Cloud broadcasting system based on ARM server

Abstract

The utility model relates to the technical field of cloud broadcasting systems, in particular to a cloud broadcasting system based on an ARM (Advanced RISC Machines) server, which comprises an ARM chip, a storage module, a DPS3848K physical transceiver, a network transformer, a wireless communication module and a power supply module, the power supply module comprises a rectification circuit, a protection circuit, a main power supply circuit, a charging circuit, a storage battery and a control circuit. According to the utility model, the protection circuit can prevent over-voltage and over-current, the stability and safety of the system are improved through double guarantee, the charging circuit takes a chip BQ24105 as a core, accurate and intelligent charging of the storage battery is realized, the current and voltage are adjusted according to the electric quantity, the charging efficiency is improved, the service life of the storage battery is prolonged, and the indicator light facilitates the understanding of the charging state. The main power supply circuit and the control circuit cooperate, the main power supply circuit supplies power when the mains supply is normal, and the control circuit enables the storage battery to seamlessly switch power supply when the mains supply is powered off, thereby ensuring uninterrupted cloud broadcast service.

Description

TECHNICAL FIELD

[0001] The utility model relates to cloud broadcast system technical field, concretely, it relates to cloud broadcast system based on ARM server. BACKGROUND

[0002] With the continuous development of cloud computing and internet of things technology, cloud broadcast system has been widely applied in various fields, such as online education, video live broadcast, intelligent security, etc. Cloud broadcast system needs to process a large amount of audio and video data and transmit in real time through network, so it puts forward higher requirements on the performance and stability of server.

[0003] Traditional cloud broadcast system usually adopts x86 architecture server, which has powerful computing ability and rich software ecology, but at the same time, it also has problems of high power consumption, large size and high cost. ARM architecture server gradually becomes a new choice of cloud broadcast system with its advantages of low power consumption, high performance and small size. ARM chip has achieved great success in mobile device field, and its technology maturity is continuously improved, which can meet the demand of cloud broadcast system on data processing and network transmission.

[0004] However, since ARM server is usually applied in power-sensitive scenes, such as mobile base station, intelligent edge device, etc., an efficient and stable power module is needed to ensure the normal operation of system, at the same time, in order to cope with possible power failure, the power module should also have standby power function to ensure the continuity of cloud broadcast system service. UTILITY MODEL CONTENT

[0005] The utility model aims at providing cloud broadcast system based on ARM server to solve the problems proposed in the above background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The cloud broadcast system based on ARM server comprises an ARM chip, a storage module, a DPS3848K physical transceiver, a network transformer, a wireless communication module and a power module, the ARM chip is connected with the storage module in signal through an SDIO interface, the ARM chip is connected with the DPS3848K physical transceiver in signal through an RMII interface, the DPS3848K physical transceiver is connected with the network transformer in signal, the network transformer is connected with the wireless communication module in signal through an RJ45 network port, the power module is used for supplying power for the ARM chip, and the power module comprises a rectifier circuit, a protection circuit, a main power supply circuit, a charging circuit, a storage battery and a control circuit, the output end of the rectifier circuit is connected with the input end of the protection circuit, the output end of the protection circuit is connected with the input end of the main power supply circuit, the input end of the control circuit and the input end of the charging circuit at the same time, and the output end of the charging circuit is connected with the input end of the storage battery.

[0008] Preferably, the rectifier circuit comprises a primary coil, a secondary coil, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1 and a capacitor C2.

[0009] The two ends of the primary coil are connected with 220V mains, the first end of the secondary coil is connected with the negative electrode of the diode D3, the second end of the secondary coil is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is connected with the positive electrode of the diode D3, the positive electrode of the diode D2 is connected with the positive electrode of the diode D1, the negative electrode of the diode D2 is connected with the positive electrode of the diode D4, the positive electrode of the diode D4 is connected with the negative electrode of the diode D2, the negative electrode of the diode D4 is connected with the negative electrode of the diode D3, the first end of the capacitor C1 is connected with the negative electrode of the diode D1, the second end of the capacitor C1 is connected with the negative electrode of the diode D2, the first end of the capacitor C2 is connected with the first end of the capacitor C1, the second end of the capacitor C2 is connected with the second end of the capacitor C1, the second end of the capacitor C1 is connected with the ground, and the two ends of the capacitor C2 are used as the output end of the rectifier circuit.

