CN102681968A - Hot-plugging slot identification circuit - Google Patents
Hot-plugging slot identification circuit Download PDFInfo
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- CN102681968A CN102681968A CN2012101659337A CN201210165933A CN102681968A CN 102681968 A CN102681968 A CN 102681968A CN 2012101659337 A CN2012101659337 A CN 2012101659337A CN 201210165933 A CN201210165933 A CN 201210165933A CN 102681968 A CN102681968 A CN 102681968A
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- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000011664 signaling Effects 0.000 claims description 30
- 230000008676 import Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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Abstract
The invention discloses a hot-plugging slot identification circuit which belongs to the technical field of hot plugging of back power supplies. The hot-plugging slot identification circuit is simple and convenient in hot plugging and high in reliability. According to the technical scheme of the hot-plugging slot identification circuit, a power supply hot-plugging management IC (integrated circuit), a slot signal detection circuit and a slot signal channel are arranged in a hot-plugging function module, a power supply detection port of the power supply hot-plugging management IC is connected with a power supply detection signal port of a CPU (central processing unit) of the hot-plugging function module, the output end of the slot signal channel is connected with the slot signal detection circuit in series and then is connected with a slot signal reading port of the CPU, the detection control end of the CPU is connected with a control port of the slot signal detection circuit, and the channel control end of the CPU is connected with a control port of the slot signal channel. The hot-plugging slot identification circuit is widely applied to the communication field.
Description
Technical field
The hot-swappable groove of the present invention position identification circuit belongs to backboard Power Supply Hot Swap technical field.
Background technology
Fast development along with informationization technology; And the arrival in Internet of Things epoch, the function that needs communication system to realize is more and more, therefore; In order to adapt to the market fast development; The advantage that the designing institute of backboard type embodies is more and more obvious, and the equipment of the original upgrading of this easy design client one-tenth that less input oneself has also improved client's competitive power simultaneously.
In the product of backboard type; Main controller module is to come transfer instruction and receive the local function module information and come mutual through expansion bus and each functional module on the expansion backboard through core bus; The communication system of this complicacy; Accurately assign and the real-time monitoring of information of instruction relies on the slot number of each functional module place slot to be realized, this shows, obtaining correct slot number is the key point of the normal operation of total system; Traditional groove position identification signal is to be connected on the hot plug connector with different length contact pin, when functional module is inserted the backboard groove, a level is arranged; Connect ground wire earlier, discharge to cabinet by ground wire and eliminate the influence of static, and then the connection signal line; When extracting functional module; Also regular, first separation signal, more discretely.
Not enough below traditional hot plug groove position identification circuit exists: one, groove position identification signal is positioned on the short contact pin of hot plug connector; Insert and need keep horizontal state just can reach the purpose of hot plug protection when extracting functional module, when operation, brought inconvenience to installation personnel; Two, traditional groove position signal need add in backboard and draw resistance to keep this mode of stabilization of level property in the process of hot plug, heat interchange to be arranged that equipment plug in complex environment has potential safety hazard.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, and technical matters to be solved is: provide a kind of plug simple and convenient, the hot plug groove position identification circuit that reliability is high.
For solving the problems of the technologies described above; The technical scheme that the present invention adopted is: hot-swappable groove position identification circuit; Be provided with Power Supply Hot Swap Management IC, groove position signal deteching circuit and groove position signalling channel in the hot plug functional module; The power supply detection port of said Power Supply Hot Swap Management IC links to each other with the power detection signal port of the CPU of hot plug functional module; Link to each other with the groove position signal read port of above-mentioned CPU behind the output terminal serial connection groove position signal deteching circuit of said groove position signalling channel, the detection control end of said CPU links to each other with the control port of groove position signal deteching circuit, and the passage control end of CPU links to each other with the control port of groove position signalling channel;
The input end of the power end of said Power Supply Hot Swap Management IC and groove position signalling channel all links to each other with the contact pin of hot plug functional module; The power end of Power Supply Hot Swap Management IC can link to each other with the power port of backboard through the contact pin of hot plug functional module, and the input end of groove position signalling channel can link to each other with the groove position circuit of backboard through the contact pin of hot plug functional module.
