CN115658439A - Intelligent case system based on ATCA - Google Patents
Intelligent case system based on ATCA Download PDFInfo
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- CN115658439A CN115658439A CN202211406565.0A CN202211406565A CN115658439A CN 115658439 A CN115658439 A CN 115658439A CN 202211406565 A CN202211406565 A CN 202211406565A CN 115658439 A CN115658439 A CN 115658439A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses an ATCA-based intelligent case system, which comprises a shell, a back plate, a power supply A, a power supply B, a left fan disc, a case management plate A, a service single plate, an exchange single plate, a case management plate B and a right fan disc, wherein the back plate, the power supply A, the power supply B, the left fan disc, the case management plate A, the service single plate, the exchange single plate, the case management plate B and the right fan disc are arranged in the shell. The invention adopts a national production scheme; the board card of the TCA specification can provide stronger and higher-performance computing capability, so that the performance of the whole system is more excellent and stable; and the hardware platform following the advanced intelligent management of the ATCA also ensures that the management of the whole system is more convenient and the efficiency is higher. In addition, the case power supply 1+1 is redundant and hot standby, hot plugging is supported, a case fan can automatically adjust the rotating speed according to the temperature of the board card, power consumption is reduced, and stable operation of the whole machine can be guaranteed.
Description
Technical Field
The invention relates to the technical field of ATCA, in particular to an ATCA-based intelligent case system.
Background
ATCA is an abbreviation for Advanced Telecom Computing Architecture. The ATCA standard is an advanced telecom computing platform, and is a new generation of mainstream industrial computing technology, namely CompactPCI standard, widely applied in the fields of telecom, aerospace, industrial control, medical equipment, intelligent transportation, military equipment and the like. The technical standard of the hardware framework ATCA based on the modular structure, compatibility and expandability is established by the PCIMG organization, and the mechanical structure, the board card type, the heat dissipation management, the power distribution and the system management are defined in the standard. The core idea of the ATCA standard is to use a high-speed interconnection backboard to replace a system-level bus, construct a complete multi-card-insertion type blade server hardware system, and perform centralized management and redundant backup of data/power supplies on each blade to realize multi-level reliability.
Disclosure of Invention
The invention aims to provide an ATCA-based intelligent case system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an intelligent machine case system based on ATCA, includes the casing and installs at inside backplate, power A, power B, left fan dish, quick-witted case management board A, business veneer, exchange veneer, quick-witted case management board B and the right fan dish of casing, power A, power B, left fan dish, quick-witted case management board A, business veneer, exchange veneer, quick-witted case management board B and right fan dish are connected respectively to the backplate.
As a further technical scheme of the invention: the left fan disc and the right fan disc are identical in structure and composed of a fan plate and a fan disc, the fan plate comprises a temperature sensor, a fan, a control circuit and a power circuit, the control circuit is respectively connected with the temperature sensor and the fan, the fan is powered by the power circuit, the control circuit is further connected with the case management plate through a connector, and the power circuit is a-48V redundant power supply.
As a further technical scheme of the invention: the fan board further comprises an Intelligent Platform Management Controller (IPMC) and a DC-DC module, wherein the IPMC is respectively connected with the connector, the DC-DC module, the temperature sensor and the fan, and the DC-DC module is also respectively connected with the power circuit and the connector.
As a further technical scheme of the invention: the fan plate is compatible with two control schemes of IPMC and no IPMC, and if the chassis management plate is not used, the IPMC is welded on the fan plate; if the chassis management board is used, the DC-DC and the IPMC are not welded, when the chassis management board is used, the chassis management board provides a PWM signal to the fan board to regulate and control the rotating speed of the fan, detects the rotating speed of the fan through the rotating speed acquisition pin of the fan, and manages the hot plugging of the fan board and the power supply state of a-48V power supply through the I2C bus.
As a further technical scheme of the invention: and the DC-DC module converts the voltage of-48V into the voltage of 3.3V and outputs the voltage to the intelligent platform management controller IPMC and the connector respectively.
