Control circuit of multifunctional V-port battery

Abstract

The invention provides a control circuit of a multifunctional V-port battery, which comprises a power supply, a power management circuit, a multifunctional V-port battery main control circuit in power supply connection, and the power management circuit is in power supply connection with a Type-C and Type-A power supply circuit, a double-path DC output power supply circuit, a BP / D-TAP power supply circuit and an NP-F battery charging circuit. The multifunctional V-port battery main control circuit is in control connection with the power management circuit, the Type-C and Type-A power supply circuit, the double-path DC output power supply circuit and the NP-F battery charging circuit, and the output end of the multifunctional V-port battery main control circuit is further connected with the input end of the OLED display screen. The multifunctional V-port battery has the beneficial effects that the standby NP-F battery can be charged while the multifunctional V-port battery supplies power to peripheral electronic equipment of the camera.

Description

Technical Field

[0001] The invention relates to the technical field of circuits, and in particular to a control circuit for a multifunctional V-mount battery. Background Art

[0002] Mobile power pack (MPP), also known as power bank, travel charger, etc., is a portable charger that integrates power supply and charging functions. It can charge mobile phones, tablets and other electronic devices anytime and anywhere. Generally, lithium batteries are used as power storage units, which are convenient and quick to use. V-mount battery is a type of mobile power supply, specially used in the field of cameras. Because it has a V-shaped groove buckle on the surface, it is easy to clip on some cameras as a power management circuit, so it is called V-mount battery.

[0003] V-mount batteries are lithium-ion batteries. They are one of the common equipment in the camera industry and a must-have product for cameramen. They can be found almost everywhere in the camera industry. V-mount batteries can meet the daily equipment power supply needs of most camera crews. They can be directly connected to various types of cameras for easy carrying. They can power the camera's peripheral electronic equipment, eliminating the need to carry multiple chargers of different models every time, simplifying the process of preparing camera equipment and improving the work efficiency of the crew. The interior of a V-mount battery is generally composed of a rechargeable lithium-ion battery and a main control circuit board. The main control circuit board includes an output protection board in the battery area, a temperature sensing element at the battery end, a temperature control element, and some voltage stabilizing components. The overall circuit design is very simple and clear.

[0004] Common lithium-ion batteries are commonly used in digital cameras, camcorders and other portable electronic devices.

[0005] Although the battery has a high capacity, it is limited by its size and is not enough to power daily or indoor shooting. However, when shooting outdoors, in order to ensure the battery life of the camera, you usually need to prepare a lot of spare batteries, as well as V-mount batteries that provide a variety of power supply interfaces to power the camera's peripheral electronic devices. This is not only troublesome to prepare and inconvenient to carry, but also causes anxiety about the camera's battery life, and the user experience is not good enough. Summary of the invention

[0006] In order to solve the problems in the prior art, the present invention provides a control circuit of a multifunctional V-mount battery. By arranging a power supply, a power management circuit, a multifunctional V-mount battery main control circuit, Type-C and Type-A power supply circuits, a dual-channel DC output power supply circuit, a BP / D-TAP power supply circuit, an NP-F battery charging circuit and an OLED display screen that cooperate with each other in the control circuit of the multifunctional V-mount battery, the multifunctional V-mount battery can be used to charge a spare NP-F battery with insufficient power while supplying power to peripheral electronic equipment of a camera, thereby greatly reducing the number of spare NP-F batteries that need to be carried when shooting in the wild, improving the user experience, and solving the problem in the prior art that it is very troublesome and the user experience is not good when the camera needs to carry a lot of spare NP-F batteries when shooting in the wild.

[0007] A control circuit of a multifunctional V-mount battery provided by the present invention comprises a power supply, a power management circuit, a multifunctional V-mount battery main control circuit, a Type-C and Type-A power supply circuit, a dual-channel DC output power supply circuit, a BP / D-TAP power supply circuit, an NP-F battery charging circuit and an OLED display screen, wherein the power supply is connected to the power management circuit and the multifunctional V-mount battery main control circuit for power supply, the output end of the power management circuit is connected to the Type-C and Type-A power supply circuit, the dual-channel DC output power supply circuit, the BP / D-TAP power supply circuit, and the NP-F battery charging circuit for power supply, the output end of the multifunctional V-mount battery main control circuit is connected to the power management circuit, the Type-C and Type-A power supply circuit, the dual-channel DC output power supply circuit, and the NP-F battery charging circuit for control, and the output end of the multifunctional V-mount battery main control circuit is also connected to the input end of the OLED display screen. The input end of the multifunctional V-mount battery main control circuit is also connected to a control button, the output end of the power management circuit is also connected to a charging protocol detection circuit for detecting and supplementing the charging protocol of the charging line, the output end of the Type-C and Type-A power supply circuit can be connected to a Type-C interface electronic device and a Type-A interface electronic device, the output end of the NP-F battery charging circuit can be connected to a spare NP-F battery, the output end of the dual-channel DC output power supply circuit can output an 8V DC voltage source and a 12V DC voltage source, the output end of the BP / D-TAP power supply circuit can be connected to a BP / D-TAP interface electronic device, and the multifunctional V-mount battery main control circuit can control the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuit, and the BP / D-TAP power supply circuit to power the camera peripheral electronic devices while controlling the NP-F battery charging circuit to charge the spare NP-F battery.

