CN109388076A - Intelligent contactless flame-proof switch - Google Patents
Intelligent contactless flame-proof switch Download PDFInfo
- Publication number
- CN109388076A CN109388076A CN201710650009.0A CN201710650009A CN109388076A CN 109388076 A CN109388076 A CN 109388076A CN 201710650009 A CN201710650009 A CN 201710650009A CN 109388076 A CN109388076 A CN 109388076A
- Authority
- CN
- China
- Prior art keywords
- switch
- proof switch
- intelligent contactless
- flame
- contactless flame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000004224 protection Effects 0.000 claims abstract description 22
- 238000010891 electric arc Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 21
- 238000005070 sampling Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 239000002360 explosive Substances 0.000 abstract description 2
- 238000004880 explosion Methods 0.000 abstract 1
- 238000010892 electric spark Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
Intelligent contactless flame-proof switch of the present invention disclose it is a kind of it is novel it is contactless, without electric arc, Sparkless switch, the shutdown of this switching voltage passing zero trigger current over-zero securely and reliably, solves the problems, such as the explosion safety accident easily caused in inflammable, explosive environments.The present invention has for connecting the input terminal of power supply and for the output end of connected load.This switch turns on and off use for control load, and when a failure occurs it, protection faulty component is cut off from power grid.The switch includes the thyristor part as main switch on-off and the control module part for protecting control.When needing to connect, control module issues zero passage enabling signal and opens master switch, and when failure or shutdown, control module issues shutdown instruction, and current over-zero turns off master switch.
Description
Technical field
The present invention relates to flame-proof switches, more particularly to a kind of novel Intelligent contactless flame-proof switch.
Background technique
Existing flame-proof switch closes existing following defect:
1. electric arc or spark occurs in switching movement, contact melted occurs for when high current；
2. dynamic thermal stability is poor, mechanical life is short, electric life is low；
3. defencive function is few；
4. cannot achieve remote control, telemetering, remote signalling, remote regulating without in correspondence with foreign country mouth；It cannot achieve intelligentized control method.
Summary of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the present invention provides a kind of novel Contactless explosion-proof switchs.
The present invention, as master switch, is connected using thyristor and shutdown of shutting off is completed inside master switch, and realized
Electric voltage over press zero passage opens, current over-zero shutdown, therefore while turning on and off does not occur electric arc or spark.
The present invention is noncontacting switch, does not have mechanical contact component, and contact melted problem is not present, and dynamic and thermal stability is not present
Property it is poor, mechanical life is short, electric life is low the problems such as, without noise, movement it is without friction.
The present invention, as control host, is used as control core by the control program independently worked out using technical grade single-chip microcontroller
The heart, control program calculate various Protection parameters automatically, automatically process various defencive functions.
Defencive function of the present invention is perfect, and (superpressure, low pressure, overcurrent, overload, short circuit, electric current inverse time lag, harmonic wave etc. protect function
Can), Protection parameters as needed realize stepless adjusting.
The present invention integrates RS485/RS232 communication interface, can connect with background monitoring system, realizes remote control, telemetering, distant
Letter, remote regulating.
The man machine communication interface of integrated intelligent of the present invention keeps parameter setting easier, reliably.
The technical scheme adopted by the invention is that: using thyristor as master switch, technical grade single-chip microcontroller is as control
Host, by the control program independently worked out as control core.
The present invention is made of master switch 110 and 120 two parts of control module, and control module 120 includes sampling module
121, communication module 122, human-computer dialogue module 123, protection computing module 124, action command execution module 125, main program mould
Block 126.
Thyristor is as contactless master switch, to control putting into operation and being isolated for load.
Master switch 110 is opened, is turned off by the sending of main program module 126 instruction, through action command execution module 125
Switching instruction is issued to execute to master switch 110.
Sampling module 121 completes real time data acquisition and reaches main program module 126.
Communication module 122 reaches main program module by communication module 122 when external host sends communications command
126, main program module 126 executes various operations according to order, and response reaches external host by communication module 122.
Human-computer dialogue module 123 completes various parameters setting, realizes human-computer dialogue.
It protects computing module 124 to carry out protection operation according to various real-time sampling datas, executes various protection acts.
Action command execution module 125, according to main program module 126 and the protection various fingers of 124 instruction execution of computing module
Order movement.
Compared with prior art, the beneficial effects of the present invention are:
1. not occurring electric arc or spark when turning on and off, contact melted problem is not present；
2. not depositing the problems such as dynamic thermal stability is poor, mechanical life is short, electric life is low；
3. without friction without noise, movement；
4. defencive function is perfect (defencive functions such as superpressure, low pressure, overcurrent, overload, short circuit, electric current inverse time lag, harmonic wave)；
5. Protection parameters stepless can be adjusted；
It 6. having RS485/RS232 communication interface, can be communicated with background monitoring system, realize remote control, telemetering, remote signalling, remote regulating；
7. having intelligentized man machine communication interface, keep parameter setting simpler, reliably.
Detailed description of the invention
Fig. 1: Intelligent contactless flame-proof switch overall plan schematic diagram.
