CN106571738A - Device and method for controlling on/off of current transformer - Google Patents
Device and method for controlling on/off of current transformer Download PDFInfo
- Publication number
- CN106571738A CN106571738A CN201610947321.1A CN201610947321A CN106571738A CN 106571738 A CN106571738 A CN 106571738A CN 201610947321 A CN201610947321 A CN 201610947321A CN 106571738 A CN106571738 A CN 106571738A
- Authority
- CN
- China
- Prior art keywords
- controller
- current transformer
- control
- conversion unit
- signal
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
Abstract
The invention discloses a device and method for controlling the on/off of a current transformer, and the device comprises a power conversion unit, a contactor, a controller, and an auxiliary power module. The electric energy is outputted through a contactor after being converted by the power conversion unit. The controller is connected with the power conversion unit, and is used for controlling the on/off of the power conversion unit. The controller is connected with the contactor, and is used for controlling the on/off of the contactor. The auxiliary power module is connected with the controller and a trip accessory mechanism of the contactor. The controller also comprises a manual switch, a display screen, and an indicating lamp. The manual switch is used for providing a pre-start signal for the controller. The display screen comprises a virtual key control, and is used for providing a start signal for the controller. The indicating lamp is used for displaying the working state of the current transformer. The device is convenient for control, can effectively guarantee the safe start and stop of the current transformer, and meets the frequency switching-on/switching-off operation demands.
Description
Technical field
The present invention relates to current transformer on off control technical field, more particularly to a kind of current transformer on off control device and control
Method.
Background technology
Converter device is that the translation circuit being made up of semiconductor power switch device controller control realizes electric energy
The equipment of conversion, while for the ease of protecting control, the output of converter device to be configured with catalyst controlling switch etc., principle is shown
Meaning block diagram is as shown in Figure 1.Always exported by the adhesive control system of controller system controlled output catalyst, be simultaneously emitted by pulse
Control signal controls the power output of power conversion unit.In converter device actual field is used, due to converter device
Power is big, field working conditions are complicated（Possible start and stop are more frequent）, the how safe start and stop of operator is one very real
Application problem.Currently existing scheme is as follows, but in certain defect：Or the 1st, have plenty of and opened by starting/stopping key knob
Close given controller low and high level signal to control the start and stop of whole device；Or but only opened by starting/stopping key knob
Close given controller low and high level to control the start and stop of whole device, there is possibility system failure defect causes device to play machine damage
Risk, and for the reliability for needing the application scenario of frequent start-stop, start and stop key or rotary switch certainly will affect system operation.
2nd, has plenty of configuration display screen, signal connection between display screen and controller controls whole current transformer dress by display screen interface
Put；But operator's operation problem not in time when only there may be emergency shutdown by display screen interface operation.
Publication No. is that the application for a patent for invention of CN 105334411 and publication No. are special for the utility model of CN 205427577
Profit is the background technology of the present invention.
The content of the invention
The technical problem to be solved in the present invention is that：For the technical problem that prior art is present, the present invention provides one
Kind possesses multiboot controlling switch and multiple running status shows, in current transformer start-up course, is operated with manual switches control
Current transformer carries out self-inspection by pretrigger, and controlling power conversion unit again after self-inspection passes through carries out self diagnosis operation, is passing through
Formally start current transformer operation after self diagnosis operation again, can effectively ensure that current transformer clean boot and stopping, satisfaction is frequently opened
The current transformer on off control device and control method of power-off operation control.
To solve above-mentioned technical problem, technical scheme proposed by the present invention is：A kind of current transformer on off control device, including
Power conversion unit, catalyst, controller and auxiliary power module, electric energy Jing catalysts Jing after power conversion unit conversion are defeated
Go out, controller is connected to control with the power conversion unit, and it is started or stoped, and controller is connected use with the catalyst
In control its be opened or closed, the auxiliary power module respectively with the controller and the tripping operation attachment mechanism of the catalyst
Connection, the controller also includes hand switch, display screen and display lamp；The hand switch is used to be opened in advance to controller offer
Dynamic signal；The display screen includes virtual controlling button, for providing enabling signal to controller；The display lamp is used to show
The working condition of current transformer.
Used as the further improvement of this device, the hand switch is key switch or start and stop rotary switch.
