CN106681203A - Hot swapping device and method for real-time detection of industrial Ethernet sites - Google Patents
Hot swapping device and method for real-time detection of industrial Ethernet sites Download PDFInfo
- Publication number
- CN106681203A CN106681203A CN201611070838.3A CN201611070838A CN106681203A CN 106681203 A CN106681203 A CN 106681203A CN 201611070838 A CN201611070838 A CN 201611070838A CN 106681203 A CN106681203 A CN 106681203A
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- hot plug
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- time
- controller
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000011897 real-time detection Methods 0.000 title claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 238000005491 wire drawing Methods 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 5
- 238000003780 insertion Methods 0.000 abstract description 3
- 230000037431 insertion Effects 0.000 abstract description 3
- 230000005059 dormancy Effects 0.000 abstract 3
- 238000004806 packaging method and process Methods 0.000 abstract 2
- 238000010892 electric spark Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
- G05B19/0425—Safety, monitoring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4081—Live connection to bus, e.g. hot-plugging
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24025—Remove board with system on power, hot plug in, swap, docking, life insertion
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25279—Switch on power, awake device from standby if detects action on device
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25291—Set module, component to sleep if no event or no other module needs it
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25469—Inserting or taking out circuit boards during power on
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Hardware Design (AREA)
- Power Sources (AREA)
Abstract
The invention relates to the technical field of communication, in particular to a hot swapping device and a method for real-time detection of industrial Ethernet sites. The device comprises a shell, an I/O (input/output) interface, a controller, a starting module, a dormancy module, a wakeup module and a site packaging module. The controller, the starting module, the dormancy module and the wakeup module are electrically connected with the I/O interface in the shell. The site packaging module arranged in the shell is used for automatically identifying an insertion site of a hot plug after plugging. The dormancy module is used for controlling a voltage of a power supply bus to be reduced to 1V when a business board card and the hot plug are in a disconnected state. The controller regulates a dynamic power supply to avoid potential electrical spark hazards.
Description
Technical field
The present invention relates to communication technique field, more particularly to a kind of hot plug device of detecting real-time EPA website
And method.
Background technology
In industrial communication systems, due to Real Data Exchangs the need for, typically require system for communication system
Can not power off, the problem of some device element hot line jobs is just generated in this case.
In industrial communication systems, hot plug can produce transient voltage spike, the device damaged on business board and/or backboard
Part, while producing instantaneous large-current, can thus produce electric spark, in certain applications, such as mine, oil plant etc.,
Electric spark can more cause the accidents such as blast.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention is：For problems of the prior art, there is provided a kind of detecting real-time work
The hot plug device and method of industrial Ethernet website, to solve the problems, such as electric spark hazard.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides a kind of hot plug dress of detecting real-time EPA website
Put, wherein, the hot plug device is arranged between the circuit of power supply buses 9 and business board 3, and it includes casing, is arranged at
I/O input/output interfaces 4 on casing and the controller 2 for being electrically connected with I/O input/output interfaces 4 respectively, starting module 8,
Sleep block 7, wake module 6；
The detachably connected hot plug 5 of I/O input/output interfaces 4, for realizing between business board 3 and hot plug 5
Connection disconnects；
When being in connection status between business board 3 and hot plug 5, starting module 8 connects power supply buses 9 and hot plug 5
Between electrical connection, be powered to business board 3 by I/O input/output interfaces 4；
When being off between business board 3 and hot plug 5, sleep block 7 cut-out power supply buses 9 and hot plug 5
Between electrical connection so that the latch address of I/O input/output interfaces 4 and redundancy；
Wake module 6 is used for the voltage of the hot plug 5 that detecting real-time I/O input/output interfaces 4 are connected, and calls control
The built-in data parser 11 of device 2, the latch address of I/O input/output interfaces 4 and redundancy preserved to sleep block 7 is carried out
Computing；
Data parser 11 is used for the circuit loop electric current of start-up course detecting real-time business board 3, and feedback control and confession
The connected dynamic power supplies 10 of goddess of lightning's line 9 are boosted and are depressured.
