CN111619349A - Power distribution device and vehicle using same - Google Patents
Power distribution device and vehicle using same Download PDFInfo
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- CN111619349A CN111619349A CN201910146819.1A CN201910146819A CN111619349A CN 111619349 A CN111619349 A CN 111619349A CN 201910146819 A CN201910146819 A CN 201910146819A CN 111619349 A CN111619349 A CN 111619349A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0238—Electrical distribution centers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
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- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to a power distribution device and a vehicle using the same. The seat type power distribution device is provided with a wiring port arrangement space communicated with the outside in the base; or a wiring port layout space communicated with the outside is formed between the base and the shell, and the wiring port layout space can be used for arranging wiring ports, so that the arranged wiring ports are arranged in the power distribution device, the occupied space of the power distribution device is reduced, and the whole vehicle layout is facilitated.
Description
Technical Field
The invention relates to the field of new energy vehicles, in particular to a power distribution device and a vehicle using the same.
Background
Along with the continuous promotion of new forms of energy technique, [ electric ] motor coach battery system's configuration electric quantity is bigger and bigger, and the configuration of product is more and more various. Based on the requirement of driving range, the electric bus is configured with electric quantity from 85kWh to 500kWh, the configuration capacity is large, the coverage range is wide, based on the power requirement of the whole bus, the output interface is divided into single-loop output and double-loop output, and the charging mode is divided into single-charging gun charging, double-charging gun charging and pantograph charging. Meanwhile, in order to improve market competitiveness, parts of the whole vehicle are arranged more and more compactly, the size of each part is required to be smaller and smaller, and the requirement on the attractiveness of pipeline lines is higher and higher.
The chinese utility model patent document with the publication number CN205523719U discloses a distribution box, also called a junction box, which comprises a junction box body, a high voltage power supply part and a low voltage power supply part, wherein the high voltage power supply part comprises a high voltage port, and the low voltage power supply part comprises a low voltage port. The arrangement mode of each port on the junction box is as follows: arranged along an extension direction perpendicular to the side to which it is fixed, and each port is arranged projecting out of the terminal block body. The arrangement mode can increase the occupied space of the whole junction box, and when the lines are connected with the corresponding ports, the lines are arranged along the arrangement extending direction of the corresponding ports, so that the occupied space in the horizontal direction is further increased.
Disclosure of Invention
The invention aims to provide a power distribution device and a vehicle using the same, which are used for solving the problem that the occupied space of a junction box is increased due to the fact that each port on the junction box protrudes out of a junction box body.
The invention provides a power distribution device which comprises a shell, wherein a base is arranged at the bottom of the shell, a wiring port arrangement space communicated with the outside is arranged in the base or is formed between the base and the shell, and related wiring ports are arranged in the wiring port arrangement space.
The distribution device can be installed in a seat type, the distribution device is provided with a wiring port arrangement space communicated with the outside in the base, or a wiring port arrangement space communicated with the outside is formed between the base and the shell, and related wiring ports are arranged in the wiring port arrangement space, so that the wiring ports do not protrude out of the distribution device body and are equivalently arranged in the distribution device, the occupation of the space outside the distribution device is avoided, the occupation space of the distribution device is reduced, and the distribution device is favorable for the arrangement of the whole vehicle; and the wiring positions of the related wiring ports and the connecting cables can also be arranged in the power distribution device, so that the occupation of the external space of the power distribution device is effectively saved.
Further, each wiring port in the relevant wiring port is laid down, and the axial direction perpendicular to of each wiring port the plane arrangement of the downside place of casing, relevant wiring port adopt perpendicular installation for whole car chassis, avoid relevant wiring port to produce horizontal stress to the connector of wiring port department because of the horizontal design, long-term the use leads to the circumstances that the protection level reduces, is convenient for simultaneously whole car pipeline design, reduces the degree of difficulty of pencil arrangement.
