Time sequence power supply circuit applied to system cabinet

Abstract

The utility model discloses a time sequence power supply circuit applied to a system cabinet, which comprises an integrated circuit U9, one end of the integrated circuit U9 is connected in parallel with a resistor R66, one end of the connection part of the integrated circuit U9 and the resistor R66 is connected with a resistor R64, the other end of the connection part of the integrated circuit U9 and the resistor R66 is connected with a capacitor C37 and a resistor R67, the other end of the resistor R67 is connected with a capacitor C38, and the capacitor C38 is connected with a resistor R66. The surface of the resistor R67 is connected with a transistor U10, one end of the transistor U10 is connected with a resistor R69 and a resistor R68, and one end of the capacitor C38, one end of the capacitor C37 and one end of the resistor R68 are all connected with one end of the resistor R65. The time sequence starting function is controlled by designing the starting time of each independent switching power supply, stable power supply output is provided for equipment, the influence of power supply fluctuation and interference on the equipment is avoided, and the service life of a system cabinet is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to system cabinet technical field, concretely is a time sequence power supply circuit applied to system cabinet. BACKGROUND

[0002] The system cabinet can effectively protect the equipment from external interference and influence, prevent water, gas, dust and other external pollutants from entering, and prevent the equipment from being stolen and damaged by unauthorized personnel. The cabinet can integrate various devices in the same cabinet in an orderly manner, facilitating operation, maintenance and management of the operator, reducing the workload and complexity of maintenance. High-performance computer equipment generates a large amount of heat during operation. The heat dissipation system inside the cabinet can effectively regulate the temperature to ensure normal operation of the equipment and avoid overheating that can damage the equipment. The cabinet is usually made of cold-rolled steel or alloy material, which can resist the erosion of environmental factors such as dust and moisture, and effectively shield electromagnetic interference through metal structure to ensure stable transmission of signals between devices. The cabinet is equipped with a safety lock to effectively prevent unauthorized access and protect the safety of the equipment.

[0003] However, the traditional system cabinet has the following disadvantages when in use:

[0004] When multiple electronic devices are started at the same time, the traditional system cabinet may generate a large instantaneous current and surge current, which can cause damage to the power grid and other connected devices of the system cabinet, affecting the normal use of the system cabinet. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a time sequence power supply circuit applied to system cabinet, to solve the problem of the traditional system cabinet being damaged by current impact when multiple electronic devices are started at the same time, which can generate a large instantaneous current and surge current, affecting the normal use of the system cabinet.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a time sequence power supply circuit applied to system cabinet, integrated circuit U9 has resistance R66 in parallel in one end of integrated circuit U9, one end of integrated circuit U9 and resistance R66 junction has resistance R64, the other end of integrated circuit U9 and resistance R66 junction has electric capacity C37 and resistance R67, the other end of resistance R67 is connected with electric capacity C38, the surface of resistance R67 is connected with transistor U10, one end of transistor U10 is connected with resistance R69 and resistance R68, one end of electric capacity C38, one end of electric capacity C37 and one end of resistance R68 are all connected with one end of resistance R65, the other end of resistance R65 is connected with U7, the other end of integrated circuit U9 has electric capacity C36 in parallel, one end of electric capacity C36 is connected with diode D15 respectively, one end of diode D15 is connected with integrated circuit U8, the other end of U10, one end of resistance R69, the other end of resistance R68, the other end of electric capacity C36 and the other end of diode D15 are all grounded.

