阅读说明：本技术 一种本安型万兆三层交换机分步式上电方法及系统 (Step-by-step power-on method and system for intrinsic safety type ten-gigabit three-layer switch ) 是由 熊伟 李耀军 于 2019-09-17 设计创作，主要内容包括：本发明属于万兆三层交换机技术领域,公开了一种本安型万兆三层交换机分步式上电方法,包括：电源缓启动电路上电,经过本安型DC-DC电源及本安二次保护电路给本安分步上电管理系统及万兆交换核心电路供电；万兆交换核心电路上电完成初始化之后,本安分步上电管理系统分别进行分步上电。此外,还公开了相应的上电系统。本发明能够实现分步式上电,减小冲击电流。(The invention belongs to the technical field of a trillion three-layer switch, and discloses a step-by-step power-on method of an intrinsic safety type trillion three-layer switch, which comprises the following steps: the power supply slow starting circuit is powered on, and the intrinsic safety step-by-step power-on management system and the ten-gigabit switching core circuit are powered through the intrinsic safety type DC-DC power supply and the intrinsic safety secondary protection circuit; after ten thousand million exchange core circuits are electrified and initialized, the intrinsically safe step-by-step electrification management system is respectively electrified step by step. In addition, a corresponding power-on system is also disclosed. The invention can realize step-by-step power-on and reduce impact current.)

1. a step-by-step power-on method for an intrinsic safety type ten-gigabit three-layer switch is characterized by comprising the following steps:

the power supply slow starting circuit is powered on, and the intrinsic safety step-by-step power-on management system and the ten-gigabit switching core circuit are powered through the intrinsic safety type DC-DC power supply and the intrinsic safety secondary protection circuit;

after ten thousand million exchange core circuits are electrified and initialized, the intrinsic safety step-by-step electrification management system respectively carries out step-by-step electrification:

the intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; then, the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; finally, the intrinsic safety step-by-step power-on management system powers on a power consumption device power supply, and after the power consumption device power supply is powered on, power consumption devices in the system are powered on;

Or the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; then, the intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; and finally, the intrinsic safety step-by-step power-on management system powers on the power consumption device power supply, and the power consumption device power supply powers on the power consumption devices in the system after being powered on.

2. The utility model provides a ten thousand million of trilocular switches of intrinsic safety formula system of powering up step by step which characterized in that includes: the system comprises a power supply slow starting circuit, an intrinsic safety type DC-DC power supply, an intrinsic safety secondary protection circuit, a tera switching core circuit, an intrinsic safety step-by-step power-on management system, an SFP step-by-step power-on circuit, an SFP power supply, a PHY power supply, a power consumption device power supply, an SFP group and an RJ45 group; the power supply slow starting circuit is connected with an intrinsic safety secondary protection circuit through an intrinsic safety type DC-DC power supply, the intrinsic safety secondary protection circuit is respectively connected with a tera switching core circuit and an intrinsic safety step-by-step power-on management system, the tera switching core circuit is connected with the intrinsic safety step-by-step power-on management system, the tera switching core circuit is connected with an SFP group, the intrinsic safety step-by-step power-on management system is respectively connected with an SFP power supply, a PHY power supply and a power consumption device power supply, the PHY power supply is connected with an RJ45 group, and the SFP power supply is connected with the SFP group through the SFP step-;

The power supply slow starting circuit is powered on, and the intrinsic safety step-by-step power-on management system and the ten-gigabit switching core circuit are powered through the intrinsic safety type DC-DC power supply and the intrinsic safety secondary protection circuit;

after ten thousand million exchange core circuits are electrified and initialized, the intrinsic safety step-by-step electrification management system respectively carries out step-by-step electrification:

The intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; then, the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; finally, the intrinsic safety step-by-step power-on management system powers on a power consumption device power supply, and after the power consumption device power supply is powered on, power consumption devices in the system are powered on;

Or the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; then, the intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; and finally, the intrinsic safety step-by-step power-on management system powers on the power consumption device power supply, and the power consumption device power supply powers on the power consumption devices in the system after being powered on.

Technical Field

The invention belongs to the technical field of a trillion three-layer switch, and particularly relates to a step-by-step power-on method and system for an intrinsic safety type trillion three-layer switch.

background

the coal mine comprehensive automation is the guarantee of high yield, high efficiency and safe production of the coal mine, and the coal mine underground network platform is the basis for realizing the coal mine comprehensive automation. At present, industrial Ethernet is established in many coal mines in China and is used for monitoring underground coal mining equipment and underground environmental parameters; but mainly adopts a mixed network mode of hundred mega and giga (hundred mega downlink and giga uplink group ring).