[0010] Preferably, the protection circuit comprises a transient voltage suppressor TVS and a fuse FU.

[0011] The first end of the transient voltage suppressor TVS is connected with the first end of the capacitor C2, the second end of the transient voltage suppressor TVS is connected with the second end of the capacitor C2, the first end of the fuse FU is connected with the first end of the capacitor C2, and the second end of the fuse FU is used as the output end of the protection circuit.

[0012] Preferably, the charging circuit comprises a chip BQ24105, a capacitor C3, a capacitor C4, a resistor R3, a resistor R4, a resistor R5, a resistor R6, an indicator lamp L1, an indicator lamp L2, an indicator lamp L3, a capacitor C5, a diode D6, an inductor L, a capacitor C6, a capacitor C7, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14 and a capacitor C8.

[0013] The first end of the capacitor C3 is connected to the second end of the fuse FU, the second end of the capacitor C3 is connected to the ground, the first end of the capacitor C4 is connected to the first end of the capacitor C3, the second end of the capacitor C4 is connected to the ground, the first end of the resistor R3 is connected to the first end of the capacitor C4, the second end of the resistor R3 is connected to the ground, the first end of the resistor R4 is connected to the first end of the resistor R3, the second end of the resistor R4 is connected to the first end of the indicator lamp L1, the second end of the indicator lamp L1 is connected to the PG port of the chip BQ24105, the first end of the resistor R5 is connected to the first end of the resistor R4, the second end of the resistor R5 is connected to the first end of the indicator lamp L2, the second end of the indicator lamp L2 is connected to the STAT2 port of the chip BQ24105, the first end of the resistor R6 is connected to the first end of the resistor R5, the second end of the resistor R6 is connected to the first end of the indicator lamp L3, the second end of the indicator lamp L3 is connected to the STAT1 port of the chip BQ24105, the IN port and the VCC port of the chip BQ24105 are connected to the first end of the resistor R6, the first end of the capacitor C5 is connected to the TTC port of the chip BQ24105, the second end of the capacitor C5 is connected to the ground, the CE port and the VSS port of the chip BQ24105 are connected to the ground, the first end of the inductor L is connected to the OUT port of the chip BQ24105, the second end of the inductor L is connected to the first end of the resistor R7, the second end of the resistor R7 is connected to the positive electrode of the battery, the PGND port of the chip BQ24105 is connected to the ground, the positive electrode of the diode D6 is connected to the ground, the negative electrode of the diode D6 is connected to the first end of the inductor L, the first end of the capacitor C6 is connected to the second end of the inductor L, the second end of the capacitor C6 is connected to the ground, the first end of the capacitor C7 is connected to the second end of the inductor L, the second end of the capacitor C7 is connected to the ground, the SNS port of the chip BQ24105 is connected to the second end of the inductor L, the BAT port of the chip BQ24105 is connected to the second end of the resistor R7, the ISET1 port of the chip BQ24105 is connected to the first end of the resistor R10, the second end of the resistor R10 is connected to the ground, the ISET2 port of the chip BQ24105 is connected to the first end of the resistor R11, the second end of the resistor R11 is connected to the ground, the TS port of the chip BQ24105 is connected to the first end of the resistor R14, the second end of the resistor R14 is connected to the negative electrode of the battery, the VTSB port of the chip BQ24105 is connected to the first end of the resistor R12, the second end of the resistor R12 is connected to the first end of the resistor R13, the second end of the resistor R13 is connected to the ground, the first end of the resistor R14 is also connected to the second end of the resistor R12, the first end of the capacitor C8 is connected to the first end of the resistor R12, the second end of the capacitor C8 is connected to the ground, the first end of the resistor R8 is connected to the second end of the resistor R7, the second end of the resistor R8 is connected to the first end of the resistor R9, the second end of the resistor R9 is connected to the ground, and the FB port of the chip BQ24105 is connected to the second end of the resistor R8.

[0014] Preferably, the main power supply circuit comprises a diode D5, the positive electrode of the diode D5 is connected to the second end of the fuse FU, and the second end of the diode D5 is connected to the load.