[0007] Preferably, the BIO pin of the integrated circuit U8 is connected with a resistor R57 and a resistor R60, one end of the resistor R57 is connected with a transistor T6B, the 6 pin of the transistor T6B is connected with a resistor R52, one end of the resistor R52 is connected with a diode D10, one end of the diode D10 is connected with a capacitor C29, one end of the capacitor C29 is connected with a diode D11, one end of the diode D11 is connected with a capacitor C32, a capacitor C30 and a resistor R51 respectively, one end of the resistor R51 is connected with a resistor R44, one end of the capacitor C30 is connected with the 5 pin of the integrated circuit U8, the 6 pin of the integrated circuit U8 is connected with a diode D12 and a resistor R56 respectively, one end of the diode D12 is connected with a resistor R53, one end of the resistor R53 and one end of the resistor R56 are both connected with a resistor R55, the other end of the resistor R53 is connected with a transistor Q3, one end of the transistor Q3 is connected with a capacitor C31, one end of the capacitor C31 is connected with a capacitor C33, a diode D9 and a power grid PQ2620 respectively, the other end of the capacitor C33 is connected with the other end of the transistor Q3, the 4 pin of the integrated circuit U8 is connected with a capacitor C35, one end of the capacitor C35 is connected with a resistor R59, one end of the resistor R59 is connected with a resistor R61, a resistor R62, a resistor R63 and a resistor R58 respectively, one side of the resistor R58 is provided with a transistor Q4, the Np pin of the power grid PQ2620 is connected with a capacitor C22, a resistor R42, a resistor R41 and a capacitor C23 respectively, one end of the resistor R42 is connected with a resistor R50, one end of the resistor R41 is connected with a resistor R49, one end of the resistor R50 and one end of the resistor R49 are both connected with one end of the D9, one side of the transistor Q4 is provided with a transistor T7B, the GND pin of the integrated circuit U8, one end of the resistor R60, the other end of the capacitor C29, the 5 pin of the transistor T6B, one end of the capacitor C32, the other end of the capacitor C30, one end of the resistor R55, the other end of the capacitor C35, one end of the resistor R61, one end of the resistor R62, one end of the resistor R63, one end of the resistor R58, one end of the transistor Q4, one end of the capacitor C23 are all grounded.

[0008] Preferably, the A pin of the transistor T7B is connected with a diode D13, one end of the diode D13 is connected with a resistor R54, one end of the resistor R54 is connected with a capacitor C34, one end of the capacitor C34 is connected with a diode D14, one end of the diode D14 is connected with a resistor inductor RL2, one end of the resistor inductor RL2 is connected with a port CN5, the B pin of the transistor T7B, the other end of the resistor R54, the other end of the capacitor C34 and the other end of the diode D14 are all grounded.

[0009] Preferably, the Ns pin of the power grid PQ2620 is connected with a resistor R45, one end of the resistor R45 is connected with an integrated circuit U7, the 3 pin of the integrated circuit U7 is connected with a resistor R46, one end of the resistor R46 is respectively connected with a resistor R47 and a locking fin Q1, one end of the locking fin Q1 is connected with a resistor R70, one end of the resistor R70 is connected with a capacitor C70, one end of the capacitor C70 and one end of the resistor R47 are both connected with the 2 pin of the integrated circuit U7, the pins of the integrated circuit U7 are respectively connected with a capacitor C24, a capacitor C25, a capacitor C26 and an inductor L2, the other end of the inductor L2 is respectively connected with a capacitor C27, a resistor R43, a capacitor C28, a light emitting diode LED2A, a high-voltage ceramic capacitor CY2 and a port CN4, one end of the light emitting diode LED2A is connected with a resistor R48.

[0010] Preferably, the top of the integrated circuit U9 is provided with an integrated circuit U6, the VS pins of the integrated circuit U6 are respectively connected with a resistor R37 and a resistor R34, the VDD pins of the integrated circuit U6 are respectively connected with a capacitor C21, a capacitor C20, a diode D7 and a resistor R33, one end of the diode D7 is connected with a resistor R32, one end of the resistor R32 is connected with one end of the resistor R34, the other end of the resistor R32 is connected with a transistor T4B, one end of the resistor R33 is connected with a resistor R31, one end of the resistor R31 is connected with a capacitor C19, a resistor R29, a resistor R30 and a capacitor C18, the 8 pin of the integrated circuit U6 is connected with a diode D8, one end of the diode D8 is respectively connected with a resistor R35 and a resistor R36, one end of the resistor R35 is connected with one end of the resistor R29, one end of the resistor R36 is connected with one end of the resistor R30, one end of the capacitor C18 is connected with a power grid EE1910, the 7 pin of the power grid EE1910 is respectively connected with a capacitor C15 and a diode D6, one end of the capacitor C15 is connected with a resistor R27, one end of the diode D6 is connected with a capacitor C16, a capacitor C17, a resistor R28 and a port CN3, one end of the capacitor C21, one end of the capacitor C20, the 4 pin of the transistor T4B, one end of the capacitor C19, the GND pin of the integrated circuit U6, the 6 pin of the power grid EE1910, one end of the capacitor C16, one end of the capacitor C17 and one end of the resistor R28 are all grounded.

