CN114256816A - Power distribution management system for after-sale mobile service vehicle and operation method thereof - Google Patents
Power distribution management system for after-sale mobile service vehicle and operation method thereof Download PDFInfo
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- CN114256816A CN114256816A CN202111596092.0A CN202111596092A CN114256816A CN 114256816 A CN114256816 A CN 114256816A CN 202111596092 A CN202111596092 A CN 202111596092A CN 114256816 A CN114256816 A CN 114256816A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/08—Arrangements for controlling the speed or torque of a single motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/20—Arrangements for starting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/24—Arrangements for stopping
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
A power distribution management system for an after-sales mobile service vehicle comprises a breaker Q1, a voltage switching control box U1, an inverter U2, a 380V socket U3, an air compressor M1, an electric drum U4, a generator G1, a pressure switch control box U5, a starter M2, a starting relay K1, an intermediate relay K2, a start-stop switch panel U8, an oil breaker U7 and a storage battery G2, wherein a starting switch S1 and a stop switch S2 are arranged on the start-stop switch panel U8, the system is started and stopped by operating the starting switch S1 and the stop switch S2, 220V or 380V power output is selected at a pressure switching control box U1 after starting, and the air compressor M1 is controlled to start and stop according to the pressure switch control box U5 when 380V power is output. The design realizes high integration of the generator and the air compressor control system and has an energy-saving effect.
Description
Technical Field
The invention belongs to the technical field of power supply distribution of power supply vehicles, and particularly relates to a power supply distribution management system for an after-sale mobile service vehicle and an operation method thereof, which are suitable for improving the system integration degree and saving energy and reducing emission.
Background
The control system mutual independence of engine and air compressor machine on the current after-sale mobile service car, control flow is loaded down with trivial details, the operating efficiency is low, does not possess output voltage display function moreover, and the easy maloperation of staff is rather than knowing by oneself, and in addition, the air compressor machine system receives the electric current impact easily when starting, stopping, causes the threat to whole circuit safety, and in addition, generator low pressure output can not independently be adjusted, causes the battery to put and overcharge easily, shortens battery life.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a power distribution management system for an after-sales mobile service vehicle and an operation method thereof, wherein the power distribution management system has high integration degree, simple control flow, high efficiency and energy conservation.
In order to achieve the above purpose, the invention provides the following technical scheme:
a power supply distribution management system for an after-sales mobile service vehicle comprises a high-voltage control module and a low-voltage control module, wherein the high-voltage control module comprises a circuit breaker Q1, a voltage switching control box U1, an inverter U2, a 380V socket U3, an air compressor M1 and an electric drum U4, the low-voltage control module comprises a generator G1, a pressure switch control box U5, a starter M2, a starting relay K1, an intermediate relay K2, a start-stop switch panel U8, an oil breaker U7 and a storage battery G2, and a start switch S1 and a stop switch S2 are arranged on the start-stop switch panel U8;
a 13 end of the starting switch S1 is connected with a 13 pin of a starting relay K1 and a 13 pin of an intermediate relay K2, a 14 end of the starting switch S1 is connected with a B2 end of the intermediate relay K2, a 14 pin of the intermediate relay K2 is connected with a B2 end of a starting relay K1, B1 ends and 14 pins of the starting relay K1 are respectively connected with a1 end and a2 end of a starter M2, a1 end of the starter M2 is connected with a1 end of a generator G1, a 14 end of the stopping switch S2 is connected with a2 end of an oil breaker U7, a1 end of the oil breaker U7 is connected with one end of a storage battery G2, a 13 pin of the starting relay K1, a 13 pin of the intermediate relay K2 and a 13 end of the starting switch S1, and the other end of the storage battery G2, a 13 end of the stopping switch S2, a B2 end of the intermediate relay K2 and a B363 end of the generator G2 are all grounded;
the output end of the generator G1 is connected with the input end of a voltage switching control box U1 through a circuit breaker Q1, the output end of the voltage switching control box U1 is connected with an inverter U2, a 380V socket U3 and an electric drum U4, the output end of the inverter U2 is connected with an air compressor M1, and a pressure switch control box U5 is arranged at an exhaust loop of the air compressor M1 and is connected with an inverter U2.
The management system further comprises a charging regulator U6, a pin 1 of the charging regulator U6 is connected with a pin 2 of the generator G1, a pin 2 of the charging regulator U6 is connected with one end of the storage battery G2, a pin 1 of the oil breaker U7, a pin 13 of the starting relay K1, a pin 13 of the intermediate relay K2 and a pin 13 of the starting switch S1, and the charging regulator U6 is used for regulating the low-voltage power output of the generator G1 according to the voltage of the storage battery G2.