The method of said hot plug functional module hot plug follows these steps to carry out:
The first step; The hot plug functional module is inserted in the backboard; The Power Supply Hot Swap Management IC links to each other with the power port of backboard through the contact pin of hot plug functional module, and the input end of groove position signalling channel links to each other with the groove position circuit of backboard through the contact pin of hot plug functional module, gets into for second step then;
In second step, whether CPU detects the power supply of Power Supply Hot Swap Management IC and normally imports, and normally imports if CPU detects the power supply of Power Supply Hot Swap Management IC, then gets into for the 3rd step;
The 3rd step; CPU control flume position signal deteching circuit and groove position signalling channel are opened; CPU reads groove position signal through groove position signal deteching circuit and groove position signalling channel, and after CPU successfully read groove position signal, CPU control flume position signal deteching circuit and groove position signalling channel were closed.
The beneficial effect that the present invention compared with prior art has is: the present invention is based on the hot plug groove position identification circuit of Power Supply Hot Swap Management IC, and system reliability is high; The functional module slot position connector adopts the common connector of isometric contact pin among the present invention, and cost is low, and operation is easier when hot-swappable functional module; The positive pole of system power supply and negative pole lay respectively at the both sides of connector among the present invention, can guarantee that connector fully contacts after, groove position identification circuit is worked again, reliability is high.
Description of drawings
Do further detailed explanation below in conjunction with the accompanying drawing specific embodiments of the invention:
Fig. 1 is an electrical block diagram of the present invention;
Among the figure: 1 is that hot plug functional module, 2 is that Power Supply Hot Swap Management IC, 3 is that groove position signal deteching circuit, 4 is that groove position signalling channel, 5 is that CPU, 6 is backboard.
Embodiment
As shown in Figure 1; The hot-swappable groove of the present invention position identification circuit; Be provided with Power Supply Hot Swap Management IC 2, groove position signal deteching circuit 3 and groove position signalling channel 4 in the hot plug functional module 1; The power supply detection port of said Power Supply Hot Swap Management IC 2 links to each other with the power detection signal port of the CPU5 of hot plug functional module 1; Signal deteching circuit 3 backs, output terminal serial connection groove position of said groove position signalling channel 4 link to each other with the groove position signal read port of above-mentioned CPU5, and the detection control end of said CPU5 links to each other with the control port of groove position signal deteching circuit 3, and the passage control end of CPU5 links to each other with the control port of groove position signalling channel 4.
The input end of the power end of said Power Supply Hot Swap Management IC 2 and groove position signalling channel 4 all links to each other with the contact pin of hot plug functional module 1; The power end of Power Supply Hot Swap Management IC 2 can link to each other with the power port of backboard 6 through the contact pin of hot plug functional module 1; The input end of groove position signalling channel 4 can link to each other with the groove position circuit of backboard 6 through the contact pin of hot plug functional module 1; The slot position connector of said hot plug functional module 1 can adopt the common connector of isometric contact pin; Cost is low, and is simple and convenient when hot plug operations.
The method of said hot plug functional module 1 hot plug follows these steps to carry out:
The first step; Hot plug functional module 1 is inserted in the backboard 6; Power Supply Hot Swap Management IC 2 links to each other with the power port of backboard 6 through the contact pin of hot plug functional module 1; The input end of groove position signalling channel 4 links to each other with the groove position circuit of backboard 6 through the contact pin of hot plug functional module 1, gets into for second step then;
In second step, whether CPU5 detects the power supply of Power Supply Hot Swap Management IC 2 and normally imports, and normally imports if CPU5 detects the power supply of Power Supply Hot Swap Management IC 2, then gets into for the 3rd step;
The 3rd step; CPU5 control flume position signal deteching circuit 3 is opened with groove position signalling channel 4; CPU5 reads groove position signal through groove position signal deteching circuit 3 and groove position signalling channel 4, and after CPU5 successfully read groove position signal, CPU5 control flume position signal deteching circuit 3 was closed with groove position signalling channel 4.