As a further technical scheme of the invention: the fan board uses an ARM Cortex-M4 processor GD32F470I as the master microprocessor for the IPMC, with the GD32F470 providing PWM to regulate the speed of the fan.
As a further technical scheme of the invention: the fan board is powered by a-48V redundant power supply, the slow power-up of the fan board is controlled through a combined power supply controller JW7201 and a separation slow start circuit, meanwhile, the JW7201 monitors the power supply state of the-48V redundant power supply, and the DC-DC module is used for providing a 3.3V power supply for the fan board and outputting the power supply to the backboard to provide a 3.3V power supply for CDM, PEM and the like.
As a further technical scheme of the invention: the fan rotating speed is controlled by PWM provided by the GD32F470 and is output to each fan after optical coupling isolation, and the GD32F470 captures and collects the rotating speed of each fan through the 8-to-1 multiplexing chip 74LV 251.
As a further technical scheme of the invention: the temperature sensor adopts 3 temperature sensors SGM452 to detect the ambient temperature of the air inlet/outlet, wherein the upper fan frame detects the temperature of the air outlet, and the lower fan frame detects the temperature of the air inlet.
As a further technical scheme of the invention: the fan board also comprises an EEPROM for storing product information of the fan board.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts a national production scheme; the board card of the TCA specification can provide stronger and higher-performance computing capability, so that the performance of the whole system is more excellent and stable; and the hardware platform following the advanced intelligent management of the ATCA also ensures that the management of the whole system is more convenient and the efficiency is higher. In addition, the power supply 1+1 of the chassis is redundant and hot-standby, hot plugging is supported, the fan of the chassis can automatically adjust the rotating speed according to the temperature of the board card, power consumption is reduced, and stable operation of the whole machine can be ensured. The requirements of customers can be well met in the aspects of openness, economy, safety, reliability and expandability.
Drawings
Fig. 1 is a schematic block diagram of a complete machine module of the present invention.
Fig. 2 is a block schematic diagram of a fan plate.
Fig. 3 is a schematic view of the connection of two PCBA boards of the fan board.
Fig. 4 is a block diagram of a fan board with IPMC.
Fig. 5 is a block diagram of the fan plate without IPMC.
Fig. 6 is a plan view of the whole machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Example 1: referring to fig. 1, an ATCA-based intelligent chassis system includes a housing, and a backplane, a power supply a, a power supply B, a left fan tray, a chassis management board a, a service board, an exchange board, a chassis management board B, and a right fan tray installed inside the housing, where the backplane is connected to the power supply a, the power supply B, the left fan tray, the chassis management board a, the service board, the exchange board, the chassis management board B, and the right fan tray, respectively.
The above structure makes the design have the following characteristics:
1) Compatible with various blade boards meeting ATCA specifications, and the total height of the chassis provided with the direct current power supply module or the alternating current power supply module is 6U;
2) Providing 6 standard ATCA slots, 4 service board slots and 2 exchange board slots;
3) The heat dissipation capacity meets the requirements of 350W of each front card slot and 50W of each rear card slot;
4) Providing a filter screen which is convenient to replace;
5) Two power module interfaces are provided to realize the two-way independent-48 VDC power access;
6) Providing 1+1 redundant IPMB which can be configured to be Bus type or Radial type, default is Bus type;
7) The chassis backboard Fabric/Base channel adopts a double-star topology structure, the Fabric interface bandwidth is 40G, and the Base interface bandwidth is 1G;
8) 3 groups of synchronous clock buses are provided on the back plate so as to meet the requirements of SONET/SDH networks and synchronous Ethernet application;
9) A chassis DC power supply with-48V input or AC 220/110V and 50/60Hz; the alternating current and the direct current are provided with 1+1 backup design;
10 The direct current power supply has the functions of surge protection, EMI filtering, overcurrent protection and switch control;
11 The AC power supply has AC/DC conversion, surge protection, EMI filtering, overcurrent protection, overvoltage and undervoltage detection, hot plug control/indication, power state/alarm indication and switch control functions;
12 Class a conducted emission test requirements and CE/3C required low voltage command and EMC command requirements.
13 Provide two dedicated chassis management board slots, default chassis management boards are not used, and chassis management can be selected as required.
