CN215494582U - Electrical control system of hydraulic station - Google Patents
Electrical control system of hydraulic station Download PDFInfo
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- CN215494582U CN215494582U CN202121587683.7U CN202121587683U CN215494582U CN 215494582 U CN215494582 U CN 215494582U CN 202121587683 U CN202121587683 U CN 202121587683U CN 215494582 U CN215494582 U CN 215494582U
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Abstract
The utility model provides an electrical control system of a hydraulic station, belonging to the technical field of hydraulic equipment, comprising: the touch screen control system comprises a first air switch, a contactor main contact, a relay, a motor, a second contact, a first coil, a second air switch, a third contact, a voltage reduction module, a fifth contact, a third coil, a sixth contact and a touch screen controller. The utility model solves the problem that the hydraulic station is inconvenient because a motor is basically controlled manually and needs to be operated by a person on the side of the hydraulic station.
Description
The technical field is as follows:
the utility model belongs to the technical field of hydraulic stations, and particularly relates to an electrical control system of a hydraulic station.
Background art:
the hydraulic station is a hydraulic source device, supplies oil according to the flow direction, pressure and flow rate required by the driving device, and is connected with the driving device through an oil pipe.
At present, a hydraulic station basically adopts a manual control motor, and people are required to operate at the edge of the hydraulic station, so that the hydraulic station is inconvenient.
The utility model has the following contents:
the embodiment of the utility model provides an electrical control system of a hydraulic station, which solves the problem that the existing hydraulic station is inconvenient because a motor is basically controlled manually and needs to be operated by people on the side of the hydraulic station.
The embodiment of the utility model provides an electrical control system of a hydraulic station, which comprises:
one end of the first air switch is connected to the input end of the power supply;
one end of the contactor main contact is electrically connected with the other end of the first air switch;
one end of the main contact of the thermal relay is electrically connected with the other end of the main contact of the contactor;
one end of the motor is electrically connected with the other end of the thermal relay, and the motor is connected with a power supply;
one end of the second contact is electrically connected with one end of the first air switch;
a first coil having one end electrically connected to one end of the first air switch and the other end electrically connected to the other end of the second contact;
the input end of the second air switch is connected with a power supply;
a third contact, one end of which is electrically connected with one terminal of the output end of the second air switch;
a first terminal of an input end of the voltage reduction module is electrically connected with the other end of the third contact, and a second terminal of the input end of the voltage reduction module is electrically connected with the other terminal of the output end of the second air switch;
one end of the fifth contact is electrically connected with the first terminal of the output end of the voltage reduction module;
one end of the third coil is electrically connected with the other end of the fifth contact;
a sixth contact, one end of which is electrically connected to the other end of the third coil;
and two output ends of the touch screen controller are respectively and electrically connected with the other end of the sixth contact and the other end of the third coil, and an output public end of the touch screen controller is electrically connected with a second terminal of the output end of the voltage reduction module.
In one or more embodiments, the electrical control system of the hydraulic station further comprises a phase sequence relay connected in parallel with both the first air switch and the contactor main contacts.
In one or more embodiments, the electrical control system of the hydraulic station further comprises:
an emergency stop switch, one end of which is connected with one terminal of the voltage reduction module through a first fuse;
one end of the first button is electrically connected with the other end of the emergency stop switch;
one end of the second button is electrically connected with the other end of the first button;
a fourth contact connected in parallel with the second button;
one end of the second coil is electrically connected with the other end of the second button;
a fifth contact, one end of which is electrically connected to one end of the second coil and the other end of the third coil; and
a first contact in parallel with the second contact.
In one or more embodiments, the electrical control system of the hydraulic station further comprises: and one end of the indicating lamp is electrically connected with the other end of the emergency stop switch, and the other end of the indicating lamp is electrically connected with the first terminal of the output end of the voltage reduction module.
In one or more embodiments, the electrical control system of the hydraulic station further comprises:
the positive pole end of a power supply of the wireless remote controller is electrically connected with one terminal of the output end of the voltage reduction module through the first fuse, and the negative pole of the power supply of the wireless remote controller is electrically connected with the other terminal of the output end of the voltage reduction module;
one end of the electromagnetic directional valve is electrically connected with the output end of the touch screen controller, and the other end of the electromagnetic directional valve is electrically connected with the other terminal of the output end of the voltage reduction module;
in one or more embodiments, a negative terminal of the power supply of the touch screen controller is electrically connected to another terminal of the output terminal of the voltage reduction module, and a positive terminal of the power supply of the touch screen controller is connected to a node between the emergency stop switch and the first button.
