CN212243230U - Vehicle-mounted power supply system and automobile with same - Google Patents
Vehicle-mounted power supply system and automobile with same Download PDFInfo
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- CN212243230U CN212243230U CN202020667413.6U CN202020667413U CN212243230U CN 212243230 U CN212243230 U CN 212243230U CN 202020667413 U CN202020667413 U CN 202020667413U CN 212243230 U CN212243230 U CN 212243230U
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Abstract
The utility model belongs to the technical field of the car energy is used, especially, relate to an on-vehicle power supply system and have its car. The vehicle-mounted power supply system comprises an automobile charger, a lead-acid storage battery, a lithium ion battery pack, domestic electric equipment and an interlocking switch, wherein the lead-acid storage battery is used for supplying power to a starter so as to enable the starter to operate to start an automobile engine; when the automobile engine is started, the second end of the poking knife is electrically connected to the second connecting pin. By applying the technical scheme, the problems that when the lithium ion battery pack for standby of the automobile is connected with the lead-acid storage battery for starting the automobile in parallel for use, the lead-acid storage battery can be deeply discharged to stop starting the automobile and the lithium ion battery pack can be damaged when the automobile is started are solved.
Description
Technical Field
The utility model belongs to the technical field of the car energy is used, especially, relate to an on-vehicle power supply system and have its car.
Background
At present, in the journey of a touring car or the journey of a truck in the long-distance freight industry, the time of a driver for going back and forth is generally long, in order to save the journey cost, in the journey process, the catering behavior and the lodging behavior of the life rest time after parking are generally carried out on the car, and the daily life electricity utilization is related to things, such as cooking by using kitchen electrical appliances, cooling by using an air conditioner, warming and the like in the parking rest process.
In the prior art, in order to solve the problem of electricity utilization, there are generally the following methods: firstly, connecting electric equipment to a vehicle-mounted lead-acid storage battery for starting an automobile; secondly, additionally connecting a lead-acid storage battery in parallel on the basis of the vehicle-mounted lead-acid storage battery for daily electricity utilization; thirdly, additionally arranging a lithium ion battery pack in parallel on the basis of the vehicle-mounted lead-acid storage battery.
The first method is easy to cause the electric quantity loss of the vehicle-mounted lead-acid storage battery, the vehicle cannot be started, the cycle life of the lead-acid storage battery is short, the lead-acid storage battery is easy to damage, and the cost for replacing the lead-acid storage battery is high.
In the second method, the cycle life of the additionally-installed lead-acid storage battery is short, the replacement period of the lead-acid storage battery is short, the cost is high, and the consequence that the vehicle cannot be started due to the fact that the additionally-installed lead-acid storage battery pulls down the voltage of the vehicle-mounted lead-acid storage battery after long-time use exists.
In the third method, the cycle life of the lithium ion battery pack is long, but the internal resistance of the lithium ion battery pack is smaller than that of the lead-acid storage battery, the lithium ion battery pack is directly connected with the lead-acid storage battery in parallel for use, and the lithium ion battery pack has the condition of instantaneous heavy current discharge when a vehicle is started, so that the conventional lithium ion battery management system cannot meet the use requirements, and the lithium ion battery pack is extremely easy to damage.
Compared with the above three methods, the method that is more optimally adopted is the third method, but the problem of the third method is also to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an on-vehicle power supply system and have its car, when aiming at solving the reserve lithium ion battery group of car and the parallelly connected use of lead acid battery that starts the vehicle usefulness, the lead acid battery degree of depth that probably causes discharges and can not start the vehicle to and probably lead to the fact the problem of damage to lithium ion battery group when the automobile starts.