[0015] Preferably, the control circuit comprises a resistor R1, a resistor R2 and a PMOS tube.

[0016] The first end of the resistor R1 is connected with the second end of the fuse FU, the second end of the resistor R1 is connected with the first end of the resistor R2, the second end of the resistor R2 is connected with the ground, the gate of the PMOS is connected with the second end of the resistor R1, the drain of the PMOS is connected with the positive pole of the storage battery, and the source of the PMOS is connected with the load.

[0017] Compared with the prior art, the utility model has the advantages that:

[0018] The rectifier circuit can convert 220V mains into stable direct current, and provide pure power for the system, reduce the influence of voltage fluctuation, and prevent overvoltage and overcurrent in the protection circuit, so that the system stability and safety are improved, the charging circuit takes the chip BQ24105 as the core, realizes accurate intelligent charging of the storage battery, adjusts the current and voltage according to the electric quantity, improves the charging efficiency and prolongs the service life of the storage battery, the indicator light is convenient for understanding the charging state, the main power supply circuit and the control circuit cooperate, the main power supply circuit supplies power when the mains is normal, and the control circuit makes the storage battery seamlessly switch power supply when power failure occurs, so that the cloud broadcast service is uninterrupted. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic view of the utility model;

[0020] Figure 2 It is a structure schematic view of the power module in the utility model;

[0021] Figure 3 It is a circuit diagram of the rectifier circuit and the protection circuit in the utility model;

[0022] Figure 4 It is a partial circuit diagram of the power module in the utility model;

[0023] Figure 5 It is a circuit diagram of the charging circuit in the utility model;

[0024] In the drawing:

[0025] 1, ARM chip;

[0026] 2, storage module;

[0027] 3, DPS3848K physical transceiver;

[0028] 4, network transformer;

[0029] 5, wireless communication module;

[0030] 6, power module; 60, rectifier circuit; 61, protection circuit; 62, main power supply circuit; 63, charging circuit; 64, storage battery; 65, control circuit. DETAILED DESCRIPTION

[0031] The technical solutions in the utility model will be clearly and completely described below in combination with the drawings in the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0032] Please refer to Figures 1-5 The utility model provides technical schemes:

[0033] The cloud broadcast system based on ARM server comprises an ARM chip 1, a storage module 2, a DPS3848K physical transceiver 3, a network transformer 4, a wireless communication module 5 and a power module 6. The ARM chip 1 serves as the core control unit of the cloud broadcast system and is responsible for the operation management and data processing of the entire cloud broadcast system. The ARM chip 1 is signal connected with the storage module 2 through an SDIO interface to realize fast read-write operation on audio and video data. The storage module 2 is used for storing various data required by the cloud broadcast system, including audio and video files, play lists, system configuration information and the like. The ARM chip 1 can read audio and video data to be played from the storage module 2 and perform decoding and other processing operations. The ARM chip 1 is signal connected with the DPS3848K physical transceiver 3 through an RMII interface to transmit the processed data to the DPS3848K physical transceiver 3. The DPS3848K physical transceiver 3 is responsible for converting digital signals into physical signal formats suitable for network transmission. The DPS3848K physical transceiver 3 is signal connected with the network transformer 4. The network transformer 4 plays a role in signal isolation, impedance matching and the like to ensure the stability and reliability of signals in the transmission process. The network transformer 4 is connected with an external network through an RJ45 network port to send the processed audio and video data to the network, realizing data interaction between the cloud broadcast system and other devices or servers. The network transformer 4 is signal connected with the wireless communication module 5 through the RJ45 network port, so that the cloud broadcast system has wireless communication capability. The wireless communication module 5 can connect the cloud broadcast system to a wireless network such as a Wi-Fi network. In this way, the cloud broadcast system can transmit audio and video data to user devices through a wireless network without wired network connection, facilitating users to use cloud broadcast services in mobile scenarios. For example, users can connect to the cloud broadcast system through wireless devices such as mobile phones and tablet computers to receive and play audio and video content. At the same time, the wireless communication module 5 can also receive control instructions and other information from external devices and transmit them to the ARM chip 1 through the network transformer 4 and the DPS3848K physical transceiver 3 to realize remote control of the cloud broadcast system. Through the collaborative work of these modules, the cloud broadcast system realizes data processing, storage, network transmission and wireless communication and the like, providing users with convenient and efficient cloud broadcast service experience. The power module 6 is used for power supply of the ARM chip 1. The power module 6 comprises a rectifier circuit 60, a protection circuit 61, a main power supply circuit 62, a charging circuit 63, a storage battery 64 and a control circuit 65. The output end of the rectifier circuit 60 is connected with the input end of the protection circuit 61. The output end of the protection circuit 61 is connected with the input end of the main power supply circuit 62, the input end of the control circuit 65 and the input end of the charging circuit 63. The output end of the charging circuit 63 is connected with the input end of the storage battery 64.

