CN114336538A - Intelligent power distribution system of unmanned vehicle - Google Patents
Intelligent power distribution system of unmanned vehicle Download PDFInfo
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- CN114336538A CN114336538A CN202111652325.4A CN202111652325A CN114336538A CN 114336538 A CN114336538 A CN 114336538A CN 202111652325 A CN202111652325 A CN 202111652325A CN 114336538 A CN114336538 A CN 114336538A
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Abstract
The embodiment of the invention discloses an intelligent power distribution system of an unmanned vehicle, which comprises a plurality of detection modules, a plurality of detection circuits, a control module and a plurality of switch modules; the detection module is arranged in the detection circuit and used for acquiring circuit information of the detection circuit; the control module is in communication connection with the detection module and is used for receiving the circuit information, judging whether the detection circuit is normal according to the circuit information and generating a control instruction based on the circuit information; the switch module is arranged in the detection circuit, is in communication connection with the control module, and is used for receiving the control instruction and conducting or switching off according to the control instruction. The control module in the intelligent power distribution system provided by the embodiment of the invention judges whether the detection circuit is normal or not by acquiring the circuit information of the detection circuit, and controls the connection or disconnection of the detection circuit according to the judgment information, so that the fault report, the accurate judgment and the like of the detection circuit are realized, and the limitation that the manual judgment is needed when the fault of the detection circuit occurs and is eliminated at present is overcome.
Description
Technical Field
The invention relates to the field of unmanned vehicles, in particular to an intelligent power distribution system of an unmanned vehicle.
Background
The on-board power distribution device is generally composed of a fuse box, in which a fuse and a relay are integrated. When the circuit is in fault or abnormal, the fuse can be fused to cut off the current when the current is abnormally increased to a certain height and a certain value, thereby playing a role in protecting the safe operation of the circuit.
Each part of electrical equipment of the automobile is individually distributed with a relay and a fuse, and the wiring harness of the automobile body is complex. Current intelligent power distribution module controls relay output through the CAN communication, compares in traditional fuse box and need draw the control end of relay out VCU control, greatly reduced pencil complexity. However, various conditions of the current intelligent power distribution module need to be analyzed and controlled by a driver, and the current intelligent power distribution module is not suitable for unmanned vehicles.
Disclosure of Invention
In view of this, the embodiment of the present invention provides an intelligent power distribution system for an unmanned vehicle, which implements non-manual detection and troubleshooting of a detection circuit fault, improves the practicability and functional diversity of the intelligent power distribution system, and is suitable for the unmanned vehicle.
In a first aspect, an embodiment of the present invention provides an intelligent power distribution system for an unmanned vehicle, including multiple detection modules, multiple detection circuits, a control module, and multiple switch modules;
the detection module is arranged in the detection circuit and used for acquiring circuit information of the detection circuit;
the control module is in communication connection with the detection module and is used for receiving the circuit information, judging whether the detection circuit is normal according to the circuit information and generating a control instruction based on the circuit information;
the switch module is arranged in the detection circuit, is in communication connection with the control module, and is used for receiving the control instruction and switching on or off according to the control instruction.
Optionally, the detection module includes a current detection unit and a voltage detection unit;
the switch module comprises a solid state relay;
the current detection unit is used for detecting current information in the detection circuit, and the voltage detection unit is used for detecting voltage information in the detection circuit;
the control module is respectively in communication connection with the current detection unit and the voltage detection unit, and is used for receiving the current information and the voltage information, judging whether the detection circuit is normal according to the current information and the voltage information, and generating a control instruction based on the current information and the voltage information;
the solid-state relay is arranged in the detection circuit, is in communication connection with the control module, and is used for receiving the control instruction and is switched on or switched off according to the control instruction.
Optionally, the detection circuit includes a high-voltage signal input detection circuit, at least three high-voltage signal output detection circuits, a low-voltage signal input detection circuit, and at least two low-voltage signal output detection circuits;
the high-voltage signal input detection circuit is respectively electrically connected with a high-voltage power supply and the high-voltage signal output detection circuit, and the high-voltage signal output detection circuit is electrically connected with high-voltage electric equipment;
the low-voltage signal input detection circuit is respectively electrically connected with a low-voltage power supply and the low-voltage signal output detection circuit, and the low-voltage signal output detection circuit is electrically connected with low-voltage electric equipment.
