CN103048572B - A kind of distance increasing unit test macro - Google Patents
A kind of distance increasing unit test macro Download PDFInfo
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- CN103048572B CN103048572B CN201210590680.8A CN201210590680A CN103048572B CN 103048572 B CN103048572 B CN 103048572B CN 201210590680 A CN201210590680 A CN 201210590680A CN 103048572 B CN103048572 B CN 103048572B
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- 238000012360 testing method Methods 0.000 title claims abstract description 63
- 238000005070 sampling Methods 0.000 claims description 27
- 239000000498 cooling water Substances 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 7
- 238000009423 ventilation Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 230000005284 excitation Effects 0.000 description 13
- 239000003921 oil Substances 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001052 transient effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 201000004384 Alopecia Diseases 0.000 description 1
- 239000004606 Fillers/Extenders Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 208000024963 hair loss Diseases 0.000 description 1
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Abstract
The embodiment of the present application discloses a kind of distance increasing unit test macro, comprise: the support placing described distance increasing unit, the low-voltage power supply system of the low-voltage needed for described distance increasing unit work is provided, high-tension power distribution cabinet needed for described distance increasing unit work is provided, adjustable electric load, the first relay, the second relay, the 3rd relay, current sensor, voltage sensor, controller and oil supply subsystem; Controller passes through to distance increasing unit, low voltage control system, power distribution cabinet, adjustable electric load sending controling instruction, its instruction normally needed for work is sent to distance increasing unit to control test macro, and receive the information of distance increasing unit, low voltage control system, power distribution cabinet, adjustable electric load feedback, pass through feedback information, can detect whether the function of distance increasing unit can normally realize, improve the packaging efficiency of electric motor car, and this test system structure is simple, is easy to industrial realization.
Description
Technical field
The present invention relates to extended-range electric vehicle technical field, more particularly, relate to a kind of distance increasing unit test macro of extended-range electric vehicle.
Background technology
Extended-range electric vehicle obtains the extensive concern of people because it has the long two-fold advantage of pure electric vehicle energy-saving and environmental protection and traditional vehicle course continuation mileage concurrently.The distance increasing unit of extended-range electric vehicle is a small-sized genset; be made up of engine, generator and distance increasing unit control system; in the process of moving can according to whole vehicle state, operating mode and battery electric quantity; automatic startup generating; auto stop after charging, can be carved when needed by driver and manually boot and shut down.Distance increasing unit is by distance increasing unit control system, and the order of response controller of whole electric vehicle, exports the voltage and current needed for power drive system, realize the stability contorting of loading and unloading, the most economical working point control of engine etc.
At present, distance increasing unit is directly used in electric motor car after finishing assembly, and whether its function can normally realize not detecting, therefore, if distance increasing unit be used for distance increasing unit cisco unity malfunction after electric motor car (as, can normally power on, can normal starting, each generating operation mode point etc. can be realized), distance increasing unit must be changed, reduce the packaging efficiency of electric motor car, therefore how distance increasing unit is detected to prevent from being applied to the distance increasing unit cisco unity malfunction of electric motor car and the packaging efficiency reducing electric motor car becomes problem demanding prompt solution.
Summary of the invention
In view of this, the application provides a kind of distance increasing unit test macro, can normally work for the distance increasing unit detecting to ensure to be applied to electric motor car to distance increasing unit.
