CN-224204809-U - Emergency external output device
Abstract
The utility model discloses an emergency external output device, which relates to the field of power conversion and comprises an output switch circuit, an input detection circuit, an output detection circuit and a main control circuit, wherein the output switch circuit is used for receiving control of a main control circuit and converting input voltage and current into output voltage and current with adjustable sizes, the input detection circuit is used for detecting the input voltage and current and outputting the input voltage and current to the main control circuit, the output detection circuit is used for detecting the output voltage and current and outputting the output voltage and current to the main control circuit, and the main control circuit is used for assisting in adjusting the output switch circuit based on the input output voltage and current to obtain required output voltage and current.
Inventors
- KAN DETAO
Assignees
- 湖南纽思曼存储科技有限公司
Dates
- Publication Date
- 20260505
- Application Date
- 20250408
Claims (4)
- 1. An emergency external output device, characterized in that the emergency external output device comprises: The output switch circuit is used for receiving the control of the main control circuit and converting the input voltage and current into output voltage and current with adjustable magnitudes; the input detection circuit is used for detecting input voltage and current and outputting the input voltage and current to the main control circuit; The output detection circuit is used for detecting output voltage and current and outputting the output voltage and current to the main control circuit; The main control circuit is used for assisting in adjusting the output switch circuit based on the input and output voltage and current to obtain the required output voltage and current; The input detection circuit is connected with the main control module, the output detection circuit is connected with the main control circuit, and the main control circuit is connected with the output switch circuit; The output switch circuit comprises an MOS tube M1, an MOS tube M2, an MOS tube M3, an MOS tube M4, an MOS tube M5 and an inductor L1, wherein one end of the MOS tube L1 is connected with the S pole of the MOS tube M3 and the D pole of the MOS tube M5, the S pole of the MOS tube M5 is grounded, the G pole of the MOS tube M5 is connected with the main control circuit through a resistor R8, the G pole of the MOS tube M3 is connected with the main control circuit through a resistor R4, the D pole of the MOS tube M3 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with the positive pole of the output end of the input board, and the negative pole of the output end of the input board is grounded; The other end of the inductor L1 is connected with the S pole of the MOS tube M2 and the D pole of the MOS tube M4, the S pole of the MOS tube M4 is grounded, the G pole of the MOS tube M4 is connected with the main control circuit through a resistor R5, the G pole of the MOS tube M2 is connected with the main control circuit through a resistor R3, the D pole of the MOS tube M2 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with the D pole of the MOS tube M1, the G pole of the MOS tube M1 is connected with the main control circuit, the S pole of the MOS tube M1 is connected with the positive pole of the input end of the output plate, and the negative pole of the input end of the output plate is grounded; The input detection circuit comprises a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a capacitor C14 and a capacitor C15, wherein one end of the resistor R17 is connected with one end of the resistor R19 and an input interface, the other end of the resistor R17 is connected with one end of the resistor R18, one end of the resistor R20 and the positive electrode of the input end of the input board, the negative electrode of the input end of the input board is grounded, the other end of the resistor R18 is connected with one end of the capacitor C14 and a master control circuit, the other end of the resistor R19 is connected with the other end of the capacitor C14 and the master control circuit, the other end of the resistor R20 is connected with one end of the resistor R21, one end of the capacitor C15 and the master control circuit, the other end of the resistor R21 is grounded, and the other end of the capacitor C15 is grounded.
- 2. The emergency external output device according to claim 1, wherein the output detection circuit comprises a resistor R9, a resistor R11, a resistor R12, a resistor R15, a resistor R16, a resistor R11 and a capacitor C13, one end of the resistor R9 is connected with one end of the resistor R12 and the output interface, the other end of the resistor R9 is connected with one end of the resistor R11, one end of the resistor R15 and the positive electrode of the output end of the output board, the negative electrode of the output end of the output board is grounded, the other end of the resistor R11 is connected with one end of the capacitor C11 and the master control circuit, the other end of the resistor R12 is connected with the other end of the capacitor C11 and the master control circuit, the other end of the resistor R15 is connected with one end of the resistor R16, one end of the capacitor C13 and the master control circuit, the other end of the resistor R16 is grounded, and the other end of the capacitor C13 is grounded.