Wherein, the hot plug device also includes being arranged at site packages module 1 in casing, site packages module 1 with
Controller 2 is electrically connected, for being identified automatically to the website that it is inserted after the grafting of hot plug 5.
Wherein, the I/O input/output interfaces 4 are used to quickly set up the communicating circuit of data, and real-time dynamic monitoring heat
Whether the voltage of plug 5 is less than 3V.
Wherein, the hot plug 5 can be quickly connected on I/O input/output interfaces 4, and possesses antistatic and spark
Function, and hot plug protection circuit is set up using I/O input/output interfaces 4, hot plug protection circuit is supported to be put down in swapping process
Slide onto electricity under electricity, it is to avoid power supply buses produce surge impact.
Wherein, the static conductive bar for antistatic is additionally provided with the hot plug 5.
Wherein, the static conductive bar is exposed metal wire-drawing structure.
Wherein, when being off between the business board 3 and hot plug 5, the control of sleep block 7 will power supply mother
Voltage on line 9 is reduced to 1V.
Wherein, the wake module 6 calls the data solution that controller 2 is built-in when the voltage of hot plug 5 is detected higher than 1V
Parser 11, data parser 11 is used for the circuit loop electric current of start-up course detecting real-time business board 3, and feedback control and power supply
The connected dynamic power supplies 10 of bus 9 are boosted and are depressured.
Wherein, the data parser 11 is integrated on the pcb board of controller 2, and heat conduction member is provided with pcb board, is led
Hot component is heat-conducting glue or heat dissipation metal plate.
Present invention also offers a kind of method of the hot plug device of detecting real-time EPA website, it includes as follows
Step：
The first step, start controller application program, and complete to starting module, sleep block, wake module it is initial
Change, meanwhile, I/O input/output interfaces detect the voltage of the hot plug 5 of real-time dynamic monitoring；
Second step, controller is entered by data parser to the current address of I/O input/output interfaces and site number
Row parsing；
3rd step, controller carries out real-time detection to network link detection management to data link layer normal condition；
4th step, controller is managed to dynamic power supplies, and the corresponding power supply of hot pluggable condition to Current hardware is carried out
Dynamic regulation.
(3) beneficial effect
Above-mentioned technical proposal has the following advantages that：Controller is adjusted to dynamic power supplies in real time, and potential electricity is not produced
Gas spark hazard；The website that the site packages module set in casing can be inserted after hot plug grafting to it is carried out automatically
Mark；When the sleep block of setting is used to be off between business board and hot plug, control on power supply buses
Voltage be reduced to 1V.
Brief description of the drawings
Fig. 1 is a kind of principle schematic diagram. of the hot plug device of detecting real-time EPA website of the invention.
Wherein, 1, site packages module；2nd, controller；3rd, business board；4th, I/O input/output interfaces；5th, hot plug；6、
Wake module；7th, sleep block；8th, starting module；9th, power supply buses；10th, dynamic power supplies；11st, data parser.
Specific embodiment
As shown in figure 1, present embodiments providing a kind of hot plug device of detecting real-time EPA website, the heat
Plug-in and pull-off device is arranged between the circuit of power supply buses 9 and business board 3, and it includes casing, the I/O being arranged on casing inputs
Output interface 4 and the controller 2 for being electrically connected with I/O input/output interfaces 4 respectively, starting module 8, sleep block 7, wake-up
Module 6.
Wherein, the detachably connected hot plug 5 of I/O input/output interfaces 4, for realize business board 3 and hot plug 5 it
Between connection or disconnection.
When being in connection status between business board 3 and hot plug 5, starting module 8 connects power supply buses 9 and hot plug 5
Between electrical connection, and be powered to business board 3 by I/O input/output interfaces 4.
When being off between business board 3 and hot plug 5, sleep block 7 cut-out power supply buses 9 and hot plug 5
Between electrical connection, and cause the latch address of I/O input/output interfaces 4 and redundancy.
Wake module 6 is used for the voltage of the hot plug 5 that detecting real-time I/O input/output interfaces 4 are connected, and calls control
The built-in data parser 11 of device 2, the latch address of I/O input/output interfaces 4 and redundancy preserved to sleep block 7 is carried out
Computing.
