CN103888270A - Interchanger power-on/power-off time sequence control system and method - Google Patents
Interchanger power-on/power-off time sequence control system and method Download PDFInfo
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- CN103888270A CN103888270A CN201410114275.8A CN201410114275A CN103888270A CN 103888270 A CN103888270 A CN 103888270A CN 201410114275 A CN201410114275 A CN 201410114275A CN 103888270 A CN103888270 A CN 103888270A
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Abstract
The invention provides an interchanger power-on/power-off time sequence control system and method. The interchanger power-on/power-off time sequence control system comprises a controller module and a plurality of power modules connected with the controller module. The method includes the steps that the controller module sends a power-on signal or a power-off signal to the enabled end of one power module; when receiving the power-on signal or the power-off signal, the power module outputs voltage or stop outputting voltage and feeds the signal back to the controller module; after the controller module receives the signal, the steps are repeated for the next power module after certain time delay until all the power modules output voltage or stop outputting voltage. The controller module is adopted to control the power modules to work, so that the power-on/power-off time sequence is accurately controlled, and time delay can reach the microsecond level.
Description
Technical field
The present invention relates to power on/power-off sequential of control method and the switch control system of electrifying timing sequence, interval time and the power-off sequential of switch mainboard.
Background technology
In the design of Ethernet switch mainboard, for ensureing normally powering on of system, and can normally reliablely and stablely work, must control the electrifying timing sequence of power supply, the interval that powers on, power-off sequential.Otherwise can affect working life and the system works stability of chip.
In the prior art, the method for control electrifying timing sequence mainly contains following several:
1, adopt special electrifying timing sequence control chip, set according to the electric sequence of special power supply electrifying timing controller, Dui Ge road voltage is opened control.Adopt special control chip to be limited to the input voltage size of control chip, passage way etc. cannot all be suitable in various environment, and also cannot prevent that the electric current that each road conflict sequential causes from pouring in down a chimney phenomenon.
2, adjust power supply soft-start circuit time constant, situation about being provided by the power module of each separation for multiple power supplies, each power module adopts the order that powers on of the soft-start circuit control out-put supply separating.The method is because start-up time and the power-on time of each module are different, and the set time parameter of soft-start circuit can not be applicable to the power module of different manufacturers, and controllability is poor.
Summary of the invention
The technical problem that the present invention need solve is to provide a kind of power on/power-off sequential of the switch that can accurately control control system.
For solving above-mentioned technical problem, the present invention has designed power on/power-off sequential of a kind of switch control system, and it comprises controller module and the multiple power modules that are connected with controller module; The power or power-down of controller module control power module, and for postponing one required period between adjacent power module.
Further improve as the present invention, described controller module comprises electric control module, power down control module, time delay module, Enable Pin control module and signal acquisition module; The Enable Pin that upper electric control module control Enable Pin control module is power module sends power on signal; The Enable Pin that power down control module control Enable Pin control module is power module sends power-off signal; Signal acquisition module gathers after the signal of the normal signal of power module Voltage-output or Non voltage output, by the supreme electric control module of normal described Voltage-output signal feedback, or by the signal feedback of described Non voltage output to power down control module; After the one required period of time delay module time delay, it is that the Enable Pin of next power module sends respectively power on signal or power-off signal that upper electric control module or power down control module are controlled Enable Pin control module again.
Further improve as the present invention, described controller module is Programmadle logic device.
Further improve as the present invention, described power module is DC converting module.
The present invention also provides a kind of switch power-on time sequence control method, comprises the following steps:
Step 1: controller module is sent out power on signal to power module Enable Pin;
Step 2: power module is received output voltage after power on signal, and feeds back to the normal signal of controller module Voltage-output;
Step 3: controller module postponed after one required period, then be that next power module repeats above each step, to the equal output voltage of each power module.
The present invention also provides a kind of switch power-on time sequence control method, comprises the following steps:
Step 1: controller module is sent out power-off signal to power module Enable Pin;
Step 2: power module stops output voltage after receiving power-off signal, and feed back to the signal of controller module Non voltage output;
Step 3: controller module postponed after one required period, then be that next power module repeats above each step, extremely each power module all stops output voltage,
The present invention adopts the work of controller module control power module, realizes the accurate control of power on/power-off sequential, and the time of delay can reach Microsecond grade.