For achieving the above object, the invention provides following technical scheme:
A kind of distance increasing unit test macro, comprising:
Place the support of described distance increasing unit, the low-voltage power supply system of the low-voltage needed for described distance increasing unit work is provided, high-tension power distribution cabinet needed for described distance increasing unit work is provided, adjustable electric load, the first relay, the second relay, the 3rd relay, current sensor, voltage sensor, controller and oil supply subsystem; Wherein:
Described first relay is connected with described distance increasing unit with described low voltage control system respectively; Described voltage sensor and described distance increasing unit are connected in parallel, and described current sensor and described distance increasing unit are connected in series; Described second relay is connected with described power distribution cabinet with described current sensor respectively; Described 3rd relay respectively with the common node of described current sensor and described second relay, and described adjustable electric load is connected; Described controller is connected with adjustable electric load with described distance increasing unit, low voltage control system, the first relay, voltage sensor, current sensor, the second relay, the 3rd relay, power distribution cabinet respectively, sending controling instruction, and the information receiving described distance increasing unit, described voltage sensor, described current sensor and described adjustable electric load feedback; Described oil supply subsystem is connected with described distance increasing unit with oil depot respectively.
Said system, preferably, described power distribution cabinet comprises:
Power circuit and discharge circuit, wherein,
Power circuit is for providing the high voltage needed for described distance increasing unit work;
Described discharge circuit comprises diode, discharge resistance, intelligent switch, the first voltage sampling circuit, voltage comparator, voltage follower and the second voltage sampling circuit; Wherein,
Second voltage sampling circuit, voltage follower, voltage comparator, intelligent switch are connected successively with discharge resistance, and the other end of the second voltage sampling circuit is connected with the negative electrode of diode; The other end of discharge resistance is connected to the negative pole of power distribution cabinet, and the 3rd end of intelligent switch is connected with the positive pole of power distribution cabinet, and first voltage sampling circuit one end is connected with voltage comparator, and one end is connected with the anode of diode; Wherein, the first voltage sampling circuit is connected with voltage source with the common port of diode, and the common port of the second voltage sampling circuit and diode is connected to the positive pole of power distribution cabinet, and described voltage source is used for providing target voltage.
Said system, preferably, also comprises:
The first air switch be connected with described power distribution cabinet with described second relay respectively;
The second air switch be connected with described adjustable electric load with described 3rd relay respectively.
Said system, preferably, also comprises:
Constant temperature subsystem, comprises the temperature sensor providing the cooling tower of chilled water, cooling water pipeline and be arranged on described cooling water pipeline; Described cooling water pipeline by described distance increasing unit to ensure that distance increasing unit is operated in the temperature range of trouble free service.
Said system, preferably, also comprises:
Ventilation subsystem, for carrying out ventilation to the test environment of described distance increasing unit, to ensure that described distance increasing unit normally works required environment temperature.
Said system, preferably, also comprises:
The host computer be connected with described controller.
Known by above scheme, a kind of distance increasing unit test macro that the application provides, controller passes through to distance increasing unit, low voltage control system, power distribution cabinet, adjustable electric load sending controling instruction, its instruction normally needed for work is sent to distance increasing unit to control test macro, and receive the information of distance increasing unit, low voltage control system, power distribution cabinet, adjustable electric load feedback, pass through feedback information, can detect whether the function of distance increasing unit can normally realize, improve the packaging efficiency of electric motor car, and this test system structure is simple, is easy to industrial realization.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of distance increasing unit test macro that Fig. 1 provides for the embodiment of the present application;
The structural representation of the discharge circuit that Fig. 2 provides for the embodiment of the present application;
The structural representation of the another kind of distance increasing unit test macro that Fig. 3 provides for the embodiment of the present application;
