CN115962047A - High-power-density micro power generation vehicle and power generation control method - Google Patents

Abstract

The invention discloses a high-power-density miniature generator car and a power generation control method. The invention simultaneously designs the control system, adjusts the running speed of the engine according to the load requirement, improves the power of the small generator set, and controls the output voltage to be in the conventional power frequency voltage and frequency state through the voltage stabilizing controller, thereby enabling the light carriage to leisurely arrange a micro power generation system, fully utilizing the limited space, reducing the volume and the mass of the power generation system, improving the power density of the power generation system, and realizing the light weight, small volume, light weight and large power generation of the power generation vehicle.

Description

High-power-density micro power generation vehicle and power generation control method

Technical Field

The invention relates to the technical field of emergency protection power supply, in particular to a high-power-density miniature power generation vehicle and a power generation control method.

Background

Along with the progress of science and technology, the demand of electricity customers on electric power guarantee is increasingly strong, power cars play a key role in electric power guarantees such as emergency electricity utilization, outage rush repair and the like, roadways of old cities and towns are narrow, conventional power cars are not convenient to pass, power distribution rooms of buildings and hotels are generally placed in basements, and the conventional power cars cannot enter the basements due to the fact that the height limit of the basements is not more than 2.2 meters, and long cables need to be laid to reach areas of electricity conservation and rush repair. The system brings great inconvenience to the electric power guarantee work of important activity places such as old city areas, buildings and the like, and causes certain economic loss and influence.

In order to solve the problems, the pick-up power supply vehicle with low height and small and flexible size of the whole vehicle has higher and higher requirements. However, the current pick-up truck has the following problems:

1. in order to control the quality of the whole vehicle, the conventional pickup truck power supply vehicle has incomplete equipment, only a generator set is loaded in a carriage, and an auxiliary vehicle loading oil tank, a cable and the like are required to be arranged; or a base oil tank is used, the height of the whole automobile is more than 2 m, and the whole automobile can not enter a basement for operation;

2. because the conventional generator set is large in size and heavy in weight, the existing pickup power supply vehicle can only be selectively provided with a small-power generator set in order to meet the requirements of the weight and the length of a blue brand, the power is generally 18-30kW, and the use of important loads cannot be met;

3. because the length of the whole vehicle is controlled, the space of a carriage is narrow, the existing pickup power vehicle has no special air inlet/exhaust channel, and the direct door opening operation is used for ventilating and radiating the generator set, thereby bringing noise pollution to the environment;

4. the height in the carriage is low, and the space is narrow and small, for convenient assembly, maintenance, the carriage uses the rolling slats door more, and not only the outward appearance is coarse, and whole car leakproofness is also relatively poor.

Disclosure of Invention

The invention aims to provide a high-power-density micro generator car and a power generation control method, which can improve the power generation power density of a power generation system and reduce the volume and the weight of the power generation system, thereby fully utilizing the limited space and meeting the requirements of normal power generation, small volume and light weight of the whole car.

In order to achieve the purpose, the invention discloses a high-power-density micro generator car which comprises a light carriage and a generator set, wherein the generator set is arranged in the light carriage and comprises an engine, a generator, a voltage stabilizing controller, a rectifying device, an inverter and a generator set control cabinet; the rectifying device is electrically connected with the generator, the inverter is electrically connected with the rectifying device, and the voltage stabilizing controller is electrically connected with the generator set control cabinet.

Further, the engine is an automobile engine, and the generator is a light permanent magnet alternating current generator.

Further, the generator set further comprises an engine controller, the engine controller is electrically connected with the voltage stabilizing controller, a generator set controller and a collecting terminal are arranged in the generator set control cabinet, and the voltage stabilizing controller is electrically connected with the generator set controller.

Furthermore, the light carriage is split, and the upper carriage is detachably connected with the lower carriage.

Further, the air exhaust system comprises an air inlet shutter, an air exhaust shutter and a radiator, wherein the air inlet shutter is installed at the rear part of the upper carriage, the air exhaust shutter is installed at the front end of the top of the upper carriage, the front end of the front top of the upper carriage is arranged in an oblique angle, the air exhaust shutter is installed at the oblique angle, the radiator is installed at the lower part of the air exhaust shutter, and a fuel tank is arranged below the radiator.