When the present invention inserts backboard 6 in hot plug functional module 1; After the CPU5 of at first hot plug functional module 1 detects the normal output of power supply of Power Supply Hot Swap Management IC 2, open the input channel of groove position identification circuit again through CPU5, after CPU5 successfully reads groove position signal; Again the input channel of groove position identification circuit is closed; Thereby play effective hot plug protective effect, the present invention is based on Power Supply Hot Swap Management IC 2, system reliability is higher; The power supply of hot plug functional module 1 is provided by backboard 6 power buss; Wherein the positive and negative electrode input terminal of power supply lays respectively at the both sides of connector; The input terminal of groove position identification signal is positioned at the middle part of slot, and groove position signal wire is not established pull-up resistor, and the positive pole of system power supply and negative pole lay respectively at the both sides of connector; After can guaranteeing that connector fully contacts, groove position identification circuit is worked again.
It is the Power Supply Hot Swap Management IC of TPS2491 or TPS2490 that above-mentioned Power Supply Hot Swap Management IC 2 adopts model; It is the groove position signal deteching circuit of SN74HC165 that above-mentioned groove position signal deteching circuit 3 adopts model, and it is the groove position signalling channel of SN74LS245 that said groove position signalling channel 4 adopts model.
Claims (2)
1. hot-swappable groove position identification circuit; It is characterized in that: be provided with Power Supply Hot Swap Management IC (2), groove position signal deteching circuit (3) and groove position signalling channel (4) in the hot plug functional module (1); The power supply detection port of said Power Supply Hot Swap Management IC (2) links to each other with the power detection signal port of the CPU (5) of hot plug functional module (1); Output terminal serial connection groove position signal deteching circuit (3) back of said groove position signalling channel (4) links to each other with the groove position signal read port of above-mentioned CPU (5); The detection control end of said CPU (5) links to each other with the control port of groove position signal deteching circuit (3), and the passage control end of CPU (5) links to each other with the control port of groove position signalling channel (4);
The input end of the power end of said Power Supply Hot Swap Management IC (2) and groove position signalling channel (4) all links to each other with the contact pin of hot plug functional module (1); The power end of Power Supply Hot Swap Management IC (2) can link to each other with the power port of backboard (6) through the contact pin of hot plug functional module (1), and the input end of groove position signalling channel (4) can link to each other with the groove position circuit of backboard (6) through the contact pin of hot plug functional module (1).
2. hot-swappable groove according to claim 1 position identification circuit is characterized in that: the method for said hot plug functional module (1) hot plug follows these steps to carry out:
The first step; Hot plug functional module (1) is inserted in the backboard (6); Power Supply Hot Swap Management IC (2) links to each other with the power port of backboard (6) through the contact pin of hot plug functional module (1); The input end of groove position signalling channel (4) links to each other with the groove position circuit of backboard (6) through the contact pin of hot plug functional module (1), gets into for second step then;
In second step, whether CPU (5) detects the power supply of Power Supply Hot Swap Management IC (2) and normally imports, and normally imports if CPU (5) detects the power supply of Power Supply Hot Swap Management IC (2), then gets into for the 3rd step;
The 3rd step; CPU (5) control flume position signal deteching circuit (3) and groove position signalling channel (4) are opened; CPU (5) reads groove position signal through groove position signal deteching circuit (3) and groove position signalling channel (4); After CPU (5) successfully read groove position signal, CPU (5) control flume position signal deteching circuit (3) and groove position signalling channel (4) were closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210165933.7A CN102681968B (en) | 2012-05-25 | 2012-05-25 | Hot-plugging slot identification circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210165933.7A CN102681968B (en) | 2012-05-25 | 2012-05-25 | Hot-plugging slot identification circuit |