Used as the further improvement of this device, also including tight guard's valve, the tight guard's valve is connected on the accessory power supply
Between module and the controller.
Used as the further improvement of this device, the tight guard's valve is variable connector, wherein being connected on the auxiliary all the way
Between power module and the tripping operation attachment mechanism of the catalyst.
Used as the further improvement of this device, also including tight guard's valve, the tight guard's valve is connected on the accessory power supply
Between module and the tripping operation attachment mechanism of the catalyst.
As the further improvement of this device, also switch including auxiliary power supply, the auxiliary power supply switch is connected on described
Between auxiliary power module and the controller.
Used as the further improvement of this device, the display screen also includes network communication interface.
A kind of control method of current transformer on off control device, including current transformer starts control process and current transformer stops control
Process processed；
The current transformer starts control process concrete steps to be included：
S1.1. hand switch is closed, to controller high potential pre-actuation signal is sent；
S1.2. controller carries out self-inspection to current transformer, when self-inspection by when jump to step S1.3, otherwise jump to step
S1.6；
S1.3. enabling signal is sent to controller by the virtual controlling button of display screen, controller to power conversion unit is sent out
Self diagnosis operation is sent to enable signal；
S1.4. power conversion unit carries out self diagnosis operation, and feeds back self diagnosis operation result to controller, works as power conversion
When the operation of unit self diagnosis passes through, step S1.5 is jumped to, otherwise jump to step S1.6；
S1.5. controller control contactor closure, sends to power conversion unit and starts enable signal；
S1.6. failure condition is shown by display and display lamp, into troubleshooting；
The current transformer stops control process concrete steps to be included：
S2.1. hand switch is beaten to stop position, and to controller electronegative potential stop signal is sent；
S2.2. controller sends disable signal to changed power unit, and control power cell stops；
S2.3. controller sends sub-gate signal, control contactor separating brake to catalyst.
Used as the further improvement of this method, also including emergency stopping step, concrete steps include：Tight guard's valve is pressed,
So that controller power down forced stoppage, power conversion unit quits work, major loop switch trip.
Used as the further improvement of this method, also including standby and recovery process, standby includes：By display screen to
Controller transmit power converter unit disable signal, control power cell quits work, into holding state；Recovery process includes
Sent to controller by display screen and recover signal, controller sends to start to power cell and enables signal, and current transformer starts fortune
OK.
Compared with prior art, it is an advantage of the current invention that：
1st, device of the invention possesses multiboot controlling switch and multiple running status shows, is operated with manual switches and display screen
Cooperation, it can be ensured that converter device clean boot and stopping, display screen also have network communication interface, by with display screen
The host computer remotely control current transformer of connection, easy to control, satisfaction frequently switches on the demand of machine.
2nd, control method of the invention, in current transformer start-up course, is operated with manual switches control current transformer by opening in advance
Dynamic to carry out self-inspection, controlling power conversion unit again after self-inspection passes through carries out self diagnosis operation, after being run by self diagnosis again
It is formal to start current transformer operation, current transformer clean boot and stopping are can effectively ensure that, by standby and recovering step, can effectively expire
Foot frequently switches on the demand of machine.
Description of the drawings
Fig. 1 is converter device principle schematic.
Fig. 2 is the current transformer on off control principle of device schematic diagram of the present invention.
Fig. 3 specifically arranges schematic diagram one for the tight guard's valve of the present invention.
Fig. 4 specifically arranges schematic diagram two for the tight guard's valve of the present invention.
Fig. 5 specifically arranges schematic diagram three for the tight guard's valve of the present invention.
Fig. 6 is start-up course schematic flow sheet of the present invention.
Fig. 7 is stopped process schematic flow sheet of the present invention.
Specific embodiment
Below in conjunction with Figure of description and concrete preferred embodiment, the invention will be further described, but not therefore and
Limit the scope of the invention.
As shown in Fig. 2 the current transformer on off control device of the present embodiment, including power conversion unit, catalyst, controller
And auxiliary power module, electric energy Jing catalysts output Jing after power conversion unit conversion, controller is connected with power conversion unit
Start or stop for controlling it, controller is connected to control with catalyst, and it is opened or closed, auxiliary power module difference
It is connected with the tripping operation attachment mechanism of controller and catalyst, controller also includes hand switch, display screen and display lamp；Open manually
Close for providing pre-actuation signal to controller；Display screen includes virtual controlling button, for providing enabling signal to controller；
Display lamp is used to show the working condition of current transformer.Hand switch is key switch or start and stop rotary switch.