- 3. The emergency external output device according to claim 1 or 2, further comprising a display module for receiving the signal of the main control circuit, displaying the input/output voltage and current, and the display module is connected to the main control circuit.
- 4. The emergency external output device according to claim 1 or 2, further comprising a key module for adjusting an operation state of the main control circuit by a key, wherein the key module is connected to the main control circuit.
Description
Emergency external output device Technical Field The utility model relates to the field of power supply conversion, in particular to an emergency external output device. Background Most of the current automobile emergency starting power supply products on the market are only provided with 1-2 USB-A interfaces, the highest output power is concentrated within 18W, and the design is difficult to meet the diversified power supply requirements of modern vehicle-mounted equipment. For example, when high-power devices such as a vehicle-mounted refrigerator (more than 45W is needed) and an unmanned aerial vehicle (100W PD protocol is needed) are simultaneously powered, the existing power specification cannot be adapted. Therefore, the current automobile emergency starting power supply on the market has low output power and needs improvement. Disclosure of utility model The utility model aims to provide an emergency external output device so as to solve the problems in the background technology. In order to achieve the above purpose, the present utility model provides the following technical solutions: An emergency external output device, comprising: The output switch circuit is used for receiving the control of the main control circuit and converting the input voltage and current into output voltage and current with adjustable magnitudes; the input detection circuit is used for detecting input voltage and current and outputting the input voltage and current to the main control circuit; The output detection circuit is used for detecting output voltage and current and outputting the output voltage and current to the main control circuit; The main control circuit is used for assisting in adjusting the output switch circuit based on the input and output voltage and current to obtain the required output voltage and current; The input detection circuit is connected with the main control module, the output detection circuit is connected with the main control circuit, and the main control circuit is connected with the output switch circuit. As a still further scheme of the utility model, the output switch circuit comprises a MOS tube M1, a MOS tube M2, a MOS tube M3, a MOS tube M4, a MOS tube M5 and an inductor L1, wherein one end of the MOS tube L1 is connected with the S pole of the MOS tube M3 and the D pole of the MOS tube M5, the S pole of the MOS tube M5 is grounded, the G pole of the MOS tube M5 is connected with the main control circuit through a resistor R8, the G pole of the MOS tube M3 is connected with the main control circuit through a resistor R4, the D pole of the MOS tube M3 is connected with one end of a resistor R2, the other end of the resistor R2 is connected with the positive pole of the output end of the input board, and the negative pole of the output end of the input board is grounded; The other end of the inductor L1 is connected with the S pole of the MOS tube M2 and the D pole of the MOS tube M4, the S pole of the MOS tube M4 is grounded, the G pole of the MOS tube M4 is connected with the main control circuit through a resistor R5, the G pole of the MOS tube M2 is connected with the main control circuit through a resistor R3, the D pole of the MOS tube M2 is connected with one end of a resistor R1, the other end of the resistor R1 is connected with the D pole of the MOS tube M1, the G pole of the MOS tube M1 is connected with the main control circuit, the S pole of the MOS tube M1 is connected with the positive pole of the input end of the output plate, and the negative pole of the input end of the output plate is grounded. As a still further scheme of the utility model, the input detection circuit comprises a resistor R17, a resistor R18, a resistor R19, a resistor R20, a resistor R21, a capacitor C14 and a capacitor C15, wherein one end of the resistor R17 is connected with one end of the resistor R19 and an input interface, the other end of the resistor R17 is connected with one end of the resistor R18, one end of the resistor R20 and the positive electrode of the input end of the input board, the negative electrode of the input end of the input board is grounded, the other end of the resistor R18 is connected with one end of the capacitor C14 and a master control circuit, the other end of the resistor R19 is connected with the other end of the capacitor C14 and the master control circuit, the other end of the resistor R20 is connected with one end of the resistor R21, one end of the capacitor C15 and the master control circuit, the other end of the resistor R21 is grounded, and the other end of the capacitor C15 is grounded. As a still further scheme of the utility model, the output detection circuit comprises a resistor R9, a resistor R11, a resistor R12, a resistor R15, a resistor R16, a capacitor C11 and a capacitor C13, wherein one end of the resistor R9 is connected with one end of the resistor R12 and the output interface, the other end of the resistor R9 is connected with one end of t