CN103104360A - Combustion engine intelligent variable-speed generator set - Google Patents
Combustion engine intelligent variable-speed generator set Download PDFInfo
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- CN103104360A CN103104360A CN 201310046006 CN201310046006A CN103104360A CN 103104360 A CN103104360 A CN 103104360A CN 201310046006 CN201310046006 CN 201310046006 CN 201310046006 A CN201310046006 A CN 201310046006A CN 103104360 A CN103104360 A CN 103104360A
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Abstract
The invention relates to a combustion engine generator set in the energy field and the field of environment protection and low carbon economy and further relates to the application of mechanical and electrical equipment with built-in torque sensors and a stepless speed changer regulated by a motor, in particular to a combustion engine intelligent variable-speed generator set. The combustion engine intelligent variable-speed generator set comprises a combustion engine A, a stepless variable-speed device C, a generator B and a control circuit E. According to the combustion engine intelligent variable speed generator set, the stepless speed changer regulated by the motor is adopted as the stepless variable-speed device, and the stepless variable-speed device can adjust the transmission ratio between power and a load by comparison of obtained torque parameters of all torque sensors, so that optimal match is obtained between power equipment and the load. Therefore, under the condition that the working frequency of the generator is kept invariable, the combustion engine always runs in a working zone which is optimal in fuel efficiency in universal characteristic curves under the status of a real-time load. The combustion engine intelligent variable-speed generator set has the advantages of being simple in the system structure, low in manufacturing cost, long in service life, wide in an application range and the like.
Description
Technical field
The present invention relates to the oil-electric engine group of energy field, and environmental protection and low-carbon economy field, also relate to the application of " electromechanical equipment that carries torque sensor " and " a kind of stepless speed variators of motor regulation and control ".
" carry the electromechanical equipment of torque sensor " and " a kind of motor regulation and control stepless speed variators " is one of my patent application of proposing to State Patent Office.
Background technique
The oil-electric engine group is widely used motor-driven power supply.It is ultimate attainment that present scientific and technological level has made the efficient of internal-combustion engine and generator perform to, if rethink the efficient of the further raising energy (fuel), the discharging of reduce pollution emissions thing and greenhouse gases can only look for another way.
Usually, the oil-electric engine group is mainly used in the interim power supply occasion of varying duty, and being connected between the internal-combustion engine of oil-electric engine group and generator is the reducing gear that adopts fixed drive ratio.Because consumer needs stable power work frequency, so the rotating speed of generator must be constant under a definite rotating speed, like this, in the environment of varying duty internal-combustion engine can't to be operated in the moment of torsion of its universal characteristic curve intermediate fuel oil efficient optimum working zone interval.
Along with the development of society, the urgent oil-electric engine group of people more fuel saving, less discharge pollutants and greenhouse gases.
The object of the invention is to propose a kind ofly more save fuel oil and reduce waste and the oil-electric engine group of greenhouse gas emission.
A kind of stepless speed variator of motor regulation and control
Summary of the invention
Internal-combustion engine intelligent speed changing generator set of the present invention:
One internal-combustion engine
One stepless speed changes devices
One generator
One control circuit
It is characterized in that:
The present invention connects generator by internal-combustion engine by stepless speed changes devices and forms the oil-electric engine group; And regulate the velocity ratio of stepless speed changes devices and the rotating speed of internal-combustion engine by intelligence, make internal-combustion engine can automatically operate at according to the load of unit the working zone of its universal characteristic curve intermediate fuel oil efficient the best under instant load condition, to realize: in same load environment, internal-combustion engine is more saved fuel oil, the purpose of discharged waste and greenhouse gases still less.
The present invention is that one (or one group) " carries the electromechanical equipment of torque sensor ".
Stepless speed changes devices of the present invention is " a kind of stepless speed variators of motor regulation and control ".
The internal-combustion engine that control circuit of the present invention records according to torque sensor and real-time moment of torsion and the rotary speed data of generator, intelligence is regulated the velocity ratio of internal-combustion engine rotational speed and stepless speed changes devices; In the situation that guarantee that the generator frequency of okperation is constant, make this internal-combustion engine operate in all the time the working zone of its universal characteristic curve intermediate fuel oil efficient the best under instant load condition.
The battery of the storage regulation and control motor feedback electric weight in control circuit of the present invention can store regulation and control motor visitor's electric weight or power to the regulation and control motor when the regulation and control motor needs output power; When the regulation and control motor can surpass the capacity of battery storage to the electric weight of battery feedback, control circuit can transfer to the circuit of affluence the load of this unit automatically, as a supplement power supply; Perhaps when the electric weight of battery can not satisfy the needs of regulation and control motor, this generator set can replenish electric weight or directly provide energy to the regulation and control motor to battery.
