US20120251866A1 - Battery disconnect unit and method of assembling the battery disconnect unit - Google Patents
Battery disconnect unit and method of assembling the battery disconnect unit Download PDFInfo
- Publication number
- US20120251866A1 US20120251866A1 US13/073,000 US201113073000A US2012251866A1 US 20120251866 A1 US20120251866 A1 US 20120251866A1 US 201113073000 A US201113073000 A US 201113073000A US 2012251866 A1 US2012251866 A1 US 2012251866A1
- Authority
- US
- United States
- Prior art keywords
- contactor
- charging relay
- load
- electrically coupled
- charging
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 14
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
- B60L3/0046—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electric energy storage systems, e.g. batteries or capacitors
-
- 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
- B60L3/04—Cutting off the power supply under fault conditions
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- a battery electrical system that can disconnect a battery from a hybrid vehicle powertrain has been utilized.
- the battery electrical system has individual distinct wires coupled to each component and is extremely time consuming to assemble and is prone to assembly errors.
- a battery disconnect unit for selectively coupling a battery pack to a load in accordance with an exemplary embodiment.
- the battery disconnect unit includes a base portion configured to hold first and second contactors, a pre-charging relay, and a charging relay, thereon.
- the battery disconnect unit further includes a circuit board having first, second, third, and fourth bus bars coupled thereto extending outwardly from the circuit board.
- the first and second bus bars are coupled to first and second terminals, respectively, of the first contactor.
- the first bus bar is further configured to be coupled to the battery pack.
- the second bus bar is further configured to be coupled to the load.
- the third and fourth bus bars are coupled to third and fourth terminals, respectively, of the second contactor.
- the third bus bar is further configured to be coupled to the battery pack, and the fourth bus bar is further configured to be coupled to the load.
- a method for assembling a battery disconnect unit in accordance with another exemplary embodiment includes disposing first and second contactors, a pre-charging relay, and a charging relay, on a base portion.
- the method further includes disposing a circuit board having first, second, third and fourth bus bars, above the base portion.
- the method further includes coupling the first and second bus bars to first and second terminals, respectively, of the first contactor.
- the method further includes coupling the third and fourth bus bars to first and second terminals, respectively, of the second contactor.
- the method further includes coupling a cover portion to the base portion such that the first and second contactors, the charging relay, and the circuit board are disposed between the base portion and the cover portion.
- FIG. 1 is a schematic of a hybrid vehicle having a battery disconnect unit in accordance with an exemplary embodiment
- FIG. 2 is an isometric view of the battery disconnect unit of FIG. 1 ;
- FIG. 3 is another isometric view of a portion of the battery disconnect unit of FIG. 1 ;
- FIG. 4 is a top view of a portion of the battery disconnect unit of FIG. 1 ;
- FIG. 5 is another top view of a portion of the battery disconnect unit of FIG. 1 ;
- FIG. 6 is another top view of a portion of the battery disconnect unit of FIG. 1 ;
- FIG. 7 is an isometric view of a circuit board utilized in the battery disconnect unit of FIG. 4 ;
- FIG. 8 is a flowchart of a method for assembling the battery disconnect unit of FIG. 1 in accordance with another exemplary embodiment.
- the hybrid vehicle 10 includes a battery pack 20 , the battery disconnect unit 30 , the hybrid powertrain system 34 , a capacitor 36 , a charging system 450 , and a microprocessor 42 .
- the term load used herein refers to an electrical load.
- a load can include at least one of the capacitor 36 and the hybrid powertrain system 34 .
- the battery pack 20 is configured to output an operational voltage for the hybrid powertrain system 34 .
- the battery pack 20 includes a plurality of lithium-ion battery modules coupled together in series or in parallel to one another.
- other types of battery modules could be utilized in the battery pack 20 , as known to those skilled in the art.
- the battery disconnect unit 30 is configured to selectively electrically couple the battery pack 20 to the hybrid powertrain system 34 which is an electrical load.
- the battery disconnect unit 30 includes a base portion 60 , a charging relay 62 , a pre-charging relay 64 , first and second contactors 70 , 74 , a circuit board 80 , first, second, third, fourth bus bars 90 , 92 , 94 , 96 , a pre-charging resistor 110 , first, second, and third connector terminal assemblies 120 , 130 , 140 , and a cover portion 142 .
- the base portion 60 is configured to hold the charging relay 62 , the pre-charging relay 64 , the first and second contactors 70 , 74 , and the circuit board 80 thereon.
- the base portion 60 is constructed of plastic.
- the base portion 60 may be attached to the charging relay 62 , the pre-charging relay 64 , and the first and second contactors 70 , 74 utilizing screws or bolts. Of course, other attachment devices are contemplated in alternative embodiments.
- the charging relay 62 is electrically coupled between the charging system 40 and the battery pack 20 .
- the charging relay 62 includes a charging relay switch 160 , a charging relay coil 162 , first and second charging relay terminals 164 , 166 , nuts 168 , 170 , and shafts 172 , 174 .
- the charging relay coil 162 induces the charging relay switch 160 to have a closed operational position in response to the charging relay coil 162 receiving a control signal from the microprocessor 42 .
- the switch 160 has an open operational position.
- the charging relay switch 160 has a current capacity of 40 Amps.
- the charging relay switch 160 could have a current capacity less than 40 Amps or greater than 40 Amps.
- the first charging relay terminal 164 is electrically coupled to the node 260 which is further electrically coupled to a positive voltage terminal of the battery pack 20 .
- the second charging relay terminal 166 is electrically coupled to the charging system 40 .
- the nut 168 is utilized to couple the shaft 172 to the circuit board 80 .
- the nut 174 is utilized to couple the shaft 174 to the circuit board 80 .
- the charging relay 62 is coupled to the base portion 60 utilizing screws 176 , 178 .
- the pre-charging relay 64 is electrically coupled between the battery pack 20 and the hybrid power train system 34 .
- the node 260 is electrically coupled to a positive voltage terminal of the battery pack 20 and a node 270 is electrically coupled to the hybrid power train system 34 .
- the pre-charging relay 64 includes a pre-charging relay switch 190 , a pre-charging relay coil 192 , first and second pre-charging relay terminals 194 , 196 , nuts 198 , 200 , and shafts 202 , 204 .
- the pre-charging relay coil 192 induces the pre-charging relay switch 190 to have a closed operational position in response to the pre-charging relay coil 192 receiving a control signal from the microprocessor 42 .
- the switch 190 has an open operational position.
- the pre-charging relay switch 190 has a current capacity of 15 Amps.
