CN218054916U - Processing device for preventing low-voltage battery feed of electric logistics vehicle - Google Patents
Processing device for preventing low-voltage battery feed of electric logistics vehicle Download PDFInfo
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- CN218054916U CN218054916U CN202122001061.8U CN202122001061U CN218054916U CN 218054916 U CN218054916 U CN 218054916U CN 202122001061 U CN202122001061 U CN 202122001061U CN 218054916 U CN218054916 U CN 218054916U
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- 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
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- 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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Abstract
The utility model discloses a prevent processing apparatus of electronic commodity circulation car low voltage battery feed, including group battery, key switch, driving motor 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 fill the controller slowly, fill a stake slowly, start all-in-one controller and engine controller charge, above module cooperation is used and is carried out electronic commodity circulation car and start, dormancy and fill work slowly. The utility model discloses awakening up the line and increasing whole car between the relevant controller of filling slowly at whole car and awakening up the relay, preventing that other controllers from being awaken up, high-voltage battery management controller awakens up the relay through charging, awakens up other and fills relevant controller slowly, and the function is filled slowly in the cooperation completion, and interval time monitoring group battery is the feed, regularly detects the group battery state, avoids the feed to take place.
Description
Technical Field
The utility model relates to an electric automobile technical field that charges, in particular to prevent processing apparatus of range extending formula electronic logistics vehicle low voltage battery feed.
Background
For the extended range type electric logistics vehicle, the vehicle has long service life and high frequency, and the low-voltage battery pack (12V) is charged during the running and charging processes of the vehicle, so the low-voltage battery of the vehicle rarely has a feeding phenomenon. Therefore, the existing extended range logistics vehicle basically has no function of automatically charging when the low-voltage battery pack is insufficient in electric quantity.
At present, if the development cost is increased due to the addition of the function of automatically charging the low-voltage battery pack on the extended-range logistics vehicle, the measure is of little significance. However, the electric logistics vehicle is idle, and if a power supply processing device is provided, the function of automatically charging the low-voltage battery pack is added on the basis of meeting the use requirement of the vehicle, the development cost cannot be additionally increased, and the practicability and the selling point of the vehicle can be increased.
SUMMERY OF THE UTILITY MODEL
The problem to prior art exists, the utility model provides a prevent processing apparatus of electronic commodity circulation car low voltage battery feed, use this processing apparatus after, wake up the line and slowly charge and increase a whole car between the relevant controller at whole car and wake up the relay, when filling slowly, isolated other controllers, prevent that other controllers from being awaken up, when filling slowly, fill a little and wake up on-vehicle controller that fills slowly, on-vehicle controller that fills slowly awakens up high-voltage battery management controller again, high-voltage battery management controller awakens up the relay through one charges, awaken other relevant controllers that fill slowly, the cooperation is accomplished and is filled slowly the function, high-voltage battery management module is from awakening up the module with the help of the clock of whole car controller, under whole car Off state, the interval fixed time, whole car controller is from monitoring whether the feed of group battery, can regularly detect the group battery state, when the group battery electric quantity is low, closed high-voltage loop charges for the group battery, detect group battery and oil mass amount simultaneously, start the engine through engine controller, charge for the group battery through the engine, can awaken up from coming from monitoring whether the feed, detect the feed in time, avoid the feed to take place.
In order to solve the technical problem, the utility model adopts the technical scheme that:
the processing device comprises a battery pack, a key switch, a driving motor controller, a vehicle body controller, an instrument controller, a whole vehicle awakening relay, a charging awakening relay, a whole vehicle controller, a high-voltage-to-low-voltage controller, a high-voltage battery management controller, a vehicle-mounted slow charging controller, a slow charging pile, a starting and charging integrated machine controller and an engine controller;
one end of the key switch is electrically connected with the battery pack, and the other end of the key switch is provided with an Off end, an On end and a Start end;
the On end is electrically connected with the signal input ends of the driving motor controller, the vehicle body controller, the instrument controller and the whole vehicle awakening relay through a first awakening signal line respectively, 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 input end of the whole vehicle controller, the input end of the high-voltage-to-low-voltage controller, the input end of the high-voltage battery management controller, the input end of the vehicle-mounted slow-charge controller, the input end of the starting-charging integrated machine controller and the input end of the engine controller through a second awakening signal line respectively, the output end of the vehicle-mounted slow-charge controller is electrically connected with the slow-charge pile through a third awakening signal line, the output end of the high-voltage battery management controller is electrically connected with the input end of the vehicle-mounted slow-charge controller through a fourth awakening signal line, the strong current input end of the charging awakening relay is electrically connected with the strong current output end of the whole vehicle awakening relay through the second awakening signal line, and the signal output end of the whole vehicle awakening relay is electrically connected with the ground-vehicle awakening relay;
the Start end is electrically connected with the input end of the whole vehicle controller through a starting signal line.
