CN119058435A - Energy storage devices, drive motors and new energy vehicles - Google Patents
Energy storage devices, drive motors and new energy vehicles Download PDFInfo
- Publication number
- CN119058435A CN119058435A CN202310640980.0A CN202310640980A CN119058435A CN 119058435 A CN119058435 A CN 119058435A CN 202310640980 A CN202310640980 A CN 202310640980A CN 119058435 A CN119058435 A CN 119058435A
- Authority
- CN
- China
- Prior art keywords
- energy storage
- bridge arm
- power
- storage device
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 233
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000009434 installation Methods 0.000 abstract description 7
- 230000010354 integration Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008713 feedback mechanism Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- 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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- 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
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
-
- 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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- 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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
-
- 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
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/54—Drive Train control parameters related to batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
本发明公开一种储能装置、驱动电机及新能源车辆，储能装置包括：储能单元和控制器，控制器的第一汇流端连接所述储能单元的正极端，控制器的第二汇流端连接所述储能单元的负极端，其用于将储能单元的直流电转换为交流电后为高压负载供电。本技术方案通过集成设计，可以将储能单元和控制器合并为一个整体，减少了组件的数量和空间占用，简化了系统结构，提高了整体集成度，提高了系统的空间效率。集成储能装置和控制器可以减少所需的组件数量、材料成本和人工安装成本，并且提高生产效率和组装效率。
The present invention discloses an energy storage device, a drive motor and a new energy vehicle. The energy storage device includes: an energy storage unit and a controller. The first bus terminal of the controller is connected to the positive terminal of the energy storage unit, and the second bus terminal of the controller is connected to the negative terminal of the energy storage unit, which is used to convert the direct current of the energy storage unit into alternating current to supply power to the high-voltage load. Through integrated design, the technical solution can combine the energy storage unit and the controller into a whole, which reduces the number of components and space occupancy, simplifies the system structure, improves the overall integration, and improves the space efficiency of the system. Integrating the energy storage device and the controller can reduce the number of components required, material costs and labor installation costs, and improve production efficiency and assembly efficiency.
Description
Technical Field
The invention relates to the technical field of new energy vehicles, in particular to an energy storage device, a driving motor and a new energy vehicle.
Background
Currently, one of the prior art energy storage devices on new energy vehicles is shown in fig. 1, wherein the energy storage device is divided into two or more energy storage modules 10 connected in series, and a switch S1 and a switch S2 are respectively disposed at the total positive terminal and the total negative terminal of the plurality of energy storage modules to control the opening and closing of the plurality of energy storage modules. The energy storage device is provided with a switch S3 and a switch S4, and the input and the output of the charging equipment 50 are controlled. The energy storage device also integrates a charging module 20, a high voltage device interface to connect to the high voltage load device 30, a power device interface to connect to the power device 40, etc. The output control of the energy storage module in the prior art is mainly controlled through the switch S1 and the switch S2, the power distribution equipment is integrated into the energy storage equipment, and all the functional electrical connectors are connected together through the energy storage equipment, so that the space is limited although part of copper bars or wiring harnesses and structural members are reduced, the number of the electrical structural members used in the practical interior is not reduced, and the physical integration level is lower.
Disclosure of Invention
The embodiment of the invention provides an energy storage device, a driving motor and a new energy vehicle, which are used for solving the problems of complex structure, large occupied space and high cost of an energy storage module in the prior art.
A first aspect of an embodiment of the present invention provides an energy storage device, including:
An energy storage unit including a plurality of energy storage modules connected in series;
And the first bus end of the controller is connected with the positive end of the energy storage unit, the second bus end of the controller is connected with the negative end of the energy storage unit, and the controller is used for supplying power to the high-voltage load after converting direct current of the energy storage unit into alternating current.