- the pre-charging relay switch 190 could have a current capacity less than 15 Amps or greater than 15 Amps.
- the first pre-charging relay terminal 194 is electrically coupled to the node 260 that is further electrically coupled to a positive voltage terminal of the battery pack 20 .
- the second pre-charging relay terminal 196 is electrically coupled in series with the pre-charging resistor 110 , which is coupled to the node 270 which is further electrically coupled to the hybrid powertrain system 34 .
- the nut 198 is utilized to couple the shaft 202 to the circuit board 80 .
- the nut 200 is utilized to couple the shaft 204 to the circuit board 80 .
- the pre-charging relay 64 is coupled to the base portion 60 utilizing screws 206 , 208 .
- the first contactor 70 is electrically coupled between a positive voltage terminal of the battery pack 20 and the hybrid power train system 34 .
- the first contactor 70 includes a first contactor switch 210 , a first contactor coil 212 , first and second terminals 214 , 216 , and nuts 218 , 220 .
- the first contactor coil 212 induces the first contactor switch 210 to have a closed operational position in response to the first contactor coil 212 receiving a control signal from the microprocessor 42 .
- the switch 210 has an open operational position.
- the first terminal 214 is electrically coupled to the node 260 and to the battery pack 20 via the first bus bar 90 .
- the second terminal 216 is electrically coupled to the node 270 and to the hybrid power train system 34 via the second bus bar 92 .
- the nut 218 is utilized to couple the first terminal 214 to the first bus bar 90
- the nut 220 is utilized to couple the second terminal 216 to the second bus bar 92 .
- the screws 222 , 224 are utilized to couple the first contactor 70 to the base portion 60 .
- the first contactor switch 210 has a current capacity of 500 Amps.
- the first contactor switch 210 could have a current capacity less than 500 Amps or greater than 500 Amps.
- the second contactor 74 is electrically coupled between a negative voltage terminal of the battery pack 20 and the hybrid power train system 34 .
- the second contactor 74 includes a second contactor switch 230 , a second contactor coil 232 , first and second terminals 234 , 236 , and nuts 238 , 240 .
- the second contactor coil 232 induces the second contactor switch 230 to have a closed operational position in response to the second contactor coil 232 receiving a control signal from the microprocessor 42 .
- the switch 230 has an open operational position.
- the first terminal 234 is electrically coupled to the node 260 and to the battery pack 20 via the third bus bar 94 .
- the second terminal 236 is electrically coupled to the node 270 and to the hybrid power train system 34 via the fourth bus bar 96 .
- the nut 238 is utilized to couple the first terminal 234 to the third bus bar 94
- the nut 240 is utilized to couple the second terminal 236 to the fourth bus bar 96 .
- the screws 242 , 244 are utilized to couple the second contactor 74 to the base portion 60 .
- the second contactor switch 230 has a current capacity of 500 Amps.
- the second contactor switch 230 could have a current capacity less than 500 Amps or greater than 500 Amps.
- the circuit board 80 is configured to hold the first, second, third, fourth bus bars 90 , 92 , 94 , 96 , the pre-charging resistor 110 , and the first and second connector terminal assemblies 120 , 130 on a first side thereof.
- the bus bars 90 , 92 , 94 , 96 have tabs extending through the circuit board and are soldered to electrical traces on the circuit board 80 .
- the bus bars 90 , 94 , 94 , 96 extend outwardly from the circuit board 80 for coupling to terminals of the contactors that are not disposed directly underneath the circuit board 80 .
- first, second, third, fourth bus bars 90 , 92 , 94 , 96 have apertures 290 , 292 , 294 , 296 , respectively, that are configured to receive the terminals 214 , 216 , 234 , 236 , respectively, therethrough.
- the first, second, third, fourth bus bars 90 , 92 , 94 , 96 are constructed of copper.
- the bus bars could be constructed of other conductive materials known to those skilled in the art.
- the pre-charging resistor 110 has a resistance value of 25 Ohms and a current capacity of 2 Amps.
- the pre-charging resistor 110 could have a resistance greater than 25 Ohms or less than 25 Ohms. Also, the pre-charging resistor 110 could have a current capacity greater than 2 Amps or less than 2 Amps. Further, in an alternative embodiment, the pre-charging resistor 110 could be disposed at another location off of the circuit board 80 . It is also noted that the components on the circuit board 80 may vary based on the functional and electrical requirements of the charging system 40 or the hybrid powertrain system 34 .
- the first connector terminal assembly 120 is electrically coupled to the charging relay coil 162 and the pre-charging relay coil 192 .
- the first connector terminal assembly 120 is further electrically coupled to the microprocessor 42 that generates control signals for energizing the charging relay coil 162 and the pre-charging relay coil 192 , via the first connector terminal assembly 120 .
- the second connector terminal assembly 130 is electrically coupled to the first and second terminals 214 , 216 of the first contactor 70 , the first contactor coil 212 , the first and second terminals 214 , 216 of the second contactor 74 , and the second contactor coil 232 .
- the second connector terminal assembly 130 is further electrically coupled to the microprocessor 42 that generates control signals for energizing the first and second contactor coils 212 , 232 via the second connector terminal assembly 130 .
- the microprocessor 42 can also perform diagnostics on the contactors 70 , 74 by measuring a voltage across the first and second terminals 214 , 216 of the first contactor 70 , and a voltage across the first and second terminals 214 , 216 of the second contactor 74 via the second connector terminal assembly 130 .
- the third connector terminal assembly 140 is coupled to the base portion 60 .
- the third connector terminal assembly 140 is electrically coupled to the charging relay coil 162 and the pre-charging relay coil 192 .
- the third connector terminal assembly 140 is further electrically coupled to the microprocessor 42 .
- the microprocessor 42 can also perform diagnostics on the charging relay coil 162 and the pre-charging relay coil 192 by measuring a voltage at the charging relay coil 162 , and a voltage at the pre-charging relay coil 192 , via the third connector terminal assembly 140 .
- the cover portion 142 is configured to be selectively coupled to the base portion 60 such that the remaining components of the battery disconnect unit 30 are disposed between the base portion 60 and the cover portion 142 .
- the cover portion 142 is constructed of plastic.
- the hybrid powertrain system 34 is electrically coupled between the nodes 270 , 280 and the electrical contactors 70 , 74 .
- the contactors 70 , 72 have a closed operational position, the battery pack 20 is electrically connected to the hybrid powertrain system 34 and an operational voltage from the battery pack 20 is applied to the hybrid powertrain system 34 .
- an operational voltage from the battery pack 20 is removed from the hybrid powertrain system 34 .
