CN214267367U - Power management device with fast and slow charging and range increasing functions for logistics vehicle - Google Patents
Power management device with fast and slow charging and range increasing functions for logistics vehicle Download PDFInfo
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- CN214267367U CN214267367U CN202022425324.3U CN202022425324U CN214267367U CN 214267367 U CN214267367 U CN 214267367U CN 202022425324 U CN202022425324 U CN 202022425324U CN 214267367 U CN214267367 U CN 214267367U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model discloses a take fast and slow to fill increase form commodity circulation car power management device, power management device include group battery, key switch, charge machine controller, engine controller, machine controller, automobile body controller, instrument controller, whole car awaken up relay, charge and awaken up relay, whole vehicle controller, high pressure change low voltage controller, high voltage battery management controller, on-vehicle controller, overload protection circuit breaker, short-circuit protection circuit breaker of filling slowly, with the supporting quick charge stake and the slow speed of using of power management device fill electric pile, the module cooperation is used to carry out pure electric commodity circulation car function key switch, quick charge, charge slowly, dormancy, overload protection and short-circuit protection above. The utility model discloses realize quick charging and charge at a slow speed, keep original power management device's technical advantage, improve charge efficiency, extension high voltage battery's life realizes overload protection and short-circuit protection, avoids filling the power management device damage of electric pile and automobile body.
Description
Technical Field
The utility model relates to an electric automobile technical field that charges, in particular to increase form commodity circulation car power management device and be applied to this power management device's power management method fast fill slowly in area.
Background
Because the pure electric logistics vehicles need to travel more mileage every day, the pure electric logistics vehicles are basically equipped with a quick charging function. The quick charging function can realize that more electric quantity is charged into the high-voltage battery in a shorter time.
At present, the pure electric logistics vehicles are basically configured with fast and slow charging functions, but the service life of a high-voltage battery and the service time and frequency of the pure electric logistics vehicles are considered, and efficient management needs to be carried out on power output and charging of the pure electric vehicles.
Most pure electric vehicles all lack the high-efficient management in the aspect of the power to battery charging outfit and engine at present to when pure electric motor class car charges through fast, the slow charging stake, because long time or frequent plug, lead to induced-current or voltage load transient increase, also exist because of power management device's ageing or performance instability, lead to the emergence of the condition such as circuit short circuit, make power management device paralyse extremely easily, power device damages, cause to fill electric pile and automobile body and take place the possibility of conflagration or battery explosion.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model provides a fast increase form commodity circulation car power management device that fills slowly in area, use this power management device after, realize that pure electric commodity circulation car charges fast and charges at a slow speed, keep original power management device's technical advantage, improve pure electric commodity circulation car's charge efficiency, the life of extension high-voltage battery and pure electric commodity circulation car's live time, realize overload protection and short-circuit protection, in time trigger the warning suggestion, avoid filling electric pile and automobile body power management device damage.