Furthermore, a plurality of access doors are installed on the upper carriage.

Furthermore, the engine is connected with a smoke exhaust and noise elimination device, the smoke exhaust and noise elimination device is fixed on the lower carriage, and the smoke exhaust port is positioned at the oblique angle of the upper carriage.

Further, the light carriage chassis is a pickup chassis.

On the other hand, the invention also discloses a power generation control method, which adopts the high-power-density power generation car to generate power and comprises the following steps:

(1) When the daily electricity conservation work is carried out, the generator set controller is electrified, the air exhaust shutter and the air inlet shutter are electrified to be controlled to be opened, and the ventilation and heat dissipation preparation work is well carried out;

(2) The generator set controller sends a starting signal to the engine controller, and the engine is started through the engine controller;

(3) After the engine is started, the generator is driven to operate through the connecting shaft to generate alternating current;

(4) The generator set controller sends a detected load signal to the voltage stabilization controller, the voltage stabilization controller compares the load information with a target load and sends an instruction for adjusting the rotating speed of the engine to the engine controller, the engine controller adjusts the rotating speed of the engine, the engine adjusts the rotating speed of the generator through a connecting shaft, and then the current and the frequency of alternating current sent by the generator are adjusted;

(5) The voltage stabilizing controller controls the rectifying device to convert alternating current generated by the generator into direct current; meanwhile, the voltage stabilization controller converts the direct current output by the rectifying device into target voltage and frequency through the inverter according to the target voltage and frequency, and then the system finally outputs stable voltage;

(6) The engine controller collects the temperature of cooling liquid in the engine and feeds the temperature back to the generator set controller, and when the temperature of the cooling liquid reaches high temperature, the generator set controller sends a starting command to the radiator and starts a radiator fan; then the exhaust system starts a heat dissipation mode, fresh air is introduced from the air inlet shutter and flows through the cooling light carriage to take away heat generated by the micro power generation system during operation, and the heat is forcibly exhausted by the radiator fan and flows out through the air exhaust shutter; when the temperature of the cooling liquid is reduced to low temperature, the generator set controller sends a closing command to the radiator, the radiator fan stops running, and the exhaust system stops working;

(7) After the power-conserving work is finished, the generator set controller sends a closing command to the engine controller, the engine controller closes the engine, and the power generation work of the system is stopped; meanwhile, a closing command is sent to the radiator, the air exhaust shutter and the air inlet shutter, the fan of the radiator, the air exhaust shutter and the air inlet shutter are closed, and the air exhaust system stops working.

Further, the real-time data acquisition method for power generation of the power generation car comprises the following steps:

an engine controller collects engine parameter information;

the voltage stabilizing controller acquires parameter information of the generator;

the information collected by the engine controller and the voltage stabilizing controller is respectively transmitted to the generator set controller;

the generator set controller simultaneously acquires parameter information of an air exhaust shutter, a radiator and an air inlet shutter;

the parameter information is integrated in the acquisition terminal and is displayed, recorded and managed through the mobile phone client and the PC terminal.

The invention has the beneficial effects that:

compared with the prior art, the invention has the following advantages:

(1) The power generation system adopts the high-rotating-speed light engine for the automobile and the permanent magnet alternating current generator, utilizes the high-speed rotation of the engine for the automobile, improves the power of the small generator set, simultaneously reduces the volume and the weight of the power generation system, improves the power density of the power generation system, and solves the problems of large volume and heavy mass of the vehicle-mounted generator set;

(2) The engine and the radiator are in a split type, are connected through a pipeline, the height of the radiator is raised, and the fuel tank is arranged at the lower part of the radiator, so that the whole vehicle is compactly arranged, and the configuration of a light power supply vehicle is improved; in the tail space of the generator set, reels and cables can be placed for emergency power conservation according to emergency requirements, and a water pump can also be placed for emergency drainage;

