CN209069473U - A kind of low speed single cylinder diesel Electric Dynamometer - Google Patents
A kind of low speed single cylinder diesel Electric Dynamometer Download PDFInfo
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- CN209069473U CN209069473U CN201821770103.6U CN201821770103U CN209069473U CN 209069473 U CN209069473 U CN 209069473U CN 201821770103 U CN201821770103 U CN 201821770103U CN 209069473 U CN209069473 U CN 209069473U
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- frequency converter
- motor
- low speed
- single cylinder
- speed single
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Abstract
The utility model discloses a kind of low speed single cylinder diesel Electric Dynamometers, including frequency converter, transformer, the transformer side is provided with power grid, the frequency converter is provided in front of the transformer, the frequency converter is internally provided with rectification module, the rectification module side is provided with inverter module, the frequency converter side is provided with load box, the load box other side is provided with motor, the motor is internally provided with rotor, shaft is provided on the motor, the motor side is provided with diesel engine, the diesel engines are provided with cylinder, the cylinder top is provided with piston, fuel injector is provided on the piston, crankshaft is provided on the diesel engine, described crankshaft one end is provided with shaft coupling.Beneficial effect is: the power that low speed single cylinder diesel can be exported is converted into electric energy, meets the power demand of other electrical equipments of on-site, achievees the purpose that reduce energy consumption.
Description
Technical field
The utility model relates to detection technique fields, more particularly to a kind of low speed single cylinder diesel Electric Dynamometer.
Background technique
The factory for producing large-scale marine low speed diesel engine at present can all carry out product produced before product delivery
Test, what is generallyd use is hydraulic dynamometer, the resistance that simulation diesel engine drives propeller to be subject in water, this traditional side
Method is along using for a long time, although directly, virtually wasting many energy.The power of low speed one-cylinder diesel is
2500kW, if carrying out 100 hours durability tests, the total work made has 9000000000J, if can will wherein
70% energy regenerating can light the LED light of a 15W 116666 hours.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of low speed single cylinder diesel electric power
Dynamometer.
The utility model achieves the above object through the following technical schemes:
A kind of low speed single cylinder diesel Electric Dynamometer, including frequency converter, transformer, the transformer side are provided with
Power grid, the transformer front are provided with the frequency converter, and the frequency converter is internally provided with rectification module, the rectification module
Side is provided with inverter module, and the frequency converter side is provided with load box, and the load box other side is provided with motor, described
Motor is internally provided with rotor, is provided with shaft on the motor, and the motor side is provided with diesel engine, in the diesel engine
Portion is provided with cylinder, and the cylinder top is provided with piston, and fuel injector is provided on the piston, is provided on the diesel engine
Crankshaft, described crankshaft one end are provided with shaft coupling.
Further, the crankshaft is embedded in the diesel engines, and the crankshaft is connect with the piston drive, described
Cylinder machine-shaping is in the diesel engine.
Further, the piston is nested in the cylinder, and the fuel injector is fixed by screws on the piston,
The fuel injector is connected with the piston by pipeline.
Further, the shaft coupling is fixed by screws on the crankshaft, and the shaft is fixed by screws in institute
It states on shaft coupling.
Further, the shaft is connect with the motor drive, and the rotor is connect with the motor drive, described negative
Case is carried to be electrically connected with the motor.
Further, the frequency converter is electrically connected with the motor, and the frequency converter is electrically connected with the load box, described
Frequency converter is electrically connected with the transformer.
Further, the inverter module is fixed by screws in the frequency converter, and the rectification module passes through screw
It is fixed in the frequency converter, the power grid is electrically connected with the transformer.
Further, the rectification module is electrically connected with the inverter module, the rectification module and frequency converter electricity
Connection, the inverter module are electrically connected with the frequency converter.