The structural representation of another distance increasing unit test macro that Fig. 4 provides for the embodiment of the present application.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Disclosed in the embodiment of the present application, a kind of structural representation of distance increasing unit test macro as shown in Figure 1, comprising:
Support 1, low-voltage power supply system 2, the first relay 3, controller 4, power distribution cabinet 5, adjustable electric load 6, second relay the 7, three relay 8, current sensor 9, voltage sensor 10 and oil supply subsystem 11; Wherein,
First relay 3 is connected with distance increasing unit 12 with described low voltage control system 2 respectively; Described voltage sensor 10 and described distance increasing unit 12 are connected in parallel, and be also in parallel with described adjustable electric load 6, described current sensor 9 is connected in series with described distance increasing unit 12, concrete, is connected with the cathode output end of described distance increasing unit 12 simultaneously; Described second relay 7 is connected with described power distribution cabinet 5 with described current sensor 9 respectively, and that is one end of current sensor 9 is connected with distance increasing unit 12, and one end is connected with described second relay 7; Described 3rd relay 8 respectively with the common node of described current sensor 9 and described second relay 7, and described adjustable electric load 6 is connected; Described controller 4 is connected with adjustable electric load 6 with described distance increasing unit 12, low voltage control system 2, first relay 3, voltage sensor 10, current sensor 9, second relay 7, the 3rd relay 8, power distribution cabinet 5 respectively, sending controling instruction, and receive described distance increasing unit 12, described voltage sensor 10, described current sensor 9 and described adjustable electric load 6 feedack; Described oil supply subsystem 11 is connected with described distance increasing unit 12 with oil depot (not shown) respectively, for providing the fuel oil in distance increasing unit needed for engine operation.Oil supply subsystem includes fuel consumption meter, for measuring the fuel consumption of engine under certain operating mode, fuel consumption data can be sent to controller 4 simultaneously, and be shown by host computer.Voltage sensor 10 gathers the busbar voltage between the generator of adjustable electric load 6 and distance increasing unit 12
Wherein, support 1 is for placing distance increasing unit 12 to be tested; Low-voltage power supply system to work required low-voltage for providing described distance increasing unit 12, power distribution cabinet 5 is required high-tension for providing described distance increasing unit 12 to work, wherein, low-voltage and high voltage are all the voltage needed for distance increasing unit 12 real work, respectively for how much determining, therefore, in the present embodiment, unnecessary explanation low-voltage and high voltage are respectively how many; Adjustable electric load 6 is purely resistive load, and peak power is 100KW, precision 30W.The persevering resistance of adjustable electric load 6 and invariable power two kinds of mode of operations, can receive the steering order of controller 4, as instructions such as target operational mode, target consumed power value, shutdown, startups.Wherein, permanent resistance performance pattern refers to that the resistance of adjustable electric load 6 regulates according to the target resistance values of the transmission of controller 4; Invariable power mode of operation, refers to the output firm power of adjustable electric load 6 according to the steering order of controller 4.
Power distribution cabinet 5 and adjustable electric load 6 are equivalent to a high-tension battery, for the startup of engine in distance increasing unit 12, consume the electric energy that in distance increasing unit 12, generator sends simultaneously.In distance increasing unit 12, generator needs a stable voltage instantaneously in excitation, and an inverse electromotive force can be produced to generator excitation moment generator, this inverse electromotive force can instantaneously higher than the voltage of power supply, transient absorption must fall this voltage, namely the generator excitation electric energy that sends of moment is discharged at once (namely above the electric energy that sends of said consumption distance increasing unit generator), guarantee generator stable excitation generates electricity.High-tension battery is capacitive load, the voltage of transient absorption hair loss motor excitation instantaneous pressure power supply can be ensured, and the energy absorption produced falls, but due to high-tension battery expensive, and discharge and recharge number of times is limited, need periodic replacement, therefore, its use cost is high, therefore, directly do not use high-tension battery in this programme, but replace high-tension battery with power distribution cabinet 5 and adjustable electric load 6.
