CN116146394A - Passive black start working system of engine and working method thereof - Google Patents
Passive black start working system of engine and working method thereof Download PDFInfo
- Publication number
- CN116146394A CN116146394A CN202310155876.2A CN202310155876A CN116146394A CN 116146394 A CN116146394 A CN 116146394A CN 202310155876 A CN202310155876 A CN 202310155876A CN 116146394 A CN116146394 A CN 116146394A
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- Prior art keywords
- engine
- power
- energy storage
- control unit
- power supply
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N5/00—Starting apparatus having mechanical power storage
- F02N5/02—Starting apparatus having mechanical power storage of spring type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N7/00—Starting apparatus having fluid-driven auxiliary engines or apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G5/00—Devices for producing mechanical power from muscle energy
- F03G5/06—Devices for producing mechanical power from muscle energy other than of endless-walk type
- F03G5/062—Devices for producing mechanical power from muscle energy other than of endless-walk type driven by humans
- F03G5/065—Devices for producing mechanical power from muscle energy other than of endless-walk type driven by humans operated by the hand
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
Abstract
The invention provides a passive black start working system of an engine and a working method thereof, wherein the system comprises the engine and an energy storage starting device, a power-off control unit, an engine power supply system and an engine control system which are arranged on the engine, wherein the power output end of the power-off control unit is connected with the power input end of the engine control system, and the starting control end of the engine control system is connected with the starting control end of the energy storage starting device; the power output end of the engine power supply system is connected with the power input end of the power failure control unit. The invention realizes that under the condition of no storage battery, the initial electric energy of the engine control system is established through the hand-operated power generation device, so that the engine control system can work normally, the energy storage starting device starts the engine under the condition of not consuming the electric energy of the system, the engine is continuously powered by the self power supply system and the power supply conversion module of the power-losing control unit after running, and the storage module of the power-losing control unit is continuously powered after stopping, so that a whole set of running steps of the engine are completed.
Description
Technical Field
The invention relates to the field of automatic control, in particular to a passive black start working system of an engine and a working method thereof.
Background
Most of the current engine starting and controlling adopts an electric starting system as starting power and an electronic control system to control an engine fuel system, but the electric starting system uses a storage battery as a basic energy source, and practice proves that the storage battery can cause the voltage to be greatly reduced and the internal resistance to be increased due to natural discharge phenomena under the conditions of long-term storage, low-temperature environment and the like, so that the output power is insufficient, an electric starter cannot bring the engine to a starting rotating speed, and even the electronic control system of the engine cannot work normally, so that the engine cannot be started normally.
With the popularization of electronic control machine types, the necessity of ECU work and electronic throttle use is higher and higher, and due to the defects of the storage battery, how to separate from the storage battery in the use process of the engine is more and more important.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and particularly creatively provides a passive black start working system of an engine and a working method thereof.
In order to achieve the above object of the present invention, which is to achieve starting and controlling in the event that the engine loses control power, the present invention provides a passive black start operating system for an engine, comprising an engine and an energy storage starting device connected to the engine,
the engine power-off control system also comprises a power-off control unit, an engine power supply system and an engine control system which are arranged on the engine,
the power output end of the power-off control unit is connected with the power input end of the engine control system, and the starting control end of the engine control system is connected with the starting control end of the energy storage starting device;
the power output end of the engine power supply system is connected with the power input end of the power-off control unit;
the initial electric energy of the engine control system is established through the power-off control unit, so that the normal power supply of the engine control system is realized, and after the normal power supply of the engine control system, the engine is started through the energy storage starting device;
after the engine is started, the power supply generated by the engine power supply system supplies power to the engine control system normally through the power-off control unit.
Further, the power-loss control unit comprises a hand-operated power generation device, an electric energy storage module, a power conversion module, a power input port and a power output port;
the power output end of the hand-operated power generation device is connected with the power input end of the electric energy storage module, and the power output end of the electric energy storage module is connected with the power output port;
the power input port is connected with the power input end of the power conversion module, and the power output end of the power conversion module is connected with the power output port.
The power output end of the hand-operated power generation device is connected with the power input end of the electric energy storage module, and the power output end of the electric energy storage module is connected with the power output port; the power output port is connected with the power input end of the engine control system;
the power output end of the engine power supply system is connected with the power input port, the power input port is connected with the power input end of the power conversion module, and the power output end of the power conversion module is connected with the power output port.
Further, the engine category includes: the invention is applicable to any type of engine, including other engines such as diesel engines, gasoline engines, natural gas engines, biogas engines, and the like.
Further, the energy storage starting device includes: spring energy storage starting device, hydraulic energy storage starting device or pneumatic energy storage starting device.
Further, the engine power supply system includes: a switching power supply, a direct current generator and/or an alternating current generator.
The invention also provides a passive black start working method of the engine, which comprises the following steps:
s1, the voltage of an electric energy storage module is increased to the working voltage through a hand-operated power generation device of a power-off control unit, and an engine controller works normally after the working voltage is reached;
s2, the engine control system sends out an instruction to start an accelerator, and releases the energy storage starting device to drive the engine flywheel to rotate so as to enable the engine to start normally;
and S3, after the engine is started successfully, the engine starts to work by the self-provided power supply system, the power supply system inputs electric energy into a power supply conversion module of the power failure control unit, and the electric energy is supplied to the engine control system after voltage regulation and rectification.
