CN110735727B - Control device and control method for emergency operation of diesel generator set - Google Patents
Control device and control method for emergency operation of diesel generator set Download PDFInfo
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- CN110735727B CN110735727B CN201910972253.8A CN201910972253A CN110735727B CN 110735727 B CN110735727 B CN 110735727B CN 201910972253 A CN201910972253 A CN 201910972253A CN 110735727 B CN110735727 B CN 110735727B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/06—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving electric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M1/00—Pressure lubrication
- F01M1/18—Indicating or safety devices
- F01M1/20—Indicating or safety devices concerning lubricant pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
A control device for emergency operation of a diesel generating set and a control method thereof are manual control devices and can be connected to a control panel of a control system of the diesel generating set through a connector plug XP, and the control device comprises the connector plug XP, a miniature circuit breaker QF01, a key switch SA01, an idle speed-full speed button switch SA02, an air inlet preheating-closing button switch SA03, a low oil pressure indicator lamp HL01 and a high water temperature indicator lamp HL 02. The manual emergency control device is independently used as a device, so that the access and the withdrawal are convenient, the emergency function is complete, and the control effect is comprehensive and efficient; manual emergency devices are removed from a control panel of the power station control system, the panel is arranged cleanly, the layout size can be smaller, and the installation space is saved.
Description
Technical Field
The invention relates to the field of diesel generating sets, in particular to a control device and a control method for emergency operation of a diesel generating set, which are devices capable of finishing starting, stopping operation and on-board fault state indication of the diesel generating set in an emergency state (debugging or failure of a set controller or maintenance or a state of a low-temperature environment).
Background
A control system configured by an existing intelligent power station power supply system generally has two working modes of manual emergency control and automatic control, and the manual and automatic control modes are mutually backed up, so that the task reliability of a power station is improved.
The manual emergency essential functions are as follows: controlling: start-stop, idle-full speed, etc. All the devices including manual emergency control and automatic control (including unit controller, etc.) are placed on the control screen panel of the power station configuration, and the following disadvantages exist:
1) the control screen panel has more devices and is not fresh and cool in layout;
2) the layout size of the panel is large.
Based on the fact that the manual emergency control is not frequently used (used in the state of debugging or machine group controller failure or maintenance or low-temperature environment), the manual emergency control is considered to be used as a device independently, access and withdrawal are convenient, and the emergency function is complete. The manual emergency device is removed from the control panel of the power station control system, the panel layout is clean, and the layout size can be smaller.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the control device and the control method for the emergency operation of the diesel generator set, the manual emergency control device is independently used as a device, the access and the withdrawal are convenient, the emergency function is complete, and the control effect is comprehensive and efficient; manual emergency devices are removed from a control panel of the power station control system, the panel is arranged cleanly, the layout size can be smaller, and the installation space is saved.
The invention discloses a control device and a control method for emergency operation of a diesel generator set, which are concretely realized as follows:
the emergency operation electric realization device of the diesel generating set, which comprises a connector plug, a miniature circuit breaker, a key switch, an idle speed-full speed toggle switch, an air inlet preheating-closing toggle switch, a low oil pressure indicator lamp, a high water temperature indicator lamp and the like, can complete the necessary starting, stopping, idle speed-full speed, closing, opening and air inlet preheating control functions of a manual emergency state and the indication of the fault states of high water temperature and low oil pressure.
The electric realization device for emergency operation of the diesel generating set consists of a connector plug XP, a miniature circuit breaker QF01, a key switch SA01, an idle speed-full speed button switch SA02, an air inlet preheating-closing button switch SA03 (SA 03_ L air inlet preheating and SA03_ R closing), a low oil pressure indicator HL01 and a high water temperature indicator HL 02.
Before the emergency operation device of the diesel generating set is put into operation, a connector plug XP on the emergency operation device of the diesel generating set is required to be well connected with a connector socket on a control system of the diesel generating set. Control signals in the diesel generating set emergency operation device are output to a diesel generating set control system through a connector plug XP to execute corresponding actions, and a direct-current power supply, a low oil pressure state and a high water temperature state in the diesel generating set control system are input into the diesel generating set emergency operation device through the connector plug XP.
When the direct current power supply is short-circuited or overloaded, the miniature circuit breaker QF01 trips for protection.
