CN216214657U - High-voltage box, vehicle-mounted electrical system, vehicle and working machine - Google Patents
High-voltage box, vehicle-mounted electrical system, vehicle and working machine Download PDFInfo
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- CN216214657U CN216214657U CN202122352505.2U CN202122352505U CN216214657U CN 216214657 U CN216214657 U CN 216214657U CN 202122352505 U CN202122352505 U CN 202122352505U CN 216214657 U CN216214657 U CN 216214657U
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Abstract
The utility model relates to the technical field of engineering machinery, and provides a high-voltage box, a vehicle-mounted electrical system, a vehicle and an operation machine, wherein the high-voltage box comprises: a first conductive line, a second conductive line, a third conductive line, and a fourth conductive line; the second conducting wires correspond to the third conducting wires, and the number of the second conducting wires and the number of the third conducting wires are both the first number; the first end of the first conducting wire is connected with the first end of each second conducting wire, and the first end of the third conducting wire is connected with the first end of the fourth conducting wire; and a switch is arranged on the second lead and/or a third lead corresponding to the second lead. The high-voltage box, the vehicle-mounted electrical system, the vehicle and the operation machine provided by the utility model can cut off the sub-loop with a fault for maintenance under the condition of keeping normal operation of other controllers, can realize more flexible and more targeted maintenance on the vehicle-mounted electrical system, and can simplify the complexity of power distribution of the vehicle-mounted electrical system.
Description
Technical Field
The utility model relates to the technical field of engineering machinery, in particular to a high-voltage box, a vehicle-mounted electrical system, a vehicle and an operating machine.
Background
With the increasing energy crisis and environmental problems, electric power or hybrid power is an important development direction for vehicles or working machines as a power source.
An electrical system in a vehicle or a working machine using electric energy or hybrid power as a power source may include a battery pack, a high-voltage box, a battery management system, various controllers, a load, and the like. The battery pack can be connected with each controller through the high-voltage box to supply power to each controller. The high-voltage box is used as an important barrier for the safety of an electrical system, and can be used for switching on or off a high-voltage loop according to the control requirements of the vehicle on and off to provide a current and electric leakage detection terminal; when the external current of the battery pack is overlarge, controllable load cut-off can be realized; when the external circuit of the battery pack is short-circuited, the fuse in the high-voltage box can break the high-voltage loop. When the existing electric system has a fault, the high-voltage box can cut off a high-voltage loop, and each controller is powered off, so that the electric system can be overhauled. However, in some specific scenarios, it is necessary to keep one or more controllers powered on, and in the above specific scenarios, it is difficult to flexibly implement maintenance on the electrical system in the existing electrical system.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high-voltage box, a vehicle-mounted electrical system, a vehicle and an operating machine, which are used for solving the defect that the electrical system is difficult to flexibly overhaul in a specific scene in the prior art and realizing more flexible overhaul of the electrical system.
The present invention provides a high voltage cartridge comprising: a first conductive line, a second conductive line, a third conductive line, and a fourth conductive line; the second conducting wires correspond to the third conducting wires, and the number of the second conducting wires and the number of the third conducting wires are both the first number;
the first end of the first conducting wire is connected with the first end of each second conducting wire, and the first end of the third conducting wire is connected with the first end of the fourth conducting wire;
and a switch is arranged on the second lead and/or a third lead corresponding to the second lead.
According to the present invention, there is provided a high voltage cartridge, further comprising: an insulation detection module;
the insulation detection module is respectively connected with the first lead and the fourth lead.
According to the present invention, there is provided a high voltage cartridge, further comprising: a contactor;
the contactor is disposed on the first wire or the fourth wire.
According to the high-voltage box provided by the utility model, the switch is a manual maintenance switch.
The present invention also provides a vehicle-mounted electrical system, including: a battery pack, at least one controller, and a high voltage cartridge as described above;
the first terminal of the battery pack is connected with the second end of the first lead in the high-voltage box; a second terminal of the battery pack is connected with a second end of a fourth wire in the high voltage box;
the first terminal of the controller is connected with the second end of the second wire in the high-voltage box, and the second terminal of the controller is connected with the second end of the third wire corresponding to the second wire.
According to an on-vehicle electrical system provided by the utility model, the battery pack comprises a second number of battery packs; the battery packs are connected in parallel.