Further, in order to facilitate the support of the shell and provide a relatively sufficient wiring port layout space, the base is composed of two supporting bodies which are fixed below the lower side surface of the shell and arranged on the left side and the right side of the lower side surface of the shell respectively, and the supporting bodies are supporting blocks extending along the front-back direction.
Furthermore, the relevant wiring port is the power port, the power port is including the battery port that is used for connecting power battery, the electric energy output port that is used for the power supply to connect relevant power equipment and the port that charges that is used for charging, because the power cable that the power port needs to be connected is bulky, the quantity is more, and the space that the power cable occupy can effectually be saved in this setting.
Furthermore, in order to reduce the length of the power ports arranged in the left-right direction and further reduce the size of the whole power distribution device, each wiring port in the power ports is divided into two rows of wiring ports along the front-back direction, each row of wiring ports are sequentially arranged along the left-right direction of the shell, and the two rows of wiring ports are arranged in a staggered mode.
Further, in order to facilitate the detachment and installation of the power port, the power port module formed by the power port is embedded and arranged on the front side face of the shell, and the area of the power port module on the front side face forms the power port area.
Further, in order to reasonably utilize the areas on the two sides of the power port area, heat management port areas for supplying power and connecting external heating equipment and/or external cooling equipment are arranged on the front side surface and on the left side and the right side of the power port area, and a positive port and a negative port are arranged in the heat management port areas.
Furtherly, for the convenience of high voltage transmission line maintenance, improve the circuit and overhaul the security, laid in the casing and be used for connecting the anodal electric energy transmission line of power battery and be used for connecting the negative pole electric energy transmission line of power battery negative pole, be provided with on the leading flank and be used for inserting and be in anodal manual maintenance switch on the anodal electric energy transmission line is in with being used for inserting the manual maintenance switch of negative pole on the negative pole electric energy transmission line. Further, in order to realize high-low pressure separation and reduce electromagnetic interference, a low-pressure port area is scribed on the left side surface of the shell, and a communication interface for realizing communication signal transmission is arranged in the low-pressure port area.
Furthermore, in order to realize the functions of temperature detection, switch control and the like of each key electrical node in the high-voltage distribution device, a positive charging line for connecting a positive charging port and a positive electric energy transmission line and a negative charging line for connecting a negative charging port and a negative electric energy transmission line are arranged in the shell, a positive charging control switch is arranged on the positive charging line in series, a negative charging control switch is arranged on the negative charging line in series, and control signals of the positive charging control switch and the negative charging control switch are transmitted by the communication interface; a current sensor is serially arranged on the positive electric energy transmission line, a temperature sensor is arranged at the position, close to the shell, of the positive manual maintenance switch, and collected signals of the current sensor and the temperature sensor are transmitted by the communication interface; the heating circuit that is used for connecting the heating port in the casing is gone up the cluster and is equipped with heating control switch, the cooling circuit that is used for connecting the cooling port in the casing is gone up the cluster and is equipped with fuse and cooling control switch, heating control switch and cooling control switch's control signal by communication interface transmits. The temperature sensors are designed near the positive and negative manual maintenance switches, so that the state of the manual maintenance switches can be monitored in real time, early warning can be performed in advance once faults occur, and the safety of drivers and passengers is improved. In addition, various electrical configurations are compatible in the single power distribution device, the diversified configuration requirements of the electric motor coach are met, the compatibility of products with single specifications is improved, the specification number of the power distribution device of the electric motor coach is reduced, the repeated design workload is reduced, the using amount of products with single specifications is increased, and the cost is reduced.
The invention provides a vehicle using a power distribution device, which comprises an automobile body and the power distribution device, wherein the power distribution device comprises a shell, the bottom of the shell is provided with a base, a wiring port arrangement space communicated with the outside is arranged in the base or is formed between the base and the shell, and related wiring ports are arranged in the wiring port arrangement space. The distribution device can be installed in a seat type, a wiring port arrangement space communicated with the outside is formed in the base of the distribution device, or a wiring port arrangement space communicated with the outside is formed between the base and the shell, and related wiring ports are arranged in the wiring port arrangement space, so that the wiring ports do not protrude out of the distribution device body and are equivalently arranged in the distribution device, the occupation of the space outside the distribution device is avoided, the occupation space of the distribution device is reduced, and the distribution device is favorable for the arrangement of the whole vehicle; and the wiring positions of the related wiring ports and the connecting cables can also be arranged in the power distribution device, so that the occupation of the external space of the power distribution device is effectively saved.