(3) The invention adopts the pickup chassis, the aluminum alloy oil tank and the aluminum alloy light carriage, the whole car has light weight, small appearance and low height, and is convenient to enter old cities with narrow roadways and power distribution rooms to protect power in important activity places such as buildings in basements and the like;

(4) The compartment is a split compartment, and the access doors are arranged at the periphery of the compartment, so that the access doors are convenient for operating, overhauling and observing equipment and systems outside the compartment; the upper carriage can be integrally disassembled, and parts such as a generator set, a radiator, an oil tank and the like can be conveniently fixed with the lower carriage on a production line before the upper carriage is assembled; meanwhile, during maintenance, the upper carriage is disassembled, so that large parts can be conveniently maintained;

(5) According to the invention, the air exhaust shutter is arranged at the top of the carriage, the air inlet shutter is arranged at the back door, and the air exhaust shutter and the carriage radiator form an air exhaust system, so that the power generation system can be effectively cooled and radiated during operation, door opening operation is not needed, and noise pollution to the operation environment is avoided;

(6) The power generation control method can ensure that the power generation car generates power stably and orderly, and the power generation output is stable.

(7) The control system of the invention performs integrated control on the engine controller, the voltage stabilizing controller and the exhaust system, is integrated at the acquisition terminal, and can perform remote online operation and monitoring on the power generation system through the background.

Drawings

FIG. 1 is a schematic view of the structural arrangement of the present invention;

FIG. 2 is a schematic view of the top view structural arrangement of the present invention in the no-upper-compartment state;

FIG. 3 is a schematic view of the light weight compartment of the present invention;

FIG. 4 is a schematic diagram of a split light weight compartment according to the present invention;

FIG. 5 is a layout of equipment within a power generation compartment of the present invention;

FIG. 6 is a block diagram of a power generation control system of the power generation vehicle of the present invention;

in the figure, 1-air exhaust shutter; 2-a radiator; 3-a fuel tank; 4-smoke discharging and silencing device; 5-an engine controller; 6-an engine; 7-a generator; 8-a voltage stabilizing controller; 9-a rectifying device; 10-an inverter device; 11-a generator set control cabinet; 12-air intake louver; 13-a genset controller; 14-a collection terminal; 15-light carriage; 15.1-getting on the carriage; 15.2-getting off the carriage; 15.3-auxiliary frame fixing combination; 16-chassis.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

The power generation system applies a light high-rotating-speed engine applied to an automobile to the power generation system, and the running speed of the power generation system in the working process is controlled according to the load requirement through the design of the control system.

As shown in fig. 1 and 2, the high-power-density micro power generation system comprises a light carriage and a generator set, wherein the generator set is installed in the light carriage, the generator set comprises an engine 6, a generator 7 and a generator set control cabinet 11, the engine 6 adopts a light high-speed engine, the generator 7 adopts a light alternating-current generator, and the light high-speed engine 6 and the light alternating-current generator 7 are coaxially connected. In the embodiment, the light high-speed engine 6 is an automobile engine, and the light alternator 7 is a light permanent magnet alternator, so that the generated power and density can be effectively improved, and the volume and weight of the power generation system can be reduced. The genset control cabinet 11 includes a genset controller 13 and an acquisition terminal 14. The generator set also comprises an engine controller 5, a voltage stabilizing controller 8, a rectifying device 9 and an inverter device 10, wherein the engine controller 5 is used for collecting engine parameters and feeding the engine parameters back to the voltage stabilizing controller 8 and a generator set control cabinet 11; the rectifying device 9 converts the three-phase alternating current generated by the generator into direct current to be output; the inverter device 10 inverts the dc power output from the rectifier device into ac power having a constant voltage and constant frequency, and fig. 6 is a control schematic diagram of the power generation system.

As shown in fig. 3, the light carriage 15 is a split carriage, an air exhaust shutter 1 is obliquely arranged on the top of the light carriage 15, and an air intake shutter 12 is arranged on a rear door; a radiator 2 is arranged at the lower part of the air exhaust shutter 1, and a fuel tank 3 is arranged at the lower part of the radiator 2. The generator set comprises an engine controller 5, an engine 6, a generator 7, a voltage stabilizing controller 8, a rectifying device 9, an inverter device 10 and a generator set control cabinet 11.