Optionally, the at least three high-voltage signal output detection circuits include a first high-voltage signal output detection circuit, a second high-voltage signal output detection circuit, and a third high-voltage signal output detection circuit;
the first high-voltage signal output detection circuit is electrically connected with first high-voltage electric equipment, the second high-voltage signal output detection circuit is electrically connected with second high-voltage electric equipment, and the working voltage of the first high-voltage electric equipment is greater than that of the second high-voltage electric equipment;
and the third high-voltage signal output detection circuit is electrically connected with the low-voltage signal input detection circuit.
Optionally, the intelligent power distribution system further includes an isolation conversion module;
the isolation conversion module is electrically connected with the third high-voltage signal output detection circuit and the low-voltage signal output detection circuit respectively.
Optionally, the isolation module includes an isolation unit and a voltage conversion unit.
Optionally, the intelligent power distribution system further includes a pre-charging module;
the pre-charging module comprises a first pre-charging module, the first pre-charging module comprises a first pre-charging unit and at least three second pre-charging units, and the second pre-charging units comprise a second pre-charging unit, a second pre-charging unit and a second sub-charging unit;
the first pre-charging unit is respectively electrically connected with the high-voltage signal input detection circuit and the high-voltage power supply; the second pre-charging unit is respectively electrically connected with the first high-voltage signal output detection circuit and the first high-voltage electric equipment, the second pre-charging unit is respectively electrically connected with the second high-voltage signal output detection circuit and the second high-voltage electric equipment, and the second pre-charging unit is respectively electrically connected with the third high-voltage signal output detection circuit and the low-voltage signal input detection circuit.
Optionally, the pre-charging module further includes a second pre-charging module;
the intelligent power distribution system further comprises a second pre-charge voltage detection unit;
the second pre-charging module is respectively electrically connected with the high-voltage signal input detection circuit and the first high-voltage signal output detection circuit;
the second pre-charging voltage detection unit is used for detecting the pre-charging voltage information of the second pre-charging module.
Optionally, the intelligent power distribution system further includes an insulation detection module;
the insulation detection module comprises a first insulation detection unit and at least three second insulation detection units, wherein each second insulation detection unit comprises a second insulation detection unit, a second diethyl insulation detection unit and a second dipropyl insulation detection unit;
the first insulation detection unit is respectively electrically connected with the high-voltage signal input detection circuit and the high-voltage power supply; the second insulation detection unit is respectively electrically connected with the first high-voltage signal output detection circuit and the first high-voltage electric equipment, the second diethyl insulation detection unit is respectively electrically connected with the second high-voltage signal output detection circuit and the second high-voltage electric equipment, and the second dipropyl insulation detection unit is respectively electrically connected with the third high-voltage signal output detection circuit and the low-voltage signal input detection circuit.
Optionally, the intelligent power distribution system further includes a plurality of fuses;
the fuse is arranged in the detection circuit in series.
According to the intelligent power distribution system of the unmanned vehicle, the detection module is in communication connection with the control module, the detection module acquires circuit information of a detection circuit where the detection module is located and transmits the circuit information to the control module, the control module is in communication connection with the switch module, the control module judges the circuit information of the detection circuit and controls the switch module to be switched on and off so as to control the detection circuit to be switched on and off. The intelligent power distribution system provided by the embodiment of the invention does not need a driver to judge the detection circuits one by one, the control module can accurately judge and investigate the plurality of detection circuits, the working efficiency of the intelligent power distribution system is improved, the control module controls the detection circuits on the basis of the on and off of the circuit information control switch module, meanwhile, the maintenance and recovery of the faults of the detection circuits are facilitated, the practicability and the functional diversity of the intelligent power distribution system are improved, and the intelligent power distribution system is suitable for unmanned vehicles.
Drawings
In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, a brief description is given below of the drawings used in describing the embodiments. It should be clear that the described figures are only views of some of the embodiments of the invention to be described, not all, and that for a person skilled in the art, other figures can be derived from these figures without inventive effort.
Fig. 1 is a schematic structural diagram of an intelligent power distribution system of an unmanned vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an intelligent power distribution system of another unmanned vehicle provided by an embodiment of the invention;
fig. 3 is a schematic structural diagram of an intelligent power distribution system of another unmanned vehicle according to an embodiment of the present invention.