Brief description of the drawings
Fig. 1 is the structure chart of power on/power-off sequential of switch of the present invention control system;
Fig. 2 is the structure chart of controller module of the present invention.
Embodiment
In order to make relevant technical staff in the field understand better technical scheme of the present invention, below in conjunction with the accompanying drawing of embodiment of the present invention, technical scheme in embodiment of the present invention is clearly and completely described, obviously, described execution mode is only the present invention's part execution mode, instead of whole execution modes.
The invention provides power on/power-off sequential of a kind of switch control system, can accurately control powering on and power-off sequential of switch internal electric source.
As shown in Figure 1, power on/power-off sequential of switch of the present invention control system comprises controller module and multiple power module.In the present embodiment, the quantity of power module is 3, as shown in Figure 1 power module 1, power module 2 and power module 3; But the quantity of described power module is not limited to this quantity, can carry out relative set according to the quantity of switch mainboard load.Power module is DC converting module, and on switch mainboard, power module is generally 12VDC-5VDC direct current Switching Module, output 5V direct voltage.Each power module is connected by GPIO port with controller module.
Described controller module is Programmadle logic device, also can be programmable gate array, and it powers on and power-off sequential for realizing control power module.Concrete step is:
1, controller module is sent out power on signal or power-off signal to power module Enable Pin.
2, output voltage after power module is received power on signal, and feed back to the normal signal of controller module Voltage-output (Power good); After power module is received power-off signal, stop output voltage, and feed back to controller module Non voltage output signal.
3, controller module is being received after the signal of the normal signal of Voltage-output or Non voltage output, postpone after one required period, send out power on signal or power-off signal to again next power module Enable Pin, repeat above each step, all complete to power on accordingly operating or corresponding power-down operation to whole power modules.
In the present invention, preferably in execution mode, controller module of the present invention comprises electric control module, power down control module, time delay module, Enable Pin control module and signal acquisition module.
Upper electric control module and power down control module are controlled respectively Enable Pin control module, and making Enable Pin control module is that the Enable Pin of power module sends respectively power on signal or power-off signal.That is, the Enable Pin that is power module by Enable Pin control module by upper electric control module is sent power on signal, controls powering on of power module; The Enable Pin that is power module by Enable Pin control module by power down control module is sent power-off signal, controls the power down of power module.
Signal acquisition module gathers after the signal of the normal signal of power module Voltage-output or Non voltage output, respectively the upper electric control module of feedback or power down control module.In the time that signal acquisition module receives the normal signal of Voltage-output, feed back to electric control module; In the time that signal acquisition module receives the signal of Non voltage output, feed back to power down control module.
After the one required period of time delay module time delay, it is that the Enable Pin of next power module sends respectively power on signal or power-off signal that upper electric control module or power down control module are controlled Enable Pin control module again.
In the present embodiment, the concrete steps that power on for switch mainboard comprise: upper electric control module is by sending out power on signal to power module to Enable Pin control module, power module starts working, output voltage signal is to load, and send the normal signal of Voltage-output to signal acquisition module, signal acquisition module feeds back to electric control module again, by Postponement module time delay a period of time, upper electric control module continues to send out power on signal again to next power module, can accurately determine the time of delay in the middle of this.
Similarly, the concrete steps of turning off power supply for switch mainboard comprise: power down control module is by sending out power-off signal to power module to Enable Pin control module, power module quits work, stop output voltage signal to load, and the signal that sends Non voltage output is to signal acquisition module, signal acquisition module feeds back to power down control module again, by Postponement module time delay a period of time, power down control module continues to send out power-off signal again to next power module, also can accurately determine the time of delay in the middle of this.
The present invention adopts the work of controller module control power module, realizes the accurate control of power on/power-off sequential, and the time of delay can reach Microsecond grade.
Below only expressed one embodiment of the present invention, it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (6)
1. power on/power-off sequential of a switch control system, is characterized in that, comprises controller module and the multiple power modules that are connected with controller module; The power or power-down of controller module control power module, and for postponing one required period between adjacent power module.
2. power on/power-off sequential of switch according to claim 1 control system, is characterized in that, described controller module comprises electric control module, power down control module, time delay module, Enable Pin control module and signal acquisition module; The Enable Pin that upper electric control module control Enable Pin control module is power module sends power on signal; The Enable Pin that power down control module control Enable Pin control module is power module sends power-off signal; Signal acquisition module gathers after the signal of the normal signal of power module Voltage-output or Non voltage output, by the supreme electric control module of normal described Voltage-output signal feedback, or by the signal feedback of described Non voltage output to power down control module; After the one required period of time delay module time delay, it is that the Enable Pin of next power module sends respectively power on signal or power-off signal that upper electric control module or power down control module are controlled Enable Pin control module again.