The electrical control system of the hydraulic station in the embodiment of the utility model adopts a fifth loop formed by the voltage reduction module, the touch screen controller, the third coil and the fifth contact. And a seventh loop is formed by the first air switch, the second contact and the first coil. And when the touch screen controller is pressed down, the current flows through the fifth loop, the third coil is attracted, and the second contact is closed. And the seventh loop is connected, the first coil is electrified and sucked, and the main contact of the contactor is closed. The current flows to the motor through the first air switch, the contactor main contact and the thermal relay, and the motor is electrified to rotate. And a sixth loop is formed by the voltage reduction module, the touch screen controller, the sixth contact, the third coil and the fifth contact. After the touch screen controller is loosened, current flows through the sixth loop, the third coil is attracted, and the second contact is closed. And the seventh loop is connected, the first coil is electrified and sucked, and the main contact of the contactor is closed. The current flows to the motor through the first air switch, the contactor main contact and the thermal relay, and the motor is electrified to rotate. And when the touch screen controller is pressed down, the sixth loop is powered off. The third coil is de-energized and the second contact is open. The seventh loop is cut off, the first coil loses power, the main contact of the contactor is disconnected, and the motor stops rotating after losing power; the electrical control system of the hydraulic station operates the touch screen controller and thereby starts the motor, thereby enabling the motor to drive the pump to move.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic structural view of a main body part of the present invention;
FIG. 2 is a schematic structural view of the remaining part of the present invention;
reference numerals: 1. a first air switch; 2. a contactor main contact; 3. a thermal relay; 4. a motor; 5. a phase sequence relay; 6. a first contact; 7. a second contact; 8. a first coil; 9. a second air switch; 10. a third contact; 11. a voltage reduction module; 12. a scram switch; 13. a first button; 14. a second button; 15. a fourth contact; 16. a second coil; 17. a fifth contact; 18. a third coil; 19. a sixth contact; 20. an indicator light; 21. a wireless remote controller; 22. a touch screen controller; 23. a second fuse; 24. an electromagnetic directional valve.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the technical solutions of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the specific embodiments of the present invention. Like reference symbols in the various drawings indicate like elements. It should be noted that the described embodiments are only some embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the utility model without any inventive step, are within the scope of protection of the utility model.
As shown in fig. 1 to 2, the present embodiment provides an electrical control system of a hydraulic station, including: a first air switch 1, a contactor main contact 2, a thermal relay 3, a motor 4, a second contact 7, a first coil 8, a second air switch 9, a third contact 10, a voltage dropping module 11, a fifth contact 17, a third coil 18, a sixth contact 19, and a touch screen controller 22.
One end of the first air switch 1 is connected to an input end of a power supply, and preferably, one end of the first air switch 1 is connected to a corresponding live line of the three-phase alternating-current power supply.
One end of the contactor main contact 2 is electrically connected with the other end of the first air switch 1, and one end of the main contact of the thermal relay 3 is electrically connected with the other end of the contactor main contact 2. One end of the motor 4 is electrically connected with the other end of the thermal relay 3, the motor 4 is connected with a power supply,
the housing of the motor 4 is grounded.
One end of the second contact 7 is electrically connected to one end of the first air switch 1, one end of the first coil 8 is electrically connected to one end of the first air switch 1, and the other end is electrically connected to the other end of the second contact 7.
The input end of the second air switch 9 is connected with a power supply, and preferably, one end of the second air switch 9 is connected with a first phase and a zero line of a three-phase alternating current power supply.