Fig. 2: Intelligent contactless flame-proof switch control module module frame chart.
Specific embodiment
The following further describes the present invention with reference to the drawings.
The present invention provides a kind of novel Intelligent contactless flame-proof switch, as shown in Figure 1, Intelligent contactless Anti-breakage
Closing 100 includes master switch (thyristor) 110 and control module 120.
The master switch (thyristor) 110 has for connecting the input terminal 111 of power supply and for the defeated of connected load
Outlet 112, the control module 120 are turned on and off for controlling the master switch (thyristor) 110.
As shown in Fig. 2, the control module 120 include sampling module 121, communication module 122, human-computer dialogue module 123,
Protect computing module 124, action command execution module 125, main program module 126.
The sampling module 121, acquires various parameters in real time, and reaches main program module 126.
The communication module 122 reaches main program mould by communication module 122 when external host sends communications command
Block 126, main program module 126 execute various operations according to order, and response reaches external host by communication module 122.
Human-computer dialogue is realized in the human-computer dialogue module 123, various parameters setting.
The protection computing module 124 carries out protection operation according to various real-time sampling datas, and it is dynamic to execute various protections
Make.
The action command execution module 125, it is each according to main program module 126 and protection 124 instruction execution of computing module
Kind instruction action.
The main program module 126 realizes correspondence with foreign country, processing human-computer dialogue parameter, the various sampling parameters of transmitting-receiving, sending
It opens, turn off order.
In the embodiment of the present invention, the Intelligent contactless flame-proof switch has the input terminal and use for connecting power supply
In the output end of connected load.
The invention parameter can be adjusted according to actual load by user and be set；With the adjustment of customer parameter, system is adaptive
The protection under new parameter is answered, the limitation of mechanical switch is changed.
The switch adapts to user not by it in the case where not changing existing hardware, by upgrading, extending control software
The demand of disconnected variation.
The invention control part and the discrete assembling in master switch part；Structure is simple, building block system installation, simple and flexible.
The switch realizes voltage zero-cross conducting, current over-zero shutdown, prevents spark, electric arc, dash current from source
Deng, be suitble to it is inflammable, explosive etc. more demanding, under the more severe catastrophe risk environment of environment act on electric control switch use.
Operation is opened to include the following steps:
The Intelligent contactless flame-proof switch input terminal 111 connects power supply, 112 connected load of output end.
Step 1: control module 120, which receives, opens order, and main program module 126 issues provisioning instruction and holds to action command
Row module 125；
Step 2: action command execution module 125 is connected to main program module 126 and issues provisioning instruction, calculates and issues open signal
To master switch (thyristor) 110；
Step 3: it is at once open-minded that master switch (thyristor) 110 is connected to open signal master switch (thyristor) 110.
Shutdown operation includes the following steps:
The Intelligent contactless flame-proof switch is open-minded.
Step 1: control module 120 receives shutdown order, and main program module 126 issues shutdown instruction and holds to action command
Row module 125；
Step 2: action command execution module 125 is connected to main program module 126 and issues shutdown instruction, calculates and issues cut-off signals
To master switch (thyristor) 110；
Step 3: master switch (thyristor) 110 is connected to cut-off signals master switch (thyristor) 110 and turns off at once.
Protection operation includes the following steps:
The Intelligent contactless flame-proof switch is open-minded.
Step 1: the various Protection parameters and sampling module 121 that protection computing module 124 is set according to main program module 126
The parameter of acquisition is calculated；When judging faulty generation, issues shutdown instruction and arrive action command execution module 125；
Step 2: action command execution module 125 is connected to protection computing module 124 and issues shutdown instruction, calculates and issues shutdown letter
Number give master switch (thyristor) 110；
Step 3: master switch (thyristor) 110 is connected to cut-off signals, and master switch (thyristor) 110 turns off at once.
Human-computer dialogue operation includes the following steps:
Step 1: human-computer dialogue module 123 handles human-computer dialogue result and reaches main program module 126；
Step 2: main program module 126 executes various instructions according to parameter.
Telecommunication operation includes the following steps:
Step 1: when communication module 122 is connected to external host communications command (main program module 126 issues order), being sent to main journey
Sequence module 126(external host)；
Step 2: main program module 126 issues acknowledgement command (external host) and issues acknowledgement command to communication module 122；
Step 3: communication module 122 sends acknowledgement command to external host (main program module 126).
Claims (8)
1. a kind of Intelligent contactless flame-proof switch, including being used as the thyristor part of main switch on-off and for protecting control
Control module part, described switch one end is used to connect the input terminal of power supply and one end is used to connect the output end loaded；
It is characterized by:
Intelligent contactless flame-proof switch belongs to noncontacting switch；
It is open-minded for no-voltage when Intelligent contactless flame-proof switch is opened；
It is Zero current disjunction when Intelligent contactless flame-proof switch disjunction；
The protection of Intelligent contactless flame-proof switch, which executes in a cycle, to be completed；
T=1/f (one)
Wherein, T is the period, and unit S, f are ac power frequency, unit Hz；
Intelligent contactless flame-proof switch defencive function includes voltage, electric current, harmonic wave, temperature, inverse time-lag protection；
Intelligent contactless flame-proof switch has RS232/RS485 port；
Intelligent contactless flame-proof switch has man-machine communication interface.