In embodiment 2, on the basis of embodiment 1, as shown in fig. 2, the left fan tray and the right fan tray of the design have the same structure and are both composed of a fan board and a fan tray, the fan board includes a temperature sensor, a fan, a control circuit and a power circuit, the control circuit is respectively connected with the temperature sensor and the fan, the fan is powered by the power circuit, the control circuit is also connected with the chassis management board through a connector, and the power circuit is a-48V redundant power supply.
The fan board is mainly used for managing hot plug of the fan frame, controlling the rotating speed of the fan, detecting the ambient temperature of the air inlet/outlet, detecting abnormal events (such as abnormal rotating speed of the fan) of the fan frame and the like.
The fan plate is designed according to the IPMC scheme, and the rotating speed of the fan is regulated and controlled through the ShMC integrated on the single plate of the Hub groove (or the Node groove); and a control interface without IPMC is reserved for the case management board, and if the case management board is used, PWM is output by the case management board to adjust the rotating speed of the fan, so that the hardware cost of the fan board is reduced. And the system is designed according to the requirement of platform modularization, and is directly applied to other ATCA chassis designed subsequently by increasing or deleting the number of fans.
The characteristics and indices of the fan plate are as follows:
inputting a power supply: -39-72V DC,1+1 redundant power supply;
input current: single fan max 0.84A, total current max 7A (8 fans);
supporting hot plug;
the overcurrent protection function is realized;
has the function of reverse connection prevention protection;
providing 1+1 redundant IPMB supporting full compatible fast mode (400 Kbit/s) and standard mode (100 Kbit/s);
providing 256bytes of EEPROM for fixedly recording product information of the fan plate during production;
supporting the detection of the ambient temperature of the air inlet/outlet of the case;
the regulation and control of the rotating speed of the fan through the ShMC are supported, and whether the fan is normal or not is detected;
can pass the requirements of CLASS A radiation limit value;
providing a 5-bit dial code for fan default rotating speed configuration;
and RS232 debugging serial ports are supported.
The fan plate is designed to be compatible with two control schemes of IPMC and no IPMC, and if the chassis management plate is not used, the IPMC is welded on the fan plate; if the chassis management board is used, the DC-DC and IPMC are not welded, thereby saving hardware cost. Wherein, no IPMC is a reserved control scheme. The block diagram of the fan board is shown in fig. 1, and the fan board mainly comprises circuit modules such as a-48V power supply, a DC-DC module, an IPMC module, a temperature sensor, a fan interface, and an ShMC management interface.
When the chassis management board is used, the chassis management board provides PWM signals for the fan board to regulate and control the rotating speed of the fan, detects the rotating speed of the fan through the rotating speed acquisition pin of the fan, manages hot plugging of the fan board and detects the power supply state of a-48V power supply through the I2C bus, and the like.
The fan board uses the ARM Cortex-M4 processor GD32F470I as the master microprocessor for the IPMC, PWM is provided by GD32F470 to regulate the fan speed, and the fan speed is monitored. The fan is a DC fan powered by 48V, and the rotating speed of the fan is controlled through PWM; the power is supplied through a-48V redundant power supply, and then 3.3V is output through a-48V to 3.3V DC-DC module to supply power to the IPMC.
The fan board uses the ARM Cortex-M4 processor GD32F470I as the master microprocessor of the IPMC, and the GD32F470 provides PWM to adjust the speed of the fan.
The block diagram of the IPMC functional fan board is shown in fig. 4, the IPMC uses an ARM processor GD32F470 as a main control microprocessor, and a debugging serial port is led out, but the debugging serial port is not led out to the fan frame panel, and is only used for research, development and production test.
In example 3, based on example 2, the performance of the fan board of the design is as follows:
1) Power supply input:
the fan plate is powered by a-48V redundant power supply, the slow power-up of the fan plate is controlled through the combined power supply controller JW7201 and the separation slow power-up circuit, and meanwhile the JW7201 can also monitor the power supply state of the-48V power supply. The DC-DC module is used for providing 3.3V power for the fan board and outputting the power to the back board to provide 3.3V power for CDM, PEM and the like.