Preferably, the energy storage device further comprises:
the first end of the first charging switch is connected with the positive end of the energy storage unit, and the second end of the first charging switch is connected with the first direct current charging port;
the first end of the second charging switch is connected with the negative end of the energy storage unit, and the second end of the second charging switch is connected with the second direct current charging port;
And the first input end of the charging module is connected with the first alternating current charging port, the second input end of the charging module is connected with the second alternating current charging port, the first output end of the charging module is connected with the positive end of the energy storage unit, the second output end of the charging module is connected with the negative end of the energy storage unit, and the charging module is used for supplying power to the energy storage modules after converting external alternating current into direct current.
Preferably, the energy storage device further comprises:
The first end of the main switch is connected with the positive electrode end of the energy storage unit, and the second end of the main switch is connected with the first converging end of the controller.
Preferably, the energy storage device further comprises:
and the power supply controller is connected with the control end of the main switch, when the power supply controller controls the main switch to be turned on, the plurality of energy storage modules supply power to the motor through the controller, and when the power supply controller controls the main switch to be turned off, the plurality of energy storage modules stop supplying power to the motor through the controller.
Preferably, the energy storage device further comprises:
the energy storage device comprises a main switch, a first fuse, a first high-voltage transmission port and a second high-voltage transmission port, wherein the first end of the first fuse is connected with the second end of the main switch, the second end of the first fuse is connected with the first high-voltage transmission port, and the second high-voltage transmission port is connected with the negative end of the energy storage unit.
Preferably, the energy storage unit further includes:
a second fuse connected in series with the plurality of energy storage modules;
And a current sensor connected in series with the plurality of energy storage modules.
Preferably, the energy storage device further comprises:
And a third fuse connected between the positive terminal of the energy storage unit and the first output terminal of the charging module.
Preferably, the controller includes a first bridge arm, a second bridge arm, and a third bridge arm, where a first end of the first bridge arm, a first end of the second bridge arm, and a first end of the third bridge arm are connected together to form a first bus end, a second end of the first bridge arm, a second end of the second bridge arm, and a second end of the third bridge arm are connected together to form a second bus end, a third end of the first bridge arm is connected with a first phase coil of the motor, a third end of the second bridge arm is connected with a second phase coil of the motor, and a third end of the third bridge arm is connected with a third phase coil of the motor;
The first bridge arm comprises a first power unit and a second power unit, the second bridge arm comprises a third power unit and a fourth power unit, the third bridge arm comprises a fifth power unit and a sixth power unit, the first end of the first power unit is the first end of the first bridge arm, the second end of the second power unit is the second end of the first bridge arm, the second end of the first power unit and the first end of the second power unit are connected to be the third end of the first bridge arm in a sharing mode, the first end of the third power unit is the first end of the second bridge arm, the second end of the fourth power unit is the second end of the second bridge arm, the second end of the third power unit and the first end of the fourth power unit are connected to be the third end of the second bridge arm in a sharing mode, the first end of the fifth power unit is the first end of the third bridge arm, the second end of the sixth power unit is the third end of the third bridge arm, and the third end of the third power unit is connected to be the third end of the third bridge arm in a sharing mode.
A second aspect of an embodiment of the present invention provides a driving motor, including the energy storage device of the first aspect.
A third aspect of the embodiment of the present invention provides a new energy vehicle, including the energy storage device of the first aspect and the driving motor of the second aspect.