Further, each wiring port in the relevant wiring port is laid down, and the axial direction perpendicular to of each wiring port the plane arrangement of the downside place of casing, relevant wiring port adopt perpendicular installation for whole car chassis, avoid relevant wiring port to produce horizontal stress to the connector of wiring port department because of the horizontal design, long-term the use leads to the circumstances that the protection level reduces, is convenient for simultaneously whole car pipeline design, reduces the degree of difficulty of pencil arrangement.
Further, in order to facilitate the support of the shell and provide a relatively sufficient wiring port layout space, the base is composed of two supporting bodies which are fixed below the lower side surface of the shell and arranged on the left side and the right side of the lower side surface of the shell respectively, and the supporting bodies are supporting blocks extending along the front-back direction.
Furthermore, the relevant wiring port is the power port, the power port is including the battery port that is used for connecting power battery, the electric energy output port that is used for the power supply to connect relevant power equipment and the port that charges that is used for charging, because the power cable that the power port needs to be connected is bulky, the quantity is more, and the space that the power cable occupy can effectually be saved in this setting.
Furthermore, in order to reduce the length of the power ports arranged in the left-right direction and further reduce the size of the whole power distribution device, each wiring port in the power ports is divided into two rows of wiring ports along the front-back direction, each row of wiring ports are sequentially arranged along the left-right direction of the shell, and the two rows of wiring ports are arranged in a staggered mode.
Further, in order to facilitate the detachment and installation of the power port, the power port module formed by the power port is embedded and arranged on the front side face of the shell, and the area of the power port module on the front side face forms the power port area.
Further, in order to reasonably utilize the areas on the two sides of the power port area, heat management port areas for supplying power and connecting external heating equipment and/or external cooling equipment are arranged on the front side surface and on the left side and the right side of the power port area, and a positive port and a negative port are arranged in the heat management port areas.
Further, for the convenience of high-voltage line maintenance, laid the anodal electric energy transmission line that is used for connecting the power battery positive pole in the casing and be used for connecting the negative pole electric energy transmission line of power battery negative pole, be provided with on the leading flank and be used for inserting and be in anodal manual maintenance switch on the anodal electric energy transmission line is in with being used for inserting the manual maintenance switch of negative pole on the negative pole electric energy transmission line. Further, in order to realize high-low pressure separation and reduce electromagnetic interference, a low-pressure port area is scribed on the left side surface of the shell, and a communication interface for realizing communication signal transmission is arranged in the low-pressure port area.
Furthermore, in order to realize the functions of temperature detection, switch control and the like of each key electrical node in the high-voltage distribution device, a positive charging line for connecting a positive charging port and a positive electric energy transmission line and a negative charging line for connecting a negative charging port and a negative electric energy transmission line are arranged in the shell, a positive charging control switch is arranged on the positive charging line in series, a negative charging control switch is arranged on the negative charging line in series, and control signals of the positive charging control switch and the negative charging control switch are transmitted by the communication interface; a current sensor is serially arranged on the positive electric energy transmission line, a temperature sensor is arranged at the position, close to the shell, of the positive manual maintenance switch, and collected signals of the current sensor and the temperature sensor are transmitted by the communication interface; the heating circuit that is used for connecting the heating port in the casing is gone up the cluster and is equipped with heating control switch, the cooling circuit that is used for connecting the cooling port in the casing is gone up the cluster and is equipped with fuse and cooling control switch, heating control switch and cooling control switch's control signal by communication interface transmits. The temperature sensors are designed near the positive and negative manual maintenance switches, so that the state of the manual maintenance switches can be monitored in real time, early warning can be performed in advance once faults occur, and the safety of drivers and passengers is improved. In addition, various electrical configurations are compatible in the single power distribution device, the diversified configuration requirements of the electric motor coach are met, the compatibility of products with single specifications is improved, the specification number of the power distribution device of the electric motor coach is reduced, the repeated design workload is reduced, the using amount of products with single specifications is increased, and the cost is reduced.
