CN-224233766-U - Camera control box circuit, camera control box and shooting equipment

Abstract

The utility model discloses a camera control box circuit, a camera control box and shooting equipment, wherein the camera control box circuit comprises a first Type-C interface, a power supply output interface, a first voltage reduction module and a PD decoy module, wherein the first Type-C interface is used for being electrically connected with power supply equipment, the power supply output interface is used for being electrically connected with a camera module, the input end of the first voltage reduction module is electrically connected with a VBUS pin of the first Type-C interface, the output end of the first voltage reduction module is electrically connected with the power supply output interface, and the PD decoy module is electrically connected with the first Type-C interface so as to be in protocol communication with the power supply equipment. According to the technical scheme, the cost and the weight of the camera control box are reduced.

Inventors

• LIU CHAOQI
• YANG SEN
• GAN XIAOQIANG

Assignees

• 尼兹医疗科技(上海)有限公司

Dates

Publication Date

20260512

Application Date

20250611

Claims (10)

1. 1. A camera control box circuit, comprising: the first Type-C interface is used for electrically connecting power supply equipment; The power supply output interface is used for being electrically connected with the camera module; The input end of the first voltage reduction module is electrically connected with the VBUS pin of the first Type-C interface, and the output end of the first voltage reduction module is electrically connected with the power supply output interface; And the PD decoy module is electrically connected with the first Type-C interface so as to be communicated with the power supply equipment protocol.
2. 2. The camera control box circuit of claim 1, the camera control box circuit is characterized by further comprising: The power management module comprises a voltage input end, an enabling end, a normally-open first voltage output end and a plurality of second voltage output ends; The main control chip comprises a power supply control unit and a plurality of power supply pins, wherein the first voltage output end is electrically connected with the power supply control unit to supply power to the power supply control unit, the plurality of power supply pins are electrically connected with the plurality of second voltage output ends in a one-to-one correspondence manner, and the power supply control unit is electrically connected with the enabling end of the power supply management module to control the output of the plurality of second voltage output ends to be turned on and turned off; The input end of the second voltage reduction module is electrically connected with the VBUS pin of the first Type-C interface, and the output end of the second voltage reduction module is electrically connected with the voltage input end of the power management module.
3. 3. The camera control box circuit of claim 2, wherein a plurality of the second voltage output terminals respectively output voltages of different magnitudes.
4. 4. The camera control box circuit of claim 2, further comprising a second Type-C interface, wherein the host chip further comprises a USB2.0 unit, wherein the VBUS pin of the second Type-C interface is electrically connected to the voltage input terminal of the power management module, and wherein the d+ pin and the D-pin of the second Type-C interface are electrically connected to the USB2.0 unit to transmit data with the USB2.0 unit.
5. 5. The camera control box circuit of claim 4, wherein a diode is connected in series between the VBUS pin of the second Type-C interface and the voltage input terminal of the power management module, and an anode of the diode is electrically connected to the VBUS pin of the second Type-C interface.
6. 6. The camera control box circuit of any one of claims 1 to 5, wherein the PD spoofing module comprises a HUSB chip, the VIN pin of the HUSB chip is electrically connected to the VBUS pin of the first Type-C interface, and the d+, D-, CC1, CC2 pins of the HUSB chip are correspondingly electrically connected to the d+, D-, CC1, CC2 pins of the first Type-C interface.
7. 7. The camera control box circuit of claim 6, wherein an ISET pin of the HUSB chip is grounded via a first resistor and/or a VSET pin of the HUSB chip is grounded via a second resistor; Or, the ISET pin of the HUSB chip is grounded through a first resistor, the VSET pin of the HUSB chip is grounded through a second resistor, the first resistor is 4.53KΩ, 7.5KΩ, 10.5KΩ, 13.7KΩ, 16.5KΩ, 19.6KΩ or 22.6KΩ, and the second resistor is 6.04KΩ, 10KΩ, 14KΩ or 17.8KΩ.
8. 8. The camera control box circuit of claim 6, wherein an ISET pin of the HUSB chip is suspended and/or a VSET pin of the HUSB chip is suspended.
9. 9. A camera control box comprising the camera control box circuit of any one of claims 1 to 8.
10. 10. A shooting device, comprising a camera module, a power supply device and the camera control box of claim 9, wherein the first Type-C interface is electrically connected with the power supply device, and the power supply output interface is electrically connected with the camera module to supply power to the camera module.

