CN216486425U

CN216486425U - Blade server cross control device

Info

Publication number: CN216486425U
Application number: CN202123182758.6U
Authority: CN
Inventors: 刘龙; 高宏亮
Original assignee: Hangzhou Bingte Technology Co ltd
Current assignee: Hangzhou Bingte Technology Co ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-05-10
Anticipated expiration: 2031-12-17

Abstract

The utility model discloses a blade server cross control device, including microcontroller U1 that the model is STM32F103C8T6, be connected with microcontroller U1's serial port, and the model is MAX 3232's first receiving and dispatching communication chip U2 and second receiving and dispatching communication chip U3 to and be connected with microcontroller U1's serial port, and the model is the encryption chip U4 of ATSHA 204; serial port PB10, serial port PB11, serial port PB12, serial port PB13, serial port PB14, serial port PB15, serial port PB3 and serial port PB4 of microcontroller U1 correspond to the R1out pin, T1in pin, R2out pin and T2in pin of external transceiving communication chips U2 and U3 one by one; and a plurality of host switch signals are externally connected to a serial port of the microcontroller U1.

Description

Blade server cross control device

Technical Field

The utility model belongs to the technical field of blade server technique and specifically relates to a blade server cross control device.

Background

With the increasing demands of industries such as a rack-mounted workstation and a cloud game, a large number of servers and similar server hosts without BMC (baseboard management controller) out-of-band management hardware appear in a machine room. The hosts have no remote monitoring capability, the fans, the temperature and the like can be monitored only through Windows internal software, the monitoring capability is lost under the conditions of Windows abnormity, crash and the like, and risks such as overheating are easily caused.

Traditional BMC and mainboard integrated upgrading firmware are loaded down with trivial details, and there is the potential safety hazard in not upgrading, damages and will trade whole mainboard. The BMC is an independent system, and there is a possibility that a fault occurs, for example, a common network fault, so that the BMC cannot be used. The traditional BMC can only control one mainboard, and is not suitable for cloud game scenes of high-density rack-mounted workstations/servers.

Although prior art IPMI (intelligent platform management interface) can solve the problem of the conventional BMC, if network problem or IPMI itself is problematic, all blade nodes will lose monitoring capability.

Therefore, it is urgently needed to provide a blade server crossing control device which is simple in structure, flexible and reliable.

SUMMERY OF THE UTILITY MODEL

To the above problem, an object of the utility model is to provide a blade server cross control device, the utility model discloses a technical scheme as follows:

a blade server cross control device comprises a microcontroller U1 with the model number of STM32F103C8T6, a first transceiving communication chip U2 and a second transceiving communication chip U3 which are connected with a serial port of the microcontroller U1 and have the model number of MAX3232, an encryption chip U4 which is connected with a serial port of the microcontroller U1 and has the model number of ATSHA204, an interface P2 connected with the first transceiving communication chip U2 and an interface P3 connected with the second transceiving communication chip U3; the serial port PB10, the serial port PB11, the serial port PB12 and the serial port PB13 of the microcontroller U1 are connected with an R1out pin, a T1in pin, an R2out pin and a T2in pin of a first transceiving communication chip U2 in a one-to-one correspondence manner; the serial port PB14, the serial port PB15, the serial port PB3 and the serial port PB4 of the microcontroller U1 are connected with the pin R1out, the pin T1in, the pin R2out and the pin T2in of the second transceiving communication chip U3 in a one-to-one correspondence manner; and a plurality of host switch signals and host switch indicator light signals are externally connected to the serial port of the microcontroller U1.

Further, the blade server cross control device further comprises an interface P4 connected with the serial port PA9 and the serial port PA10 of the microcontroller U1 and used for expansion connection, wherein the interface P4 is an I2C communication interface.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses first receiving and dispatching communication chip U2 and second receiving and dispatching communication chip U3 have been set up ingeniously, and it is used for the level conversion and the protection of serial ports.

(2) The utility model discloses encrypted chip U4 has been set up ingeniously for this cross control device of protection only appoints the model available.

(3) The utility model discloses a set up a plurality of RS232 signals RX and TX by the mainboard USB conversion, mainly used mainboard and U1's communication.

(4) The utility model discloses a set up a plurality of PWR and PWR _ LED +, be arranged in monitoring mainboard switch, each mainboard operating system the virtual machine switch of operation, restart and state indication LED.

To sum up, the utility model has the advantages of simple structure, nimble reliable have very high practical value and spreading value in blade server technical field.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as a limitation of the scope of protection, and for those skilled in the art, other related drawings may be obtained from these drawings without inventive effort.

