CN206649310U - A kind of integrated time sets the IGCT contactor of function - Google Patents
A kind of integrated time sets the IGCT contactor of function Download PDFInfo
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- CN206649310U CN206649310U CN201621333215.6U CN201621333215U CN206649310U CN 206649310 U CN206649310 U CN 206649310U CN 201621333215 U CN201621333215 U CN 201621333215U CN 206649310 U CN206649310 U CN 206649310U
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- circuit
- igct
- contactor
- function
- detection circuit
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Abstract
A kind of integrated time sets the IGCT contactor of function, including the display board and mainboard being connected, display board is loaded with driving chip, driving chip connection working station indicator, numeral method and Cao Zuoanjian, mainboard is loaded with microprocessor, and the module being connected with the microprocessor includes：Thyristor driving circuit, IGCT state detection circuit, current detection circuit, power circuit, fan drive circuit, starting control signal deteching circuit, silicon control state indicator lamp, temperature sensing circuit, overtemperature malfunction indicator lamp, starting DO outputs and failure DO outputs, current detection circuit connects current transformer, for detecting rotor coil electric current, thyristor driving circuit connects thyristor module with IGCT state detection circuit, to control the break-make of rotor coil.
Description
Technical field
The utility model belongs to contactor technical field, and more particularly to a kind of integrated time sets the IGCT contact of function
Device.
Background technology
Accelerate to control for crane motor rotor at present, usage time relay delays time to control+common contact device combination
Realize.The shortcomings that this scheme is present has：Common contact device changes with the abrasion of iron core, makes system unstable；Time after
Electrical equipment delays time to control common contact device, increase conversion equipment, reduce system reliability；The group of the time relay and common contact device
Close, take the big quantity space in electrical control cabinet, connection is complicated, and investigation failure is difficult, increases user's standby redundancy quantity.
However, by the research to transformer technical scheme in the prior art, existing transformer is redesigned and combined, can but be solved
The problem of certainly existing crane motor rotor accelerates IGCT contactor in control.
Utility model content
The purpose of this utility model provides the IGCT contactor for a kind of integrated time setting function, substitutes existing common
Contactor and the time relay, simplify field apparatus, improve system reliability.It can realize that Delayed conducting, delay close by setting
Close, repetitive cycling delay.There is current protection, voltage protection function simultaneously.
A kind of integrated time sets the IGCT contactor of function, including the display board and mainboard being connected,
Display board is loaded with driving chip, and driving chip connection working station indicator, numeral method and operation are pressed
Key,
Mainboard is loaded with microprocessor, and the module being connected with the microprocessor includes：Thyristor driving circuit, IGCT shape
State detection circuit, current detection circuit, power circuit, fan drive circuit, starting control signal deteching circuit, silicon control state
Indicator lamp, temperature sensing circuit, overtemperature malfunction indicator lamp, starting DO outputs and failure DO outputs,
Current detection circuit connects current transformer, for detecting rotor coil electric current,
Thyristor driving circuit connects thyristor module with IGCT state detection circuit, to control the logical of rotor coil
It is disconnected.
Current transformer is that multiple current sensing means are applied in combination, or the combined integrated shaping of more current sensing means makes
With.
Current sensing means has shell, a hollow coil built in the shell, is wound on an insulating supporting, should
Coil is used for middle perforating body,
Coil has a connector, and induced voltage is exported for connection line plate.
The cross section of coil is cylindrical, square or rectangle.
The utility model sets delays time to control by microcontroller, realizes a kind of IGCT contact of integrated time function
Device, solve in crane motor rotor control system, existing convert resistance loop using common contact device and time after
Electrical equipment combination control, the various complexity of system wiring, investigation failure are difficult.The utility model simplifies design circuit, and wiring is simple, row
Look into failure conveniently, extend the service life of equipment.
Brief description of the drawings
Fig. 1 is circuit theory of constitution schematic diagram of the present utility model.
Fig. 2 is the top view of current testing device in the prior art.
Fig. 3 is one embodiment schematic diagram of the utility model current testing device.
Fig. 4 is one embodiment schematic diagram of the utility model current testing device.
Wherein, 1 --- coil
2 --- iron core
3 --- coil
4 --- lead
5 --- transformer
6 --- crust of the device
7 --- wiring board
8 --- connector
9 --- insulating supporting
10 --- conductor
Embodiment
As shown in figure 1, be a kind of block diagram of the IGCT contactor of integrated time function of the utility model, including：Display
Plate system and main board system.Wherein,
Display board system：Including working station indicator, numeral method, Cao Zuoanjian and the drive being connected with main board system
Dynamic chip.
