CN217642695U - Three-phase synchronous on-off generator output module - Google Patents
Three-phase synchronous on-off generator output module Download PDFInfo
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- CN217642695U CN217642695U CN202220993039.8U CN202220993039U CN217642695U CN 217642695 U CN217642695 U CN 217642695U CN 202220993039 U CN202220993039 U CN 202220993039U CN 217642695 U CN217642695 U CN 217642695U
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Abstract
The utility model provides a three-phase synchronous on-off generator output module, which can quickly execute on-off operation on an electric power output circuit, and the output end of a generator outputs direct current through a second rectifying circuit to drive an external load and is also connected with a first rectifying circuit; the direct current output end of the first rectifying circuit is connected with the trigger module to form a trigger circuit with an on-off control end; the input end of the second rectifying circuit is connected with the three-phase output end of the generator and comprises three direct current rectifying units which are respectively connected with three power output ends of the generator; each direct current rectifying unit comprises a controllable thyristor and a diode connected with the controllable thyristor in series; g end and K end of the controllable thyristor of each direct current rectification unit are connected with the on-off control end of the trigger circuit, and the trigger circuit synchronously controls each controllable thyristor to make direct current output of the three direct current rectification units quickly and synchronously switched on or quickly and synchronously switched off; the utility model discloses can be used for the quick break-make of supply circuit under the adverse circumstances.
Description
Technical Field
The utility model belongs to the technical field of the circuit technique and specifically relates to generator output module of synchronous break-make of three-phase.
Background
The electromagnet of the hoisting equipment is usually provided with electric power by a special generator, the on-off response requirement on power supply is very high, the working environment of the hoisting equipment is sometimes severe, and the on-off of a circuit in a mechanical mode can not meet the quick on-off response requirement of the circuit in the severe environment due to the fact that the environment is polluted.
Disclosure of Invention
The utility model provides a generator output module of synchronous break-make of three-phase can be used for the quick break-make of supply circuit under the adverse circumstances.
The utility model adopts the following technical scheme.
The three-phase synchronous on-off generator output module can quickly perform on-off operation on a power output circuit of the generator, and the output end of the generator outputs direct current through the second rectifying circuit to drive an external load and is also connected with the first rectifying circuit; the direct current output end of the first rectifying circuit is connected with the trigger module to form a trigger circuit with an on-off control end;
the input end of the second rectifying circuit is connected with the three-phase output end of the generator and comprises three direct current rectifying units which are respectively connected with three power output ends of the generator; each direct current rectifying unit comprises a controllable thyristor and a diode connected with the controllable thyristor in series; the G end and the K end of the controllable thyristor of each direct current rectification unit are connected with the on-off control end of the trigger circuit, and the trigger circuit synchronously controls each controllable thyristor to enable the direct current output of the three direct current rectification units to be quickly and synchronously switched on or switched off.
The trigger circuit comprises an external on-off switch, the on-off switch controls the signal output of the on-off control end of the trigger circuit and synchronously switches on or synchronously switches off the direct current outputs of the three direct current rectification units.
The generator is arranged at the crane, and the output circuit of the generator is a power supply circuit special for the electromagnet of the crane hoisting mechanism
The first rectifying circuit comprises a rectifying bridge for outputting low-voltage direct current, and the trigger module is a thyristor element or a voltage-regulator tube element.
The second rectification circuit is a high-power follow current circuit and comprises a half-wave controllable full-wave rectification circuit structure.
Two ends of a thyristor of each direct current rectifying unit are connected with a resistance-capacitance absorption protection plate in parallel; and a capacitor element and a resistor element which are connected in series are arranged in the resistance-capacitance absorption protection plate.
The first rectifying circuit and the trigger circuit are integrated in a three-phase intelligent on-off module, and the three-phase intelligent on-off module comprises three alternating current input terminals for connecting three-phase output ends of the generator, a pair of direct current output terminals for connecting a G end and a K end of each controllable thyristor, and a pair of switch control terminals for externally connecting an on-off switch; and the on-off control end of the trigger circuit is connected with the direct current output terminal.
And the contactless switch in the three-phase intelligent on-off module is used for quickly switching on or switching off the power output circuit of the generator in a static mode.
The external load is a high-inductance load, and the output end of the second rectifying circuit is directly connected with the external load.
The high-inductive load is a high-power direct-current electromagnet, and the electric power output by the generator is only supplied to the direct-current electromagnet for use.
The three-phase intelligent on-off module adopts the appearance structure of a curing module, the protection grade of the three-phase intelligent on-off module is IP66, and terminals exposed outside a module shell are an alternating current input terminal, a direct current output terminal and a switch control terminal.
The utility model discloses a main effect is with the alternating current rectification one-tenth direct current, provides the electric energy for more powerful direct current consumer, the utility model discloses the design of peculiar controllable thyristor rectifier bridge group makes the module have contactless switch's special function, can realize static quick switch-on or cut off. Abandons the mechanical relay of the traditional control circuit, has the advantages of high efficiency, energy conservation, convenient operation, silence, environmental protection, simple structure, small volume, no maintenance, long service life and the like,
in the scheme, trigger circuit only needs external break-make switch just can control module direct current output's switch-on and cut off, and unique high-power afterflow circuit design also can reliably cut off fast when having ensured the load of inductance of electricity.
Because the utility model discloses do not use the relay to carry out the break-make operation to the circuit, consequently can work in adverse circumstances, be difficult for producing mechanical switch's inefficacy trouble.
Because the utility model discloses form on-off control signal with the output power of generator itself after step-down and alternating current-direct current transform, consequently can directly influence control signal when generator work is unstable, make the external power supply of system automatic cutout generator, can ensure that electromagnetic equipment is safe when the operation.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
FIG. 1 is a schematic circuit diagram of the present invention;
fig. 2 is a schematic diagram of the three-phase intelligent on-off module of the present invention;
in the figure: 1-a first rectifying circuit; 2-a trigger module; 3-a trigger circuit; 4-a resistance-capacitance absorption protection plate; 5-a direct current rectifying unit; 6-a rectifier bridge; 7-a generator; 8-a second rectifying circuit.
Detailed Description
As shown in the figure, the three-phase synchronous on-off generator output module can quickly perform on-off operation on a power output circuit of a generator 7, and the output end of the generator outputs direct current through a second rectifying circuit 8 to drive an external load and is also connected with a first rectifying circuit 1; the direct current output end of the first rectifying circuit is connected with the trigger module 2 to form a trigger circuit 3 with an on-off control end;
the input end of the second rectifying circuit is connected with the three-phase output end of the generator and comprises three direct current rectifying units 5 which are respectively connected with three power output ends of the generator; each direct current rectifying unit comprises a controllable thyristor and a diode connected with the controllable thyristor in series; the G end and the K end of the controllable thyristor of each direct current rectification unit are connected with the on-off control end of the trigger circuit, and the trigger circuit synchronously controls each controllable thyristor to enable the direct current output of the three direct current rectification units to be quickly and synchronously switched on or switched off.
The trigger circuit comprises an external on-off switch, the on-off switch controls the signal output of the on-off control end of the trigger circuit and synchronously switches on or off the direct current outputs of the three direct current rectification units.
The generator is arranged at the crane, and the output circuit of the generator is a power supply circuit special for the electromagnet of the crane hoisting mechanism
The first rectifying circuit comprises a rectifying bridge 6 for outputting low-voltage direct current, and the trigger module is a thyristor element or a voltage-regulator tube element.
The second rectification circuit is a high-power follow current circuit and comprises a half-wave controllable full-wave rectification circuit structure.
Two ends of a thyristor of each direct current rectifying unit are connected with a resistance-capacitance absorption protection plate 4 in parallel; and a capacitor element and a resistor element which are connected in series are arranged in the resistance-capacitance absorption protection plate.
The first rectification circuit and the trigger circuit are integrated in the three-phase intelligent on-off module, and the three-phase intelligent on-off module comprises three alternating current input terminals for connecting three-phase output ends of the generator, a pair of direct current output terminals for connecting G ends and K ends of all controllable thyristors and a pair of switch control terminals for externally connecting an on-off switch; and the on-off control end of the trigger circuit is connected with the direct current output terminal.
And the contactless switch in the three-phase intelligent on-off module is used for quickly switching on or switching off the power output circuit of the generator in a static mode.
The external load is a high-inductance load, and the output end of the second rectifying circuit is directly connected with the external load.