The management system also comprises a voltage indicator V1 connected with the voltage switching control box U1, and the voltage indicator V1 is used for displaying the current output voltage value of the voltage switching control box U1.
The management system further comprises a work lamp switch S3 and a work lamp H1, wherein a pin 13 of the work lamp switch S3 is connected with a pin 2 of a charging regulator U6, one end of a storage battery G2, a terminal 1 of an oil breaker U7, a pin 13 of a starting relay K1, a pin 13 of an intermediate relay K2 and a terminal 13 of a starting switch S1, and a pin 14 of the work lamp switch S3 is connected with a terminal B1 of a starting relay K1, a terminal 1 of a starter M2 and a terminal 1 of a generator G1 through the work lamp H1.
An operating method for an after-market mobile service cart power distribution management system, the operating method comprising a system start-up and a system shut-down, the system start-up comprising the following steps in sequence:
step A1, on the premise that a stop switch S2 and a breaker Q1 are disconnected, a starting switch S1 is closed to drive a starting relay K1 and an intermediate relay K2 to be closed, and then a storage battery G2 supplies power to a starter M2;
step A2, the starter M2 drives a generator G1 to start, a breaker Q1 is closed, the generator G1 outputs a high-voltage power supply to a voltage switching control box U1, the system is started, and then the voltage switching control box U1 selects to output a 220V power supply or a 380V power supply;
step A3, when the 220V power supply is selected to be output, the voltage switching control box U1 outputs the 220V power supply to the electric drum U4, when the 380V power supply is selected to be output, the voltage switching control box U1 outputs the 380V power supply to the inverter U2 and the 380V socket U3, the inverter U2 outputs the high-voltage power supply to the air compressor M1, and the on-off of the air compressor M1 is controlled according to the on-off of the pressure switch control box U5;
the system shutdown specifically comprises: and controlling the starting switch S1 to be opened and the stopping switch S2 to be closed, operating the oil breaker U7 to drive the generator G1 to stop, stopping the system, and then opening the breaker Q1.
In step a3, the step of controlling the on/off of the air compressor M1 by the inverter U2 according to the on/off of the pressure switch control box U5 is specifically:
when the pressure switch control box U5 detects that the pressure of air compressor machine M1 exhaust circuit department is 1.25Mpa and above disconnection, inverter U2 stops output high voltage power supply to air compressor machine M1, air compressor machine M1 stop work, when pressure switch control box U5 detects that the pressure of air compressor machine M1 exhaust circuit department is less than 0.8Mpa automatic closing, inverter U2 outputs high voltage power supply to air compressor machine M1, air compressor machine M1 begins work.
Compared with the prior art, the invention has the beneficial effects that:
1. on one hand, the power distribution management system for the after-sales mobile service vehicle can realize the starting and stopping operations of the system by operating the starting switch S1 and the stopping switch S2 which are arranged on the starting and stopping switch panel U8, is simple to operate and high in efficiency, after the system is started, 220V or 380V power output is selected at the pressure switching control box U1 according to the power demand, when the 380V power output is selected, the inverter U2 outputs a high-voltage power to the air compressor M1 and controls the starting and stopping of the air compressor M1 according to the opening and closing of the pressure switch control box U5, so that the high integration of a generator control system and an air compressor control system is realized, the energy-saving purpose is achieved, and on the other hand, the system is protected by the starting relay K1, the intermediate relay K2 and the oil breaker U7 when the system is started and stopped, the impact of the circuit on the circuit is avoided, and the circuit safety is protected. Therefore, the invention has the advantages of high integration degree, simple operation, high efficiency, energy-saving effect, good circuit safety and capability of avoiding the impact of current on a circuit when the motor is started and stopped.
2. The power distribution management system for the after-sales mobile service vehicle further comprises a charging regulator U6, and the charging regulator U6 is used for regulating the low-voltage power output of the generator G1 according to the voltage of the storage battery G2, so that the storage battery G2 is prevented from being overcharged and overdischarged, and the service life of the battery is prolonged. Therefore, the invention can prolong the service life of the battery.
3. The power distribution management system for the after-sales mobile service vehicle further comprises a voltage indicator V1 connected with the voltage switching control box U1 and used for displaying the current output voltage value of the voltage switching control box U1, providing reference for checking the current equipment output voltage state and preventing misoperation of personnel. Therefore, the invention can prevent misoperation of personnel.