Data parser 11 is used for the circuit loop electric current of start-up course detecting real-time business board 3, and feedback control and confession
The connected dynamic power supplies 10 of goddess of lightning's line 9 are boosted and are depressured.
Based on above-mentioned hot plug device, dynamic power supplies 10 are adjusted by controller 2, and gathered data modular converter
Work high-low signal, realize the double control of the circuit output voltage of business board 3 and I/O port voltage, solve the hot plug 5 of grafting
The generation of electric spark during with business board 3, while solving the problems, such as signal redundancy and recovering mistake.
Further, the present embodiment hot plug device also includes the site packages module 1 being arranged in casing, site packages
Module 1 is electrically connected with controller 2, for being identified automatically to the website that it is inserted after the grafting of hot plug 5.Sealed by website
Die-filling piece 1 of automatic mark, the website that can identify insertion is required website.Controller 2 can be according to connection
Situation identifies the website of insertion, and then website is initialized.And, the onboard data resolver 11 of controller 2 is automatic pre-
Leave the transmission location of hot plug website process data for.
In the present embodiment, I/O input/output interfaces 4 are responsible for the quick communicating circuit for setting up data, and real-time dynamic monitoring
Whether the voltage of hot plug 5 is less than 3V.That is, voltage detecting can be carried out by voltage detection module.
For hot plug 5, hot plug 5 can be quickly connected on I/O input/output interfaces 4, and possesses antistatic
With spark function, a hot plug protection circuit is set up using I/O input/output interfaces 4, hot plug protection circuit is supported
The lower electricity of upper electricity smoothed in swapping process, it is to avoid power supply buses produce surge impact, and set maximum current overcurrent protection.
And, for hot plug 5, the static conductive bar of antistatic is may be provided for, can be exposed metal
Threaded configuration.
In addition, sleep block 7 is used for when being off between business board 3 and hot plug 5, and control will be for
Voltage on goddess of lightning's line 9 is reduced to 1V.It can be seen that, when sleep block 7 detects the disconnection of hot plug 5, voltage is reduced suddenly, immediately will be dynamic
Voltage on the power supply buses 9 of the connection of state power supply 10 is reduced to 1V, it is to avoid spark occurs, and causes that I/O input/output interfaces 4 are latched
Address and redundancy.
In addition, wake module 6 calls the data solution that controller 2 is built-in when the voltage of hot plug 5 is detected higher than 1V
Parser 11.Data parser 11 is used for the circuit loop electric current of start-up course detecting real-time business board 3, and feedback control and power supply
The connected dynamic power supplies 10 of bus 9 are boosted and are depressured.Wake module 6 is used for playing transitional function, and wake module 6 is detectd in real time
The voltage of hot plug 5 that I/O input/output interfaces 4 are connected is surveyed, when higher than 1V, starts the data solution for calling controller 2 embedded
Parser 11, the latch address of I/O input/output interfaces 4 and redundancy preserved to sleep block 7 carries out computing, realizes quick extensive
Multiple strategy.
Business board 3 and data parser 11 carry out data exchange in the present embodiment, and business board 3 has been planned in net respectively
Redundant frame mechanism of transmission, localization of fault and recovery policy when mouth failure, link failure and node failure.Business board 3 is used
To shield redundancy and operation to upper layer application.The pcb board of controller 2 can be integrated in for data parser 11
On, heat conduction member is provided with pcb board, heat conduction member can be heat-conducting glue or heat dissipation metal plate.
