CN216545745U - High power density auxiliary power supply system - Google Patents
High power density auxiliary power supply system Download PDFInfo
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- CN216545745U CN216545745U CN202122822825.XU CN202122822825U CN216545745U CN 216545745 U CN216545745 U CN 216545745U CN 202122822825 U CN202122822825 U CN 202122822825U CN 216545745 U CN216545745 U CN 216545745U
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- 230000033228 biological regulation Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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- Stand-By Power Supply Arrangements (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The utility model relates to a high-power-density auxiliary power supply system which is applied to power supply of a whole vehicle system and comprises a diesel engine, a generator, a small diesel generator starting controller, a diesel generator voltage regulation controller, a connecting cable, a flameout electromagnetic valve and a temperature sensor, wherein the diesel engine is connected with the generator through the connecting cable; the engine and the generator are arranged on the same chassis, and an output shaft of the engine is in transmission connection with a power shaft of the generator through a belt. The power supply can provide 8KW electric power for the outside, and has the characteristics of high power density, small volume, low oil consumption, simple and convenient installation, high reliability and the like. The utility model controls the start and stop of the high-power density auxiliary power supply system through the APU control box, realizes voltage stabilization through the voltage regulator and realizes stable output of 26 +/-2V direct-current voltage. The utility model relates to a small-sized power generation system with high power density.A motor and a generator are arranged side by side and are connected through a belt pulley to output direct-current voltages of different grades.
Description
Technical Field
The utility model belongs to the technical field of power supply of a whole vehicle system, and particularly relates to a high-power-density auxiliary power supply system.
Background
At present, an auxiliary power supply system mainly outputs 220V or 380V alternating voltage and is large in size, for example, an auxiliary power supply device for a vehicle is provided by Nanjing Tanzhou electric locomotive Limited and comprises an auxiliary power supply, an auxiliary inverter power supply box, a power supply bus, an isolated three-phase alternating current contactor and the like. The device overcomes the technical defects of high failure rate of distributed power supply and increased train weight, and optimizes the performance of an auxiliary power supply system and the whole train.
At present, an auxiliary power supply system mainly outputs 220V or 380V alternating current voltage, is large in size, cannot output 24V direct current voltage, cannot meet the requirement of electric power consumption of an armored vehicle for real vehicles, and is large in size and cannot be installed on the armored vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-power-density auxiliary power supply system, which can carry out modular unit configuration according to the requirements of users; and can realize direct current power supply of different voltage levels.
In order to solve the above technical problem, the present invention provides a high power density auxiliary power supply system, which is characterized in that: the system comprises a diesel engine 1, a generator 2, a small diesel generator starting controller 3, a diesel generator voltage regulation controller 4 and a temperature sensor 7; the output shaft of the diesel engine is in transmission connection with the power shaft of the diesel generator through a belt; the diesel generator voltage regulation controller is used for controlling the output voltage of the diesel generator, the diesel generator and the diesel engine are both provided with temperature sensors, the small diesel generator starting controller is connected with the engine through a connecting cable, the temperature sensors are used for measuring the temperature of the diesel engine and transmitting signals to the small diesel generator starting controller, and the small diesel generator starting controller is used for controlling the starting/stopping of the diesel engine.
Has the advantages that: the utility model can carry out modularized unit configuration according to the user requirement; 8KW of electric power can be supplied to the outside; and can realize direct current power supply of different voltage levels. The power supply has the characteristics of high power density, small volume, low oil consumption, simplicity and convenience in installation, high reliability and the like. The design takes 28V direct current power supply as the output requirement of the system, and has military and civil dual purposes, the output power is 8KW, and the external dimension length multiplied by the width multiplied by the height is less than or equal to 848 multiplied by 548 multiplied by 460 mm.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a top view of FIG. 1
Fig. 3 is a schematic block diagram of a high power density auxiliary power supply system.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention is provided.
The utility model provides a high-power-density auxiliary power supply system which comprises a diesel engine 1, a generator 2, a small diesel generator starting controller 3, a diesel generator voltage regulating controller 4, a connecting cable 5, a flameout electromagnetic valve 6 and a temperature sensor 7, wherein the generator is connected with the diesel engine through a power supply line; the engine and the generator are arranged on the same chassis, and an output shaft of the engine is in transmission connection with a power shaft of the generator through a belt.
The starting controller of the small diesel generator is used for starting/stopping the diesel engine, the voltage regulating controller of the diesel generator is used for controlling the output voltage of the generator, the voltage is guaranteed to be stabilized within a 26 +/-2V interval, and meanwhile, a motorcycle hour meter is installed to record the motorcycle hour of the engine.
The generator and the diesel engine are both provided with temperature sensors, and the starting controller of the small diesel generator receives temperature signals so as to realize protective shutdown when the generator or the diesel engine is overheated.
An air inlet preheating plug is arranged on a diesel engine 1, and the system starting at low temperature can be realized, and the specific structure is shown in figure 1;
a small diesel generator start controller has been patented under patent No. CN 205977427U.
The starting controller of the small diesel generator is connected with the engine through a connecting cable, the diesel engine can be started and stopped conveniently, the diesel engine is provided with the electric heating plug, and the diesel engine can be preheated conveniently through a key switch under the low-temperature condition, so that the starting is smoother.