The utility model discloses a solve its technical problem, the further technical scheme who adopts is:
furthermore, the whole vehicle wake-up relay and the charging wake-up relay are both provided with pull-up resistors for pulling up the electrical level.
The vehicle controller, the high-voltage to low-voltage controller, the high-voltage battery management controller, the vehicle-mounted slow charging controller, the starting and charging integrated machine controller and the engine controller are all electrically connected in parallel.
Furthermore, a clock self-awakening module is arranged in the vehicle controller and used for monitoring the battery pack feeding at intervals of time in the Off state of the vehicle.
Further, the battery pack is a direct current 12V storage battery.
The beneficial effects of the utility model are that:
the utility model discloses awaken the line and increase a whole car between the relevant controller of slow charging at whole car and awaken the relay, when filling slowly, isolated other controllers, prevent that other controllers from being awaken up, when filling slowly, fill the stake and awaken up on-vehicle controller of filling slowly, on-vehicle controller of filling slowly and awaken up high-voltage battery management controller again, high-voltage battery management controller is through a charge awaken-up relay, awaken up other relevant controllers of filling slowly, the cooperation is accomplished and is filled slowly the function, other relevant controllers of charging are when the completion of charging, get into the dormant state, reduce the electric quantity loss, when not filling slowly and the key on-Off state is at Off, high-voltage battery management module is from awakening the module with the help of the clock of whole car controller, under whole car Off state, the interval certain time, whole car controller is awaken from monitoring whether the feed of battery group battery, can regularly detect the group battery state, when the group battery electric quantity is low, closed high-pressure loop charges for the group battery, detect group battery and oil mass simultaneously, when the condition satisfies, start the engine through engine controller, charge for through the engine, can monitor whether feed the group battery feed the electricity, in time, avoid taking place with the outside feeder equipment.
The above description is only an outline of the technical solution of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented in accordance with the content of the specification, the following detailed description will be given of preferred embodiments of the present invention in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic view of the connection of the modules of the processing apparatus of the present invention;
fig. 2 is a flow chart of the low-voltage battery feed processing of the present invention;
fig. 3 is a signal line change diagram when the driver operates the key switch according to the present invention;
FIG. 4 is a state diagram of the wake-up signal line during the slow charging process of the present invention;
the parts in the drawings are marked as follows:
the device comprises a battery pack 1, a key switch 2, a driving motor controller 3, a vehicle body controller 4, an instrument controller 5, a vehicle wake-up relay 6, a charge wake-up relay 7, a vehicle controller 8, a clock self-wake-up module 81, a high-voltage to low-voltage controller 9, a high-voltage battery management controller 10, a vehicle-mounted slow charge controller 11, a slow charge pile 12, a start-charge all-in-one controller 13, an engine controller 14, a first wake-up signal line 15, a second wake-up signal line 16, a third wake-up signal line 17, a fourth wake-up signal line 18, a start signal line 19 and a pull-up resistor 20.
Detailed Description
The following description is given for illustrative embodiments of the present invention with reference to the accompanying drawings, and it is to be understood that the present invention is not limited to the specific embodiments shown and described herein. 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.