The embodiment of the invention has the technical effects that through the integrated design, the two components can be combined into a whole, the number of components and space occupation are reduced, the system structure is simplified, the whole integration level is improved, and the space efficiency of the system is improved. The integrated energy storage device and controller can reduce the number of components, material costs, and labor installation costs required, and improve production efficiency and assembly efficiency. The integrated energy storage device internally realizes self-powered power supply, which means that the power required by the controller can be provided by an internal battery or other energy storage devices, so that the energy storage device has certain independence and reliability, can work normally even if the whole vehicle is not assembled, and has practicability for some special application scenes or systems needing independent power supply. The integrated energy storage device and the controller can reduce assembly steps and connecting lines in the installation process, and the installation complexity is simplified. In addition, since the integrated design can reduce interfaces and connections between components, failure rates are reduced, and maintenance and repair processes are simplified.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments of the present invention will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an energy storage device according to the prior art;
fig. 2 is a schematic structural diagram of an energy storage device according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of an energy storage device according to a second embodiment of the present invention;
fig. 4 is another schematic structural diagram of an energy storage device according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of an energy storage device according to a third embodiment of the present invention;
fig. 6 is another schematic structural diagram of an energy storage device according to a third embodiment of the present invention;
in the figure, 100 parts of energy storage device, 1000 parts of energy storage unit, 1001 parts of energy storage module, 1002 parts of current sensor, 1003 parts of second fuse, 1004 parts of first fuse, 1005 parts of controller, 1007 parts of charging module, 1008 parts of first charging switch, 1009 parts of second charging switch, 1010 parts of main switch, 102 parts of high-voltage electric equipment, 103 parts of high-voltage load, 104 parts of charging equipment.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the dimensions and relative dimensions of layers and regions may be exaggerated for the same elements throughout for clarity.
It will be understood that when an element or layer is referred to as being "on," "adjacent," "connected to," or "coupled to" another element or layer, it can be directly on, adjacent, connected, or coupled to the other element or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on," "directly adjacent to," "directly connected to," or "directly coupled to" another element or layer, there are no intervening elements or layers present. It will be understood that, although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present invention.
Spatially relative terms, such as "under," "below," "beneath," "under," "above," "over," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use and operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements or features described as "under" or "beneath" other elements would then be oriented "on" the other elements or features. Thus, the exemplary terms "below" and "under" may include both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of the associated listed items.
In the following description, for the purpose of providing a thorough understanding of the present invention, detailed structures and steps are presented in order to illustrate the technical solution presented by the present invention. Preferred embodiments of the present invention are described in detail below, however, the present invention may have other embodiments in addition to these detailed descriptions.
Example 1
The first embodiment of the invention provides an energy storage device, which solves the problems of high cost, overlarge space and overlarge quality caused by adopting double energy storage components in the prior art.
As shown in fig. 2, an embodiment of the present invention provides an energy storage device 100, including:
An energy storage unit 1000 including a plurality of energy storage modules 1001, the plurality of energy storage modules 1001 being connected in series;
And a controller 1005, a first bus terminal of which is connected to the positive terminal of the energy storage unit 1000, and a second bus terminal of which is connected to the negative terminal of the energy storage unit 1000, for converting the direct current of the energy storage unit 1000 into alternating current and supplying power to the high voltage load 103.
The controller 1005 may be an inverter for driving a motor, the high-voltage load 103 may be a motor, and the controller 1005 may convert dc power into ac power, so that the controller 1005 may be suitable for driving a three-phase ac motor or connecting to an ac power grid to supply power. The inverter can adjust the frequency of the output alternating current to meet the requirements of different applications. Common output frequencies include 50Hz and 60Hz. The inverter can regulate the voltage of the output alternating current so as to adapt to different load requirements and power system standards. Common output voltages include low voltages (e.g., 220V, 230V) and high voltages (e.g., 380V, 400V). The inverter generally has various control functions including start/stop control, rotational speed control, directional control, operation protection, and the like. These functions may be operated and regulated by control signals or external interfaces. The inverter can realize stable output voltage and frequency through an electronic control and feedback mechanism so as to ensure the normal operation of a connected motor and provide stable power supply. Inverters often have electrical isolation functionality that can provide safe electrical isolation protection to reduce interactions with power supplies and load devices.