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| Publication Number | Publication Date |
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| CN102681968A true CN102681968A (en) | 2012-09-19 |
| CN102681968B CN102681968B (en) | 2015-03-18 |
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| CN201210165933.7A Active CN102681968B (en) | 2012-05-25 | 2012-05-25 | Hot-plugging slot identification circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777786A (en) * | 2015-03-20 | 2015-07-15 | 深圳市科陆电子科技股份有限公司 | Hot-plugging identification method and system |
| CN105955911A (en) * | 2016-05-09 | 2016-09-21 | 杭州宏杉科技有限公司 | Hot-plug control circuit and control method thereof |
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|---|---|---|---|---|
| US20030131170A1 (en) * | 2002-01-10 | 2003-07-10 | Nai-Chi Chen | Hot swap method |
| CN101097534A (en) * | 2006-06-27 | 2008-01-02 | 中兴通讯股份有限公司 | Method and system for realizing recognizing and detecting plate type of single plate |
| CN201126532Y (en) * | 2007-12-14 | 2008-10-01 | 福建星网锐捷网络有限公司 | Heat insertion electrifying system |
| CN101567810A (en) * | 2008-11-11 | 2009-10-28 | 武汉虹信通信技术有限责任公司 | Method for realizing self-detection of hot-plug board card |
| CN101727430A (en) * | 2009-11-11 | 2010-06-09 | 中兴通讯股份有限公司 | Method and device for hot plug of card |
| CN101727080A (en) * | 2008-10-31 | 2010-06-09 | 华为技术有限公司 | Method, device and system for power input control |
| CN101782884A (en) * | 2009-12-25 | 2010-07-21 | 福建星网锐捷网络有限公司 | Hot plugging realization method and system of high-speed signal circuit and hot plugging circuit board card |
| CN101788844A (en) * | 2009-01-23 | 2010-07-28 | 瑞昱半导体股份有限公司 | Device and method for saving electricity |
-
2012
- 2012-05-25 CN CN201210165933.7A patent/CN102681968B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030131170A1 (en) * | 2002-01-10 | 2003-07-10 | Nai-Chi Chen | Hot swap method |
| CN101097534A (en) * | 2006-06-27 | 2008-01-02 | 中兴通讯股份有限公司 | Method and system for realizing recognizing and detecting plate type of single plate |
| CN201126532Y (en) * | 2007-12-14 | 2008-10-01 | 福建星网锐捷网络有限公司 | Heat insertion electrifying system |
| CN101727080A (en) * | 2008-10-31 | 2010-06-09 | 华为技术有限公司 | Method, device and system for power input control |
| CN101567810A (en) * | 2008-11-11 | 2009-10-28 | 武汉虹信通信技术有限责任公司 | Method for realizing self-detection of hot-plug board card |
| CN101788844A (en) * | 2009-01-23 | 2010-07-28 | 瑞昱半导体股份有限公司 | Device and method for saving electricity |
| CN101727430A (en) * | 2009-11-11 | 2010-06-09 | 中兴通讯股份有限公司 | Method and device for hot plug of card |
| CN101782884A (en) * | 2009-12-25 | 2010-07-21 | 福建星网锐捷网络有限公司 | Hot plugging realization method and system of high-speed signal circuit and hot plugging circuit board card |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104777786A (en) * | 2015-03-20 | 2015-07-15 | 深圳市科陆电子科技股份有限公司 | Hot-plugging identification method and system |
| CN104777786B (en) * | 2015-03-20 | 2018-01-19 | 深圳市科陆电子科技股份有限公司 | Hot plug recognition methods and system |
| CN105955911A (en) * | 2016-05-09 | 2016-09-21 | 杭州宏杉科技有限公司 | Hot-plug control circuit and control method thereof |
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| CN102681968B (en) | 2015-03-18 |
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Address after: 101102 Tongzhou District Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room Patentee after: ROCKONTROL TECHNOLOGY GROUP CO.,LTD. Address before: 101102 Tongzhou District Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room Patentee before: BEIJING ROCKONTROL INFORMATION TECHNOLOGY CO.,LTD. Address after: 101102 Tongzhou District Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room Patentee after: BEIJING ROCKONTROL INFORMATION TECHNOLOGY CO.,LTD. Address before: 101102 Tongzhou District Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room Patentee before: Beijing rockontrol Information Technology Co.,Ltd. |
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Address after: 101102 Tongzhou District Zhongguancun science and Technology Park, Tongzhou Park light and electrical integration industrial base, government road, room 2, No. 212, room Patentee after: Beijing rockontrol Information Technology Co.,Ltd. Address before: High tech Zone Shanxi city Taiyuan province Jiahua street 030032 No. 8 Patentee before: Shanxi Lianhua Weiye Technology Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Hot swappable slot recognition circuit Granted publication date: 20150318 Pledgee: China CITIC Bank Corporation Limited Beijing Branch Pledgor: ROCKONTROL TECHNOLOGY GROUP CO.,LTD. Registration number: Y2024980042594 |