Compared to the prior art, the present invention has the following advantages:
It is stepless speed changes devices that the present invention adopts " a kind of stepless speed variators of motor regulation and control ", it can contrast torque parameter that its each torque sensor obtains and regulate velocity ratio between power and load, make and obtain optimum coupling between power equipment and load, to realize: in the situation that guarantee that the generator frequency of okperation is constant, make this internal-combustion engine operate in all the time the working zone of its universal characteristic curve intermediate fuel oil efficient the best under instant load condition.And this system architecture is simple, low cost of manufacture, easily control, long service life, the advantage such as applied widely.
Description of drawings
Fig. 1 is the universal characteristic curve figure of certain internal-combustion engine
Fig. 2 is the signal of the present invention and composition (mechanical part)
Fig. 3 is control electrical schematic diagram of the present invention (stepless speed variator wherein adopts the system of two-stage planet)
Fig. 4 is that the present invention regulates and controls the signal of zone in the universal characteristic curve figure of internal-combustion engine
In figure:
A is power source
B is load
C is epicyclic gear system
C1 is first order planetary pinion
C2 is second level planetary pinion
C-1 is that torque sensor and elastic transmission thereof are paid (power intake)
C-2 is also that torque sensor and elastic transmission thereof are paid (clutch end)
D is regulation and control motor and transmission device thereof
D-1 is the gear (coaxial elastic transmission is paid) of regulation and control motor
D-2 is the dtc signal sensor of regulation and control motor
D-3 is the break of regulation and control motor
E is the controller of control circuit
E is the battery that stores regulation and control motor feedback electric weight
E-B is that the regulation and control motor is to the boosting transformer of feed
E-T is the controllable silicon of regulating feeding amount
E-Z is the rectifier of regulation and control motor feed
1. be power line negative pole tie point
2. be the anodal tie point of power line
3. be the silicon controlled guide line tie point of regulating regulation and control motor feeding amount
4. be the guide line tie point of regulation and control electromotor brake D-3
5. be one of power connection points of regulation and control motor outputting power
6. be one of power connection points of regulation and control motor outputting power
7. be regulation and control motor torque sensor signal lines tie point
8. be the sensor signal lines tie point that the present invention exports torque
9. be the sensor signal lines tie point of power source input torque
10. be the guide line tie point to power source
K is the switch of control circuit feed battery
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described by embodiment:
Shown in accompanying drawing 1 is the universal characteristic curve figure of certain internal-combustion engine.We can find out from figure: when this motor operate in rotating speed 1400～1900 (r/min), moment of torsion output 270～325 (N.m), when output power is 45～60KW, oil consumption is 282 (g/KW.h); And output torque oil consumption when 55～70 (N.m) is 580 (g/KW.h), surpasses more than 282 (g/KW.h) one times! We are referred to as the zone of oil consumption at 282 (g/KW.h) for this reason: the working zone of this universal characteristic curve of engine intermediate fuel oil efficient the best.
Shown in accompanying drawing 3 is the embodiment that stepless speed changes devices of the present invention adopts the system of two-stage planet.
Set:
Platform internal-combustion engine A is the power in system,
Mapping characteristics as shown in Figure 4,
Rated output power 80Kw,
Maximum output 100Kw,
Maximum (top) speed 3000r/min.
Generator B is the load in system,
Specified be output as 80KVA,
Maximum is output as 100KVA
Rated frequency 50Hz
Voltage rating 400V,
Three phase supply,
Rated speed 1000r/min,
Load in application need to fluctuate between 25～100Kw.
The rotating speed of internal-combustion engine must operate under the state of 3000r/min all the time if the retarder of fixed drive ratio is still adopted in the connection between internal-combustion engine and generator! Like this, generator just may be realized maximum output, but when load change, fuel consume is very uneconomical.
In the present embodiment, the rotating speed of generator still must be constant on rated speed.But the velocity ratio of stepless speed changes devices is 1: 1～1: but step-less adjustment between 3.Like this, the internal-combustion engine that control circuit can record according to torque sensor and real-time moment of torsion and the rotary speed data of generator, intelligence is regulated the velocity ratio of internal-combustion engine rotational speed and stepless speed changes devices; In the situation that guarantee that the generator frequency of okperation is constant, make this internal-combustion engine operate in all the time the working zone of its universal characteristic curve intermediate fuel oil efficient the best under instant load condition.Regulating effect is:
When load was the peak output of 100Kw, internal-combustion engine was 3000r/min at rotating speed;
When load is 80Kw, internal-combustion engine rotational speed is controlled at the 2400r/min left and right;
When load is 70Kw, internal-combustion engine rotational speed is controlled at the 2000r/min left and right;
When load is 60Kw, internal-combustion engine rotational speed is controlled at the 1800r/min left and right;
When load is 50Kw, internal-combustion engine rotational speed is controlled at the 1600r/min left and right;
When load is 40Kw, internal-combustion engine rotational speed is controlled at the 1350r/min left and right;
When load is 30Kw, internal-combustion engine rotational speed is controlled at the 1200r/min left and right;
When load is 25Kw, internal-combustion engine rotational speed is controlled at the 1000r/min left and right.
