CN220254124U - Remote control circuit acting on motor integrated protector - Google Patents
Remote control circuit acting on motor integrated protector Download PDFInfo
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- CN220254124U CN220254124U CN202321240323.9U CN202321240323U CN220254124U CN 220254124 U CN220254124 U CN 220254124U CN 202321240323 U CN202321240323 U CN 202321240323U CN 220254124 U CN220254124 U CN 220254124U
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- 230000001012 protector Effects 0.000 title claims abstract description 25
- 230000001174 ascending effect Effects 0.000 claims description 11
- 238000005259 measurement Methods 0.000 abstract description 3
- 230000000630 rising effect Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to a remote control circuit acting on a motor comprehensive protector, which is characterized by comprising a closing control module, wherein the closing control module comprises a direction control module, an interlocking module, a contactor module and a remote control switch module, and the direction control module, the interlocking module, the contactor module and the remote control switch module are connected in series. According to the utility model, the remote controller is combined with the electric quantity comprehensive protection device, the current measurement and acquisition functions of the electric quantity protection motor comprehensive protection device are normal, the current quick-break protection is arranged to be matched with the original thermocouple to complete the protection of the main motor fault of the winch, the overload protection is arranged to complete the protection stop under the condition of checking and repairing the platform blockage, the remote control technology is applied to the remote control accident button, the operation authority of a second person is increased, and the safety is improved.
Description
Technical Field
The utility model relates to the technical field of remote control, in particular to a remote control circuit acting on a motor comprehensive protector.
Background
At present, the electric quantity protection arranged in a winch of an in-furnace maintenance platform of a domestic power plant is basically coarser thermocouple protection, so that the problem that the winch cannot stop when the load is blocked and over-curled exists, and potential safety hazards exist.
Disclosure of Invention
The utility model provides a remote control circuit acting on a motor comprehensive protector, which aims to solve the problem that a winch of an overhaul platform in a power plant furnace can not stop when the load is blocked and the winch is over-curled.
The remote control circuit acting on the motor comprehensive protector is characterized by comprising a closing control module, wherein the closing control module comprises a direction control module, an interlocking module, a contactor module and a remote control switch module, and the direction control module, the interlocking module, the contactor module and the remote control switch module are connected in series.
Further, the remote control circuit acts on the motor comprehensive protector, and the direction control module comprises a rising control sub-module and a falling control sub-module.
Further, a remote control circuit acting on the motor integrated protector, wherein the interlocking module comprises a KM_UP interlocking sub-module and a KM_DN interlocking sub-module.
Further, the remote control circuit acts on the motor comprehensive protector, the KM_UP interlocking sub-module is a normally closed auxiliary contact of an ascending contactor, and the KM_DN interlocking sub-module is a normally closed auxiliary contact of a descending contactor.
Further, a remote control circuit for the motor integrated protector, wherein the contactor module comprises a KM_UP sub-module and a KM_DN sub-module.
Further, a remote control circuit acting on the motor integrated protector, the remote control switch module comprises a normally closed switch capable of self-holding, a signal transmitter and a signal receiver.
Further, the remote control circuit acts on the motor comprehensive protector, and the signal transmitter is a wireless remote controller with the wave band of 300-500 MHz.
The motor comprehensive protection circuit comprises a power main circuit and a control circuit, wherein a power supply is powered after the main power supply contactor KM of the main circuit acts and is attracted (namely, a contactor coil of the main circuit is electrified), a driving motor rotates positively when a rising contactor KM_UP acts, and a driving motor rotates reversely when a falling contactor KM_DN acts (namely, a contactor coil of the falling contactor is electrified), but the rising contactor and the falling contactor cannot act simultaneously, so that auxiliary contacts of the rising contactor and the falling contactor form interlocking in the control circuit, namely, when the rising contactor acts, a normally closed auxiliary contact of the rising contactor is opened, a breakpoint is generated in the coil circuit of the falling contactor, and even when a falling button is pressed at the moment, the falling contactor does not act, thereby realizing locking. A self-holding normally closed node is connected in series with a control loop of a lifting contactor of a winch, the normally closed node is controlled by a fixed-frequency wireless remote controller, a sudden stop button on the remote controller is clicked once, the node is opened, the lifting contactor cannot be attracted, an operation handle is invalid until the remote controller presses a reset button, and the operation handle restores the operation authority.
