CN203374367U - Control device of range extender diesel generating set - Google Patents
Control device of range extender diesel generating set Download PDFInfo
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- CN203374367U CN203374367U CN201320396131.7U CN201320396131U CN203374367U CN 203374367 U CN203374367 U CN 203374367U CN 201320396131 U CN201320396131 U CN 201320396131U CN 203374367 U CN203374367 U CN 203374367U
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Abstract
The utility model relates to a control device of a range extender diesel generating set. The control device comprises a central processing unit, a signal collecting unit, a first control unit, a second control unit and a communication interface. The central processing unit is respectively connected with the signal collecting unit, the first control unit, the second control unit and the communication interface through four data input-output interfaces. The signal collecting unit is connected with a rotation speed sensor, a current sensor, a voltage sampling loop and an electronic engine control unit. The first control unit is connected with the electronic engine control unit to control the electronic engine control unit to adjust the rotation speed. The second control unit is connected with an alternating current contactor and a direct current contactor to control the ON/OFF of the alternating current contactor and the direct current contactor. The communication interface is provided with two CAN interfaces, the first CAN interface is connected with the electronic engine control unit, and the second CAN interface is connected with a monitoring system, a power battery management system and a synchronous rectifier.
Description
Technical field
The utility model belongs to the stroke-increasing electric automobile technical field.Particularly relate to a kind of distance increasing unit diesel-generator set control device.
Background technique
Distance increasing unit is to be installed at an additional energy storage device on pure electric automobile in order to increase the pure electric automobile distance travelled.The common form of distance increasing unit has: internal-combustion engine and fuel cell etc.What make that distance increasing unit can be stable just must arrange control gear for power battery charging.
At present, in the distance increasing unit that the internal-combustion engine of take is power, its control gear often only can be accepted simple on off control order and have some simple function for monitoring, and the Full Vehicle System for pure electric coach can not provide the good system intergration simultaneously.Therefore, adopt the distance increasing unit of traditional distance increasing unit control gear, can't meet the requirement of present stage for range-extended electric motor bus art designs.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, and a kind of intelligent distance increasing unit control gear is provided, and this control gear can make the rotational speed regulation quick and stable, and has improved the fuel economy of motor.
The technological scheme that the utility model adopts is: a kind of distance increasing unit diesel-generator set control device comprises central processing unit, signal gathering unit, the first control unit, the second control unit, communication interface.Described central processing unit is connected with signal gathering unit, the first control unit, the second control unit, communication interface four parts respectively by four circuit-switched data input/output interfaces; Described signal gathering unit is connected with engine electronic control unit with speed probe, current sensor, voltage sampling loop, gather engine rotation speed sensor signal, two-phase alternating current signal, three-phase alternating voltage signal, engine electronic control unit trouble signal, and by this signal feed back to central processing unit; Described the first control unit is connected with engine electronic control unit, and the first control unit receives the central processing unit controls order, and produces control signal control engine electronic control unit adjusting rotary speed; Described the second control unit is connected with D.C. contactor with A.C. contactor, and the second control unit receives the central processing unit controls order, and produces control signal control A.C. contactor and D.C. contactor break-make; Described communication interface has two CAN interfaces, and a CAN interface is connected with engine electronic control unit, receives the information of engine electronic control unit by the CAN bus, and feeds back to central processing unit; The 2nd CAN interface is connected with supervisory system, power battery management system and synchronous rectifier and communication, receive supervisory system control command, synchronous rectifier and power battery management system working state, and control command and equipment working state are fed back to central unit, simultaneously by the central unit feedback of status to supervisory system, send control command to synchronous rectifier.
The beneficial effects of the utility model: distance increasing unit diesel-generator set control device of the present utility model adopts signals of rotational speed sensor, engine status signal and magneto alternator machine three-phase voltage signal as feedback signal, directly engine electronic control unit is sent to the control command adjusting rotary speed according to feedback signal, make the rotational speed regulation quick and stable, and improved the fuel economy of motor, guaranteed the requirement of state's IV discharge.Also there is the generator system three-phase voltage of supervision and two-phase load current function; control ac circuit and DC loop contactor break-make simultaneously; can better fix a breakdown, can cut off in case of necessity the safety of corresponding contact device protection components and parts, guarantee the distance increasing unit safe and reliable operation.Abundant periphery communication interface, increased the system adaptive flexibility, is convenient to realize the system intergration.