The starting controller of the small diesel generator has an overtemperature alarm protection function, the temperature sensors are respectively arranged in the cylinder head of the diesel engine and the generator, and when the diesel engine is overheated or the generator is overheated, the starting controller can cut off an oil supply circuit of the diesel engine to stop the diesel engine, so that the aim of protecting the diesel engine and the generator is fulfilled. The starting controller of the small diesel generator is provided with a diesel engine working timer, so that the service condition of the diesel generator can be conveniently known, and the maintenance can be conveniently carried out in the future.
The diesel generator voltage regulation controller has been patented under patent No. CN 205986692U.
The voltage regulation controller of the diesel generator adopts a fixed-frequency pulse width regulation technology to control the exciting current of the alternating-current exciter of the generator, and forms closed-loop regulation through voltage feedback, so that the output voltage of the generator is finally very stable, and the voltage regulation controller has overvoltage and overcurrent protection functions. The voltage regulation controller of the diesel generator is connected with the engine through a connecting cable.
A flameout electromagnetic valve is arranged on the diesel engine; the starting controller of the small diesel generator is used for controlling the on-off of a flameout electromagnetic valve on the diesel engine, controlling the oil way supply of the diesel engine and starting and stopping the high-power-density auxiliary power supply system. The temperature sensor is used for measuring the temperature of the diesel engine and transmitting a signal to the starting controller of the small diesel generator.
The diesel engine is used for driving the generator to start and stop, and the generator can output 8Kw electric power.
If the temperature of the engine is too high, the temperature sensor is switched on, and the starting controller of the small diesel generator controls the flameout electromagnetic valve through a circuit, so that the flameout electromagnetic valve does not work, the diesel engine stops supplying oil and then stops, and the engine is protected.
An air inlet preheating plug is added on the diesel engine and is controlled by a starting controller of a small diesel generator, and the preheating plug is used for heating air inlet at low temperature.
Meanwhile, the small diesel generator starting controller supplies power to the diesel generator voltage regulation controller, and the diesel generator voltage regulation controller is used for controlling the output voltage of the generator to be stabilized at 26 +/-2V and has overvoltage and overcurrent protection functions.
The schematic block diagram of the high power density auxiliary power supply system is shown in fig. 3.
The utility model designs a reasonable damping mechanism or a reasonable connecting structure, avoids the vibration of the engine from influencing the work of the generator, and ensures that the overall dimension is controlled within 848mm multiplied by 548mm multiplied by 460 mm. The simple operation and control mode is designed, one-key operation can be realized by a user, namely, the throttle is not required to be adjusted by the user, and after the user starts the system by only one key, the system can perform self-adaptive control on power generation according to the load requirement. The proper protection structure of the rotating parts (such as an engine flywheel and a generator output shaft) is designed, so that the danger of hurting people can be eliminated, and meanwhile, the maintenance is facilitated. An effective voltage control system is designed, voltage precision control of direct-current 24V voltage grade can be achieved, and voltage fluctuation rate is guaranteed to be within +/-0.5V. The volume of the control system is controlled within 848X 548X 460 mm.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A high power density auxiliary power supply system, characterized by: the system comprises a diesel engine, a generator, a starting controller of a small diesel generator, a voltage regulation controller of the diesel generator and a temperature sensor; the output shaft of the diesel engine is in transmission connection with the power shaft of the diesel generator through a belt; the diesel generator voltage regulation controller is used for controlling the output voltage of the diesel generator, the diesel generator and the diesel engine are both provided with temperature sensors, the small diesel generator starting controller is connected with the engine through a connecting cable, the temperature sensors are used for measuring the temperature of the diesel engine and transmitting signals to the small diesel generator starting controller, and the small diesel generator starting controller is used for controlling the starting/stopping of the diesel engine.
2. A high power density auxiliary power supply system according to claim 1, wherein: the diesel engine and the diesel generator are arranged on the same chassis.
3. A high power density auxiliary power supply system according to claim 1, wherein: an air inlet preheating plug is arranged on the diesel engine (1).
4. A high power density auxiliary power supply system according to claim 1, wherein: the starting controller of the small diesel generator is provided with a diesel engine working timer.
5. A high power density auxiliary power supply system according to claim 1, wherein: the diesel generator voltage regulation controller is connected with the engine through a connecting cable.
6. A high power density auxiliary power supply system according to claim 1, wherein: a flameout electromagnetic valve is installed on the diesel engine, and the starting controller of the small diesel generator is used for controlling the on-off of the flameout electromagnetic valve on the diesel engine.
7. A high power density auxiliary power supply system according to claim 1, wherein: diesel engines are fitted with electrically heated plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822825.XU CN216545745U (en) | 2021-11-17 | 2021-11-17 | High power density auxiliary power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122822825.XU CN216545745U (en) | 2021-11-17 | 2021-11-17 | High power density auxiliary power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216545745U true CN216545745U (en) | 2022-05-17 |
Family
ID=81574416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122822825.XU Active CN216545745U (en) | 2021-11-17 | 2021-11-17 | High power density auxiliary power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216545745U (en) |
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2021
- 2021-11-17 CN CN202122822825.XU patent/CN216545745U/en active Active
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