Main board system：Including thyristor module, thyristor driving circuit, IGCT state detection circuit, current transformer,
Current detection circuit, power circuit, fan drive circuit, starting control signal deteching circuit, microprocessor, silicon control state refer to
Show lamp, temperature sensing circuit, overtemperature malfunction indicator lamp, starting DO outputs, failure DO outputs.
Current detection circuit connects current transformer, for detecting rotor coil electric current, thyristor driving circuit and brilliant lock
Pipe state detection circuit connects thyristor module, to control the break-make of rotor coil.
The time of the microprocessor sets function to be set by pattern and realized, including pattern H 0, pattern H 1, pattern H
2 and pattern H 3, wherein,
Pattern H 0, which is used to close, to be delayed, and compatible existing contactor, has control signal conducting function, but uncontrollable
Signal-off,
Pattern H 1 is used for Delayed conducting, and there is control signal Delayed conducting and delay to set time value function, but can not
Control signal is closed,
Pattern H 2 is used for time-delay closing, and there is control signal conducting and delay to set time value function, but uncontrollable
Signal time-delay closing,
Pattern H 3 is used to circulate, and has control signal conducting, sets delay time value and closes delay time value function,
But uncontrollable signal-off,
Have again, described time value, there are 3 kinds of time ranges, be 0.1s -9.9s respectively, 1s -999s, 1min -
999min。
As shown in figure 3, be the schematic diagram of the utility model current sensing means, the current sensing means is foregoing by 3
The combined integrated shaping of current sensing means.The device has shell, a hollow coil built in the shell, is wound in one absolutely
In edge support, the coil is used for middle perforating body, and coil has a connector, and induced voltage is exported for connection line plate.Coil
Cross section for circle.
Preferred embodiment of the present utility model is the foregoing is only, is not limited to the utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all in the spirit and principles of the utility model
Within, any modification, equivalent substitution and improvements made etc., it should be included within right of the present utility model.
Claims (4)
1. a kind of integrated time sets the IGCT contactor of function, it is characterised by, including the display board and mainboard being connected,
Display board is loaded with driving chip, driving chip connection working station indicator, numeral method and Cao Zuoanjian,
Mainboard is loaded with microprocessor, and the module being connected with the microprocessor includes：Thyristor driving circuit, the inspection of IGCT state
Slowdown monitoring circuit, current detection circuit, power circuit, fan drive circuit, starting control signal deteching circuit, silicon control state instruction
Lamp, temperature sensing circuit, overtemperature malfunction indicator lamp, starting DO outputs and failure DO outputs,
Current detection circuit connects current transformer, for detecting rotor coil electric current,
Thyristor driving circuit connects thyristor module with IGCT state detection circuit, to control the break-make of rotor coil.
2. a kind of integrated time as claimed in claim 1 sets the IGCT contactor of function, it is characterised by having electric current mutual
Sensor, electric current can be measured.
3. a kind of integrated time as claimed in claim 2 sets the IGCT contactor of function, it is characterised in that current detecting
Device has shell, a hollow coil built in the shell, is wound on an insulating supporting, and the coil is used for middle perforating
Body, coil have a connector, and induced voltage is exported for connection line plate.
4. a kind of integrated time as claimed in claim 2 sets the IGCT contactor of function, it is characterised in that the horizontal stroke of coil
Section is cylindrical, square or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333215.6U CN206649310U (en) | 2016-12-07 | 2016-12-07 | A kind of integrated time sets the IGCT contactor of function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621333215.6U CN206649310U (en) | 2016-12-07 | 2016-12-07 | A kind of integrated time sets the IGCT contactor of function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206649310U true CN206649310U (en) | 2017-11-17 |
Family
ID=60283135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621333215.6U Active CN206649310U (en) | 2016-12-07 | 2016-12-07 | A kind of integrated time sets the IGCT contactor of function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206649310U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812090A (en) * | 2019-05-10 | 2021-12-17 | Abb瑞士股份有限公司 | Thyristor circuit and thyristor protection method |
| US11984881B2 (en) | 2019-05-10 | 2024-05-14 | Abb Schweiz Ag | Thyristor circuit and thyristor protection method |
-
2016
- 2016-12-07 CN CN201621333215.6U patent/CN206649310U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113812090A (en) * | 2019-05-10 | 2021-12-17 | Abb瑞士股份有限公司 | Thyristor circuit and thyristor protection method |
| CN113812090B (en) * | 2019-05-10 | 2024-04-26 | Abb瑞士股份有限公司 | Thyristor circuit and thyristor protection method |
| US11984881B2 (en) | 2019-05-10 | 2024-05-14 | Abb Schweiz Ag | Thyristor circuit and thyristor protection method |
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