CN211370644U - Diesel-driven high-pressure air compressor control system - Google Patents
Diesel-driven high-pressure air compressor control system Download PDFInfo
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- CN211370644U CN211370644U CN201922233803.2U CN201922233803U CN211370644U CN 211370644 U CN211370644 U CN 211370644U CN 201922233803 U CN201922233803 U CN 201922233803U CN 211370644 U CN211370644 U CN 211370644U
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- air compressor
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- control system
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Abstract
The utility model discloses a diesel drive high pressure air compressor control system, wherein control system includes the solenoid valve that admits air: the air inlet is arranged on the air compressor; a pressure switch: the system pressure is used for detecting the system pressure of the air compressor; a first relay: the motor is used for controlling the diesel engine and the compressor to synchronously act; a second relay: acts synchronously with the first relay; a contactor: the pressure switch is connected in series and acts synchronously with the second relay, and the air compressor is controlled to be loaded in a delayed mode through the air inlet electromagnetic valve. The utility model discloses control system passes through time relay, signal lamp and contactor, combines air compressor machine and diesel engine together, constitutes one set of closed loop air supply system that can automatic operation to the influence of human factor to system's safe operation has been avoided.
Description
Technical Field
The utility model relates to an air compressor technical field, concretely relates to diesel engine driven air compressor's control system.
Background
The air compressor is a basic product of industrial modernization, is a core device of a starting system, is a main body in an electromechanical air-entraining source device, and is a device for converting mechanical energy of motive power into gas pressure energy.
Diesel engines are engines that burn diesel fuel to obtain energy release. In the existing diesel engine driving, a clutch needs to be arranged between a diesel engine and an air compressor and is controlled through the clutch.
The clutch needs to be manually controlled to operate the starting and stopping states of the air compressor, so that the air compressor needs to be manually stopped when the pressure is high and started when the pressure is low, and the air compressor needs to be manually started when the pressure is low.
Disclosure of Invention
The utility model aims to solve the technical problem that to the not enough of above-mentioned prior art existence, and provide a diesel drive high pressure air compressor control system with closed loop automatic operation air supply system.
In order to solve the technical problem, the utility model discloses a technical scheme is:
a diesel-driven high-pressure air compressor control system, comprising:
an air inlet electromagnetic valve: the air inlet is arranged on the air compressor;
a pressure switch: the system pressure is used for detecting the system pressure of the air compressor;
a first relay: the motor is used for controlling the diesel engine and the compressor to synchronously act;
a second relay: acts synchronously with the first relay;
a contactor: the pressure switch is connected in series and acts synchronously with the second relay, and the air compressor is controlled to be loaded in a delayed mode through the air inlet electromagnetic valve.
Further comprising:
oil level protection switch: acting when the compressor oil level is below the warning position;
oil level warning indicator: sending an oil level alarm signal;
a third relay: and the oil level alarm indicator lamp is controlled to be turned on or off by synchronous action with the oil level protection switch.
Further comprising: and the blowdown electromagnetic valve is controlled by the contactor to carry out delayed blowdown.
The utility model discloses control system passes through time relay, signal lamp and contactor, combines air compressor machine and diesel engine together, constitutes one set of closed loop air supply system that can automatic operation to the influence of human factor to system's safe operation has been avoided.
Drawings
FIG. 1 is a circuit diagram of a control system;
fig. 2 is a flowchart of the control method.
In the figure: QF is a breaker; TR is a delay head; HL is a power supply indicator light; k is a relay; KA0 is a contactor; SV1 is an air inlet electromagnetic valve; SV2 is a sewage discharge electromagnetic valve; DR is a heater; m is a motor; ST1 is a diesel engine starting switch; ST2 is a power-on switch of the instrument; LOLS is an oil level protection switch; PS is a pressure switch; HL1 is the oil level warning indicator lamp.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, the utility model discloses diesel drive high pressure air compressor machine control system, including following controlling means:
the breaker QF is C32H-DC 1P 10A (DC 24V).
The time delay head TR is an optional model LADT4 (10-180S).
Signal lamp HL (white) is optional model XB2BVB1 LC.
Signal lamp HL (red) is optional model XB2BVB1 LC.
And a UK baffle is selected as the plug.
The terminal can be selected from UK 3N.
An intermediate relay K1 is an optional model MY4NJ DC 24V.
The control relay is an optional model MY4NJ DC 24V.
Contactor KA0, optional model LC1D09BDC (direct current 24V).
A pressure switch PS.