[0034] In the embodiment, the rectifier circuit 60 comprises a primary coil, a secondary coil, a diode D1, a diode D2, a diode D3, a diode D4, a capacitor C1 and a capacitor C2;

[0035] The primary coil and the secondary coil constitute a step-down circuit. Two ends of the primary coil are connected to 220V mains. A first end of the secondary coil is connected to a negative electrode of the diode D3. A second end of the secondary coil is connected to a positive electrode of the diode D1. A negative electrode of the diode D1 is connected to a positive electrode of the diode D3. A positive electrode of the diode D2 is connected to the positive electrode of the diode D1. A negative electrode of the diode D2 is connected to a positive electrode of the diode D4. A positive electrode of the diode D4 is connected to the negative electrode of the diode D2. A negative electrode of the diode D4 is connected to the negative electrode of the diode D3. The diode D1, the diode D2, the diode D3 and the diode D4 have the same specifications. The diode D1, the diode D2, the diode D3 and the diode D4 constitute a full-bridge rectifier bridge. A first end of the capacitor C1 is connected to the negative electrode of the diode D1. A second end of the capacitor C1 is connected to the ground. A first end of the capacitor C2 is connected to the first end of the capacitor C1. A second end of the capacitor C2 is connected to the second end of the capacitor C1. The two ends of the capacitor C2 serve as output ends of the rectifier circuit 60. The capacitor C1 and the capacitor C2 are filter capacitors. The capacitor C1 and the capacitor C2 are respectively used to filter high-frequency noise and low-frequency noise.

[0036] Further, the protection circuit 61 comprises a transient voltage suppressor TVS and a fuse FU.

[0037] The first end of the transient voltage suppressor TVS is connected to the first end of the capacitor C2. The second end of the transient voltage suppressor TVS is connected to the second end of the capacitor C2. The first end of the fuse FU is connected to the first end of the capacitor C2. The second end of the fuse FU serves as an output end of the protection circuit 61. The transient voltage suppressor TVS has a special PN junction structure. In a normal state, the transient voltage suppressor TVS is in a high-resistance state. When overvoltage occurs in the circuit and exceeds the breakdown voltage of the transient voltage suppressor TVS, the PN junction rapidly undergoes avalanche or Zener breakdown. The current sharply increases, and the impedance decreases to nearly short circuit. At this time, the transient voltage suppressor TVS clamps the overvoltage at a lower and safe level, thereby protecting subsequent circuit elements. The fuse FU plays a role in overcurrent protection.

[0038] Specifically, the charging circuit 63 comprises a chip BQ24105, a capacitor C3, a capacitor C4, a resistor R3, a resistor R4, a resistor R5, a resistor R6, an indicator lamp L1, an indicator lamp L2, an indicator lamp L3, a capacitor C5, a diode D6, an inductor L, a capacitor C6, a capacitor C7, a resistor R7, a resistor R8, a resistor R9, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14 and a capacitor C8.