The specifications parameter of power distribution cabinet 5 is direct current 500V, 100A, degree of regulation is 0.1V, 0.1A, power distribution cabinet 5, except comprising for distance increasing unit 12 provides outside the power supply of working power (be implemented as common practise, repeat no more) circuit, also comprises discharge circuit here, the structural representation of discharge circuit as shown in Figure 2, comprising:
Diode 51, discharge resistance 52, intelligent switch 53, first voltage sampling circuit 54, voltage comparator 55, voltage follower 56 and the second voltage sampling circuit 57; Wherein,
Second voltage sampling circuit 57, voltage follower 56, voltage comparator 55, intelligent switch 53 are connected successively with discharge resistance 52, and the other end of the second voltage sampling circuit is connected with the negative electrode of diode 51; The other end of discharge resistance 52 is connected to the negative pole ("-" port as power distribution cabinet in figure 5) of power distribution cabinet 5 shown in Fig. 1, shown in the 3rd end and Fig. 1 of intelligent switch 53, the positive pole of power distribution cabinet 5 is (as "+" port of power distribution cabinet in figure 5, the namely positive voltage output end of power circuit) be connected, first voltage sampling circuit 54 one end is connected with voltage comparator 55, and one end is connected with the anode of diode 51; Wherein, first voltage sampling circuit 54 is connected with voltage source 58 with the common port (i.e. the anode of diode) of diode 51, second voltage sampling circuit 57 and diode 51 common port (i.e. the negative electrode of diode) be connected to the positive pole ("+" port as power distribution cabinet in figure 5) of power distribution cabinet 5 shown in Fig. 1, voltage source 58 is for providing target voltage.The principle of work of described discharge circuit is as follows:
First voltage sampling circuit 54 gathers diode 51 anode voltage, i.e. target voltage values, and the target voltage collected is input to voltage comparator 55; Second voltage sampling circuit 57 gathers diode 51 cathode voltage, namely the busbar voltage between adjustable electric loading 6 and the generator of distance increasing unit 12, because the generator excitation of distance increasing unit 12 can produce a very high inverse electromotive force instantaneously, therefore, second voltage sampling circuit collection be the voltage of the inverse electromotive force that the generator excitation of distance increasing unit 12 produces instantaneously, the voltage that the second voltage sampling circuit 57 gathers is input to voltage comparator 55 by voltage follower 56; The voltage of the target voltage that voltage comparator gathers the first voltage sampling circuit 54 and the inverse electromotive force that the second voltage sampling circuit 57 gathers compares, when the voltage of the inverse electromotive force that described second voltage collection circuit gathers is higher than described target voltage, voltage comparator 55 exports control signal, control described intelligent switch 53 to close, with the positive pole and the negative pole that make discharge resistance 52 be communicated with inverse electromotive force voltage, namely the busbar voltage between adjustable electric loading 6 and the generator of distance increasing unit 12, is discharged by described discharge resistance.And, diode 51 can also ensure that the voltage that the inverse electromotive force that the generator of distance increasing unit 12 produces can not make power distribution cabinet 5 export is interfered, after the generator success excitation generating of journey device 12, power distribution cabinet 5 only plays the effect maintaining the described necessary DC bus-bar voltage of engine controller PWN rectification generating, only there is very little or no current output, electric energy expends few, saves electric energy.
In order to ensure the electromagnetic interference (EMI) that generator excitation in distance increasing unit 12 produces instantaneously all can both to be consumed when each operating point switches, can before generator excitation, adjustable electric load 6 be first allowed to consume the electricity of intelligent power, stable etc. adjustable electric load 6 be depleted to the target power of electrical power generators demand after, sending target power to distance increasing unit again makes its excitation generate electricity, concrete, controller 4 sends invariable power operating mode instruction to adjustable electric load, make adjustable electric loaded work piece in invariable power mode of operation, and send target consumed power value to adjustable electric load 6, in the present embodiment, described target consumed power value is the target power of electrical power generators, enforcement consumed power value is sent to controller 4 by CAN by adjustable electric load 6 simultaneously, when controller 4 detects that the consumed power of adjustable electric load 6 reaches target power value, target power value is sent to distance increasing unit control system, to control generator excitation generating in distance increasing unit 12.
In addition, in order to overcome the electromagnetic interference (EMI) that in distance increasing unit 12, generator excitation produces instantaneously further, ensure the stability of data transmission, reliability and real-time, in the embodiment of the present application, controller 4 communicates with adopting CAN between all parts.
