A Type C circuit with adjustable voltage and a Type C interface device

Abstract

The utility model belongs to the technical field of Type C interface, specifically a Type C circuit with adjustable voltage and a Type C interface device, wherein the Type C plug part circuit comprises a power taking chip, an MCU2 chip, an LDO auxiliary power supply chip, a LEMO connector, a Fisher connector, a second Vbus+ terminal, a second CC1 terminal, a second CC2 terminal, a second DP terminal, a second DM terminal, a second contact rod, a second PACK+ terminal, a second Vbus-terminal, and a second PACK-terminal, wherein a positive terminal of the LEMO connector is connected to a positive terminal of the Fisher connector and is connected in series with the second Vbus+ terminal and the second PACK+ terminal, a negative terminal of the LEMO connector is connected to a negative terminal of the Fisher connector and is connected in series with the second Vbus-terminal and the second PACK-terminal, a MOS tube Q2 is connected in series between the second PACK+ terminal and the MCU2 chip, an LDO auxiliary power supply module is connected in parallel with the second Vbus+ terminal and the second PACK+ terminal, the LDO auxiliary power supply module is connected to the MCU2 chip, the power taking chip is connected between the LDO auxiliary power supply module and the MCU2 chip, and a K2 switch is connected to the MCU2 chip.

Description

Technical Field

[0001] The utility model belongs to the technical field of Type C interfaces, and in particular relates to a Type C circuit capable of adjusting voltage and a Type C interface device. Background Art

[0002] As a new generation of USB interface, Type C interface has faster transmission speed, smaller size and wider application, and has become the first choice of more and more devices and manufacturers. Therefore, the application environment of Type C interface devices is becoming more and more complex, and safety and reliability are becoming more and more important. At present, more and more photography and videography are done outdoors. Photography and videography devices with Type C interface need to prevent the plug from loosening or falling off during work. The existing technology is to use screws to fasten the plug and the socket. Although this can solve the problem of the plug being loose and easy to fall off, this fastening method is time-consuming and labor-intensive during use, which is very inconvenient. Utility Model Content

[0003] In view of the deficiencies in the prior art, the purpose of the present invention is to provide a Type C circuit with adjustable voltage and a Type C interface device, which solve the above-mentioned technical problems.

[0004] The solution adopted by the utility model is: a Type C circuit with adjustable voltage, including a battery circuit, a socket circuit, and a Type C plug circuit, characterized in that:

[0005] The battery circuit includes a battery, a Type C protocol chip, and an MCU1 chip, wherein the positive end of the battery is connected in series with a MOS tube Q1 and a MOS tube Q2, a resistor L1 is connected in series between the MOS tube Q1 and the MOS tube Q2, the Type C protocol chip is connected in parallel between the MOS tube Q1 and the MOS tube Q2, the Type C protocol chip is connected in series with the MCU1 chip, and the MCU1 chip is connected in parallel to the connection line between the MOS tube Q1 and the MOS tube Q2 and the Type C protocol chip;

[0006] The female socket circuit includes a first Vbus+ terminal, a first CC1 terminal, a first CC2 terminal, a first DP terminal, a first DM terminal, a first contact rod, a first PACK+ terminal, a first Vbus- terminal, and a first PACK- terminal, wherein the first Vbus+ terminal is connected in series with the MOS tube Q2, and the first CC1 terminal, the first CC2 terminal, the first DP terminal, and the first DM terminal are respectively connected to the Type C protocol chip; the contact rod is connected to the MCU1 chip, and a travel switch K1 is connected in series between the contact rod and the MCU1 chip connection line, the first PACK+ terminal is connected between the positive terminal of the battery and the MOS tube Q1, and the first Vbus- terminal and the first PACK- terminal are both connected to the negative terminal of the battery.