The method that the present invention also provides the detecting real-time EPA website hot plug device described in a kind of basis, its bag
Include following steps：
The first step, start controller application program, and complete to starting module, sleep block, wake module it is initial
Change, meanwhile, I/O input/output interfaces detect the voltage of the hot plug 5 of real-time dynamic monitoring；
Second step, controller is entered by data parser to the current address of I/O input/output interfaces and site number
Row parsing；
3rd step, controller carries out real-time detection to network link detection management to data link layer normal condition；
4th step, controller is managed to dynamic power supplies, and the corresponding power supply of hot pluggable condition to Current hardware is carried out
Dynamic regulation.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of the technology of the present invention principle is not departed from, some improvement and deformation can also be made, these improve and deform
Also should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of hot plug device of detecting real-time EPA website, it is characterised in that the hot plug device is arranged at
Between the circuit of power supply buses (9) and business board (3), it includes casing, the I/O input/output interfaces being arranged on casing
(4) controller (2) that and is respectively electrically connected with I/O input/output interfaces (4), starting module (8), sleep block (7), call out
Awake module (6)；
The detachably connected hot plug (5) of I/O input/output interfaces (4), for realize business board (3) and hot plug (5) it
Between connection or disconnection；
When being in connection status between business board (3) and hot plug (5), starting module (8) is connected power supply buses (9) and is inserted with heat
Electrical connection between head (5), is powered by I/O input/output interfaces (4) to business board (3)；
When being off between business board (3) and hot plug (5), sleep block (7) is cut off power supply buses (9) and is inserted with heat
Electrical connection between head (5) so that I/O input/output interfaces (4) latch address and redundancy；
The voltage of the hot plug (5) that wake module (6) is connected for detecting real-time I/O input/output interfaces (4), and call control
The built-in data parser (11) of device (2) processed, I/O input/output interfaces (4) latch address and superfluous preserved to sleep block (7)
Remaining information carries out computing；
Data parser (11) is for start-up course detecting real-time business board (3) circuit loop electric current, and feedback control and confession
The connected dynamic power supplies (10) of goddess of lightning's line (9) are boosted and are depressured.
2. the hot plug device of detecting real-time EPA website as claimed in claim 1, it is characterised in that the heat is inserted
Pulling device also includes the site packages module (1) being arranged in casing, and site packages module (1) is electrically connected with controller (2), used
The website that it is inserted is identified automatically in after hot plug (5) grafting.
3. the hot plug device of detecting real-time EPA website as claimed in claim 2, it is characterised in that the I/O
Input/output interface (4) is for quickly setting up the communicating circuit of data, and whether real-time dynamic monitoring hot plug (5) voltage is less than
3V。
4. the hot plug device of detecting real-time EPA website as claimed in claim 3, it is characterised in that the heat is inserted
Head (5) can be quickly connected on I/O input/output interfaces (4), and possesses antistatic and spark function, and defeated using I/O
Enter output interface (4) and set up hot plug protection circuit, hot plug protection circuit is supported to smooth the lower electricity of upper electricity in swapping process, it is to avoid
Power supply buses produce surge impact.
5. the hot plug device of detecting real-time EPA website as claimed in claim 4, it is characterised in that the heat is inserted
The static conductive bar for antistatic is additionally provided with head (5).
6. the hot plug device of detecting real-time EPA website as claimed in claim 5, it is characterised in that it is described lead it is quiet
Electric bar is exposed metal wire-drawing structure.
7. the hot plug device of detecting real-time EPA website as claimed in claim 6, it is characterised in that in the industry
When being off between business board (3) and hot plug (5), sleep block (7) is controlled the voltage drop on power supply buses (9)
It is 1V.
8. the hot plug device of detecting real-time EPA website as claimed in claim 7, it is characterised in that the wake-up
Module (6) calls the data parser (11) that controller (2) is built-in, data solution when hot plug (5) voltage is detected higher than 1V
Parser (11) is for start-up course detecting real-time business board (3) circuit loop electric current, and feedback control and power supply buses (9) phase
Dynamic power supplies (10) even are boosted and are depressured.
9. the hot plug device of detecting real-time EPA website as claimed in claim 8, it is characterised in that the data
Resolver (11) is integrated on the pcb board of controller (2), and heat conduction member is provided with pcb board, and heat conduction member is heat-conducting glue or dissipates
Thermometal piece.