2) Controlling a fan power supply:
the fan is powered by a 48V power supply, after the fan plate is powered on, the power supply of the fan is on by default, when the fan frame needs to be pulled out, the hot plug key generates an interrupt signal to the GD32F470, and then the GD32F470 turns off the power supply of the fan, so that the fan stops rotating, and the fan frame is prevented from being damaged by high-speed rotating fan blades when being pulled out.
3) Controlling a fan:
the rotating speed of the fan is controlled by providing PWM (pulse width modulation) by GD32F470, and the PWM is output to each fan after optical coupling isolation. The GD32F470 captures the rotational speed of each fan through the 1-out-of-8 multiplexing chip 74LV 251.
4) Plate position address:
the board bit address is coupled to the backplane through a tri-state buffer 74LVT244APW for identifying the upper or lower fan frame, wherein the tri-state buffer is used for hot-plug protection.
5) IPMB bus:
two I2C paths from the GD32F470 pass through the I2C hot plug buffer NCA9511 to the IPMB bus of the backplane, where I2C0 of the GD32F470 is connected to IPMB-A and I2C1 is connected to IPMB-B.
6) I2C bus:
I2C2 of GD32F470 is expanded into 4I 2 Cs by an I2C Switch chip NCA9545, wherein I2C-0 is used for accessing a fan board EEPROM, I2C-1 is used for a temperature sensor, I2C-2 and I2C-3 are respectively used for accessing CDM-A, CDM-B, and the problem that the I2C device of one module cannot be accessed when abnormal is avoided.
7) And (3) temperature detection:
the ambient temperature of the inlet/outlet air is detected by 3 temperature sensors SGM452, wherein the upper fan frame detects the temperature of the outlet air and the lower fan frame detects the temperature of the inlet air.
8)EEPROM：
The EEPROM uses BL24C02, and has 256Bytes of storage space for storing product information of the fan plate.
9) PEM module interface:
the PEM module interface is compatible with various interface types such as I2C, UARAT, CAN, RS485 and the like, and is selectively welded through BOM.
The related elements in the invention are annotated as follows:
IPMB: an intelligent platform management bus;
IPMC: an intelligent platform management controller;
UART: a serial port bus;
I2C bus: the I2C bus is a simple, bi-directional two-wire synchronous serial bus developed by Philips corporation. It only requires two wires to transmit information between devices connected to the bus;
I2C _ SDA: an I2C data signal line;
I2C _ SCL: an I2C control signal line;
I2C Switch is an I2C Switch;
I2C-I/O, I2C input and output;
EEPROM is electrically erasable and programmable read-only memory;
temp Sensor: a temperature sensor;
fan _ PWM: a fan speed control signal;
fan _ Tach: a fan speed detection signal;
MOS: a field effect transistor;
GND: to the backplane GND (logical ground);
HA [1:0]:2bit slot address, HA7: an odd check position; hanging on the backboard represents "1", and connecting to GND represents "0";
present _ Out: in-place signals connected to CMM-A, CMM-B and another fan board;
present _ IN: the other side fan board is connected to CMM-A, CMM-B and the other fan board in the on-position signal;
CDM _ WP the data block write protection signal.
The invention realizes nationwide production of ATCA 6S6U case components for the first time, is a high-reliability communication computing platform of a new generation of industrial computer, a blade server and network communication equipment, and comprises a case, a back plate, a power supply module, a case management module, a pluggable fan disc and the like.