As shown in fig. 4, the light carriage 15 includes an upper carriage 15.1, a lower carriage 15.2, and an auxiliary frame connecting assembly 15.3, the upper carriage 15.1, the lower carriage 15.2, and the doors are made of aluminum alloy, and the upper carriage 15.1 can be integrally mounted on the lower carriage 15.2, or can be integrally removed; the upper carriage 15.1 comprises a plurality of doors for observation, operation and maintenance; the auxiliary frame connecting combination 15.3 is made of carbon steel, and the auxiliary frame connecting combination 15.3 is used for connecting the light carriage 15 and the chassis 16; the top of the upper carriage 15.1 is provided with an oblique angle and is provided with an air exhaust shutter 1; the rear door frame of the upper carriage 15.1 extends downwards, and when the upper carriage 15.1 and the lower carriage 15.2 are assembled, the bottom end of the rear door frame of the upper carriage 15.1 is tightly matched with the lower carriage 15.2; an air inlet shutter 12 is arranged on the rear door of the upper carriage 15.1; the oblique angle shape of the top of the upper carriage 15.1 is beneficial to placing the smoke exhaust cover of the engine 6 and simultaneously realizing the transition between the carriage 15 and the cab roof of the chassis 16.

The engine 6 is connected with a smoke exhaust silencer 4, the smoke exhaust silencer 4 is fixed on a lower carriage 15.2, a smoke exhaust port is positioned at an oblique angle of an upper carriage 15.1, and the extending height of the smoke exhaust port is lower than the top of the carriage 15;

the radiator 2 is in a strong air exhaust mode, and forms an air exhaust system of the micro power generation system together with the air exhaust shutter 1, the air inlet shutter 12 and the radiator 2, the air exhaust system introduces fresh air from the air inlet shutter 12, the fresh air flows through the cooling light carriage 15 to take away heat generated during the operation of the micro power generation system, and the heat is forcibly exhausted by the radiator 2 and flows out through the air exhaust shutter 1; the radiator 2 is connected with the engine 6 through a pipeline to cool the engine 6; the fuel tank 3 is made of aluminum alloy and is connected with the engine 6 through an oil way, and continuous fuel is provided for the work of the micro power generation system.

The micro power generation vehicle has the advantages that the vehicle power generation motor and the generator are improved, so that the volume is reduced, the power generation density is increased, and the space of a carriage is surplus; the engine and the radiator are separated from each other and are connected through a pipeline, the height of the radiator is raised, and a fuel tank is placed at the lower part of the radiator, so that the whole vehicle is compactly arranged, and the configuration of a light power supply vehicle is improved; generating set afterbody space according to emergent needs, can place reel and cable and carry out emergent guarantor's electricity, also can place the water pump for emergent drainage of waterlogging, fig. 5 is the equipment layout picture in the light-duty carriage of power-generating cars.

FIG. 6 is a block diagram of a power generation control system of the power generation vehicle, wherein the engine controller 5 is electrically connected with the voltage stabilization controller 8, and the engine controller 5 collects the rotating speed of the engine 6 and feeds the rotating speed back to the voltage stabilization controller 8; and receives the instruction of the pressure stabilizing controller 8 to adjust the rotating speed of the engine 6. The engine controller 5 is electrically connected with the generator set controller 13, and the engine controller 5 collects the running parameters of the engine 6 and feeds the running parameters back to the generator set controller 13. Meanwhile, receiving an instruction of a generator set controller 13, and controlling the starting and stopping of the operation of the power generation system; the voltage-stabilizing controller 8 is electrically connected with the generator set controller 13, and the voltage and the frequency finally output by the power generation system are fed back to the generator set controller 13 by the voltage-stabilizing controller 8. The generator set controller 13 is electrically connected with the air exhaust shutter 1, the radiator 2 and the air inlet shutter 12 respectively, and is used for controlling the opening and closing of an air exhaust system so as to adjust the heat balance of the micro power generation system and ensure the normal operation environment and heat dissipation of the power generation system. The generator set controller 13 is electrically connected with the acquisition terminal 14, and can perform remote online control and monitoring on the power generation system through a background.