Controller 4 can be controlled adjustable electric load 6, power distribution cabinet 5 by CAN, also can send target instruction target word to the distance increasing unit control system of distance increasing unit 12 simultaneously, target instruction target word comprises: the instructions such as startup, dragging, generating and target power value, controller 4 also receives the data of low voltage power supply system 2, power distribution cabinet 5, adjustable electric load 6, current sensor 9, voltage sensor 10 feedback.These data, after receiving these data, can also be shown by host computer by controller 4.
In the present embodiment, when detecting distance increasing unit 12, test event comprises: the power test of upper electrical testing, startup test, each operating point and operating mode switch test; Upper electrical testing refers to that can test distance increasing unit normally power on; Start test can normally start for testing distance increasing unit; The power test of each operating point refers to that can test distance increasing unit reach predetermined power at individual each operating point; Can operating mode switch test normally carry out operating mode switching for testing distance increasing unit, and switch whether accurate etc.
Specifically when testing, the method of upper electrical testing is: controller 4 closed low electric power system 2, and it is closed to control the first relay 3, to start low-voltage power supply system 2, low-voltage power supply system 2 is made to provide the low-voltage needed for its work to the distance increasing unit control system of distance increasing unit 12, send enabled instruction to the distance increasing unit control system in distance increasing unit 12 simultaneously, after this, whether normally controller 4 receives the signal of the work that distance increasing unit control system is fed back by CAN, if distance increasing unit control system normally works (namely distance increasing unit control system can normally power on), then prompting powers on normal, otherwise electrical anomaly (namely distance increasing unit control system can not normally power on) in prompting, concrete prompting can be the mode of voice, also can be the mode of text importing, here be not specifically limited.If upper electrical testing by (namely going up electrical anomaly), does not then stop follow-up test.
Upper electrical testing is by after (namely powering on normal), startup test can be carried out, the method starting test is: controller 4 sends enabled instruction to the distance increasing unit control system in distance increasing unit 12, after distance increasing unit control system receives enabled instruction, the generator controlled in described distance increasing unit 12 starts to drive engine operation, when generator starts successfully, distance increasing unit control system sends to controller 4 and starts pass signal (illustrating that distance increasing unit can normally start), otherwise send and start failure signal (illustrating that distance increasing unit can not normally start), concrete prompting also can be the mode of voice, also can be the mode of text importing, here be not specifically limited.If start test not by (namely distance increasing unit can not normally start), then stop follow-up test.
When starting test by (namely distance increasing unit normally starts), test test being carried out to the power of each operating point of distance increasing unit, comprises the test of miniwatt operating point, transient working condition point power test, declared working condition point power test, maximum duty point power test; Specifically when testing, controller 4 sends target power value to the distance increasing unit control system of distance increasing unit 12, distance increasing unit control system controls the driven by engine electrical power generators in distance increasing unit, and feed back the current actual power power of distance increasing unit to controller 4, just can judge that whether the current measurement condition of distance increasing unit is normal according to target power value and the actual power performance number that increases once device control system feedback.Due to the corresponding target power value of each operating point, therefore, when will test all operating points of distance increasing unit, often test an operating point, all need controller 4 to control system to distance increasing unit and send the target power value corresponding with this operating point, the real power value then fed back according to distance increasing unit control system judges generator whether normal power generation;
When carrying out operating mode switch test, namely when controller 4 indicates distance increasing unit 12 to become the second operating mode from the first operating mode, distance increasing unit control system in distance increasing unit 12 also can feed back to controller 4 time switched, and the power change values in switching time, judge that the operating mode of distance increasing unit switches character according to distance increasing unit control system feedack, linear change or nonlinearities change etc. in this way, further to judge the performance of distance increasing unit.
A kind of distance increasing unit test macro that the embodiment of the present application provides, controller passes through to distance increasing unit, low voltage control system, power distribution cabinet, adjustable electric load sending controling instruction, its instruction normally needed for work is sent to distance increasing unit to control test macro, and receive the information of distance increasing unit, low voltage control system, power distribution cabinet, adjustable electric load feedback, pass through feedback information, can detect whether the function of distance increasing unit can normally realize, this test system structure is simple, is easy to industrial realization.