In the present embodiment, also including tight guard's valve, tight guard's valve is using controlling switch and main circuit open circuit controlling switch
Two parts, main circuit open circuit controlling switch connects on the main circuit, and controlling switch is used to control main circuit open circuit controlling switch
Open circuit, main circuit open circuit controlling switch can be catalyst or relay.In the present embodiment, the concrete setting side of tight guard's valve
Formula includes several different concrete forms.The first form is：As shown in figure 3, tight guard's valve be connected on auxiliary power module with
Between controller.The main circuit open circuit controlling switch being connected on by controlling switch control between auxiliary power module and controller
Open circuit so that controller power-off, so as to realize the emergent stopping of current transformer.Second form be：As shown in figure 4, tight guard's valve
For variable connector, wherein being connected on all the way between auxiliary power module and the tripping operation attachment mechanism of catalyst.In tight guard's valve
Being connected on all the way between auxiliary power module and controller in main circuit open circuit controlling switch, is connected on all the way accessory power supply mould
Between block and the tripping operation attachment mechanism of catalyst, two-way is coordinated signals, by controlling switch, can make main circuit open circuit control
The two-way of switch power-off simultaneously, so as to realize the emergent stopping of current transformer.The third form is：As shown in figure 5, tight guard's valve string
It is associated between auxiliary power module and the tripping operation attachment mechanism of catalyst.By controlling switch, the tripping operation of catalyst can be caused
Attachment mechanism dead electricity, so as to catalyst disconnection so that the output of current transformer disconnects.Meanwhile, in the present embodiment, also including auxiliary
Power switch, auxiliary power supply switch is connected between auxiliary power module and controller.After the output of current transformer disconnects, can lead to
Cross control auxiliary power supply to switch off so that controller dead electricity, so as to realize current transformer emergent stopping.
In this example it is shown that screen also includes network communication interface.By network communication interface, display screen can with it is upper
Position machine network connection, receives the control instruction that host computer is sent by network, remotely control display screen execution action.
As shown in fig. 6, the control method of the current transformer on off control device of the present embodiment, including current transformer starts and controlled
Journey and current transformer stop control process；Current transformer starts control process concrete steps to be included：S1.1. hand switch is closed, to
Controller sends high potential pre-actuation signal；S1.2. controller carries out self-inspection to current transformer, when self-inspection by when jump to step
Rapid S1.3, otherwise jumps to step S1.6；S1.3. enabling signal is sent to controller by the virtual controlling button of display screen,
Controller sends self diagnosis operation and enables signal to power conversion unit；S1.4. power conversion unit carries out self diagnosis operation,
And self diagnosis operation result is fed back to controller, and when the operation of power conversion unit self diagnosis passes through, step S1.5 is jumped to, it is no
Then jump to step S1.6；S1.5. controller control contactor closure, sends to power conversion unit and starts enable signal；
S1.6. failure condition is shown by display and display lamp, into troubleshooting；As shown in fig. 7, current transformer stops controlling
Journey concrete steps include：S2.1. hand switch is beaten to stop position, and to controller electronegative potential stop signal is sent；S2.2. control
Device to changed power unit sends disable signal, and control power cell stops；S2.3. controller sends separating brake letter to catalyst
Number, control contactor separating brake.The present embodiment also includes emergency stopping step, and concrete steps include：Press tight guard's valve so that control
Device power down forced stoppage processed, power conversion unit quits work, major loop switch trip.
The present embodiment also includes standby and recovery process, and standby includes：By display screen to controller transmit power
Converter unit disable signal, control power cell quits work, into holding state；Recovery process is included by display screen to control
Device processed sends and recovers signal, and controller sends to start to power cell and enables signal, current transformer startup optimization.
Above-mentioned simply presently preferred embodiments of the present invention, not makees any pro forma restriction to the present invention.Although of the invention
It is disclosed above with preferred embodiment, but it is not limited to the present invention.Therefore, it is every without departing from technical solution of the present invention
Content, according to the technology of the present invention essence to any simple modification made for any of the above embodiments, equivalent variations and modification, all should fall
In the range of technical solution of the present invention protection.