On the other hand, the invention also discloses a power generation control method, which comprises the following steps:

(1) When the daily electricity conservation work is carried out, the generator set controller 13 is electrified, the air exhaust shutter 1 and the air inlet shutter 12 are electrified to be controlled to be opened, and the ventilation and heat dissipation preparation work is well carried out;

(2) The generator set controller 13 sends a starting signal to the engine controller 5, and the engine 6 is started through the engine controller 5;

(3) After the engine 6 is started, the generator 7 is driven to operate through the connecting shaft to generate alternating current, namely, the micro generator car starts a power generation mode;

(4) The generator set controller 13 sends a detected load signal to the voltage stabilizing controller 8, the voltage stabilizing controller 8 compares the load information with a target load and calculates, and sends an instruction for adjusting the rotating speed of the engine 6 to the engine controller 5, the engine controller 5 adjusts the rotating speed of the engine 6, the engine 6 adjusts the rotating speed of the generator 7 through a connecting shaft, and then the current and the frequency of alternating current sent by the generator 7 are adjusted;

(5) The voltage stabilizing controller 8 controls the rectifying device 9 to convert the alternating current generated by the generator 7 into direct current; meanwhile, the voltage stabilization controller 8 converts the direct current output by the rectifying device 9 into a target voltage and a target frequency through an inverter according to the target voltage and the target frequency, and then the system finally outputs a stable voltage;

(6) When the power generation system works, the engine controller 5 collects the temperature of cooling liquid in the engine 6 and feeds the temperature back to the generator set controller 13, and when the temperature of the cooling liquid reaches high temperature, the generator set controller 13 sends a starting command to the radiator 2 and starts a fan of the radiator 2; then the exhaust system starts a heat dissipation mode, fresh air is introduced from the air inlet shutter 12 and flows through the cooling light carriage to take away heat generated during the operation of the micro power generation system, and the heat is forcibly exhausted by the fan of the radiator 2 and flows out through the air exhaust shutter 1; when the temperature of the coolant drops to a low temperature, the generator set controller 13 sends a shutdown command to the radiator 2, the radiator 2 fan stops operating, and the exhaust system stops operating.

(7) After the power-conserving work is finished, the generator set controller 13 sends a closing command to the engine controller 5, the engine controller 5 closes the engine 6, and the power-generating work of the system is stopped; meanwhile, a closing command is sent to the radiator 2, the air exhaust shutter 1 and the air inlet shutter 12, the fan of the radiator 2, the air exhaust shutter 1 and the air inlet shutter 12 are closed, and the air exhaust system stops working.

In addition, the on-line monitoring control method for the real-time data of the miniature generator car comprises the following steps:

the engine controller 5 collects parameter information of the engine 6; the voltage stabilizing controller 8 acquires parameter information of the generator 7; the information collected by the engine controller 5 and the voltage stabilizing controller 8 is respectively transmitted to the generator set controller 13; the generator set controller 13 collects the parameter information of the air exhaust louver 1, the radiator 2 and the air inlet louver 12 at the same time; all the parameter information is integrated in the acquisition terminal 14 and can be displayed, recorded and managed through the mobile phone client and the PC terminal.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto, and various changes which can be made within the knowledge of those skilled in the art without departing from the gist of the present invention are within the scope of the claims of the present invention.

Claims (10)

1. A high power density micro generator car is characterized by comprising a light carriage and a generator set, wherein the generator set is arranged in the light carriage and comprises an engine, a generator, a voltage stabilizing controller, a rectifying device, an inverter and a generator set control cabinet; the rectifying device is electrically connected with the generator, the inverter is electrically connected with the rectifying device, and the voltage stabilizing controller is electrically connected with the generator set control cabinet.

2. A high power density micro power generation vehicle according to claim 1, wherein the engine is an automotive engine and the generator is a lightweight permanent magnet alternator.