In order to solve the technical problem, the utility model discloses a technical scheme is:
the utility model provides a commodity circulation car power management device that increases form soon charges, power management device includes group battery, key switch, charger controller, engine controller, machine controller, automobile body controller, appearance controller, whole car awaken relay, charge awaken relay, whole car controller, high pressure change low voltage controller, high voltage battery management controller, On-vehicle controller that charges slowly, overload protection circuit breaker, short-circuit protection circuit breaker, with the supporting quick charging pile and the slow charging pile who uses of power management device, one end of key switch is connected with the group battery electricity, the other end of key switch is equipped with Off end, On end and Start end, On end through first awaken signal line respectively with charger controller, engine controller, machine controller, automobile body controller and the signal input part electricity of appearance controller, the signal output end of the whole vehicle awakening relay is grounded, the strong current input end of the whole vehicle awakening relay is electrically connected with the battery pack, the strong current output end of the whole vehicle awakening relay is electrically connected with the whole vehicle controller, the high-voltage to low-voltage controller, the input end of the vehicle-mounted slow charging controller, the input end of the high-voltage battery management controller and the strong current input end of the charging awakening relay through a second awakening signal line respectively, the strong current output end of the charging awakening relay is electrically connected with the strong current input end of the whole vehicle awakening relay, the signal input end of the charging awakening relay is connected with the output end of the high-voltage battery management controller, the signal output end of the charging awakening relay is grounded, and the input end of the high-voltage battery management controller is electrically connected with the rapid charging pile through a third awakening signal line, the input end of the high-voltage battery management controller is electrically connected with the output end of the vehicle-mounted slow charging controller through a fifth wake-up signal line, the input end of the vehicle-mounted slow charging controller is electrically connected with the slow charging pile through a fourth wake-up signal line, the Start end is electrically connected with the input end of the vehicle control unit through a starting signal line, and the output end of the vehicle control unit is electrically connected with the strong current input end of the charging wake-up relay;
the overload protection circuit breaker is provided with two overload input channels and one overload output channel, wherein one overload input channel is electrically connected to the third wake-up signal line in series, and the other overload input channel is electrically connected to the fourth wake-up signal line in series and used for triggering the disconnection action to cut off a power supply in an overload manner;
the short-circuit protection circuit breaker is provided with two short-circuit input channels and one short-circuit output channel, one short-circuit input channel is electrically connected to the third wake-up signal line in series, and the other short-circuit input channel is electrically connected to the fourth wake-up signal line in series and used for triggering a disconnection action to cut off a power supply in a short circuit;
the charging alarm device is characterized in that one overload output channel of the overload protection circuit breaker and one short circuit output channel of the short circuit protection circuit breaker are electrically connected with the input end of an OR logic device, the output end of the OR logic device is electrically connected with a charging abnormity alarm, and the charging abnormity alarm is used for audible and visual alarm prompting.
The utility model discloses a solve its technical problem, the further technical scheme who adopts is:
the power management device comprises a cooling water pump, the cooling water pump is connected with the vehicle control unit, and the vehicle control unit is used for judging the vehicle state and controlling the cooling water pump to cool the high-voltage to low-voltage controller.
Furthermore, the whole vehicle wake-up relay and the charging wake-up relay are both provided with pull-up resistors for pulling up the level.
The vehicle-mounted slow charging system comprises a charger controller, an engine controller, a motor controller, a vehicle body controller and an instrument controller, wherein the charger controller, the engine controller, the motor controller, the vehicle body controller and the instrument controller are all electrically connected in parallel, the vehicle controller, the high-voltage-to-low-voltage controller, the vehicle-mounted slow charging controller and a charging wake-up relay are all electrically connected in parallel, the fast charging pile is electrically connected with the high-voltage battery management controller in series, and the slow charging pile is electrically connected with the slow controller in series.
Further, the key switch is switched to the Off end from the non-Off end, the first awakening signal line is pulled down to the electrical level, the charger controller, the engine controller, the motor controller, the vehicle body controller and the instrument controller are not awakened, the whole vehicle awakening relay does not perform actions, the second awakening signal line is pulled down to the electrical level, the whole vehicle controller, the high-voltage-to-low-voltage controller, the vehicle-mounted slow-charging controller and the high-voltage battery management controller are not awakened, and the pure electric vehicle starts to sleep.
