CN215498751U - Automatic control circuit of oil pump of beam penetrating equipment - Google Patents
Automatic control circuit of oil pump of beam penetrating equipment Download PDFInfo
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- CN215498751U CN215498751U CN202023024140.2U CN202023024140U CN215498751U CN 215498751 U CN215498751 U CN 215498751U CN 202023024140 U CN202023024140 U CN 202023024140U CN 215498751 U CN215498751 U CN 215498751U
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- power supply
- electromagnetic valve
- switching
- oil pump
- switching power
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Abstract
The utility model discloses an automatic control circuit of an oil pump of a strand threading device, and belongs to the technical field of control circuits. The electromagnetic valve control system comprises a switching power supply, a relay and a plurality of electromagnetic valve branches, wherein each electromagnetic valve branch comprises an electromagnetic valve and a rectifying circuit, and each electromagnetic valve is used for controlling an oil way; one side of the electromagnetic valve of each electromagnetic valve branch is connected with a first end of an external power supply, one side of the rectifying circuit is connected with the same input end of the switching power supply, the other input end of the switching power supply is connected with the first end of the external power supply, each electromagnetic valve branch is connected with a second end of the external power supply through a switching branch, the switching branches are connected with nodes between the electromagnetic valves and the rectifying circuit, and the switching branches are used for controlling the on-off of the switching power supply and the corresponding electromagnetic valves; the control end of the relay is connected between the two output ends of the switching power supply, and the controlled end is connected between the two ends of the external power supply after being connected with the overflow electromagnetic valve of the oil pump in series. The circuit is simple in structure, easy to implement and low in cost.
Description
Technical Field
The utility model relates to an automatic control circuit of an oil pump of a beam penetrating device, and belongs to the technical field of beam penetrating and control circuits and the like.
Background
The oil circuit of the equipment for highway crossing, railway pipe drawing and crossing and the like is provided with a plurality of 220V alternating current electromagnetic valves for controlling the actions of the equipment, wherein each electromagnetic valve is operated by a remote controller. Generally, when any one electromagnetic valve is required to act, an oil pump needs to be automatically started to realize the oil supply operation of equipment. At present, a common implementation method is to add a controller with multiple inputs, add a transformer at the power supply of each solenoid valve, change 220V ac into low voltage dc, and then transmit the low voltage dc to the input end of the controller, and the controller outputs a low voltage dc signal to the relay by detecting the signal of the input end, thereby controlling the contactor. However, such control circuits are complex and prone to failure.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides an automatic control circuit of an oil pump of a threading device, which cancels a controller with multi-path input and a plurality of transformers, realizes the automatic control of the oil pump by adding a switching power supply and a plurality of diodes, and increases the reliability of a system because the controller is cancelled.
In order to achieve the above purpose, the utility model provides the following technical scheme:
an automatic control circuit of a threading equipment oil pump comprises a switching power supply, a relay and a plurality of solenoid valve branches, wherein each solenoid valve branch comprises a solenoid valve and a rectifying circuit, and each solenoid valve is used for controlling an oil circuit; one side of the electromagnetic valve of each electromagnetic valve branch is connected with a first end of an external power supply, one side of the rectifying circuit is connected with the same input end of the switching power supply, the other input end of the switching power supply is connected with the first end of the external power supply, each electromagnetic valve branch is connected with a second end of the external power supply through a switching branch, the switching branches are connected with nodes between the electromagnetic valves and the rectifying circuit, and the switching branches are used for controlling the switching power supply and the corresponding electromagnetic valves to be switched on and off; the control end of the relay is connected between the two output ends of the switching power supply, and the controlled end is connected between the two ends of the external power supply after being connected with the overflow electromagnetic valve of the oil pump in series.
Optionally, the rectifying circuit is a single diode.
Optionally, the switch branch comprises a button switch and a remote switch connected in parallel.
Optionally, the number of the solenoid valve branches is six.
Optionally, the external power supply is 220V ac, and the switching power supply outputs 24V dc.
As can be seen from the above description, the technical scheme of the utility model has the beneficial effects that:
1. the utility model has simple structure, low cost and easy realization.
2. The utility model cancels the controller and increases the reliability of the system.
Drawings
In order to more clearly describe this patent, one or more of the following figures are provided.
Fig. 1 is a schematic circuit diagram of an embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present patent by those skilled in the art, the technical solutions of the present patent are further described in the following specific cases.
As shown in fig. 1, an automatic control circuit for an oil pump of a strand-threading device comprises a switching power supply, a relay and a plurality of solenoid valve branches, wherein each solenoid valve branch comprises a solenoid valve and a rectifying circuit, and each solenoid valve is used for controlling an oil path; one side of the electromagnetic valve of each electromagnetic valve branch is connected with a first end of an external power supply, one side of the rectifying circuit is connected with the same input end of the switching power supply, the other input end of the switching power supply is connected with the first end of the external power supply, each electromagnetic valve branch is connected with a second end of the external power supply through a switching branch, the switching branches are connected with nodes between the electromagnetic valves and the rectifying circuit, and the switching branches are used for controlling the switching power supply and the corresponding electromagnetic valves to be switched on and off; the control end of the relay is connected between the two output ends of the switching power supply, and the controlled end is connected between the two ends of the external power supply after being connected with the overflow electromagnetic valve of the oil pump in series.
Further, still referring to fig. 1, the rectifying circuit is a single diode. This kind of rectifier circuit is the simplest half-wave rectifier circuit, but a full-wave rectifier circuit may be used, but the cost increases.
Further, still referring to fig. 1, the switching branch includes a push button switch and a remote switch connected in parallel with each other.
Optionally, the number of the electromagnetic valve branches is six, and the six electromagnetic valve branches correspond to oil paths such as ascending, descending, forward moving, backward moving, clamping, loosening and the like respectively.
Optionally, the external power supply is 220V ac, and the switching power supply outputs 24V dc.
The control circuit cancels a controller with multi-path input and a plurality of transformers, realizes the automatic control of the oil pump by adding a switching power supply and a plurality of diodes, and increases the reliability of the system because the controller is cancelled. The circuit has the advantages of simple structure, easy realization, low cost and high practical value.
It should be noted that the above embodiments are only specific examples of the implementation schemes of this patent, and do not cover all the implementation schemes of this patent, and therefore, the scope of protection of this patent cannot be considered as limited; all the implementations which belong to the same concept as the above cases or the combination of the above schemes are within the protection scope of the patent.
Claims (5)
1. The utility model provides a wear to restraint equipment oil pump automatic control circuit which characterized in that: the electromagnetic valve control system comprises a switching power supply, a relay and a plurality of electromagnetic valve branches, wherein each electromagnetic valve branch comprises an electromagnetic valve and a rectifying circuit, and each electromagnetic valve is used for controlling an oil way; one side of the electromagnetic valve of each electromagnetic valve branch is connected with a first end of an external power supply, one side of the rectifying circuit is connected with the same input end of the switching power supply, the other input end of the switching power supply is connected with the first end of the external power supply, each electromagnetic valve branch is connected with a second end of the external power supply through a switching branch, the switching branches are connected with nodes between the electromagnetic valves and the rectifying circuit, and the switching branches are used for controlling the switching power supply and the corresponding electromagnetic valves to be switched on and off; the control end of the relay is connected between the two output ends of the switching power supply, and the controlled end is connected between the two ends of the external power supply after being connected with the overflow electromagnetic valve of the oil pump in series.
2. The automatic control circuit of the oil pump of the strand-threading equipment according to claim 1, characterized in that: the rectifying circuit is a single diode.
3. The automatic control circuit of the oil pump of the strand-threading equipment according to claim 1, characterized in that: the switch branch comprises a button switch and a remote control switch which are connected in parallel.
4. The automatic control circuit of the oil pump of the strand-threading equipment according to claim 1, characterized in that: the number of the electromagnetic valve branches is six.
5. The automatic control circuit of the oil pump of the strand-threading equipment according to claim 1, characterized in that: the external power supply is 220V alternating current, and the switching power supply outputs 24V direct current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023024140.2U CN215498751U (en) | 2020-12-16 | 2020-12-16 | Automatic control circuit of oil pump of beam penetrating equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023024140.2U CN215498751U (en) | 2020-12-16 | 2020-12-16 | Automatic control circuit of oil pump of beam penetrating equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215498751U true CN215498751U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023024140.2U Active CN215498751U (en) | 2020-12-16 | 2020-12-16 | Automatic control circuit of oil pump of beam penetrating equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215498751U (en) |
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2020
- 2020-12-16 CN CN202023024140.2U patent/CN215498751U/en active Active
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