The key switch SA01 is operated to realize starting and oil valve signal output control; idle-full speed toggle SA02 realizes idle and full speed signal output control; the air inlet preheating-closing button switch SA03 realizes the output control of air inlet preheating and closing signals; a low oil pressure indicator lamp HL01 indicates a low oil pressure fault; the high water temperature indicator lamp HL02 indicates a high water temperature fault.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a diesel generating set emergency operation's controlling means, it is a manual control device to accessible connector plug XP connects to the control panel of diesel generating set control system, it includes connector plug XP, miniature circuit breaker QF01, key switch SA01, idling-full speed button sub-switch SA02, intake preheat-combined floodgate button sub-switch SA03, low oil pressure pilot lamp HL01, high water temperature pilot lamp HL02, intake preheat-combined floodgate button sub-switch SA03 includes intake preheat button SA03_ L, combined floodgate button SA03_ R, its characterized in that: the starting control items on the connector plug XP are connected to a key switch SA01 through a lead J102, oil valves, switching-on, air inlet preheating, idling-full speed, high water temperature and low oil pressure control items on the connector plug XP are connected to a key switch SA01 through leads J103, J106, J105, J104, J108 and J107 respectively, the leads J103, J106, J105, J104, J108 and J107 are connected in parallel, and the miniature circuit breaker QF01 is connected with the connector plug XP and the key switch SA01 through leads 200 and J100 respectively.
Furthermore, a low oil pressure indicator lamp HL01 is connected to the lead J107, a high water temperature indicator lamp HL02 is connected to the lead J108, an idle-full speed button switch SA02 is connected to the lead J104, an air inlet preheating button SA03_ L is connected to the lead J105, and a closing button SA03_ R is connected to the lead J106.
A control method of a control device for emergency operation of a diesel generating set is characterized in that a direct current power supply lead 200 is led into the emergency operation device of the diesel generating set through a connector plug XP, and the direct current power supply lead 200 is output through a miniature circuit breaker QF01 to be supplied to a direct current working power supply lead 100 of the emergency operation device of the diesel generating set; when the direct current power supply is short-circuited or overloaded, the miniature circuit breaker QF01 trips; a direct-current working power supply lead J100 is connected to a terminal of a key switch SA01, an operation key switch SA01 is arranged at a starting position and maintained, a lead J103 and a lead J102 on a terminal of a key switch SA01 are communicated with a lead J100 on a terminal of a key switch SA01, an oil valve lead J103 and a starting lead J102 output high potential through a connector plug XP, direct-current 24V voltage exists between the high potential and the negative pole of a direct-current power supply, and a diesel generator set is started; the key switch SA01 is released after the diesel generating set is started successfully, the key switch SA01 returns to the running position, a lead J100 on a terminal of the key switch SA01 is not communicated with a lead J102, the lead J100 is communicated with a lead J103, the starting lead J102 has no high potential, direct-current 24V voltage exists between the high potential and the negative electrode of the direct-current power supply, the high potential is output through a connector plug XP, the high potential is output through an oil valve lead J103 through the connector plug XP, direct-current 24V voltage exists between the high potential and the negative electrode of the direct-current power supply, and the diesel generating set runs in an idling mode.
Further, when the diesel generating set runs at an idle speed, an idle-full speed button switch SA02 on the emergency operation device of the diesel generating set is operated to be in a full-speed position, a lead J103 on a terminal of an idle-full speed button switch SA02 is communicated with a lead J104, the full-speed lead J104 outputs a high potential through a connector plug XP, a direct current 24V voltage is arranged between the high potential and the negative pole of the direct current power supply, and the diesel generating set runs at a full speed; and operating an idle-full speed button switch SA02 on the emergency operation device of the diesel generator set to an idle position, disconnecting a lead J103 and a lead J104 on a terminal of an idle-full speed button switch SA02, ensuring that the full-speed lead J104 has no high potential, and outputting a direct-current 24V voltage between the high potential and the negative electrode of the direct-current power supply through a connector plug XP to ensure that the diesel generator set runs at an idle speed.