[0011] Preferably, the top end of the integrated circuit U6 is provided with an integrated circuit U3, the VDD end pin of the integrated circuit U3 is connected with a capacitor C11, a capacitor C10 and a diode D3 respectively, one end of the diode D3 is connected with a resistor R14, one end of the resistor R14 is connected with a transistor T2B and a resistor R17 respectively, one end of the resistor R17 and the BIO end pin of the integrated circuit U3 are both connected with a resistor R21, the CS end pin of the integrated circuit U3 is connected with a resistor R18, a resistor R19 and a resistor R20 respectively, one end of the resistor R12 is connected with a resistor R6, one end of the resistor R6 is connected with a capacitor C7, a capacitor C6 and a diode D1 respectively, one end of the diode D1 is connected with a high-voltage ceramic capacitor CX3, a high-voltage ceramic capacitor CX4, a high-voltage ceramic capacitor CX1 and a switch LF1 respectively, one end of the switch LF1 is connected with a metal oxide varistor MOV1 in parallel, one end of the metal oxide varistor MOV1 is connected with a fuse FU1, the other end of the metal oxide varistor MOV1 is connected with a thermistor RT1, one end of the thermistor RT1 and one end of the fuse FU1 are both connected with a port CN1, the 6 end pin of the integrated circuit U3 is connected with a diode D5, a capacitor C14 and an integrated circuit U4 respectively, one end of the resistor R21, the GND end pin of the integrated circuit U3, one end of the resistor R18, one end of the resistor R19, one end of the resistor R21, one end of the capacitor C7, one end of the capacitor C6, the surface of the diode D1, one end of the diode D5, one end of the capacitor C14 and one end of the integrated circuit U4 are all grounded.

[0012] Preferably, one end of the capacitor C1 is connected with the transistor T1A, the 6 pins of the transistor T1A are respectively connected with the integrated circuit U1 and the resistor R13, one end of the resistor R13 is connected with the capacitor C9, the 4 pins of the integrated circuit U1 are respectively connected with one end of the resistor R5 and one end of the capacitor C2, the 3 pin of the integrated circuit U1 is connected with the capacitor C8, one end of the resistor R5 is respectively connected with the resistor R16, the capacitor C3 and the inductor L1, one end of the resistor R16 is connected with the other end of the integrated circuit U4, the surface of the integrated circuit U4 is connected with the resistor R22, one end of the resistor R22 is respectively connected with the integrated circuit U5, the resistor R24 and the capacitor C12, one end of the resistor R24 is connected with the capacitor C13, one end of the integrated circuit U5 is respectively connected with the resistor R26 and the resistor R25, one end of the inductor L1 is respectively connected with the capacitor C5, the resistor R15, the capacitor C4, the resistor R7 and the light emitting diode LED1A, one end of the light emitting diode LED1A is respectively connected with the resistor R23, the resistor inductor circuit RL1 and the diode D4, one end of the diode D4 is connected with the high voltage ceramic capacitor CY1, one end of the resistor inductor circuit RL1 is connected with the port CN2, one end of the capacitor C2, one end of the capacitor C8, the 2 pin of the integrated circuit U1, the 1 pin of the integrated circuit U1, one end of the C9, one end of the capacitor C12, one end of the capacitor C13, one end of the resistor R26, one end of the resistor R25, one end of the resistor R15, one end of the resistor R7, one end of the resistor R23 and one end of the high voltage ceramic capacitor CY1 are grounded.