- the capacitor 36 is coupled between the nodes 270 , 280 and is electrically coupled in parallel with the hybrid powertrain system 34 .
- the capacitor 36 is also a portion of the electrical load.
- the microprocessor 42 During operation, the microprocessor 42 generates control signals to induce the pre-charging relay 64 to have a closed operational position and the contactor 70 to have a closed operational position to apply an operational voltage to the capacitor 36 to charge the capacitor 36 . Thereafter, the microprocessor 42 generates control signals to induce both the contactors 70 , 72 to have a closed operational position, when the pre-charging relay 64 has an open operational position, to connect the battery pack 20 to the hybrid powertrain system 34 such that an operational voltage from the battery pack 20 is applied to the hybrid powertrain system 34 .
- the microprocessor 42 determines to remove the operational voltage from the hybrid powertrain system 34 , the microprocessor 42 removes the control signals from the coils of the contactors 70 , 72 to induce the contactors 70 , 72 to have open operational positions to disconnect the battery pack 20 from the hybrid powertrain system 34 .
- the microprocessor 42 determines that the battery pack 20 needs to be charged by the charging system 40 , the microprocessor 42 generates control signals to induce the charging relay 62 and the contactor 74 to have closed operational positions to apply an operational voltage from the charging system 40 to the battery pack 20 .
- FIG. 8 a flowchart of method for assembling the battery disconnect unit 30 in accordance with another exemplary embodiment is illustrated.
- an operator disposes the first and second contactors 70 , 74 , the pre-charging relay 64 , and the charging relay 62 , on the base portion 60 .
- the operator disposes the circuit board 80 having first, second, third and fourth bus bars 90 , 92 , 94 , 95 , the pre-charging resistor 110 , and first and second connector terminal assemblies 120 , 130 coupled thereto, above the base portion 60 .
- the first connector terminal assembly 120 is electrically coupled to the charging relay 62 and to the pre-charging relay 64 .
- the second connector terminal assembly 130 is electrically coupled to the first and second contactors 70 , 74 .
- the operator couples the first and second bus bars 90 , 92 to first and second terminals 214 , 216 , respectively, of the first contactor 70 .
- the operator couples the third and fourth bus bars 94 , 96 to first and second terminals 234 , 236 , respectively, of the second contactor 74 .
- the operator couples the cover portion 142 to the base portion 60 such that the first and second contactors 70 , 74 , the pre-charging relay 64 , the charging relay 62 and the circuit board 80 are disposed between the base portion 60 and the cover portion 142 .
- the battery disconnect unit 30 and the method of assembly of the unit 30 provide a substantial advantage over other units and methods.
- the battery disconnect unit 30 provides a technical effect of utilizing a circuit board having first, second, third, and fourth bus bars, and a pre-charging resistor disposed thereon that greatly simplifies the assembly of the battery disconnect unit 30 as compared with other units and methods, and reduces assembly errors.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
- A battery electrical system that can disconnect a battery from a hybrid vehicle powertrain has been utilized. However, the battery electrical system has individual distinct wires coupled to each component and is extremely time consuming to assemble and is prone to assembly errors.
- Accordingly, the inventors herein have recognized a need for an improved battery disconnect unit that reduces and/or minimizes the above-mentioned deficiencies.
- A battery disconnect unit for selectively coupling a battery pack to a load in accordance with an exemplary embodiment is provided. The battery disconnect unit includes a base portion configured to hold first and second contactors, a pre-charging relay, and a charging relay, thereon. The battery disconnect unit further includes a circuit board having first, second, third, and fourth bus bars coupled thereto extending outwardly from the circuit board. The first and second bus bars are coupled to first and second terminals, respectively, of the first contactor. The first bus bar is further configured to be coupled to the battery pack. The second bus bar is further configured to be coupled to the load. The third and fourth bus bars are coupled to third and fourth terminals, respectively, of the second contactor. The third bus bar is further configured to be coupled to the battery pack, and the fourth bus bar is further configured to be coupled to the load.
- A method for assembling a battery disconnect unit in accordance with another exemplary embodiment is provided. The method includes disposing first and second contactors, a pre-charging relay, and a charging relay, on a base portion. The method further includes disposing a circuit board having first, second, third and fourth bus bars, above the base portion. The method further includes coupling the first and second bus bars to first and second terminals, respectively, of the first contactor. The method further includes coupling the third and fourth bus bars to first and second terminals, respectively, of the second contactor. The method further includes coupling a cover portion to the base portion such that the first and second contactors, the charging relay, and the circuit board are disposed between the base portion and the cover portion.
-
FIG. 1 is a schematic of a hybrid vehicle having a battery disconnect unit in accordance with an exemplary embodiment; -
FIG. 2 is an isometric view of the battery disconnect unit ofFIG. 1 ; -
FIG. 3 is another isometric view of a portion of the battery disconnect unit ofFIG. 1 ; -
FIG. 4 is a top view of a portion of the battery disconnect unit ofFIG. 1 ; -
FIG. 5 is another top view of a portion of the battery disconnect unit ofFIG. 1 ; -
FIG. 6 is another top view of a portion of the battery disconnect unit ofFIG. 1 ; -
FIG. 7 is an isometric view of a circuit board utilized in the battery disconnect unit ofFIG. 4 ; and -
FIG. 8 is a flowchart of a method for assembling the battery disconnect unit ofFIG. 1 in accordance with another exemplary embodiment. - Referring to
FIGS. 1 and 2 , ahybrid vehicle 10 having abattery disconnect unit 30 in accordance with an exemplary embodiment is provided. Thehybrid vehicle 10 includes abattery pack 20, thebattery disconnect unit 30, thehybrid powertrain system 34, acapacitor 36, a charging system 450, and amicroprocessor 42. For purposes of understanding, the term load used herein refers to an electrical load. For example, a load can include at least one of thecapacitor 36 and thehybrid powertrain system 34. - The