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 fully described by the detailed description with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are a part of the embodiments of the present invention, not all embodiments, and all other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without inventive efforts fall within the scope of the present invention.
Fig. 1 is a schematic structural diagram of an intelligent power distribution system of an unmanned vehicle according to an embodiment of the present invention, and as shown in fig. 1, an intelligent power distribution system 10 of an unmanned vehicle includes a plurality of detection modules 110, a plurality of detection circuits 120, a control module 130, and a plurality of switch modules 140; the detection module 110 is disposed in the detection circuit 120 and configured to obtain circuit information of the detection circuit 120; the control module 130 is in communication connection with the detection module 110, and is configured to receive the circuit information, determine whether the detection circuit 120 is normal according to the circuit information, and generate a control instruction based on the circuit information; the switch module 140 is disposed in the detection circuit 120 and is in communication connection with the control module 130, and is configured to receive a control instruction and turn on or off according to the control instruction.
The intelligent power distribution system 10 comprises a plurality of detection modules 110 and a plurality of detection circuits 120, each detection circuit 120 is provided with the detection module 110, the detection modules 110 are used for automatically acquiring circuit information on the detection circuit 120, the limitation that corresponding instructions are output by a driver to acquire the circuit information on the detection circuit 120 can be eliminated, and the intelligent power distribution system 10 is applied to unmanned vehicles to better realize unmanned driving. The intelligent power distribution system 10 further includes a control module 130, and the control module 130 implements control of the detection circuit 120 based on the acquired circuit information.
Specifically, the control module 130 and the plurality of detection modules 110 are in communication connection to realize stable interaction of information. For example, the detection module 110 and the detection modules 110 on the respective detection circuits 120 may be connected through a CAN communication form, and the communication form of the control module 130 and the detection modules 110 is not specifically limited in the embodiment of the present invention. The control module 130 acquires the circuit information on the plurality of detection circuits 120 in a communication connection manner, and determines whether each detection circuit 120 normally operates based on the acquired circuit information, so that the fault of the plurality of detection circuits 120 is accurately located, and the working efficiency of the intelligent power distribution system 10 is improved.
Specifically, the control module 130 and the plurality of switch modules 140 are communicatively connected to achieve stable interaction of information. Control module 130 may reduce the complexity of the wiring harness of intelligent power distribution system 10 by interfacing with light opening module 140 and detection module 110 in a communicative connection. The control module 130 generates a corresponding control instruction based on the judgment on whether the detection circuit 120 works normally, and controls the switch module 140 on the detection circuit 120 to be switched on or off, so as to control the switch on or off of the detection circuit 120. For example, the detection module 110 acquires circuit information of the detection circuit 120 and transmits the circuit information to the control module 130, the control module 130 determines whether the acquired circuit information is normal based on pre-stored normal circuit information, and if the acquired circuit information is abnormal, the control module 130 controls the switch module 140 on the detection circuit 120 to be switched off, so that the detection circuit 120 is protected, and the control speed and the safety stability of the intelligent power distribution system 10 are improved.
Further, if the control module 130 determines that the circuit information acquired by the detection module 110 is normal, the switch module 140 may be turned off by a false touch, and the control module 130 may control the switch module 140 to be turned on to recover the conduction of the detection circuit 120. If the fault of the detection circuit 110 is eliminated, the control module may also control the switch module 140 to be turned on, and the conduction of the detection circuit 120 is restored. Through the control of the control module 130 to the switch module 140, the protection of the intelligent power distribution system 10 to the detection circuit 120 and the timely recovery of the detection circuit 120 are realized, and the safety and stability of the intelligent power distribution system 10 are further improved.
In summary, the intelligent power distribution system of the unmanned vehicle provided by the embodiment of the invention does not need the driver to judge the detection circuits one by one, the control module can accurately judge and investigate the plurality of detection circuits, the working efficiency of the intelligent power distribution system is improved, the control module controls the on and off of the switch module based on the circuit information to realize the control of the detection circuits, meanwhile, the maintenance and recovery of the faults of the detection circuits are facilitated, the practicability and the functional diversity of the intelligent power distribution system are improved, and the intelligent power distribution system is suitable for the unmanned vehicle.