Further, after the diesel generating set normally operates, an air inlet preheating and closing button switch SA03 on the emergency operation device of the diesel generating set is operated to be in a closing position, a lead J103 on a terminal of an air inlet preheating and closing button switch SA03 is communicated with a lead J106, the closing lead J106 outputs high potential through a connector plug XP, and the diesel generating set performs closing; after the diesel generating set is successfully switched on, the air inlet preheating-switching knob switch SA03 is operated to be at the position of 0, no high potential is output by a connector assembly plug XP through a switching-on lead J106, and the diesel generating set executes switching-off.
Further, in the non-starting state of the diesel generator set, the key switch SA01 is placed at the running position, and a lead J100 on a terminal of the key switch SA01 is communicated with a lead J103; an air inlet preheating-closing button switch SA03 on the emergency operation device of the diesel generating set is operated to be positioned at an air inlet preheating position and maintained, a lead J103 on a terminal of an air inlet preheating-closing button switch SA03 is communicated with a lead J105, the air inlet preheating lead J105 outputs high potential through a connector plug XP, and the air inlet preheating device of the diesel generating set works; an air inlet preheating-closing button switch SA03 on the emergency operation device of the diesel generating set is loosened, an air inlet preheating-closing button switch SA03 returns to the position of 0, a lead J103 on a terminal of an air inlet preheating-closing button switch SA03 is not communicated with a lead J105, no high potential of the air inlet preheating lead J105 is output through a connector plug XP, and the air inlet preheating device of the diesel generating set stops working.
Further, when a low oil pressure fault occurs in the diesel generator set, a low oil pressure lead J107 led in through a connector plug XP has low potential input, and a low oil pressure indicator lamp HL01 on the emergency operation device of the diesel generator set is turned on; when the diesel generating set has a high water temperature fault, a high water temperature lead J108 led in through a connector plug XP has low potential input, and a high water temperature indicator HL02 on the emergency operation device of the diesel generating set is lightened.
According to the control device and the control method for the emergency operation of the diesel generating set, the manual emergency control device is independently used as one device and is not connected with the automatic control device on the same control panel, so that the access and the withdrawal are convenient, the emergency function is complete, and the control effect is comprehensive and efficient; manual emergency devices are removed from a control panel of the power station control system, the panel is arranged cleanly, the layout size can be smaller, and the installation space is saved.
Drawings
Fig. 1 is a schematic view of a control device for emergency operation according to the present invention.
In the figure: XP: a connector plug; QF 01: a miniature circuit breaker; SA 01: a key switch; SA 02: idle-full speed toggle switches; SA 03: an air inlet preheating-closing button switch (SA 03_ L air inlet preheating and SA03_ R closing); HL 01: a low oil pressure fault indicator light; HL 02: a high water temperature fault indicator light; 200. j100, J102, J103, J104, J105, J106, J107, J108: the wire/lead/control line numbers on the terminals of the XP, QF01, etc. devices are labeled.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings.
The invention aims to design an electrical control device for emergency operation of a diesel generating set and a control method thereof, which are convenient to access and withdraw, can complete control functions of manual start-stop, idling-full speed, preheating and the like of the diesel generating set in the states of debugging of a power station or fault or maintenance of a set controller or low-temperature environment, and can indicate the fault of low oil pressure and high water temperature of the diesel generating set. And the operation control under the automatic control mode is matched with work, so that the task reliability of the power station is improved. After the device is used, the control panel device layout of the power station control system is more refreshing, and the panel layout size can be smaller.
As shown in figure 1, the control device for the emergency operation of the diesel generating set is a manual control device and can be connected to a control panel of a control system of the diesel generating set through a connector plug XP, and comprises the connector plug XP, a miniature circuit breaker QF01, a key switch SA01, an idle-full speed toggle switch SA02, an air inlet preheating-closing toggle switch SA03, a low oil pressure indicator HL01 and a high water temperature indicator HL02, wherein the air inlet preheating-closing toggle switch SA03 comprises an air inlet preheating toggle SA03_ L and a toggle SA03_ R, a starting control item on the connector plug XP is connected to the key switch SA01 through a lead J102, an oil valve, closing, air inlet preheating, idle-closing, high XP-full speed closing, and low oil pressure control items on the connector plug XP are respectively connected to the key switch SA01 through leads J103, J106, J105, J104, J108, J107 and J01, J106, J105, J104, J108 and J107 are connected in parallel, and the miniature circuit breaker QF01 is respectively connected with a connector plug XP and a key switch SA01 through leads 200 and J100.