In above structure, when system prepares to start, powered by the power grid, it is by the transformer that 380V is electric
It is converted into 690V to export to the frequency converter, by the rectification module and the inverter module of the frequency converter, becomes frequency
The variable 690V alternating current of rate, the ignition revolving speed for driving the motor that the revolving speed of the motor is made to reach the diesel engine are described
The crankshaft of diesel engine is connected with the shaft of the motor by the shaft coupling, when the diesel engine is dragged to hair
The fuel injector oil spout, the diesel engine can operate normally after fiery revolving speed, externally do work, the motor is by electronic at this time
State is converted to power generation state, and the crankshaft of the diesel engine drives the rotor of the motor to rotate, what the motor issued
Electric energy is fed back to the small net of level of factory through the rectification module of the frequency converter, if existed for the power demand of on-site other equipment
The electricity consumption of all electrical equipments of a certain moment entire on-site is less than the output power of single cylinder engine, and the electric energy of sending is had nowhere to go
Lead to the frequency converter and the transformer overload, so increasing before the rectification module and the inverter module described
Load box can consume the electric energy that the motor issues by the load box.
The utility model has the beneficial effects that: the power that low speed single cylinder diesel can be exported is converted into electric energy, it is full
The power demand of sufficient other electrical equipments of on-site achievees the purpose that reduce energy consumption.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of main view of low speed single cylinder diesel Electric Dynamometer described in the utility model；
Fig. 2 is a kind of top view of low speed single cylinder diesel Electric Dynamometer described in the utility model；
Fig. 3 is a kind of working principle diagram of low speed single cylinder diesel Electric Dynamometer described in the utility model.
The reference numerals are as follows:
1, rectification module；2, inverter module；3, load box；4, frequency converter；5, motor；6, rotor；7, diesel engine；8, vapour
Cylinder；9, fuel injector；10, piston；11, shaft；12, crankshaft；13, shaft coupling；14, transformer；15, power grid.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1-Figure 3, a kind of low speed single cylinder diesel Electric Dynamometer, including frequency converter 4, transformer 14 become
14 side of depressor is provided with power grid 15, and frequency converter 4 is provided in front of transformer 14, and frequency converter 4 is internally provided with rectification module 1,
1 side of rectification module is provided with inverter module 2, and 4 side of frequency converter is provided with load box 3, and 3 other side of load box is provided with motor
5, motor 5 is internally provided with rotor 6, is provided with shaft 11 on motor 5, and 5 side of motor is provided with diesel engine 7, inside diesel engine 7
It is provided with cylinder 8, piston 10 is provided at the top of cylinder 8, fuel injector 9 is provided on piston 10, is provided with crankshaft on diesel engine 7
12,12 one end of crankshaft is provided with shaft coupling 13.
Further, crankshaft 12 is embedded in inside diesel engine 7, and crankshaft 12 and piston 10 are sequentially connected, 8 machine-shaping of cylinder
In diesel engine 7, piston 10 is nested in cylinder 8, and fuel injector 9 is fixed by screws on piston 10, fuel injector 9 and piston 10
It is connected by pipeline, shaft coupling 13 is fixed by screws on crankshaft 12, and shaft 11 is fixed by screws on shaft coupling 13, is turned
Axis 11 and motor 5 are sequentially connected, and rotor 6 and motor 5 are sequentially connected, and load box 3 is electrically connected with motor 5, frequency converter 4 and motor 5
Electrical connection, frequency converter 4 are electrically connected with load box 3, and frequency converter 4 is electrically connected with transformer 14, and inverter module 2 is fixed by screws in
In frequency converter 4, rectification module 1 is fixed by screws in frequency converter 4, and power grid 15 is electrically connected with transformer 14, rectification module 1 with
Inverter module 2 is electrically connected, and rectification module 1 is electrically connected with frequency converter 4, and inverter module 2 is electrically connected with frequency converter 4.
