screen (200) is provided with a magnetic shielding sheet.

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