[0008] The present invention is further improved. The multifunctional V-mount battery main control circuit is provided with a main control chip U5, a resistor R60, a resistor R62, a resistor R64, a resistor R67, a resistor R69, a resistor R71, a resistor R74 and a resistor R76, wherein the main control chip U5 is provided with 48 pins, the 1st and 9th pins of the main control chip U5 are connected to the power supply, the 21st pin of the main control chip U5 is connected to the input end of the power management circuit through the resistor R67, the 22nd pin of the main control chip U5 is connected to the input end of the power management circuit through the resistor R69, the 17th pin of the main control chip U5 is connected to the input end of the Type-C and Type-A power supply circuit through the resistor R60, and the 18th pin of the main control chip U5 is connected to the Type-C and Type-A power supply circuit through the resistor R62. -C and Type-A power supply circuits are connected to the input end, the 19th pin of the main control chip U5 is connected to the input end of the Type-C and Type-A power supply circuits through the resistor R64, the 42nd pin of the main control chip U5 is connected to the input end of the OLED display screen through the resistor R71, the 43rd pin of the main control chip U5 is connected to the input end of the OLED display screen through the resistor R74, the 41st pin of the main control chip U5 is connected to the input end of the OLED display screen through the resistor R76, the 20th and 27th pins of the main control chip U5 are connected to the input end of the NP-F battery charging circuit, the 33rd and 32nd pins of the main control chip U5 are connected to the input end of the dual-channel DC output power supply circuit, and the 5th pin of the main control chip U5 is connected to the control button.

[0009] The present invention is further improved, and the power management circuit is provided with a power management chip U2, a resistor R16, a field effect transistor M11, a field effect transistor M12, a resistor R43, a resistor R44, a resistor R23 and a resistor R40, wherein the power management chip U2 is provided with 40 pins, the 26th pin of the power management chip U2 is connected to one end of the resistor R16, and the other end of the resistor R16 is connected to the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuit, the BP / D-TAP power supply circuit, and the NP-F battery charging circuit for power supply, the 8th pin of the power management chip U2 is connected to one end of the resistor R43, and the other end of the resistor R43 is connected to the The source of the field effect tube M11 is connected, the drain of the field effect tube M11 is connected to one end of the resistor R23, the drain of the field effect tube M11 is also connected to the 22nd pin of the main control chip U5 through the resistor R69, the other end of the resistor R23 is connected to the power supply, the 9th pin of the power management chip U2 is connected to one end of the resistor R44, the other end of the resistor R44 is connected to the source of the field effect tube M12, the drain of the field effect tube M12 is connected to one end of the resistor R40, the drain of the field effect tube M12 is also connected to the 21st pin of the main control chip U5 through the resistor R67, and the other end of the resistor R40 is connected to the power supply.

[0010] The present invention is further improved, the NP-F battery charging circuit is provided with an NP-F battery charging chip U8, a resistor R56, a field effect transistor M16, a field effect transistor M17, a field effect transistor M28 and a resistor R125, wherein the NP-F battery charging chip U8 is provided with 40 pins, the first pin of the NP-F battery charging chip U8 is connected to the third pin of the NP-F battery charging chip U8 and the drain of the field effect transistor M17, the source of the field effect transistor M17 is connected to the other end of the resistor R16 and one end of the resistor R56, the other end of the resistor R56 is connected to the gate of the field effect transistor M17, the gate of the field effect transistor M17 The drain of the field effect transistor M16 is connected to the 20th pin of the main control chip U5, the 18th pin of the NP-F battery charging chip U8 is connected to the 19th pin of the NP-F battery charging chip U8 and one end of the resistor R125, and the 18th pin of the NP-F battery charging chip U8 can also be connected to the backup NP-F battery charging, the other end of the resistor R125 is connected to the gate of the field effect transistor M28, the drain of the field effect transistor M28 is connected to the 27th pin of the main control chip U5, and the source of the field effect transistor M16 and the source of the field effect transistor M28 are grounded.

[0011] The present invention is further improved, and the Type-C and Type-A power supply circuit is provided with a Type-C and Type-A power supply chip U1, an inductor L1, an inductor L2, an inductor L4, an inductor L5, a Type-C interface CN1 and a Type-A interface CN3, wherein the Type-C and Type-A power supply chip U1 is provided with 64 pins, the 32nd pin of the Type-C and Type-A power supply chip U1 is connected to the other end of the resistor R16, the 46th pin of the Type-C and Type-A power supply chip U1 is connected to the 17th pin of the main control chip U5 through the resistor R60, the 47th pin of the Type-C and Type-A power supply chip U1 is connected to the 18th pin of the main control chip U5 through the resistor R62, and the 48th pin of the Type-C and Type-A power supply chip U1 is connected to the The 19th pin of the main control chip U5 is connected, the 62nd pin of the Type-C and Type-A power supply chip U1 is connected to the input end of the Type-C interface CN1 through the inductor L1, the 61st and 60th pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-C interface CN1 through the inductor L2, and the output end of the Type-C interface CN1 can be connected to a Type-C interface electronic device, the 54th and 51st pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-A interface CN3 through the inductor L4, and the 52nd and 53rd pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-A interface CN3 through the inductor L5, and the output end of the Type-A interface CN3 can be connected to a Type-A interface electronic device.