One end of the third contact 10 is electrically connected to one terminal of the output end of the second air switch 9, a first terminal of the input end of the voltage reduction module 11 is electrically connected to the other end of the third contact 10, a second terminal of the input end of the voltage reduction module 11 is electrically connected to the other terminal of the output end of the second air switch 9, one end of the fifth contact 17 is electrically connected to the first terminal of the output end of the voltage reduction module 11, one end of the third coil 18 is electrically connected to the other end of the fifth contact 17, one end of the sixth contact 19 is electrically connected to the other end of the third coil 18, two output ends of the touch screen controller 22 are electrically connected to the other end of the sixth contact 19 and the other end of the third coil 18, and an output common end of the touch screen controller 22 is electrically connected to the second terminal of the output end of the voltage reduction module 11.
The electrical control system of the hydraulic station in the embodiment of the utility model adopts a fifth loop formed by the voltage reduction module 11, the touch screen controller 22, the third coil 18 and the fifth contact 17. The first air switch 1, the second contact 7, and the first coil 8 form a seventh circuit. When the touch screen controller 22 is pressed, the current flows through the fifth loop, the third coil 18 is closed, and the second contact 7 is closed. The seventh loop is connected, the first coil 8 is electrified and sucked, and the main contact 2 of the contactor is closed. The current flows through the first air switch 1, the contactor main contact 2 and the thermal relay 3 to the motor 4, and the motor 4 is electrically rotated. A sixth loop is formed by the voltage step-down module 11, the touch screen controller 22, the sixth contact 19, the third coil 18, and the fifth contact 17. When the touch screen controller 22 is released, the current flows through the sixth loop, the third coil 18 is closed, and the second contact 7 is closed. The seventh loop is connected, the first coil 8 is electrified and sucked, and the main contact 2 of the contactor is closed. The current flows through the first air switch 1, the contactor main contact 2 and the thermal relay 3 to the motor 4, and the motor 4 is electrically rotated. Pressing the touch screen controller 22 turns off the sixth loop. The third coil 18 is de-energized and the second contact 7 is open. The seventh loop is cut off, the first coil 8 loses power, the main contact 2 of the contactor is disconnected, and the motor 4 loses power and stops rotating; the electrical control system of the hydraulic station operates the touch screen controller 22 and thereby activates the motor 4 to effect movement of the pump by the motor 4.
As shown in fig. 1, in one embodiment, the electrical control system of the hydraulic station further comprises a phase sequence relay 5 connected in parallel with both the first air switch 1 and the contactor main contacts 2, where the phase sequence relay 5 is used to detect the phase sequence of the input three-phase ac power. The phase sequence is correct, the third contact 10 is closed, and the control circuit is switched on.
As shown in fig. 1, in an embodiment, the electrical control system of the hydraulic station further comprises: an emergency stop switch 12, a first button 13, a second button 14, a fourth contact 15, a second coil 16, a fifth contact 17 and a first contact 6.
One end of the emergency stop switch 12 is connected with one terminal of the voltage reduction module 11 through a first fuse;
one end of the first button 13 is electrically connected with the other end of the emergency stop switch 12;
one end of the second button 14 is electrically connected with the other end of the first button 13;
the fourth contact 15 is connected in parallel with the second button 14;
one end of the second coil 16 is electrically connected to the other end of the second button 14;
one end of the fifth contact 17 is electrically connected to one end of the second coil 16 and the other end of the third coil 18;
the first contact 6 is connected in parallel with the second contact 7.
And a second loop is formed by the pressing module, the emergency stop switch 12, the first button 13, the second button 14, the second coil 16 and the fifth contact 17. A third circuit is formed by the first air switch 1, the first contact 6 and the first coil 8. When the second button 14 is pressed, current flows through the second circuit, the second coil 16 is energized and closed, and the first contact 6 is closed. And current flows through the third loop, the first coil 8 is electrified and sucked, and the main contact 2 of the contactor is closed. The current flows through the first air switch 1, the contactor main contact 2 and the thermal relay 3 to the motor 4, and the motor 4 is electrically rotated.
And a fourth loop is formed by the voltage reduction module 11, the emergency stop switch 12, the first button 13, the fourth contact 15, the second coil 16 and the fifth contact 17. When the second button 14 is released, current flows through the fourth circuit, the second coil 16 is closed and the first contact 6 is closed. The third loop is connected, the first coil 8 is electrified and closed, and the main contact 2 of the contactor is closed. The current flows through the first air switch 1, the contactor main contact 2 and the thermal relay 3 to the motor 4, and the motor 4 is electrically rotated.
