CN109581912A - The application and its control method of redundancy contactless control switch, control switch - Google Patents
The application and its control method of redundancy contactless control switch, control switch Download PDFInfo
- Publication number
- CN109581912A CN109581912A CN201811384292.8A CN201811384292A CN109581912A CN 109581912 A CN109581912 A CN 109581912A CN 201811384292 A CN201811384292 A CN 201811384292A CN 109581912 A CN109581912 A CN 109581912A
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- switch
- redundancy
- contactless
- control switch
- cpu
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004891 communication Methods 0.000 claims description 5
- 230000032258 transport Effects 0.000 claims 1
- 230000005669 field effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000003679 aging effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000007704 transition 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
-
- 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
- G05B2219/25257—Microcontroller
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a kind of redundancy contactless control switchs, the application and its control method of control switch, the switch includes CPU, several switch mosfet pipes, wherein, the output of the CPU is connected to the grid of switch mosfet pipe, the switch mosfet pipe source electrode connects power supply, the switch mosfet pipe drain electrode is connected, output end of the lead-out wire of line as switching tube.The present invention uses MOSFET(field effect transistor) electronic switch is as switch sections.MOSFET is voltage controlled element, and in the case where driving less electric current side-draw, outlet side can be driven, and to carry out high current open-minded, substantially prolongs the service life of switching device.
Description
Technical field
The present invention relates to a kind of redundancy contactless control switchs, the application and its control method of control switch, belong to electrical
The new component technology field of control system.
Background technique
In traditional Train Control, a large amount of relay composition electric control system generally will use, to realize column
The multi-functional logic control of vehicle.Relay is made of line packet and contact switch；The movement of line packet needs energy, and the energy is last
Thermal energy is converted to, causes the temperature rise of system serious；Contact switch will have physical abrasion in movement, and with the increasing of electric current
Add, abrasion is bigger, and the typical life of relay contact switch is (1~10) × 104It is secondary.Relay line packet in driving switch,
It can not achieve the different switches of selective driving, relay itself caused not have redundancy feature.To solve, relay life is low, nothing
Insecure problem of redundancy, this paper presents replacing contact switch with electronic switch, and it is novel superfluous using CPU intelligent control
Remaining noncontacting switch.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention proposes a kind of redundancy contactless control switch, using power
MOSFET (field effect transistor) electronic switch in semiconductor field using many years is as switch sections.MOSFET is voltage control
Element processed, in the case where driving less electric current side-draw, outlet side can be driven, and to carry out high current open-minded, substantially prolongs switch
The service life of device.
The present invention is a kind of redundancy contactless control switch, and the switch includes CPU, several switch mosfet pipes, wherein
The output of the CPU is connected to the grid of switch mosfet pipe, and the switch mosfet pipe source electrode connects power supply, the MOSFET
Switching tube drain electrode is connected, output end of the lead-out wire of line as switching tube.
Further, switch mosfet pipe there are two being set in each control switch.
Further, the output end is connected on CPU, for output signal to be sent to CPU.
Further, the switch mosfet pipe is p-type switching tube.
The present invention also provides a kind of logic control element of above-mentioned redundancy contactless control switch, described control unit packets
Include several CPU, switching input module and redundancy contactless control switch；Wherein, external On-off signal signal passes through
Interface connecting plate is connected to 2 switching input modules, and each switching input module is the signal of acquisition through 2 tunnel bus network
It is sent to CPU board simultaneously；
Each CPU board passes through 2 tunnel bus network simultaneously and is connected with switching input module and redundancy contactless control switch,
Switching input module switching signal is acquired, and receives redundancy contactless control switch feedback signal；And the CPU will be patrolled
It collects operation and sends instructions to redundancy contactless control switch, the redundancy contactless control switch is connected to controlled device.
Further, the logic control element configures communication board COMM, realizes and communicates with train TCMS；The COMM plate
The internal state that logic control element is obtained by 2 tunnel bus network, the logic control of logic control element, state, alarm
Data upload in train TCMS.
Further, the present invention also provides the control method of the contactless logic control element of above-mentioned redundancy, the controlling parties
External switch amount input signal is assigned to two internal switching input modules by interface connecting plate first by method, each outer
The signal of acquisition is sent to CPU board through bus network by portion's switching input module simultaneously；
Each CPU board is connected with switching input module and redundancy contactless control switch respectively by bus network；Often
A redundancy contactless control switch receives output order from bus network simultaneously, and sends output signal under redundant state
In interface connecting plate；Redundancy contactless control switch monitors the state of output, if output overloading is directly protected；Redundancy
Contactless control switch detects the state of output simultaneously, and feeds back to CPU and carry out logical process.
Further, including at least two redundancy contactless control switchs, two CPU boards in the control method, often
A CPU board receives the on-off model sent from different switching value input module, also, respectively with two redundancy oncontactings
Point control switch carries out information exchange, forms superfluous control model.