The connection relationship of the devices is shown in fig. 1. The relay K0, the relay K1, the contactor KA0, the pressure switch PS, the air inlet electromagnetic valve SV1 and the sewage discharge electromagnetic valve SV2 form an air compressor control module, and the working states of the air inlet electromagnetic valve SV1 and the sewage discharge electromagnetic valve SV2 are controlled through the states of the pressure switch, the relay K0, the relay K1 and the contactor KA 0; the relay K2, the oil level protection switch LOLS, and the oil level warning indicator lamp BL1 constitute an oil level warning module.
When the diesel engine panel is in the starting gear (ST 1), the relay K0 and the motor M are simultaneously operated; in the heating range, the heater DR 1/DR 2/DR 3 starts to work; when the oil level of the compressor is alarmed, the relay K2 acts, the alarm indicator BL1 is on, the relay K0 acts, the relay K1 and the contactor KA0 act, the K1 is locked, the time delay head TR on the KA0 starts timing, on the premise that the pressure switch PS allows, the compressor is loaded in a time delay mode, and at the moment, the electromagnetic valve SV 1/SV 2 is electrified and starts to be closed.
The utility model discloses control system is as follows to air compressor machine and diesel engine's control process, see figure 2:
firstly, manually igniting a diesel engine; synchronously starting an engine of the air machine;
step two, pressure switch judgment: when the pressure switch judges that the system pressure of the air compressor is normal, the air inlet valve is opened, and the air compressor is loaded and operated; when the pressure switch judges that the system pressure of the air compressor is abnormal, the air inlet valve is closed, and the air compressor is unloaded to operate;
and thirdly, manually extinguishing the diesel engine after the air compressor is unloaded and operated.
Be different from traditional diesel oil air compressor machine and need go to operate the air compressor machine through people such as control clutch and open the loaded down with trivial details that stops the state, the utility model discloses control system is through installing the admission valve additional at the air inlet to by the operating condition of this admission valve of pressure switch control. When the system pressure is lower than a set value, the air inlet valve is opened, and the air compressor is loaded to operate; when the system pressure is above the set point. And (4) closing the air inlet valve and unloading the air compressor for operation. Thus, the automatic operation of the whole set of system is realized.
When the air inlet valve is completely closed, because the air compressor is still running, the negative pressure state of the system can be formed, and negative influence is generated, so that a small hole is formed in the air inlet valve to balance internal pressure and external pressure, but the internal pressure of the system cannot be increased suddenly.
Oil shortage is an important reason for causing air compressor faults in the operation process of the air compressor, so that an oil level protection switch LOLS is additionally arranged in a circuit control system, and an alarm prompt is given when the system is in oil shortage.
Claims (3)
1. The utility model provides a diesel drive high pressure air compressor machine control system which characterized in that includes:
an air inlet electromagnetic valve: the air inlet is arranged on the air compressor;
a pressure switch: the system pressure is used for detecting the system pressure of the air compressor;
a first relay: the motor is used for controlling the diesel engine and the compressor to synchronously act;
a second relay: acts synchronously with the first relay;
a contactor: the pressure switch is connected in series and acts synchronously with the second relay, and the air compressor is controlled to be loaded in a delayed mode through the air inlet electromagnetic valve.
2. The diesel-driven high-pressure air compressor control system according to claim 1, further comprising:
oil level protection switch: acting when the compressor oil level is below the warning position;
oil level warning indicator: sending an oil level alarm signal;
a third relay: and the oil level alarm indicator lamp is controlled to be turned on or off by synchronous action with the oil level protection switch.
3. The diesel-driven high-pressure air compressor control system according to claim 1, further comprising: a blowdown electromagnetic valve: and the contactor is arranged at an exhaust port of the air machine and is used for controlling time-delay pollution discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922233803.2U CN211370644U (en) | 2019-12-13 | 2019-12-13 | Diesel-driven high-pressure air compressor control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922233803.2U CN211370644U (en) | 2019-12-13 | 2019-12-13 | Diesel-driven high-pressure air compressor control system |
Publications (1)
| Publication Number | Publication Date |
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| CN211370644U true CN211370644U (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922233803.2U Active CN211370644U (en) | 2019-12-13 | 2019-12-13 | Diesel-driven high-pressure air compressor control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821779A (en) * | 2019-12-13 | 2020-02-21 | 南京恒达压缩机有限公司 | Diesel-driven high-pressure air compressor control system |
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2019
- 2019-12-13 CN CN201922233803.2U patent/CN211370644U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110821779A (en) * | 2019-12-13 | 2020-02-21 | 南京恒达压缩机有限公司 | Diesel-driven high-pressure air compressor control system |
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