The utility model has the beneficial effects that: because the remote controller is combined with the electric quantity comprehensive protection device, the electric quantity comprehensive protection device of the electric quantity protection motor has normal current measurement and acquisition functions, the current quick-break protection is arranged to be matched with the original thermocouple together to complete the protection of the main motor fault of the winch, and the overload protection is arranged to complete the protection stop under the condition of checking and repairing the platform blockage; the remote control technology is applied to the remote control accident button, so that the operation authority of a second person is increased, and the safety is improved.
Drawings
FIG. 1 is a block diagram of the present utility model;
FIG. 2 is an electrical connection diagram of the present utility model;
the device comprises a 1-closing control module, a 2-direction control module, a 3-interlocking module, a 4-contactor module and a 5-remote control switch module.
Detailed Description
For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.
As shown in fig. 1, a remote control circuit acting on a motor comprehensive protector is characterized by comprising a closing control module 1, wherein the closing control module comprises a direction control module 2, an interlocking module 3, a contactor module 4 and a remote control switch module 5, and the direction control module 2, the interlocking module 3, the contactor module 4 and the remote control switch module 5 are connected in series.
In this embodiment, a remote control circuit acting on a motor integrated protector, the direction control module 2 includes a rise control sub-module and a fall control sub-module.
In this embodiment, a remote control circuit acting on a motor integrated protector, the interlocking module 3 includes a km_up interlocking sub-module and a km_dn interlocking sub-module.
In this embodiment, a remote control circuit acting on a motor integrated protector, the contactor module 4 includes a km_up sub-module and a km_dn sub-module.
In this embodiment, the remote control circuit acting on the motor integrated protector, the km_up interlocking sub-module is a normally closed auxiliary contact of an ascending contactor, and the km_dn interlocking sub-module is a normally closed auxiliary contact of a descending contactor.
In this embodiment, a remote control circuit acting on the motor integrated protector, the remote control switch module 5 comprises a normally closed switch capable of self-holding, a signal transmitter and a signal receiver.
In this embodiment, a remote control circuit acting on a motor integrated protector, the signal transmitter is a wireless remote control with a wave band of 300-500 MHz.
As shown in fig. 2, the motor comprehensive protection circuit comprises a power main circuit and a control circuit, wherein a power supply is powered after the main power contactor KM of the main circuit acts and is attracted (i.e. the contactor coil is electrified), when the ascending contactor km_up acts, the driving motor rotates positively, and when the descending contactor km_dn acts (i.e. the contactor coil is electrified), the driving motor rotates reversely, but the ascending contactor and the descending contactor cannot act simultaneously, so that in the control circuit, the auxiliary contacts of the ascending contactor and the descending contactor form interlocking, namely, when the ascending contactor acts, the normally closed auxiliary contact of the ascending contactor is opened, the descending contactor coil circuit generates a breakpoint, and even when the descending button is pressed at the moment, the descending contactor does not act, thereby realizing locking. A self-holding normally closed node is connected in series with a control loop of a lifting contactor of a winch, the normally closed node is controlled by a fixed-frequency wireless remote controller, a sudden stop button on the remote controller is clicked once, the node is opened, the lifting contactor cannot be attracted, an operation handle is invalid until the remote controller presses a reset button, and the operation handle restores the operation authority.
The utility model is mainly applied to a winch control system of an overhaul platform in a power plant furnace. The power supply provides power for the control system, the remote control accident button is pressed, the motor comprehensive protector is started, and the control system controls the target motor, so that the comprehensive protection of the motor is realized through the remote control circuit.
The remote control accident button has no application precedent on the furnace top winch, and in practical application, another guardian is arranged on the authority of the original operator, so that the problem of incomplete observation under bad working conditions is avoided, the safety of work on a furnace overhaul platform is improved, and the remote control accident button is worthy of popularization. The utility model belongs to new installation projects and remote control technology application, and the contact of the auxiliary device is controlled by the remote controller, so that the circuit is simple and the reliability is high.
The remote control technology is simple and convenient to apply and implement, the auxiliary control device is simple in structure, the remote controller is 300-500MHz in use band, low in frequency, long in wavelength, long in transmission distance, strong in anti-interference capability, reliable in use, low in cost and capable of effectively improving the safety of the in-furnace maintenance platform in the use process, and the anti-interference capability is not influenced by other equipment.
The utility model has the beneficial effects that: the remote controller is combined with the electric quantity comprehensive protection device, the electric quantity protection motor comprehensive protection device has normal current measurement and acquisition functions, the current quick-break protection is set to be matched with the original thermocouple to complete the protection of the main motor fault of the winch, the overload protection is set to complete the protection stop under the condition of checking and repairing the platform blockage, the remote control technology is applied to a remote control accident button, the operation authority of a second person is increased, and the safety is improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described, but rather, the embodiments and descriptions described herein are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The remote control circuit acting on the motor comprehensive protector is characterized by comprising a closing control module (1), wherein the closing control module comprises a direction control module (2), an interlocking module (3), a contactor module (4) and a remote control switch module (5), and the direction control module (2), the interlocking module (3), the contactor module (4) and the remote control switch module (5) are connected in series; the interlocking module (3) comprises a KM_UP interlocking sub-module and a KM_DN interlocking sub-module, wherein the KM_UP interlocking sub-module is an ascending contactor normally closed auxiliary contact, and the KM_DN interlocking sub-module is a descending contactor normally closed auxiliary contact; the contactor module (4) comprises a KM_UP sub-module and a KM_DN sub-module;
the circuit of the motor comprehensive protector comprises a power main circuit and a control circuit, a power supply supplies power after being attracted through the action of a main power contactor KM of the main circuit, when a normally closed auxiliary contact KM_UP interlocking submodule of an ascending contactor acts, a driving motor rotates positively, when a normally closed auxiliary contact KM_DN interlocking submodule of a descending contactor acts, the driving motor rotates reversely, the normally closed auxiliary contact KM_UP interlocking submodule of the ascending contactor and the normally closed auxiliary contact KM_DN interlocking submodule of the descending contactor cannot act simultaneously, and in the control circuit, the normally closed auxiliary contact KM_UP interlocking submodule of the ascending contactor and the auxiliary contact of the normally closed auxiliary contact KM_DN interlocking submodule of the descending contactor form interlocking.
2. A remote control circuit for an integrated motor protector according to claim 1, characterized in that the direction control module (2) comprises a rise control sub-module and a fall control sub-module.
3. A remote control circuit for an integrated motor protector according to claim 1, characterized in that the remote control switch module (5) comprises a self-sustaining normally closed switch, a signal transmitter and a signal receiver.
4. A remote control circuit for a motor protector according to claim 3, wherein the signal transmitter is a wireless remote control with a wavelength of 300-500 MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321240323.9U CN220254124U (en) | 2023-05-22 | 2023-05-22 | Remote control circuit acting on motor integrated protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321240323.9U CN220254124U (en) | 2023-05-22 | 2023-05-22 | Remote control circuit acting on motor integrated protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220254124U true CN220254124U (en) | 2023-12-26 |
Family
ID=89227387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321240323.9U Active CN220254124U (en) | 2023-05-22 | 2023-05-22 | Remote control circuit acting on motor integrated protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220254124U (en) |
-
2023
- 2023-05-22 CN CN202321240323.9U patent/CN220254124U/en active Active
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