3. power on/power-off sequential of switch according to claim 2 control system, is characterized in that, described controller module is Programmadle logic device.
4. power on/power-off sequential of switch according to claim 1 control system, is characterized in that, described power module is DC converting module.
5. a switch power-on time sequence control method, is characterized in that, comprises the following steps:
Step 1: controller module is sent out power on signal to power module Enable Pin;
Step 2: power module is received output voltage after power on signal, and feeds back to the normal signal of controller module Voltage-output;
Step 3: controller module postponed after one required period, then be that next power module repeats above each step, to the equal output voltage of each power module.
6. switch power-off sequential control method according to claim 1, is characterized in that,
Step 1: controller module is sent out power-off signal to power module Enable Pin;
Step 2: power module stops output voltage after receiving power-off signal, and feed back to the signal of controller module Non voltage output;
Step 3: controller module postponed after one required period, then be that next power module repeats above each step, extremely each power module all stops output voltage.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104238627A (en) * | 2014-09-05 | 2014-12-24 | 浪潮电子信息产业股份有限公司 | Method for realizing server power-on/off sequential control by using hardware circuit |
| CN105843136A (en) * | 2016-05-30 | 2016-08-10 | 南京国电南自美卓控制系统有限公司 | Circuit for controlling power up-down sequence of multi-channel power supply of processor and control method |
| CN105854188A (en) * | 2016-04-29 | 2016-08-17 | 深圳天基权健康科技集团股份有限公司 | Semiconductor laser treating device with multiple power supply modes and power-supply control method |
| CN107749666A (en) * | 2017-10-27 | 2018-03-02 | 天津津航计算技术研究所 | Electric control system and control method in a kind of SUAV photoelectric nacelle delay |
| CN109582115A (en) * | 2018-11-01 | 2019-04-05 | 山东超越数控电子股份有限公司 | The structure and method of server power system stability are ensured based on CPLD |
| CN110231862A (en) * | 2018-03-06 | 2019-09-13 | 佛山市顺德区顺达电脑厂有限公司 | Server system and its method with power-down protection |
| CN114865449A (en) * | 2022-04-30 | 2022-08-05 | 无锡迈微光电科技有限公司 | Apparatus for driving laser diode linear power |
| TWI792815B (en) * | 2021-12-29 | 2023-02-11 | 技嘉科技股份有限公司 | Control method and device for powering timing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104238627A (en) * | 2014-09-05 | 2014-12-24 | 浪潮电子信息产业股份有限公司 | Method for realizing server power-on/off sequential control by using hardware circuit |
| CN105854188A (en) * | 2016-04-29 | 2016-08-17 | 深圳天基权健康科技集团股份有限公司 | Semiconductor laser treating device with multiple power supply modes and power-supply control method |
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| CN107749666B (en) * | 2017-10-27 | 2021-03-05 | 天津津航计算技术研究所 | Delayed power-on control system and control method for photoelectric pod of small unmanned aerial vehicle |
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| CN110231862B (en) * | 2018-03-06 | 2022-10-28 | 佛山市顺德区顺达电脑厂有限公司 | Server system with power failure protection function and method thereof |
| CN109582115A (en) * | 2018-11-01 | 2019-04-05 | 山东超越数控电子股份有限公司 | The structure and method of server power system stability are ensured based on CPLD |
| CN109582115B (en) * | 2018-11-01 | 2022-04-26 | 超越科技股份有限公司 | Device and method for guaranteeing stability of server power supply system based on CPLD (complex programmable logic device) |
| TWI792815B (en) * | 2021-12-29 | 2023-02-11 | 技嘉科技股份有限公司 | Control method and device for powering timing |
| US12026519B2 (en) | 2021-12-29 | 2024-07-02 | Giga-Byte Technology Co., Ltd. | Control method and device for powering timing |
| CN114865449A (en) * | 2022-04-30 | 2022-08-05 | 无锡迈微光电科技有限公司 | Apparatus for driving laser diode linear power |
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Application publication date: 20140625 |