The integration of the controller 1005 and the plurality of energy storage modules 1001 is to ensure that the specifications of the controller 1005 and the battery are matched according to the technical parameters of the controller 1005 and the energy storage modules 1001, including rated voltage, rated capacity, rated current, and the like, so as to ensure safe and reliable connection. The energy storage module 1001 outputs dc power, and the controller 1005 needs to convert the dc power into ac power. The positive (+) and negative (-) poles of the energy storage module 1001 are properly connected to the dc input terminals of the controller 1005. The controller 1005 and the plurality of energy storage modules 1001 are integrated together using appropriate sized cables, connectors, and terminals, etc., to ensure a reliable dc electrical connection. After converting the dc power to ac power, the controller 1005 needs to connect it to a three-phase power source or load. According to the specification of the controller 1005, the phase lines (L1, L2, L3) and the ground line (N) of the ac output terminal are determined. The ac output terminals of the controller 1005 are correctly connected to the corresponding terminals of the three-phase power supply or the load using a cable, a connector, or the like. The safety and reliability of the integrated terminal are ensured. Appropriate safety precautions are taken according to specifications and standards, such as proper selection of the cable specification and rated current, use of insulating bushings, locking and anti-loosening of the connector, etc., to ensure that the connection is stable and able to withstand the required current loads.
As an example, the controller 1005 includes a first bridge arm, a second bridge arm, and a third bridge arm, where a first end of the first bridge arm, a first end of the second bridge arm, and a first end of the third bridge arm are commonly connected to form a first bus end, a second end of the first bridge arm, a second end of the second bridge arm, and a second end of the third bridge arm are commonly connected to form a second bus end, a third end of the first bridge arm is connected to a first phase coil of the motor, a third end of the second bridge arm is connected to a second phase coil of the motor, and a third end of the third bridge arm is connected to a third phase coil of the motor;
The first bridge arm comprises a first power unit P1 and a second power unit P2, the second bridge arm comprises a third power unit P3 and a fourth power unit P4, the third bridge arm comprises a fifth power unit P5 and a sixth power unit P6, the first end of the first power unit P1 is the first end of the first bridge arm, the second end of the second power unit P2 is the second end of the first bridge arm, the second end of the first power unit P1 and the first end of the second power unit P2 are commonly connected to be the third end of the first bridge arm, the first end of the third power unit P3 is the first end of the second bridge arm, the second end of the fourth power unit P4 is the second end of the second bridge arm, the second end of the third power unit P3 and the first end of the fourth power unit P4 are commonly connected to be the third end of the second bridge arm, the first end of the fifth power unit P5 is the first end of the third bridge arm, the second end of the sixth power unit P6 is the second end of the third bridge arm, and the third end of the sixth power unit P5 and the third end of the fourth power unit P6 are commonly connected to be the third end of the bridge arm.
The first embodiment of the invention has the technical effect that the energy storage device and the controller in the prior art are usually designed and installed separately, and an independent controller box body and a connecting circuit are needed. Through integrated design, can combine both into a whole, reduce the quantity and the space occupation of subassembly, simplified system architecture, improved whole integrated level, improved the space efficiency of system. The integrated energy storage device and controller can reduce the number of components, material costs, and labor installation costs required, and improve production efficiency and assembly efficiency. The integration of the energy storage device to internally realize self-powered power supply means that the power required by the controller can be provided by an internal battery or other energy storage device, so that the energy storage device has certain independence and reliability and can work normally even if the whole vehicle is not assembled. It is very practical for some special application scenarios or systems that require independent power. The integrated energy storage device and the controller can reduce assembly steps and connecting lines in the installation process, and the installation complexity is simplified. In addition, since the integrated design can reduce interfaces and connections between components, failure rates are reduced, and maintenance and repair processes are simplified.
Example two
The second embodiment of the present invention provides an energy storage device, which is different from the first embodiment in that a charging module is added to perform dc charging and dc charging based on the first embodiment.
