CN214267366U

CN214267366U - Power management device with slow charging and range extending functions for logistics vehicle

Info

Publication number: CN214267366U
Application number: CN202022420134.2U
Authority: CN
Inventors: 张吉军; 密刚刚; 黄啸
Original assignee: Shanghai Yikong Power System Co ltd
Current assignee: Shanghai Yikong Power System Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-09-24
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses a formula commodity circulation car power management device is extended to area fills slowly, power management device includes the group battery, the key switch, charge machine controller, engine controller, machine controller, automobile body controller, the instrument control ware, whole car awakens up the relay, charge and awaken the relay, whole vehicle controller, high pressure changes low voltage controller, high voltage battery management controller, on-vehicle controller that fills slowly, surge protector, overload protection circuit breaker, short-circuit protection circuit breaker and fill electric pile at a slow speed, the cooperation of above module is used and is carried out pure electric commodity circulation car and start, charge at a slow speed and dormancy. The utility model discloses realize charging at a slow speed, fill electric pile and on-vehicle at a slow speed and increase surge protector, overload protection circuit breaker and short-circuit protection circuit breaker between the controller with filling slowly, reduce the electric current impact through surge protector at a slow speed in the charging process, restrain the high frequency harmonic, in time trigger the action and cut off power supply, the lightning protection is lightning-arrest, protection electrical equipment.

Description

Power management device with slow charging and range extending functions for logistics vehicle

Technical Field

The utility model relates to an electric automobile technical field that charges, in particular to area fills increase form commodity circulation car power management device slowly and is applied to this power management device's power management method.

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, a pure electric logistics vehicle is basically configured with a slow charging function, but the service life of a high-voltage battery and the service time and frequency of the pure electric logistics vehicle are considered, and the power output and charging of the pure electric vehicle need to be efficiently managed.

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 the stake of slowly charging, because long time or frequent plug, lead to induced-current or voltage load transient increase, cause great surge, damage electrical equipment easily, 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 paralysis extremely easily, power supply unit 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 charge increase form commodity circulation car power management device slowly in area uses this power management device after, fill electric pile and on-vehicle at a slow speed and increase surge protector, overload protection circuit breaker and short-circuit protection circuit breaker slowly between the controller, can reduce the current impact through surge protector at a slow speed in the charging process, restrain the high-frequency harmonic influence, in time trigger the disconnection action and cut off the power supply, the lightning protection is lightning-arrest, thereby electric pile and electric vehicle's power supply unit is filled in the protection.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a take logistics vehicle power management device of increasing form of slowly charging, 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 slow charging controller and with the supporting slow speed of using of power management device fills electric pile, the one end of key switch with the group battery electricity is connected, 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 are connected, the signal output part ground connection of whole car awaken relay, the strong current input end of the whole vehicle wake-up relay is electrically connected with the battery pack, the strong current output end of the whole vehicle wake-up 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 wake-up relay through a second wake-up signal line respectively, the strong current output end of the charging wake-up relay is electrically connected with the strong current input end of the whole 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, 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 input end of the vehicle-mounted slow charging controller through a third wake-up signal line, and the output end of the vehicle-mounted slow charging pile 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 power supply management device also comprises a surge protector, an overload protection circuit breaker and a short-circuit protection circuit breaker, wherein the surge protector, the overload protection circuit breaker and the short-circuit protection circuit breaker are electrically connected between the vehicle-mounted slow charging controller and the slow charging pile;

overload protection circuit breaker with short-circuit protection circuit breaker establish ties after and with surge protector connects in parallel, overload protection circuit breaker with short-circuit protection circuit breaker all is equipped with a signal feedback end, two the signal feedback end all with be connected with logic device's input, with logic device's output electricity be connected one slowly charge unusual alarm, slowly charge unusual alarm for audible and visual alarm suggestion.

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 charging machine controller, an engine controller, a motor controller, a vehicle body controller and an instrument controller, wherein the charging machine 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, and the slow charging pile is electrically connected with the vehicle-mounted slow charging controller in series.

The utility model has the advantages that:

the utility model discloses an increase a whole car between key switch and the relevant controller of fast, slow charging (for example whole car controller, high pressure change low voltage controller, on-vehicle slow charging controller, high-voltage battery management controller) and awaken the relay, when carrying out the slow charging to pure electric motor class car, isolate other controllers, prevent that other controllers (for example the charger controller, the engine controller, the motor controller, the automobile body controller and the instrument controller) from awakening up;

secondly, the utility model discloses a charge between high-voltage battery management controller and the controller that slowly charges relevant (for example vehicle control unit, high pressure change low pressure controller) and awaken the relay, awaken the controller that slowly charges relevant (for example vehicle control unit, high pressure change low pressure controller), add a charge between high-voltage battery management controller and the controller that slowly charges relevant (for example vehicle control unit, high pressure change low pressure controller, on-vehicle controller) and awaken the relay, awaken the controller that slowly charges relevant (for example vehicle control unit, high pressure change low pressure controller, on-vehicle controller), support the slow charging function, realize slowly charging;

thirdly, the utility model discloses on the basis of the power management device of the slow speed function of charging, a small amount of changes have been carried out, increased the journey ware (for example charge machine controller, engine controller), can carry out real time monitoring to the state of filling electric pile and engine, and increase surge protector, overload protection circuit breaker and short-circuit protection circuit breaker between slow speed filling electric pile and the on-vehicle slow speed controller of filling, when current overload or circuit short circuit appear in the slow speed charging process, can reduce the current impact through surge protector, restrain the high frequency harmonic influence, play the effect of lightning protection, overload protection circuit breaker and short-circuit protection circuit breaker can in time trigger the disconnection action and cut off the power supply and send out the audible-visual alarm suggestion simultaneously, protect the power supply equipment of filling electric pile and electric vehicle;

four, the utility model discloses power management device supports the function of charging at a slow speed, can keep original power management device's technical advantage simultaneously: the controller related to the necessary 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 a schematic structural diagram of a power management device of a logistics vehicle with slow charging and range extending functions according to the present invention;