The lead J107 is connected with a low oil pressure indicator lamp HL01, the lead J108 is connected with a high water temperature indicator lamp HL02, the lead J104 is connected with an idle-full speed button switch SA02, the lead J105 is connected with an air inlet preheating button SA03_ L, and the lead J106 is connected with a closing button SA03_ R.
In fig. 1: XP: a connector plug; QF 01: a miniature circuit breaker; SA 01: a key switch; SA 02: idle-full speed toggle switches; SA 03: an air inlet preheating-closing button switch (SA 03_ L air inlet preheating and SA03_ R closing); HL 01: a low oil pressure fault indicator light; HL 02: a high water temperature fault indicator light; 200. j100, J102, J103, J104, J105, J106, J107, J108: the wire/lead/control line numbers on the terminals of the XP, QF01, etc. devices are labeled.
The invention discloses a control device for emergency operation of a diesel generating set and a control method thereof, and the implementation method comprises the following steps:
the electric realization device for emergency operation of the diesel generating set comprises/comprises a connector plug XP, a miniature circuit breaker QF01, a key switch SA01, an idle speed-full speed button switch SA02, an air inlet preheating-closing button switch SA03 (SA 03_ L air inlet preheating and SA03_ R closing), a low oil pressure indicator lamp HL01 and a high water temperature indicator lamp HL 02. Before the diesel generating set emergency operation electric control device is put into operation, a connector plug XP on the diesel generating set emergency operation device needs to be well connected with a connector socket on a diesel generating set control system.
The direct current power supply lead 200 is led into the diesel generating set emergency operation device through a connector plug XP, and the direct current power supply lead 200 is output through the miniature circuit breaker QF01 to be supplied to the direct current working power supply lead 100 of the diesel generating set emergency operation device. When the direct current power supply is short-circuited or overloaded, the miniature circuit breaker QF01 trips. A direct current working power supply lead J100 is connected to a terminal of a key switch SA01 (on a first terminal and a second terminal of the terminal), an operation key switch SA01 is arranged at a starting position and maintained, a lead J103 and a lead J102 on a terminal of a key switch SA01 are communicated with a lead J100 on a terminal of a key switch SA01, an oil valve lead J103 and a starting lead J102 output high potential through a connector plug XP (direct current 24V voltage exists between the high potential and a negative pole of the direct current power supply), a diesel generator set is started, the key switch SA01 is released after the diesel generator set is started successfully, a key switch SA01 returns to an operating position, a lead J100 on a terminal of a key switch SA01 is not communicated with the lead J102, the lead J100 is communicated with the lead J103, the starting lead J102 does not have high potential (direct current 24V voltage exists between the high potential and a negative pole of the direct current power supply), the oil valve lead J103 outputs high potential through the connector plug XP (direct current 24V voltage exists between the high potential and the negative pole of the direct current power supply), and the diesel generating set runs at an idle speed.
When the diesel generating set runs at an idle speed, an idle-full speed button switch SA02 on the emergency operation device of the diesel generating set is operated to be in a full-speed position, a lead J103 on a terminal of an idle-full speed button switch SA02 is communicated with a lead J104, the full-speed lead J104 outputs a high potential (direct current 24V voltage exists between the high potential and the negative pole of a direct current power supply) through a connector plug XP, and the diesel generating set runs at a full speed. When an idling-full-speed button switch SA02 on the emergency operation device of the diesel generating set is operated to be in an idling position, a lead J103 on a terminal of an idling-full-speed button switch SA02 is disconnected with a lead J104, no high potential exists on the full-speed lead J104 (direct current 24V voltage exists between the high potential and the negative pole of a direct current power supply), the high potential is output through a connector plug XP, and the diesel generating set runs in an idling mode.