[0007] The Type C plug circuit includes a power-taking chip, an MCU2 chip, an LDO auxiliary power supply chip, a LEMO connector, a Fisher connector, a second Vbus+ terminal, a second CC1 terminal, a second CC2 terminal, a second DP terminal, a second DM terminal, a second contact rod, a second PACK+ terminal, a second Vbus- terminal, and a second PACK- terminal, wherein the positive terminal of the LEMO connector is connected to the positive terminal of the Fisher connector, and is connected in series with the second Vbus+ terminal and the second PACK+ terminal, the negative terminal of the LEMO connector is connected to the negative terminal of the Fisher connector, and is connected to the second Vbus- terminal and the second PACK- terminal, and a Mos tube Q2 is connected in series between the second PACK+ terminal and the MCU2 chip; the power-taking chip is respectively connected to the second CC1 terminal, the second CC2 terminal, the second DP terminal, and the second DM terminal, the second Vbus+ terminal and the second PACK+ terminal are connected in parallel with an LDO auxiliary power supply module, the LDO auxiliary power supply module is connected to the MCU2 chip, the LDO auxiliary power supply module and the MCU2 chip are connected to the power-taking chip, and the MCU2 chip is connected to a K2 switch.

[0008] Preferably, one end of the MCU1 chip in the battery circuit is connected to an overload prompt module.

[0009] Preferably, a first rectifier diode D1 is connected in series between the second Vbus+ terminal and the LDO auxiliary power supply module in the Type C plug circuit, and a second rectifier diode D2 is connected in series between the second Vbus+ terminal and the LDO auxiliary power supply module.

[0010] Preferably, one end of the MCU2 chip in the Type C plug circuit is connected to an overload prompt module.

[0011] Preferably, an output voltage display module is provided at one end of the MCU2 chip in the Type C plug circuit.

[0012] Preferably, a Type C interface device of a Type C circuit with adjustable voltage comprises a Type C female socket and a Type C plug, characterized in that the Type C female socket is provided with a female socket inner ring and a female socket outer ring, the female socket outer ring is provided with a plastic protrusion, the Type C plug is provided with a plug inner ring and a plug outer ring matching with the female socket inner ring and the female socket outer ring, the plug outer ring is provided with a card slot corresponding to the plastic protrusion, and a LEMO connector cable and a Fisher connector cable are provided at the rear end of the plug.

[0013] Preferably, the outer ring of the female socket is provided with diagonal slots, and the outer ring of the plug is provided with diagonal blocks corresponding to the diagonal slots.

[0014] Preferably, the Type C plug is provided with a voltage display light.

[0015] The Type C interface of the utility model can be a double-circle method or a half-circle method. The outer ring of the plug is embedded in the outer ring of the female socket. The two outer rings are tightly attached to play a fastening role. The double ribs of the plug diagonally are embedded in the semicircular groove of the female socket, thereby ensuring that the plug is not easy to twist and plays a positioning and fastening role. The protrusion of the outer ring of the female socket is embedded in the card groove of the outer ring of the socket and also plays a fastening role. In this way, the plug will not be easy to loosen or fall after being inserted into the female socket. The user avoids the problem of sudden power failure of the working device when using it, reducing the user's use risk. In addition, the interface method can be elliptical or rectangular in shape to meet the appearance requirements of different users;

[0016] Users can select different output voltages according to the different connectors at the output end of the plug, so that the Type C input can meet the power supply requirements of electrical devices with different interfaces and voltages;

[0017] The utility model can provide high current power supply according to the user's choice to meet the user's power supply needs, and can provide Type C backup power supply after Type C overload protection;

[0018] The Type C interface of the utility model has an overload prompt, which is convenient for users to observe;

[0019] The Type C of the utility model can sleep when there is no plug, which reduces the power consumption of the battery and improves the battery life;

[0020] Compared with the prior art, the Type C interface of the utility model is not easy to loosen or fall off during use; it can meet the power supply requirements of electrical equipment with different interfaces and different voltages; it solves the problem of Type C maximum current limitation and no backup power supply after protection; it can realize Type C output overload prompt; and it solves the problem of excessive static power consumption of Type C. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is an electrical schematic diagram of the battery circuit and the mother socket circuit of the utility model.

[0022] Figure 2 It is an electrical schematic diagram of the Type C plug part of the utility model.

[0023] Figure 3 This is a schematic diagram of an electrical appliance used in conjunction with the utility model.

[0024] Figure 4 It is a three-dimensional diagram of the Type C female socket of the utility model.

[0025] Figure 5 It is a three-dimensional diagram of the Type C plug of the present invention.

[0026] Figure 6 It is a schematic diagram of the structure of the female seat with a square outer ring and a circular outer ring of the utility model.

[0027] Figure 7 It is a schematic diagram of the half-circle structure of the female seat of the utility model.