[0013] Compared with the prior art, the circuit is synthesized by three independent flyback switching power supplies, the starting time of each independent switching power supply is designed to control the time sequence starting function, stable power output is provided for the equipment, the influence of power fluctuation and interference problems on the equipment is avoided, and the service life of the system cabinet is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is one of circuit diagrams of the time sequence power supply circuit of the utility model;

[0015] Figure 2 It is the second circuit diagram of the time sequence power supply circuit of the utility model;

[0016] Figure 3 It is the third circuit diagram of the time sequence power supply circuit of the utility model;

[0017] Figure 4 It is the fourth circuit diagram of the time sequence power supply circuit of the utility model;

[0018] Figure 5 It is the fifth circuit diagram of the time sequence power supply circuit of the utility model;

[0019] Figure 6 The sixth is a circuit diagram of the time sequence power supply circuit of the utility model. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-6 The utility model provides a time sequence power supply circuit applied to system cabinet, including integrated circuit U9, one end of integrated circuit U9 is parallel with resistance R66, one end of integrated circuit U9 and resistance R66 junction is connected with resistance R64, the other end of integrated circuit U9 and resistance R66 junction is connected with capacitor C37 and resistance R67, the other end of resistance R67 is connected with capacitor C38, the surface of resistance R67 is connected with transistor U10, one end of transistor U10 is connected with resistance R69 and resistance R68, one end of capacitor C38, one end of capacitor C37 and one end of resistance R68 all are connected with one end of resistance R65, the other end of resistance R65 is connected with U7, the other end of integrated circuit U9 is parallel with capacitor C36, one end of capacitor C36 is connected with diode D15 respectively, one end of diode D15 is connected with integrated circuit U8, the other end of U10, one end of resistance R69, the other end of resistance R68, the other end of capacitor C36 and the other end of diode D15 all are grounded.

[0022] The BIO pin of the integrated circuit U8 is connected with the resistor R57 and the resistor R60, one end of the resistor R57 is connected with the transistor T6B, the 6 pin of the transistor T6B is connected with the resistor R52, one end of the resistor R52 is connected with the diode D10, one end of the diode D10 is connected with the capacitor C29, one end of the capacitor C29 is connected with the diode D11, one end of the diode D11 is connected with the capacitor C32, the capacitor C30 and the resistor R51 respectively, one end of the resistor R51 is connected with the resistor R44, one end of the capacitor C30 is connected with the 5 pin of the integrated circuit U8, the 6 pin of the integrated circuit U8 is connected with the diode D12 and the resistor R56 respectively, one end of the diode D12 is connected with the resistor R53, one end of the resistor R53 and one end of the resistor R56 are both connected with the resistor R55, the other end of the resistor R53 is connected with the transistor Q3, one end of the transistor Q3 is connected with the capacitor C31, one end of the capacitor C31 is connected with the capacitor C33, the diode D9 and the power grid PQ2620 respectively, the other end of the capacitor C33 is connected with the other end of the transistor Q3, the 4 pin of the integrated circuit U8 is connected with the capacitor C35, one end of the capacitor C35 is connected with the resistor R59, one end of the resistor R59 is connected with the resistor R61, the resistor R62, the resistor R63 and the resistor R58 respectively, one side of the resistor R58 is provided with the transistor Q4, the Np pin of the power grid PQ2620 is connected with the capacitor C22, the resistor R42, the resistor R41 and the capacitor C23 respectively, one end of the resistor R42 is connected with the resistor R50, one end of the resistor R41 is connected with the resistor R49, one end of the resistor R50 and one end of the resistor R49 are both connected with one end of the D9, one side of the transistor Q4 is provided with the transistor T7B, the GND pin of the integrated circuit U8, one end of the resistor R60, the other end of the capacitor C29, the 5 pin of the transistor T6B, one end of the capacitor C32, the other end of the capacitor C30, one end of the resistor R55, the other end of the capacitor C35, one end of the resistor R61, one end of the resistor R62, one end of the resistor R63, one end of the resistor R58, one end of the transistor Q4, one end of the capacitor C23 are all grounded.

[0023] The A pin of the transistor T7B is connected with the diode D13, one end of the diode D13 is connected with the resistor R54, one end of the resistor R54 is connected with the capacitor C34, one end of the capacitor C34 is connected with the diode D14, one end of the diode D14 is connected with the resistor inductor RL2, one end of the resistor inductor RL2 is connected with the port CN5, the B pin of the transistor T7B, the other end of the resistor R54, the other end of the capacitor C34 and the other end of the diode D14 are all grounded.