Description

Camera control box circuit, camera control box and shooting equipment Technical Field The present utility model relates to the field of photographing apparatuses, and in particular, to a camera control box circuit, a camera control box, and a photographing apparatus. Background Currently, photographing apparatuses have become common apparatuses in life of people, such as a motion camera, and are increasingly used, and users use the motion camera to photograph and record scenery, daily life, etc., wherein the voltage required by the operation of a camera module (which may include a video camera and a cradle head) of the motion camera is usually greater than 5V (e.g. 9V, 12V), and when a power supply apparatus (a mobile power supply or an adapter) is directly connected to the camera module to supply power, the voltage is output by default, and the voltage required by the operation of the camera module cannot be reached. The existing scheme is that a battery is arranged in a camera control box, a power supply device charges the battery of the camera control box through an interface, and the battery is output to supply power to a camera module, so that the cost and the weight of the camera control box are increased. Disclosure of utility model The utility model provides a camera control box circuit, a camera control box and shooting equipment, aiming at reducing the cost and weight of the camera control box. In order to achieve the above object, the present utility model provides a camera control box circuit, comprising: the first Type-C interface is used for electrically connecting power supply equipment; The power supply output interface is used for being electrically connected with the camera module; The input end of the first voltage reduction module is electrically connected with the VBUS pin of the first Type-C interface, and the output end of the first voltage reduction module is electrically connected with the power supply output interface; And the PD decoy module is electrically connected with the first Type-C interface so as to be communicated with the power supply equipment protocol. In some embodiments, the camera control box circuit further comprises: The power management module comprises a voltage input end, an enabling end, a normally-open first voltage output end and a plurality of second voltage output ends; The main control chip comprises a power supply control unit and a plurality of power supply pins, wherein the first voltage output end is electrically connected with the power supply control unit to supply power to the power supply control unit, the plurality of power supply pins are electrically connected with the plurality of second voltage output ends in a one-to-one correspondence manner, and the power supply control unit is electrically connected with the enabling end of the power supply management module to control the output of the plurality of second voltage output ends to be turned on and turned off; The input end of the second voltage reduction module is electrically connected with the VBUS pin of the first Type-C interface, and the output end of the second voltage reduction module is electrically connected with the voltage input end of the power management module. In some embodiments, the second voltage output terminals respectively output voltages of different magnitudes. In some embodiments, the camera control box circuit further includes a second Type-C interface, the main control chip further includes a USB2.0 unit, a VBUS pin of the second Type-C interface is electrically connected to a voltage input end of the power management module, and a d+ pin and a D-pin of the second Type-C interface are electrically connected to the USB2.0 unit to transmit data with the USB2.0 unit. In some embodiments, a diode is connected in series between the VBUS pin of the second Type-C interface and the voltage input end of the power management module, and an anode of the diode is electrically connected with the VBUS pin of the second Type-C interface. In some embodiments, the PD decoy module includes HUSB chips, the VIN pins of the HUSB chips are electrically connected to the VBUS pins of the first Type-C interface, and the d+, D-, CC1, CC2 pins of the HUSB chips are correspondingly electrically connected to the d+, D-, CC1, CC2 pins of the first Type-C interface. In some embodiments, the ISET pin of the HUSB chip is grounded via a first resistor and/or the VSET pin of the HUSB chip is grounded via a second resistor; Or, the ISET pin of the HUSB chip is grounded through a first resistor, the VSET pin of the HUSB chip is grounded through a second resistor, the first resistor is 4.53KΩ, 7.5KΩ, 10.5KΩ, 13.7KΩ, 16.5KΩ, 19.6KΩ or 22.6KΩ, and the second resistor is 6.04KΩ, 10KΩ, 14KΩ or 17.8KΩ. In some embodiments, the ISET pin of the HUSB chip is suspended and/or the VSET pin of the HUSB chip is suspended. The utility model also proposes a camera control box comprising a camera control box circuit