Advantageous effects of the invention: replacing traditional relay switch, longevity by invention redundancy noncontacting switch
Life can rise 8 orders of magnitude, realize Redundant Control in the functional characteristics of product.
Detailed description of the invention
Fig. 1 is the working principle diagram of relay；
Fig. 2 is the working principle diagram of MOSFET；
Fig. 3 is Redundant Control schematic diagram.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following embodiment is only used for clearly illustrating the present invention
Technical solution, and not intended to limit the protection scope of the present invention.
Symbol definition:
LCU is contactless logic control element
DI On-off signal
TCMS Train Control monitoring system
DO output switch parameter
CPU master control
COMM communication
PWR power supply
As shown in figure 3, redundancy contactless control switch provided by the invention includes CPU, several switch mosfet pipes,
In, the output of the CPU is connected to the grid of switch mosfet pipe, and the switch mosfet pipe source electrode connects power supply, described
The drain electrode of switch mosfet pipe is connected, output end of the lead-out wire of line as switching tube.
Further, switch mosfet pipe there are two being set in each control switch.
Further, the output end is connected on CPU, for output signal to be sent to CPU.
Further, the switch mosfet pipe is p-type switching tube.
The present invention also provides a kind of logic control element of above-mentioned redundancy contactless control switch, described control unit packets
Include several CPU, switching input module and redundancy contactless control switch；Wherein, external On-off signal signal passes through
Interface connecting plate is connected to 2 switching input modules, and each switching input module is the signal of acquisition through 2 tunnel bus network
It is sent to CPU board simultaneously；
Each CPU board passes through 2 tunnel bus network simultaneously and is connected with switching input module and redundancy contactless control switch,
Switching input module switching signal is acquired, and receives redundancy contactless control switch feedback signal；And the CPU will be patrolled
It collects operation and sends instructions to redundancy contactless control switch, the redundancy contactless control switch is connected to controlled device.
Further, the logic control element configures communication board COMM, realizes and communicates with train TCMS；The COMM plate
The internal state that logic control element is obtained by 2 tunnel bus network, the logic control of logic control element, state, alarm
Data upload in train TCMS.
Further, the present invention also provides the control method of the contactless logic control element of above-mentioned redundancy, the controlling parties
External switch amount input signal is assigned to two internal switching input modules by interface connecting plate first by method, each outer
The signal of acquisition is sent to CPU board through bus network by portion's switching input module simultaneously；
Each CPU board is connected with switching input module and redundancy contactless control switch respectively by bus network；Often
A redundancy contactless control switch receives output order from bus network simultaneously, and sends output signal under redundant state
In interface connecting plate；Redundancy contactless control switch monitors the state of output, if output overloading is directly protected；Redundancy
Contactless control switch detects the state of output simultaneously, and feeds back to CPU and carry out logical process.
Further, including at least two redundancy contactless control switchs, two CPU boards in the control method, often
A CPU board receives the on-off model sent from different switching value input module, also, respectively with two redundancy oncontactings
Point control switch carries out information exchange, forms superfluous control model.
Further it is unfolded to open redundancy contactless control switch of the present invention, control below with reference to a specific application example
The application of pass and its elaboration of control method.
Embodiment 1
LCU mechanical interface includes:
Single LCU is configured by 3U, 19 inch racks；
Shape interface 428.7mm*133.35mm*280mm:
Daughter board uses the basic size (20.32mm) of 4TE；
19 inch rack maximums can configure 21 slots.
1, Far Left reserves an empty slot, the peripheral control logical transition special for project；With cabinet inside without electrical
Connection.2, rightmost places power panel using the position of 2 slots.3, remaining 18 slot positions are divided into 6 groups, every group of 3 daughter boards.
Each LCU configures 1 power panel, 1 preformed plate, 6 groups of control panels.
Every group of control panel can be configured to:
1, it DI group: is made of 1 DI interface board and 2 DI control panels
2, it DO group: is made of 1 DO interface board and 2 DO control panels
3, it CPU group: is made of 1 COMM plate and 2 CPU boards
Configuration instruction:
1,2 LCU (main LCU, can be cascaded from LCU), is constituted 1 set of cascade connection type LCU, realizes more state acquisitions
And control.
2, every set LCU must and only configure 1 CPU group.
LCU configuration:
Each LCU configures 1 power panel, 1 preformed plate, 6 groups of control panels.
DI group concrete configuration is as follows:
Each DI group provides 32 road DI interface capabilities
Inside is divided into mutually independent 4 groups of signals, and every group is 8 signals.
Every group of 8 signals share identical signal with reference to ground
There are 4 connecting terminals to each group, each DI group has 4*4 ground wire connecting terminal, facilitates separated time and doubling.