Fig. 1 is a schematic diagram of Test _ En Test mode interface according to the present invention.

Fig. 2 is a schematic diagram of an I2C interface of the present invention.

Fig. 3 is a schematic diagram of the host power supply and the LED interface of the present invention.

Fig. 4 is a schematic diagram of the power supply voltage stabilizing circuit of the present invention.

Fig. 5 is a schematic diagram of the encryption chip of the present invention.

Fig. 6 is a schematic diagram of a crystal oscillator circuit according to the present invention.

Fig. 7 is a schematic diagram of the first transceiving communication chip of the present invention.

Fig. 8 is a schematic diagram of a second transceiving communication chip according to the present invention.

Fig. 9 is a schematic diagram of an interface P2 according to the present invention.

Fig. 10 is a schematic diagram of an interface P3 according to the present invention.

Fig. 11 is a schematic diagram of a microcontroller according to the present invention.

Detailed Description

To make the objectives, technical solutions and advantages of the present application more clear, the present invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Examples

As shown in fig. 1 to 11, the present embodiment provides a blade server intersection control apparatus, which includes a microcontroller U1 of model STM32F103C8T6, a first transceiving communication chip U2 and a second transceiving communication chip U3 of model MAX3232 connected to a serial port of the microcontroller U1, an encryption chip U4 of model ATSHA204 connected to a serial port of the microcontroller U1, an interface P2 connected to the first transceiving communication chip U2, and an interface P3 connected to the second transceiving communication chip U3. It should be noted that the present embodiment is based on structural improvement, and does not improve a software program and a control method, and can be implemented by adopting a conventional manner and a combination of program segments, which is not described herein again.

In this embodiment, serial port PC13 and serial port PC14 are external to cryptographic chip U4, which is used to limit the need for a blade server crossover control device to be used in a given server.

In the present embodiment, the serial ports PA 0-PA 7 external PWR +, PWLED + interfaces of the motherboard. Serial port PB3, serial port PB4, serial port PB10, serial port PB11, serial port PB12, serial port PB13, serial port PB14, and serial port PB15 of microcontroller U1 of this embodiment correspond to 11, 10, 12, 9 of external U3 and U4 controllers one by one, and are connected to P2 and P3 interfaces by 14, 7, 13, 8.

The principle process of the present embodiment is briefly described as follows:

in this embodiment, the P2 and P3 interfaces are respectively connected to the transceiving communication chips U2 and U3 for level conversion, and then connected to the microcontroller U1, any host computer queries the Power state of other host computers by communicating with the microcontroller U1 through RS232, and the microcontroller U1 checks the Power _ LED + signal of the corresponding motherboard to determine whether the host computer is in the Power-on or Power-off state and returns the result to the sending request end. When the microcontroller U1 is connected to powers + of multiple motherboards, and the host is halted or shut down, any host sends a Power-on or Power-off command to the host, and the U1 determines the current Power state and then executes a corresponding operation, for example, a long-time low level is pulled for the Power + of the designated host to forcibly shut down the motherboard, and the Power state is checked again, and a command sending end result is returned.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and are not limitations on the protection scope of the present invention, but all the changes made by adopting the design principle of the present invention and performing non-creative work on this basis shall fall within the protection scope of the present invention.

Claims

1. A blade server cross control device is characterized by comprising a microcontroller U1 with the model number of STM32F103C8T6, a first transceiving communication chip U2 and a second transceiving communication chip U3 which are connected with a serial port of the microcontroller U1 and have the model number of MAX3232, an encryption chip U4 which is connected with a serial port of the microcontroller U1 and have the model number of ATSHA204, an interface P2 connected with the first transceiving communication chip U2 and an interface P3 connected with the second transceiving communication chip U3; the serial port PB10, the serial port PB11, the serial port PB12 and the serial port PB13 of the microcontroller U1 are connected with an R1out pin, a T1in pin, an R2out pin and a T2in pin of a first transceiving communication chip U2 in a one-to-one correspondence manner; the serial port PB14, the serial port PB15, the serial port PB3 and the serial port PB4 of the microcontroller U1 are connected with an R1out pin, a T1in pin, an R2out pin and a T2in pin of a second transceiving communication chip U3 in a one-to-one correspondence manner; and a plurality of host switch signals and host switch indicator light signals are externally connected to the serial port of the microcontroller U1.

2. The blade server crossover control of claim 1, further comprising an interface P4 for expansion connection to serial port PA9 and serial port PA10 of microcontroller U1.