[0012] The present invention is further improved, the dual-channel DC output power supply circuit is provided with a voltage stabilizing chip U6, an inductor L13, a field effect transistor M26, a resistor R70, a field effect transistor M18, a resistor R78 and an inductor L8, wherein the voltage stabilizing chip U6 is provided with 13 pins, the first pin of the voltage stabilizing chip U6 is connected to one end of the inductor L13, the other end of the inductor L13 is connected to the drain of the field effect transistor M26, the source of the field effect transistor M26 is connected to the other end of the resistor R16, the gate of the field effect transistor M26 is connected to one end of the resistor R70, the other end of the resistor R70 is connected to the drain of the field effect transistor M18, the gate of the field effect transistor M18 is connected to the 33rd pin of the main control chip U5 through the resistor R78, the source of the field effect transistor M18 is grounded, the sixth pin of the voltage stabilizing chip U6 is connected to one end of the inductor L8, and the other end of the inductor L8 can output an 8V DC voltage source.

[0013] The present invention is further improved, the dual-channel DC output power supply circuit is further provided with a voltage stabilizing chip U7, an inductor L14, a field effect transistor M19, a resistor R92, a field effect transistor M20, a resistor R96 and an inductor L10, wherein the voltage stabilizing chip U7 is provided with 13 pins, the first pin of the voltage stabilizing chip U7 is connected to one end of the inductor L14, the other end of the inductor L14 is connected to the drain of the field effect transistor M19, the source of the field effect transistor M19 is connected to the resistor R16 The other end of the field effect transistor M19 is connected to the gate of the field effect transistor M19 and one end of the resistor R92, the other end of the resistor R92 is connected to the drain of the field effect transistor M20, the gate of the field effect transistor M20 is connected to the 32nd pin of the main control chip U5 through the resistor R96, the source of the field effect transistor M20 is grounded, the 6th pin of the voltage stabilizing chip U7 is connected to one end of the inductor L10, and the other end of the inductor L10 can output a 12V DC voltage source.

[0014] The present invention is further improved in that a capacitor C6 is provided in the BP / D-TAP power supply circuit, one end of the capacitor C6 is connected to the other end of the resistor R16 and the BP / D-TAP interface electronic device, and the other end of the capacitor C6 is grounded.

[0015] The present invention is further improved, and the charging protocol detection circuit is provided with a protocol detection chip U3, a protocol detection chip U4, a resistor R47 and a resistor R53, wherein the protocol detection chip U3 is provided with 5 pins, and the protocol detection chip U4 is provided with 5 pins, the first pin of the protocol detection chip U3 is connected to one end of the resistor R47, and the other end of the resistor R47 is connected to the other end of the resistor R16, and the fifth pin of the protocol detection chip U3 can output a 5V DC voltage source, the first pin of the protocol detection chip U4 is connected to one end of the resistor R53, and the other end of the resistor R53 is connected to the other end of the resistor R16, and the fifth pin of the protocol detection chip U4 can output a 3.3V DC voltage source.

[0016] The present invention is further improved, the model of the main control chip U5 is N32L406CBL7, the model of the power management chip U2 is SH366006, the model of the NP-F battery charging chip U8 is IP2363, the model of the Type-C and Type-A power supply chip U1 is IP5389, the model of the voltage stabilizing chip U6 is MP2491, the model of the voltage stabilizing chip U7 is MP2491, the model of the protocol detection chip U3 is ETA5020V50, the model of the protocol detection chip U4 is ETA5020V33, and the power supply is a rechargeable lead-acid battery or a rechargeable lithium-ion battery.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: a control circuit for a multifunctional V-mount battery is provided, and by arranging a power supply, a power management circuit, a multifunctional V-mount battery main control circuit, a Type-C and Type-A power supply circuit, a dual-channel DC output power supply circuit, a BP / D-TAP power supply circuit, an NP-F battery charging circuit and an OLED display screen that cooperate with each other in the control circuit of the multifunctional V-mount battery, the multifunctional V-mount battery main control circuit can control the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuits, and the BP / D-TAP power supply circuits to power peripheral electronic devices of the camera, while controlling the NP-F battery charging circuit to charge a spare NP-F battery, so that the multifunctional V-mount battery can charge a spare NP-F battery with insufficient power while powering the peripheral electronic devices of the camera, thereby greatly reducing the number of spare NP-F batteries that need to be carried when shooting in the wild, so that users no longer have to worry about the power of the camera, improving the user experience, and solving the problem in the prior art that it is very troublesome and the user experience is not good when the camera needs to carry a lot of spare NP-F batteries when shooting in the wild. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the present invention or the solutions in the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 It is a principle block diagram of a control circuit of a multifunctional V-mount battery of the present invention;