According to an on-vehicle electrical system provided by the present invention, the system further includes: a second number of Hall sensors corresponding to the battery packs;
and the Hall sensor is used for acquiring the parameters of the corresponding battery pack.
According to the vehicle-mounted electric system provided by the utility model, at least one controller is an all-in-one controller;
the all-in-one controller is used for controlling a plurality of power receiving devices.
According to the vehicle-mounted electrical system provided by the utility model, the all-in-one controller is provided with the charging port.
The present invention also provides a working machine, including: the vehicle-mounted electrical system as described above.
According to the high-voltage box, the vehicle-mounted electrical system, the vehicle and the operation machine, the first end of the first lead of the high-voltage box is connected with the first end of each second lead, the first end of the third lead is connected with the first end of the fourth lead, and each second lead and/or the third lead corresponding to the second lead are/is provided with a switch, so that the sub-loop with a fault can be cut off for maintenance under the condition that the normal operation of other controllers is kept, the vehicle-mounted electrical system can be flexibly and pertinently maintained, and the complexity of power distribution of the vehicle-mounted electrical system can be simplified.
Drawings
In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a high voltage box provided by the present invention;
FIG. 2 is a schematic structural diagram of an in-vehicle electrical system provided by the present invention;
FIG. 3 is a second schematic structural diagram of the on-board electrical system provided in the present invention;
reference numerals:
101: a high voltage box; 102: a first conductive line;
103: a second conductive line; 104: a third conductive line;
105: a fourth conductive line; 106: a switch;
107: an insulation detection unit; 108: a contactor;
201: a battery pack; 202: a controller;
203: a first terminal of the battery pack; 204: a first terminal of a controller;
205: a second terminal of the controller; 206: a second terminal of the battery pack;
301: a battery pack; 302: a Hall sensor;
303: a load; 304: a power receiving apparatus;
305: a charging port; 306: fill electric pile.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Fig. 1 is a schematic structural diagram of a high voltage box provided by the present invention. The high voltage cartridge of the present invention is described below in conjunction with fig. 1. As shown in fig. 1, the high voltage cartridge 101 includes: a first conductive line 102, a second conductive line 103, a third conductive line 104, and a fourth conductive line 105; the second conductive lines 103 correspond to the third conductive lines 104, and both the number of the second conductive lines and the number of the third conductive lines are the first number.
A first end of a first wire 102 is connected to a first end of each second wire 103 and a first end of a third wire 104 is connected to a first end of a fourth wire 105.
A switch 106 is disposed on the second conductive line 103 and/or the third conductive line 104 corresponding to the second conductive line 103.
Specifically, the battery pack may supply power to each controller in the electrical system, and may further supply power to the powered device controlled by each controller. The battery pack may include two terminals, a first terminal of the battery pack and a second terminal of the battery pack. The first terminal of the battery pack and the second terminal of the battery pack may correspond to a positive electrode and a negative electrode of the battery pack, respectively.
The controller may control one powered device individually, for example: a main pump motor controller, an upper motor controller or a steering motor controller and the like. The controller may also control multiple powered devices simultaneously, for example: the controller can be an all-in-one controller and simultaneously controls a main pump motor controller, an upper motor controller, a steering motor controller and the like. The controller may include two terminals, a first terminal of the controller and a second terminal of the controller, for connection to the positive and negative poles of the battery pack, respectively.
The battery pack, the high voltage box 101 and each controller may be connected in sequence, and the battery pack may supply power to each controller, and may further supply power to the powered device controlled by each controller.
The first end of the first conductive wire 102 is connected to the first end of each second conductive wire 103, and the first terminal 203 of the battery pack may be connected to the second end of the first conductive wire 102.
The first terminal of the controller may be connected to a second end of one of the second conductors 103. Current flows from the battery pack and may be divided into multiple currents via the first conductor 102 and the respective second conductors 103 and into each controller.
A second terminal of the controller may be connected to a second end of a third conductor 104.
A second wire 103 connected to a first terminal of any one of the controllers and a third wire 104 connected to a second terminal of the controller are associated with each other.
A first end of each third conductive line 104 may be connected to a first end of a fourth conductive line 105. A second end of the fourth wire 105 may be connected to a second terminal of the battery pack. The respective partial currents flow from the respective controllers 202 and can be returned to the battery pack via the respective third and fourth wires 104 and 105.