[0024] The Ns end pin of the power grid PQ2620 is connected with the resistor R45, one end of the resistor R45 is connected with the integrated circuit U7, the 3 end pin of the integrated circuit U7 is connected with the resistor R46, one end of the resistor R46 is connected with the resistor R47 and the locking fin Q1 respectively, one end of the locking fin Q1 is connected with the resistor R70, one end of the resistor R70 is connected with the capacitor C70, one end of the capacitor C70 and one end of the resistor R47 are both connected with the 2 end pin of the integrated circuit U7, the end pins of the integrated circuit U7 are connected with the capacitor C24, the capacitor C25, the capacitor C26 and the inductor L2 respectively, the other end of the inductor L2 is connected with the capacitor C27, the resistor R43, the capacitor C28, the light emitting diode LED2A, the high voltage ceramic capacitor CY2 and the port CN4 respectively, one end of the light emitting diode LED2A is connected with the resistor R48.

[0025] The top end of the integrated circuit U9 is provided with the integrated circuit U6, the VS end pin of the integrated circuit U6 is connected with the resistor R37 and the resistor R34 respectively, the VDD end pin of the integrated circuit U6 is connected with the capacitor C21, the capacitor C20, the diode D7 and the resistor R33 respectively, one end of the diode D7 is connected with the resistor R32, one end of the resistor R32 is connected with one end of the resistor R34, the other end of the resistor R32 is connected with the transistor T4B, one end of the resistor R33 is connected with the resistor R31, one end of the resistor R31 is connected with the capacitor C19, the resistor R29, the resistor R30 and the capacitor C18, the 8 end pin of the integrated circuit U6 is connected with the diode D8, one end of the diode D8 is connected with the resistor R35 and the resistor R36 respectively, one end of the resistor R35 is connected with one end of the resistor R29, one end of the resistor R36 is connected with one end of the resistor R30, one end of the capacitor C18 is connected with the power grid EE1910, the 7 end pin of the power grid EE1910 is connected with the capacitor C15 and the diode D6 respectively, one end of the capacitor C15 is connected with the resistor R27, one end of the diode D6 is connected with the capacitor C16, the capacitor C17, the resistor R28 and the port CN3, one end of the capacitor C21, one end of the capacitor C20, the 4 end pin of the transistor T4B, one end of the capacitor C19, the GND end pin of the integrated circuit U6, the 6 end pin of the power grid EE1910, one end of the capacitor C16, one end of the capacitor C17 and one end of the resistor R28 are all grounded.

[0026] The top end of the integrated circuit U6 is provided with the integrated circuit U3, the VDD end pin of the integrated circuit U3 is connected with the capacitor C11, the capacitor C10 and the diode D3 respectively, one end of the diode D3 is connected with the resistor R14, one end of the resistor R14 is connected with the transistor T2B and the resistor R17 respectively, one end of the resistor R17 and the BIO end pin of the integrated circuit U3 are connected with the resistor R21, the CS end pin of the integrated circuit U3 is connected with the resistor R18, the resistor R19 and the resistor R20 respectively, one end of the resistor R12 is connected with the resistor R6, one end of the resistor R6 is connected with the capacitor C7, the capacitor C6 and the diode D1 respectively, one end of the diode D1 is connected with the high-voltage ceramic capacitor CX3, the high-voltage ceramic capacitor CX4, the high-voltage ceramic capacitor CX1 and the switch LF1 respectively, one end of the switch LF1 is connected with the metal oxide varistor MOV1 in parallel, one end of the metal oxide varistor MOV1 is connected with the fuse FU1, the other end of the metal oxide varistor MOV1 is connected with the thermistor RT1, one end of the thermistor RT1 and one end of the fuse FU1 are connected with the port CN1, the 6 end pin of the integrated circuit U3 is connected with the diode D5, the capacitor C14 and the integrated circuit U4 respectively, one end of the resistor R21, the GND end pin of the integrated circuit U3, one end of the resistor R18, one end of the resistor R19, one end of the resistor R21, one end of the capacitor C7, one end of the capacitor C6, the surface of the diode D1, one end of the diode D5, one end of the capacitor C14 and one end of the integrated circuit U4 are grounded.