Drawings
Fig. 1 is an overall configuration diagram of a first power distribution apparatus of the present invention;
fig. 2 is an overall configuration diagram of a second power distribution device of the present invention;
fig. 3 is an overall configuration diagram of a third power distribution apparatus of the present invention;
fig. 4 is an overall configuration diagram of a fourth power distribution apparatus of the present invention;
FIG. 5 is a front view of a power distribution apparatus of the present invention;
FIG. 6 is a bottom view of an electrical distribution device of the present invention;
FIG. 7 is a schematic diagram of the internal wiring connections of an electrical distribution apparatus of the present invention;
FIG. 8 is a left side view of an electrical distribution apparatus of the present invention;
in the figure, 1, power port; 2. a power port region; 3. a positive heating/cooling port; 4. a negative heating/cooling port; 5. a first MSD; 6. a second MSD; 7. a communication interface; 8. a positive charging control switch; 9. a negative charge control switch; 10. a current sensor; 11. a heating control switch; 12. a cooling control switch; 13. a DC/DC converter; 101. a housing; 102. a base; 103. wiring port layout space; 104. and a support body.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Power distribution device embodiment:
the invention provides a power distribution device which comprises a shell, wherein the shell is of a hexahedral structure, and a base is arranged at the bottom of the shell and used for seat-type installation; the shell comprises a front side, a rear side, a left side, a right side, an upper side and a lower side, wherein the side observed from the current visual angle is used as the front side, and the side close to the base is used as the lower side; a wiring port arrangement space communicated with the outside is formed in the base or formed between the base and the housing, for example, as shown in fig. 1 and fig. 2, the base 102 is a solid body, a space communicated with the outside is dug out from the solid body, the three-dimensional shape of the space is not unique, and the space is a wiring port arrangement space 103, or, as shown in fig. 3, the base 102 is formed by at least one supporting mechanism (such as a supporting column or a supporting surface), a wiring port arrangement space 103 is formed between all the supporting mechanisms, or as shown in fig. 4, a certain space is formed between the base 102 and the housing 101, and the space is communicated with the outside to form the wiring port arrangement space 103.
The wiring ports are arranged in the wiring port arrangement space, the related wiring ports are arranged in the space, the arrangement mode of the wiring ports in the space is not unique, and the wiring ports are specifically arranged according to the specific shape of the space, such as: is arranged on the upper inner side wall of the space or is arranged in the space through a bracket.
The related wiring port does not protrude out of the power distribution device body, and the wiring position also enters the interior of the power distribution device when the related wiring port and the connecting cable are connected, so that the occupation of the space outside the power distribution device is avoided.
The axial direction of each of these connection ports is not unique and may be parallel to the plane of the lower side face or perpendicular to the plane of the lower side face. In the invention, each wiring port in the related wiring ports is arranged downwards, and the axial direction of each wiring port is perpendicular to the plane of the lower side surface of the shell, so that cables can be directly led out through the base. When the related wiring port is actually used, the related wiring port can be a power distribution port for power distribution of a whole vehicle.
As shown in fig. 3, the base 102 adopted in the present invention is composed of two supporting bodies 104 fixed below the lower side surface of the casing 101 and respectively arranged at the left and right sides of the lower side surface of the casing 101, wherein the supporting bodies are supporting blocks extending along the front-back direction; the support 104 may be integrally provided with the housing at the upper portion thereof, as shown in fig. 5.