It should be noted that the high voltage box 101 shown in fig. 1 is an example of the high voltage box provided by the present invention. The first number of second conductors 103 and third conductors 104 in the high voltage box 101 may be determined according to practical circumstances. In the embodiment of the present invention, the first number is not particularly limited.
For each second wire 103, a switch 106 is disposed on the second wire 103 and/or a third wire 104 corresponding to the second wire 103, and can be used to control the on/off of a sub-loop composed of a battery pack, the second wire 103, a controller connected to a second end of the second wire 103, the third wire 104 connected to the controller, and a fourth wire 105. When the sub-loop is in fault, the sub-loop can be cut off for maintenance only by closing the switch 106, and the normal operation of other controllers is not affected.
In the embodiment of the utility model, the first end of the first lead of the high-voltage box is connected with the first end of each second lead, the first end of the third lead is connected with the first end of the fourth lead, and each second lead and/or the third lead corresponding to the second lead are/is provided with a switch, so that a sub-loop with a fault can be cut off for maintenance under the condition that the normal operation of other controllers is maintained, the vehicle-mounted electric system can be flexibly and pertinently maintained, and the complexity of power distribution of the vehicle-mounted electric system can be simplified.
Based on the content of the above embodiments, the high voltage box 101 further includes: an insulation detection module 107.
During the operation of the vehicle-mounted electrical system, the vehicle-mounted electrical system is influenced by various external factors, wherein the external factors mainly comprise an external electric field, an environment, high voltage, corrosion degree and the like. The vehicle-mounted electrical system is affected by the external factors, so that unpredictable faults are easy to occur, and power supply interruption can be caused seriously. Through carrying out insulation detection to on-vehicle electrical system, can ensure on-vehicle electrical system's safe and stable operation.
The insulation detection module 107 can detect and manage an insulation state of the in-vehicle electrical system. The system can monitor and alarm the alternating current and direct current voltage of the vehicle-mounted electrical system in real time, monitor and alarm the insulation of the vehicle-mounted electrical system in real time, detect and diagnose a real-time grounding loop, detect and diagnose the current of the vehicle-mounted electrical system, early warn in grading the insulation of the loop, analyze grounding historical records, balance voltage, monitor a battery pack loop, detect a system distributed capacitance and the like.
And an insulation detection module 107 connected to the first wire 102 and the fourth wire 105, respectively.
As shown in fig. 1, the insulation detecting module 107 is connected to the first conductive line 102 and the fourth conductive line 105, respectively. When the controllers 202 and the power receiving devices controlled by each controller 202 are regarded as an integrated power receiving device, the insulation detection module 107 is connected in parallel with the integrated power receiving device, so that insulation detection of an electrical system can be realized.
The high-voltage box comprises an insulation detection module which is respectively connected with the first lead and the fourth lead in the high-voltage box, so that the insulation detection can be carried out on the vehicle-mounted electrical system, and the safety of the vehicle-mounted electrical system can be improved.
Based on the content of the above embodiments, the high voltage box 101 further includes: a contactor 108.
The contactor 108 may refer to an electrical device that uses a coil to pass current to generate a magnetic field to close contacts to control a load. The contactor 108 not only makes and breaks the circuit, but also has low voltage discharge protection.
The contactor 108 is disposed on the first conductive line 102 or the fourth conductive line 105.
The first conductor 102 or the fourth conductor 105 is provided with a contactor 108, which can control whether the integrated powered device is powered on or not when the controllers 202 and the powered device controlled by each controller 202 are used as an integrated powered device.
In the embodiment of the utility model, the high-voltage box is provided with the contactor on the basis that each second lead and/or the third lead corresponding to the second lead is provided with the switch, and the first lead or the fourth lead is provided with the contactor, so that whether all controllers are electrified or not can be controlled on the basis of respectively controlling whether each controller is electrified or not, and the safety of a vehicle-mounted electrical system can be further improved.
Based on the above embodiments, the switch 106 is a manual maintenance switch.
A Manual Service Device (MSD) is internally provided with a high-voltage fuse and is designed with a high-voltage interlocking function. Under the condition of external short circuit, the fuse is fused to cut off the high-voltage loop; in the case of cutting off the high voltage circuit according to the user's operation, the high voltage interlock is first disconnected and then the high voltage circuit is cut off.