[0039] The first end of the capacitor C3 is connected to the second end of the fuse FU, the second end of the capacitor C3 is connected to the ground, the first end of the capacitor C4 is connected to the first end of the capacitor C3, the second end of the capacitor C4 is connected to the ground, the capacitor C3 and the capacitor C4 are filter capacitors, the first end of the resistor R3 is connected to the first end of the capacitor C4, the second end of the resistor R3 is connected to the ground, the first end of the resistor R4 is connected to the first end of the resistor R3, the second end of the resistor R4 is connected to the first end of the indicator lamp L1, the second end of the indicator lamp L1 is connected to the PG port of the chip BQ24105, the first end of the resistor R5 is connected to the first end of the resistor R4, the second end of the resistor R5 is connected to the first end of the indicator lamp L2, the second end of the indicator lamp L2 is connected to the STAT2 port of the chip BQ24105, the first end of the resistor R6 is connected to the first end of the resistor R5, the second end of the resistor R6 is connected to the first end of the indicator lamp L3, the second end of the indicator lamp L3 is connected to the STAT1 port of the chip BQ24105, the colors of the indicator lamp L1, the indicator lamp L2 and the indicator lamp L3 are different, and they are used to indicate different working states, the IN port and the VCC port of the chip BQ24105 are connected to the first end of the resistor R6, the TTC port of the chip BQ24105 is connected to the first end of the capacitor C5, the second end of the capacitor C5 is connected to the ground, the CE port and the VSS port of the chip BQ24105 are connected to the ground, the OUT port of the chip BQ24105 is connected to the first end of the inductor L, the second end of the inductor L is connected to the first end of the resistor R7, the second end of the resistor R7 is connected to the positive electrode of the storage battery 64, the PGND port of the chip BQ24105 is connected to the ground, the positive electrode of the diode D6 is connected to the ground, the negative electrode of the diode D6 is connected to the first end of the inductor L, the first end of the capacitor C6 is connected to the second end of the inductor L, the second end of the capacitor C6 is connected to the ground, the first end of the capacitor C7 is connected to the second end of the inductor L, the second end of the capacitor C7 is connected to the ground, the SNS port of the chip BQ24105 is connected to the second end of the inductor L, the BAT port of the chip BQ24105 is connected to the second end of the resistor R7, the ISET1 port of the chip BQ24105 is connected to the first end of the resistor R10, the second end of the resistor R10 is connected to the ground, the ISET2 port of the chip BQ24105 is connected to the first end of the resistor R11, the second end of the resistor R11 is connected to the ground, the charging current is set by adjusting the resistance values of the resistors R4, R10 and R11, the TS port of the chip BQ24105 is connected to the first end of the resistor R14, the second end of the resistor R14 is connected to the negative electrode of the storage battery 64, the resistor R14 is a negative temperature coefficient thermistor, the resistor R14 is installed on the storage battery 64, and the resistor R14 is used for measuring the temperature of the storage battery 64; the charging temperature range is set by adjusting the resistance values of the resistors R12 and R13, the VTSB port of the chip BQ24105 is connected to the first end of the resistor R12, the second end of the resistor R12 is connected to the first end of the resistor R13, the second end of the resistor R13 is connected to the ground, the first end of the resistor R14 is also connected to the second end of the resistor R12, the first end of the capacitor C8 is connected to the first end of the resistor R12, the second end of the capacitor C8 is connected to the ground, the first end of the resistor R8 is connected to the second end of the resistor R7, the second end of the resistor R8 is connected to the first end of the resistor R9, the second end of the resistor R9 is connected to the ground, the FB port of the chip BQ24105 is connected to the second end of the resistor R8, and the charging voltage is set by adjusting the resistance values of the resistors R8 and R9.

[0040] In addition, the main power supply circuit 62 comprises a diode D5, the positive electrode of the diode D5 is connected to the second end of the fuse FU, the second end of the diode D5 is connected to the load, and the diode D5 is used for ensuring the forward flow of current and preventing the reverse flow phenomenon.

[0041] It is worth noting that the control circuit 65 comprises a resistor R1, a resistor R2 and a PMOS tube.

[0042] The first end of the resistor R1 is connected to the second end of the fuse FU, the second end of the resistor R1 is connected to the first end of the resistor R2, the second end of the resistor R2 is connected to the ground, the gate electrode of the PMOS tube is connected to the second end of the resistor R1, the drain electrode of the PMOS tube is connected to the positive electrode of the storage battery 64, the source electrode of the PMOS tube is connected to the load, the PMOS tube is an enhancement mode PMOS tube, when the gate electrode of the PMOS tube is at a high level, the PMOS tube is cut off, the PMOS tube is powered by 220V mains, and when the gate electrode of the PMOS tube is at a low level, the PMOS tube is turned on and powered by the storage battery 64.