That is to say: regulate when the zone that the rotating speed of internal-combustion engine is beaten oblique line according to the S line in Fig. 4 or S line periphery, internal-combustion engine just can operate in the working zone of its universal characteristic curve intermediate fuel oil efficient the best under instant load condition all the time.
After the contrast of the input and output dtc signal that in the present embodiment, control circuit E obtains according to the input torque sensor C-1 on stepless speed changes devices and output torque sensor C-2, the rotating speed of the rotating speed of controlling combustion engine A and regulation and control motor D, to realize: internal-combustion engine runs on the working zone of its universal characteristic curve intermediate fuel oil efficient the best under instant load condition all the time, simultaneously, guarantee that the rotating speed of generator runs on the rated speed of 1000r/min all the time
In the process of the velocity ratio of the rotating speed of adjusting internal combustion engine A and stepless speed changes devices C, the regulation and control motor can feed back electric weight to battery, perhaps needs battery to provide energy to the regulation and control motor.When the regulation and control motor can surpass the capacity of battery storage to the electric weight of battery feedback, control circuit can transfer to the circuit of affluence the load of this unit automatically, as a supplement power supply; Perhaps when the electric weight of battery can not satisfy the needs of regulation and control motor, this generator set can replenish electric weight or directly provide energy to the regulation and control motor to battery.
These are only example of the present invention, be not limited to this.
Claims (5)
1. internal-combustion engine intelligent speed changing generator set comprises: an internal-combustion engine, a stepless speed changes devices, a generator, a control circuit is characterized in that: internal-combustion engine connects generator by stepless speed changes devices and forms the oil-electric engine group; And regulate the velocity ratio of stepless speed changes devices and the rotating speed of internal-combustion engine by intelligence, make internal-combustion engine can automatically operate at according to the load of unit the working zone of its universal characteristic curve intermediate fuel oil efficient the best under instant load condition, to realize: in same load environment, internal-combustion engine is more saved fuel oil, the purpose of discharged waste and greenhouse gases still less.
2. internal-combustion engine intelligent speed changing generator set according to claim 1, it is characterized in that: it is that one (or one group) " carries the electromechanical equipment of torque sensor ".
3. internal-combustion engine intelligent speed changing generator set according to claim 1, feature is: its stepless speed changes devices is " a kind of stepless speed variators of motor regulation and control ".
4. internal-combustion engine intelligent speed changing generator set according to claim 1, feature is: the internal-combustion engine that its control circuit records according to torque sensor and real-time moment of torsion and the rotary speed data of generator, and intelligence is regulated the velocity ratio of internal-combustion engine rotational speed and stepless speed changes devices; In the situation that guarantee that the generator frequency of okperation is constant, make this internal-combustion engine operate in all the time the working zone of its universal characteristic curve intermediate fuel oil efficient the best under instant load condition.
5. control circuit according to claim 1, feature is: the battery of the storage regulation and control motor feedback electric weight in its circuit can store regulation and control motor visitor's electric weight or when the regulation and control motor needs output power to the power supply of regulation and control motor; When the regulation and control motor can surpass the capacity of battery storage to the electric weight of battery feedback, control circuit can transfer to the circuit of affluence the load of this unit automatically, as a supplement power supply; Perhaps when the electric weight of battery can not satisfy the needs of regulation and control motor, this generator set can replenish electric weight or directly provide energy to the regulation and control motor to battery.
Priority Applications (1)
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| CN 201310046006 CN103104360A (en) | 2013-02-05 | 2013-02-05 | Combustion engine intelligent variable-speed generator set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310046006 CN103104360A (en) | 2013-02-05 | 2013-02-05 | Combustion engine intelligent variable-speed generator set |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389411A (en) * | 2020-11-20 | 2021-02-23 | 三一重型装备有限公司 | Hybrid vehicle engine control method, vehicle and readable storage medium |
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2013
- 2013-02-05 CN CN 201310046006 patent/CN103104360A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112389411A (en) * | 2020-11-20 | 2021-02-23 | 三一重型装备有限公司 | Hybrid vehicle engine control method, vehicle and readable storage medium |
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Application publication date: 20130515 |