battery pack 20 is configured to output an operational voltage for thehybrid powertrain system 34. In one exemplary embodiment, thebattery pack 20 includes a plurality of lithium-ion battery modules coupled together in series or in parallel to one another. Of course, in alternative embodiment, other types of battery modules could be utilized in thebattery pack 20, as known to those skilled in the art. - The
battery disconnect unit 30 is configured to selectively electrically couple thebattery pack 20 to thehybrid powertrain system 34 which is an electrical load. Thebattery disconnect unit 30 includes abase portion 60, acharging relay 62, apre-charging relay 64, first andsecond contactors circuit board 80, first, second, third,fourth bus bars pre-charging resistor 110, first, second, and thirdconnector terminal assemblies cover portion 142. - The
base portion 60 is configured to hold thecharging relay 62, thepre-charging relay 64, the first andsecond contactors circuit board 80 thereon. In one exemplary embodiment, thebase portion 60 is constructed of plastic. Also, thebase portion 60 may be attached to thecharging relay 62, thepre-charging relay 64, and the first andsecond contactors - Referring to FIGS. 1 and 3-6, the
charging relay 62 is electrically coupled between thecharging system 40 and thebattery pack 20. Thecharging relay 62 includes acharging relay switch 160, acharging relay coil 162, first and secondcharging relay terminals nuts shafts charging relay coil 162 induces thecharging relay switch 160 to have a closed operational position in response to thecharging relay coil 162 receiving a control signal from themicroprocessor 42. When themicroprocessor 42 removes the control signal from thecoil 162, theswitch 160 has an open operational position. In one exemplary embodiment, thecharging relay switch 160 has a current capacity of 40 Amps. Of course in an alternative embodiment, thecharging relay switch 160 could have a current capacity less than 40 Amps or greater than 40 Amps. The firstcharging relay terminal 164 is electrically coupled to thenode 260 which is further electrically coupled to a positive voltage terminal of thebattery pack 20. The secondcharging relay terminal 166 is electrically coupled to thecharging system 40. Referring toFIGS. 3 , 5 and 7, thenut 168 is utilized to couple theshaft 172 to thecircuit board 80. Thenut 174 is utilized to couple theshaft 174 to thecircuit board 80. Thecharging relay 62 is coupled to thebase portion 60 utilizingscrews - Referring to FIGS. 1 and 3-6, the
pre-charging relay 64 is electrically coupled between thebattery pack 20 and the hybridpower train system 34. Thenode 260 is electrically coupled to a positive voltage terminal of thebattery pack 20 and anode 270 is electrically coupled to the hybridpower train system 34. Thepre-charging relay 64 includes apre-charging relay switch 190, apre-charging relay coil 192, first and secondpre-charging relay terminals nuts shafts pre-charging relay coil 192 induces thepre-charging relay switch 190 to have a closed operational position in response to thepre-charging relay coil 192 receiving a control signal from themicroprocessor 42. When themicroprocessor 42 removes the control signal from thecoil 192, theswitch 190 has an open operational position. In one exemplary embodiment, thepre-charging relay switch 190 has a current capacity of 15 Amps. Of course in an alternative embodiment, thepre-charging relay switch 190 could have a current capacity less than 15 Amps or greater than 15 Amps. The firstpre-charging relay terminal 194 is electrically coupled to thenode 260 that is further electrically coupled to a positive voltage terminal of thebattery pack 20. The secondpre-charging relay terminal 196 is electrically coupled in series with thepre-charging resistor 110, which is coupled to thenode 270 which is further electrically coupled to thehybrid powertrain system 34. Referring toFIGS. 3 , 5 and 7, thenut 198 is utilized to couple theshaft 202 to thecircuit board 80. Thenut 200 is utilized to couple theshaft 204 to thecircuit board 80. Thepre-charging relay 64 is coupled to thebase portion 60 utilizingscrews - Referring to FIGS. 1 and 3-6, the
first contactor 70 is electrically coupled between a positive voltage terminal of thebattery pack 20 and the hybridpower train system 34. Thefirst contactor 70 includes afirst contactor switch 210, afirst contactor coil 212, first andsecond terminals nuts first contactor coil 212 induces thefirst contactor switch 210 to have a closed operational position in response to thefirst contactor coil 212 receiving a control signal from themicroprocessor 42. When themicroprocessor 42 removes the control signal from thecoil 212, theswitch 210 has an open operational position. Thefirst terminal 214 is electrically coupled to thenode 260 and to thebattery pack 20 via thefirst bus bar 90. Thesecond terminal 216 is electrically coupled to thenode 270 and to the hybridpower train system 34 via thesecond bus bar 92. Referring toFIGS. 3 , 5 and 7, thenut 218 is utilized to couple thefirst terminal 214 to thefirst bus bar 90, and thenut 220 is utilized to couple thesecond terminal 216 to thesecond bus bar 92. Thescrews first contactor 70 to thebase portion 60. In one exemplary embodiment, thefirst contactor switch 210 has a current capacity of 500 Amps. Of course in an alternative embodiment, thefirst contactor switch 210 could have a current capacity less than 500 Amps or greater than 500 Amps. - Referring to FIGS. 1 and 3-6, the
second contactor 74 is electrically coupled between a negative voltage terminal of thebattery pack 20 and the hybridpower train system 34. Thesecond contactor 74 includes asecond contactor switch 230, a second contactor coil 232, first andsecond terminals nuts second contactor switch 230 to have a closed operational position in response to the second contactor coil 232 receiving a control signal from themicroprocessor 42. When themicroprocessor 42 removes the control signal from the coil 232, theswitch 230 has an open operational position. Thefirst terminal 234 is electrically coupled to thenode 260 and to thebattery pack 20 via thethird bus bar 94. Thesecond terminal 236 is electrically coupled to thenode 270 and to the hybridpower train system 34 via thefourth bus bar 96. Referring toFIGS. 3 , 5, and 7, thenut 238 is utilized to couple thefirst terminal 234 to thethird bus bar 94, and thenut 240 is utilized to couple thesecond terminal 236 to thefourth bus bar 96. Thescrews second contactor 74 to thebase portion 60. In one exemplary embodiment, thesecond contactor switch 230 has a current capacity of 500 Amps. Of course in an alternative embodiment, thesecond contactor switch 230 could have a current capacity less than 500 Amps or greater than 500 Amps. - Referring to