After the diesel generating set normally operates, an air inlet preheating and closing button switch SA03 on the emergency operation device of the diesel generating set is operated to be at a closing position, a lead J103 on a terminal of an air inlet preheating and closing button switch SA03 is communicated with a lead J106, the closing lead J106 outputs high potential (direct current 24V voltage exists between the high potential and the negative pole of a direct current power supply) through a connector plug XP, and the diesel generating set performs closing. After the diesel generating set is successfully switched on, the air inlet preheating-switching knob switch SA03 is operated to be at the position of 0, no high potential (direct current 24V voltage exists between the high potential and the negative electrode of a direct current power supply) is output through a connector plug XP by a switching-on lead J106, and the diesel generating set performs switching-off.
In the non-starting state of the diesel generator set, the key switch SA01 is placed at the running position, and a lead J100 on a terminal of the key switch SA01 is communicated with a lead J103. An air inlet preheating-closing button switch SA03 on the emergency operation device of the diesel generating set is operated to be at an air inlet preheating position and maintained, a lead J103 on a terminal of an air inlet preheating-closing button switch SA03 is communicated with a lead J105, the air inlet preheating lead J105 outputs high potential (direct current 24V voltage exists between the air inlet preheating lead J105 and the negative pole of a direct current power supply) through a connector plug XP, and the air inlet preheating device of the diesel generating set works. An air inlet preheating-closing button switch SA03 on the emergency operation device of the diesel generating set is loosened, an air inlet preheating-closing button switch SA03 returns to the position of 0, a lead J103 on a terminal of an air inlet preheating-closing button switch SA03 is not communicated with a lead J105, no high potential (direct current 24V voltage exists between the lead J105 and the negative pole of a direct current power supply) of the air inlet preheating lead J105 is output through a connector plug XP, and the air inlet preheating device of the diesel generating set stops working.
When the diesel generating set has a low oil pressure fault, a low oil pressure lead J107 led in through a connector plug XP has low potential (direct current 24V voltage is between the low potential lead and the positive electrode of a direct current power supply) input, and a low oil pressure indicator HL01 on the emergency operation device of the diesel generating set is lightened.
When the diesel generating set has a high water temperature fault, a high water temperature lead J108 led in through a connector plug XP has low potential (direct current 24V voltage is between the high potential lead J108 and the positive pole of a direct current power supply) input, and a high water temperature indicator HL02 on the emergency operation device of the diesel generating set is lightened.
According to the control device and the control method for the emergency operation of the diesel generating set, the manual emergency control device is independently used as one device and is not connected with the automatic control device on the same control panel, so that the access and the withdrawal are convenient, the emergency function is complete, and the control effect is comprehensive and efficient; manual emergency devices are removed from a control panel of the power station control system, the panel is arranged cleanly, the layout size can be smaller, and the installation space is saved.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (1)
1. A control method of a control device for emergency operation of a diesel generating set, the control device is a manual control device and can be connected to a control panel of a control system of the diesel generating set through a connector plug XP, the control device comprises the connector plug XP, a miniature circuit breaker QF01, a key switch SA01, an idle speed-full speed toggle switch SA02, an air inlet preheating-closing toggle switch SA03, a low oil pressure indicator HL01 and a high water temperature indicator HL02, the air inlet preheating-closing toggle switch SA03 comprises an air inlet preheating toggle SA03_ L and a toggle switch SA03_ R, and the control method is characterized in that: the starting control items on the connector plug XP are connected to a key switch SA01 through leads J102, the oil valve, closing, air inlet preheating, idling-full speed, high water temperature and low oil pressure control items on the connector plug XP are respectively connected to a key switch SA01 through leads J103, J106, J105, J104, J108 and J107, the leads J103, J106, J105, J104, J108 and J107 are connected in parallel, and the miniature circuit breaker QF01 is respectively connected with the connector plug XP and the key switch SA01 through leads 200 and J100;
the direct-current power supply lead 200 is introduced into the diesel generating set emergency operation device through a connector plug XP, and the direct-current power supply lead 200 is output through a miniature circuit breaker QF01 to be supplied to a direct-current working power supply lead 100 of the diesel generating set emergency operation device; when the direct current power supply is short-circuited or overloaded, the miniature circuit breaker QF01 trips; a direct-current working power supply lead J100 is connected to a terminal of a key switch SA01, an operation key switch SA01 is arranged at a starting position and maintained, a lead J103 and a lead J102 on a terminal of a key switch SA01 are communicated with a lead J100 on a terminal of a key switch SA01, an oil valve lead J103 and a starting lead J102 output high potential through a connector plug XP, direct-current 24V voltage exists between the high potential and the negative pole of a direct-current power supply, and a diesel generator set is started; the key switch SA01 is released after the diesel generating set is started successfully, the key switch SA01 returns to the running position, a lead J100 on a terminal of the key switch SA01 is not communicated with a lead J102, the lead J100 is communicated with a lead J103, the starting lead J102 has no high potential, direct-current 24V voltage is arranged between the high potential and the negative electrode of the direct-current power supply, the high potential is output through a connector plug XP, the high potential is output through an oil valve lead J103 through the connector plug XP, direct-current 24V voltage is arranged between the high potential and the negative electrode of the direct-current power supply, and the diesel generating set runs at an idle speed;
when the diesel generating set runs at an idle speed, an idle-full speed button switch SA02 on the emergency operation device of the diesel generating set is operated to be in a full-speed position, a lead J103 on a terminal of an idle-full speed button switch SA02 is communicated with a lead J104, the full-speed lead J104 outputs a high potential through a connector plug XP, direct-current 24V voltage is arranged between the high potential and the negative pole of a direct-current power supply, and the diesel generating set runs at the full speed; operating an idle-full speed button switch SA02 on the emergency operation device of the diesel generating set to an idle position, disconnecting a lead J103 and a lead J104 on a terminal of an idle-full speed button switch SA02, wherein the full-speed lead J104 has no high potential, and a direct current 24V voltage is arranged between the high potential and the negative electrode of the direct current power supply and is output through a connector plug XP, so that the diesel generating set runs at an idle speed;
after the diesel generating set normally operates, an air inlet preheating-closing button switch SA03 on the emergency operation device of the diesel generating set is operated to be in a closing position, a lead J103 on a terminal of an air inlet preheating-closing button switch SA03 is communicated with a lead J106, the closing lead J106 outputs high potential through a connector plug XP, and the diesel generating set performs closing; after the diesel generating set is successfully switched on, an air inlet preheating-switching-on button switch SA03 is operated to be at the position of 0, no high potential is output by a switching-on lead J106 through a connector plug XP, and the diesel generating set performs switching-off;
when the diesel generating set is not started, the key switch SA01 is placed at the running position, and a lead J100 on a terminal of the key switch SA01 is communicated with a lead J103; an air inlet preheating-closing button switch SA03 on the emergency operation device of the diesel generating set is operated to be positioned at an air inlet preheating position and maintained, a lead J103 on a terminal of an air inlet preheating-closing button switch SA03 is communicated with a lead J105, the air inlet preheating lead J105 outputs high potential through a connector plug XP, and the air inlet preheating device of the diesel generating set works; an air inlet preheating-closing button switch SA03 on the emergency operation device of the diesel generating set is loosened, an air inlet preheating-closing button switch SA03 returns to the position of 0, a lead J103 on a terminal of an air inlet preheating-closing button switch SA03 is not communicated with a lead J105, no high potential of the air inlet preheating lead J105 is output through a connector plug XP, and the air inlet preheating device of the diesel generating set stops working;
a lead J107 is connected with a low oil pressure indicator lamp HL01, a lead J108 is connected with a high water temperature indicator lamp HL02, a lead J104 is connected with an idle-full speed button switch SA02, a lead J105 is connected with an air inlet preheating button SA03_ L, and a lead J106 is connected with a closing button SA03_ R; when a low oil pressure fault occurs in the diesel generator set, a low oil pressure lead J107 led in through a connector plug XP has low potential input, and a low oil pressure indicator lamp HL01 on the emergency operation device of the diesel generator set is on; when the diesel generating set has a high water temperature fault, a high water temperature lead J108 led in through a connector plug XP has low potential input, and a high water temperature indicator HL02 on the emergency operation device of the diesel generating set is lightened.
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| CN201910972253.8A CN110735727B (en) | 2019-10-14 | 2019-10-14 | Control device and control method for emergency operation of diesel generator set |
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| CN201910972253.8A CN110735727B (en) | 2019-10-14 | 2019-10-14 | Control device and control method for emergency operation of diesel generator set |
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| CN110735727A CN110735727A (en) | 2020-01-31 |
| CN110735727B true CN110735727B (en) | 2022-03-15 |
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