Fig. 2 is a schematic structural diagram of an intelligent power distribution system of another unmanned vehicle according to an embodiment of the present invention, and referring to fig. 2, a detection module 110 includes a current detection unit 111 and a voltage detection unit 112; the switching module 140 includes a solid state relay 141; the current detection unit 111 is used for detecting current information in the detection circuit 120, and the voltage detection unit 112 is used for detecting voltage information in the detection circuit 120; the control module 130 is in communication connection with the current detection unit 111 and the voltage detection unit 112, respectively, and is configured to receive the current information and the voltage information, determine whether the detection circuit 120 is normal according to the current information and the voltage information, and generate a control instruction based on the current information and the voltage information; the solid-state relay 141 is disposed in the detection circuit 120 and is in communication connection with the control module 130, and is configured to receive a control instruction and turn on or off according to the control instruction.
Specifically, the detection module 110 is disposed in the detection circuit 120 and configured to obtain circuit information of the detection circuit 120, where the circuit information includes current information and voltage information. The detection module 110 includes a current detection unit 111 and a voltage detection unit 112, the current detection unit 111 can detect current information in the detection circuit 120, and the voltage detection unit 112 can detect voltage information in the detection circuit 120, for example, the current detection unit 111 may be an ammeter, the voltage detection unit 112 may be a voltmeter, and the apparatus for acquiring current and voltage is not specifically limited in the embodiment of the present invention. The current detection unit 111 and the voltage detection unit 112 in the detection circuit 120 are communicatively connected to the control module 130, and the control module 130 obtains current information and voltage information on the detection circuit 120. The control module 130 determines whether the current and the voltage in the detection circuit 120 are normal based on the current information and the voltage information, and the control module 130 may also calculate the power condition of the electric device based on the acquired current information and the voltage information, count power consumption, and the like, thereby implementing functional diversity of the intelligent power distribution system 10.
Specifically, the switch module 140 includes a solid-state relay 141, and the turning on and off of the solid-state relay 141 controls the turning on and off of the detection circuit 120. The solid-state relay is a novel non-contact switch device which is composed of solid-state electronic elements, and the purpose of connecting and disconnecting a circuit in a non-contact and non-spark mode can be achieved by utilizing the switching characteristics of the electronic elements (such as switching triodes, bidirectional thyristors and other semiconductor devices). The light-switching module 140 may also include a conventional relay to control the on/off of the detection circuit 120, but the solid-state relay 141 has higher reliability and longer service life, so as to improve the safety and stability of the intelligent power distribution system 10. The control module 130 is in communication connection with the solid-state relay 141, generates a corresponding control instruction based on the acquired current information and voltage information, controls the on and off of the solid-state relay 141, controls the on and off of the detection circuit 120, realizes the automatic acquisition of the circuit information by the intelligent power distribution system 10, automatically controls the detection circuit 120, improves the working efficiency of the intelligent power distribution system 10, and is better suitable for unmanned vehicles.
Fig. 3 is a schematic structural diagram of another intelligent power distribution system of an unmanned vehicle according to an embodiment of the present invention, and as shown in fig. 3, the detection circuit 120 includes a high voltage signal input detection circuit 121, at least three high voltage signal output detection circuits 122, a low voltage signal input detection circuit 123, and at least two low voltage signal output detection circuits 124; the high-voltage signal input detection circuit 121 is electrically connected with the high-voltage power supply 20 and the high-voltage signal output detection circuit 122 respectively, and the high-voltage signal output detection circuit 122 is electrically connected with the high-voltage electric equipment 21; the low-voltage signal input detection circuit 123 is electrically connected to the low-voltage power supply 30 and the low-voltage signal output detection circuit 124, respectively, and the low-voltage signal output detection circuit 124 is electrically connected to the low-voltage electric device 31.
The detection circuit 120 in the intelligent power distribution system 10 is located between the power supply device and the electrical device, and ensures that the electrical energy is provided to the electrical device. The intelligent power distribution system 10 includes a power device requiring high voltage, specifically, the detection circuit 120 includes a high voltage signal input detection circuit 121 and at least three high voltage signal output detection circuits 122, the high voltage signal input detection circuit 121 is electrically connected with the high voltage power supply 20, the high voltage signal output detection circuit 122 is electrically connected with the high voltage power device 21, the high voltage signal input detection circuit 121 and the high voltage signal output detection circuit 122 are electrically connected, and the high voltage power supply 20 provides electric energy for the high voltage power device 21.