Please refer to Fig. 3, the structural representation of the another kind of distance increasing unit test macro that Fig. 3 provides for the embodiment of the present application, on basis embodiment illustrated in fig. 1, described increasing journey test macro also comprises:
Two air switches (i.e. switch disconnector): the first air switch 13 and the second air switch 14, wherein,
First air switch 13 is connected with described power distribution cabinet 5 with described second relay 7 respectively;
Second air switch is connected with described adjustable electric load 6 with described 3rd relay 8 respectively;
These two switches are used for power distribution cabinet 5 and adjustable electric load 6 to disconnect, and such as, when distance increasing unit test macro breaks down, in order to protect power distribution cabinet 5 and adjustable electric load 6, the first air switch 13 and the second air switch 14 can be disconnected.
As shown in Figure 4, the structural representation of another distance increasing unit test macro that Fig. 4 provides for the embodiment of the present application, on the basis of test macro described in Fig. 1, also comprises:
Constant temperature subsystem, comprises the cooling water pipeline be connected with cooling tower and the temperature sensor be arranged on described cooling water pipeline; Used for cooling tower in the cooling of chilled water; Described cooling water pipeline by described distance increasing unit to ensure that distance increasing unit is operated in the temperature range of trouble free service.Constant temperature subsystem flows through the temperature of the cooling circulating water of this test macro by temperature sensor collection, by the temperature of the chilled water collected and target temperature are compared, the rotating speed of water pump is controlled through PID controller, regulate the flow of recirculated cooling water, ensure that type range extender engine, generator and distance increasing unit control system are operated in the temperature range of trouble free service, guarantee that cooling system is safe and reliable.Constant temperature subsystem also by the temperature feedback of real-time chilled water to controller 4, and to be shown by host computer.
Ventilation subsystem, for carrying out ventilation to the test environment of described distance increasing unit 12, to ensure that described distance increasing unit normally works required environment temperature.Ventilation subsystem can be made up of several fan blowers, ensures that the temperature of test environment is unlikely too high, because the too high meeting of the temperature of test environment causes distance increasing unit cisco unity malfunction.
It should be noted that, not shown low-voltage power supply system 2 in Fig. 4, first relay 3, second relay 7, 3rd relay 8, current sensor 9, voltage sensor 10, first air switch 13 and the second air switch 14 be because, above-mentioned parts can independently use, also other parts can be integrated in realize corresponding function, if be used alone, can connect by circuit diagram according to Fig. 1 or Fig. 3, if integrated use, can low-voltage power supply system 2 and the first relay 3 be integrated in controller 4, can the second relay 7 and the first air switch 13 be integrated in power distribution cabinet 5, 3rd relay 8 and the second air switch 14 can be integrated in adjustable electric load.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a distance increasing unit test macro, is characterized in that, comprising:
Place the support of described distance increasing unit, the low-voltage power supply system of the low-voltage needed for described distance increasing unit work is provided, high-tension power distribution cabinet needed for described distance increasing unit work is provided, adjustable electric load, the first relay, the second relay, the 3rd relay, current sensor, voltage sensor, controller and oil supply subsystem; Wherein:
Described first relay is connected with described distance increasing unit with low voltage control system respectively; Described voltage sensor and described distance increasing unit are connected in parallel, and described current sensor and described distance increasing unit are connected in series; Described second relay is connected with described power distribution cabinet with described current sensor respectively; Described 3rd relay respectively with the common node of described current sensor and described second relay, and described adjustable electric load is connected; Described controller is connected with adjustable electric load with described distance increasing unit, low voltage control system, the first relay, voltage sensor, current sensor, the second relay, the 3rd relay, power distribution cabinet respectively, sending controling instruction, and the information receiving described distance increasing unit, described voltage sensor, described current sensor and described adjustable electric load feedback; Described oil supply subsystem is connected with described distance increasing unit with oil depot respectively;
Wherein, described power distribution cabinet comprises:
Power circuit and discharge circuit, wherein,
Power circuit is for providing the high voltage needed for described distance increasing unit work;
Described discharge circuit comprises diode, discharge resistance, intelligent switch, the first voltage sampling circuit, voltage comparator, voltage follower and the second voltage sampling circuit; Wherein,
Second voltage sampling circuit, voltage follower, voltage comparator, intelligent switch are connected successively with discharge resistance, and the other end of the second voltage sampling circuit is connected with the negative electrode of diode; The other end of discharge resistance is connected to the negative pole of power distribution cabinet, and the 3rd end of intelligent switch is connected with the positive pole of power distribution cabinet, and first voltage sampling circuit one end is connected with voltage comparator, and one end is connected with the anode of diode; Wherein, the first voltage sampling circuit is connected with voltage source with the common port of diode, and the common port of the second voltage sampling circuit and diode is connected to the positive pole of power distribution cabinet, and described voltage source is used for providing target voltage.