[0043] The cloud broadcast system based on the ARM server of the utility model in use, ARM chip 1 as core control unit, read audio and video data from storage module 2, and carry out decoding and other processing operations, storage module 2 stores the various data required by cloud broadcast system, such as audio and video files, play list, system configuration information etc., provides data support for ARM chip 1, and the data after processing is transmitted to DPS3848K physical transceiver 3 through RMII interface, converts digital signal into physical signal format suitable for network transmission, then, network transformer 4 carries out isolation, impedance matching and other processing to the signal, guarantees the stability and reliability of the signal in the transmission process, then sends data to network through RJ45 network interface, realizes the data interaction between cloud broadcast system and other devices or servers, at the same time, network transformer 4 is also connected with wireless communication module 5 through RJ45 network interface, makes cloud broadcast system have wireless communication capability, can transmit audio and video data under wireless network environment, and receives the control instruction of external device.

[0044] 220V mains is connected to rectifier circuit 60, and is sequentially subjected to voltage reduction, rectification and filtering, then protection circuit 61 plays the roles of overvoltage protection and overcurrent protection, and the output power enters charging circuit 63, and charging circuit 63 controls the charging process of storage battery 64.

[0045] When 220V mains is normal, diode D5 in main power supply circuit 62 ensures the forward flow of current and prevents reverse flow, and supplies power to the load, when the mains is powered off, the PMOS tube in control circuit 65 plays a role, the gate voltage changes, the PMOS tube is turned on, the storage battery 64 supplies power to the load through the PMOS tube, seamless switching is realized, cloud broadcast service is ensured to be uninterrupted, and an alarm circuit can also be added between the storage battery 64 and the drain electrode of the PMOS tube to remind the user.