For any controller, a manual maintenance switch is connected in series in a sub-loop formed by the battery pack and the controller, and the on-off of the sub-loop can be controlled according to actual requirements without influencing the normal operation of other controllers.
In the embodiment of the utility model, the high-voltage box is provided with the manual maintenance switch on each second lead and/or the third lead corresponding to the second lead, so that the branch circuit with faults can be cut off for maintenance according to the operation of a user, the branch circuit with short circuit can be cut off under the condition of short circuit, and the safety of an electric system can be improved.
Fig. 2 is a schematic structural diagram of the vehicle-mounted electrical system provided by the present invention. The vehicle-mounted electric system of the utility model is described below with reference to fig. 2. As shown in fig. 2, the in-vehicle electric system includes: a battery pack 201, at least one controller 202, and a high voltage box 101 as above.
The first terminal 203 of the battery pack is connected to the second end of the first wire 102 in the high voltage box.
A first terminal 204 of the controller is connected to a second end of the second wire 103 in the high voltage box and a second terminal 205 of the controller is connected to a second end of the third wire 104 in the high voltage box.
A second terminal 206 of the battery pack is connected to a second end of the fourth wire 105 in the high voltage box.
Wherein the number of controllers 202 is not greater than the first number.
Specifically, the battery pack 201 may supply power to each controller 202 in the electrical system, and may further supply power to the power receiving device controlled by each controller 202. The battery pack 201 may include two terminals, a first terminal 203 of the battery pack and a second terminal 206 of the battery pack. The first terminal 203 of the battery pack and the second terminal 206 of the battery pack may correspond to a positive electrode and a negative electrode of the battery pack, respectively.
The battery pack 201, the high voltage box 101, and each controller 202 may be connected in sequence, and the battery pack 201 may supply power to each controller 202, and may further supply power to the powered device controlled by each controller 202.
The first terminal 203 of the battery pack may be connected to the second end of the first conductive line 102, and the first end of the first conductive line 102 is connected to the first end of each second conductive line 103, respectively.
The first terminal 204 of the controller may be connected to a second end of one of the second conductors 103. The current flows from the battery pack 201, may be divided into a plurality of currents through the first conductor 102 and the respective second conductors 103, and flows into each of the controllers 202.
A second terminal 205 of the controller may be connected to a second end of a third conductor 104.
The second wire 103 and the third wire 104 connected to the first terminal 204 and the second terminal 205 of the same controller have a correspondence relationship.
In the high voltage box 101, the number of the second conductive lines 103 is the same as the number of the third conductive lines 104, and is a first number. The number of controllers 202 is not greater than the first number.
A first end of each third conductive line 104 may be connected to a first end of a fourth conductive line 105. A second end of fourth wire 105 may be connected to second terminal 206 of the battery pack. The respective partial currents flow from the respective controllers 202, and can be returned to the battery pack 201 via the respective third and fourth wires 104 and 105.
For each second wire 103 in the high voltage box 101, a switch 106 is disposed on the second wire 103 and/or a third wire 104 corresponding to the second wire 103, and can be used to control the on/off of a sub-loop composed of a battery pack 201, the second wire 103, a controller 202 connected to a second end of the second wire 103, the third wire 104 connected to the controller 202, and a fourth wire 105. When the sub-circuit has a fault, the sub-circuit can be cut off for maintenance by only closing the switch 106 without affecting the normal operation of other controllers 202.
It should be noted that the vehicle-mounted electrical system shown in fig. 2 is an example provided by the present invention. The specific structure of the battery pack 201, the number of the controllers 202, and the like may be determined according to actual circumstances, and are not particularly limited in the embodiment of the present invention.
The vehicle-mounted electrical system comprises a battery pack, a high-voltage box and at least one controller, wherein the first end of a first lead of the high-voltage box is connected with the first end of each second lead, the first end of a third lead is connected with the first end of a fourth lead, and each second lead and/or the third lead corresponding to the second lead are/is provided with a switch.
Fig. 3 is a second schematic structural diagram of the vehicle-mounted electrical system provided by the present invention. The vehicle-mounted electric system of the utility model is described below with reference to fig. 3. As shown in fig. 2, battery pack 201, including a second number of battery packs 301; the battery packs 301 are connected in parallel.