[0027] One end of the capacitor C1 is connected with the transistor T1A, the 6 end pin of the transistor T1A is connected with the integrated circuit U1 and the resistor R13 respectively, one end of the resistor R13 is connected with the capacitor C9, the 4 end pin of the integrated circuit U1 is connected with one end of the resistor R5 and one end of the capacitor C2 respectively, the 3 end pin of the integrated circuit U1 is connected with the capacitor C8, one end of the resistor R5 is connected with the resistor R16, the capacitor C3 and the inductor L1 respectively, one end of the resistor R16 is connected with the other end of the integrated circuit U4, the surface of the integrated circuit U4 is connected with the resistor R22, one end of the resistor R22 is connected with the integrated circuit U5, the resistor R24 and the capacitor C12 respectively, one end of the resistor R24 is connected with the capacitor C13, one end of the integrated circuit U5 is connected with the resistor R26 and the resistor R25 respectively, one end of the inductor L1 is connected with the capacitor C5, the resistor R15, the capacitor C4, the resistor R7 and the light emitting diode LED1A respectively, one end of the light emitting diode LED1A is connected with the resistor R23, the resistor inductor circuit RL1 and the diode D4 respectively, one end of the diode D4 is connected with the high voltage ceramic capacitor CY1, one end of the resistor inductor circuit RL1 is connected with the port CN2, one end of the capacitor C2, one end of the capacitor C8, the 2 end pin of the integrated circuit U1, the 1 end pin of the integrated circuit U1, one end of C9, one end of the capacitor C12, one end of the capacitor C13, one end of the resistor R26, one end of the resistor R25, one end of the resistor R15, one end of the resistor R7, one end of the resistor R23 and one end of the high voltage ceramic capacitor CY1 are grounded.

[0028] The circuit is applied to a system cabinet, is composed of three independent flyback switching power supplies, the starting time of each independent switching power supply is designed to control the time sequence starting function, a plurality of ports CN are arranged to remotely control the time sequence power supply through a mobile phone or a computer, such as remotely starting or stopping the equipment and adjusting the timing parameters, so that the convenience and flexibility of equipment management are greatly improved, the circuit ensures the orderly operation of the equipment, avoids the conflict and failure among the equipment, reduces the risk of system collapse, accurately controls the switching sequence and time of the equipment, the time sequence power supply ensures that each module in the circuit starts and stops in the correct time sequence, thereby improving the reliability and stability of the system, in addition, the time sequence power supply has overload protection and short circuit protection functions, ensures the safety and stability of the power system, reasonably controls the switching time of the equipment, reduces the standby power consumption of the equipment, and achieves the purpose of energy saving and emission reduction.

[0029] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A timing power supply circuit applied to a system cabinet, comprising an integrated circuit U9, characterized in that: One end of the integrated circuit U9 is connected in parallel with a resistor R66, one end of the connection between the integrated circuit U9 and the resistor R66 is connected with a resistor R64, the other end of the connection between the integrated circuit U9 and the resistor R66 is connected with a capacitor C37 and a resistor R67, the other end of the resistor R67 is connected with a capacitor C38, the surface of the resistor R67 is connected with a transistor U10, one end of the transistor U10 is connected with a resistor R69 and a resistor R68, one end of the capacitor C38, one end of the capacitor C37 and one end of the resistor R68 are all connected with one end of a resistor R65, the other end of the resistor R65 is connected with U7, the other end of the integrated circuit U9 is connected in parallel with a capacitor C36, one end of the capacitor C36 is connected with a diode D15 respectively, one end of the diode D15 is connected with an integrated circuit U8, the other end of the U10, one end of the resistor R69, the other end of the resistor R68, the other end of the capacitor C36 and the other end of the diode D15 are all grounded.