The disadvantages of the existing underground Ethernet switch are mainly reflected in the following points:

1. Data exchange is generally mainly in a data link layer, with the development of the underground communication monitoring technology and the increase of equipment, the data volume to be transmitted is also increased rapidly, and the traditional two-layer forwarding technology cannot meet the requirements of modern underground communication.

2. due to the requirement of explosion-proof intrinsic safety, an intrinsic safety power supply used underground has clear requirements on the power consumption of the whole machine and the starting impact current (GB3836.4 intrinsic safety explosion-proof standard). The traditional two-layer switching chip is generally low in power consumption (about 5-10W) and is provided with a peripheral circuit, and the power consumption generally does not exceed 15W, namely the intrinsic safety power supply single-path output power.

3. With the development of communication technology, single exchange chips have more and more integrated functions and larger power consumption, the power consumption of the mainstream tera three-layer exchange chip in the market is generally larger than 8W at present, and in addition, the power consumption of the SDK initialization during system starting, the power consumption of a peripheral circuit, a PHY chip, an optical module and the like, the system starting power consumption generally exceeds the national standard requirement of intrinsic safety, and the intrinsic safety power supply for external power supply directly triggers intrinsic safety protection. This problem severely restricts the use of most trillion triple-layer switches downhole.

disclosure of Invention

the embodiment of the invention aims to provide a step-by-step power-on method and a step-by-step power-on system for an intrinsic safety type ten-gigabit three-layer switch, which can realize step-by-step power-on and reduce impact current.

The embodiment of the invention is realized as follows:

a step-by-step power-on method for an intrinsic safety type ten-gigabit three-layer switch comprises the following steps:

The power supply slow starting circuit is powered on, and the intrinsic safety step-by-step power-on management system and the ten-gigabit switching core circuit are powered through the intrinsic safety type DC-DC power supply and the intrinsic safety secondary protection circuit;

after ten thousand million exchange core circuits are electrified and initialized, the intrinsic safety step-by-step electrification management system respectively carries out step-by-step electrification:

the intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; then, the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; finally, the intrinsic safety step-by-step power-on management system powers on a power consumption device power supply, and after the power consumption device power supply is powered on, power consumption devices in the system are powered on;

or the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; then, the intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; and finally, the intrinsic safety step-by-step power-on management system powers on the power consumption device power supply, and the power consumption device power supply powers on the power consumption devices in the system after being powered on.

a ten thousand million three-layer switches of this ampere type are system of power on step by step, include: the system comprises a power supply slow starting circuit, an intrinsic safety type DC-DC power supply, an intrinsic safety secondary protection circuit, a tera switching core circuit, an intrinsic safety step-by-step power-on management system, an SFP step-by-step power-on circuit, an SFP power supply, a PHY power supply, a power consumption device power supply, an SFP group and an RJ45 group; the power supply slow starting circuit is connected with an intrinsic safety secondary protection circuit through an intrinsic safety type DC-DC power supply, the intrinsic safety secondary protection circuit is respectively connected with a tera switching core circuit and an intrinsic safety step-by-step power-on management system, the tera switching core circuit is connected with the intrinsic safety step-by-step power-on management system, the tera switching core circuit is connected with an SFP group, the intrinsic safety step-by-step power-on management system is respectively connected with an SFP power supply, a PHY power supply and a power consumption device power supply, the PHY power supply is connected with an RJ45 group, and the SFP power supply is connected with the SFP group through the SFP step-;

The power supply slow starting circuit is powered on, and the intrinsic safety step-by-step power-on management system and the ten-gigabit switching core circuit are powered through the intrinsic safety type DC-DC power supply and the intrinsic safety secondary protection circuit;

After ten thousand million exchange core circuits are electrified and initialized, the intrinsic safety step-by-step electrification management system respectively carries out step-by-step electrification:

The intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; then, the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; finally, the intrinsic safety step-by-step power-on management system powers on a power consumption device power supply, and after the power consumption device power supply is powered on, power consumption devices in the system are powered on;

or the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; then, the intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; and finally, the intrinsic safety step-by-step power-on management system powers on the power consumption device power supply, and the power consumption device power supply powers on the power consumption devices in the system after being powered on.