DO group concrete configuration is as follows:
Each DO group provides 16 road DO interface capabilities, and inside is divided into mutually independent 4 groups of signals, and every group is 4 signals.
Every group of 4 signals share identical signal with reference to ground, have 4 connecting terminals to each group, each DI group has 4*4
Ground wire connecting terminal, facilitates separated time and doubling.
Every group of 4 signals are sharing identical out-put supply just, and every group of power supply is just having 4 connecting terminals, and each DI group has
The positive connecting terminal of 4*4 power supply, facilitates separated time and doubling.
Fan-out capability (single channel), heating current: 1A；Peak point current: 5A (can be used for driving the contact with impact characteristics
Device).
Protected mode
Hardware automatic shutoff
Detection content
1, feedback detection
2, over-current detection.
LCU and TCMS have network communication function
Following data can be uploaded for diagnosing and safeguarding
1, the internal state of LCU
2, the alarm inside LCU (such as certain board faults)
3, the state of DI and DO.
Fig. 1 is the working principle diagram of relay, and it is low that redundancy contactless control switch of the present invention solves relay life
Technical problem, the control switch order of magnitude usually secondary in 100,000 (100K).MOSFET is widely used in Switching Power Supply, at least
It is run under the switching frequency of 100KHz.The life-cycle for being equivalent to relay is only equivalent to MOSFET seconds life time of the levels, then
For MOSFET compares relay, no service life limitation can be equivalent to.
Avoid that relay is unreliable, line packet generates heat serious technical problem.MOSFET is voltage-type driving, driving circuit
General control is equivalent to mW grades in the electric current of 5mA (15V).For the power consumption of W grade for so comparing relay, also can almost it neglect
Slightly.
Solves relay unprotect, the problem of without output overcurrent defencive function.When relay output short-circuit, relay
It generally burns, can may also cause to overheat, the secondary disasters such as on fire.The output of LCU has short-circuit protection, to MOSFET aging effects
Very little does not have secondary disaster.Relay is irredundant, and LCU is the solution of full redundancy.
Relay system logic realizes that complicated, design is complicated, optimization is difficult.And LCU is realized using soft logic, in design rank
After section has determined the quantity of DI and the quantity of DO, so that it may start to produce and manufacture.The optimization in later period and improve all do not need to adjust
Whole line, it is only necessary to upgrade software and achieve that.
Thinking and method of the invention, there are many method and the approach for implementing the technical solution, and the above is only the present invention
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the principle of the invention
Under the premise of, several improvements and modifications can also be made, these modifications and embellishments should also be considered as the scope of protection of the present invention.This implementation
The available prior art of each component part being not known in example is realized.
Claims (8)
1. redundancy contactless control switch, which is characterized in that the switch includes CPU, several switch mosfet pipes, wherein institute
The output for stating CPU is connected to the grid of switch mosfet pipe, and the switch mosfet pipe source electrode connects power supply, and the MOSFET is opened
It closes pipe drain electrode to be connected, output end of the lead-out wire of line as switching tube.
2. redundancy contactless control switch according to claim 1, which is characterized in that be equipped in each control switch
Two switch mosfet pipes.
3. redundancy contactless control switch according to claim 1, which is characterized in that the output end is connected on CPU,
For output signal to be sent to CPU.
4. redundancy contactless control switch according to claim 1, which is characterized in that the switch mosfet pipe is p-type
Switching tube.
5. a kind of logic control element using redundancy contactless control switch as described in claim 1, which is characterized in that institute
Stating control unit includes several CPU, switching input module and redundancy contactless control switch；Wherein, external switching value
Input signal is connected to 2 switching input modules, signal of each switching input module acquisition by interface connecting plate
It is sent to CPU board simultaneously through 2 tunnel bus network；
Each CPU board passes through 2 tunnel bus network simultaneously and is connected with switching input module and redundancy contactless control switch, acquisition
Switching input module switching signal, and receive redundancy contactless control switch feedback signal；And the CPU transports logic
Calculation sends instructions to redundancy contactless control switch, and the redundancy contactless control switch is connected to controlled device.
6. the contactless logic control element of redundancy according to claim 4, which is characterized in that the logic control element is matched
Communication board COMM is set, realizes and is communicated with train TCMS；The COMM plate obtains the interior of logic control element by 2 tunnel bus network
Portion's state uploads to the logic control of logic control element, state, alert data in train TCMS.
7. the control method of the contactless logic control element of redundancy according to claim 5, which is characterized in that the control
External switch amount input signal is assigned to two internal switching input modules by interface connecting plate first by method, each
The signal of acquisition is sent to CPU board through bus network by external switch amount input module simultaneously；
Each CPU board is connected with switching input module and redundancy contactless control switch respectively by bus network；It is each superfluous
Remaining contactless control switch receives output order from bus network simultaneously, and output signal is sent to interface under redundant state
In connecting plate；Redundancy contactless control switch monitors the state of output, if output overloading is directly protected；Redundancy oncontacting
Point control switch detects the state of output simultaneously, and feeds back to CPU and carry out logical process.