The utility model has the advantages that:
the utility model discloses an increase a whole car between key switch and fast, fill relevant controller slowly (for example whole car controller, high pressure change low pressure controller, on-vehicle fill controller slowly, high-voltage battery management controller), when carrying out quick charge or the slow charging for pure electric logistics car, isolated other controllers, prevent that other controllers (for example charge machine controller, engine controller, machine controller, automobile body controller and instrument controller) from awakening up;
secondly, the utility model discloses an increase a charge between high-voltage battery management controller and the relevant controller of fast charge (for example vehicle control unit, high pressure change low pressure controller) and awaken the relay, awaken the relevant controller of fast charge (for example vehicle control unit, high pressure change low pressure controller), increase a charge between high-voltage battery management controller and the relevant controller of slow charge (for example vehicle control unit, high pressure change low pressure controller, on-vehicle slow charge controller) and awaken the relay, awaken the relevant controller of slow charge (for example vehicle control unit, high pressure change low pressure controller, on-vehicle slow charge controller), support quick, the slow speed function of charging, realize the switching efficiency of slow charge and quick charge;
thirdly, the utility model discloses on the basis of the power management device who has the quick charge function, a small amount of changes have been carried out, increased the range extender (for example charge machine controller, engine controller), can carry out real time monitoring to the state of filling electric pile and engine, and all increase overload protection circuit breaker and short-circuit protection circuit breaker between quick charging pile and high-voltage battery management controller, between slow charging pile and the on-vehicle slow charging controller, realize overload and short-circuit cross monitoring, when current overload or circuit short circuit appear in the charging process, can in time trigger the power failure and send the audible and visual warning suggestion, thereby protection fills electric pile and electric motor car power supply unit;
fourth, the utility model discloses power management device supports quick, the function of charging at a slow speed, can keep original power management device's technical advantage simultaneously: the controller related to quick and slow charging is only awakened to work, so that the electric loss of the low-voltage end of the pure electric logistics vehicle is reduced, the charging efficiency of the pure electric logistics vehicle is improved, the service life of the high-voltage battery is prolonged, and the service life of the pure electric logistics vehicle is prolonged.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is an electrical schematic diagram of a power management device of a logistics vehicle with fast and slow charging and range extending functions.
Fig. 2 is a signal state table of wake-up signal line in the key switch switching process of the pure electric animal flow vehicle.
Fig. 3 is a signal state table of the wake-up signal line in the fast charging process of the pure electric vehicle.
Fig. 4 is a signal state table of the wake-up signal line in the slow charging process of the present invention.
The parts in the drawings are marked as follows:
the charging system comprises a battery pack 1, a key switch 2, a charging machine controller 3, an engine controller 4, a motor controller 5, a vehicle body controller 6, an instrument controller 7, a whole vehicle wake-up relay 8, a charging wake-up relay 9, a whole vehicle controller 10, a high-voltage to low-voltage controller 11, a high-voltage battery management controller 12, a vehicle-mounted slow charging controller 13, an overload protection circuit breaker 14, a short-circuit protection circuit breaker 15, a fast charging pile 16, a slow charging pile 17, a first wake-up signal line 18, a second wake-up signal line 19, a third wake-up signal line 20, a fifth wake-up signal line 21, a fourth wake-up signal line 22, a starting signal line 23, a cooling water pump 24, a pull-up resistor 25, or a logic device 26 and a charging abnormity alarm 27.
Detailed Description
The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.