The embodiment of the invention provides a design method of an intrinsic safety trillion three-layer switch meeting the GB3836.4 intrinsic safety explosion-proof standard through an intrinsic safety step-by-step power-on management system and a corresponding management and control circuit, and solves the problem of intrinsic safety power supply overcurrent protection caused by that the intrinsic safety power supply overcurrent protection is caused by that the intrinsic safety power consumption of the trillion switch is too large and the impact current exceeds the intrinsic safety range when the switch is started. The invention can be widely applied to the design of a tera exchange chip in the intrinsic safety environment, or the step-by-step power-on design of a multi-optical-port high-power exchanger, or the secondary development and use of mine coal communication equipment manufacturers. Through the intrinsic safety step-by-step power-on management system, the problem of intrinsic safety power supply overcurrent protection caused by overlarge power consumption of ten-trillion three-layer switches during starting is solved; through the power-on time sequence with controllable load, the impact current generated when power devices are powered on for the switch optical module group, the PHY group and the like is reduced.

Drawings

FIG. 1 is a schematic diagram of a step-by-step power-on system of an intrinsically safe trillion three-layer switch of the present invention;

fig. 2 is a schematic diagram of a gigabit switch core circuit of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The invention relates to a trillion three-layer switch, in particular to an intrinsic safety type trillion three-layer switch for working condition information transmission of underground electromechanical equipment of a coal mine, which solves the problem of intrinsic safety power supply overcurrent protection caused by overlarge starting power consumption of the trillion three-layer switch through an intrinsic safety step-by-step power-on management system; through the power-on time sequence with controllable load, the impact current generated when power devices are powered on for the switch optical module group, the PHY group and the like is reduced.

the following detailed description of specific implementations of the present invention is provided in conjunction with specific embodiments:

as shown in fig. 1 and fig. 2, a method for step-by-step powering up an intrinsically safe trilevel switch includes:

the power supply slow starting circuit is powered on, and the intrinsic safety step-by-step power-on management system and the ten-gigabit switching core circuit are powered through the intrinsic safety type DC-DC power supply and the intrinsic safety secondary protection circuit;

After ten thousand million exchange core circuits are electrified and initialized, the intrinsic safety step-by-step electrification management system respectively carries out step-by-step electrification:

The intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; then, the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; finally, the intrinsic safety step-by-step power-on management system powers on a power consumption device power supply, and after the power consumption device power supply is powered on, power consumption devices in the system are powered on;

Or the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; then, the intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; and finally, the intrinsic safety step-by-step power-on management system powers on the power consumption device power supply, and the power consumption device power supply powers on the power consumption devices in the system after being powered on.

a ten thousand million three-layer switches of this ampere type are system of power on step by step, include: the system comprises a power supply slow starting circuit, an intrinsic safety type DC-DC power supply, an intrinsic safety secondary protection circuit, a tera switching core circuit, an intrinsic safety step-by-step power-on management system, an SFP step-by-step power-on circuit, an SFP power supply, a PHY power supply, a power consumption device power supply, an SFP group and an RJ45 group; the power supply slow starting circuit is connected with an intrinsic safety secondary protection circuit through an intrinsic safety type DC-DC power supply, the intrinsic safety secondary protection circuit is respectively connected with a tera switching core circuit and an intrinsic safety step-by-step power-on management system, the tera switching core circuit is connected with the intrinsic safety step-by-step power-on management system, the tera switching core circuit is connected with an SFP group, the intrinsic safety step-by-step power-on management system is respectively connected with an SFP power supply, a PHY power supply and a power consumption device power supply, the PHY power supply is connected with an RJ45 group, and the SFP power supply is connected with the SFP group through the SFP step-;

the power supply slow starting circuit is powered on, and the intrinsic safety step-by-step power-on management system and the ten-gigabit switching core circuit are powered through the intrinsic safety type DC-DC power supply and the intrinsic safety secondary protection circuit;

After ten thousand million exchange core circuits are electrified and initialized, the intrinsic safety step-by-step electrification management system respectively carries out step-by-step electrification:

The intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; then, the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; finally, the intrinsic safety step-by-step power-on management system powers on a power consumption device power supply, and after the power consumption device power supply is powered on, power consumption devices in the system are powered on;

or the intrinsic safety step-by-step power-on management system powers on the SFP power supply, after the SFP power supply is powered on, the SFP step-by-step power-on circuit is powered on, and the SFP step-by-step power-on circuit respectively powers on all the SFP optical modules in the SFP group step by step; then, the intrinsic safety step-by-step power-on management system powers on the PHY power supply, and after the PHY power supply is powered on, the RJ45 group is powered on; and finally, the intrinsic safety step-by-step power-on management system powers on the power consumption device power supply, and the power consumption device power supply powers on the power consumption devices in the system after being powered on.