The technical solution provided in the second embodiment of the present invention, based on the technical solution provided in the first embodiment, as shown in fig. 3, provides an energy storage device 100, including:
An energy storage unit 1000 including a plurality of energy storage modules 1001, the plurality of energy storage modules 1001 being connected in series;
The controller 1005, the first bus end of which is connected to the positive electrode end of the energy storage unit 1000, and the second bus end of which is connected to the negative electrode end of the energy storage unit 1000, is used for converting the direct current of the energy storage unit 1000 into alternating current and then supplying power to the high voltage load 103;
a first charging switch 1008, a first end of which is connected to the positive terminal of the energy storage unit 1000, and a second end of which is connected to the first dc charging port;
A second charging switch 1009, a first end of which is connected to the negative terminal of the energy storage unit 1000, and a second end of which is connected to the second dc charging port;
The charging module 1007 has a first input end connected to the first ac charging port, a second input end connected to the second ac charging port, a first output end connected to the positive end of the energy storage unit 1000, and a second output end connected to the negative end of the energy storage unit 1000, and is configured to convert external ac power into dc power and supply the power to the plurality of energy storage modules 1001.
Wherein the charging device 104 is connected to the first dc charging port, the second dc charging port, the first ac charging port, and the second ac charging port. When the first dc charging port and the second dc charging port are connected to the dc power supply device and it is detected that the plurality of energy storage modules 1001 need to be charged, the first charging switch 1008 and the second charging switch 1009 are controlled to be turned on, so that the dc power supply device supplies power to the plurality of energy storage modules 1001.
When the first ac charging port and the second ac charging port are connected to the ac power supply device and it is detected that the plurality of energy storage modules 1001 need to be charged, the ac power supply device is caused to supply power to the plurality of energy storage modules 1001.
Further, as shown in fig. 4, the energy storage unit 1000 further includes:
A second fuse 1003 connected in series with the plurality of energy storage modules 1001.
The second fuse 1003 is configured to open when the current of the plurality of energy storage modules 1001 is excessive, so as to protect the plurality of energy storage modules 1001.
Further, the energy storage unit 1000 further includes:
A current sensor 1002 connected in series with a plurality of energy storage modules 1001.
The current sensor 1002 is configured to detect currents flowing through the plurality of energy storage modules 1001, and send the currents to the control module, where the control module detects electric quantities of the plurality of energy storage modules 1001.
The energy storage device 100 further includes:
a third fuse 1006 connected between the positive terminal of the energy storage unit 1000 and the first output terminal of the charging module 1007.
The third fuse 1006 is configured to be opened when the current output from the charging module 1007 is too large, so as to protect the safety of the energy storage module.
The second embodiment includes the technical effects of realizing efficient charge management of a plurality of energy storage modules by using a charge switch, a charge module and an ac/dc charge port. When detecting that the plurality of energy storage modules need to be charged, the control system can conduct corresponding charging switches, so that the direct current power supply equipment or the alternating current power supply equipment can provide charging for the plurality of energy storage modules, and therefore charging efficiency and management capacity are improved. The second fuse, the third fuse and the current sensor in the second embodiment play a key role in protecting the energy storage module. The second fuse is connected in series between the plurality of energy storage modules and can be automatically disconnected when the current is overlarge, and the third fuse can be automatically disconnected when the charging current is overlarge, so that the energy storage modules are protected from being damaged by current overload. The current sensor is used for detecting the current flowing through the energy storage modules and sending information to the control module so as to monitor and manage the electric quantity of the plurality of energy storage modules. The scheme has flexibility and expandability by connecting the charging module and the ac/dc charging port with the energy storage module. Different types of charging equipment can be connected according to requirements, and various charging requirements are met. Meanwhile, a plurality of energy storage modules inside the energy storage unit can be expanded and configured according to actual conditions so as to meet the requirements of different application scenes.
Example III
The third embodiment of the present invention provides an energy storage device, which is different from the first embodiment in that a main switch is added on the basis of the first embodiment to control the discharge of the energy storage module and stop the discharge.