The accompanying drawing explanation
Fig. 1 is the range extender system theory diagram;
Fig. 2 is distance increasing unit control gear theory diagram;
Fig. 3 is that the distance increasing unit control gear starts control flow chart;
Fig. 4 is distance increasing unit control gear heat engine control flow chart;
Fig. 5 is distance increasing unit control gear job control flow chart;
Fig. 6 is that the distance increasing unit control gear is shut down control flow chart;
In figure:
1, distance increasing unit diesel-generator set control device; 11, central processing unit; 12, signal gathering unit; 13, the first control unit; 14, the second control unit; 15, communication interface; 2, diesel engine electronic control unit; 3, diesel engine; 4, permagnetic synchronous motor; 5, A.C. contactor; 6, synchronous rectifier; 7, D.C. contactor; 8, electrokinetic cell; 9, speed probe; 121; The voltage sampling loop; 122, current sensor.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
As shown in Figure 1, a kind of distance increasing unit diesel-generator set control device, comprise central processing unit 11, signal gathering unit 12, the first control unit 13, the second control unit 14, communication interface 15.Described central processing unit is connected with signal gathering unit, the first control unit, the second control unit, communication interface four parts respectively by four circuit-switched data input/output interfaces.Described signal gathering unit is connected with speed probe 9, current sensor 122, voltage sampling loop 121 and engine electronic control unit 2, gather the trouble signal of engine rotation speed sensor signal, two-phase alternating current signal IA, IC, three-phase alternating voltage signal UA, UB, UC, engine electronic control unit, and by this signal feed back to central processing unit.Described the first control unit is connected with engine electronic control unit, the first control unit receives the central processing unit controls order, and generation control signal control engine electronic control unit adjusting rotary speed, specifically, described the first control unit comprises the sub-D/A1 of the first analog output and the output of the sub-D/A2 two-way of the second analog output analog control signal, the 3rd control terminal K3 and the output of the 4th control terminal K4 two-way discrete control signal, D/A1 is connected with engine electronic control unit pedal input signal 1, D/A2 is connected with engine electronic control unit pedal input signal 2, K3 is connected with the engine electronic control unit power control signal, K4 starts control signal with engine electronic control unit and is connected.Described the second control unit is connected with D.C. contactor with A.C. contactor, the second control unit receives the central processing unit controls order, and the generation control signal is controlled A.C. contactor and D.C. contactor break-make, specifically, described the second control unit comprises the first control terminal K1 and the output of the second control terminal K2 two-way discrete control signal, K1 is connected with the A.C. contactor control end, and K2 is connected with the D.C. contactor control end.Described communication interface has two CAN interfaces, and a CAN interface is connected with engine electronic control unit, receives the information of engine electronic control unit by the CAN bus, and feeds back to central processing unit; The 2nd CAN interface is connected with supervisory system, power battery management system and synchronous rectifier and communication, receive supervisory system control command, synchronous rectifier and power battery management system working state, and control command and equipment working state are fed back to central unit, simultaneously by the central unit feedback of status to supervisory system, send control command to synchronous rectifier.
Diesel engine electronic control unit 2 is connected with diesel engine 3, and described diesel engine electronic control unit 2 can be controlled startup, shutdown, the adjusting rotary speed of diesel engine.The output shaft of diesel engine 3 is connected with the input shaft of permagnetic synchronous motor 4, and speed probe 9 is arranged on the joint of the input shaft of the output shaft of diesel engine 3 and permagnetic synchronous motor 4, measures this place's rotating speed.The three-phase output end of permagnetic synchronous motor 4 is first contacted with A.C. contactor 5, then connects with current sensor 122, finally is connected to synchronous rectifier 6.The UA in voltage sampling loop 121, UB ,UC tri-road signal terminals are connected to A, B, the C three-phase of permagnetic synchronous motor 4 correspondences and export.The direct current output negative pole terminal of synchronous rectifier 6 is directly connected to electrokinetic cell 8, and direct current output cathode terminal is first connected with D.C. contactor 7, is connected on electrokinetic cell 8.
The preferred XE167 of described central processing unit is core controller.
Working principle of the present utility model is:
At distance increasing unit, start in control startup-heat engine-operation-stopping process; the CAN bus of communication interface the one CAN interface and engine electronic control unit is connected; now the distance increasing unit control gear obtains the engine electronic control unit data by a CAN interface, monitors engine operating state.The control command that the first control unit and the second control unit receive central processing unit turns, the break-make of the working state of generation control signal control engine and A.C. contactor, D.C. contactor.
Explanation is controlled in concrete operation:
● start and control
Control flow as shown in Figure 3, the distance increasing unit control gear completes distance increasing unit and starts and control;
● heat engine is controlled
Control flow as shown in Figure 4, the distance increasing unit control gear completes the distance increasing unit warm-up control;
● job control
Control flow as shown in Figure 5, the distance increasing unit control gear completes the distance increasing unit job control;
● shut down and control
Control flow as shown in Figure 6, the distance increasing unit control gear completes distance increasing unit and shuts down and control;
Under the distance increasing unit normal working, the sub-P1 of signal gathering unit first input end of the utility model distance increasing unit diesel engine constant speed control device is connected with the speed probe Out let, the sub-D/A1 of the first analog output of control unit is connected with diesel engine electronic control unit pedal input signal the first terminal, and the sub-D/A2 of the second analog output is connected with diesel engine electronic control unit pedal input signal the second terminal.Now, the input signal of diesel engine constant speed control device using the rotating speed of target V1 that sets and actual speed signal P1 as increment type integral-separated PID, the D/A1 of control unit and D/A2 simulation output, as the output signal of increment type integral-separated PID, complete the constant engine speed closed loop control.
Definition K is speed discrepancy: ⊿ e constantly
k=P1-V1, and set a maximum permissible speed mistake difference at distance increasing unit diesel engine constant speed control device.