FIGS. 1 and 7 , thecircuit board 80 is configured to hold the first, second, third, fourth bus bars 90, 92, 94, 96, thepre-charging resistor 110, and the first and secondconnector terminal assemblies circuit board 80. In an exemplary embodiment, the bus bars 90, 94, 94, 96 extend outwardly from thecircuit board 80 for coupling to terminals of the contactors that are not disposed directly underneath thecircuit board 80. Further, the first, second, third, fourth bus bars 90, 92, 94, 96 have apertures 290, 292, 294, 296, respectively, that are configured to receive theterminals pre-charging resistor 110 has a resistance value of 25 Ohms and a current capacity of 2 Amps. Of course, in an alternative embodiment, thepre-charging resistor 110 could have a resistance greater than 25 Ohms or less than 25 Ohms. Also, thepre-charging resistor 110 could have a current capacity greater than 2 Amps or less than 2 Amps. Further, in an alternative embodiment, thepre-charging resistor 110 could be disposed at another location off of thecircuit board 80. It is also noted that the components on thecircuit board 80 may vary based on the functional and electrical requirements of the chargingsystem 40 or thehybrid powertrain system 34. - Referring to
FIGS. 1 and 5 , the firstconnector terminal assembly 120 is electrically coupled to the chargingrelay coil 162 and thepre-charging relay coil 192. The firstconnector terminal assembly 120 is further electrically coupled to themicroprocessor 42 that generates control signals for energizing the chargingrelay coil 162 and thepre-charging relay coil 192, via the firstconnector terminal assembly 120. - The second
connector terminal assembly 130 is electrically coupled to the first andsecond terminals first contactor 70, thefirst contactor coil 212, the first andsecond terminals second contactor 74, and the second contactor coil 232. The secondconnector terminal assembly 130 is further electrically coupled to themicroprocessor 42 that generates control signals for energizing the first and second contactor coils 212, 232 via the secondconnector terminal assembly 130. Themicroprocessor 42 can also perform diagnostics on thecontactors second terminals first contactor 70, and a voltage across the first andsecond terminals second contactor 74 via the secondconnector terminal assembly 130. - The third
connector terminal assembly 140 is coupled to thebase portion 60. The thirdconnector terminal assembly 140 is electrically coupled to the chargingrelay coil 162 and thepre-charging relay coil 192. The thirdconnector terminal assembly 140 is further electrically coupled to themicroprocessor 42. Themicroprocessor 42 can also perform diagnostics on the chargingrelay coil 162 and thepre-charging relay coil 192 by measuring a voltage at the chargingrelay coil 162, and a voltage at thepre-charging relay coil 192, via the thirdconnector terminal assembly 140. - Referring to
FIG. 2 , thecover portion 142 is configured to be selectively coupled to thebase portion 60 such that the remaining components of thebattery disconnect unit 30 are disposed between thebase portion 60 and thecover portion 142. In one exemplary embodiment, thecover portion 142 is constructed of plastic. - Referring to
FIG. 1 , thehybrid powertrain system 34 is electrically coupled between thenodes electrical contactors contactors 70, 72 have a closed operational position, thebattery pack 20 is electrically connected to thehybrid powertrain system 34 and an operational voltage from thebattery pack 20 is applied to thehybrid powertrain system 34. When at least one of thecontactors 70, 72 has an open operational position, an operational voltage from thebattery pack 20 is removed from thehybrid powertrain system 34. - The
capacitor 36 is coupled between thenodes hybrid powertrain system 34. Thecapacitor 36 is also a portion of the electrical load. - During operation, the
microprocessor 42 generates control signals to induce thepre-charging relay 64 to have a closed operational position and thecontactor 70 to have a closed operational position to apply an operational voltage to thecapacitor 36 to charge thecapacitor 36. Thereafter, themicroprocessor 42 generates control signals to induce both thecontactors 70, 72 to have a closed operational position, when thepre-charging relay 64 has an open operational position, to connect thebattery pack 20 to thehybrid powertrain system 34 such that an operational voltage from thebattery pack 20 is applied to thehybrid powertrain system 34. When themicroprocessor 42 determines to remove the operational voltage from thehybrid powertrain system 34, themicroprocessor 42 removes the control signals from the coils of thecontactors 70, 72 to induce thecontactors 70, 72 to have open operational positions to disconnect thebattery pack 20 from thehybrid powertrain system 34. When themicroprocessor 42 determines that thebattery pack 20 needs to be charged by the chargingsystem 40, themicroprocessor 42 generates control signals to induce the chargingrelay 62 and thecontactor 74 to have closed operational positions to apply an operational voltage from the chargingsystem 40 to thebattery pack 20. - Referring to
FIG. 8 , a flowchart of method for assembling thebattery disconnect unit 30 in accordance with another exemplary embodiment is illustrated. - At
step 300, an operator disposes the first andsecond contactors pre-charging relay 64, and the chargingrelay 62, on thebase portion 60. - At
step 302, the operator disposes thecircuit board 80 having first, second, third and fourth bus bars 90, 92, 94, 95, thepre-charging resistor 110, and first and secondconnector terminal assemblies base portion 60. The firstconnector terminal assembly 120 is electrically coupled to the chargingrelay 62 and to thepre-charging relay 64. The secondconnector terminal assembly 130 is electrically coupled to the first andsecond contactors - At
step 304, the operator couples the first and second bus bars 90, 92 to first andsecond terminals first contactor 70. - At
step 306, the operator couples the third and fourth bus bars 94, 96 to first andsecond terminals second contactor 74. - At
step 308, the operator couples thecover portion 142 to thebase portion 60 such that the first andsecond contactors pre-charging relay 64, the chargingrelay 62 and thecircuit board 80 are disposed between thebase portion 60 and thecover portion 142. - The
battery disconnect unit 30 and the method of assembly of theunit 30 provide a substantial advantage over other units and methods. In particular, thebattery disconnect unit 30 provides a technical effect of utilizing a circuit board having first, second, third, and fourth bus bars, and a pre-charging resistor disposed thereon that greatly simplifies the assembly of thebattery disconnect unit 30 as compared with other units and methods, and reduces assembly errors. - While the claimed invention has been described in detail in connection with only a limited number of embodiments, it should be readily understood that the invention is not limited to such disclosed embodiments. Rather, the claimed invention can be modified to incorporate any number of variations, alterations, substitutions or equivalent arrangements not heretofore described, but which are commensurate with the spirit and scope of the invention. Additionally, while various embodiments of the claimed invention have been described, it is to be understood that aspects of the invention may include only some of the described embodiments. Accordingly, the claimed invention is not to be seen as limited by the foregoing description.