[0046] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An ARM server-based cloud broadcasting system, characterized in that: The application relates to an ARM chip (1), a storage module (2), a DPS3848K physical transceiver (3), a network transformer (4), a wireless communication module (5) and a power module (6), wherein the ARM chip (1) is signal-connected with the storage module (2) through an SDIO interface, the ARM chip (1) is signal-connected with the DPS3848K physical transceiver (3) through an RMII interface, the DPS3848K physical transceiver (3) is signal-connected with the network transformer (4), the network transformer (4) is signal-connected with the wireless communication module (5) through an RJ45 network port, the power module (6) is used for supplying power to the ARM chip (1), the power module (6) comprises a rectifier circuit (60), a protection circuit (61), a main power supply circuit (62), a charging circuit (63), a storage battery (64) and a control circuit (65), the output end of the rectifier circuit (60) is connected with the input end of the protection circuit (61), the output end of the protection circuit (61) is simultaneously connected with the input end of the main power supply circuit (62), the input end of the control circuit (65) and the input end of the charging circuit (63), and the output end of the charging circuit (63) is connected with the input end of the storage battery (64). 2.The ARM server-based cloud streaming system of claim 1, wherein: The rectifier circuit (60) comprises a primary coil, a secondary coil, diodes D1, D2, D3, D4, capacitors C1 and C2; the two ends of the primary coil are connected with 220V mains, the first end of the secondary coil is connected with the negative electrode of the diode D3, the second end of the secondary coil is connected with the positive electrode of the diode D1, the negative electrode of the diode D1 is connected with the positive electrode of the diode D3, the positive electrode of the diode D2 is connected with the positive electrode of the diode D1, the negative electrode of the diode D2 is connected with the positive electrode of the diode D4, the positive electrode of the diode D4 is connected with the negative electrode of the diode D2, the negative electrode of the diode D4 is connected with the negative electrode of the diode D3, the first end of the capacitor C1 is connected with the negative electrode of the diode D1, the second end of the capacitor C1 is connected with the negative electrode of the diode D2, the first end of the capacitor C2 is connected with the first end of the capacitor C1, the second end of the capacitor C2 is connected with the second end of the capacitor C1, the second end of the capacitor C1 is connected with the ground, and the two ends of the capacitor C2 serve as the output end of the rectifier circuit (60). 3.The ARM server-based cloud streaming system of claim 2, wherein: The protection circuit (61) comprises a transient voltage suppressor TVS and a fuse FU; the first end of the transient voltage suppressor TVS is connected with the first end of the capacitor C2, the second end of the transient voltage suppressor TVS is connected with the second end of the capacitor C2, the first end of the fuse FU is connected with the first end of the capacitor C2, and the second end of the fuse FU serves as the output end of the protection circuit (61). 4.The ARM server-based cloud streaming system of claim 3, wherein: The charging circuit (63) comprises a chip BQ24105, capacitors C3 and C4, resistors R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14 and C8, diodes D6, an inductor L, capacitors C5, C6 and C7, and indicator lamps L1, L2 and L3. The first end of the capacitor C3 is connected to the second end of the fuse FU, the second end of the capacitor C3 is connected to the ground, the first end of the capacitor C4 is connected to the first end of the capacitor C3, the second end of the capacitor C4 is connected to the ground, the first end of the resistor R3 is connected to the first end of the capacitor C4, the second end of the resistor R3 is connected to the ground, the first end of the resistor R4 is connected to the first end of the resistor R3, the second end of the resistor R4 is connected to the first end of the indicator lamp L1, the second end of the indicator lamp L1 is connected to the PG port of the chip BQ24105, the first end of the resistor R5 is connected to the first end of the resistor R4, the second end of the resistor R5 is connected to the first end of the indicator lamp L2, the second end of the indicator lamp L2 is connected to the STAT2 port of the chip BQ24105, the first end of the resistor R6 is connected to the first end of the resistor R5, the second end of the resistor R6 is connected to the first end of the indicator lamp L3, the second end of the indicator lamp L3 is connected to the STAT1 port of the chip BQ24105, the IN port and the VCC port of the chip BQ24105 are connected to the first end of the resistor R6, the first end of the capacitor C5 is connected to the TTC port of the chip BQ24105, the second end of the capacitor C5 is connected to the ground, the CE port and the VSS port of the chip BQ24105 are connected to the ground, the OUT port of the chip BQ24105 is connected to the first end of the inductor L, the second end of the inductor L is connected to the first end of the resistor R7, the second end of the resistor R7 is connected to the positive electrode of the battery (64), the PGND port of the chip BQ24105 is connected to the ground, the positive electrode of the diode D6 is connected to the ground, the negative electrode of the diode D6 is connected to the first end of the inductor L, the first end of the capacitor C6 is connected to the second end of the inductor L, the second end of the capacitor C6 is connected to the ground, the first end of the capacitor C7 is connected to the second end of the inductor L, the second end of the capacitor C7 is connected to the ground, the SNS port of the chip BQ24105 is connected to the second end of the inductor L, the BAT port of the chip BQ24105 is connected to the second end of the resistor R7, the ISET1 port of the chip BQ24105 is connected to the first end of the resistor R10, the second end of the resistor R10 is connected to the ground, the ISET2 port of the chip BQ24105 is connected to the first end of the resistor R11, the second end of the resistor R11 is connected to the ground, the TS port of the chip BQ24105 is connected to the first end of the resistor R14, the second end of the resistor R14 is connected to the negative electrode of the battery (64), the VTSB port of the chip BQ24105 is connected to the first end of the resistor R12, the second end of the resistor R12 is connected to the first end of the resistor R13, the second end of the resistor R13 is connected to the ground, the first end of the resistor R14 is also connected to the second end of the resistor R12, the first end of the capacitor C8 is connected to the first end of the resistor R12, the second end of the capacitor C8 is connected to the ground, the first end of the resistor R8 is connected to the second end of the resistor R7, the second end of the resistor R8 is connected to the first end of the resistor R9, the second end of the resistor R9 is connected to the ground, the FB port of the chip BQ24105 is connected to the second end of the resistor R8. 5.The ARM server-based cloud streaming system of claim 3, wherein: The main power supply circuit (62) comprises a diode D5, the positive electrode of the diode D5 is connected to the second end of the fuse FU, and the second end of the diode D5 is connected to the load. 6.The ARM server-based cloud streaming system of claim 4, wherein: The control circuit (65) comprises a resistor R1, a resistor R2 and a PMOS tube; The first end of the resistor R1 is connected to the second end of the fuse FU, the second end of the resistor R1 is connected to the first end of the resistor R2, the second end of the resistor R2 is connected to the ground, the gate of the PMOS tube is connected to the second end of the resistor R1, the drain of the PMOS tube is connected to the positive electrode of the battery (64), and the source of the PMOS tube is connected to the load.

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