FIG. 2 is a state diagram of the wake-up signal line of the slow charging process of the present invention;

FIG. 3 is a diagram showing a change of signal lines when a driver operates a key switch according to the present invention;

the parts in the drawings are marked as follows:

the system 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 wake-up relay 8, a charge 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 charge controller 13, a surge protector 14, an overload protection circuit breaker 15, a short-circuit protection circuit breaker 16, a slow charge pile 17, a first wake-up signal line 18, a second wake-up signal line 19, a third wake-up signal line 20, a fourth wake-up signal line 21, a starting signal line 22, a cooling water pump 23, a pull-up resistor 24, a slow charge abnormal alarm 25 and a logic device 26.

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 slow charging and range extending logistics vehicle is disclosed, as shown in fig. 1-3, and is characterized in that: the power supply 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 and a slow charging pile 17 matched with the power supply management device for use, wherein 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 and electrically connected with the signal input ends of the charger controller, the engine controller, the motor controller, the vehicle body controller and the instrument controller through a first awakening signal line 18, the signal output end of the whole vehicle awakening relay is grounded, the strong current input end of the whole vehicle wake-up relay is electrically connected with the battery pack, the strong current output end of the whole vehicle wake-up 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 wake-up relay through a second wake-up signal line 19 respectively, the strong current output end of the charging wake-up relay is electrically connected with the strong current input end of the whole 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, 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 input end of the vehicle-mounted slow charging controller through a third wake-up signal line 20, and the output end of the vehicle-mounted slow charging controller is electrically connected with the slow charging pile through a fourth wake-up signal line 21, the Start end is electrically connected with the input end of the vehicle controller through a starting signal wire 22, and the output end of the vehicle controller is electrically connected with the strong current input end of the charging wake-up relay;

the power management device also comprises a surge protector 14, an overload protection circuit breaker 15 and a short-circuit protection circuit breaker 16, wherein the surge protector, the overload protection circuit breaker and the short-circuit protection circuit breaker are electrically connected between the vehicle-mounted slow charging controller and the slow charging pile;

overload protection circuit breaker with short-circuit protection circuit breaker establish ties after and with surge protector is parallelly connected, overload protection circuit breaker with short-circuit protection circuit breaker all is equipped with a signal feedback end, two the signal feedback end all with be connected with logic device 26's input, with logic device's output electricity be connected one and slowly fill unusual alarm 25, slowly fill unusual alarm for audible and visual alarm suggestion.

The power management device comprises a cooling water pump 23, 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 24 for pulling up the electrical 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 which are all connected in parallel and electrically, wherein the vehicle controller, the high-voltage-to-low-voltage controller, the vehicle-mounted slow charging controller and a charging wake-up relay are all connected in parallel and electrically, and the slow charging pile is connected with the vehicle-mounted slow charging 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 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 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.

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

1. The utility model provides a take slow charging to increase form commodity circulation car power management device which characterized in that: the power supply 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 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-charge controller (13) and a slow-speed charging pile (17) matched with the power supply management device for use, wherein 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 and electrically connected with the charger controller, the engine controller, the motor controller, the vehicle body controller and a signal input end of the instrument controller through a first wake-up signal wire (18), 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 respectively and 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 (19), 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 input end of the vehicle-mounted slow charging controller through a third awakening signal line (20), the output end of the vehicle-mounted slow charging controller is electrically connected with the slow charging pile through a fourth wake-up signal line (21), the Start end is electrically connected with the input end of the vehicle controller through a starting signal line (22), and the output end of the vehicle controller is electrically connected with the strong current input end of the charging wake-up relay;

the power management device also comprises a surge protector (14), an overload protection circuit breaker (15) and a short-circuit protection circuit breaker (16), wherein the surge protector, the overload protection circuit breaker and the short-circuit protection circuit breaker are electrically connected between the vehicle-mounted slow charging controller and the slow charging pile;

overload protection circuit breaker with short-circuit protection circuit breaker establish ties after and with surge protector is parallelly connected, overload protection circuit breaker with short-circuit protection circuit breaker all is equipped with a signal feedback end, two the signal feedback end all with be connected with the input of logic device (26), with the output electricity of logic device (26) one fill unusual alarm (25) slowly, fill unusual alarm slowly for audible and visual alarm suggestion.

2. The power management device of the logistics vehicle with slow charging and range extending functions as claimed in claim 1, wherein: the power management device comprises a cooling water pump (23), 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 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 (24) for pulling up the electrical level.

4. The power management device of the logistics vehicle with slow charging and range extending functions as claimed in claim 1, wherein: the vehicle-mounted slow 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 slow charging controller and a charging wake-up relay are all connected in parallel and electrically, and the slow charging pile is connected with the vehicle-mounted slow charging controller in series and electrically.