In a case where the battery pack 201 includes a plurality of battery packs 301, the battery packs 301 are connected in series.
In the embodiment of the present invention, when the battery pack 201 includes a plurality of battery packs 301, the battery packs 201 are connected in parallel, so as to better satisfy the power supply requirement of the power receiving device with high power and high current; in addition, when one or more battery packs 301 have a fault, the power supply is not interrupted, and the normal operation of the power receiving device is ensured.
In the case where the battery pack 201 includes a plurality of battery packs 301 and the battery packs 301 are connected in parallel, the battery packs 301 of the same specification, model, or the like may be selected, so that the service life of the battery pack 201 can be prolonged.
It should be noted that the second number may be determined according to actual conditions. The second number is not particularly limited in the embodiment of the present invention.
The battery pack in the vehicle-mounted electrical system in the embodiment of the utility model comprises a plurality of battery packs, and the battery packs are connected in parallel, so that the power supply requirement of high-power and high-current power receiving equipment can be better met, and the safety of the electrical system can be improved.
Based on the content of the above embodiments, the system further includes: a second number of hall sensors 302, the hall sensors 302 corresponding to the battery pack 301.
And the hall sensor 302 is used for acquiring the parameters of the corresponding battery pack 301.
The hall sensor 302, which is a magnetic field sensor made according to the hall effect, can be used to measure current and voltage of arbitrary waveforms.
As shown in fig. 2, in the case where the battery pack 201 includes a plurality of battery packs 301, each hall sensor 302 may correspond to one battery pack 301 and may be connected in series with the battery pack 301, so that the current and voltage output from the battery pack 301 may be measured, and the operation state of the battery pack 301 may be monitored and analyzed based on the measurement result.
In the embodiment of the utility model, each battery pack in the vehicle-mounted electrical system is connected with one Hall sensor in series, so that the current and the voltage output by each battery pack can be measured, the running states of each battery pack and the battery pack can be monitored and analyzed based on the measurement result, and the safety of the electrical system can be improved.
Based on the above embodiments, at least one controller 202 is an all-in-one controller.
The all-in-one controller is used for controlling a plurality of power receiving devices.
Specifically, in the vehicle-mounted electrical system, a plurality of controllers can be integrated through the all-in-one controller, so that the phenomenon of electromagnetic compatibility among the controllers can be avoided. As shown in fig. 3, the controller 202 in fig. 2 may be an all-in-one controller, and may be connected to a plurality of power receiving devices 304 respectively. Among other things, powered device 304 may include, but is not limited to: a main pump motor, an upper motor, a steering motor, an air pump and the like.
The all-in-one controller may also be connected to a load 303.
The battery pack 201 may supply power to the powered device 304 via the high voltage box 101 and the all-in-one controller 202.
It should be noted that the vehicle-mounted electrical system may include an all-in-one controller for controlling the plurality of powered devices 304; the electrical system may further include an all-in-one controller and at least one controller 202, and the all-in-one controller is connected in parallel with each controller 202.
The vehicle-mounted electrical system comprises at least one all-in-one controller, and the plurality of power receiving equipment can be simultaneously controlled by the all-in-one controller, so that the phenomenon of electromagnetic compatibility among the controllers can be avoided, and the safety of the electrical system can be improved.
Based on the contents of the above embodiments, the all-in-one controller 202 is provided with the charging port 305.
Specifically, as shown in fig. 2, the all-in-one controller 202 may further be provided with a charging port 305, and may be connected to a charging pile 306 through the charging port 305. After the current output by the charging post 306 flows into the all-in-one controller 202 through the charging port 305, the current can flow into the high voltage box 101 and flow into the battery pack 201 through the high voltage box 101 to charge the battery pack 201.
In the embodiment of the utility model, the charging pile can charge the battery pack through the charging port of the all-in-one controller.
Based on the content of the above embodiments, a vehicle includes: the vehicle-mounted electric system is described above.
Specifically, the vehicle in the embodiment of the present invention, including the vehicle-mounted electrical system in the embodiments of the present invention, may cut off the faulty shunt circuit for maintenance while maintaining normal operation of other controllers.
The specific structure of the electrical system can be referred to the content of the embodiments of the present invention, and is not described herein again.