10. a kind of hot plug device of the detecting real-time EPA website based on any one of claim 1-9
Method, it is characterised in that comprise the following steps：
The first step, start controller application program, and complete to starting module, sleep block, wake module initialization, together
When, I/O input/output interfaces detect the voltage of the hot plug 5 of real-time dynamic monitoring；
Second step, controller is solved by data parser to the current address of I/O input/output interfaces and site number
Analysis；
3rd step, controller carries out real-time detection to network link detection management to data link layer normal condition；
4th step, controller is managed to dynamic power supplies, and the corresponding power supply of hot pluggable condition to Current hardware enters Mobile state
Regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070838.3A CN106681203A (en) | 2016-11-27 | 2016-11-27 | Hot swapping device and method for real-time detection of industrial Ethernet sites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611070838.3A CN106681203A (en) | 2016-11-27 | 2016-11-27 | Hot swapping device and method for real-time detection of industrial Ethernet sites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106681203A true CN106681203A (en) | 2017-05-17 |
Family
ID=58866725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611070838.3A Pending CN106681203A (en) | 2016-11-27 | 2016-11-27 | Hot swapping device and method for real-time detection of industrial Ethernet sites |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106681203A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008625A (en) * | 2019-04-16 | 2019-07-12 | 广东华坤建设集团有限公司 | The FEM Analysis method of assembled architecture prefabricated components structural mechanical property |
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|---|---|---|---|---|
| CN1236926A (en) * | 1998-05-22 | 1999-12-01 | 国际商业机器公司 | PCI bus hot-plug |
| CN1728499A (en) * | 2004-07-31 | 2006-02-01 | 华为技术有限公司 | Method and device of realizing hot plug for power distribution singleboard |
| CN200989917Y (en) * | 2006-11-28 | 2007-12-12 | 李彩珍 | Voltage sensor |
| CN201051664Y (en) * | 2006-12-08 | 2008-04-23 | 康舒科技股份有限公司 | Power supply device and equipment |
| CN101364091A (en) * | 2007-08-07 | 2009-02-11 | 深圳迈瑞生物医疗电子股份有限公司 | Electric supply interface arrangement for external equipment and interface electric supply method |
| 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 |
| TW201223188A (en) * | 2010-11-17 | 2012-06-01 | Gemtek Technology Co Ltd | Networking equipment with hot plug function |
| CN103076785A (en) * | 2012-12-31 | 2013-05-01 | 北京格林伟迪科技有限公司 | Hot plug control device for Ethernet switch and industrial Ethernet switch |
| CN204517993U (en) * | 2015-04-09 | 2015-07-29 | 杭州叙简科技有限公司 | Hot-swappable loop trunks plate |
-
2016
- 2016-11-27 CN CN201611070838.3A patent/CN106681203A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1236926A (en) * | 1998-05-22 | 1999-12-01 | 国际商业机器公司 | PCI bus hot-plug |
| CN1728499A (en) * | 2004-07-31 | 2006-02-01 | 华为技术有限公司 | Method and device of realizing hot plug for power distribution singleboard |
| CN200989917Y (en) * | 2006-11-28 | 2007-12-12 | 李彩珍 | Voltage sensor |
| CN201051664Y (en) * | 2006-12-08 | 2008-04-23 | 康舒科技股份有限公司 | Power supply device and equipment |
| CN101364091A (en) * | 2007-08-07 | 2009-02-11 | 深圳迈瑞生物医疗电子股份有限公司 | Electric supply interface arrangement for external equipment and interface electric supply method |
| 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 |
| TW201223188A (en) * | 2010-11-17 | 2012-06-01 | Gemtek Technology Co Ltd | Networking equipment with hot plug function |
| CN103076785A (en) * | 2012-12-31 | 2013-05-01 | 北京格林伟迪科技有限公司 | Hot plug control device for Ethernet switch and industrial Ethernet switch |
| CN204517993U (en) * | 2015-04-09 | 2015-07-29 | 杭州叙简科技有限公司 | Hot-swappable loop trunks plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110008625A (en) * | 2019-04-16 | 2019-07-12 | 广东华坤建设集团有限公司 | The FEM Analysis method of assembled architecture prefabricated components structural mechanical property |
| CN110008625B (en) * | 2019-04-16 | 2022-12-20 | 广东华坤建设集团有限公司 | Finite element analysis research method for structural mechanical property of prefabricated part of fabricated building |
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Application publication date: 20170517 |
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| WD01 | Invention patent application deemed withdrawn after publication |