Claims (15)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/073,000 US8288031B1 (en) | 2011-03-28 | 2011-03-28 | Battery disconnect unit and method of assembling the battery disconnect unit |
KR1020120014549A KR101313744B1 (en) | 2011-03-28 | 2012-02-14 | Battery Disconnectin Unit and Method of Assembling The Battery Disconnection Unit |
EP12157882.7A EP2505419B1 (en) | 2011-03-28 | 2012-03-02 | Battery disconnect unit and method of assembling the battery disconnect unit |
PL12157882T PL2505419T3 (en) | 2011-03-28 | 2012-03-02 | Battery disconnect unit and method of assembling the battery disconnect unit |
JP2012046379A JP5531041B2 (en) | 2011-03-28 | 2012-03-02 | Battery cutting unit and method of assembling the battery cutting unit |
CN201210054824.8A CN102700424B (en) | 2011-03-28 | 2012-03-05 | Battery disconnect unit and method of assembling the battery disconnect unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/073,000 US8288031B1 (en) | 2011-03-28 | 2011-03-28 | Battery disconnect unit and method of assembling the battery disconnect unit |
Publications (2)
Publication Number | Publication Date |
---|---|
US20120251866A1 true US20120251866A1 (en) | 2012-10-04 |
US8288031B1 US8288031B1 (en) | 2012-10-16 |
Family
ID=45757337
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/073,000 Active US8288031B1 (en) | 2011-03-28 | 2011-03-28 | Battery disconnect unit and method of assembling the battery disconnect unit |
Country Status (6)
Country | Link |
---|---|
US (1) | US8288031B1 (en) |
EP (1) | EP2505419B1 (en) |
JP (1) | JP5531041B2 (en) |
KR (1) | KR101313744B1 (en) |
CN (1) | CN102700424B (en) |
PL (1) | PL2505419T3 (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130175857A1 (en) * | 2012-01-09 | 2013-07-11 | Johnson Controls Technology Llc | Pre-charging vehicle bus using parallel battery packs |
US20130301233A1 (en) * | 2012-05-09 | 2013-11-14 | Cobasys, Llc | Inverted base battery disconnect unit |
US20160190841A1 (en) * | 2013-08-07 | 2016-06-30 | Robert Bosch Gmbh | Precharging unit for a battery interruption unit |
US20170062793A1 (en) * | 2015-08-24 | 2017-03-02 | Elitise Llc | Contactor assembly for battery module |
US20190084424A1 (en) * | 2017-09-19 | 2019-03-21 | Ford Global Technologies, Llc | Contactor supply bus |
US20190097438A1 (en) * | 2017-09-25 | 2019-03-28 | Lg Chem, Ltd. | Battery management apparatus, and battery pack and vehicle including the same |
US10326442B2 (en) | 2015-12-29 | 2019-06-18 | Lear Corporation | Assembly having internally configurable solid-state switch arrangement for use as one or more disconnection switches in electrical systems and having external package common to the electrical systems |
US10807474B2 (en) * | 2016-06-22 | 2020-10-20 | Lg Chem, Ltd. | Driving circuit for electric vehicle and control method thereof |
US20230080258A1 (en) * | 2021-09-10 | 2023-03-16 | Kitty Hawk Corporation | Battery system with cylindrical battery cells and ribbon bonding |
DE102014200244B4 (en) | 2014-01-09 | 2023-11-30 | Robert Bosch Gmbh | Separating device for the galvanic isolation of a voltage source from an electrical consumer in the event of a fault, comprising a plug connector system and a battery system with such a separating device |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5536382B2 (en) * | 2009-07-08 | 2014-07-02 | 矢崎総業株式会社 | Power supply |
US9297860B2 (en) | 2012-12-03 | 2016-03-29 | Lg Chem, Ltd. | High voltage service disconnect assembly and method for determining an isolation resistance fault of a battery pack |
CN103287282B (en) * | 2013-05-24 | 2015-11-18 | 潍柴动力股份有限公司 | A kind of power battery charging fender guard |
US9251985B2 (en) | 2013-08-08 | 2016-02-02 | Lg Chem, Ltd. | Fuse lock-out assembly for a battery pack |
US10032588B2 (en) | 2013-09-24 | 2018-07-24 | Ford Global Technologies, Llc | Integrated high voltage contactor and service disconnect |
KR101792819B1 (en) | 2014-05-13 | 2017-11-01 | 주식회사 엘지화학 | Relay Assembly for Battery Pack |
US10300791B2 (en) * | 2015-12-18 | 2019-05-28 | Ge Global Sourcing Llc | Trolley interfacing device having a pre-charging unit |
KR20170003870U (en) * | 2016-05-04 | 2017-11-15 | 엘에스산전 주식회사 | Battery Disconnected Unit for Electric Vehicle |
KR102237376B1 (en) * | 2016-09-08 | 2021-04-06 | 삼성에스디아이 주식회사 | Battery pack |
CN108964166B (en) * | 2017-09-30 | 2024-02-23 | 厦门宏发电力电器有限公司 | Pre-charging module with main positive relay |
CN110962602B (en) * | 2019-04-15 | 2021-06-15 | 宁德时代新能源科技股份有限公司 | Load holding circuit applied to battery management system |
CN111890940A (en) * | 2020-08-05 | 2020-11-06 | 东软睿驰汽车技术(沈阳)有限公司 | BDU, battery package, power supply unit and electric automobile |
KR20230012355A (en) * | 2021-07-15 | 2023-01-26 | 주식회사 엘지에너지솔루션 | Battery pack and vehicle including the same |
KR20230106299A (en) | 2022-01-06 | 2023-07-13 | 엘에스일렉트릭(주) | Terminal structure |
DE102022210649A1 (en) | 2022-10-10 | 2024-04-11 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electrical circuit for a high-voltage network of a vehicle |
DE102022210657A1 (en) | 2022-10-10 | 2024-04-11 | Robert Bosch Gesellschaft mit beschränkter Haftung | Electrical circuit for a high-voltage network of a vehicle |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7304453B2 (en) * | 2004-08-13 | 2007-12-04 | Modular Energy Devices, Inc. | Methods and systems for assembling batteries |
Family Cites Families (139)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2273244A (en) | 1940-04-03 | 1942-02-17 | Electric Storage Battery Co | Storage battery cell |
SE319224B (en) | 1966-12-19 | 1970-01-12 | Asea Ab | |
US3503558A (en) | 1968-03-14 | 1970-03-31 | Electrolux Corp | Exhaust diffusion manifold for a vacuum cleaner or the like |
US4390841A (en) | 1980-10-14 | 1983-06-28 | Purdue Research Foundation | Monitoring apparatus and method for battery power supply |