4. The power distribution management system for the after-sales mobile service vehicle further comprises a work light switch S3 and a work light H1, and the work light switch S3 and the work light H1 are used for lighting during system checking. Therefore, the invention can provide illumination for system inspection.
Drawings
Fig. 1 is a schematic diagram illustrating the principles of the present invention.
Detailed Description
The present invention will be further described with reference to the following embodiments.
Referring to fig. 1, a power distribution management system for an after-sales mobile service vehicle comprises a high-voltage control module and a low-voltage control module, wherein the high-voltage control module comprises a circuit breaker Q1, a voltage switching control box U1, an inverter U2, a 380V socket U3, an air compressor M1 and an electric drum U4, the low-voltage control module comprises a generator G1, a pressure switch control box U5, a starter M2, a starting relay K1, an intermediate relay K2, a start-stop switch panel U8, an oil breaker U7 and a storage battery G2, and a start switch S1 and a stop switch S2 are arranged on the start-stop switch panel U8;
a 13 end of the starting switch S1 is connected with a 13 pin of a starting relay K1 and a 13 pin of an intermediate relay K2, a 14 end of the starting switch S1 is connected with a B2 end of the intermediate relay K2, a 14 pin of the intermediate relay K2 is connected with a B2 end of a starting relay K1, B1 ends and 14 pins of the starting relay K1 are respectively connected with a1 end and a2 end of a starter M2, a1 end of the starter M2 is connected with a1 end of a generator G1, a 14 end of the stopping switch S2 is connected with a2 end of an oil breaker U7, a1 end of the oil breaker U7 is connected with one end of a storage battery G2, a 13 pin of the starting relay K1, a 13 pin of the intermediate relay K2 and a 13 end of the starting switch S1, and the other end of the storage battery G2, a 13 end of the stopping switch S2, a B2 end of the intermediate relay K2 and a B363 end of the generator G2 are all grounded;
the output end of the generator G1 is connected with the input end of a voltage switching control box U1 through a circuit breaker Q1, the output end of the voltage switching control box U1 is connected with an inverter U2, a 380V socket U3 and an electric drum U4, the output end of the inverter U2 is connected with an air compressor M1, and a pressure switch control box U5 is arranged at an exhaust loop of the air compressor M1 and is connected with an inverter U2.
The management system further comprises a charging regulator U6, a pin 1 of the charging regulator U6 is connected with a pin 2 of the generator G1, a pin 2 of the charging regulator U6 is connected with one end of the storage battery G2, a pin 1 of the oil breaker U7, a pin 13 of the starting relay K1, a pin 13 of the intermediate relay K2 and a pin 13 of the starting switch S1, and the charging regulator U6 is used for regulating the low-voltage power output of the generator G1 according to the voltage of the storage battery G2.
The management system also comprises a voltage indicator V1 connected with the voltage switching control box U1, and the voltage indicator V1 is used for displaying the current output voltage value of the voltage switching control box U1.
The management system further comprises a work lamp switch S3 and a work lamp H1, wherein a pin 13 of the work lamp switch S3 is connected with a pin 2 of a charging regulator U6, one end of a storage battery G2, a terminal 1 of an oil breaker U7, a pin 13 of a starting relay K1, a pin 13 of an intermediate relay K2 and a terminal 13 of a starting switch S1, and a pin 14 of the work lamp switch S3 is connected with a terminal B1 of a starting relay K1, a terminal 1 of a starter M2 and a terminal 1 of a generator G1 through the work lamp H1.
An operating method for an after-market mobile service cart power distribution management system, the operating method comprising a system start-up and a system shut-down, the system start-up comprising the following steps in sequence:
step A1, on the premise that a stop switch S2 and a breaker Q1 are disconnected, a starting switch S1 is closed to drive a starting relay K1 and an intermediate relay K2 to be closed, and then a storage battery G2 supplies power to a starter M2;
step A2, the starter M2 drives a generator G1 to start, a breaker Q1 is closed, the generator G1 outputs a high-voltage power supply to a voltage switching control box U1, the system is started, and then the voltage switching control box U1 selects to output a 220V power supply or a 380V power supply;
step A3, when the 220V power supply is selected to be output, the voltage switching control box U1 outputs the 220V power supply to the electric drum U4, when the 380V power supply is selected to be output, the voltage switching control box U1 outputs the 380V power supply to the inverter U2 and the 380V socket U3, the inverter U2 outputs the high-voltage power supply to the air compressor M1, and the on-off of the air compressor M1 is controlled according to the on-off of the pressure switch control box U5;
the system shutdown specifically comprises: and controlling the starting switch S1 to be opened and the stopping switch S2 to be closed, operating the oil breaker U7 to drive the generator G1 to stop, stopping the system, and then opening the breaker Q1.