2. The time sequence power supply circuit applied to the system cabinet according to claim 1, characterized in that: The BIO pin of the integrated circuit U8 is connected with a resistor R57 and a resistor R60, one end of the resistor R57 is connected with a transistor T6B, the 6 pin of the transistor T6B is connected with a resistor R52, one end of the resistor R52 is connected with a diode D10, one end of the diode D10 is connected with a capacitor C29, one end of the capacitor C29 is connected with a diode D11, one end of the diode D11 is connected with a capacitor C32, a capacitor C30 and a resistor R51 respectively, one end of the resistor R51 is connected with a resistor R44, one end of the capacitor C30 is connected with the 5 pin of the integrated circuit U8, the 6 pin of the integrated circuit U8 is connected with a diode D12 and a resistor R56 respectively, one end of the diode D12 is connected with a resistor R53, one end of the resistor R53 and one end of the resistor R56 are both connected with a resistor R55, the other end of the resistor R53 is connected with a transistor Q3, one end of the transistor Q3 is connected with a capacitor C31, one end of the capacitor C31 is connected with a capacitor C33, a diode D9 and a power grid PQ2620 respectively, the other end of the capacitor C33 is connected with the other end of the transistor Q3, the 4 pin of the integrated circuit U8 is connected with a capacitor C35, one end of the capacitor C35 is connected with a resistor R59, one end of the resistor R59 is connected with a resistor R61, a resistor R62, a resistor R63 and a resistor R58 respectively, one side of the resistor R58 is provided with a transistor Q4, the Np pin of the power grid PQ2620 is connected with a capacitor C22, a resistor R42, a resistor R41 and a capacitor C23 respectively, one end of the resistor R42 is connected with a resistor R50, one end of the resistor R41 is connected with a resistor R49, one end of the resistor R50 and one end of the resistor R49 are both connected with one end of the D9, one side of the transistor Q4 is provided with a transistor T7B, the GND pin of the integrated circuit U8, one end of the resistor R60, the other end of the capacitor C29, the 5 pin of the transistor T6B, one end of the capacitor C32, the other end of the capacitor C30, one end of the resistor R55, the other end of the capacitor C35, one end of the resistor R61, one end of the resistor R62, one end of the resistor R63, one end of the resistor R58, one end of the transistor Q4, one end of the capacitor C23 are all grounded.

3. The time sequence power supply circuit applied to the system cabinet according to claim 2, characterized in that: The A pin of the transistor T7B is connected with a diode D13, one end of the diode D13 is connected with a resistor R54, one end of the resistor R54 is connected with a capacitor C34, one end of the capacitor C34 is connected with a diode D14, one end of the diode D14 is connected with a resistor inductor RL2, one end of the resistor inductor RL2 is connected with a port CN5, the B pin of the transistor T7B, the other end of the resistor R54, the other end of the capacitor C34 and the other end of the diode D14 are all grounded.

4. The time sequence power supply circuit applied to the system cabinet of claim 2, wherein: The Ns end foot of the power grid PQ2620 is connected with a resistor R45, one end of the resistor R45 is connected with an integrated circuit U7, the 3 end foot of the integrated circuit U7 is connected with a resistor R46, one end of the resistor R46 is connected with a resistor R47 and a locking fin Q1 respectively, one end of the locking fin Q1 is connected with a resistor R70, one end of the resistor R70 is connected with a capacitor C70, one end of the capacitor C70 and one end of the resistor R47 are both connected with the 2 end foot of the integrated circuit U7, the end feet of the integrated circuit U7 are connected with a capacitor C24, a capacitor C25, a capacitor C26 and an inductor L2 respectively, the other end of the inductor L2 is connected with a capacitor C27, a resistor R43, a capacitor C28, a light emitting diode LED2A, a high-voltage ceramic capacitor CY2 and a port CN4 respectively, one end of the light emitting diode LED2A is connected with a resistor R48.

5. The timing power supply circuit applied to a system cabinet according to claim 1, characterized in that: The top end of the integrated circuit U9 is provided with an integrated circuit U6, the VS end feet of the integrated circuit U6 are connected with a resistor R37 and a resistor R34 respectively, the VDD end feet of the integrated circuit U6 are connected with a capacitor C21, a capacitor C20, a diode D7 and a resistor R33 respectively, one end of the diode D7 is connected with a resistor R32, one end of the resistor R32 is connected with one end of the resistor R34, the other end of the resistor R32 is connected with a transistor T4B, one end of the resistor R33 is connected with a resistor R31, one end of the resistor R31 is connected with a capacitor C19, a resistor R29, a resistor R30 and a capacitor C18, the 8 end foot of the integrated circuit U6 is connected with a diode D8, one end of the diode D8 is connected with a resistor R35 and a resistor R36 respectively, one end of the resistor R35 is connected with one end of the resistor R29, one end of the resistor R36 is connected with one end of the resistor R30, one end of the capacitor C18 is connected with a power grid EE1910, the 7 end feet of the power grid EE1910 are connected with a capacitor C15 and a diode D6 respectively, one end of the capacitor C15 is connected with a resistor R27, one end of the diode D6 is connected with a capacitor C16, a capacitor C17, a resistor R28 and a port CN3, one end of the capacitor C21, one end of the capacitor C20, the 4 end foot of the transistor T4B, one end of the capacitor C19, the GND end foot of the integrated circuit U6, the 6 end foot of the power grid EE1910, one end of the capacitor C16, one end of the capacitor C17 and one end of the resistor R28 are all grounded.