[0020] Figure 2 A circuit diagram of a multifunctional V-mount battery main control circuit of the present invention;

[0021] Figure 3 is a circuit diagram of a power management circuit of the present invention;

[0022] Figure 4 A circuit diagram of a NP-F battery charging circuit of the present invention;

[0023] Figure 5 A circuit diagram of the Type-C and Type-A power supply circuit of the present invention;

[0024] Figure 6 A circuit diagram of a dual-channel DC output power supply circuit of the present invention;

[0025] Figure 7 A circuit diagram of a BP / D-TAP power supply circuit of the present invention;

[0026] Figure 8 It is a circuit diagram of the charging protocol detection circuit of the present invention. DETAILED DESCRIPTION

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of the present invention or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0028] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present invention. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0029] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0030] like Figure 1-Figure 8As shown, a control circuit of a multifunctional V-mount battery provided by the present invention includes a power supply, a power management circuit, a multifunctional V-mount battery main control circuit, a Type-C and Type-A power supply circuit, a dual-channel DC output power supply circuit, a BP / D-TAP power supply circuit, an NP-F battery charging circuit and an OLED display screen, the power supply is connected to the power management circuit and the multifunctional V-mount battery main control circuit, the output end of the power management circuit is connected to the Type-C and Type-A power supply circuit, the dual-channel DC output power supply circuit, the BP / D-TAP power supply circuit, and the NP-F battery charging circuit, the output end of the multifunctional V-mount battery main control circuit is connected to the power management circuit, the Type-C and Type-A power supply circuit, the dual-channel DC output power supply circuit, the BP / D-TAP power supply circuit, and the NP-F battery charging circuit The power supply circuit and the NP-F battery charging circuit control connection, the output end of the multifunctional V-port battery main control circuit is also connected to the input end of the OLED display screen, the input end of the multifunctional V-port battery main control circuit is also connected to a control button, the output end of the power management circuit is also connected to a charging protocol detection circuit for detecting and supplementing the charging protocol of the charging line, the output end of the Type-C and Type-A power supply circuits can be connected to Type-C interface electronic devices and Type-A interface electronic devices, the output end of the NP-F battery charging circuit can be connected to a spare NP-F battery, the output end of the dual-channel DC output power supply circuit can output an 8V DC voltage source and a 12V DC voltage source, and the output end of the BP / D-TAP power supply circuit can be connected to a BP / D-TAP interface electronic device. In this embodiment, the multifunctional V-mount battery main control circuit can control the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuit, and the BP / D-TAP power supply circuit to power the peripheral electronic devices of the camera, while controlling the NP-F battery charging circuit to charge the spare NP-F battery. The multifunctional V-mount battery can charge the spare NP-F battery with insufficient power while powering the peripheral electronic devices of the camera, thereby greatly reducing the number of spare NP-F batteries that need to be carried when shooting in the wild, so that users no longer have to worry about the power of the camera, and improving the user experience; wherein, the power supply is a rechargeable lead-acid battery or a rechargeable lithium-ion battery.

[0031] like Figure 2As shown, the multifunctional V-port battery main control circuit is provided with a main control chip U5, a resistor R60, a resistor R62, a resistor R64, a resistor R67, a resistor R69, a resistor R71, a resistor R74 and a resistor R76, wherein the model of the main control chip U5 is N32L406CBL7, and the main control chip U5 is provided with 48 pins, the 1st and 9th pins of the main control chip U5 are connected to the power supply, the 21st pin of the main control chip U5 is connected to the input end of the power management circuit through the resistor R67, the 22nd pin of the main control chip U5 is connected to the input end of the power management circuit through the resistor R69, the 17th pin of the main control chip U5 is connected to the input end of the Type-C and Type-A power supply circuits through the resistor R60, and the 18th pin of the main control chip U5 is connected to the input end of the Type-C and Type-A power supply circuits through the resistor R60. Resistor R62 is connected to the input end of the Type-C and Type-A power supply circuits, pin 19 of the main control chip U5 is connected to the input end of the Type-C and Type-A power supply circuits through resistor R64, pin 42 of the main control chip U5 is connected to the input end of the OLED display screen through resistor R71, pin 43 of the main control chip U5 is connected to the input end of the OLED display screen through resistor R74, pin 41 of the main control chip U5 is connected to the input end of the OLED display screen through resistor R76, pins 20 and 27 of the main control chip U5 are connected to the input end of the NP-F battery charging circuit, pins 33 and 32 of the main control chip U5 are connected to the input end of the dual-channel DC output power supply circuit, and pin 5 of the main control chip U5 is connected to the control button. In this embodiment, the multifunctional V-mount battery main control circuit is used to control the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuit, and the BP / D-TAP power supply circuit to power the camera's peripheral electronic devices, while controlling the NP-F battery charging circuit to charge the spare NP-F battery, and can also transmit information for display on the OLED display.