Dang ⊿ e
kwhile being less than the limits of error, drop into the integration item, use PID to regulate, that is:
D/A1=K
P*(⊿e
k-⊿e
k-1)+K
I*⊿e
k+K
D*(⊿e
k-2*⊿e
k-1+⊿e
k-2)
D/A2=D/A1/2
Dang ⊿ e
kwhile being greater than the limits of error, remove the integration item, use PD to regulate, that is:
D/A1=K
P*(⊿e
k-⊿e
k-1)+K
D*(⊿e
k-2*⊿e
k-1+⊿e
k-2)
D/A2=D/A1/2
K
p, K
i, K
dfor pid control parameter.
Adjusting motor at distance increasing unit diesel engine constant speed control device reaches under the condition of rotating speed of target stable operation, distance increasing unit diesel engine constant speed control device of the present utility model also has the function of output voltage correction, the UA in voltage sampling loop is connected with magneto alternator A, UB is connected with magneto alternator B, UC is connected with magneto alternator C, now, export target voltage U 1 and UAB=(UA-UB that the constant speed control device is set), UBC=(UB-UC) as the input signal ， ⊿ V revised as revising output signal.
The definition K poor: ⊿ of output voltage U=((UAB-U1 constantly)+(UBC-U1))/2
: ⊿ V=K
u* ⊿ U
K
ufor parameter is controlled in the voltage adjustment.
This stylish rotating speed of target is V2=V1+ ⊿ V
The constant speed control device will be readjusted motor to permanent rotating speed point according to revise goal V2.
Distance increasing unit diesel engine constant speed control device of the present utility model also has the function of disorderly closedown.The Fisrt fault signal terminal S1 of the signal gathering unit of diesel engine constant speed control device is connected with the low failure alarm signal of engine oil pressure with the engine failure alarm signal of diesel engine electronic control unit respectively with the second trouble signal terminal S2, when engine operation, when the S1 signal is effective, the constant speed control device sends alarm signal by the 2nd CAN to supervisory system, and kills engine; When the S2 signal is effective, the constant speed control device sends alarm signal by the 2nd CAN to supervisory device, and time delay kills engine in 1 second.
In distance increasing unit diesel-generator set control device matching and calibration, while monitoring, the 2nd CAN interface is connected with calibration system CAN bus, now, the constant speed control device is by the 2nd CAN interface and calibration system communication, completes parameter calibration, system real time monitoring, fault reads and remove.
When distance increasing unit diesel-generator set control device moves, the 2nd CAN interface is connected with supervisory system CAN bus, now, the constant speed control device is connected with supervisory system, power battery management system and synchronous rectifier and communication by the 2nd CAN interface, receive supervisory system control command, synchronous rectifier and power battery management system working state, and control command and equipment working state are fed back to central unit, simultaneously by the central unit feedback of status to supervisory system, control command feeds back to synchronous rectifier.
Claims (1)
1. a distance increasing unit diesel-generator set control device, comprise central processing unit, signal gathering unit, the first control unit, the second control unit, communication interface, it is characterized in that: described central processing unit is connected with signal gathering unit, the first control unit, the second control unit, communication interface four parts respectively by four circuit-switched data input/output interfaces; Described signal gathering unit is connected with engine electronic control unit with speed probe, current sensor, voltage sampling loop, gather engine rotation speed sensor signal, two-phase alternating current signal, three-phase alternating voltage signal, engine electronic control unit trouble signal, and by this signal feed back to central processing unit; Described the first control unit is connected with engine electronic control unit, and the first control unit receives the central processing unit controls order, and produces control signal control engine electronic control unit adjusting rotary speed; Described the second control unit is connected with D.C. contactor with A.C. contactor, and the second control unit receives the central processing unit controls order, and produces control signal control A.C. contactor and D.C. contactor break-make; Described communication interface has two CAN interfaces, and a CAN interface is connected with engine electronic control unit, receives the information of engine electronic control unit by the CAN bus, and feeds back to central processing unit; The 2nd CAN interface is connected with supervisory system, power battery management system and synchronous rectifier and communication, receive supervisory system control command, synchronous rectifier and power battery management system working state, and control command and equipment working state are fed back to central unit, simultaneously by the central unit feedback of status to supervisory system, send control command to synchronous rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396131.7U CN203374367U (en) | 2013-07-04 | 2013-07-04 | Control device of range extender diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320396131.7U CN203374367U (en) | 2013-07-04 | 2013-07-04 | Control device of range extender diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374367U true CN203374367U (en) | 2014-01-01 |
Family
ID=49836900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320396131.7U Expired - Fee Related CN203374367U (en) | 2013-07-04 | 2013-07-04 | Control device of range extender diesel generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203374367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017107677A1 (en) * | 2015-12-21 | 2017-06-29 | 北京新能源汽车股份有限公司 | Starting control method and device for range-extending type electric vehicle range extender |
-
2013
- 2013-07-04 CN CN201320396131.7U patent/CN203374367U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017107677A1 (en) * | 2015-12-21 | 2017-06-29 | 北京新能源汽车股份有限公司 | Starting control method and device for range-extending type electric vehicle range extender |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20200704 |