In order to achieve the above object, the utility model adopts the following technical scheme: a vehicle-mounted power supply system comprises an automobile charger and a lead-acid storage battery, wherein the automobile charger is used for converting part of energy output by an automobile engine into electric energy, the automobile charger is provided with a charging positive electrode and a charging negative electrode, the lead-acid storage battery is electrically connected with the automobile charger, the electric energy converted by the automobile charger is used for charging the lead-acid storage battery after an automobile is started, and the lead-acid storage battery is used for supplying power to a starter to enable the starter to operate so as to start the automobile engine; the vehicle-mounted power supply system further comprises a lithium ion battery pack, domestic electric equipment and an interlocking switch, wherein the lithium ion battery pack is provided with a positive connecting terminal and a negative connecting terminal, the domestic electric equipment is provided with a positive connecting terminal and a negative connecting terminal, a charging positive electrode is electrically connected with the positive connecting terminal, the positive connecting terminal is electrically connected with the positive connecting terminal, the interlocking switch comprises a first connecting pin, a second connecting pin, a third connecting pin and a poking knife, the negative connecting terminal is electrically connected with the first connecting pin, the first end of the poking knife is electrically connected with the first connecting pin, the second connecting pin is electrically connected with the charging negative electrode, and the third connecting pin is electrically connected with the negative connecting terminal; when the automobile engine is flamed out, the second end of the poking knife is electrically connected to the third connecting pin; when the automobile engine is started, the second end of the poking knife is electrically connected to the second connecting pin.
Further, the interlock switch is a mechanical interlock switch.
Furthermore, the interlocking switch is also provided with a neutral position, and the neutral position is arranged between the second connecting pin and the third connection; the vehicle-mounted power supply system further comprises a battery management module, the battery management module can detect the voltage and/or the current of the lithium ion battery pack, and after an automobile engine is shut down, when the detected voltage and/or current of the lithium ion battery pack is smaller than a voltage threshold and/or a current threshold, the battery management module gives an alarm to remind a second end of the knife-poking device to stay at a neutral position.
Further, the alarm is in a whistling alarm mode or a lighting alarm mode.
Further, interlock switch still includes the seat shell, and first connecting foot, second are connected foot, third and are connected foot and empty position and all set up on the seat shell, and dial the first end of sword and rotationally connect on the seat shell, are equipped with the guide way on the seat shell, dial and be equipped with the cooperation arch on the sword, and the cooperation is protruding to be extended into in the guide way.
Furthermore, the vehicle-mounted power supply system also comprises a battery management module, the battery management module can detect the voltage and/or current between the charging positive electrode and the charging negative electrode, and the interlocking switch is an electromagnetic switch; when the battery management module detects voltage and/or current generated between the charging anode and the charging cathode, the battery management module controls the electromagnetic switch to start to work so as to electrically connect the second end of the poking knife to the second connecting pin; when the battery management module detects that the voltage and/or the current between the charging positive electrode and the charging negative electrode are zero, the battery management module controls the electromagnetic switch to stop working, so that the second end of the poking knife is electrically connected to the third connecting pin.
Furthermore, the interlocking switch is also provided with a neutral position, and the neutral position is arranged between the second connecting pin and the third connection; the battery management module can also detect the voltage and/or the current of the lithium ion battery pack, and after the automobile engine is shut down, when the detected voltage and/or the detected current of the lithium ion battery pack are smaller than a voltage threshold and/or a current threshold, the battery management module controls the electromagnetic switch to work to shift the second end of the knife and stop at a neutral position.
Further, the interlock switch further includes: the first connecting pin, the second connecting pin, the third connecting pin and the neutral gear are all arranged on the seat shell, and the first end of the poking knife is rotatably connected to the seat shell; the electromagnet is arranged on the seat shell, the magnetic suction end of the electromagnet is opposite to the middle position of the poking knife, and the electromagnet is electrically connected with the lead-acid storage battery through the battery management module; the first end of the elastic piece is connected to the seat shell, and the second end of the elastic piece is connected to the second end of the poking knife.
Furthermore, a guide groove is formed in the seat shell, a matching protrusion is arranged on the poking knife, and the matching protrusion extends into the guide groove.
According to another aspect of the present invention, a vehicle is provided, in particular, a vehicle equipped with an on-board power supply system as described above.