The related wiring ports can be electric connection interfaces which can be used by the whole vehicle, such as power ports, heating or cooling power ports and other power utilization or power supply interfaces, wherein the power ports occupy larger space and have higher danger level, and the power ports are high-voltage power ports such as a charging port of the whole vehicle and a power battery port; therefore, the invention is described by taking the relevant wiring port as an example of a power port, and the power port comprises a battery port for connecting a power battery, an electric energy output port for supplying power and connecting relevant power equipment and a charging port for charging. The power port adopts a metal flange head with a 360-degree shielding function, the electric connection point of the power port and the cable adopts a bolt connection mode, and each port adopts a vertical downward installation mode relative to the base, namely relative to the whole vehicle chassis.
As shown in fig. 5, a front view of the power distribution apparatus is shown, and a front side of the housing is a surface directly viewed from the front view, and the following description is made based on this.
The power port module formed by the power port 1 is embedded and arranged on the front side of the shell, and the area of the power port module on the front side forms the power port area 2. The battery ports are battery total positive k, f and m and battery total negative a, g and b in fig. 5, the power output ports are main loop positive e and main loop negative h in fig. 5, and the charging ports are charging positive d, j and charging negative c and i in fig. 5.
As shown in fig. 6, each wiring port in the power port 1 is divided into two rows of wiring ports, such as a, b, c, d, e, f, g, h, i, j, k, and m, along the front-back direction, each row of wiring ports is sequentially arranged along the left-right direction of the housing, and the two rows of wiring ports are arranged in a staggered manner, so that the length of the high-voltage power distribution device is effectively shortened on the basis of meeting the interface requirements. The positive and negative electrodes of each port can be symmetrically arranged along the central line of the front side surface, and the positive and negative electrodes are prevented from being reversely connected due to operation during installation according to the positive and negative electrode concentrated symmetrical design mode, and meanwhile, the attractiveness of the wire harness design is improved.
As shown in fig. 5, the heat management port areas for supplying power to connect with external heating devices and/or external cooling devices are disposed on the front side surface and on the left and right sides of the power port area 2, the present invention uses the heat management port areas to supply power to the external heating devices and the external cooling devices, the positive port and the negative port in the heat management port areas are separately disposed, the positive port, i.e., the positive heating/cooling port 3, is disposed on the left side of the power port area 2, the negative port, i.e., the negative heating/cooling port 4, is disposed on the right side of the power port area 2, and of course, the positions of the positive heating/cooling port 3 and the negative heating/cooling port 4 can be switched.
This positive pole heating/cooling port 3 and negative pole heating/cooling port 4 adopt the mode of arranging perpendicularly from top to bottom, set up here can the effectual space that utilizes, and the number of positive pole heating port can be two, and the number of positive pole cooling port is one, and the negative pole heating port that corresponds has two, and negative pole cooling port has one, and the number of positive pole, negative pole heating port and positive pole, negative pole cooling port all can set up according to actual conditions. An external heating device, such as a heating plate, for heating the power battery, the battery pack, and the like; and the external cooling equipment, such as a cooling unit, is used for cooling the power battery, the battery pack and the like. The anode heating/cooling port 3 and the cathode heating/cooling port 4 adopt multi-core 360-degree shielding functional connectors to respectively supply power to a heating plate of the battery system and an independent water cooling unit of the battery system.
In addition, as another mode, the positive electrode port and the negative electrode port included in the thermal management port region, wherein a part of the positive electrode port and the negative electrode port are used for supplying power to external heating equipment to form a heating port; and the other part of the positive electrode port and the negative electrode port are used for supplying power to external cooling equipment to form a cooling port. The heating port is arranged on the left side or the right side of the power port area 2, and the cooling port is arranged on the right side or the left side of the power port area 2; therefore, in actual use, the arrangement of the positive electrode port and the negative electrode port in the heat management port area can be changed as required, and when power supply to external cooling equipment is not needed, the positive electrode and the negative electrode for cooling are removed, and of course, when power supply to external heating equipment is not needed, the positive electrode and the negative electrode for heating can also be removed.