Examples
A power management device with a fast and slow charging function and an extended range type logistics vehicle is shown in figures 1-4 and comprises a battery pack 1, a key switch 2, a charger controller 3, an engine controller 4, a motor controller 5, a vehicle body controller 6, an instrument controller 7, a vehicle wake-up relay 8, a charge wake-up relay 9, a vehicle controller 10, a high-voltage to low-voltage controller 11, a high-voltage battery management controller 12, a vehicle-mounted slow charging controller 13, an overload protection circuit breaker 14, a short-circuit protection circuit breaker 15, a fast charging pile 16 and a slow charging pile 17, wherein the fast charging pile 16 and the slow charging pile 17 are matched with the power management device for use, one end of the key switch is electrically connected with the battery pack, the other end of the key switch is provided with an Off end, an On end and a Start end, and the On end is respectively connected with the charger controller, the engine controller and the slow charging pile 17 through a first wake-up signal line 18, The signal input ends of the motor controller, the vehicle body controller and the instrument controller are electrically connected, the signal output end of the vehicle wake-up relay is grounded, the strong current input end of the vehicle wake-up relay is electrically connected with the battery pack, the strong current output end of the vehicle wake-up relay is respectively and electrically connected with the vehicle controller, the high-voltage to low-voltage controller, the input end of the vehicle-mounted slow charging controller, the input end of the high-voltage battery management controller and the strong current input end of the charging wake-up relay through a second wake-up signal wire 19, the strong current output end of the charging wake-up relay is electrically connected with the strong current input end of the vehicle wake-up relay, the signal input end of the charging wake-up relay is connected with the output end of the high-voltage battery management controller, and the signal output end of the charging wake-up relay is grounded, the input end of the high-voltage battery management controller is electrically connected with the fast charging pile through a third wake-up signal line 20, the input end of the high-voltage battery management controller is electrically connected with the output end of the vehicle-mounted slow charging controller through a fifth wake-up signal line 21, the input end of the vehicle-mounted slow charging controller is electrically connected with the slow charging pile through a fourth wake-up signal line 22, the Start end is electrically connected with the input end of the whole vehicle controller through a Start signal line 23, and the output end of the whole vehicle controller is electrically connected with the strong current input end of the charging wake-up relay;
the overload protection circuit breaker is provided with two overload input channels and one overload output channel, wherein one overload input channel is electrically connected to the third wake-up signal line in series, and the other overload input channel is electrically connected to the fourth wake-up signal line in series and used for triggering the disconnection action to cut off a power supply in an overload manner;
the short-circuit protection circuit breaker is provided with two short-circuit input channels and one short-circuit output channel, one short-circuit input channel is electrically connected to the third wake-up signal line in series, and the other short-circuit input channel is electrically connected to the fourth wake-up signal line in series and used for triggering a disconnection action to cut off a power supply in a short circuit;
the overload protection circuit breaker is characterized in that one overload output channel of the overload protection circuit breaker and one short circuit output channel of the short circuit protection circuit breaker are electrically connected with the input end of an OR logic device 26, the output end of the OR logic device is electrically connected with a charging abnormity alarm 27, and the charging abnormity alarm is used for audible and visual alarm prompting.
The power management device comprises a cooling water pump 24, the cooling water pump is connected with the vehicle control unit, and the vehicle control unit is used for judging the vehicle state and controlling the cooling water pump to cool the high-voltage-to-low-voltage controller.
The whole vehicle wake-up relay and the charging wake-up relay are both provided with a pull-up resistor 25 for pulling up the electrical level.
The vehicle-mounted low-voltage charging system comprises a charger controller, an engine controller, a motor controller, a vehicle body controller and an instrument controller which are all connected in parallel and electrically, wherein the vehicle controller, the high-voltage-to-low-voltage controller, the vehicle-mounted low-voltage charging controller and a charging wake-up relay are all connected in parallel and electrically, a rapid charging pile is connected with a high-voltage battery management controller in series and a slow charging pile is connected with a slow controller in series and electrically.
The utility model discloses a working process and theory of operation are following:
starting a power management mode in a driving state:
firstly, a key switch is switched from an Off end to a non-Off end, the first wake-up signal line is pulled up to a high level, and the charger controller, the engine controller, the motor controller, the vehicle body controller and the instrument controller are awakened;
then, the first awakening signal line pulls up the level of the second awakening signal line through the whole vehicle awakening relay to awaken the whole vehicle controller, the high-voltage-to-low-voltage controller, the vehicle-mounted slow charging controller and the high-voltage battery management controller;
and finally, the vehicle control unit judges the state of the starting signal line and executes the starting action of the pure electric logistics vehicle.