Claims (10)
1. a kind of current transformer on off control device, including power conversion unit, catalyst, controller and auxiliary power module, electricity
Jing catalysts can export Jing after power conversion unit conversion, controller is connected to control its startup with the power conversion unit
Or stop, controller and the catalyst are connected to control it to be opened or closed, the auxiliary power module respectively with it is described
The tripping operation attachment mechanism connection of controller and the catalyst, it is characterised in that：The controller also includes hand switch, shows
Screen and display lamp；The hand switch is used to provide pre-actuation signal to controller；The display screen includes virtual controlling button,
For providing enabling signal to controller；The display lamp is used to show the working condition of current transformer.
2. current transformer on off control device according to claim 1, it is characterised in that：The hand switch is key switch
Or start and stop rotary switch.
3. current transformer on off control device according to claim 2, it is characterised in that：Also include tight guard's valve, it is described tight
Guard's valve is connected between the auxiliary power module and the controller.
4. current transformer on off control device according to claim 3, it is characterised in that：The tight guard's valve is opened for multichannel
Close, wherein being connected on all the way between the auxiliary power module and the tripping operation attachment mechanism of the catalyst.
5. current transformer on off control device according to claim 2, it is characterised in that：Also include tight guard's valve, it is described tight
Guard's valve is connected between the auxiliary power module and the tripping operation attachment mechanism of the catalyst.
6. current transformer on off control device according to claim 5, it is characterised in that：Also switch including auxiliary power supply, institute
State auxiliary power supply switch to be connected between the auxiliary power module and the controller.
7. the current transformer on off control device according to any one of claim 1 to 6, it is characterised in that：The display screen is also
Including network communication interface.
8. a kind of control method of current transformer on off control device, it is characterised in that start control process and change including current transformer
Stream device stops control process；
The current transformer starts control process concrete steps to be included：
S1.1. hand switch is closed, to controller high potential pre-actuation signal is sent；
S1.2. controller carries out self-inspection to current transformer, when self-inspection by when jump to step S1.3, otherwise jump to step
S1.6；
S1.3. enabling signal is sent to controller by the virtual controlling button of display screen, controller to power conversion unit is sent out
Self diagnosis operation is sent to enable signal；
S1.4. power conversion unit carries out self diagnosis operation, and feeds back self diagnosis operation result to controller, works as power conversion
When the operation of unit self diagnosis passes through, step S1.5 is jumped to, otherwise jump to step S1.6；
S1.5. controller control contactor closure, sends to power conversion unit and starts enable signal；
S1.6. failure condition is shown by display and display lamp, into troubleshooting；
The current transformer stops control process concrete steps to be included：
S2.1. hand switch is beaten to stop position, and to controller electronegative potential stop signal is sent；
S2.2. controller sends disable signal to changed power unit, and control power cell stops；
S2.3. controller sends sub-gate signal, control contactor separating brake to catalyst.
9. the control method of current transformer on off control device according to claim 8, it is characterised in that：Also include promptly stopping
Halt rapid, concrete steps include：Press tight guard's valve so that controller power down forced stoppage, power conversion unit quits work,
Major loop switch trip.