The intelligent power distribution system 10 includes power consumption devices requiring low voltage, specifically, the detection circuit 120 includes a low voltage signal input detection circuit 123, at least two low voltage signal output detection circuits 124, the low voltage signal input detection circuit 123 is electrically connected with the low voltage power supply 30, the low voltage signal output detection circuit 124 is electrically connected with the low voltage power consumption device 31, the low voltage signal input detection circuit 123 and the low voltage signal output detection circuit 124 are electrically connected, the multiple low voltage signal output detection circuits 124 are electrically connected with the low voltage signal input detection circuit 123 in parallel, and the low voltage power supply 30 is enabled to provide electric energy for the low voltage power consumption device 31.
Illustratively, the voltage supplied by the low-voltage power supply 30 to the low-voltage electric device 31 is lower than the voltage supplied by the high-voltage power supply 20 to the high-voltage electric device 21, the high-voltage power supply 20 may be a 48V lithium battery, a 36V lithium battery or a 72V lithium battery, the low-voltage power supply 30 may be a 12V storage battery, and the specific voltage numbers of the high-voltage power supply 20 and the low-voltage power supply 30 are not limited in the embodiment of the present invention. The plurality of low-voltage electric devices 31 may be some onboard electric devices, and the specific device type of the low-voltage electric device 31 is not limited in the embodiment of the present invention. The control module (not shown in fig. 3) judges the circuit information of the detection circuit 120 and processes the fault, so that the high-voltage electric equipment 21 and the low-voltage electric equipment 31 can work normally, and the practicability of the intelligent power distribution system 10 is improved.
With continued reference to fig. 3, the at least three high voltage signal output detection circuits 122 include a first high voltage signal output detection circuit 122A, a second high voltage signal output detection circuit 122B, and a third high voltage signal output detection circuit 122C; the first high-voltage signal output detection circuit 122A is electrically connected to the first high-voltage electric equipment 21A, the second high-voltage signal output detection circuit 122B is electrically connected to the second high-voltage electric equipment 21B, and the operating voltage of the first high-voltage electric equipment 21A is greater than the operating voltage of the second high-voltage electric equipment 21B; the third high-voltage signal output detection circuit 122C is electrically connected to the low-voltage signal input detection circuit 123.
Specifically, the high-voltage electric equipment 21 includes a first high-voltage electric equipment 21A and a second high-voltage electric equipment 21B, and the operating voltage of the first high-voltage electric equipment 21A is greater than the operating voltage of the second high-voltage electric equipment 21B. For example, the first high-voltage electric device 21A may be a motor controller, which provides power for driving the whole vehicle and requires a higher operating voltage. The second high-voltage electric equipment 21B may be a vehicle-mounted charger or some reserved interfaces, and the required working voltage is lower than the working voltage required by the first high-voltage electric equipment 21A. The high voltage signal output detection circuit 122 includes a first high voltage signal output detection circuit 122A and a second high voltage signal output detection circuit 122B, and transmits power to the first high voltage electric device 21A and the second high voltage electric device 21B.
Further, the high voltage signal output detection circuit 122 further includes a third high voltage signal output detection circuit 122C, and the high voltage power supply 20 is electrically connected to the low voltage power supply 30 through the third high voltage signal output detection circuit 122C, so as to ensure that the high voltage power supply 20 provides electric energy for the low voltage power supply 30. Illustratively, the high voltage power supply 20 is a 48V lithium battery, the low voltage power supply 30 is a 12V battery, and the 48V lithium battery supplies power to the 12V battery through the third high voltage signal output detection circuit 122C. The low voltage power supply 30 supplies power to the low voltage electric devices 31 through the low voltage signal output detection circuit 124. The detection module 110 acquires circuit information of each detection circuit 120, so that the control module controls and protects each detection circuit 120, and the safety, reliability and practicability of the intelligent power distribution system 10 are improved.
Continuing to refer to fig. 3, intelligent power distribution system 10 also includes an isolation conversion module 150; the isolation conversion module 150 is electrically connected to the third high-voltage signal output detection circuit 122C and the low-voltage signal output detection circuit 123, respectively.
Specifically, the intelligent power distribution system 10 further includes an isolation conversion module 150, and the isolation conversion module 150 converts the high voltage provided by the high voltage power supply 20 into the voltage required by the low voltage power supply 30. The isolation conversion module 150 is electrically connected to the third high-voltage signal output detection circuit 122C and the low-voltage signal output detection circuit 123, wherein the current detection unit 111 and the voltage detection unit 112 acquire circuit information of the third high-voltage signal output detection circuit 122C and the low-voltage signal output detection circuit 123, the control module determines whether the third high-voltage signal output detection circuit 122C and the low-voltage signal output detection circuit 123 are normal or not, and controls the detection circuits through the solid-state relay 141, so that the intelligent power distribution system 10 can efficiently and accurately control the detection circuits 120, and can accurately position when a fault occurs.
Further, the isolation module 150 includes an isolation unit and a voltage conversion unit.
The isolation module 150 includes a voltage conversion unit for converting the voltage provided by the high-voltage power supply 20 into the voltage required by the low-voltage power supply 30, and the isolation module 150 may include a DCDC converter. The isolation module 150 further includes an isolation unit, which ensures that the transmission of the third high-voltage signal output detection circuit 122C is not affected by other high-voltage signal output detection circuits 122, and improves the safety and stability of the operation of the intelligent power distribution system 10.
Continuing to refer to fig. 3, intelligent power distribution system 10 also includes a pre-charge module 160; the pre-charge module 160 includes a first pre-charge module 161, the first pre-charge module 161 including a first pre-charge unit 161A and at least three second pre-charge units 161B, the second pre-charge units 161B including a second pre-charge unit 161B1, a second pre-charge unit 161B2 and a second sub-charge unit 161B 3; the first precharge unit 161A is electrically connected to the high voltage signal input detection circuit 121 and to the high voltage power supply 20, respectively; the second precharge unit 161B1 is electrically connected to the first high-voltage signal output detection circuit 122A and the first high-voltage electric device 21A, the second precharge unit 161B2 is electrically connected to the second high-voltage signal output detection circuit 122B and the second high-voltage electric device 21B, and the second precharge unit 161B3 is electrically connected to the third high-voltage signal output detection circuit 122C and the low-voltage signal input detection circuit 123, respectively.
Wherein, intelligent power distribution system 10 still includes pre-charge module 160, through set up pre-charge module 160 on high-voltage signal input detection circuitry 121 and high-voltage signal output detection circuitry 122, can prevent that the instant that solid state relay 141 switches on or shuts off from producing too big electric current, plays the effect of protection detection circuitry 120, promotes intelligent power distribution system 10's safety and stability.
Specifically, the pre-charge module 160 includes a first pre-charge module 161, and a first pre-charge unit 161A included in the first pre-charge module 161 is disposed on the high voltage signal input detection circuit 121 to prevent the high voltage power supply 20 from providing an instantaneous high current and protect the high voltage signal input detection circuit 121. The second precharge unit 161B further includes a second precharge unit 161B1, a second precharge unit 161B2 and a second sub-precharge unit 161B3 respectively disposed on the first high-voltage signal output detection circuit 122A, the second high-voltage signal output detection circuit 122B and the third high-voltage signal output detection circuit 122C, and the second precharge unit 161B can prevent an excessive current from being generated when the high-voltage electric device 21 is supplied with electric power and prevent an excessive current from being generated when the low-voltage power supply 30 is supplied with electric power to damage the detection circuit 120. By arranging the pre-charging module 160, the safety and stability of the intelligent power distribution system 10 are improved.
With continued reference to fig. 3, the pre-charge module 160 further includes a second pre-charge module 162; the intelligent power distribution system 10 further includes a second precharge voltage detection unit 163; the second pre-charging module 162 is electrically connected to the high-voltage signal input detection circuit 121 and the first high-voltage signal output detection circuit 122A, respectively; the second precharge voltage detection unit 163 is used to detect the precharge voltage information of the second precharge module 162.
The pre-charging module 160 further includes a second pre-charging module 162, and the high-voltage signal input detection circuit 121 and the first high-voltage signal output detection circuit 122A are electrically connected through the second pre-charging module 162. The first high voltage signal output detection circuit 122A is electrically connected to the first high voltage electric device 21A, and the detection circuit 120 provides a higher operating voltage to the first high voltage electric device 21A, so the second precharge module 162 is provided to protect the first high voltage signal output detection circuit 122A, thereby preventing the generation of a higher current due to power supply. Meanwhile, the second pre-charging module 162 plays a role in active discharging in the first high-voltage signal output detection circuit 122A and the first high-voltage electric equipment 21A, and can quickly discharge residual voltage after the high-voltage power supply 20 is powered off, so that the safety of the intelligent power distribution system 10 is improved.