As shown in fig. 7, a left side view of the power distribution apparatus is provided, a low-voltage port area is scribed on the left side surface of the housing, and a communication interface 7 for realizing communication signal transmission is provided in the low-voltage port area. It can be seen that the low-voltage port area is partitioned from the high-voltage parts such as the power port 1, the anode heating/cooling port 3 and the cathode heating/cooling port 4, and the safety during installation and maintenance can be improved due to the design of the partitioned areas.
As shown in fig. 7, a positive power transmission line for connecting the positive pole of the power battery and a negative power transmission line for connecting the negative pole of the power battery are arranged in the casing of the present invention, and a first MSD5, which is a positive manual maintenance switch for connecting to the positive power transmission line, and a second MSD 6, which is a negative manual maintenance switch for connecting to the negative power transmission line, are arranged on the front side. The MSD is mainly used for short-circuit protection, rapid replacement of a fuse after short-circuit protection, disconnection of a main loop during detection and maintenance of a battery system, and the MSD is provided with a high-voltage interlocking loop and a temperature detection point, so that the connection reliability of the MSD is effectively ensured. The first MSD5 and the second MSD 6 are arranged above the power port 1, the power distribution device is designed in a bilateral symmetry mode by taking the center line of the front side face of the power distribution device as a reference, and the two MSDs are compatible with configuration states of a positive electrode in parallel connection, a negative electrode in parallel connection, a positive electrode in one, and a negative electrode in one, so that the configuration requirements of a whole vehicle battery system are; the MSD two sides design enterprise LOGO, warning identification and labels and the like according to needs.
As shown in fig. 8, a schematic diagram of the connection of internal circuits of the power distribution device is shown, a positive charging line for connecting a positive charging port and a positive electric energy transmission line and a negative charging line for connecting a negative charging port and a negative electric energy transmission line are arranged in the housing of the power distribution device, a positive charging control switch 8 is arranged on the positive charging line in series, a negative charging control switch 9 is arranged on the negative charging line in series, and control signals of the positive charging control switch 8 and the negative charging control switch 9 are transmitted by the communication interface 7.
The positive electric energy transmission line is provided with the current sensor 10 in series, the positive manual maintenance switch, namely the position of the first MSD5 close to the shell is provided with the temperature sensor, the collected signals of the current sensor 10 and the temperature sensor are transmitted by the communication interface 7, wherein the temperature sensor is used for carrying out temperature detection on the manual maintenance switch MSD, the detected signals are transmitted to the main controller, the state of the MSD can be monitored in real time, and once a fault occurs, a fault alarm can be sent out through the whole vehicle controller in advance, so that the safety of drivers and passengers is improved.
As shown in fig. 8, a FUSE (FUSE) and a heating control switch 11 are connected in series to a heating line connecting the positive and negative heating ports in the case, and the FUSE and the heating control switch 11 constitute a heating control unit. A FUSE (FUSE) and a cooling control switch 12 are connected in series on a cooling circuit for connecting the anode and cathode cooling ports in the shell, and the FUSE and the cooling control switch 12 form a cooling unit control unit. Control signals of the heating control switch 11 and the cooling control switch 12 are transmitted by the communication interface 7, so that communication and control with the heating control unit and the cooling unit control unit are realized.
In summary, as shown in fig. 8, the power distribution apparatus includes a related wiring port, a high voltage detection, a DC/DC converter 13, manual maintenance switches, i.e., a first MSD5 and a second MSD 6, a current sensor 10, a heating control unit, a charging control unit, a water chiller unit control unit, and the like; the related wiring ports comprise a power port, a water cooling unit power supply port, namely a positive electrode cooling port, a negative electrode cooling port, a positive electrode heating port, a negative electrode heating port, a communication interface 7, a control interface and a low-voltage power supply port of the DC/DC converter 13. As shown in fig. 7, the DC/DC converter 13 is provided on the left side surface of the power distribution device case, but may alternatively be incorporated in the power distribution device.