The utility model discloses following beneficial effect has at least:
use the utility model discloses an on-vehicle power supply system, through using the interlock switch, keep apart lead acid battery and lithium ion battery group and formed mutually independent power supply part, not only satisfied the automobile at the power consumption demand of driving process and after flame-out, eliminated lithium ion battery group moreover and taken place the problem that heavy current discharged in the twinkling of an eye, protected lead acid battery and lithium ion battery group not fragile simultaneously.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a schematic view of a connection structure of a vehicle-mounted power supply system according to an embodiment of the present invention when a vehicle engine is turned off to supply power to consumer devices;
fig. 2 is a schematic view of a connection structure of the vehicle-mounted power supply system according to the embodiment of the present invention when the vehicle engine is started to charge the lithium ion battery pack;
fig. 3 is a schematic diagram of a connection structure of the vehicle-mounted power supply system according to the embodiment of the present invention when the power consumption of the lithium ion battery pack is reduced and the vehicle-mounted power supply system cannot supply power to the electric equipment for daily use and is not charged;
fig. 4 is a schematic structural diagram of an interlock switch in the vehicle-mounted power supply system according to the embodiment of the present invention;
fig. 5 is a schematic diagram of a connection structure between the lithium ion battery pack, the battery management module and the interlock switch in the vehicle-mounted power supply system according to the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. a car charger; 11. charging the positive electrode; 12. charging the negative electrode; 20. a lead-acid battery; 21. a lead-acid positive electrode; 22. a lead-acid negative electrode; 30. an automotive engine; 40. a starter; 50. a lithium ion battery pack; 51. A positive electrode connection terminal; 52. a negative electrode connection terminal; 60. a consumer electrical device; 61. a positive connecting column; 62. A negative connecting column; 70. an interlock switch; 71. a first connecting pin; 72. a second connecting pin; 73. a third connecting pin; 74. poking a knife; 75. a neutral gear; 80. and a battery management module.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1 to 4, the utility model provides an on-vehicle power supply system assembles the transformation to travel car as a house and freight transportation freight train, improves on the basis of the lead acid battery power supply system who does not change original vehicle and obtains the utility model discloses an on-vehicle power supply system. Specifically, the vehicle-mounted power supply system includes the automobile charger 10, the lead-acid battery 20, the lithium ion battery pack 50, the consumer electronic equipment 60, and the interlock switch 70, so that the lead-acid battery 20 and the lithium ion battery pack 50 form mutually independent power supply parts, that is: the lead-acid storage battery 20 supplies power for the starter 40 and vehicle-mounted electric appliances such as a vehicle-mounted air conditioner, a radio and the like during the running process of the automobile; the lithium ion battery pack 50 independently supplies power to the consumer 60 after the vehicle is turned off. Specifically, when the vehicle-mounted power supply system is connected, the vehicle charger 10 is configured to convert a part of energy (mechanical kinetic energy or combustion heat energy) output by the vehicle engine 30 into electric energy, the vehicle charger 10 has a charging positive electrode 11 and a charging negative electrode 12, the lead-acid battery 20 is electrically connected to the vehicle charger 10 (that is, the lead-acid positive electrode 21 of the lead-acid battery 20 is electrically connected to the charging positive electrode 11, and the lead-acid negative electrode 22 of the lead-acid battery 20 is electrically connected to the vehicle charger 10), after the vehicle is started, the electric energy converted by the vehicle charger 10 charges the lead-acid battery 20, the lead-acid battery 20 is configured to supply power to the starter 40 to operate so as to start the vehicle engine 30, the lithium ion battery pack 50 has a positive connecting terminal 51 and a negative connecting terminal 52, the consumer electronic device 60 has a positive connecting terminal 61 and a negative connecting terminal 62, and the charging positive electrode, the positive connecting post 61 is electrically connected to the positive connecting terminal 51, the interlock switch 70 includes a first connecting pin 71, a second connecting pin 72, a third connecting pin 73 and a knife 74, the negative connecting terminal 52 is electrically connected to the first connecting pin 71, a first end of the knife 74 is electrically connected to the first connecting pin 71, the second connecting pin 72 is electrically connected to the charging negative electrode 12, and the third connecting pin 73 is electrically connected to the negative connecting post 62. When the automobile engine 30 is turned off, the second end of the knife 74 is electrically connected to the third connecting pin 73; when the vehicle engine 30 is started, the second end of the riving knife 74 is electrically connected to the second connecting leg 72.