The high-inductive load is a high-power direct-current electromagnet, and the power output by the generator is only supplied to the direct-current electromagnet.
The three-phase intelligent on-off module adopts the appearance structure of a curing module, the protection grade of the three-phase intelligent on-off module is IP66, and terminals exposed outside a module shell are an alternating current input terminal, a direct current output terminal and a switch control terminal.
Claims (10)
1. The generator output module of the synchronous break-make of three-phase can carry out the break-make operation to the electric power output circuit of generator fast, its characterized in that: the output end of the generator outputs direct current through the second rectifying circuit to drive an external load and is also connected with the first rectifying circuit; the direct current output end of the first rectifying circuit is connected with the trigger module to form a trigger circuit with an on-off control end;
the input end of the second rectifying circuit is connected with the three-phase output end of the generator and comprises three direct current rectifying units which are respectively connected with three power output ends of the generator; each direct current rectifying unit comprises a controllable thyristor and a diode connected with the controllable thyristor in series; g end and K end of the controllable thyristor of each direct current rectification unit are connected with the on-off control end of the trigger circuit, and the trigger circuit synchronously controls each controllable thyristor to make direct current output of the three direct current rectification units quickly and synchronously switched on or quickly and synchronously switched off;
the first rectifying circuit comprises a rectifying bridge for outputting low-voltage direct current, and the trigger module is a thyristor element or a voltage-regulator tube element.
2. The three-phase synchronous make-and-break generator output module of claim 1, wherein: the trigger circuit comprises an external on-off switch, the on-off switch controls the signal output of the on-off control end of the trigger circuit and synchronously switches on or off the direct current outputs of the three direct current rectification units.
3. The three-phase synchronous make-and-break generator output module of claim 1, wherein: the generator is arranged at the crane, and the output circuit of the generator is a special power supply circuit for the electromagnet of the crane hoisting mechanism.
4. The three-phase synchronous make-and-break generator output module of claim 1, wherein: the second rectification circuit is a high-power follow current circuit and comprises a half-wave controllable full-wave rectification circuit structure.
5. The three-phase synchronous make-and-break generator output module of claim 1, wherein: two ends of a thyristor of each direct current rectifying unit are connected with a resistance-capacitance absorption protection plate in parallel; and a capacitor element and a resistor element which are connected in series are arranged in the resistance-capacitance absorption protection board.
6. The three-phase synchronous make-and-break generator output module of claim 2, wherein: the first rectification circuit and the trigger circuit are integrated in the three-phase intelligent on-off module, and the three-phase intelligent on-off module comprises three alternating current input terminals for connecting three-phase output ends of the generator, a pair of direct current output terminals for connecting G ends and K ends of all controllable thyristors and a pair of switch control terminals for externally connecting an on-off switch; and the on-off control end of the trigger circuit is connected with the direct current output terminal.
7. The three-phase synchronously switched-on/off generator output module of claim 6, wherein: and the contactless switch in the three-phase intelligent on-off module is used for quickly switching on or quickly switching off the power output circuit of the generator in a static mode.
8. The three-phase synchronously switched-on/off generator output module of claim 6, wherein: the external load is a high-inductive load, and the output end of the second rectifying circuit is directly connected with the external load.
9. The three-phase synchronously switched-on/off generator output module of claim 8, wherein: the high-inductive load is a high-power direct-current electromagnet, and the power output by the generator is only supplied to the direct-current electromagnet.
10. The three-phase synchronously switched-on/off generator output module of claim 6, wherein: the three-phase intelligent on-off module adopts the appearance structure of a curing module, the protection grade of the three-phase intelligent on-off module is IP66, and terminals exposed outside a module shell are an alternating current input terminal, a direct current output terminal and a switch control terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220993039.8U CN217642695U (en) | 2022-04-27 | 2022-04-27 | Three-phase synchronous on-off generator output module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220993039.8U CN217642695U (en) | 2022-04-27 | 2022-04-27 | Three-phase synchronous on-off generator output module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217642695U true CN217642695U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220993039.8U Active CN217642695U (en) | 2022-04-27 | 2022-04-27 | Three-phase synchronous on-off generator output module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217642695U (en) |
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2022
- 2022-04-27 CN CN202220993039.8U patent/CN217642695U/en active Active
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