When the first button 13 is pressed, the second loop and the fourth loop are cut off, the second coil 16 loses power, the first contact 6 is disconnected, the third loop is cut off, the first coil 8 loses power, the contactor main contact 2 is disconnected, and the motor 4 loses power and stops rotating.
This embodiment implements panel control.
As shown in fig. 1, in one embodiment, the electrical control system of the hydraulic station further comprises: and one end of the indicator light 20 is electrically connected with the other end of the emergency stop switch 12, and the other end of the indicator light 20 is electrically connected with the first terminal of the output end of the voltage reduction module 11. Indicator light 20 indicates whether the control circuit is powered. The indicator light 20 is on, the control circuit is powered on, the indicator light 20 is not powered off, and the control circuit is powered off. And when the first air switch 1 is switched on, the phase sequence relay 5 is electrified, the phase sequence of the input voltage is detected, the phase sequence is correct, and the third contact 10 is closed. The second air switch 9 is switched on, the input end of the voltage reduction module 11 is electrified, the output end of the voltage reduction module 11 has voltage output, a first loop is formed by the voltage reduction module 11, the emergency stop switch 12 and the indicator lamp 20, and the indicator lamp 20 is lightened.
As shown in fig. 1-2, in one embodiment, the electrical control system of the hydraulic station further comprises: a wireless remote control 21 and a solenoid directional valve 24.
The positive power terminal of the wireless remote controller 21 is electrically connected to one terminal of the output end of the voltage-reducing module 11 through the first fuse, and the negative power terminal of the wireless remote controller 21 is electrically connected to the other terminal of the output end of the voltage-reducing module 11.
One end of the electromagnetic directional valve 24 is electrically connected to the output end of the touch screen controller 22, and the other end is electrically connected to the other terminal of the output end of the voltage reduction module 11.
Specifically, the power supply positive terminal of the wireless remote controller 21 and the terminal of the input public end of the touch screen controller 22 are connected with one terminal of the output end of the voltage reduction module 11 through the first fuse, the terminal of the output public end of the touch screen controller 22 is connected with one terminal of the output end of the voltage reduction module 11 through the second fuse 23, the output terminal of the touch screen controller 22 is connected with one end of the electromagnetic directional valve 24, the other end of the electromagnetic directional valve 24, the power supply negative electrode of the touch screen controller 22 and the power supply negative electrode of the wireless remote controller 21 are connected with the other terminal of the output end of the voltage reduction module 11.
Preferably, the negative terminal of the power supply of the touch screen controller 22 is electrically connected to the other terminal of the output terminal of the voltage reduction module 11, and the positive terminal of the power supply of the touch screen controller 22 is connected to the node between the emergency stop switch 12 and the first button 13.
Short circuit and open phase operation
When a short circuit or a phase failure occurs, the thermal relay 3 operates, the fifth contact 17 is opened, and the fourth circuit or the sixth circuit is disconnected. When the second coil 16 or the third coil 18 loses power, the first contact 6 or the second contact 7 is disconnected, the third loop or the seventh loop is cut off, the first coil 8 loses power, the contactor main contact 2 is disconnected, and the motor 4 loses power and stops rotating.
Emergency stop operation
When a sudden mechanical failure occurs and it is necessary to stop the motor 4, the emergency stop switch 12 may be tripped to cut off the fourth circuit or the sixth circuit. When the second coil 16 or the third coil 18 loses power, the first contact 6 or the second contact 7 is disconnected, the third loop or the seventh loop is cut off, the first coil 8 loses power, the contactor main contact 2 is disconnected, and the motor 4 loses power and stops rotating.
The solenoid valve action involves wireless remote control 21 control and touch screen controller 22 control.
Firstly, the remote controller controls:
when the corresponding button of the wireless remote controller 21 is operated, the input end of the touch screen controller 22 receives a control signal sent by the wireless remote controller 21 and is processed by the touch screen controller 22, the corresponding output end of the touch screen controller 22 has a voltage signal, current flows out from the port and flows to the electromagnetic directional valve 24, the electromagnetic directional valve 24 is electrified and closed, and the valve block acts.