In step a3, the step of controlling the on/off of the air compressor M1 by the inverter U2 according to the on/off of the pressure switch control box U5 is specifically:
when the pressure switch control box U5 detects that the pressure of air compressor machine M1 exhaust circuit department is 1.25Mpa and above disconnection, inverter U2 stops output high voltage power supply to air compressor machine M1, air compressor machine M1 stop work, when pressure switch control box U5 detects that the pressure of air compressor machine M1 exhaust circuit department is less than 0.8Mpa automatic closing, inverter U2 outputs high voltage power supply to air compressor machine M1, air compressor machine M1 begins work.
The principle of the invention is illustrated as follows:
the power distribution management system for the after-sales mobile service vehicle integrates equipment operation and state display, has high system integration level, simple operation and high reliability, and comprises the following starting steps:
the method comprises the steps that a starting switch S1 is closed on the premise that a stop switch S2 and a breaker Q1 are disconnected, an intermediate relay K2 is driven to be closed, a K1 relay is driven to be closed after the intermediate relay K2 is closed, a storage battery G2 supplies power to a starter M2, the starter M2 drives a generator G1 to be started, a high-voltage power supply is continuously provided for the whole system, at the moment, 220V or 380V power supply output can be selected through a voltage switching control box U1 according to power utilization requirements, and meanwhile, the current output voltage of the voltage switching control box U1 is displayed through a voltage indicator V1;
after the 380V power output is selected, the inverter U2 detects the state of a pressure switch control box U5 installed at the exhaust loop of the air compressor M1, if the pressure switch control box U5 is closed, the 380V power is output to supply power to the air compressor M1, the air compressor M1 works to provide an air source for an air path, if the pressure switch control box U5 is disconnected, the 380V power is stopped to be output to the air compressor M1, the air compressor M1 stops working, the reciprocating circulation is carried out, and the purpose of energy saving is achieved. The pressure switch control box U5 is opened when the pressure at the exhaust loop of the air compressor M1 is 1.25MPa or more, and the pressure switch control box U5 is automatically closed when the pressure at the exhaust loop of the air compressor M1 is lower than 0.8 MPa.
The system is shut down by the following steps: a starting switch S1 in a control panel U8 of the start-stop switch is controlled to be opened, a stop switch S2 is controlled to be closed, the stop switch S2 outputs a control signal to control an oil breaker U7 to work, oil supply to a generator G1 is stopped, the generator G1 stops, the system stops working, and then a breaker Q1 is opened. The system is provided with a protection strategy for preferentially responding to the stop switch S2, and in an emergency, if the start switch S1 fails to be opened, the system can still be normally stopped by closing the stop switch S2.
Example 1:
referring to fig. 1, a power distribution management system for an after-sales mobile service vehicle comprises a high-voltage control module and a low-voltage control module, wherein the high-voltage control module comprises a breaker Q1, a voltage switching control box U1, an inverter U2, a 380V socket U3, an air compressor M1 and an electric drum U4, the low-voltage control module comprises a generator G1, a pressure switch control box U5, a starter M2, a starting relay K1, an intermediate relay K2, a start-stop switch panel U8, an oil breaker U7 and a storage battery G2, a starting switch S1 and a stopping switch S2 are arranged on the start-stop switch panel U8, a 13 terminal of the starting switch S1 is connected with a 13 pin of a starting relay K1 and a 13 pin of an intermediate relay K2, a 14 terminal of the starting switch S1 is connected with a B2 terminal of the intermediate relay K2, a 14 pin of the intermediate relay K2 is connected with a B637 terminal of the starting relay K1, and a B1 terminal of the starting relay K1 is connected with a B2 terminal of the intermediate relay K1, The 14 pins are respectively connected with the 1 end and the 2 end of the starter M2, the 1 end of the starter M2 is connected with the 1 end of the generator G1, the 14 end of the