Example 1
A processing device for preventing low-voltage battery feed of an electric logistics vehicle is shown in figure 1 and comprises a battery pack 1, a key switch 2, a driving motor controller 3, a vehicle body controller 4, an instrument controller 5, a whole vehicle awakening relay 6, a charging awakening relay 7, a whole vehicle controller 8, a high-voltage-to-low-voltage controller 9, a high-voltage battery management controller 10, a vehicle-mounted slow charging controller 11, a slow charging pile 12, a starting and charging integrated machine controller 13 and an engine controller 14;
one end of the key switch 2 is electrically connected with the battery pack 1, and the other end of the key switch 2 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 driving motor controller 3, the vehicle body controller 4, the instrument controller 5 and the whole vehicle awakening relay 6 through a first awakening signal line 15, the signal output end of the whole vehicle awakening relay 6 is grounded, the strong current input end of the whole vehicle awakening relay 6 is electrically connected with the battery pack 1, the strong current output end of the whole vehicle awakening relay 6 is respectively and electrically connected with the input end of the whole vehicle controller 8, the input end of the high-voltage-to-low-voltage controller 9, the input end of the high-voltage battery management controller 10, the input end of the vehicle-mounted slow-charge controller 11, the input end of the start-charge all-in-one machine controller 13 and the input end of the engine controller 14 through a second awakening signal line 16, the output end of the vehicle-mounted slow-charge controller 11 is electrically connected with the slow-charge pile 12 through a third awakening signal line 17, the output end of the high-voltage battery management controller 10 is electrically connected with the input end of the vehicle-mounted slow-charge controller 11 through a fourth awakening signal line 18, the strong current input end of the charge awakening relay 7 is electrically connected with the strong current input end of the whole vehicle awakening relay 6, the strong current output end of the charge awakening relay 7 is electrically connected with the whole vehicle awakening relay 6, the high-powered relay 7 is electrically connected with the input end of the high-charged battery awakening relay 7, and the ground-charged relay 7;
the Start end is electrically connected with the input end of the vehicle control unit 8 through a Start signal line 19.
The whole vehicle wake-up relay 6 and the charging wake-up relay 7 are both provided with a pull-up resistor 20 for pulling up the electrical level.
The driving motor controller 3, the vehicle body controller 4 and the instrument controller 5 are all electrically connected in parallel, and the vehicle controller 8, the high-voltage-to-low-voltage controller 9, the high-voltage battery management controller 10, the vehicle-mounted slow charging controller 11, the starting and charging integrated controller 13 and the engine controller 14 are all electrically connected in parallel.
The vehicle control unit 8 is internally provided with a clock self-awakening module 81 for monitoring the feeding of the battery pack 1 at intervals in the Off state of the vehicle.
The battery pack 1 is a direct-current 12V storage battery.
Example 2
The utility model discloses a low-voltage battery feed processing flow, as shown in fig. 2-4, includes following steps:
s1, when a driver operates a key switch from an Off end to a non-Off end, a first awakening signal line is pulled up in level, a second awakening signal line is pulled up by the first awakening signal line through an entire vehicle awakening relay, a third awakening signal line is kept pulled down in level, a fourth awakening signal line is kept pulled down in level, and an entire vehicle controller judges the state of a starting signal line, so that the electric logistics vehicle is in a starting state and enters a power management mode in the starting state;
s2, when a driver operates a key switch state from a non-Off end to an Off end, pulling down a first awakening signal line to a low level, pulling down a second awakening signal line through a whole vehicle awakening relay by the first awakening signal line, keeping pulling down a third awakening signal line to a low level, keeping pulling down a fourth awakening signal line to a low level, and enabling the whole vehicle controller to enter a power management mode in a dormant state according to the state of the awakening signal line, wherein the electric logistics vehicle is in the dormant state;
s3, when the key on-Off state of a driver is at an Off end, the first awakening signal line is kept pulled down, the third awakening signal line is pulled up by the slow charging pile, the vehicle-mounted slow charging controller works, the fourth awakening signal line is pulled up by the vehicle-mounted slow charging controller, the high-voltage battery management controller is awakened, the charging requirement is judged by the high-voltage battery management controller, the second awakening signal line is pulled up by the charging awakening relay, the whole vehicle controller and the high-voltage to low-voltage controller are awakened, the electric logistics vehicle is in a slow charging state, and the electric logistics vehicle enters a power management mode in the slow charging state.
In S1, the first wake-up signal line is pulled high to wake up the driving motor controller, the vehicle body controller, the instrument controller, the starting and charging integrated machine controller and the engine controller to work, and the second wake-up signal line is pulled high to wake up the whole vehicle controller, the high-voltage to low-voltage controller, the high-voltage battery management controller and the vehicle-mounted slow charging controller to work.
In S2, the first wake-up signal line is pulled down, the second wake-up signal line is pulled down, and the vehicle controller closes the high-voltage battery management controller and the battery pack according to the state of the wake-up line.