The technical solution provided in the third embodiment of the present invention, based on the technical solution provided in the first embodiment, as shown in fig. 5, is an energy storage device 100, including:
An energy storage unit 1000 including a plurality of energy storage modules 1001, the plurality of energy storage modules 1001 being connected in series;
The controller 1005, the first bus end of which is connected to the positive electrode end of the energy storage unit 1000, and the second bus end of which is connected to the negative electrode end of the energy storage unit 1000, is used for converting the direct current of the energy storage unit 1000 into alternating current and then supplying power to the high voltage load 103;
a first charging switch 1008, a first end of which is connected to the positive terminal of the energy storage unit 1000, and a second end of which is connected to the first dc charging port;
A second charging switch 1009, a first end of which is connected to the negative terminal of the energy storage unit 1000, and a second end of which is connected to the second dc charging port;
the charging module 1007 has a first input end connected to the first ac charging port, a second input end connected to the second ac charging port, a first output end connected to the positive end of the energy storage unit 1000, and a second output end connected to the negative end of the energy storage unit 1000, and is configured to convert external ac power into dc power and supply the dc power to the plurality of energy storage modules 1001;
the first end of the main switch 1010 is connected to the positive terminal of the energy storage unit 1000, and the second end of the main switch 1010 is connected to the first bus terminal of the controller 1005.
The main switch 1010 is used for turning on or off according to a control signal, so that the plurality of energy storage modules 1001 output electric energy or stop outputting electric energy.
Further, the energy storage device 100 further includes:
and the power supply controller is connected with the control end of the main switch 1010, when the power supply controller controls the main switch 1010 to be turned on, the plurality of energy storage modules 1001 supply power to the motor through the controller 1005, and when the power supply controller controls the main switch 1010 to be turned off, the plurality of energy storage modules 1001 stop supplying power to the motor through the controller 1005.
The power controller plays a role in power management in the whole system, and controls the output power of the energy storage module 1001 by controlling the state of the main switch 1010. The power state of the energy storage module 1001 may be controlled as needed to control the operation or stop of the motor. The function of the power controller is to coordinate and manage the power transfer between the energy storage module 1001 and the motor, ensure that the motor obtains the required power supply when appropriate, and stop the power supply when not needed, so as to achieve control and energy-saving management of the motor.
Further, as shown in fig. 5, the energy storage device 100 further includes:
The first high-voltage power transmission port 105 and the second high-voltage power transmission port 106 are connected with the first end of the first fuse 1004, the second end of the first fuse 1004 is connected with the first high-voltage power transmission port, and the second high-voltage power transmission port is connected with the negative electrode end of the energy storage unit 1000.
The first high-voltage power transmission port 105 and the second high-voltage power transmission port 106 are used for connecting high-voltage power consumption equipment, so that the plurality of energy storage modules 1001 directly supply power to the high-voltage power consumption equipment.
Further, the energy storage unit 1000 further includes:
A second fuse 1003 connected in series with the plurality of energy storage modules 1001.
The second fuse 1003 is configured to open when the current of the plurality of energy storage modules 1001 is excessive, so as to protect the plurality of energy storage modules 1001.
Further, the energy storage unit 1000 further includes:
A current sensor 1002 connected in series with a plurality of energy storage modules 1001.
The current sensor 1002 is configured to detect currents flowing through the plurality of energy storage modules 1001, and send the currents to the control module, where the control module detects electric quantities of the plurality of energy storage modules 1001.
The energy storage device 100 further includes:
a third fuse 1006 connected between the positive terminal of the energy storage unit 1000 and the first output terminal of the charging module 1007.
The third fuse 1006 is configured to be opened when the current output from the charging module 1007 is too large, so as to protect the safety of the energy storage module.