US4396689A (en) | 1981-06-01 | 1983-08-02 | Exxon Research And Engineering Co. | Separator-spacer for electrochemical systems |
JPH0456079A (en) | 1990-06-21 | 1992-02-24 | Furukawa Battery Co Ltd:The | Nonaqueous electrolyte for lithium secondary battery and lithium secondary battery thereof |
CH679620A5 (en) | 1990-12-11 | 1992-03-13 | Sulzer Ag | |
US5071652A (en) | 1990-12-11 | 1991-12-10 | Globe-Union Inc. | Metal oxide hydrogen battery having improved heat transfer properties |
US5364711A (en) | 1992-04-01 | 1994-11-15 | Kabushiki Kaisha Toshiba | Fuel cell |
US5385793A (en) | 1992-07-20 | 1995-01-31 | Globe-Union Inc. | Thermal management of battery systems |
JP3026690B2 (en) | 1992-11-30 | 2000-03-27 | 株式会社リコー | Potential estimation device |
US5354630A (en) | 1992-12-10 | 1994-10-11 | Comsat | Ni-H2 battery having improved thermal properties |
JP3209457B2 (en) | 1992-12-11 | 2001-09-17 | 本田技研工業株式会社 | Battery remaining capacity detection method |
CA2122092C (en) | 1993-04-28 | 2006-06-06 | Atsuo Omaru | Secondary battery having non-aqueous electrolyte |
US5520976A (en) | 1993-06-30 | 1996-05-28 | Simmonds Precision Products Inc. | Composite enclosure for electronic hardware |
US5825155A (en) | 1993-08-09 | 1998-10-20 | Kabushiki Kaisha Toshiba | Battery set structure and charge/ discharge control apparatus for lithium-ion battery |
US5487958A (en) | 1993-12-06 | 1996-01-30 | Tura; Drew | Interlocking frame system for lithium-polymer battery construction |
US5470671A (en) | 1993-12-22 | 1995-11-28 | Ballard Power Systems Inc. | Electrochemical fuel cell employing ambient air as the oxidant and coolant |
US5663007A (en) | 1994-02-23 | 1997-09-02 | Matsushita Electric Industrial Co., Ltd. | Sealed storage battery and method for manufacturing the same |
JP3260951B2 (en) | 1994-02-23 | 2002-02-25 | 松下電器産業株式会社 | Single cell and unit cell of sealed alkaline storage battery |
DE4407156C1 (en) | 1994-03-04 | 1995-06-08 | Deutsche Automobilgesellsch | Electric storage battery housing for electrically-driven automobile |
US5487955A (en) | 1994-03-15 | 1996-01-30 | Electric Fuel (E.F.L.) Ltd. | Cooled zinc-oxygen battery |
US5346786A (en) | 1994-03-21 | 1994-09-13 | Hodgetts Philip J | Modular rack mounted battery system |
US5606242A (en) | 1994-10-04 | 1997-02-25 | Duracell, Inc. | Smart battery algorithm for reporting battery parameters to an external device |
US5633573A (en) | 1994-11-10 | 1997-05-27 | Duracell, Inc. | Battery pack having a processor controlled battery operating system |
JPH08138735A (en) | 1994-11-16 | 1996-05-31 | Fujitsu Ltd | Lithium secondary battery |
JP3451142B2 (en) | 1994-11-18 | 2003-09-29 | 本田技研工業株式会社 | Battery assembly with temperature control mechanism |
JP3599859B2 (en) | 1994-12-29 | 2004-12-08 | 石原産業株式会社 | Porous substance-polymer solid electrolyte composite, method for producing the same, and photoelectric conversion element using the same |
JPH08222280A (en) | 1995-02-15 | 1996-08-30 | Fujikura Ltd | Cooling structure of na-s battery module |
JP3745424B2 (en) | 1995-11-06 | 2006-02-15 | 東芝電池株式会社 | Battery manufacturing method |
DE69730413T2 (en) | 1996-11-21 | 2005-09-08 | Koninklijke Philips Electronics N.V. | BATTERY CONTROL SYSTEM AND BATTERY SIMULATOR |
JP3416440B2 (en) | 1997-01-10 | 2003-06-16 | 三洋電機株式会社 | Anode for lithium battery and lithium battery |
US6099986A (en) | 1997-07-25 | 2000-08-08 | 3M Innovative Properties Company | In-situ short circuit protection system and method for high-energy electrochemical cells |
US6117584A (en) | 1997-07-25 | 2000-09-12 | 3M Innovative Properties Company | Thermal conductor for high-energy electrochemical cells |
JP3854382B2 (en) | 1997-08-18 | 2006-12-06 | 株式会社クレハ | Polymer matrix for forming gelled solid electrolyte, solid electrolyte and battery |
EP0971407B1 (en) | 1997-10-14 | 2004-07-21 | Matsushita Electric Industrial Co., Ltd. | Thermal conductive unit and thermal connection structure using same |
JPH11155241A (en) | 1997-11-21 | 1999-06-08 | Hitachi Ltd | Pair-battery charging-current control circuit and pair-battery charging method |
JPH11191432A (en) | 1997-12-26 | 1999-07-13 | Fuji Elelctrochem Co Ltd | Lithium secondary battery |
US7147045B2 (en) | 1998-06-08 | 2006-12-12 | Thermotek, Inc. | Toroidal low-profile extrusion cooling system and method thereof |
US6413678B1 (en) | 1999-03-03 | 2002-07-02 | Ube Industries, Inc. | Non-aqueous electrolyte and lithium secondary battery using the same |
JP4231127B2 (en) | 1998-09-03 | 2009-02-25 | パナソニック株式会社 | Integrated battery temperature control method and apparatus |
US6353815B1 (en) | 1998-11-04 | 2002-03-05 | The United States Of America As Represented By The United States Department Of Energy | Statistically qualified neuro-analytic failure detection method and system |
AU1727600A (en) | 1998-11-16 | 2000-06-05 | C & D Technologies, Inc. | Selectable capacity fixed footprint lead-acid battery racking system with horizontal plates |
FR2792776B1 (en) | 1999-04-23 | 2002-09-06 | Oldham France Sa | DIRECT CURRENT SUPPLY SOURCE FOR ELECTRIC MOTOR VEHICLE |
JP4778602B2 (en) | 1999-07-22 | 2011-09-21 | パナソニック株式会社 | Secondary battery |
JP4416266B2 (en) | 1999-10-08 | 2010-02-17 | パナソニック株式会社 | Sealed prismatic battery |
JP2001196103A (en) | 2000-01-12 | 2001-07-19 | Matsushita Electric Ind Co Ltd | Cooling structure of integrated battery |
DE10021161A1 (en) | 2000-04-29 | 2001-10-31 | Vb Autobatterie Gmbh | Method for determining the state of charge and the load capacity of an electric accumulator |
JP4196521B2 (en) | 2000-05-19 | 2008-12-17 | 新神戸電機株式会社 | Battery structure and battery module for electric vehicle |
TW535308B (en) | 2000-05-23 | 2003-06-01 | Canon Kk | Detecting method for detecting internal state of a rechargeable battery, detecting device for practicing said detecting method, and instrument provided with said |
JP2001359283A (en) * | 2000-06-12 | 2001-12-26 | Matsushita Electric Works Ltd | Relay unit |