[0032] like Figure 3As shown, the power management circuit is provided with a power management chip U2, a resistor R16, a field effect transistor M11, a field effect transistor M12, a resistor R43, a resistor R44, a resistor R23 and a resistor R40, wherein the model of the power management chip U2 is SH366006, and the power management chip U2 is provided with 40 pins, the 26th pin of the power management chip U2 is connected to one end of the resistor R16, and the other end of the resistor R16 is connected to the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuit, the BP / D-TAP power supply circuit, and the NP-F battery charging circuit power supply, and the 8th pin of the power management chip U2 is connected to one end of the resistor R43. The other end of the resistor R43 is connected to the source of the field effect tube M11, the drain of the field effect tube M11 is connected to one end of the resistor R23, the drain of the field effect tube M11 is also connected to the 22nd pin of the main control chip U5 through the resistor R69, the other end of the resistor R23 is connected to the power supply, the 9th pin of the power management chip U2 is connected to one end of the resistor R44, the other end of the resistor R44 is connected to the source of the field effect tube M12, the drain of the field effect tube M12 is connected to one end of the resistor R40, the drain of the field effect tube M12 is also connected to the 21st pin of the main control chip U5 through the resistor R67, and the other end of the resistor R40 is connected to the power supply. In this embodiment, the power management circuit is used to power the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuit, the BP / D-TAP power supply circuit, and the NP-F battery charging circuit according to the control information of the multi-function V-port battery main control circuit.

[0033] like Figure 4As shown, the NP-F battery charging circuit is provided with an NP-F battery charging chip U8, a resistor R56, a field effect transistor M16, a field effect transistor M17, a field effect transistor M28 and a resistor R125, wherein the model of the NP-F battery charging chip U8 is IP2363, and the NP-F battery charging chip U8 is provided with 40 pins, the first pin of the NP-F battery charging chip U8 is connected to the third pin of the NP-F battery charging chip U8 and the drain of the field effect transistor M17, the source of the field effect transistor M17 is connected to the other end of the resistor R16 and one end of the resistor R56, and the other end of the resistor R56 is connected to the field effect transistor The gate of M17 is connected to the drain of the field effect tube M16, the gate of the field effect tube M16 is connected to the 20th pin of the main control chip U5, the 18th pin of the NP-F battery charging chip U8 is connected to the 19th pin of the NP-F battery charging chip U8 and one end of the resistor R125, the 18th pin of the NP-F battery charging chip U8 can also be connected to the backup NP-F battery charging, the other end of the resistor R125 is connected to the gate of the field effect tube M28, the drain of the field effect tube M28 is connected to the 27th pin of the main control chip U5, and the source of the field effect tube M16 and the source of the field effect tube M28 are grounded. In this embodiment, the NP-F battery charging circuit is used to charge the backup NP-F battery according to the control information of the multi-functional V-port battery main control circuit.

[0034] like Figure 5As shown, the Type-C and Type-A power supply circuit is provided with a Type-C and Type-A power supply chip U1, an inductor L1, an inductor L2, an inductor L4, an inductor L5, a Type-C interface CN1 and a Type-A interface CN3, wherein the model of the Type-C and Type-A power supply chip U1 is IP5389, and the Type-C and Type-A power supply chip U1 has 64 pins, the 32nd pin of the Type-C and Type-A power supply chip U1 is connected to the other end of the resistor R16, the 46th pin of the Type-C and Type-A power supply chip U1 is connected to the 17th pin of the main control chip U5 through the resistor R60, the 47th pin of the Type-C and Type-A power supply chip U1 is connected to the 18th pin of the main control chip U5 through the resistor R62, and the Type-C and Type-A power supply chip U The 48th pin of 1 is connected to the 19th pin of the main control chip U5 through the resistor R64, the 62nd pin of the Type-C and Type-A power supply chip U1 is connected to the input end of the Type-C interface CN1 through the inductor L1, the 61st and 60th pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-C interface CN1 through the inductor L2, and the output end of the Type-C interface CN1 can be connected to the Type-C interface electronic device, the 54th and 51st pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-A interface CN3 through the inductor L4, and the 52nd and 53rd pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-A interface CN3 through the inductor L5, and the output end of the Type-A interface CN3 can be connected to the Type-A interface electronic device. In this embodiment, the Type-C and Type-A power supply circuit is used to power the Type-C interface electronic device and the Type-A interface electronic device according to the control information of the multi-function V-port battery main control circuit.

[0035] like Figure 6As shown, the dual-channel DC output power supply circuit is provided with a voltage stabilizing chip U6, an inductor L13, a field effect transistor M26, a resistor R70, a field effect transistor M18, a resistor R78 and an inductor L8, wherein the model of the voltage stabilizing chip U6 is MP2491, and the voltage stabilizing chip U6 is provided with 13 pins, the first pin of the voltage stabilizing chip U6 is connected to one end of the inductor L13, the other end of the inductor L13 is connected to the drain of the field effect transistor M26, the source of the field effect transistor M26 is connected to the other end of the resistor R16, the gate of the field effect transistor M26 is connected to one end of the resistor R70, the other end of the resistor R70 is connected to the drain of the field effect transistor M18, the gate of the field effect transistor M18 is connected to the 33rd pin of the main control chip U5 through the resistor R78, the source of the field effect transistor M18 is grounded, the sixth pin of the voltage stabilizing chip U6 is connected to one end of the inductor L8, and the other end of the inductor L8 can output an 8V DC voltage source; dual The DC output power supply circuit is also provided with a voltage stabilizing chip U7, an inductor L14, a field effect transistor M19, a resistor R92, a field effect transistor M20, a resistor R96 and an inductor L10, wherein the model of the voltage stabilizing chip U7 is MP2491, and the voltage stabilizing chip U7 is provided with 13 pins, the first pin of the voltage stabilizing chip U7 is connected to one end of the inductor L14, the other end of the inductor L14 is connected to the drain of the field effect transistor M19, the source of the field effect transistor M19 is connected to the other end of the resistor R16, the gate of the field effect transistor M19 is connected to one end of the resistor R92, the other end of the resistor R92 is connected to the drain of the field effect transistor M20, the gate of the field effect transistor M20 is connected to the 32nd pin of the main control chip U5 through the resistor R96, the source of the field effect transistor M20 is grounded, the 6th pin of the voltage stabilizing chip U7 is connected to one end of the inductor L10, and the other end of the inductor L10 can output a 12V DC voltage source. In this embodiment, the dual-channel DC output power supply circuit is used to output an 8V DC voltage source and a 12V DC voltage source according to control information of the multifunctional V-mount battery main control circuit.

[0036] like Figure 7 As shown, a capacitor C6 is provided in the BP / D-TAP power supply circuit, one end of the capacitor C6 is connected to the other end of the resistor R16 and the BP / D-TAP interface electronic device, and the other end of the capacitor C6 is grounded. In this embodiment, the BP / D-TAP power supply circuit is used to supply power to the BP / D-TAP interface electronic device according to the control information of the multi-function V-mount battery main control circuit.

[0037] like Figure 8As shown, the charging protocol detection circuit is provided with a protocol detection chip U3, a protocol detection chip U4, a resistor R47 and a resistor R53, wherein the model of the protocol detection chip U3 is ETA5020V50, the model of the protocol detection chip U4 is ETA5020V33, the protocol detection chip U3 is provided with 5 pins, the protocol detection chip U4 is provided with 5 pins, the first pin of the protocol detection chip U3 is connected to one end of the resistor R47, the other end of the resistor R47 is connected to the other end of the resistor R16, the fifth pin of the protocol detection chip U3 can output a 5V DC voltage source, the first pin of the protocol detection chip U4 is connected to one end of the resistor R53, the other end of the resistor R53 is connected to the other end of the resistor R16, and the fifth pin of the protocol detection chip U4 can output a 3.3V DC voltage source. In this embodiment, the charging protocol detection circuit is used to supplement the charging protocol for the charging line without a charging protocol, and output a 5V DC voltage source and a 3.3V DC voltage source.

[0038] As can be seen from the above, the present invention provides a control circuit for a multifunctional V-mount battery. By arranging a power supply, a power management circuit, a multifunctional V-mount battery main control circuit, a Type-C and Type-A power supply circuit, a dual-channel DC output power supply circuit, a BP / D-TAP power supply circuit, an NP-F battery charging circuit and an OLED display screen that cooperate with each other in the control circuit of the multifunctional V-mount battery, the multifunctional V-mount battery main control circuit can control the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuits, and the BP / D-TAP power supply circuits to power peripheral electronic devices of the camera while controlling the NP-F battery charging circuit to charge a spare NP-F battery. The multifunctional V-mount battery can charge a spare NP-F battery with insufficient power while powering the peripheral electronic devices of the camera, thereby greatly reducing the number of spare NP-F batteries that need to be carried when shooting in the wild, so that users no longer have to worry about the power of the camera, improving the user experience, and solving the problem in the prior art that it is very troublesome and the user experience is not good when the camera needs to carry a lot of spare NP-F batteries when shooting in the wild.

[0039] The specific implementation modes described above are preferred implementation modes of the present invention, and are not intended to limit the specific implementation scope of the present invention. The scope of the present invention includes but is not limited to the specific implementation modes, and all equivalent changes made according to the present invention are within the protection scope of the present invention.

Claims

1. A control circuit for a multifunctional V-mount battery, characterized in that: The invention comprises a power supply, a power management circuit, a multifunctional V-port battery main control circuit, a Type-C and Type-A power supply circuit, a dual-channel DC output power supply circuit, a BP / D-TAP power supply circuit, an NP-F battery charging circuit and an OLED display screen, wherein the power supply is connected to the power management circuit and the multifunctional V-port battery main control circuit for power supply, the output end of the power management circuit is connected to the Type-C and Type-A power supply circuit, the dual-channel DC output power supply circuit, the BP / D-TAP power supply circuit and the NP-F battery charging circuit for power supply, the output end of the multifunctional V-port battery main control circuit is connected to the power management circuit, the Type-C and Type-A power supply circuit, the dual-channel DC output power supply circuit and the NP-F battery charging circuit for control connection, the output end of the multifunctional V-port battery main control circuit is also connected to the input end of the OLED display screen, the multifunctional V The input end of the V-port battery main control circuit is also connected to a control button, the output end of the power management circuit is also connected to a charging protocol detection circuit for detecting and supplementing the charging protocol of the charging line, the output end of the Type-C and Type-A power supply circuit can be connected to a Type-C interface electronic device and a Type-A interface electronic device, the output end of the NP-F battery charging circuit can be connected to a spare NP-F battery, the output end of the dual-channel DC output power supply circuit can output an 8V DC voltage source and a 12V DC voltage source, the output end of the BP / D-TAP power supply circuit can be connected to a BP / D-TAP interface electronic device, and the multifunctional V-port battery main control circuit can control the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuit, and the BP / D-TAP power supply circuit to power the camera peripheral electronic devices while controlling the NP-F battery charging circuit to charge the spare NP-F battery.

2. The control circuit of the multifunctional V-mount battery according to claim 1, characterized in that: The multifunctional V-mount battery main control circuit is provided with a main control chip U5, a resistor R60, a resistor R62, a resistor R64, a resistor R67, a resistor R69, a resistor R71, a resistor R74 and a resistor R76, wherein the main control chip U5 is provided with 48 pins, the 1st and 9th pins of the main control chip U5 are connected to the power supply, the 21st pin of the main control chip U5 is connected to the input end of the power management circuit through the resistor R67, the 22nd pin of the main control chip U5 is connected to the input end of the power management circuit through the resistor R69, the 17th pin of the main control chip U5 is connected to the input end of the Type-C and Type-A power supply circuit through the resistor R60, and the 18th pin of the main control chip U5 is connected to the Type-C and Ty The input end of the Type-C and Type-A power supply circuit is connected, the 19th pin of the main control chip U5 is connected to the input end of the Type-C and Type-A power supply circuit through the resistor R64, the 42nd pin of the main control chip U5 is connected to the input end of the OLED display screen through the resistor R71, the 43rd pin of the main control chip U5 is connected to the input end of the OLED display screen through the resistor R74, the 41st pin of the main control chip U5 is connected to the input end of the OLED display screen through the resistor R76, the 20th and 27th pins of the main control chip U5 are connected to the input end of the NP-F battery charging circuit, the 33rd and 32nd pins of the main control chip U5 are connected to the input end of the dual-channel DC output power supply circuit, and the 5th pin of the main control chip U5 is connected to the control button.

3. The control circuit of the multifunctional V-mount battery according to claim 2, characterized in that: The power management circuit is provided with a power management chip U2, a resistor R16, a field effect transistor M11, a field effect transistor M12, a resistor R43, a resistor R44, a resistor R23 and a resistor R40, wherein the power management chip U2 is provided with 40 pins, the 26th pin of the power management chip U2 is connected to one end of the resistor R16, the other end of the resistor R16 is connected to the Type-C and Type-A power supply circuits, the dual-channel DC output power supply circuit, the BP / D-TAP power supply circuit, and the NP-F battery charging circuit, the 8th pin of the power management chip U2 is connected to one end of the resistor R43, the other end of the resistor R43 is connected to the field effect transistor The source of the field effect tube M11 is connected, the drain of the field effect tube M11 is connected to one end of the resistor R23, the drain of the field effect tube M11 is also connected to the 22nd pin of the main control chip U5 through the resistor R69, the other end of the resistor R23 is connected to the power supply, the 9th pin of the power management chip U2 is connected to one end of the resistor R44, the other end of the resistor R44 is connected to the source of the field effect tube M12, the drain of the field effect tube M12 is connected to one end of the resistor R40, the drain of the field effect tube M12 is also connected to the 21st pin of the main control chip U5 through the resistor R67, and the other end of the resistor R40 is connected to the power supply.

4. The control circuit of the multifunctional V-mount battery according to claim 3, characterized in that: The NP-F battery charging circuit is provided with an NP-F battery charging chip U8, a resistor R56, a field effect transistor M16, a field effect transistor M17, a field effect transistor M28 and a resistor R125, wherein the NP-F battery charging chip U8 is provided with 40 pins, the first pin of the NP-F battery charging chip U8 is connected to the third pin of the NP-F battery charging chip U8 and the drain of the field effect transistor M17, the source of the field effect transistor M17 is connected to the other end of the resistor R16 and one end of the resistor R56, the other end of the resistor R56 is connected to the gate of the field effect transistor M17 and the gate of the field effect transistor M16 The drain of the field effect tube M16 is connected to the 20th pin of the main control chip U5, the 18th pin of the NP-F battery charging chip U8 is connected to the 19th pin of the NP-F battery charging chip U8 and one end of the resistor R125, and the 18th pin of the NP-F battery charging chip U8 can also be connected to the backup NP-F battery charging, the other end of the resistor R125 is connected to the gate of the field effect tube M28, the drain of the field effect tube M28 is connected to the 27th pin of the main control chip U5, and the source of the field effect tube M16 and the source of the field effect tube M28 are grounded.

5. The control circuit of the multifunctional V-mount battery according to claim 4, characterized in that: The Type-C and Type-A power supply circuit is provided with a Type-C and Type-A power supply chip U1, an inductor L1, an inductor L2, an inductor L4, an inductor L5, a Type-C interface CN1 and a Type-A interface CN3, wherein the Type-C and Type-A power supply chip U1 is provided with 64 pins, the 32nd pin of the Type-C and Type-A power supply chip U1 is connected to the other end of the resistor R16, the 46th pin of the Type-C and Type-A power supply chip U1 is connected to the 17th pin of the main control chip U5 through the resistor R60, the 47th pin of the Type-C and Type-A power supply chip U1 is connected to the 18th pin of the main control chip U5 through the resistor R62, and the 48th pin of the Type-C and Type-A power supply chip U1 is connected to the main control chip U5 through the resistor R64. The 19th pin of the Type-C and Type-A power supply chip U5 is connected, the 62nd pin of the Type-C and Type-A power supply chip U1 is connected to the input end of the Type-C interface CN1 through the inductor L1, the 61st and 60th pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-C interface CN1 through the inductor L2, and the output end of the Type-C interface CN1 can be connected to a Type-C interface electronic device, the 54th and 51st pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-A interface CN3 through the inductor L4, and the 52nd and 53rd pins of the Type-C and Type-A power supply chip U1 are connected to the input end of the Type-A interface CN3 through the inductor L5, and the output end of the Type-A interface CN3 can be connected to a Type-A interface electronic device.

6. The control circuit of the multifunctional V-mount battery according to claim 5, characterized in that: The dual-channel DC output power supply circuit is provided with a voltage stabilizing chip U6, an inductor L13, a field effect transistor M26, a resistor R70, a field effect transistor M18, a resistor R78 and an inductor L8, wherein the voltage stabilizing chip U6 is provided with 13 pins, the first pin of the voltage stabilizing chip U6 is connected to one end of the inductor L13, the other end of the inductor L13 is connected to the drain of the field effect transistor M26, the source of the field effect transistor M26 is connected to the other end of the resistor R16, the gate of the field effect transistor M26 is connected to one end of the resistor R70, the other end of the resistor R70 is connected to the drain of the field effect transistor M18, the gate of the field effect transistor M18 is connected to the 33rd pin of the main control chip U5 through the resistor R78, the source of the field effect transistor M18 is grounded, the sixth pin of the voltage stabilizing chip U6 is connected to one end of the inductor L8, and the other end of the inductor L8 can output an 8V DC voltage source.

7. The control circuit of the multifunctional V-mount battery according to claim 6, characterized in that: The dual-channel DC output power supply circuit is also provided with a voltage stabilizing chip U7, an inductor L14, a field effect transistor M19, a resistor R92, a field effect transistor M20, a resistor R96 and an inductor L10, wherein the voltage stabilizing chip U7 is provided with 13 pins, the first pin of the voltage stabilizing chip U7 is connected to one end of the inductor L14, the other end of the inductor L14 is connected to the drain of the field effect transistor M19, the source of the field effect transistor M19 is connected to the other end of the resistor R16, the gate of the field effect transistor M19 is connected to one end of the resistor R92, the other end of the resistor R92 is connected to the drain of the field effect transistor M20, the gate of the field effect transistor M20 is connected to the 32nd pin of the main control chip U5 through the resistor R96, the source of the field effect transistor M20 is grounded, the sixth pin of the voltage stabilizing chip U7 is connected to one end of the inductor L10, and the other end of the inductor L10 can output a 12V DC voltage source.

8. The control circuit of the multifunctional V-mount battery according to claim 7, characterized in that: A capacitor C6 is provided in the BP / D-TAP power supply circuit, one end of the capacitor C6 is connected to the other end of the resistor R16 and the BP / D-TAP interface electronic device, and the other end of the capacitor C6 is grounded.

9. The control circuit of the multifunctional V-mount battery according to claim 8, characterized in that: The charging protocol detection circuit is provided with a protocol detection chip U3, a protocol detection chip U4, a resistor R47 and a resistor R53, wherein the protocol detection chip U3 is provided with 5 pins, and the protocol detection chip U4 is provided with 5 pins, the first pin of the protocol detection chip U3 is connected to one end of the resistor R47, and the other end of the resistor R47 is connected to the other end of the resistor R16, and the fifth pin of the protocol detection chip U3 can output a 5V DC voltage source, the first pin of the protocol detection chip U4 is connected to one end of the resistor R53, and the other end of the resistor R53 is connected to the other end of the resistor R16, and the fifth pin of the protocol detection chip U4 can output a 3.3V DC voltage source.

10. The control circuit of the multifunctional V-mount battery according to claim 9, characterized in that: The model of the main control chip U5 is N32L406CBL7, the model of the power management chip U2 is SH366006, the model of the NP-F battery charging chip U8 is IP2363, the model of the Type-C and Type-A power supply chip U1 is IP5389, the model of the voltage regulator chip U6 is MP2491, the model of the voltage regulator chip U7 is MP2491, the model of the protocol detection chip U3 is ETA5020V50, the model of the protocol detection chip U4 is ETA5020V33, and the power supply is a rechargeable lead-acid battery or a rechargeable lithium-ion battery.

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