The vehicle-mounted electrical system in the embodiment of the utility model comprises a high-voltage box, wherein the first end of a first lead of the high-voltage box is connected with the first end of each second lead, the first end of each third lead is connected with the first end of a fourth lead, and each second lead and/or the third lead corresponding to the second lead are/is provided with a switch, so that a sub-loop with a fault can be cut off for maintenance under the condition of keeping normal operation of other controllers, the vehicle-mounted electrical system can be flexibly and pertinently maintained, and the complexity of power distribution of the vehicle-mounted electrical system can be simplified.
Based on the content of the above embodiments, a work machine includes: the vehicle-mounted electric system is described above.
Specifically, the working machine in the embodiment of the present invention, including the vehicle-mounted electrical system in the embodiments of the present invention, can cut off the faulty branch circuit for maintenance while maintaining normal operation of other controllers.
The specific structure of the electrical system can be referred to the content of the embodiments of the present invention, and is not described herein again.
The vehicle-mounted electrical system in the working machine in the embodiment of the utility model comprises a high-voltage box, wherein the first end of a first lead of the high-voltage box is connected with the first end of each second lead, the first end of a third lead is connected with the first end of a fourth lead, and each second lead and/or the third lead corresponding to the second lead are/is provided with a switch, so that a sub-loop with a fault can be cut off for maintenance under the condition that the normal operation of other controllers is kept, the vehicle-mounted electrical system can be flexibly and pertinently maintained, and the complexity of power distribution of the vehicle-mounted electrical system can be simplified.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. A high voltage cartridge, comprising: a first conductive line, a second conductive line, a third conductive line, and a fourth conductive line; the second conducting wires correspond to the third conducting wires, and the number of the second conducting wires and the number of the third conducting wires are both the first number;
the first end of the first conducting wire is connected with the first end of each second conducting wire, and the first end of the third conducting wire is connected with the first end of the fourth conducting wire;
and a switch is arranged on the second lead and/or a third lead corresponding to the second lead.
2. The high voltage cartridge of claim 1, further comprising: an insulation detection module;
the insulation detection module is respectively connected with the first lead and the fourth lead.
3. The high voltage cartridge of claim 1, further comprising: a contactor;
the contactor is disposed on the first wire or the fourth wire.
4. A high voltage cartridge according to any one of claims 1 to 3, wherein the switch is a manual service switch.
5. An onboard electrical system, comprising: a battery pack, at least one controller and a high voltage cartridge as claimed in any one of claims 1 to 4;
the first terminal of the battery pack is connected with the second end of the first lead in the high-voltage box; a second terminal of the battery pack is connected with a second end of a fourth wire in the high voltage box;
the first terminal of the controller is connected with the second end of a second wire in the high-voltage box, and the second terminal of the controller is connected with the second end of a third wire corresponding to the second wire;
wherein the number of controllers is not greater than the first number.
6. The on-board electrical system of claim 5, wherein the battery pack comprises a second number of battery packs; the battery packs are connected in parallel.
7. The on-board electrical system of claim 6, further comprising: a second number of hall sensors; the Hall sensor corresponds to the battery pack;
and the Hall sensor is used for acquiring the parameters of the corresponding battery pack.
8. The on-board electrical system according to any one of claims 5 to 7, wherein at least one of the controllers is an all-in-one controller;
the all-in-one controller is used for controlling a plurality of power receiving devices.
9. The on-board electrical system of claim 8, wherein the all-in-one controller is provided with a charging port.
10. A vehicle, characterized by comprising: the vehicular electric system according to any one of claims 5 to 9.
11. A work machine, comprising: the vehicular electric system according to any one of claims 5 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122352505.2U CN216214657U (en) | 2021-09-27 | 2021-09-27 | High-voltage box, vehicle-mounted electrical system, vehicle and working machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122352505.2U CN216214657U (en) | 2021-09-27 | 2021-09-27 | High-voltage box, vehicle-mounted electrical system, vehicle and working machine |
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| Publication Number | Publication Date |
|---|---|
| CN216214657U true CN216214657U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122352505.2U Active CN216214657U (en) | 2021-09-27 | 2021-09-27 | High-voltage box, vehicle-mounted electrical system, vehicle and working machine |
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| Country | Link |
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| CN (1) | CN216214657U (en) |
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2021
- 2021-09-27 CN CN202122352505.2U patent/CN216214657U/en active Active
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