The vehicle-mounted power supply system is adopted on an automobile, can be obtained by directly transforming the original lead-acid storage battery power supply system of the automobile without changing the circuit connection layout of the original lead-acid storage battery power supply system, only connecting wires are directly led out from a charging anode 11 and a charging cathode 12 of an automobile charger 10 respectively, then the connecting wire led out from the charging anode 11 is connected to a second connecting pin 72 of an interlocking switch 70, the connecting wire led out from the charging cathode 12 is connected to an anode connecting terminal 51 of a lithium ion battery pack 50, a first connecting pin 71 of the interlocking switch 70 is connected to a cathode connecting terminal 52 of the lithium ion battery pack 50, a third connecting pin 73 is connected with a cathode connecting post 62 of a life electric device 60, and the anode connecting terminal 51 of the lithium ion battery pack 50 is connected with an anode connecting post 61 of the life electric device 60, the connection can be reformed and completed. In the process of using the vehicle-mounted power supply system, generally, the lithium ion battery pack 50 is completely stopped to supply power to the consumer 60 in the driving process of the vehicle, at this time, only the poking knife 74 of the interlock switch 70 needs to be poked to enable the second end of the poking knife 74 to be connected with the third connecting pin 73, the vehicle-mounted electrical appliance uses the lead-acid storage battery 20 to supply power as before modification, and the vehicle charger 10 charges the lithium ion battery pack 50. After the automobile is shut down, the driver has a rest and performs a life operation (for example, rice cooking by using an electric cooker, sleeping by using an electric blanket, and the like), and at this time, the lithium ion battery pack 50 is used for supplying power to the domestic electric equipment 60. Through using the interlock switch 70, the lead-acid storage battery 20 and the lithium ion battery pack 50 are isolated to form mutually independent power supply parts, so that the power consumption requirements of the automobile in the driving process and after flameout are met, the problem of instant heavy current discharge of the lithium ion battery pack 50 is solved in the using process, and meanwhile, the lead-acid storage battery 20 and the lithium ion battery pack 50 are protected from being damaged easily.
In the vehicle-mounted power supply system, the interlock switch 70 may be a mechanical interlock switch, or may be an electromagnetic switch.
The following is directed to a mechanical interlock switch:
the mechanical interlock switch is a purely mechanical manual operation to switch between the discharging mode and the charging mode of the lithium ion battery pack 50. That is, after the automobile engine 30 is turned off and the driver needs to use the electric equipment 60, the driver manually operates the interlock switch 70 to electrically connect the second end of the knife 74 to the third connecting pin 73, so that the lithium ion battery pack 50 can supply power to the electric equipment 60, and the lithium ion battery pack 50 and the lead-acid battery 20 are not connected in parallel to form a path; when the automobile engine 30 is started, even before the driver starts the automobile, the driver manually connects the second end of the knife 74 of the interlock switch 70 to the second connecting pin 72, the lithium ion battery pack 50 stops supplying power to the consumer electronics 60, and the automobile charger 10 charges the lead-acid battery 20 and the lithium ion battery pack 50 at the same time.
In the mechanical interlock switch, the interlock switch 70 further has a neutral position 75, the neutral position 75 is disposed between the second connection pin 72 and the third connection, and the vehicle-mounted power supply system further includes a battery management module 80, as shown in fig. 5, the battery management module 80 can detect the voltage and/or the current of the lithium ion battery pack 50, and the battery management module 80 generates a corresponding instruction after detecting the information of the voltage and/or the current of the lithium ion battery pack 50, so as to conveniently operate the interlock switch 70. After the automobile engine 30 is shut down, when the detected voltage and/or current of the lithium ion battery pack 50 is smaller than the voltage threshold and/or the current threshold (at this time, the electric quantity of the lithium ion battery pack 50 is insufficient, the power supply requirement cannot be met, and the situation of over-discharge occurs when the power supply is continued), the battery management module 80 sends an alarm to remind that the second end of the knife 74 stays at the neutral position 75, at this time, the power supply of the lithium ion battery pack 50 to the domestic power device 60 is completely stopped, and at the same time, the lithium ion battery pack 50 at this time is prompted to be charged.