8. control method according to claim 7, which is characterized in that include at least two redundancies in the control method
Contactless control switch, two CPU boards, each CPU board receive the switching value sent from different switching value input module
Signal, also, information exchange is carried out with two redundancy contactless control switchs respectively, form superfluous control model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384292.8A CN109581912B (en) | 2018-11-20 | 2018-11-20 | Control method of redundant contactless logic control unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384292.8A CN109581912B (en) | 2018-11-20 | 2018-11-20 | Control method of redundant contactless logic control unit |
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| CN109581912A true CN109581912A (en) | 2019-04-05 |
| CN109581912B CN109581912B (en) | 2024-02-27 |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0089241A1 (en) * | 1982-03-16 | 1983-09-21 | Fanuc Ltd. | Non-polarized contactless relay |
| JPS60241325A (en) * | 1984-05-11 | 1985-11-30 | エヌ・ベー・フイリツプス・フルーイランペンフアブリケン | Contactless relay |
| US4672246A (en) * | 1986-03-10 | 1987-06-09 | Honeywell Inc. | Low offset MOSFET transistor switch control |
| JPS62250718A (en) * | 1986-04-23 | 1987-10-31 | Matsushita Electric Works Ltd | Contactless relay with latching function |
| JPS63160412A (en) * | 1986-12-23 | 1988-07-04 | Keyence Corp | Contactless two-wire ac switch |
| KR910008569A (en) * | 1989-10-16 | 1991-05-31 | 경상현 | Signal terminal group maintenance device of common line signal device |
| JP2002252552A (en) * | 2001-02-26 | 2002-09-06 | Hitachi Ltd | Semiconductor switch |
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| JP2007257893A (en) * | 2006-03-20 | 2007-10-04 | Matsushita Electric Works Ltd | Optical contactless switch |
| US20070268649A1 (en) * | 2006-05-19 | 2007-11-22 | Netio Technology Co., Ltd. | Electromagnetic coupling galvanic isolated solid state relay with output feedback |
| JP2011087260A (en) * | 2009-10-19 | 2011-04-28 | Panasonic Electric Works Co Ltd | Load control apparatus |
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| CN106253888A (en) * | 2015-06-10 | 2016-12-21 | 威泰克公司 | Bi-directional MOS FET switch and multiplexer |
| CN107264572A (en) * | 2017-06-23 | 2017-10-20 | 成都运达科技股份有限公司 | A kind of contactless logic control system for possessing hot redundant ability |
| CN107463862A (en) * | 2017-08-30 | 2017-12-12 | 合肥新文远信息技术有限公司 | A kind of contactless RFID reader |
| US20180025265A1 (en) * | 2015-02-11 | 2018-01-25 | Tendyron Corporation | Electronic equipment |
| CN210015340U (en) * | 2018-11-20 | 2020-02-04 | 南京华士电子科技有限公司 | Redundant contactless control switch |
-
2018
- 2018-11-20 CN CN201811384292.8A patent/CN109581912B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0089241A1 (en) * | 1982-03-16 | 1983-09-21 | Fanuc Ltd. | Non-polarized contactless relay |
| JPS60241325A (en) * | 1984-05-11 | 1985-11-30 | エヌ・ベー・フイリツプス・フルーイランペンフアブリケン | Contactless relay |
| US4672246A (en) * | 1986-03-10 | 1987-06-09 | Honeywell Inc. | Low offset MOSFET transistor switch control |
| JPS62250718A (en) * | 1986-04-23 | 1987-10-31 | Matsushita Electric Works Ltd | Contactless relay with latching function |
| JPS63160412A (en) * | 1986-12-23 | 1988-07-04 | Keyence Corp | Contactless two-wire ac switch |
| KR910008569A (en) * | 1989-10-16 | 1991-05-31 | 경상현 | Signal terminal group maintenance device of common line signal device |
| JP2002252552A (en) * | 2001-02-26 | 2002-09-06 | Hitachi Ltd | Semiconductor switch |
| JP2005354776A (en) * | 2004-06-09 | 2005-12-22 | Foster Electric Co Ltd | Switching power supply device |
| JP2007257893A (en) * | 2006-03-20 | 2007-10-04 | Matsushita Electric Works Ltd | Optical contactless switch |
| US20070268649A1 (en) * | 2006-05-19 | 2007-11-22 | Netio Technology Co., Ltd. | Electromagnetic coupling galvanic isolated solid state relay with output feedback |
| JP2011087260A (en) * | 2009-10-19 | 2011-04-28 | Panasonic Electric Works Co Ltd | Load control apparatus |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN109581912B (en) | 2024-02-27 |
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