Further, step S4 is included, after the engine is stopped, the power-off control unit continues to delay to provide the running power of the engine control system so as to inquire and save the running parameters of the control system.
Further, step S5 is also included, after the engine works normally, the energy storage starting device stores energy again to provide kinetic energy for the next engine start.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
the invention realizes that under the condition of no storage battery, the initial electric energy of the engine control system is established through the hand-operated power generation device of the power-losing control unit (rotating the rotating rod of the hand-operated power generation device), so that the engine control system can work normally, the energy storage starting device is utilized to start the engine, a large amount of electric energy required by the starting of the electric motor is avoided, the power supply generated by the self-contained generator power supply system provides energy for the energy storage starting device to provide kinetic energy for the next starting after the engine is successfully started, and the power supply generated by the generator power supply system is processed and continuously supplies power to the control system, so that a complete and brand-new engine working mode is formed, and the engine starting solution is provided under the condition that the storage battery is not available in the wild. Has great significance for army and civil equipment, engine emergency rescue equipment and the like which take the internal combustion engine as power.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a frame of the present invention;
FIG. 2 is a schematic circuit diagram of an electrical energy storage module of the present invention;
fig. 3 is a circuit schematic of the power conversion module of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
The invention discloses a passive black start working system of an engine, which is shown in figure 1 and comprises a power-off control unit, an engine power supply system, an engine control system, an engine and an energy storage starting device, and an engine controller.
The energy storage starting device is arranged at the position of a motor mounting hole of an engine flywheel shell, initial electric energy of an engine control system is established through a hand-operated power generation device of the power failure control unit, the engine control system is powered on normally, the engine is started through the energy storage starting device, a power supply system of the engine is connected with a power supply conversion module of the power failure control unit, the power supply conversion module adjusts voltage to rated voltage of the engine control system and outputs the rated voltage, the engine control system works normally, and the engine is powered on continuously through the power failure control unit after the engine is stopped, so that an engine working mode of completely separating from a storage battery and an electric motor is achieved.
The electrical circuit of the electrical energy storage module is shown in fig. 2, comprising:
the first end of the transformer T1 is connected with the first end of the resistor R13, the second end of the resistor R13 is connected with the first end of the capacitor C24, and the second end of the capacitor C24 is connected with the first output end of the power supply of the hand-operated power generation device; the second end of the transformer T1 is connected with the second output end of the power supply of the hand-operated power generation device;
the third end of the transformer T1 is connected with the collector electrode of the triode Q3 and the grid electrode of the field effect tube U4, the drain electrode of the field effect tube U4 is connected with the first end of the power supply BATT+, the capacitor C20 and the first end of the transformer T2,
the fourth end of the transformer T1 is connected with the first end of the resistor R14 and the first end of the resistor R15, the second end of the resistor R14 is connected with the base electrode of the triode Q3, the emitter electrode of the triode Q3 is connected with the anode of the diode D9, the source electrode of the field effect tube U4, the drain electrode of the field effect tube U6, the second end of the capacitor C20, the first end of the capacitor C28 and the second end of the transformer T2, and the cathode of the diode D9 is connected with the second end of the resistor R15;
the fifth end of the transformer T1 is connected with the collector of the triode Q4 and the grid electrode of the field effect transistor U6,
the sixth end of the transformer T1 is connected with the first end of a resistor R20 and the first end of a resistor R21, the second end of the resistor R20 is connected with the base electrode of a triode Q4, the emitter electrode of the triode Q4, the anode of a diode D12, the source electrode of a field effect tube U6 and the second end of a capacitor C28 are connected with an analog ground AGND, and the cathode of the diode D12 is connected with the second end of the resistor R21;
the third end of the transformer T2 is connected with the first end of the capacitor C25, the cathode of the diode D11 and the anode of the diode D6, the cathode of the diode D6 and the cathode of the diode D8 are connected with the first end of the super capacitor C26 and the anode of the diode D7, the anode of the diode D8, the second end of the capacitor C25 and the cathode of the diode D10 are connected with the fourth end of the transformer T2, the anode of the diode D10, the anode of the diode D11 and the second end of the super capacitor C26, the first end of the resistor R16, the first end of the resistor R17 and the second end of the interface J2 are connected with the circuit ground GND, and the cathode of the diode D7 and the second end of the resistor R16, the second end of the resistor R17 and the first end of the interface J2 are connected to output a power supply CAP+.
The electric energy storage module rectifies 24V voltage obtained by the hand-operated power generation device through a bridge circuit formed by a diode D6, a diode D8, a diode D10 and a diode D11, so that the super capacitor C26 is charged.