Further, by setting the second pre-charge voltage detecting unit 163 to detect the pre-charge voltage information of the second pre-charge module 162, the control module can determine the pre-charge degree of the second pre-charge module 162 and determine the remaining voltage of the active discharge at the same time by acquiring the pre-charge voltage information.
With continued reference to fig. 3, the intelligent power distribution system 10 also includes an insulation detection module 170; the insulation detecting module 170 includes a first insulation detecting unit 171 and at least three second insulation detecting units 172, and the second insulation detecting units 172 include a second insulation detecting unit 172A, a second diethyl insulation detecting unit 172B, and a second dipropyl insulation detecting unit 172C; the first insulation detection unit 171 is electrically connected to the high voltage signal input detection circuit 121 and the high voltage power supply 20, respectively; the second insulation detection unit 172A is electrically connected to the first high-voltage signal output detection circuit 122A and the first high-voltage electric equipment 21A, the second insulation detection unit 172B is electrically connected to the second high-voltage signal output detection circuit 122B and the second high-voltage electric equipment 21B, and the second insulation detection unit 172C is electrically connected to the third high-voltage signal output detection circuit 122C and the low-voltage signal input detection circuit 123.
Wherein, intelligent power distribution system 10 still includes insulating detection module 170, through set up insulating detection module 170 on high voltage signal input detection circuitry 121 and high voltage signal output detection circuitry 122, can prevent when troubleshooting detection circuitry 120, more accurate finding out the detection circuitry 120 that breaks down, not influenced by other detection circuitry 120, promote intelligent power distribution system 10's security when repairing the detection circuitry 120 trouble simultaneously.
Specifically, the first insulation detection unit 171 included in the insulation detection module 170 is disposed on the high voltage signal input detection circuit 121, and protects the high voltage signal input detection circuit 121. The second insulation detection unit 172 includes a second insulation detection unit 172A, a second insulation detection unit 172B, and a second insulation detection unit 172C, which are respectively disposed on the first high voltage signal output detection circuit 122A, the second high voltage signal output detection circuit 122B, and the third high voltage signal output detection circuit 122C, and the second insulation detection unit 172A and the second insulation detection unit 172B are disposed to protect the high voltage signal output detection circuit 122, and the second insulation detection unit 172C is disposed to protect the third high voltage signal output detection circuit 122C when high voltage is converted into low voltage. By arranging the pre-charging module 160, the safety and stability of the intelligent power distribution system 10 are improved.
Referring to fig. 3, the intelligent power distribution system 10 further includes a plurality of fuses 180; the fuse 180 is serially disposed in the detection circuit 120.
Specifically, the fuse 180 is serially connected to the detection circuit 120 to prevent the control module from controlling the switch module 140 to be abnormal, so as to protect the detection circuit 120 and further improve the safety and stability of the intelligent power distribution system 10.
The above is the core idea of the present invention, and the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative work belong to the protection scope of the present invention.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. The intelligent power distribution system of the unmanned vehicle is characterized by comprising a plurality of detection modules, a plurality of detection circuits, a control module and a plurality of switch modules;
the detection module is arranged in the detection circuit and used for acquiring circuit information of the detection circuit;
the control module is in communication connection with the detection module and is used for receiving the circuit information, judging whether the detection circuit is normal according to the circuit information and generating a control instruction based on the circuit information;
the switch module is arranged in the detection circuit, is in communication connection with the control module, and is used for receiving the control instruction and switching on or off according to the control instruction.
2. The intelligent power distribution system of claim 1, wherein the detection module comprises a current detection unit and a voltage detection unit;
the switch module comprises a solid state relay;
the current detection unit is used for detecting current information in the detection circuit, and the voltage detection unit is used for detecting voltage information in the detection circuit;
the control module is respectively in communication connection with the current detection unit and the voltage detection unit, and is used for receiving the current information and the voltage information, judging whether the detection circuit is normal according to the current information and the voltage information, and generating a control instruction based on the current information and the voltage information;
the solid-state relay is arranged in the detection circuit, is in communication connection with the control module, and is used for receiving the control instruction and is switched on or switched off according to the control instruction.
3. The intelligent power distribution system of claim 2, wherein the detection circuits comprise a high voltage signal input detection circuit, at least three high voltage signal output detection circuits, a low voltage signal input detection circuit, and at least two low voltage signal output detection circuits;
the high-voltage signal input detection circuit is respectively electrically connected with a high-voltage power supply and the high-voltage signal output detection circuit, and the high-voltage signal output detection circuit is electrically connected with high-voltage electric equipment;
the low-voltage signal input detection circuit is respectively electrically connected with a low-voltage power supply and the low-voltage signal output detection circuit, and the low-voltage signal output detection circuit is electrically connected with low-voltage electric equipment.
4. The intelligent power distribution system of claim 3, wherein at least three of the high voltage signal output detection circuits comprises a first high voltage signal output detection circuit, a second high voltage signal output detection circuit, and a third high voltage signal output detection circuit;
the first high-voltage signal output detection circuit is electrically connected with first high-voltage electric equipment, the second high-voltage signal output detection circuit is electrically connected with second high-voltage electric equipment, and the working voltage of the first high-voltage electric equipment is greater than that of the second high-voltage electric equipment;
and the third high-voltage signal output detection circuit is electrically connected with the low-voltage signal input detection circuit.
5. The intelligent power distribution system of claim 4, further comprising an isolation conversion module;
the isolation conversion module is electrically connected with the third high-voltage signal output detection circuit and the low-voltage signal output detection circuit respectively.
6. The intelligent power distribution system of claim 5, wherein the isolation module comprises an isolation unit and a voltage conversion unit.
7. The intelligent power distribution system of claim 4, further comprising a pre-charge module;
the pre-charging module comprises a first pre-charging module, the first pre-charging module comprises a first pre-charging unit and at least three second pre-charging units, and the second pre-charging units comprise a second pre-charging unit, a second pre-charging unit and a second sub-charging unit;
the first pre-charging unit is respectively electrically connected with the high-voltage signal input detection circuit and the high-voltage power supply; the second pre-charging unit is respectively electrically connected with the first high-voltage signal output detection circuit and the first high-voltage electric equipment, the second pre-charging unit is respectively electrically connected with the second high-voltage signal output detection circuit and the second high-voltage electric equipment, and the second pre-charging unit is respectively electrically connected with the third high-voltage signal output detection circuit and the low-voltage signal input detection circuit.
8. The intelligent power distribution system of claim 7, wherein the pre-charge module further comprises a second pre-charge module;
the intelligent power distribution system further comprises a second pre-charge voltage detection unit;
the second pre-charging module is respectively electrically connected with the high-voltage signal input detection circuit and the first high-voltage signal output detection circuit;
the second pre-charging voltage detection unit is used for detecting the pre-charging voltage information of the second pre-charging module.
9. The intelligent power distribution system of claim 4, further comprising an insulation detection module;
the insulation detection module comprises a first insulation detection unit and at least three second insulation detection units, wherein each second insulation detection unit comprises a second insulation detection unit, a second diethyl insulation detection unit and a second dipropyl insulation detection unit;
the first insulation detection unit is respectively electrically connected with the high-voltage signal input detection circuit and the high-voltage power supply; the second insulation detection unit is respectively electrically connected with the first high-voltage signal output detection circuit and the first high-voltage electric equipment, the second diethyl insulation detection unit is respectively electrically connected with the second high-voltage signal output detection circuit and the second high-voltage electric equipment, and the second dipropyl insulation detection unit is respectively electrically connected with the third high-voltage signal output detection circuit and the low-voltage signal input detection circuit.
10. The intelligent power distribution system of claim 1, further comprising a plurality of fuses;
the fuse is arranged in the detection circuit in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111652325.4A CN114336538A (en) | 2021-12-30 | 2021-12-30 | Intelligent power distribution system of unmanned vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111652325.4A CN114336538A (en) | 2021-12-30 | 2021-12-30 | Intelligent power distribution system of unmanned vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN114336538A true CN114336538A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111652325.4A Pending CN114336538A (en) | 2021-12-30 | 2021-12-30 | Intelligent power distribution system of unmanned vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114336538A (en) |
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2021
- 2021-12-30 CN CN202111652325.4A patent/CN114336538A/en active Pending
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