Power management mode in fast charge state:
firstly, a key switch is switched from a non-Off end to an Off end, the first wake-up signal line is pulled down to a low level, the charger controller, the engine controller, the motor controller, the vehicle body controller and the instrument controller are not wakened up, the vehicle wake-up relay does not perform actions, the second wake-up signal line is pulled down to a low level, and the vehicle controller, the high-voltage to low-voltage controller, the vehicle-mounted slow charging controller and the high-voltage battery management controller are not wakened up;
then, when the rapid charging pile is pulled to be high through the third wake-up signal line, the high-voltage battery management controller is awakened;
then, the high-voltage battery management controller judges the charging requirement of the pure electric logistics vehicle and executes the charging request of the pure electric logistics vehicle;
and finally, the charging awakening relay pulls up the level of the second awakening signal line to awaken the vehicle control unit and the high-voltage-to-low-voltage controller, so that the pure electric vehicle starts to be charged quickly.
Power management mode in slow charge state:
firstly, a key switch is switched from a non-Off end to an Off end, the first wake-up signal line is pulled down to a low level, the charger controller, the engine controller, the motor controller, the vehicle body controller and the instrument controller are not wakened up, the vehicle wake-up relay does not perform actions, the second wake-up signal line is pulled down to a low level, and the vehicle controller, the high-voltage to low-voltage controller, the vehicle-mounted slow charging controller and the high-voltage battery management controller are not wakened up;
then, when the low-speed charging pile is pulled to be high through the fourth wake-up signal line, the vehicle-mounted slow charging controller is woken up;
then, the vehicle-mounted slow charging controller pulls high level through the fifth wake-up signal line to wake up the high-voltage battery management controller;
then, the high-voltage battery management controller judges the charging requirement of the pure electric logistics vehicle and executes the charging request of the pure electric logistics vehicle;
and finally, the charging awakening relay pulls up the level of the second awakening signal line to awaken the whole vehicle controller and the high-voltage-to-low-voltage controller to start slow charging.
Power management mode in sleep state:
the key switch is switched to an Off end from a non-Off end, the first awakening signal line is pulled down to a low level, the charger controller, the engine controller, the motor controller, the vehicle body controller and the instrument controller are not awakened, the whole vehicle awakening relay does not perform actions, the second awakening signal line is pulled down to a low level, the whole vehicle controller, the high-voltage-to-low-voltage controller, the vehicle-mounted slow-charging controller and the high-voltage battery management controller are not awakened, and the pure electric vehicle starts to sleep.
Open circuit protection alarm mode:
when the overload protection circuit breaker or the short-circuit protection circuit breaker monitors current overload or circuit short circuit in a slow charging process or a fast charging process, the current is increased in a short time, and when the current exceeds a specified current increment threshold value, the overload protection circuit breaker or the short-circuit protection circuit breaker cuts off a corresponding power supply, breaks a circuit, and sends out an audible and visual alarm prompt in real time.
The above is only the embodiment of the present invention, not so above only is the embodiment of the present invention, not so limiting the patent scope of the present invention, all of which utilize the equivalent structure made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, all of which are included in the patent protection scope of the present invention.