2. Intelligent contactless flame-proof switch according to claim 1, it is characterised in that: belong to noncontacting switch, switch
Switching inside complete conducting and no-spark of shutting off, without electric arc, there is no mechanical contact component, be not present dynamic thermal stability, machine
Tool service life, electricity are received the order the problems such as low；There is no noise, movement without friction；Without electromagnetic interference when on-off and work.
3. Intelligent contactless flame-proof switch according to claim 1, it is characterised in that: it is open-minded for no-voltage when opening,
Voltage is zero when opening, no-flashy-flow impact.
4. Intelligent contactless flame-proof switch according to claim 1, it is characterised in that: it is Zero current disjunction when disjunction,
Nature disjunction when electric current is zero, it is no electric arc, noiseless.
5. Intelligent contactless flame-proof switch according to claim 1, it is characterised in that: protection executes complete in a cycle
At,
T=1/f (one)
Wherein, T is the period, and unit S, f are ac power frequency, unit Hz；
When control module samples discovery failure, cutting instruction is issued in the current zero-crossing point cut-out switch in this period.
6. Intelligent contactless flame-proof switch according to claim 1, it is characterised in that: defencive function includes voltage, electricity
Stream, harmonic wave, temperature, inverse time-lag protection；Control module real-time sampling voltage, electric current, temperature signal are surpassed according to setting parameter
Pressure, low pressure, overcurrent, overload, electric current inverse-time curve, harmonic wave, overtemperature, low-temperature protection.
7. Intelligent contactless flame-proof switch according to claim 1, it is characterised in that: have RS232/RS485 communication
Mouthful；Control module integrates RS232/RS485 port, realizes remote real time monitoring, fault alarm, real-time control with control backstage
Deng.
8. Intelligent contactless flame-proof switch according to claim 1, it is characterised in that: have man-machine communication interface；It adopts
Technical grade is used to control chip as control host, whole system strong antijamming capability；Humanized man-machine interface, electricity consumption ginseng flexibly count
It is arranged, realizes stepless adjusting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650009.0A CN109388076A (en) | 2017-08-02 | 2017-08-02 | Intelligent contactless flame-proof switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650009.0A CN109388076A (en) | 2017-08-02 | 2017-08-02 | Intelligent contactless flame-proof switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109388076A true CN109388076A (en) | 2019-02-26 |
Family
ID=65411992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710650009.0A Pending CN109388076A (en) | 2017-08-02 | 2017-08-02 | Intelligent contactless flame-proof switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109388076A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241055A (en) * | 1998-07-02 | 2000-01-12 | 北京中利兴机电电子技术有限公司 | contactless intelligent switch device |
| JP2000032741A (en) * | 1998-07-08 | 2000-01-28 | Sansha Electric Mfg Co Ltd | Thyristor switching device |
| CN1547305A (en) * | 2003-12-05 | 2004-11-17 | 清华大学 | Dual power supply intelligent non-contact switch device with automatic switching and hot standby function |
| CN2834024Y (en) * | 2005-07-20 | 2006-11-01 | 上海申地自动化科技有限公司 | Explosion-proof contact-less switch |
| CN101826826A (en) * | 2009-03-06 | 2010-09-08 | 珠海市伏安达电子科技有限公司 | Intelligent motor control cabinet |
| CN201813165U (en) * | 2010-08-03 | 2011-04-27 | 扬州力智电气有限公司 | Intelligent control and protection compound switch |
| CN103326379A (en) * | 2013-07-11 | 2013-09-25 | 新乡市中宝电气有限公司 | High-power contactless module switch |
-
2017
- 2017-08-02 CN CN201710650009.0A patent/CN109388076A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241055A (en) * | 1998-07-02 | 2000-01-12 | 北京中利兴机电电子技术有限公司 | contactless intelligent switch device |
| JP2000032741A (en) * | 1998-07-08 | 2000-01-28 | Sansha Electric Mfg Co Ltd | Thyristor switching device |
| CN1547305A (en) * | 2003-12-05 | 2004-11-17 | 清华大学 | Dual power supply intelligent non-contact switch device with automatic switching and hot standby function |
| CN2834024Y (en) * | 2005-07-20 | 2006-11-01 | 上海申地自动化科技有限公司 | Explosion-proof contact-less switch |
| CN101826826A (en) * | 2009-03-06 | 2010-09-08 | 珠海市伏安达电子科技有限公司 | Intelligent motor control cabinet |
| CN201813165U (en) * | 2010-08-03 | 2011-04-27 | 扬州力智电气有限公司 | Intelligent control and protection compound switch |
| CN103326379A (en) * | 2013-07-11 | 2013-09-25 | 新乡市中宝电气有限公司 | High-power contactless module switch |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190226 |