stop switch S2 is connected with the 2 end of an oil breaker U7, the 1 end of the oil breaker U7 is connected with one end of a storage battery G2, a 13 pin of a starting relay K1, a 13 pin of an intermediate relay K2 and a 13 end of a starting switch S1, the other end of the storage battery G2, the end 13 of the stop switch S2, the end B1 of the intermediate relay K2 and the end 3 of the generator G1 are all grounded, the output of the generator G1 is connected to the input of a voltage switching control box U1 through a breaker Q1, the output end of the voltage switching control box U1 is connected with an inverter U2, a 380V socket U3 and an electric drum U4, the output end of the inverter U2 is connected with an air compressor M1, and the pressure switch control box U5 is arranged at an exhaust loop of the air compressor M1 and is connected with the inverter U2;
the operation method for the power distribution management system of the after-sales mobile service vehicle comprises system starting and system stopping, wherein the system starting is specifically carried out according to the following steps:
step A1, on the premise that a stop switch S2 and a breaker Q1 are disconnected, a starting switch S1 is closed to drive a starting relay K1 and an intermediate relay K2 to be closed, and then a storage battery G2 supplies power to a starter M2;
step A2, the starter M2 drives a generator G1 to start, a breaker Q1 is closed, the generator G1 outputs a high-voltage power supply to a voltage switching control box U1, the system is started, and then the voltage switching control box U1 selects to output a 220V power supply or a 380V power supply;
step A3, when the 220V power supply is selected to be output, the voltage switching control box U1 outputs the 220V power supply to the electric drum U4, when the 380V power supply is selected to be output, the voltage switching control box U1 outputs the 380V power supply to the inverter U2 and the 380V socket U3, the inverter U2 outputs the high-voltage power supply to the air compressor M1, and controls the on-off of the air compressor M1 according to the on-off of the pressure switch control box U5, wherein the specific steps of the inverter U2 controlling the on-off of the air compressor M1 according to the on-off of the pressure switch control box U5 are as follows:
when the pressure switch control box U5 detects that the pressure at the exhaust loop of the air compressor M1 is 1.25Mpa or more, the inverter U2 stops outputting the high-voltage power supply to the air compressor M1, the air compressor M1 stops working, when the pressure switch control box U5 detects that the pressure at the exhaust loop of the air compressor M1 is lower than 0.8Mpa, the inverter U2 outputs the high-voltage power supply to the air compressor M1, and the air compressor M1 starts working;
the system shutdown specifically comprises: and controlling the starting switch S1 to be opened and the stopping switch S2 to be closed, operating the oil breaker U7 to drive the generator G1 to stop, stopping the system, and then opening the breaker Q1.
Example 2:
the difference from example 1 is that:
the management system also comprises a voltage indicator V1 connected with the voltage switching control box U1, and the voltage indicator V1 is used for displaying the current output voltage value of the voltage switching control box U1.
Example 3:
the difference from example 1 is that:
the management system further comprises a charging regulator U6, a pin 1 of the charging regulator U6 is connected with a pin 2 of the generator G1, a pin 2 of the charging regulator U6 is connected with one end of the storage battery G2, a pin 1 of the oil breaker U7, a pin 13 of the starting relay K1, a pin 13 of the intermediate relay K2 and a pin 13 of the starting switch S1, and the charging regulator U6 is used for regulating the low-voltage power output of the generator G1 according to the voltage of the storage battery G2.
Example 4:
the difference from example 3 is that:
the management system further comprises a work lamp switch S3 and a work lamp H1, wherein a pin 13 of the work lamp switch S3 is connected with a pin 2 of a charging regulator U6, one end of a storage battery G2, a pin 1 of an oil breaker U7, a pin 13 of a starting relay K1, a pin 13 of an intermediate relay K2 and a pin 13 of a starting switch S1, and a pin 14 of the work lamp switch S3 is connected with a pin B1 of a starting relay K1, a pin 1 of a starter M2 and a pin 1 of a generator G1 through the work lamp H1.