Claims (4)
1. The utility model provides a fast slow-charging increases form commodity circulation car power management device which characterized in that: the power management device comprises a battery pack (1), a key switch (2), a charger controller (3), an engine controller (4), a motor controller (5), a vehicle body controller (6), an instrument controller (7), a whole vehicle awakening relay (8), a charging awakening relay (9), a whole vehicle controller (10), a high-voltage-to-low-voltage controller (11), a high-voltage battery management controller (12), a vehicle-mounted slow charging controller (13), an overload protection circuit breaker (14), a short-circuit protection circuit breaker (15), a fast charging pile (16) and a slow charging pile (17) which are matched with the power management device for use, one end of the key switch is electrically connected with the battery pack, the other end of the key switch is provided with an Off end, an On end and a Start end, the On end is respectively connected with the charger controller through a first awakening signal line (18), The signal input ends of the engine controller, the motor controller, the vehicle body controller and the instrument controller are electrically connected, the signal output end of the vehicle wake-up relay is grounded, the strong current input end of the vehicle wake-up relay is electrically connected with the battery pack, the strong current output end of the vehicle wake-up relay is respectively and electrically connected with the vehicle controller, the high-voltage to low-voltage controller, the input end of the vehicle slow-charge controller, the input end of the high-voltage battery management controller and the strong current input end of the charge wake-up relay through a second wake-up signal line (19), the strong current output end of the charge wake-up relay is electrically connected with the strong current input end of the vehicle wake-up relay, the signal input end of the charge wake-up relay is connected with the output end of the high-voltage battery management controller, and the signal output end of the charge wake-up relay is grounded, the input end of the high-voltage battery management controller is electrically connected with the fast charging pile through a third wake-up signal line (20), the input end of the high-voltage battery management controller is electrically connected with the output end of the vehicle-mounted slow charging controller through a fifth wake-up signal line (21), the input end of the vehicle-mounted slow charging controller is electrically connected with the slow charging pile through a fourth wake-up signal line (22), the Start end is electrically connected with the input end of the whole vehicle controller through a starting signal line (23), and the output end of the whole vehicle controller is electrically connected with the strong current input end of the charging wake-up relay;
the overload protection circuit breaker is provided with two overload input channels and one overload output channel, wherein one overload input channel is electrically connected to the third wake-up signal line in series, and the other overload input channel is electrically connected to the fourth wake-up signal line in series and used for triggering the disconnection action to cut off a power supply in an overload manner;
the short-circuit protection circuit breaker is provided with two short-circuit input channels and one short-circuit output channel, one short-circuit input channel is electrically connected to the third wake-up signal line in series, and the other short-circuit input channel is electrically connected to the fourth wake-up signal line in series and used for triggering a disconnection action to cut off a power supply in a short circuit;
overload protection circuit breaker's overload output channel all the way with short-circuit protection circuit breaker's short-circuit output channel all the way electricity is connected one or the input of logic device (26), or logic device's output electricity is connected one and is charged unusual alarm (27), it is used for audible-visual annunciation to indicate to charge unusual alarm.
2. The power management device of the logistics vehicle with fast and slow charging and range extending functions as claimed in claim 1, wherein: the power management device comprises a cooling water pump (24), the cooling water pump is connected with the vehicle control unit, and the vehicle control unit is used for judging the vehicle state and controlling the cooling water pump to cool the high-voltage-to-low-voltage controller.
3. The power management device of the logistics vehicle with fast and slow charging and range extending functions as claimed in claim 1, wherein: the whole vehicle awakening relay and the charging awakening relay are both provided with pull-up resistors (25) for pulling up the electrical level.
4. The power management device of the logistics vehicle with fast and slow charging and range extending functions as claimed in claim 1, wherein: the vehicle-mounted low-voltage charging system comprises a charger controller, an engine controller, a motor controller, a vehicle body controller and an instrument controller which are all connected in parallel and electrically, wherein the vehicle controller, the high-voltage-to-low-voltage controller, the vehicle-mounted low-voltage charging controller and a charging wake-up relay are all connected in parallel and electrically, a rapid charging pile is connected with a high-voltage battery management controller in series and a slow charging pile is connected with a slow controller in series and electrically.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022425324.3U CN214267367U (en) | 2020-10-27 | 2020-10-27 | Power management device with fast and slow charging and range increasing functions for logistics vehicle |
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| CN202022425324.3U CN214267367U (en) | 2020-10-27 | 2020-10-27 | Power management device with fast and slow charging and range increasing functions for logistics vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224045A (en) * | 2020-10-27 | 2021-01-15 | 上海伊控动力系统有限公司 | Power management device and power management method for logistics vehicle with fast and slow charging and range extending functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112224045A (en) * | 2020-10-27 | 2021-01-15 | 上海伊控动力系统有限公司 | Power management device and power management method for logistics vehicle with fast and slow charging and range extending functions |
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