Wherein, the PHY: port Physical Layer, SFP: SMALL FORM PLUGGABLE or Small FORM-factor Pluggable, namely: the small hot-pluggable optical transceiver module has the advantages that power consumption device units in the system include but are not limited to an LED lamp group circuit, a serial port and other auxiliary function circuits, an I2C expansion circuit and the like.

In fig. 2, the trillion switching CORE circuit includes a trillion switching chip, a processor unit, a CLK (clock), an SDRAM (memory), a FLASH memory, a RESET (RESET) and a CORE POWER, where the RESET is used to provide a RESET function of the processor unit and the trillion switching chip, the CLK is used to provide a timing function, the SDRAM and the FLASH are used to provide a storage function, the CORE POWER is used to supply POWER to the trillion switching chip and the processor unit, the trillion switching chip is used for a data switching transmission function, and the processor unit is used for a data processing function.

The invention discloses a step-by-step power-on system of an intrinsic safety type trillion three-layer switch, which comprises a power supply slow starting circuit, an intrinsic safety type DC-DC power supply, an intrinsic safety secondary protection circuit, a trillion three-layer switching core circuit (trillion switching core circuit), an intrinsic safety step power-on management system, an SFP step power-on circuit, an SFP power supply, a PHY power supply management and control circuit (PHY power supply), a large-power-consumption device power-on management and control circuit (power consumption device power supply), an optical module group (SFP group), an RJ45 group and the like, and the principle is as follows:

1. The intrinsic safety power supply supplies power to the system through the power supply slow starting circuit and the intrinsic safety type DC-DC voltage reduction circuit and the intrinsic safety secondary protection circuit.

2. the intrinsic safety step-by-step power-on management system divides the whole power supply network into ten-trillion three-layer switching core circuits, SFP groups, PHY groups, power consumption device groups and the like in sequence. The tera three-layer switching core circuit refers to a tera three-layer switching circuit and functional units necessary for starting the same, and is shown in fig. 2.

3. After the ten-gigabit three-layer switching core circuit is powered on and initialized, the multi-step power-on management system sequentially supplies power to the PHY group, the SFP group, the power consumption devices and other power consumption groups, as shown in fig. 1. Such a regulating circuit includes, but is not limited to, one or more power consumption groups. While not being limited to one or more expanded controllable IOs.

4. after the PHY is powered on, the tera three-layer switching core circuit performs initialization configuration operation on the PHY by reading the power-on information of the PHY.

5. After the SFP power supply management and control circuit is turned on, the SFP optical modules are powered on one by one through the SFP step-by-step power-on circuit, and impact current influence of power-on of the optical modules on the intrinsic safety power supply is reduced as much as possible.

6. and recording and storing the configured port information, carrying out self-checking on the peripheral circuit, and starting the three-layer switching forwarding function of the switch after the self-checking is free of problems.

In summary, by the step-by-step power-on management system, the whole power network is divided into a tera three-layer switching core circuit, an optical module group, a PHY group, and the like, including but not limited to the above power consumption functional units; through the step-by-step power-on management system, a ten-gigabit three-layer switching core circuit is started preferentially, and after the system initialization is finished, the power is supplied to a peripheral power consumption unit circuit through the control of a CPU; through the SFP step-by-step power-on technology, the plurality of the SFP optical modules after the tube control are powered on step by step, and the influence of impact current on the intrinsic safety power supply is effectively reduced.

in the embodiment of the invention, through the intrinsic safety step-by-step power-on management system, the trillion layer switch circuit is decomposed into the trillion switching core circuit, the SFP optical module group, the PHY group, the power consumption device group and the like, power is preferentially supplied to the trillion switching circuit through a certain power-on sequence, the power is sequentially supplied to the peripheral power consumption circuits such as the optical module group, the PHY group and the like after the initialization of the trillion switching circuit is completed, the influence of the system starting impact current on the intrinsic safety power supply is reduced to the maximum extent, and intrinsic safety protection caused by overlarge impact current is avoided when the system is started.

The above description is only exemplary of the present invention and should not be taken as limiting the invention, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.