10. the control method of current transformer on off control device according to claim 8, it is characterised in that：Also include standby
And recovery process, standby includes：By display screen to controller transmit power converter unit disable signal, power list is controlled
Unit quits work, into holding state；Recovery process includes being sent to controller by display screen recovers signal, and controller is to work(
Rate unit sends to start and enables signal, current transformer startup optimization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947321.1A CN106571738B (en) | 2016-10-26 | 2016-10-26 | A kind of current transformer start-up and shut-down control device and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610947321.1A CN106571738B (en) | 2016-10-26 | 2016-10-26 | A kind of current transformer start-up and shut-down control device and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106571738A true CN106571738A (en) | 2017-04-19 |
| CN106571738B CN106571738B (en) | 2019-05-14 |
Family
ID=58536639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610947321.1A Active CN106571738B (en) | 2016-10-26 | 2016-10-26 | A kind of current transformer start-up and shut-down control device and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106571738B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921383A (en) * | 2021-01-20 | 2021-06-08 | 珠海松柏科技有限公司 | Electroplating production equipment and instant starting method of rectifier |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556844Y (en) * | 2002-06-24 | 2003-06-18 | 北京四海金帆智能控制技术有限公司 | Special controller for frequency changer |
| CN202749834U (en) * | 2012-06-21 | 2013-02-20 | 天宝电子（惠州）有限公司 | Low-voltage ride through device of photovoltaic grid-connected inverter |
| CN103217921A (en) * | 2013-05-03 | 2013-07-24 | 济钢集团有限公司 | Start-stop control device of relay-contact-type control electrical equipment |
| CN103578854A (en) * | 2012-08-10 | 2014-02-12 | 伊顿电气Ip两合公司 | Control device for a switching device with separate start-up and holding coils |
| CN104682431A (en) * | 2015-02-16 | 2015-06-03 | 江苏中天科技股份有限公司 | Self-starting method and self-starting system of energy storage converter |
| CN104714502A (en) * | 2013-12-12 | 2015-06-17 | 北车大连电力牵引研发中心有限公司 | Control system |
-
2016
- 2016-10-26 CN CN201610947321.1A patent/CN106571738B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556844Y (en) * | 2002-06-24 | 2003-06-18 | 北京四海金帆智能控制技术有限公司 | Special controller for frequency changer |
| CN202749834U (en) * | 2012-06-21 | 2013-02-20 | 天宝电子（惠州）有限公司 | Low-voltage ride through device of photovoltaic grid-connected inverter |
| CN103578854A (en) * | 2012-08-10 | 2014-02-12 | 伊顿电气Ip两合公司 | Control device for a switching device with separate start-up and holding coils |
| CN103217921A (en) * | 2013-05-03 | 2013-07-24 | 济钢集团有限公司 | Start-stop control device of relay-contact-type control electrical equipment |
| CN104714502A (en) * | 2013-12-12 | 2015-06-17 | 北车大连电力牵引研发中心有限公司 | Control system |
| CN104682431A (en) * | 2015-02-16 | 2015-06-03 | 江苏中天科技股份有限公司 | Self-starting method and self-starting system of energy storage converter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112921383A (en) * | 2021-01-20 | 2021-06-08 | 珠海松柏科技有限公司 | Electroplating production equipment and instant starting method of rectifier |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106571738B (en) | 2019-05-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205283245U (en) | Automatic change -over switch device | |
| CN106685271A (en) | Running state control method of brushless double-fed motor | |
| CN201898374U (en) | Automatic switching device based on emergency power supply system | |
| CN203301225U (en) | Control device based on security-section interlocking self-switchover of gas-steam combined unit | |
| CN106571738A (en) | Device and method for controlling on/off of current transformer | |
| CN202326141U (en) | Water pump control cabinet | |
| CN102817778B (en) | Method and device for preventing PLC (programmable logic controller) control system of fan from crashing | |
| CN214409686U (en) | Direct-current oil pump starting control system based on DCS | |
| CN207504787U (en) | A kind of low voltage motor control system | |
| CN103326457A (en) | Control method and control device based on gas-steam integral unit security segment interlock automatic switch | |
| CN203747385U (en) | Switch machine time-limited open-phase protector with two sets of control circuit | |
| CN202217596U (en) | Secondary loop control circuit for operation mechanism of isolating switch | |
| CN204959873U (en) | A two frequency conversion automatic switching system for water supply equipment | |
| CN103437985A (en) | Method for controlling rapid stream capture of electrical water supply pump | |
| CN202789325U (en) | Device for preventing PLC (Programmable Logic Controller) control system of wind power generator from galloping | |
| CN204041502U (en) | A kind of cooling blower control system | |
| CN206268048U (en) | Air compressor machine frequency conversion system with standby frequency converter | |
| CN104154628A (en) | Device for automatically starting air conditioner | |
| CN206775427U (en) | Threephase asynchronous based on monitoring and controlling circuit breaking | |
| CN202475330U (en) | Alarm for preventing motor from being started by mistake | |
| CN205945581U (en) | Control circuit of double power beam -pumping unit | |
| CN101710736B (en) | Intelligent controller of transformer substation | |
| CN2443540Y (en) | Reverse turn brake for jet fan | |
| CN204967671U (en) | High -voltage inverter and high -pressure solid -state soft starter's interlocking control scheme | |
| CN205647006U (en) | Extremely fast combined electrical apparatus that suits |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |