CN213808300U - Booster fan oil station interlocking control system - Google Patents
Booster fan oil station interlocking control system Download PDFInfo
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- CN213808300U CN213808300U CN202022392712.6U CN202022392712U CN213808300U CN 213808300 U CN213808300 U CN 213808300U CN 202022392712 U CN202022392712 U CN 202022392712U CN 213808300 U CN213808300 U CN 213808300U
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Abstract
The utility model discloses a booster fan oil station interlocking control system comprises a control unit, wherein, the control unit is electrically connected with a pressure detection unit, the pressure detection unit is arranged in an output pipeline of an oil station, and the pressure detection unit is used for detecting the output pressure of the oil station; the control unit is electrically connected with the relay, receives a low-pressure signal to control the relay to be electrified, and receives a high-pressure signal to control the relay to be powered off; the relay is connected to a control loop of the booster fan, and the control loop controls the booster fan to be electrified. The pressure detection unit detects the output oil pressure of the oil station, and the control unit controls the relay according to the oil pressure value when the oil pressure value is low, so that the control loop is disconnected, and the booster fan is powered off. Therefore, the condition that the oil station is not electrified on the booster fan is avoided, and the condition that the booster fan works when oil supply of the oil station is insufficient is avoided.
Description
Technical Field
The utility model relates to an interlocking control system field especially relates to a booster fan oil station interlocking control system.
Background
The booster Fan is also called a desulfurization Fan (Boost Fan, BF), and is a main device for overcoming the flue gas resistance of a FGD (flue gas desulfurization) device, introducing raw flue gas into a desulfurization system, and stabilizing the outlet pressure of a boiler induced draft Fan.
Oil supply of an oil station is needed in the using process of the booster fan, and in the prior art, the oil station and the booster fan are mutually independent in power-on control. Due to carelessness of work, the booster fan can be started without starting the oil station, and if workers do not perceive the situation, the booster fan works under the condition that oil is not supplied to the oil station, so that the booster fan is damaged. Or in the working process of the booster fan, the oil supply pressure of the oil station is insufficient due to the consumption of oil, and the booster fan can also be damaged due to insufficient oil supply when continuously working.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a booster fan oil station interlocking control system.
The utility model provides a booster fan oil station interlocking control system, which comprises a control unit, wherein,
the control unit is electrically connected with the pressure detection unit, the pressure detection unit is arranged in an output pipeline of the oil station, and the pressure detection unit is used for detecting the output pressure of the oil station;
the control unit is electrically connected with the relay, receives a low-pressure signal to control the coil of the relay to be electrified, and receives a high-pressure signal to control the coil of the relay to be powered off;
the relay is connected to a control loop of the booster fan, and the control loop controls the circuit breaker to be switched on and switched off.
Furthermore, the control unit comprises a power module, the power module is electrically connected with the control module, the control module is electrically connected with the reset module, the control module is electrically connected with the clock module, and the control module is electrically connected with the relay.
Furthermore, the power module comprises an AC-DC conversion circuit, the AC-DC conversion circuit is electrically connected with a voltage reduction and stabilization chip, and the voltage reduction and stabilization chip is electrically connected with the control module.
Furthermore, any IO port of the control module is grounded through a resistor R1 and a resistor R2, a gate of a fet switch Q1 is electrically connected between the resistor R1 and the resistor R2, a source of the fet switch Q1 is grounded, a drain of the fet switch Q1 is connected to the output of the relay and the AC-DC conversion circuit, the relay is provided with two control contacts, one control contact is connected to the connector P1, the other contact is connected to the connector P2, and the connector P1 and the connector P2 are alternately energized.
Furthermore, the control circuit is electrically connected with a comprehensive guarantee unit, the comprehensive guarantee unit is electrically connected with a circuit breaker, the comprehensive guarantee unit receives a P1 joint signal and controls the circuit breaker to be switched on, and the comprehensive guarantee unit receives a P2 joint signal and controls the circuit breaker to be switched off.
Furthermore, the pressure detection unit is a hydraulic sensor, and the hydraulic sensor is electrically connected with the control module.
Compared with the prior art, the utility model discloses a booster fan oil station interlocking control system has following beneficial effect:
the utility model provides a booster fan oil station interlocking control system passes through the output oil pressure of the oil station that pressure detecting element detected for the booster fan fuel feeding, pressure detecting element transmitted output oil pressure for the control unit, the control unit judged the oil pressure value, and sent the control signal of relay according to the oil pressure value; when the oil pressure is the low pressure, the control unit control field effect transistor switch Q1 switches on, the relay circular telegram, and two contacts remove to the coil for connect P2 circular telegram, the signal control of integrated guarantee unit receiving terminal P2 the circuit breaker separating brake, when the oil pressure is high pressure, the control unit control field effect transistor switch Q1 ends, makes the relay outage, two contacts move to the coil dorsad for connect P1 circular telegram, the signal control of integrated guarantee unit receiving terminal P1 the circuit breaker is closed a floodgate.
(1) When the booster fan is started and the oil station is not started, the pressure detection unit detects a low-voltage signal, the control unit controls the relay to be electrified, the two contacts move towards the coil, the connector P2 is electrified, the comprehensive guarantee unit receives a signal of the connector P2 to control the breaker to be opened, and the booster fan is powered off. Thereby avoiding the situation that the oil station is not electrified on the booster fan. The condition that the booster fan is damaged under the condition of not supplying oil is avoided.
(2) When the oil station oil mass is not enough, output pressure reduces, the pressure detection unit detects low-voltage signal, the control unit control the relay circular telegram, two contacts remove to the coil for connect P2 circular telegram, the signal control of comprehensive guarantee unit receiving connection P2 the circuit breaker separating brake. Thereby avoiding the situation that the booster fan is damaged due to insufficient oil pressure of the oil station and the work of the booster fan.
Drawings
Fig. 1 is a schematic view of an oil station interlocking control system of a booster fan provided by the present invention;
fig. 2 is a schematic diagram of a control unit provided by the present invention;
fig. 3 is a schematic diagram of a power module provided by the present invention;
fig. 4 is a schematic diagram of a control module and a relay provided by the present invention.
The symbols in the figures and their meanings are as follows:
1. the device comprises a control unit, 11, a power supply module, 12, a control module, 13, a reset module, 14, a clock module, 2, a pressure detection unit, 3, a relay, 4 and a control loop.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and embodiments. It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
Referring to fig. 1, the utility model provides a booster fan oil station interlocking control system, including the control unit 1, wherein, the control unit 1 electric connection pressure detection unit 2, pressure detection unit 2 sets up in the output pipeline of oil station, pressure detection unit 2 is used for detecting oil station output pressure; the control unit 1 is electrically connected with the relay 3; specifically, referring to fig. 2, the control unit 1 includes a power module 11, the power module 11 is electrically connected to a control module 12, the control module 12 is electrically connected to a reset module 13, the control module 12 is electrically connected to a clock module 14, and the control module 12 is electrically connected to the relay 3. Referring to fig. 3, the power module 11 includes an AC-DC conversion circuit electrically connected to a buck regulator chip, and the buck regulator chip is electrically connected to the control module 12. The buck voltage-stabilizing chip provides a stable power supply for the control module 12, and the AC-DC conversion circuit supplies power to the relay 3 through the fet switch Q1.
In a specific implementation process, referring to fig. 4, any IO port of the control module 12 is grounded through a resistor R1 and a resistor R2, a gate of a fet switch Q1 is electrically connected between the resistor R1 and the resistor R2, a source of the fet switch Q1 is grounded, and a drain of the fet switch Q1 is connected to the output of the relay 3 and the output of the AC-DC conversion circuit. The control unit 1 receives a low-pressure signal to control the relay 3 to be powered on, so that the joint P2 is powered on, the comprehensive guarantee unit receives a signal of a joint P2 to control the breaker to be opened and the booster fan to be powered off, the control unit 1 receives a high-pressure signal to control the relay 3 to be powered off, so that the joint P1 is powered on, and the comprehensive guarantee unit receives a signal of a joint P2 to control the breaker to be closed and the booster fan to be powered on;
the relay 3 is connected to a control circuit 4 of the booster fan, specifically, a comprehensive guarantee unit and a circuit breaker are connected in series in the control circuit 4, and the comprehensive guarantee unit is a microcomputer type comprehensive protection device. And the comprehensive guarantee unit controls the circuit breaker according to the signal of the relay 3, and the circuit breaker is used as a power-on control component of the booster fan to control the booster fan to be powered on.
The pressure detection unit 2 is a hydraulic sensor, and the hydraulic sensor is electrically connected with the control module 12 through RS 485. The pressure detection unit 2 is arranged in an oil outlet pipeline of the oil station, and the pressure detection unit 2 measures the oil outlet pressure in the oil outlet pipeline. The control module 12
The utility model provides a booster fan oil station interlocking control system principle does:
the utility model provides a booster fan oil station interlocking control system passes through the output oil pressure of the oil station of pressure detection unit 2 detection for the booster fan fuel feeding, pressure detection unit 2 with output oil pressure transmission for control unit 1, control unit 1 judges the oil pressure value, and sends the control signal of relay 3 according to the oil pressure value; when the oil pressure is the low pressure, the control unit 1 control field effect transistor switch Q1 switches on, relay 3 circular telegram makes connect P2 circular telegram, the signal control of comprehensive guarantee unit receiving connection P2 the circuit breaker separating brake, the booster fan outage, when the oil pressure is high-pressure, the control unit 1 control field effect transistor switch Q1 ends, makes relay 3 outage makes connect P1 circular telegram, the signal control of comprehensive guarantee unit receiving connection P1 the circuit breaker is closed a floodgate, and the booster fan is gone up the electricity.
The utility model provides a booster fan oil station interlocking control system can open and when the oil station is not opened at booster fan, through the pressure detection unit detects low-voltage signal, the control unit control the relay control booster fan outage. Thereby avoiding the situation that the oil station is not electrified on the booster fan. The condition that the booster fan is damaged under the condition of not supplying oil is avoided.
The utility model provides a booster fan oil station interlocking control system can be not enough at the oil station oil mass, when output pressure reduces, through the pressure detection unit detects low-voltage signal, the control unit control the relay makes control circuit disconnection, booster fan outage. Thereby avoiding the situation that the booster fan is damaged due to insufficient oil pressure of the oil station and the work of the booster fan.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.
Claims (6)
1. The booster fan oil station interlocking control system is characterized by comprising a control unit (1), wherein,
the control unit (1) is electrically connected with the pressure detection unit (2), the pressure detection unit (2) is arranged in an output pipeline of the oil station, and the pressure detection unit (2) is used for detecting the output pressure of the oil station;
the control unit (1) is electrically connected with the relay (3), the control unit (1) receives a low-pressure signal to control the coil of the relay (3) to be electrified, and the control unit (1) receives a high-pressure signal to control the coil of the relay (3) to be powered off;
the relay (3) is connected to a control loop (4) of the booster fan, and the control loop (4) controls the circuit breaker to be switched on and switched off.
2. The booster fan oil station interlocking control system according to claim 1, wherein the control unit (1) comprises a power module (11), the power module (11) is electrically connected with a control module (12), the control module (12) is electrically connected with a reset module (13), the control module (12) is electrically connected with a clock module (14), and the control module (12) is electrically connected with the relay (3).
3. The booster fan oil station interlocking control system according to claim 2, wherein the power module (11) comprises an AC-DC conversion circuit, the AC-DC conversion circuit is electrically connected with a voltage reduction and voltage stabilization chip, and the voltage reduction and voltage stabilization chip is electrically connected with the control module (12).
4. The booster fan oil station interlocking control system as claimed in claim 3, wherein any IO port of the control module (12) is grounded through a resistor R1 and a resistor R2, a gate of a field effect transistor switch Q1 is electrically connected between the resistor R1 and the resistor R2, a source of the field effect transistor switch Q1 is grounded, a drain of the field effect transistor switch Q1 is connected with the output of the relay (3) and the AC-DC conversion circuit, the relay (3) is provided with two control contacts, one control contact is connected with a joint P1, the other contact is connected with a joint P2, and the joint P1 and the joint P2 are alternately electrified.
5. The booster fan oil station interlocking control system according to claim 1, wherein the control loop is electrically connected with an integrated guarantee unit, the integrated guarantee unit is electrically connected with a circuit breaker, the integrated guarantee unit receives a P1 joint signal to control the circuit breaker to be switched on, and the integrated guarantee unit receives a P2 joint signal to control the circuit breaker to be switched off.
6. The booster fan oil station interlock control system according to claim 2, wherein the pressure detection unit (2) is a hydraulic sensor, and the hydraulic sensor is electrically connected to the control module (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392712.6U CN213808300U (en) | 2020-10-23 | 2020-10-23 | Booster fan oil station interlocking control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022392712.6U CN213808300U (en) | 2020-10-23 | 2020-10-23 | Booster fan oil station interlocking control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808300U true CN213808300U (en) | 2021-07-27 |
Family
ID=76961251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022392712.6U Active CN213808300U (en) | 2020-10-23 | 2020-10-23 | Booster fan oil station interlocking control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808300U (en) |
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2020
- 2020-10-23 CN CN202022392712.6U patent/CN213808300U/en active Active
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