The high-voltage detection is mainly used for main loop voltage detection, current detection, insulation detection and contactor adhesion fault detection; the DC/DC converter 13 is mainly used for supplying power to a high-voltage detection system, a main controller, a control switch and other low-voltage systems of a battery system; the current sensor 10 is used for detecting the current of each branch circuit of the battery system, and each battery branch circuit is configured with one current sensor; the water cooling unit control unit and the heating control unit are controlled by the main controller; the charging control unit comprises a positive charging control switch 8, a negative charging control switch 9, a first MSD5 and a second MSD 6, wherein the positive electrode and the negative electrode of each charging loop are respectively provided with a control switch, and the control is realized by the main controller.
The power distribution device can be a power distribution box or a junction box.
As shown in fig. 8, a battery port in the power port 1 is used for connecting with a battery pack, and according to the design of three battery pack branches, a branch, two branches and three branches can be selectively configured according to the requirement of the electric quantity of the whole vehicle; the motor controller interface is used for being connected with a motor controller, and one branch and two branches can be selectively configured according to the design of the two branches and the power consumption requirement of the electric control system of the whole vehicle; the charging port is used for being connected with charging equipment, and according to the design of the two branches, a single charging gun charging mode, a double charging gun charging mode and a single charging gun + pantograph charging mode can be selected according to the requirements of the charging power and the charging mode of the whole vehicle.
The whole system adopts a compatible design structure, 12 power ports are preferably designed, the rated current of each port is 250-300A, each electric loop is provided with two ports, the use requirements of 6 electric loops can be met, and the main compatible configuration is as follows:
configuring a first step: a branch battery pack and a power output single gun are charged;
configuring a second step: a branch battery pack and a power output double-gun charging;
the configuration is three: a branch battery pack, a power output single gun charging and pantograph charging;
and (4) configuration four: two branch battery packs and a power output single gun are charged;
and configuration five: two-branch battery pack and one power output double-gun charging;
configuration six: two branch battery packs, one power output single gun charging and pantograph charging;
the configuration is seven: charging the battery pack with two branches and the single gun with two power outputs;
eight configurations: two-branch battery pack and two-power output double-gun charging;
the configuration is nine: two-branch battery pack, two-power output single-gun charging and pantograph charging;
and (2) configuration ten: three-branch battery pack and one power output single gun are charged;
eleven configurations: three-branch battery pack and one power output double-gun charging;
configuration twelve: three-branch battery pack, one power output single gun charging and pantograph charging;
thirteen configurations: three branch batteries, two power take off single gun charge.
Meanwhile, the requirements of various local standards can be met, for example, a manual maintenance switch is respectively arranged on the anode and the cathode of the main circuit, and other configurations are expanded according to requirements.
The power port 1 is designed according to the concentrated zoning of the positive electrode and the negative electrode, the negative electrode on the left side and the positive electrode on the right side, the arrangement order is preferably selected from the group consisting of total negative (3) of the battery, total negative (2) of the battery, total negative (1) of the battery, negative (2) of the main loop, negative (1) of the main loop, negative (3) of the charging, negative (1) of the charging, positive (2) of the charging, positive (1) of the main loop, positive (2) of the battery, total positive (3) of the battery, total negative (2) of the battery, total negative (1) of the battery, negative (3) of the charging, negative (2) of the charging, negative (1) of the main loop, positive (2) of the main loop, positive (1) of the charging, positive (2) of the charging, Charging is positive (3), the battery is always positive (1), the battery is always positive (2), the battery is always positive (3) two kinds of modes, select for use corresponding interface according to actual demand. The preferred power interface arrangement order of the different configurations, the first way, as shown in table 1, and the second way, as shown in table 2.
TABLE 1
TABLE 2
The embodiment of the vehicle is as follows:
the present invention provides a power distribution device, including an automobile body and a power distribution device, which has been specifically described in the above embodiments of the power distribution device, and will not be described in detail in this embodiment of the automobile.