The third embodiment has the technical effects that the main switch can accurately control the output electric energy of the energy storage module by switching on or switching off the main switch through a control signal so as to meet the requirements of the controller. The power supply controller can control the output of the energy storage module by controlling the main switch control signal, and realize the switch control of power supply to the motor, thereby effectively managing the distribution and utilization of electric energy. The first fuse is used as a protection device for disconnecting the circuit when the current of the energy storage module is overlarge so as to protect the energy storage module from being damaged by the overcurrent, and the energy storage module can be effectively prevented from being influenced by abnormal conditions such as overload or short circuit. The first high-voltage power transmission port and the second high-voltage power transmission port are used for connecting high-voltage electric equipment, so that the plurality of energy storage modules can directly supply power to the high-voltage electric equipment, energy loss in the power conversion process can be avoided, and the energy utilization efficiency is improved. The main switch, the first fuse and the high-voltage power transmission port are integrated in the energy storage device, and control of the energy storage module, protection of a circuit and power supply of high-voltage electric equipment are achieved through mutual cooperation. Through reasonable control and protection mechanism, the safe operation and high-efficiency energy transmission of the energy storage device can be ensured, and the reliability and stability of the system are improved.
Example IV
The fourth embodiment of the invention provides a driving motor, which comprises the energy storage device and the motor driving controller provided by the first to fifth embodiments, wherein the motor driving controller is connected with the controller.
The motor drive controller is also integrated into the energy storage device, and is used for outputting different voltages and currents.
The fourth embodiment of the invention has the technical effect that the energy storage device and the motor drive controller are integrated into a whole. The components and the connecting circuits can be reduced, the system structure is simplified, the complexity of the system is reduced, and the reliability and the stability of the system are improved. Because the energy storage device and the motor drive controller are integrated together, the installation space can be saved. No additional controller housing or space is required to house the motor drive controller, thereby reducing the volume and weight of the system. By integrating the energy storage device with the motor drive controller, the number of separate components and equipment required can be reduced, thereby reducing the cost of the system. In addition, since a plurality of functions are integrated, maintenance and installation costs can be saved. The compact integration of the energy storage device and the motor drive controller can optimize circuit layout and signal transmission, and improve the response speed and control precision of the system.
Example five
The fifth embodiment of the invention provides a new energy vehicle, which comprises the energy storage devices provided by the first to third embodiments or the driving motor provided by the fourth embodiment.
In the fifth embodiment of the invention, the power distribution equipment, the controller, the charging module and the energy storage module are integrated in the energy storage device, and the energy storage device is switched on and off through a switching device in the energy storage device. The energy storage modules are connected in series through copper bars (aluminum bars) to form total positive and total negative, the energy storage modules are provided with current detection equipment, a safety device and a switching device, and the three can be distributed in the front, the back or the middle of the energy storage modules (but before the total positive and total negative connecting points), can be arranged in a concentrated or dispersed mode, and are connected in series with the energy storage modules. The charging equipment comprises a direct current charging device and an alternating current charging device, wherein a direct current charging interface is divided into a positive electrode and a negative electrode, the positive electrode and the negative electrode are respectively connected with the total positive and total negative of the energy storage module after being respectively connected with a switch device in series, the alternating current interface is connected to the charging module after being input, the output end is respectively connected with the total positive and total negative of the energy storage device after being inverted by the alternating current charging module, and a safety device is arranged between the positive electrode and the total positive of the energy storage device. The battery is provided with a high-voltage load interface which can supply power to high-voltage loads such as PTC, the positive and negative of the load interface are connected to the total positive and total negative of the energy storage module, a safety device is arranged between the positive electrode of the interface and the total positive of the energy storage device, the controller is directly connected with the total positive and total negative of the energy storage device, and the three-phase interface output by the controller is arranged on the surface of the energy storage device as the other interfaces. By integrating these high voltage devices into, for example, an energy storage device, the conventional connection means for connecting the power distribution device of the high voltage device to the energy storage device is eliminated, and the ac charging device, the electrically controlled housing structure, is reduced, greatly reducing the overall cost of the high voltage system.