Optionally, the alarm is in a whistling alarm mode or a lighting alarm mode. The utility model discloses the preferred alarm mode that adopts whistling.
Specifically in this mechanical type interlocking switch, interlocking switch 70 still includes the seat shell, and first connecting foot 71, second connecting foot 72, third connecting foot 73 and neutral position 75 all set up on the seat shell, and the first end of dialling sword 74 is rotationally connected on the seat shell, is equipped with the guide way on the seat shell, is equipped with the cooperation arch on the dialling sword 74, and the cooperation arch extends into in the guide way, so can make the group sword 74 keep swing motion can be steady by the process of stirring.
The following applies to the interlock switch 70 as an electromagnetic switch:
as shown in fig. 5, the vehicle-mounted power supply system further includes a battery management module 80, the battery management module 80 can detect the voltage and/or the current between the charging anode 11 and the charging cathode 12, the interlock switch 70 is an electromagnetic switch, and the toggling control of the knife 74 of the interlock switch 70 is intelligently implemented in the vehicle-mounted power supply system. The method specifically comprises the following steps: when the battery management module 80 detects the voltage and/or current generated between the charging positive electrode 11 and the charging negative electrode 12, the battery management module 80 controls the electromagnetic switch to start to electrically connect the second end of the knife 74 to the second connection pin 72; when the battery management module 80 detects that the voltage and/or the current between the charging anode 11 and the charging cathode 12 is zero, the battery management module 80 controls the electromagnetic switch to stop working, so that the second end of the knife 74 is electrically connected to the third connection pin 73.
Further, the interlock switch 70 has a neutral position 75, and the neutral position 75 is disposed between the second connecting pin 72 and the third connection. And, the battery management module 80 can also detect the voltage and/or the current of the lithium ion battery pack 50, after the automobile engine 30 is shut down, when the detected voltage and/or current of the lithium ion battery pack 50 is smaller than the voltage threshold and/or the current threshold (at this time, the electric quantity of the lithium ion battery pack 50 is insufficient, the power supply requirement cannot be met, and the situation of over-discharge occurs when power is continuously supplied), the battery management module 80 controls the electromagnetic switch to work to toggle the second end of the toggle switch 74 and stop at the neutral position 75, at this time, the power supply of the lithium ion battery pack 50 to the domestic electric device 60 is completely stopped, and at the same time, the lithium ion battery pack 50 at this time is prompted to be charged.
The electromagnetic switch is used for switching the discharging mode and the charging mode of the lithium ion battery pack 50, and is specifically designed as a switch with the following structure, that is, the interlock switch 70 further comprises a base shell (not shown), an electromagnet (not shown) and an elastic member (not shown), wherein the first connecting pin 71, the second connecting pin 72, the third connecting pin 73 and the neutral position 75 are all arranged on the base shell, the first end of the poking knife 74 is rotatably connected to the base shell, the electromagnet is installed on the base shell, the magnetic suction end of the electromagnet is opposite to the middle position of the poking knife 74, the electromagnet is electrically connected with the lead-acid battery 20 through the battery management module 80, the first end of the elastic member is connected to the base shell, and the second end of the elastic member is connected to the second end of the poking knife 74. When the battery management module 80 detects the voltage and/or current generated between the charging anode 11 and the charging cathode 12, the battery management module 80 sends a stronger current instruction to control the electromagnet, so that the electromagnet generates stronger magnetic attraction to completely overcome the elastic force of the elastic member, and the second end of the knife 74 is magnetically attracted to the second connecting pin 72 by the third connecting pin 73; when the detected voltage and/or current of the lithium ion battery pack 50 is smaller than the voltage threshold and/or the current threshold, the battery management module 80 sends a weaker current command to control the electromagnet, so that the electromagnet generates weaker magnetic attraction force, and the magnetic attraction force and the elastic force generated by the elastic member interact on the poking knife 74, so that the poking knife 74 is disengaged from the third connecting pin 73 but cannot magnetically attract the second connecting pin 72 to be located at the neutral position 75 between the second connecting pin 72 and the third connecting pin 73; when the battery management module 80 detects that the voltage and/or the current between the charging anode 11 and the charging cathode 12 is zero, the battery management module 80 sends an instruction to cut off the current of the electromagnet, the electromagnet does not have magnetic attraction, and the poking knife 74 is pulled to be electrically connected with the third connecting pin 73 under the elastic force of the elastic member. Preferably, the elastic member employs a coil spring.
In addition, in order to keep the toggle knife 74 stable in the toggle process, a guide groove is formed on the seat shell, and a matching protrusion is formed on the toggle knife 74 and extends into the guide groove.
According to another aspect of the utility model, still provide a car, at the electric power unit of this car to this car is equipped with as aforementioned on-vehicle power supply system.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An on-vehicle power supply system comprises an automobile charger (10) and a lead-acid storage battery (20), wherein the automobile charger (10) is used for converting a part of energy output by an automobile engine (30) into electric energy, the automobile charger (10) is provided with a charging positive electrode (11) and a charging negative electrode (12), the lead-acid storage battery (20) is electrically connected with the automobile charger (10), the electric energy converted by the automobile charger (10) is used for charging the lead-acid storage battery (20) after an automobile is started, and the lead-acid storage battery (20) is used for supplying power to a starter (40) to operate so as to start the automobile engine (30);
it is characterized in that the preparation method is characterized in that,
the vehicle-mounted power supply system further comprises a lithium ion battery pack (50), a domestic electric device (60) and an interlock switch (70), wherein the lithium ion battery pack (50) is provided with a positive connecting terminal (51) and a negative connecting terminal (52), the domestic electric device (60) is provided with a positive connecting terminal (61) and a negative connecting terminal (62), the charging positive electrode (11) is electrically connected with the positive connecting terminal (51), the positive connecting terminal (61) is electrically connected with the positive connecting terminal (51), the interlock switch (70) comprises a first connecting pin (71), a second connecting pin (72), a third connecting pin (73) and a poking knife (74), the negative connecting terminal (52) is electrically connected with the first connecting pin (71), the first end of the poking knife (74) is electrically connected with the first connecting pin (71), and the second connecting pin (72) is electrically connected with the charging negative electrode (12), the third connecting pin (73) is electrically connected with the negative connecting column (62);
when the automobile engine (30) is shut down, the second end of the poking knife (74) is electrically connected to the third connecting pin (73);
when the automobile engine (30) is started, the second end of the poking knife (74) is electrically connected to the second connecting pin (72).
2. The vehicle power supply system according to claim 1,
the interlock switch (70) is a mechanical interlock switch.
3. The vehicle power supply system according to claim 2,
the interlock switch (70) further has a neutral position (75), and the neutral position (75) is disposed between the second connection leg (72) and the third connection;
the vehicle-mounted power supply system further comprises a battery management module (80), wherein the battery management module (80) can detect the voltage and/or the current of the lithium ion battery pack (50), and after the automobile engine (30) is shut down, when the detected voltage and/or current of the lithium ion battery pack (50) is smaller than a voltage threshold and/or a current threshold, the battery management module (80) gives an alarm to remind that the second end of the knife-poking tool (74) stays at the neutral position (75).
4. The vehicle power supply system according to claim 3,
the alarm is in a whistling alarm mode or a light alarm mode.