The present invention has been described in relation to particular embodiments thereof, but the invention is not limited to the described embodiments. The technical means in the above embodiments are changed, replaced, modified in a manner that will be easily imaginable to those skilled in the art, and the functions of the technical means are substantially the same as those of the corresponding technical means in the present invention, and the objectives of the invention are also substantially the same, so that the technical solution formed by fine tuning the above embodiments still falls into the protection scope of the present invention.
Claims (10)
1. The power distribution device comprises a shell and is characterized in that a base is arranged at the bottom of the shell, a wiring port layout space communicated with the outside is formed in the base or formed between the base and the shell, and related wiring ports are arranged in the wiring port layout space.
2. The electrical distribution apparatus of claim 1, wherein each of the associated wiring ports is routed downwardly and an axial direction of each wiring port is arranged perpendicular to a plane of the underside of the housing.
3. The electrical distribution apparatus of claim 2, wherein the base comprises two support members fixed below and disposed on the left and right sides of the lower side of the housing, respectively, the support members being support blocks extending in the front-rear direction.
4. An electrical distribution apparatus according to claim 2 or 3, wherein the associated wiring ports are power ports including a battery port for connection to a power battery, a power output port for powering an associated power device, and a charging port for charging.
5. The electrical distribution apparatus of claim 4, wherein each of the power ports is divided into two rows of wiring ports in a front-rear direction, each row of wiring ports is arranged in sequence in a left-right direction of the housing, and the two rows of wiring ports are arranged in a staggered manner.
6. The electrical distribution device of claim 4, wherein the power port module is disposed embedded in the front side of the housing, and wherein an area of the power port module on the front side constitutes a power port area.
7. The electrical distribution apparatus of claim 6, wherein thermal management port regions for electrically connecting an external heating device and/or an external cooling device are provided on the front side and on the left and right sides of the power port region, and wherein a positive port and a negative port are provided in the thermal management port regions.
8. The power distribution device according to claim 6, wherein a positive power transmission line for connecting a positive pole of the power battery and a negative power transmission line for connecting a negative pole of the power battery are arranged in the housing, and a positive manual maintenance switch for connecting to the positive power transmission line and a negative manual maintenance switch for connecting to the negative power transmission line are arranged on the front side; the left side surface of the shell is provided with a low-voltage port area in a scribed mode, and a communication interface used for achieving communication signal transmission is arranged in the low-voltage port area.
9. The power distribution device according to claim 8, wherein a positive charging line for connecting a positive charging port and a positive power transmission line and a negative charging line for connecting a negative charging port and a negative power transmission line are arranged in the housing, a positive charging control switch is arranged on the positive charging line in series, a negative charging control switch is arranged on the negative charging line in series, and control signals of the positive charging control switch and the negative charging control switch are transmitted by the communication interface; a current sensor is serially arranged on the positive electric energy transmission line, a temperature sensor is arranged at the position, close to the shell, of the positive manual maintenance switch, and collected signals of the current sensor and the temperature sensor are transmitted by the communication interface; the heating circuit that is used for connecting the heating port in the casing is gone up the cluster and is equipped with heating control switch, the cooling circuit that is used for connecting the cooling port in the casing is gone up the cluster and is equipped with fuse and cooling control switch, heating control switch and cooling control switch's control signal by communication interface transmits.
10. A vehicle comprising a vehicle body and a power distribution device, wherein the power distribution device is as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146819.1A CN111619349A (en) | 2019-02-27 | 2019-02-27 | Power distribution device and vehicle using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910146819.1A CN111619349A (en) | 2019-02-27 | 2019-02-27 | Power distribution device and vehicle using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111619349A true CN111619349A (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910146819.1A Pending CN111619349A (en) | 2019-02-27 | 2019-02-27 | Power distribution device and vehicle using same |
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| Country | Link |
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| CN (1) | CN111619349A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112477600A (en) * | 2020-11-17 | 2021-03-12 | 周召容 | Distribution device with high-voltage interlocking function |
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Application publication date: 20200904 |