The circuit of the power conversion module is shown in fig. 3, and includes:
the first end of the interface P5 is connected with the first end of the capacitor C18 and the first end of the common-mode inductor L1, the second end of the interface P5 is connected with the signal ground, the third end of the interface P5 is connected with the first end of the fuse F1, the second end of the fuse F1 is connected with the second end of the capacitor C18 and the fourth end of the common-mode inductor L1,
the second end of the common-mode inductor L1 is connected with the first end of a capacitor C15 and the first end of a resistor R7, outputs +24V voltage, is connected with the positive power input end +vin of the double-output DC-DC converter M1 and the common end of a switch S4, the normal open end of the switch S4 is connected with the positive electrode of a diode D1, the negative electrode of the diode D1 is connected with the first end of an interface P3, and the second end of the interface P3 is connected with power ground;
the second end of the capacitor C15 and the first end of the capacitor C19 are connected with the signal ground SGND, the second end of the capacitor C19 is connected with the third end of the common mode inductor L1, the second end of the resistor R7, the first end of the resistor R10 and the third end of the relay K2,
the second end of the resistor R10 is connected with the negative end-Vin of the power input of the DC-DC converter M1 and the first end of the relay K2, the second end of the relay K2 is connected with the positive electrode of the diode D5 and the collector electrode of the triode Q2, the fourth end of the relay K2 and the negative electrode of the diode D5 are connected with the +12V power supply,
the base electrode of the triode Q2 is connected with the first end of a resistor R11 and the first end of a resistor R12, the second end of the resistor R11 and the positive electrode of a polar capacitor E1 are connected with a +12V power supply, the negative electrode of the polar capacitor E1 is connected with a circuit ground GND, and the second end of the resistor R12 and the emitter electrode of the triode Q2 are connected with the circuit ground GND;
the positive power output end +Vout of the DC-DC converter M1 is connected with the first end of the capacitor C14, the positive electrode of the polar capacitor C16, the first end of the resistor R8, the first end of the capacitor C17 and the common end of the switch S5, and the positive power output end +Vout of the DC-DC converter M1 outputs +12V power;
the negative end-Vout of the power supply output of the DC-DC converter M1, the second end of the capacitor C14, the negative electrode of the polar capacitor C16, the second end of the resistor R8 and the second end of the capacitor C17 are connected with the analog ground AGND; the constant-open end of the switch S5 is connected to the positive electrode of the diode D3, the negative electrode of the diode D3 is connected to the first end of the interface P4, and the second end of the interface P4 is connected to the circuit ground GND.
The interface P5 is connected with the engine power supply system, and converts the 24V voltage obtained by the engine power supply system into stable 12V voltage and 24V voltage through the power supply conversion module, wherein the 12V voltage obtained by the voltage reduction supplies power for the control system of the engine.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. The passive black start working system of the engine comprises the engine and an energy storage starting device connected with the engine, and is characterized by further comprising a power failure control unit, an engine power supply system and an engine control system which are arranged on the engine,
the power output end of the power-off control unit is connected with the power input end of the engine control system, and the starting control end of the engine control system is connected with the starting control end of the energy storage starting device;
the power output end of the engine power supply system is connected with the power input end of the power failure control unit.
2. The passive black start operating system of claim 1, wherein the power loss control unit comprises a hand-operated power generation device, an electric energy storage module and a power conversion module, and further comprises a power input port and a power output port;
the power output end of the hand-operated power generation device is connected with the power input end of the electric energy storage module, and the power output end of the electric energy storage module is connected with the power output port;
the power input port is connected with the power input end of the power conversion module, and the power output end of the power conversion module is connected with the power output port.
3. The engine passive black start operating system of claim 1, wherein the engine category comprises: diesel engine, gasoline engine, natural gas engine, biogas engine.
4. The passive black start operating system of claim 1, wherein the stored energy starting device comprises: spring energy storage starting device, hydraulic energy storage starting device or pneumatic energy storage starting device.
5. The engine passive black start operating system of claim 1, wherein the engine power supply system comprises: switching power supplies, dc generators, and ac generators.
6. The passive black start working method of the engine is characterized by comprising the following steps of:
s1, the voltage of an electric energy storage module is increased to the working voltage through a hand-operated power generation device of a power-off control unit, and an engine controller works normally after the working voltage is reached;
s2, the engine control system sends out an instruction to start an accelerator, and releases the energy storage starting device to drive the engine flywheel to rotate so as to enable the engine to start normally;
and S3, after the engine is started successfully, the engine starts to work by the self-provided power supply system, the power supply system inputs electric energy into a power supply conversion module of the power failure control unit, and the electric energy is supplied to the engine control system after voltage regulation and rectification.
7. The passive black start operation method of claim 6, further comprising step S4, wherein after the engine is stopped, the power-off control unit continues to delay providing the power for operating the engine control system, so as to query and save the operating parameters of the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310155876.2A CN116146394A (en) | 2023-02-23 | 2023-02-23 | Passive black start working system of engine and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310155876.2A CN116146394A (en) | 2023-02-23 | 2023-02-23 | Passive black start working system of engine and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116146394A true CN116146394A (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310155876.2A Pending CN116146394A (en) | 2023-02-23 | 2023-02-23 | Passive black start working system of engine and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116146394A (en) |
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2023
- 2023-02-23 CN CN202310155876.2A patent/CN116146394A/en active Pending
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