Secondly, the touch screen controller 22 controls:
corresponding buttons on the touch screen controller 22 are operated, and processed by the inside of the touch screen controller 22, voltage signals are provided at corresponding output ends of the touch screen controller 22, current flows out from the ports and flows to the electromagnetic directional valve 24, the electromagnetic directional valve 24 is electrified and closed, and the valve block acts.
The technical means disclosed by the scheme of the utility model are not limited to the technical means disclosed by the technical means, and also comprise the technical scheme formed by equivalent replacement of the technical features. The present invention is not limited to the details given herein, but is within the ordinary knowledge of those skilled in the art.
Claims (6)
1. An electrical control system for a hydraulic station, comprising:
one end of the first air switch is connected to the input end of the power supply;
one end of the contactor main contact is electrically connected with the other end of the first air switch;
one end of the main contact of the thermal relay is electrically connected with the other end of the main contact of the contactor;
one end of the motor is electrically connected with the other end of the thermal relay, and the motor is connected with a power supply;
one end of the second contact is electrically connected with one end of the first air switch;
a first coil having one end electrically connected to one end of the first air switch and the other end electrically connected to the other end of the second contact;
the input end of the second air switch is connected with a power supply;
a third contact, one end of which is electrically connected with one terminal of the output end of the second air switch;
a first terminal of an input end of the voltage reduction module is electrically connected with the other end of the third contact, and a second terminal of the input end of the voltage reduction module is electrically connected with the other terminal of the output end of the second air switch;
one end of the fifth contact is electrically connected with the first terminal of the output end of the voltage reduction module;
one end of the third coil is electrically connected with the other end of the fifth contact;
a sixth contact, one end of which is electrically connected to the other end of the third coil;
and two output ends of the touch screen controller are respectively and electrically connected with the other end of the sixth contact and the other end of the third coil, and an output public end of the touch screen controller is electrically connected with a second terminal of the output end of the voltage reduction module.
2. The electrical control system of a hydraulic station of claim 1, wherein: the electrical control system of the hydraulic station further comprises a phase sequence relay connected in parallel with both the first air switch and the contactor main contact.
3. The electrical control system of a hydraulic station of claim 1, wherein: the electrical control system of the hydraulic station further comprises:
an emergency stop switch, one end of which is connected with one terminal of the voltage reduction module through a first fuse;
one end of the first button is electrically connected with the other end of the emergency stop switch;
one end of the second button is electrically connected with the other end of the first button;
a fourth contact connected in parallel with the second button;
one end of the second coil is electrically connected with the other end of the second button;
a fifth contact, one end of which is electrically connected to one end of the second coil and the other end of the third coil; and
a first contact in parallel with the second contact.
4. An electrical control system of a hydraulic station according to claim 3, characterized in that: the electrical control system of the hydraulic station further comprises: and one end of the indicating lamp is electrically connected with the other end of the emergency stop switch, and the other end of the indicating lamp is electrically connected with the first terminal of the output end of the voltage reduction module.
5. The electrical control system of a hydraulic station of claim 4, wherein: the electrical control system of the hydraulic station further comprises:
the positive pole end of a power supply of the wireless remote controller is electrically connected with one terminal of the output end of the voltage reduction module through the first fuse, and the negative pole of the power supply of the wireless remote controller is electrically connected with the other terminal of the output end of the voltage reduction module;
and one end of the electromagnetic directional valve is electrically connected with the output end of the touch screen controller, and the other end of the electromagnetic directional valve is electrically connected with the other terminal of the output end of the voltage reduction module.
6. The electrical control system of a hydraulic station of claim 5, wherein: the negative electrode of the power supply of the touch screen controller is electrically connected with the other terminal of the output end of the voltage reduction module, and the positive electrode of the power supply of the touch screen controller is connected with a node between the emergency stop switch and the first button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587683.7U CN215494582U (en) | 2021-07-13 | 2021-07-13 | Electrical control system of hydraulic station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587683.7U CN215494582U (en) | 2021-07-13 | 2021-07-13 | Electrical control system of hydraulic station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215494582U true CN215494582U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121587683.7U Active CN215494582U (en) | 2021-07-13 | 2021-07-13 | Electrical control system of hydraulic station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215494582U (en) |
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2021
- 2021-07-13 CN CN202121587683.7U patent/CN215494582U/en active Active
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