Following the technical specification of PICMG 3.0R 2.0, adopting IEEE 1101.1/10/11 and IEC-60297-1/2 standard 19 inch case structure, providing 2 Fabric switching slots and 4 Node service slots. Between Fabric slot and Node slot, Z can support 4 40Gbps Fabric channels, and it adopts double star topology structure to realize high speed data interconnection through backboard. The ATCA service data integrated circuit board can form a complete system together with various ATCA service data integrated circuit boards, and an application platform is quickly constructed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides an intelligence machine case system based on ATCA, includes the casing and installs at inside backplate, power A, power B, left fan dish, quick-witted case management board A, business veneer, exchange veneer, quick-witted case management board B and the right fan dish of casing, its characterized in that, power A, power B, left fan dish, quick-witted case management board A, business veneer, exchange veneer, quick-witted case management board B and right fan dish are connected respectively to the backplate.
2. The ATCA-based intelligent case system according to claim 1, wherein the left fan tray and the right fan tray have the same structure and are both composed of a fan board and a fan tray, the fan board comprises a temperature sensor, a fan, a control circuit and a power circuit, the control circuit is respectively connected with the temperature sensor and the fan, the fan is powered by the power circuit, the control circuit is further connected with the case management board through a connector, and the power circuit is a-48V redundant power supply.
3. The ATCA-based intelligent chassis system according to claim 2, wherein the fan board further comprises an Intelligent Platform Management Controller (IPMC) and a DC-DC module, the IPMC being connected to the connector, the DC-DC module, the temperature sensor and the fan respectively, and the DC-DC module being further connected to the power circuit and the connector respectively.
4. The ATCA-based intelligent chassis system according to claim 3, wherein the fan board is compatible with both IPMC and IPMC-free control schemes, and if the chassis management board is not used, the fan board welds the IPMC; if the chassis management board is used, the DC-DC and the IPMC are not welded, when the chassis management board is used, the chassis management board provides a PWM signal to the fan board to regulate and control the rotating speed of the fan, detects the rotating speed of the fan through the rotating speed acquisition pin of the fan, and manages the hot plugging of the fan board and the power supply state of a-48V power supply through the I2C bus.
5. The ATCA-based intelligent chassis system according to claim 3, wherein the DC-DC module converts a voltage of-48V to a voltage of 3.3V for output to the intelligent platform management controller IPMC and the connector, respectively.
6. The ATCA-based intelligent case system of claim 3, wherein the fan board uses an ARM Cortex-M4 processor GD32F470I as the main control microprocessor of the IPMC, and the GD32F470 provides PWM to adjust the speed of the fan.
7. The ATCA-based intelligent chassis system according to claim 3, wherein the fan board is powered by a-48V redundant power supply, the slow power-up of the fan board is controlled by a combined power supply controller JW7201 and a separated slow start circuit, the JW7201 monitors the power supply state of the-48V redundant power supply, and the DC-DC module is used for providing a 3.3V power supply for the fan board and outputting the power supply to the backplane to provide a 3.3V power supply for CDM, PEM and the like.
8. The ATCA-based intelligent case system according to claim 3, wherein the fan rotation speed is controlled by PWM supplied by GD32F470 and is output to each fan after optical coupling isolation, and GD32F470 captures and collects the rotation speed of each fan through an 8-to-1 multiplexing chip 74LV 251.
9. The ATCA-based intelligent chassis system according to claim 3, wherein the temperature sensor employs 3 SGM452 to detect the ambient temperature of the inlet/outlet, wherein the upper fan frame detects the temperature of the outlet and the lower fan frame detects the temperature of the inlet.
10. The ATCA-based intelligent chassis system according to claim 3, wherein the fan board further comprises an EEPROM for storing product information of the fan board.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211406565.0A CN115658439A (en) | 2022-11-10 | 2022-11-10 | Intelligent case system based on ATCA |
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| CN202211406565.0A CN115658439A (en) | 2022-11-10 | 2022-11-10 | Intelligent case system based on ATCA |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115981441A (en) * | 2023-03-21 | 2023-04-18 | 湖南博匠信息科技有限公司 | Advanced telecommunication computing architecture case assembly and case based on double star topology |
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- 2022-11-10 CN CN202211406565.0A patent/CN115658439A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115981441A (en) * | 2023-03-21 | 2023-04-18 | 湖南博匠信息科技有限公司 | Advanced telecommunication computing architecture case assembly and case based on double star topology |
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