6. The timing power supply circuit applied to a system cabinet according to claim 5, characterized in that: The top end of the integrated circuit U6 is provided with an integrated circuit U3, the VDD end pin of the integrated circuit U3 is connected with a capacitor C11, a capacitor C10 and a diode D3 respectively, one end of the diode D3 is connected with a resistor R14, one end of the resistor R14 is connected with a transistor T2B and a resistor R17 respectively, one end of the resistor R17 and the BIO end pin of the integrated circuit U3 are both connected with a resistor R21, the CS end pin of the integrated circuit U3 is connected with a resistor R18, a resistor R19 and a resistor R20 respectively, one end of the resistor R12 is connected with a resistor R6, one end of the resistor R6 is connected with a capacitor C7, a capacitor C6 and a diode D1 respectively, one end of the diode D1 is connected with a high-voltage ceramic capacitor CX3, a high-voltage ceramic capacitor CX4, a high-voltage ceramic capacitor CX1 and a switch LF1 respectively, one end of the switch LF1 is connected with a metal oxide varistor MOV1 in parallel, one end of the metal oxide varistor MOV1 is connected with a fuse FU1, the other end of the metal oxide varistor MOV1 is connected with a thermistor RT1, one end of the thermistor RT1 and one end of the fuse FU1 are both connected with a port CN1, the 6 end pin of the integrated circuit U3 is connected with a diode D5, a capacitor C14 and an integrated circuit U4 respectively, one end of the resistor R21, the GND end pin of the integrated circuit U3, one end of the resistor R18, one end of the resistor R19, one end of the resistor R21, one end of the capacitor C7, one end of the capacitor C6, the surface of the diode D1, one end of the diode D5, one end of the capacitor C14 and one end of the integrated circuit U4 are all grounded.

7. The timing power supply circuit applied to a system cabinet according to claim 6, characterized in that: One end of the capacitor C1 is connected with transistor T1A, 6 end pin of the transistor T1A is connected with integrated circuit U1 and resistance R13 respectively, one end of the resistance R13 is connected with capacitor C9, 4 end pin of the integrated circuit U1 is connected with one end of resistance R5 and one end of capacitor C2 respectively, 3 end pin of the integrated circuit U1 is connected with capacitor C8, one end of the resistance R5 is connected with resistance R16, capacitor C3 and inductance L1 respectively, one end of the resistance R16 is connected with the other end of integrated circuit U4, the surface of the integrated circuit U4 is connected with resistance R22, one end of the resistance R22 is connected with integrated circuit U5, resistance R24 and capacitor C12 respectively, one end of the resistance R24 is connected with capacitor C13, one end of the integrated circuit U5 is connected with resistance R26 and resistance R25 respectively, one end of the inductance L1 is connected with capacitor C5, resistance R15, capacitor C4, resistance R7 and light emitting diode LED1A respectively, one end of the light emitting diode LED1A is connected with resistance R23, resistance inductance circuit RL1 and diode D4 respectively, one end of the diode D4 is connected with high voltage ceramic capacitor CY1, one end of the resistance inductance circuit RL1 is connected with port CN2, one end of the capacitor C2, one end of the capacitor C8, 2 end pin of the integrated circuit U1, 1 end pin of the integrated circuit U1, one end of C9, one end of the capacitor C12, one end of the capacitor C13, one end of the resistance R26, one end of the resistance R25, one end of the resistance R15, one end of the resistance R7, one end of the resistance R23 and one end of the high voltage ceramic capacitor CY1 are grounded.

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