2. system according to claim 1, is characterized in that, also comprises:
The first air switch be connected with described power distribution cabinet with described second relay respectively;
The second air switch be connected with described adjustable electric load with described 3rd relay respectively.
3. system according to claim 1, is characterized in that, also comprises:
Constant temperature subsystem, comprises the temperature sensor providing the cooling tower of chilled water, cooling water pipeline and be arranged on described cooling water pipeline; Described cooling water pipeline by described distance increasing unit to ensure that distance increasing unit is operated in the temperature range of trouble free service.
4. the system according to claim 1-3 any one, is characterized in that, also comprises:
Ventilation subsystem, for carrying out ventilation to the test environment of described distance increasing unit, to ensure that described distance increasing unit normally works required environment temperature.
5. system according to claim 1, is characterized in that, also comprises:
The host computer be connected with described controller.
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| CN103424267B (en) * | 2013-08-23 | 2017-05-24 | 重庆长安汽车股份有限公司 | Model identification experimental system of range extender and method for acquiring parameters of range extender |
| CN105890910B (en) * | 2016-05-06 | 2018-09-11 | 北京新能源汽车股份有限公司 | Distance increasing unit engine bench test and scaling method and system for electric vehicle |
| CN106249079A (en) * | 2016-08-26 | 2016-12-21 | 丽水博远科技有限公司 | A kind of Auto-Test System of infrared distance increasing unit |
| CN108528227B (en) * | 2018-03-23 | 2024-04-30 | 苏州弗尔赛能源科技股份有限公司 | Electric automobile range extender control system and control method and electric automobile |
| CN109459083B (en) * | 2018-09-14 | 2021-01-15 | 武汉科技大学 | Range-extending type electric vehicle fault diagnosis experiment platform |
| CN109342071A (en) * | 2018-09-14 | 2019-02-15 | 武汉科技大学 | A kind of range extender of electric vehicle coupling fault analog platform |
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| US7224132B2 (en) * | 2004-01-22 | 2007-05-29 | Wavecrest Laboratories, Llc. | Portable range extender operable in automatic and manual modes |
| CN102608461B (en) * | 2012-03-14 | 2015-09-30 | 重庆长安汽车股份有限公司 | A kind of pilot system of distance increasing unit of electric automobile and test method |
| CN102756664B (en) * | 2012-06-29 | 2014-12-31 | 重庆小康工业集团股份有限公司 | Range extender for electric vehicle and control method of range extender |
| CN102830680A (en) * | 2012-09-11 | 2012-12-19 | 安徽江淮汽车股份有限公司 | Remote monitoring controller for hybrid power vehicle |
| CN203084110U (en) * | 2012-12-30 | 2013-07-24 | 长春易控汽车电子有限公司 | Distance increasing device testing system |
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