In S3, the implementation of the battery feeding function in the slow charging state is entered, including the steps of:
s31: in the Off state of the whole vehicle, the clock of the whole vehicle controller starts to time from the wakeup module, and the time is recorded as T;
s32: when T is greater than or equal to 2h, the high-voltage battery management controller works, and the clock self-awakening module is cleared; otherwise, repeating step S31;
s33: after the clock self-awakening module is subjected to zero clearing processing, when the voltage of the battery pack is smaller than or equal to 12V, the high-voltage battery management controller controls the charging awakening relay to be closed, the second awakening signal line is pulled to be high in level, and the whole vehicle controller, the high-voltage-to-low-voltage controller, the high-voltage battery management controller and the vehicle-mounted slow-charging controller are awakened and awakened; otherwise, repeating step S31;
s34: after the whole vehicle controller, the high-voltage to low-voltage controller, the high-voltage battery management controller and the vehicle-mounted slow charging controller are awakened, when the high-voltage to low-voltage controller or the battery pack has serious faults, the high-voltage battery management controller controls the charging awakening relay to be closed, the second awakening signal line is pulled down, the whole vehicle controller, the high-voltage to low-voltage controller, the high-voltage battery management controller and the vehicle-mounted slow charging controller start to sleep, and the clock of the whole vehicle controller starts timing again from the awakening module; otherwise, the vehicle control unit judges the SOC loss rate of the battery pack;
s35: when the vehicle controller judges that the SOC loss rate of the battery pack is too low, the vehicle controller judges the oil quantity of an oil tank; otherwise, closing the high-voltage loop to charge the battery pack;
s36: when the vehicle control unit judges that the oil quantity of the oil tank is too low, the high-voltage battery management controller controls the charging wake-up relay to be closed, the second wake-up signal line is pulled down, and the vehicle control unit, the high-voltage to low-voltage controller, the high-voltage battery management controller and the vehicle-mounted slow charging controller start to sleep; otherwise, closing the high-voltage loop, starting the engine controller, and controlling the engine to charge the battery pack;
s37: when the voltage of the battery pack is higher, the engine controller is controlled to stop the engine to work, the high-voltage loop is disconnected, the high-voltage battery management controller controls the charging wake-up relay to be closed, the second wake-up signal line is pulled to be low in level, and the whole vehicle controller, the high-voltage to low-voltage controller, the high-voltage battery management controller and the vehicle-mounted slow charging controller start to sleep; otherwise, the voltage of the battery pack is repeatedly judged.
The utility model discloses a working process and theory of operation are following:
the battery pack power feeding prevention function is realized:
for the function of charging the battery 1, the following two preconditions need to be satisfied:
the key switch 2 is not operated, namely the key switch 2 is in an Off state, and the battery pack 1 cannot be charged by the high-voltage-to-low-voltage controller 9;
when the whole vehicle is not subjected to slow charging operation, the battery pack 1 cannot be charged by the high-voltage-to-low-voltage controller 9;
on the basis of the above conditions, as shown in fig. 2, a clock inside the high-voltage battery management controller 10 starts timing from a wake-up module 81, if the timing time exceeds a preset time, such as 2 hours, the high-voltage battery management controller 10 is woken up from a low-power-consumption timing mode and enters a normal working state, then the high-voltage battery management controller 10 judges the current state of the battery pack 1, if the voltage of the battery pack 1 is low (the voltage value is less than a threshold, such as 10V), the high-voltage battery management controller 10 closes a charge wake-up relay 7 to wake up a charge-related controller, and at this time, the control right is handed to the vehicle controller 8;
the vehicle control unit 8 firstly judges whether critical components such as the high-voltage to low-voltage controller 9 and the high-voltage battery management controller 10 have serious faults or not, if so, the charging function of the battery pack 1 is stopped, if the high-voltage to low-voltage controller 9 and the high-voltage battery management controller 10 are normal, the vehicle control unit 8 comprehensively judges the SOC loss rate (charge state) and the oil quantity state of an oil tank of the high-voltage battery management controller 10, if the SOC loss rate (charge state) is higher (the voltage value is greater than a threshold value), a high-voltage loop is closed, the battery pack can be charged, if the SOC loss rate is low, the oil quantity needs to be observed, if the oil quantity is also low, the charging function of the battery pack 1 is stopped, and if the oil quantity is not low, the vehicle control unit 8 controls to start an engine and starts to charge the battery pack 1;
and after the battery pack 1 is charged to a certain voltage value, the battery pack 1 is considered to be charged, finally, the engine is stopped (if the engine is started), the high-voltage loop is disconnected, finally, the high-voltage battery management controller 10 turns on the charging wake-up relay 7, and all controllers are in a dormant state.
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)
1. The utility model provides a processing apparatus for prevent low-voltage battery feed of electronic commodity circulation car which characterized in that: the processing device comprises a battery pack (1), a key switch (2), a driving motor controller (3), a vehicle body controller (4), an instrument controller (5), a whole vehicle awakening relay (6), a charging awakening relay (7), a whole vehicle controller (8), a high-voltage to low-voltage controller (9), a high-voltage battery management controller (10), a vehicle-mounted slow charging controller (11), a slow charging pile (12), a starting and charging integrated machine controller (13) and an engine controller (14);
one end of the key switch (2) is electrically connected with the battery pack (1), and the other end of the key switch (2) is provided with an Off end, an On end and a Start end;
the On end respectively with driving motor controller (3), automobile body controller (4) through first awakening signal line (15), instrument controller (5) reaches the signal input part electricity of whole car awakening relay (6) is connected, the signal output part ground connection of whole car awakening relay (6), the heavy current input part of whole car awakening relay (6) with group battery (1) electricity is connected, the heavy current output part of whole car awakening relay (6) through the second awakening signal line (16) respectively with the input of whole car controller (8), the input of high-voltage-to-low-voltage controller (9), the input of high-voltage battery management controller (10), the input of On-vehicle slow-charging controller (11), the input of starting integrated machine controller (13) and the input of engine controller (14) are electrically connected, the output of On-vehicle slow-charging controller (11) through the third signal line (17) with the heavy current-charging pile (12) is electrically connected, the output of high-voltage battery management controller (10) through the fourth awakening signal line (18) and the input part electricity of whole car controller (7) is connected, the input part electricity of high-voltage-charging relay (7) is electrically connected with the On-vehicle-charging pile (6) through the second awakening relay, the strong current output end of the charging wake-up relay (7) is electrically connected with the strong current input end of the whole vehicle wake-up relay (6), the signal input end of the charging wake-up relay (7) is electrically connected with the output end of the high-voltage battery management controller (10), and the signal output end of the charging wake-up relay (7) is grounded;
the Start end is electrically connected with the input end of the whole vehicle controller (8) through a starting signal wire (19);
the whole vehicle awakening relay (6) and the charging awakening relay (7) are both provided with pull-up resistors (20) for pulling up the electrical level;
the driving motor controller (3), the vehicle body controller (4) and the instrument controller (5) are all electrically connected in parallel, and the vehicle controller (8), the high-voltage-to-low-voltage controller (9), the high-voltage battery management controller (10), the vehicle-mounted slow charging controller (11), the starting and charging integrated machine controller (13) and the engine controller (14) are all electrically connected in parallel;
a clock self-awakening module (81) is arranged in the vehicle controller (8) and is used for monitoring the feeding of the battery pack (1) by self-awakening at intervals in the Off state of the vehicle;
the battery pack (1) is a direct-current 12V storage battery.
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| CN202122001061.8U CN218054916U (en) | 2021-08-24 | 2021-08-24 | Processing device for preventing low-voltage battery feed of electric logistics vehicle |
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| CN202122001061.8U CN218054916U (en) | 2021-08-24 | 2021-08-24 | Processing device for preventing low-voltage battery feed of electric logistics vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581005A (en) * | 2021-08-24 | 2021-11-02 | 上海伊控动力***有限公司 | Processing device and processing method for preventing low-voltage battery of electric logistics vehicle from feeding |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581005A (en) * | 2021-08-24 | 2021-11-02 | 上海伊控动力***有限公司 | Processing device and processing method for preventing low-voltage battery of electric logistics vehicle from feeding |
| CN113581005B (en) * | 2021-08-24 | 2024-05-31 | 上海伊控动力***有限公司 | Processing device and processing method for preventing power feeding of low-voltage battery of electric logistics vehicle |
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