[0028] Figure 8 It is a schematic diagram of the structure of the contact mode between the plug and the female socket pinhole of the utility model.

[0029] Figure numerals: 1. Type C female socket; 2. Type C plug; 3. Inner ring of female socket; 4. Outer ring of female socket; 5. Plastic protrusion; 6. Inner ring of plug; 7. Outer ring of plug; 8. Card slot; 9. LEMO connector cable; 10. Fisher connector cable; 11. Diagonal card slot; 12. Diagonal card block; 13. Voltage display light. DETAILED DESCRIPTION

[0030] The above and other technical contents, features and functions of the present invention are described in detail below with reference to the attached Figure 1-8 The detailed description of the embodiments will clearly show that the structural contents mentioned in the following embodiments are all based on the drawings in the specification.

[0031] Various exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

[0032] Embodiment 1, refer to the attached Figure 1 , 2 , a Type C circuit with adjustable voltage, including a battery circuit, a socket circuit, and a Type C plug circuit, characterized in that:

[0033] The battery circuit includes a battery, a Type C protocol chip, and an MCU1 chip, wherein the positive end of the battery is connected in series with a MOS tube Q1 and a MOS tube Q2, a resistor L1 is connected in series between the MOS tube Q1 and the MOS tube Q2, the Type C protocol chip is connected in parallel between the MOS tube Q1 and the MOS tube Q2, the Type C protocol chip is connected in series with the MCU1 chip, and the MCU1 chip is connected in parallel to the connection line between the MOS tube Q1 and the MOS tube Q2 and the Type C protocol chip;

[0034] The female socket circuit includes a first Vbus+ terminal, a first CC1 terminal, a first CC2 terminal, a first DP terminal, a first DM terminal, a first contact rod, a first PACK+ terminal, a first Vbus- terminal, and a first PACK- terminal, wherein the first Vbus+ terminal is connected in series with the MOS tube Q2, and the first CC1 terminal, the first CC2 terminal, the first DP terminal, and the first DM terminal are respectively connected to the Type C protocol chip; the contact rod is connected to the MCU1 chip, and a travel switch K1 is connected in series between the contact rod and the MCU1 chip connection line, the first PACK+ terminal is connected between the positive terminal of the battery and the MOS tube Q1, and the first Vbus- terminal and the first PACK- terminal are both connected to the negative terminal of the battery.

[0035] The Type C plug circuit includes a power chip, an MCU2 chip, an LDO auxiliary power supply chip, a LEMO connector, a Fisher connector, a second Vbus+ terminal, a second CC1 terminal, a second CC2 terminal, a second DP terminal, a second DM terminal, a second contact rod, a second PACK+ terminal, a second Vbus- terminal, and a second PACK- terminal, wherein the positive terminal of the LEMO connector is connected to the positive terminal of the Fisher connector and is connected in series with the second Vbus+ terminal and the second PACK+ terminal, and the negative terminal of the LEMO connector is connected to the negative terminal of the Fisher connector and is connected in series with the second Vbus- terminal and the first The second PACK-end is connected, and a Mos tube Q2 is connected in series between the second PACK+ end and the MCU2 chip; the power-taking chip is respectively connected to the second CC1 end, the second CC2 end, the second DP end, and the second DM end, and the second Vbus+ end and the second PACK+ end are connected in parallel with an LDO auxiliary power supply module, the LDO auxiliary power supply module is connected to the MCU2 chip, and the LDO auxiliary power supply module and the MCU2 chip are connected to the power-taking chip, and the MCU2 chip is connected with a K2 switch; one end of the MCU1 chip in the battery part circuit is connected to an overload prompt module, a first rectifier diode D1 is connected in series between the second Vbus+ end and the LDO auxiliary power supply module in the Type C plug part circuit, and a second rectifier diode D2 is connected in series between the second Vbus+ end and the LDO auxiliary power supply module; one end of the MCU2 chip in the Type C plug part circuit is connected to an overload prompt module; one end of the MCU2 chip in the Type C plug part circuit has an output voltage display module.

[0036] When in use, the Type C interface can realize Type C input to meet the power supply requirements of electrical devices with different interfaces and different voltages. In the photography and video industry, the power supply requirements of LEMO connectors are generally 11V-17V, and the power supply requirements of Fisher connectors are generally high voltage 28V. When the user connects the LEMO connector or Fisher connector to the output end of the Type C plug, the user can adjust the K2 button in the plug to select the voltage value. Press K2 for 3S to enter the output voltage selection mode. Each press selects a voltage level. The plug will display the corresponding output voltage, and the voltage levels are 5V / 15V / 20V / 28V respectively.

[0037] At present, the power supply requirements of some photographic and video equipment are greater than 5A, so the conventional Type C output power supply capacity cannot meet the user's use. The power supply range of cameras and equipment is generally 11V-17V, and the power supply of batteries on the market is also 11V-17V. Therefore, when the user selects the 15V gear, the communication between the plug and the socket, the battery Type C protocol chip of the socket is disabled, and MCU1 directly controls MOS tubes Q1 and Q2 to pass through. At this time, MCU2 in the plug controls MOS tube Q3 to turn on and off. After the plug is inserted into the socket, the contact piece 1 in the plug and the battery positive electrode PACK+ of the contact piece 1 in the socket are in contact, and the contact piece 2 in the plug and the battery negative electrode PACK- of the contact piece 2 in the socket are in contact. Therefore, the battery supplies power to the device through the Type C port and the spring, which can meet the user's high current power supply needs. When the user selects the 5V / 20V / 28V gear according to the output connector, MCU1 controls the Type C protocol chip to enable, and MCU2 controls the MOS tube Q3 to turn off and on. At this time, the power supply of the connector comes from the conventional output power supply of Type C;

[0038] When the device connected to the Type C plug output connector is overloaded, the Type C protocol chip is protected, MOS tubes Q1 and Q2 are turned off, the VBUS of the female socket has no output, and the female socket has an overload prompt. At this time, the battery will continue to provide auxiliary power to the MCU2 of the plug through the contact piece, and the plug will also have an overload prompt. Users can judge whether the Type C is overloaded by the overload prompt of the female socket or the plug;

[0039] In order to reduce battery power consumption, the socket enters a sleep state when it detects that no plug is inserted. When the plug is inserted into the socket at the battery end, the contact surface of the plug contacts and squeezes the contact rod in the socket. At this time, the contact rod presses the travel switch K1. After the travel switch K1 is closed, MCU1 detects the signal and activates the Type C protocol chip. The VBUS of Type C can be output normally. In addition, the signal of the travel switch K1 can also be used as a signal to indicate whether the plug is inserted properly. If the detected signal is incorrect, the access mark will not be displayed on the socket.

[0040] Embodiment 2, refer to the attached Figure 3 , 4A Type C interface device of a Type C circuit with adjustable voltage comprises a Type C female socket 1 and a Type C plug 2, wherein the Type C female socket 1 is provided with a female socket inner ring 3 and a female socket outer ring 4, the female socket outer ring 4 is provided with a plastic protrusion 5, the Type C plug 2 is provided with a plug inner ring 6 and a plug outer ring 7 which cooperate with the female socket inner ring 3 and the female socket outer ring 4, the plug outer ring 7 is provided with a card slot 8 corresponding to the plastic protrusion, and a LEMO connector cable 9 and a Fisher connector cable 10 are provided at the rear end of the plug; the female socket outer ring 4 is provided with a diagonal card slot 11, and the plug outer ring 7 is provided with a diagonal card block 12 corresponding to the diagonal card slot 11; the Type C plug 2 is provided with a voltage display light 13.

[0041] When in use, the Type C socket 1 and the Type C plug 2 are inserted together, and the plastic protrusion 5 is inserted into the card slot 8, so that the Type C socket 1 and the Type C plug 2 are locked to prevent separation. Under the action of the diagonal card slot 11 and the diagonal card block 12, the plug is not easy to twist, which plays a fastening role and a positioning role;

[0042] The outer ring 4 of the female socket can be circular or rectangular; the outer ring 7 of the plug can be circular or rectangular.

[0043] The above description is only for illustrating the present invention, and it should be understood that the present invention is not limited to the above embodiments, and various variations that conform to the concept of the present invention are within the protection scope of the present invention.