Claims (6)
1. A power distribution management system for an after-sales mobile service vehicle is characterized in that:
the management system comprises a high-voltage control module and a low-voltage control module, wherein the high-voltage control module comprises a circuit breaker Q1, a voltage switching control box U1, an inverter U2, a 380V socket U3, an air compressor M1 and an electric drum U4, the low-voltage control module comprises a generator G1, a pressure switch control box U5, a starter M2, a starting relay K1, an intermediate relay K2, a start-stop switch panel U8, an oil breaker U7 and a storage battery G2, and a starting switch S1 and a stop switch S2 are arranged on the start-stop switch panel U8;
a 13 end of the starting switch S1 is connected with a 13 pin of a starting relay K1 and a 13 pin of an intermediate relay K2, a 14 end of the starting switch S1 is connected with a B2 end of the intermediate relay K2, a 14 pin of the intermediate relay K2 is connected with a B2 end of a starting relay K1, B1 ends and 14 pins of the starting relay K1 are respectively connected with a1 end and a2 end of a starter M2, a1 end of the starter M2 is connected with a1 end of a generator G1, a 14 end of the stopping switch S2 is connected with a2 end of an oil breaker U7, a1 end of the oil breaker U7 is connected with one end of a storage battery G2, a 13 pin of the starting relay K1, a 13 pin of the intermediate relay K2 and a 13 end of the starting switch S1, and the other end of the storage battery G2, a 13 end of the stopping switch S2, a B2 end of the intermediate relay K2 and a B363 end of the generator G2 are all grounded;
the output end of the generator G1 is connected with the input end of a voltage switching control box U1 through a circuit breaker Q1, the output end of the voltage switching control box U1 is connected with an inverter U2, a 380V socket U3 and an electric drum U4, the output end of the inverter U2 is connected with an air compressor M1, and a pressure switch control box U5 is arranged at an exhaust loop of the air compressor M1 and is connected with an inverter U2.
2. The power distribution management system for the after-market mobile service vehicle as claimed in claim 1, wherein:
the management system further comprises a charging regulator U6, a pin 1 of the charging regulator U6 is connected with a pin 2 of the generator G1, a pin 2 of the charging regulator U6 is connected with one end of the storage battery G2, a pin 1 of the oil breaker U7, a pin 13 of the starting relay K1, a pin 13 of the intermediate relay K2 and a pin 13 of the starting switch S1, and the charging regulator U6 is used for regulating the low-voltage power output of the generator G1 according to the voltage of the storage battery G2.
3. The power distribution management system for the after-market mobile service vehicle according to claim 1 or 2, wherein:
the management system also comprises a voltage indicator V1 connected with the voltage switching control box U1, and the voltage indicator V1 is used for displaying the current output voltage value of the voltage switching control box U1.
4. The power distribution management system for the after-market mobile service vehicle as claimed in claim 2, wherein:
the management system further comprises a work lamp switch S3 and a work lamp H1, wherein a pin 13 of the work lamp switch S3 is connected with a pin 2 of a charging regulator U6, one end of a storage battery G2, a terminal 1 of an oil breaker U7, a pin 13 of a starting relay K1, a pin 13 of an intermediate relay K2 and a terminal 13 of a starting switch S1, and a pin 14 of the work lamp switch S3 is connected with a terminal B1 of a starting relay K1, a terminal 1 of a starter M2 and a terminal 1 of a generator G1 through the work lamp H1.
5. A method of operation for an after-market mobile service cart power distribution management system, as defined in claim 1, wherein:
the operation method comprises system startup and system shutdown, and the system startup sequentially comprises the following steps:
step A1, on the premise that a stop switch S2 and a breaker Q1 are disconnected, a starting switch S1 is closed to drive a starting relay K1 and an intermediate relay K2 to be closed, and then a storage battery G2 supplies power to a starter M2;
step A2, the starter M2 drives a generator G1 to start, a breaker Q1 is closed, the generator G1 outputs a high-voltage power supply to a voltage switching control box U1, the system is started, and then the voltage switching control box U1 selects to output a 220V power supply or a 380V power supply;
step A3, when the 220V power supply is selected to be output, the voltage switching control box U1 outputs the 220V power supply to the electric drum U4, when the 380V power supply is selected to be output, the voltage switching control box U1 outputs the 380V power supply to the inverter U2 and the 380V socket U3, the inverter U2 outputs the high-voltage power supply to the air compressor M1, and the on-off of the air compressor M1 is controlled according to the on-off of the pressure switch control box U5;
the system shutdown specifically comprises: and controlling the starting switch S1 to be opened and the stopping switch S2 to be closed, operating the oil breaker U7 to drive the generator G1 to stop, stopping the system, and then opening the breaker Q1.
6. The method of claim 5, wherein the method further comprises the step of:
in step a3, the step of controlling the on/off of the air compressor M1 by the inverter U2 according to the on/off of the pressure switch control box U5 is specifically:
when the pressure switch control box U5 detects that the pressure of air compressor machine M1 exhaust circuit department is 1.25Mpa and above disconnection, inverter U2 stops output high voltage power supply to air compressor machine M1, air compressor machine M1 stop work, when pressure switch control box U5 detects that the pressure of air compressor machine M1 exhaust circuit department is less than 0.8Mpa automatic closing, inverter U2 outputs high voltage power supply to air compressor machine M1, air compressor machine M1 begins work.
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