3. A high power density miniature generator car according to claim 1 wherein the generator set further comprises an engine controller, the engine controller being electrically connected to the voltage regulator controller, the generator set controller and the collection terminal being disposed within the generator set control cabinet, the voltage regulator controller being electrically connected to the generator set controller.

4. A high power density miniature generator car according to claim 1 wherein the light weight compartment is split and the upper compartment is removably attached to the lower compartment.

5. The high power density micro generator car according to claim 4, further comprising an exhaust system, wherein the exhaust system comprises an air intake louver, an air exhaust louver and a radiator, the air intake louver is installed at the rear part of the upper compartment, the air exhaust louver is installed at the front end of the top of the upper compartment, the front end of the front top of the upper compartment is arranged at an oblique angle, the air exhaust louver is installed at the oblique angle, the radiator is installed at the lower part of the air exhaust louver, and a fuel tank is arranged below the radiator.

6. A high power density miniature generator car according to claim 4 wherein said upper compartment has access doors mounted thereon.

7. A high power density miniature power generator car according to claim 4 wherein said engine is connected to a smoke exhaust silencer assembly, said smoke exhaust silencer assembly being secured to the lower compartment, the exhaust being located at the diagonal of the upper compartment.

8. A high power density miniature power generation vehicle according to claim 1 wherein said light duty vehicle body is a pickup truck body.

9. A power generation control method for generating power by using the high power density power generation car of any one of claims 1 to 8, comprising:

(1) When the power is maintained in daily life, the generator set controller is electrified, the air exhaust louver and the air inlet louver are electrified to be controlled to be opened, and ventilation and heat dissipation preparation work is well done;

(2) The generator set controller sends a starting signal to the engine controller, and the engine is started through the engine controller;

(3) After the engine is started, the generator is driven to operate through the connecting shaft to generate alternating current;

(4) The generator set controller sends a detected load signal to the voltage stabilization controller, the voltage stabilization controller compares the load information with a target load and sends an instruction for adjusting the rotating speed of the engine to the engine controller, the engine controller adjusts the rotating speed of the engine, the engine adjusts the rotating speed of the generator through a connecting shaft, and then the current and the frequency of alternating current sent by the generator are adjusted;

(5) The voltage stabilizing controller controls the rectifying device to convert alternating current generated by the generator into direct current; meanwhile, the voltage stabilization controller converts the direct current output by the rectifying device into target voltage and frequency through the inverter according to the target voltage and frequency, and then the system finally outputs stable voltage;

(6) The engine controller collects the temperature of cooling liquid in the engine and feeds the temperature back to the generator set controller, and when the temperature of the cooling liquid reaches high temperature, the generator set controller sends a starting command to the radiator and starts a radiator fan; then the exhaust system starts a heat dissipation mode, fresh air is introduced from the air inlet shutter and flows through the cooling light carriage to take away heat generated by the micro power generation system during operation, and the heat is forcibly exhausted by the radiator fan and flows out through the air exhaust shutter; when the temperature of the cooling liquid is reduced to low temperature, the generator set controller sends a closing command to the radiator, the radiator fan stops running, and the exhaust system stops working;

(7) After the power-conserving work is finished, the generator set controller sends a closing command to the engine controller, the engine controller closes the engine, and the power generation work of the system is stopped; meanwhile, a closing command is sent to the radiator, the air exhaust shutter and the air inlet shutter, the fan of the radiator, the air exhaust shutter and the air inlet shutter are closed, and the air exhaust system stops working.

10. The power generation control method according to claim 9, wherein the real-time data acquisition method for power generation of the power generation car comprises the following steps:

an engine controller collects engine parameter information;

the voltage stabilizing controller acquires parameter information of the generator;

the information collected by the engine controller and the voltage stabilizing controller is respectively transmitted to the generator set controller;

the generator set controller simultaneously acquires parameter information of an air exhaust shutter, a radiator and an air inlet shutter;

the parameter information is integrated in the acquisition terminal and is displayed, recorded and managed through the mobile phone client and the PC terminal.

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