Claims

1. A Type C circuit with adjustable voltage, comprising a battery circuit, a socket circuit, and a Type C plug circuit, characterized in that: The battery circuit includes a battery, a Type C protocol chip, and an MCU1 chip, wherein the positive end of the battery is connected in series with a MOS tube Q1 and a MOS tube Q2, a resistor L1 is connected in series between the MOS tube Q1 and the MOS tube Q2, the Type C protocol chip is connected in parallel between the MOS tube Q1 and the MOS tube Q2, the Type C protocol chip is connected in series with the MCU1 chip, and the MCU1 chip is connected in parallel to the connection line between the MOS tube Q1 and the MOS tube Q2 and the Type C protocol chip; The female socket circuit includes a first Vbus+ terminal, a first CC1 terminal, a first CC2 terminal, a first DP terminal, a first DM terminal, a first contact rod, a first PACK+ terminal, a first Vbus- terminal, and a first PACK- terminal, wherein the first Vbus+ terminal is connected in series with the MOS tube Q2, and the first CC1 terminal, the first CC2 terminal, the first DP terminal, and the first DM terminal are respectively connected to the Type C protocol chip; the contact rod is connected to the MCU1 chip, and a travel switch K1 is connected in series between the contact rod and the MCU1 chip connection line, the first PACK+ terminal is connected between the positive terminal of the battery and the MOS tube Q1, and the first Vbus- terminal and the first PACK- terminal are both connected to the negative terminal of the battery.

2. The voltage-adjustable Type C circuit according to claim 1, characterized in that: The Type C plug circuit includes a power chip, an MCU2 chip, an LDO auxiliary power supply chip, a LEMO connector, a Fisher connector, a second Vbus+ terminal, a second CC1 terminal, a second CC2 terminal, a second DP terminal, a second DM terminal, a second contact rod, a second PACK+ terminal, a second Vbus- terminal, and a second PACK- terminal, wherein the positive terminal of the LEMO connector is connected to the positive terminal of the Fisher connector, and is connected in series with the second Vbus+ terminal and the second PACK+ terminal, the negative terminal of the LEMO connector is connected to the negative terminal of the Fisher connector, and is connected to the second Vbus- terminal and the second PACK- terminal, and a Mos tube Q2 is connected in series between the second PACK+ terminal and the MCU2 chip; the power chip is respectively connected to the second CC1 terminal, the second CC2 terminal, the second DP terminal, and the second DM terminal, the second Vbus+ terminal and the second PACK+ terminal are connected in parallel with an LDO auxiliary power supply module, the LDO auxiliary power supply module is connected to the MCU2 chip, the LDO auxiliary power supply module and the MCU2 chip are connected to the power chip, and the MCU2 chip is connected to a K2 switch.

3. The voltage-adjustable Type C circuit according to claim 1, characterized in that: One end of the MCU1 chip in the battery circuit is connected to an overload prompt module.

4. The voltage-adjustable Type C circuit according to claim 2, characterized in that: A first rectifier diode D1 is connected in series between the second Vbus+ terminal and the LDO auxiliary power supply module in the Type C plug circuit, and a second rectifier diode D2 is connected in series between the second Vbus+ terminal and the LDO auxiliary power supply module.

5. The voltage-adjustable Type C circuit according to claim 3, characterized in that: One end of the MCU2 chip in the Type C plug circuit is connected to an overload prompt module.

6. The voltage-adjustable Type C circuit according to claim 4, characterized in that: In the Type C plug circuit, one end of the MCU2 chip has an output voltage display module.

7. A Type C interface device using the voltage-adjustable Type C circuit according to claim 1, comprising a Type C female socket (1) and a Type C plug (2), characterized in that: The Type C female socket (1) is provided with a female socket inner ring (3) and a female socket outer ring (4), the female socket outer ring (4) is provided with a plastic protrusion (5), the Type C plug (2) is provided with a plug inner ring (6) and a plug outer ring (7) that match the female socket inner ring (3) and the female socket outer ring (4), the plug outer ring (7) is provided with a slot (8) corresponding to the plastic protrusion, and the rear end of the plug is provided with a LEMO connector cable 9 and a Fisher connector cable (10).

8. The Type C interface device of the Type C circuit with adjustable voltage according to claim 7, characterized in that: The outer ring (4) of the female socket is provided with a diagonal card slot (11), and the outer ring (7) of the plug is provided with a diagonal card block (12) corresponding to the diagonal card slot (11).

9. The Type C interface device of the Type C circuit with adjustable voltage according to claim 8, characterized in that: The Type C plug (2) is provided with a voltage display light (13).

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