5. The vehicle power supply system according to claim 3,
interlocking switch (70) still include a seat shell, first connecting pin (71) second connecting pin (72) third connecting pin (73) with empty position (75) all set up on the seat shell, just the first end of dialling sword (74) is rotationally connected on the seat shell, be equipped with the guide way on the seat shell, it is protruding to be equipped with the cooperation on sword (74), the cooperation is protruding to extend into in the guide way.
6. The vehicle power supply system according to claim 1,
the vehicle-mounted power supply system further comprises a battery management module (80), the battery management module (80) can detect the voltage and/or the current between the charging anode (11) and the charging cathode (12), and the interlock switch (70) is an electromagnetic switch;
when the battery management module (80) detects the voltage and/or the current generated between the charging positive electrode (11) and the charging negative electrode (12), the battery management module (80) controls the electromagnetic switch to start to electrically connect the second end of the poking knife (74) to the second connecting pin (72);
when the battery management module (80) detects that the voltage and/or the current between the charging anode (11) and the charging cathode (12) are/is zero, the battery management module (80) controls the electromagnetic switch to stop working, so that the second end of the poking knife (74) is electrically connected to the third connecting pin (73).
7. The vehicle power supply system according to claim 6,
the interlock switch (70) further has a neutral position (75), and the neutral position (75) is disposed between the second connection leg (72) and the third connection;
the battery management module (80) can also detect the voltage and/or the current of the lithium ion battery pack (50), and after the automobile engine (30) is shut down, when the detected voltage and/or current of the lithium ion battery pack (50) is smaller than a voltage threshold and/or a current threshold, the battery management module (80) controls the electromagnetic switch to work to shift the second end of the poking knife (74) and stop at the neutral position (75).
8. The vehicle power supply system according to claim 7, wherein the interlock switch (70) further includes:
the first connecting pin (71), the second connecting pin (72), the third connecting pin (73) and the neutral gear (75) are all arranged on the seat shell, and the first end of the poking knife (74) is rotatably connected to the seat shell;
the electromagnet is arranged on the seat shell, the magnetic suction end of the electromagnet is opposite to the middle position of the poking knife (74), and the electromagnet is electrically connected with the lead-acid storage battery (20) through the battery management module (80);
a resilient member having a first end connected to the housing and a second end connected to a second end of the riving knife (74).
9. The vehicle power supply system according to claim 8,
the seat shell is provided with a guide groove, the poking knife (74) is provided with a matching protrusion, and the matching protrusion extends into the guide groove.
10. A motor vehicle, characterized in that it is equipped with an onboard power supply system according to any one of claims 1 to 9.
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| CN202020667413.6U CN212243230U (en) | 2020-04-27 | 2020-04-27 | Vehicle-mounted power supply system and automobile with same |
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| CN202020667413.6U CN212243230U (en) | 2020-04-27 | 2020-04-27 | Vehicle-mounted power supply system and automobile with same |
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| CN113071333A (en) * | 2021-03-31 | 2021-07-06 | 中国重汽集团济南动力有限公司 | Storage battery pack and automobile with electrically-driven operation function |
| CN113246768A (en) * | 2021-07-16 | 2021-08-13 | 德阳恒博秸油科技有限公司 | New energy automobile battery pack charging switching system and method based on image acquisition |
| CN114899510A (en) * | 2022-05-16 | 2022-08-12 | 深圳市新驰客科技有限公司 | Lithium iron phosphate storage battery starting power supply for automobile starting |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113071333A (en) * | 2021-03-31 | 2021-07-06 | 中国重汽集团济南动力有限公司 | Storage battery pack and automobile with electrically-driven operation function |
| CN113246768A (en) * | 2021-07-16 | 2021-08-13 | 德阳恒博秸油科技有限公司 | New energy automobile battery pack charging switching system and method based on image acquisition |
| CN114899510A (en) * | 2022-05-16 | 2022-08-12 | 深圳市新驰客科技有限公司 | Lithium iron phosphate storage battery starting power supply for automobile starting |
| CN114899510B (en) * | 2022-05-16 | 2022-11-04 | 深圳市新驰客科技有限公司 | Lithium iron phosphate storage battery starting power supply for automobile starting |
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