In above structure, when system prepares to start, powered by power grid 15, by transformer 14 by 380V electrotransformation
It exports for 690V to frequency converter 4, by the rectification module 1 and inverter module 2 of frequency converter 4, becomes the 690V exchange of changeable frequency
Electricity, driving motor 5 make the revolving speed of motor 5 reach the ignition revolving speed of diesel engine 7, the crankshaft 12 of diesel engine 7 and the shaft 11 of motor 5
It is connected by shaft coupling 13,9 oil spout of fuel injector, diesel engine 7 can be transported normally after diesel engine 7 is dragged to ignition revolving speed
Row externally does work, and motor 5 is converted to power generation state by electro dynamic at this time, and the crankshaft 12 of diesel engine 7 drives the rotor 6 of motor 5 to revolve
Turn, the electric energy that motor 5 issues is fed back to the small net of level of factory through the rectification module 1 of frequency converter 4, and the electricity consumption for on-site other equipment needs
If the electricity consumption of at a time all electrical equipments of entire on-site is asked to be less than the output power of single cylinder engine, the electric energy of sending
Having nowhere to go causes frequency converter 4 and transformer 14 to overload, so increasing load box before rectification module 1 and inverter module 2
3, the electric energy of the sending of motor 5 can be consumed by load box 3.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (8)
1. a kind of low speed single cylinder diesel Electric Dynamometer, it is characterised in that: including frequency converter, transformer, the transformer
Side is provided with power grid, is provided with the frequency converter in front of the transformer, the frequency converter is internally provided with rectification module, institute
It states rectification module side and is provided with inverter module, the frequency converter side is provided with load box, the load box other side setting
There is motor, the motor is internally provided with rotor, and shaft is provided on the motor, and the motor side is provided with diesel engine,
The diesel engines are provided with cylinder, and the cylinder top is provided with piston, and fuel injector, the bavin are provided on the piston
Crankshaft is provided in oil machine, described crankshaft one end is provided with shaft coupling.
2. a kind of low speed single cylinder diesel Electric Dynamometer according to claim 1, it is characterised in that: the crankshaft edge
Embedded in the diesel engines, the crankshaft is connect with the piston drive, and the cylinder machine-shaping is in the diesel engine.
3. a kind of low speed single cylinder diesel Electric Dynamometer according to claim 1, it is characterised in that: the piston is embedding
It covers in the cylinder, the fuel injector is fixed by screws on the piston, and the fuel injector and the piston pass through pipe
Road is connected.
4. a kind of low speed single cylinder diesel Electric Dynamometer according to claim 1, it is characterised in that: the shaft coupling
It is fixed by screws on the crankshaft, the shaft is fixed by screws on the shaft coupling.
5. a kind of low speed single cylinder diesel Electric Dynamometer according to claim 1, it is characterised in that: the shaft with
The motor drive connection, the rotor are connect with the motor drive, and the load box is electrically connected with the motor.
6. a kind of low speed single cylinder diesel Electric Dynamometer according to claim 1, it is characterised in that: the frequency converter
It is electrically connected with the motor, the frequency converter is electrically connected with the load box, and the frequency converter is electrically connected with the transformer.
7. a kind of low speed single cylinder diesel Electric Dynamometer according to claim 1, it is characterised in that: the inversion mould
Block is fixed by screws in the frequency converter, and the rectification module is fixed by screws in the frequency converter, the power grid
It is electrically connected with the transformer.
8. a kind of low speed single cylinder diesel Electric Dynamometer according to claim 1, it is characterised in that: the rectification mould
Block is electrically connected with the inverter module, and the rectification module is electrically connected with the frequency converter, the inverter module and the frequency conversion
Device electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821770103.6U CN209069473U (en) | 2018-10-30 | 2018-10-30 | A kind of low speed single cylinder diesel Electric Dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821770103.6U CN209069473U (en) | 2018-10-30 | 2018-10-30 | A kind of low speed single cylinder diesel Electric Dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209069473U true CN209069473U (en) | 2019-07-05 |
Family
ID=67096696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821770103.6U Active CN209069473U (en) | 2018-10-30 | 2018-10-30 | A kind of low speed single cylinder diesel Electric Dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209069473U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517692A (en) * | 2021-08-19 | 2021-10-19 | 中船动力研究院有限公司 | Intelligent power supply control system |
| CN114001965A (en) * | 2021-10-27 | 2022-02-01 | 中船动力研究院有限公司 | Electric power measuring system of diesel engine |
-
2018
- 2018-10-30 CN CN201821770103.6U patent/CN209069473U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113517692A (en) * | 2021-08-19 | 2021-10-19 | 中船动力研究院有限公司 | Intelligent power supply control system |
| CN114001965A (en) * | 2021-10-27 | 2022-02-01 | 中船动力研究院有限公司 | Electric power measuring system of diesel engine |
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