Fig. 6 shows an example of the present application, in which two or more energy storage modules 1001 are connected in series, and a current sensor 1002, a second fuse 1003, and a main switch 1010 are connected in series to the energy storage modules, and the current sensor, the second fuse, and the main switch 1010 may be disposed in the middle or in front of and behind the energy storage modules, may be separately disposed, or may be disposed together and simultaneously in the middle of the energy storage device. When the controller receives the on control signal, the controller changes into the on state, namely the controller realizes the control of the energy storage device on and off of the externally-transmitted electric energy.
In this embodiment, compared with the prior art, the switching device has one less switching device and lower cost, and meanwhile, the controllers can be expanded in multiple stages, two or more controllers are integrated in the energy storage device in parallel, and each controller controls each corresponding output interface on the energy storage module. Driving more motors can be achieved.
The foregoing embodiments are merely for illustrating the technical solution of the present invention, but not for limiting the same, and although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that the technical solution described in the foregoing embodiments may be modified or substituted for some of the technical features thereof, and that these modifications or substitutions should not depart from the spirit and scope of the technical solution of the embodiments of the present invention and should be included in the protection scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310640980.0A CN119058435A (en) | 2023-05-31 | 2023-05-31 | Energy storage devices, drive motors and new energy vehicles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310640980.0A CN119058435A (en) | 2023-05-31 | 2023-05-31 | Energy storage devices, drive motors and new energy vehicles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119058435A true CN119058435A (en) | 2024-12-03 |
Family
ID=93632467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310640980.0A Pending CN119058435A (en) | 2023-05-31 | 2023-05-31 | Energy storage devices, drive motors and new energy vehicles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119058435A (en) |
-
2023
- 2023-05-31 CN CN202310640980.0A patent/CN119058435A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111817277B (en) | Methods and systems for electronic current control in flexible DC batteries | |
| EP3508371B1 (en) | Charging post | |
| CN104508938B (en) | Charge-discharge system | |
| US20200180453A1 (en) | Storage-battery charging device for a motor vehicle, method for operating an on-board storage-battery charging device, high-voltage vehicle electrical system and use of a storage-battery charging device | |
| KR20180066611A (en) | Apparatus for charge controlling of electric vehicle | |
| CN109980982B (en) | Power module and electric device for combined charging of a battery and a motor | |
| US11511638B2 (en) | Electrical power converter unit, an electrical power conversion device and an industrial vehicle including this electrical power converter unit | |
| US20240015915A1 (en) | Vehicle controller and vehicle with same | |
| JP2023103991A (en) | Electric power conversion system and vehicle | |
| CN115864356B (en) | High-voltage direct-current power supply system | |
| CN112751412B (en) | Communication power supply system | |
| CN112564508B (en) | Power module online replacement control device and method for power electronic transformer system | |
| US20080084645A1 (en) | Emergency solar power supply | |
| CN111038419A (en) | Configurable vehicle power outlet system | |
| CN213990161U (en) | Automatic synchronizing device | |
| CN119058435A (en) | Energy storage devices, drive motors and new energy vehicles | |
| EP4068548B1 (en) | Direct current power supply system, photovoltaic system and energy storage system | |
| CN116599201A (en) | Energy storage system, battery subsystem, power supply circuit of battery subsystem and internal power supply method of battery subsystem | |
| CN215378486U (en) | Battery backup unit | |
| CN112424015B (en) | DC voltage charging pile for charging electric vehicle | |
| CN209963787U (en) | Intelligent high-voltage direct-current relay module | |
| CN209566874U (en) | High-voltage junction box for rear axle electric drive system of hybrid electric vehicle | |
| CN214125166U (en) | Electric control assembly | |
| CN110061549A (en) | A kind of intelligent high-voltage direct-current relay module | |
| CN221929387U (en) | Power supply system and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |