CN215333352U - High-pressure slurry pump interlocking control system - Google Patents
High-pressure slurry pump interlocking control system Download PDFInfo
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- CN215333352U CN215333352U CN202121380376.1U CN202121380376U CN215333352U CN 215333352 U CN215333352 U CN 215333352U CN 202121380376 U CN202121380376 U CN 202121380376U CN 215333352 U CN215333352 U CN 215333352U
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Abstract
The high-pressure slurry pump interlocking control system comprises a first operation signal switch, a second operation signal switch, a third operation signal switch, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay, a current signal switch and a rotating speed signal switch, wherein the first operation signal switch is electrically connected with the first relay, the second operation signal switch is electrically connected with the second relay, the third operation signal switch is electrically connected with the third relay, the second relay comprises two contacts and two contacts, the third relay comprises three contacts and three second contacts, the two contacts and the fourth relay of the first relay are connected in series, the two contacts, the three contacts and the fifth relay are connected in series, and the contacts of the three contacts and the first relay are connected in series, And the contact of the fourth relay, the contact of the fifth relay and the contact of the sixth relay are connected in parallel.
Description
Technical Field
The utility model relates to the technical field of control systems, in particular to a high-pressure slurry pump interlocking control system.
Background
When a high-pressure slurry pump of the gasification furnace runs, the shutdown is triggered due to the interruption of the running signal for many times, and the interruption of the running signal is caused by an electrical fault and can also be interfered or the contact fault of an electrical contactor causes misoperation. If the vehicle is stopped due to the trigger without faults, huge economic losses are brought to enterprises.
Disclosure of Invention
Accordingly, there is a need for a high pressure slurry pump interlock control system that prevents a failure-free triggered shutdown.
The high-pressure slurry pump interlocking control system comprises a first operation signal switch, a second operation signal switch, a third operation signal switch, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay, a current signal switch and a rotating speed signal switch, wherein the first operation signal switch is electrically connected with the first relay, the second operation signal switch is electrically connected with the second relay, the third operation signal switch is electrically connected with the third relay, the second relay comprises two first contacts and two contacts, the third relay comprises three first contacts and three second contacts, the two first contacts and the fourth relay of the first relay are connected in series, the two contacts, the three first contacts and the fifth relay are connected in series, and the three second contacts, the contacts of the first relay, the contacts of the third relay, the fourth relay, the third relay and the fourth relay are connected in series, The contact of the fourth relay, the contact of the fifth relay, the contact of the sixth relay, the seventh relay and the eighth relay share one power supply, the current signal switch and the rotating speed signal switch are respectively and electrically connected with the seventh relay and the eighth relay, and the contact of the seventh relay and the contact of the eighth relay are connected in parallel on a circuit where the driving terminal is located.
Preferably, the first relay, the second relay, the third relay, the fourth relay, the fifth relay, the sixth relay, the seventh relay and the eighth relay are normally open relays.
Preferably, the current signal switch comprises a current sensor and a first electric control switch, the current sensor is electrically connected with the first electric control switch, the current sensor collects current signals passing through the driving terminal, and the first electric control switch is electrified after receiving the current signals of the current sensor.
Preferably, the rotating speed signal switch comprises a rotating speed sensor and a second electric control switch, the rotating speed sensor is electrically connected with the second electric control switch, the rotating speed sensor collects a rotating speed signal of the driving terminal, and the second electric control switch is electrified after receiving the rotating speed signal of the rotating speed sensor.
Has the advantages that: the interlocking control system of the high-pressure slurry pump comprises a first operation signal switch, a second operation signal switch, a third operation signal switch, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay, a current signal switch and a rotating speed signal switch, wherein the first operation signal switch is electrically connected with the first relay, the second operation signal switch is electrically connected with the second relay, the third operation signal switch is electrically connected with the third relay, the second relay comprises two first contacts and two contacts, the third relay comprises three first contacts and three second contacts, the two first contacts and the fourth relay of the first relay are connected in series, the two contacts, the three first contacts and the fifth relay are connected in series, and the three second contacts, the contacts of the first relay, The contact of the fourth relay, the contact of the fifth relay, the contact of the sixth relay, the seventh relay and the eighth relay share one power supply, the current signal switch and the rotating speed signal switch are respectively and electrically connected with the seventh relay and the eighth relay, and the contact of the seventh relay and the contact of the eighth relay are connected in parallel on a circuit where the driving terminal is located. When two operation signal switches are closed and one of the current signal switch and the rotating speed signal switch is closed, the driving terminal can be powered on and stopped, so that the stopping without fault triggering is prevented.
Drawings
Fig. 1 is a circuit diagram of the present invention.
In the figure: the device comprises a first operation signal switch 1, a second operation signal switch 2, a third operation signal switch 3, a first relay 4, a second relay 5, a third relay 6, a fourth relay 7, a fifth relay 8, a sixth relay 9, a seventh relay 10, an eighth relay 11, a current signal switch 12, a rotating speed signal switch 13, a first contact 14, a second contact 15, a first contact 16, a second contact 17 and a driving terminal 18.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1, the high-pressure slurry pump interlocking control system includes a first operation signal switch 1, a second operation signal switch 2, a third operation signal switch 3, a first relay 4, a second relay 5, a third relay 6, a fourth relay 7, a fifth relay 8, a sixth relay 9, a seventh relay 10, an eighth relay 11, a current signal switch 12, and a rotation speed signal switch 13, wherein the first operation signal switch 1 is electrically connected to the first relay 4, the second operation signal switch 2 is electrically connected to the second relay 5, the third operation signal switch 3 is electrically connected to the third relay 6, the second relay 5 includes two first contacts 14, two contacts 15, the third relay 6 includes three first contacts 16 and three second contacts 17, the contacts of the first relay 4, the two first contacts 14, and the fourth relay 7 are connected in series, and the two contacts 15, The three-contact-point three-relay four-contact type rotating speed signal generator is characterized in that three first contacts 16 and a fifth relay 8 are connected in series, three second contacts 17, a contact of a first relay 4 and the fifth relay 8 are connected in series, a contact of a fourth relay 7, a contact of the fifth relay 8 and a contact of a sixth relay 9 are connected in parallel, a seventh relay 10 and an eighth relay 11 are connected in parallel, the contact of the fourth relay 7, the contact of the fifth relay 8, the contact of the sixth relay 9, the seventh relay 10 and the eighth relay 11 share one power supply, a current signal switch 12 and a rotating speed signal switch 13 are respectively electrically connected with the seventh relay 10 and the eighth relay 11, and the contact of the seventh relay 10 and the contact of the eighth relay 11 are connected in parallel on a circuit where a driving terminal 18 is located.
Further, the first relay 4, the second relay 5, the third relay 6, the fourth relay 7, the fifth relay 8, the sixth relay 9, the seventh relay 10, and the eighth relay 11 are normally open relays.
Further, the current signal switch 12 includes a current sensor and a first electronic control switch, the current sensor is electrically connected to the first electronic control switch, the current sensor collects a current signal passing through the driving terminal 18, and the first electronic control switch is powered on after receiving the current signal of the current sensor.
Further, the rotation speed signal switch 13 includes a rotation speed sensor and a second electronic control switch, the rotation speed sensor is electrically connected to the second electronic control switch, the rotation speed sensor collects the rotation speed signal of the driving terminal 18, and the second electronic control switch is powered on after receiving the rotation speed signal of the rotation speed sensor.
First operation signal switch 1, second operation signal switch 2, third operation signal switch 3 are closed after receiving the operation signal to make corresponding first relay 4, second relay 5, the circular telegram of third relay 6, and then make the contact closure that the relay corresponds, and then make fourth relay 7, fifth relay 8, the circular telegram of sixth relay 9 be connected with the contact. Two of the first relay 4, the second relay 5 and the third relay 6 are electrified to enable one of the fourth relay 7, the fifth relay 8 and the sixth relay 9 to be electrified, and when the rotating speed signal switch 13 or the current signal switch 12 is closed, one of the seventh relay 10 and the eighth relay 11 is electrified, so that one contact of the seventh relay 10 and the eighth relay 11 is closed, the driving terminal 18 is electrified, and the equipment is stopped. Therefore, the parking caused by misoperation of the operation signal switch due to interference or faults can be avoided.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the utility model.
Claims (4)
1. The utility model provides a high pressure slurry pump interlocking control system which characterized in that: the intelligent control system comprises a first operation signal switch, a second operation signal switch, a third operation signal switch, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay, a seventh relay, an eighth relay, a current signal switch and a rotating speed signal switch, wherein the first operation signal switch is electrically connected with the first relay, the second operation signal switch is electrically connected with the second relay, the third operation signal switch is electrically connected with the third relay, the second relay comprises two first contacts and two second contacts, the third relay comprises three first contacts and three second contacts, the two first contacts and the fourth relay of the first relay are connected in series, the two contacts, the three first contacts and the fifth relay are connected in series, the three second contacts, the contacts of the first relay and the fifth relay are connected in series, and the contacts, the third contacts, the third contacts and the fifth relay are connected in series, and the fourth relay, The contact of the fifth relay and the contact of the sixth relay are connected in parallel, the seventh relay and the eighth relay are connected in parallel, the contact of the fourth relay, the contact of the fifth relay, the contact of the sixth relay, the seventh relay and the eighth relay share one power supply, the current signal switch and the rotating speed signal switch are respectively electrically connected with the seventh relay and the eighth relay, and the contact of the seventh relay and the contact of the eighth relay are connected in parallel on a circuit where the driving terminal is located.
2. The high pressure slurry pump interlock control system according to claim 1, wherein: the first relay, the second relay, the third relay, the fourth relay, the fifth relay, the sixth relay, the seventh relay and the eighth relay are normally open relays.
3. The high pressure slurry pump interlock control system according to claim 1, wherein: the current signal switch comprises a current sensor and a first electric control switch, the current sensor is electrically connected with the first electric control switch, the current sensor collects current signals passing through the driving terminal, and the first electric control switch is electrified after receiving the current signals of the current sensor.
4. The high pressure slurry pump interlock control system according to claim 1, wherein: the rotating speed signal switch comprises a rotating speed sensor and a second electric control switch, the rotating speed sensor is electrically connected with the second electric control switch, the rotating speed sensor collects rotating speed signals of the driving terminal, and the second electric control switch is electrified after receiving the rotating speed signals of the rotating speed sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121380376.1U CN215333352U (en) | 2021-06-21 | 2021-06-21 | High-pressure slurry pump interlocking control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121380376.1U CN215333352U (en) | 2021-06-21 | 2021-06-21 | High-pressure slurry pump interlocking control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215333352U true CN215333352U (en) | 2021-12-28 |
Family
ID=79559887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121380376.1U Active CN215333352U (en) | 2021-06-21 | 2021-06-21 | High-pressure slurry pump interlocking control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215333352U (en) |
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2021
- 2021-06-21 CN CN202121380376.1U patent/CN215333352U/en active Active
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