US7251889B2 (en) | 2000-06-30 | 2007-08-07 | Swales & Associates, Inc. | Manufacture of a heat transfer system |
US6462949B1 (en) | 2000-08-07 | 2002-10-08 | Thermotek, Inc. | Electronic enclosure cooling system |
DE10056969A1 (en) | 2000-11-17 | 2002-05-23 | Bosch Gmbh Robert | Determining battery charge involves computing charge in first range of operation on basis of model computation in which measured and computed battery voltages are equalized by feedback |
KR100444410B1 (en) | 2001-01-29 | 2004-08-16 | 마쯔시다덴기산교 가부시키가이샤 | Non-aqueous electrolyte secondary battery |
DE10106505A1 (en) | 2001-02-13 | 2002-08-29 | Bosch Gmbh Robert | Method and device for condition detection of technical systems such as energy storage |
DE10106508A1 (en) | 2001-02-13 | 2002-08-29 | Bosch Gmbh Robert | Method and arrangement for determining the performance of a battery |
US6441586B1 (en) | 2001-03-23 | 2002-08-27 | General Motors Corporation | State of charge prediction method and apparatus for a battery |
US20020166654A1 (en) | 2001-05-02 | 2002-11-14 | Smalc Martin D. | Finned Heat Sink Assemblies |
US6422027B1 (en) | 2001-05-03 | 2002-07-23 | Ford Global Tech., Inc. | System and method for cooling a battery pack |
US6876175B2 (en) | 2001-06-29 | 2005-04-05 | Robert Bosch Gmbh | Methods for determining the charge state and/or the power capacity of charge store |
JP4361229B2 (en) | 2001-07-04 | 2009-11-11 | 日産自動車株式会社 | Battery system |
US7072871B1 (en) | 2001-08-22 | 2006-07-04 | Cadex Electronics Inc. | Fuzzy logic method and apparatus for battery state of health determination |
RU2193261C1 (en) | 2001-09-03 | 2002-11-20 | Гительсон Александр Владимирович | Accumulator |
US20030082440A1 (en) | 2001-10-29 | 2003-05-01 | Johnson Controls Technology Company | Battery system |
JP3927017B2 (en) * | 2001-11-26 | 2007-06-06 | 株式会社オートネットワーク技術研究所 | Circuit structure and manufacturing method thereof |
US6727708B1 (en) | 2001-12-06 | 2004-04-27 | Johnson Controls Technology Company | Battery monitoring system |
US6534954B1 (en) | 2002-01-10 | 2003-03-18 | Compact Power Inc. | Method and apparatus for a battery state of charge estimator |
JP3867581B2 (en) | 2002-01-17 | 2007-01-10 | 松下電器産業株式会社 | Assembled battery system |
EP1479127B1 (en) | 2002-02-19 | 2006-07-26 | 3M Innovative Properties Company | Temperature control apparatus and method for high energy electrochemical cells |
US20030184307A1 (en) | 2002-02-19 | 2003-10-02 | Kozlowski James D. | Model-based predictive diagnostic tool for primary and secondary batteries |
US6821671B2 (en) | 2002-03-01 | 2004-11-23 | Lg Chem, Ltd. | Method and apparatus for cooling and positioning prismatic battery cells |
KR100471233B1 (en) | 2002-06-26 | 2005-03-10 | 현대자동차주식회사 | Method of generating maximum charge current and maximum discharge current for battery in a hybrid electric vehicle |
US6771502B2 (en) | 2002-06-28 | 2004-08-03 | Advanced Energy Technology Inc. | Heat sink made from longer and shorter graphite sheets |
DE10231700B4 (en) | 2002-07-13 | 2006-06-14 | Vb Autobatterie Gmbh & Co. Kgaa | Method for determining the aging state of a storage battery with regard to the removable amount of charge and monitoring device |
JP3594023B2 (en) | 2002-07-30 | 2004-11-24 | 日産自動車株式会社 | Battery module |
DE10240329B4 (en) | 2002-08-31 | 2009-09-24 | Vb Autobatterie Gmbh & Co. Kgaa | Method for determining the charge quantity of a storage battery and monitoring device for a storage battery that can be taken from a fully charged storage battery |
DE10252760B4 (en) | 2002-11-13 | 2009-07-02 | Vb Autobatterie Gmbh & Co. Kgaa | Method for predicting the internal resistance of a storage battery and monitoring device for storage batteries |
CN1228873C (en) | 2002-12-27 | 2005-11-23 | 中国科学院物理研究所 | Composite electrolyte and its use |
US6892148B2 (en) | 2002-12-29 | 2005-05-10 | Texas Instruments Incorporated | Circuit and method for measurement of battery capacity fade |
US6832171B2 (en) | 2002-12-29 | 2004-12-14 | Texas Instruments Incorporated | Circuit and method for determining battery impedance increase with aging |
JP4473823B2 (en) | 2003-01-30 | 2010-06-02 | ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング | State quantity and parameter estimation device using multiple partial models for electrical energy storage |
US7199557B2 (en) | 2003-07-01 | 2007-04-03 | Eaton Power Quality Company | Apparatus, methods and computer program products for estimation of battery reserve life using adaptively modified state of health indicator-based reserve life models |
US20050026014A1 (en) | 2003-07-31 | 2005-02-03 | Michael Fogaing | Polymer batteries having thermal exchange apparatus |
DE10335930B4 (en) | 2003-08-06 | 2007-08-16 | Vb Autobatterie Gmbh & Co. Kgaa | Method for determining the state of an electrochemical storage battery |
JP4045340B2 (en) | 2003-08-13 | 2008-02-13 | 現代自動車株式会社 | Battery effective power calculation method and calculation system |
US6927554B2 (en) | 2003-08-28 | 2005-08-09 | General Motors Corporation | Simple optimal estimator for PbA state of charge |
US7109685B2 (en) | 2003-09-17 | 2006-09-19 | General Motors Corporation | Method for estimating states and parameters of an electrochemical cell |
US20050100786A1 (en) | 2003-09-19 | 2005-05-12 | Ryu Duk H. | Nonaqueous lithium secondary battery with cyclability and/or high temperature safety improved |
US7039534B1 (en) | 2003-11-03 | 2006-05-02 | Ryno Ronald A | Charging monitoring systems |
US7321220B2 (en) | 2003-11-20 | 2008-01-22 | Lg Chem, Ltd. | Method for calculating power capability of battery packs using advanced cell model predictive techniques |
US20050127874A1 (en) | 2003-12-12 | 2005-06-16 | Myoungho Lim | Method and apparatus for multiple battery cell management |
WO2005059427A1 (en) | 2003-12-17 | 2005-06-30 | Eaton Corporation | Fitting for fluid conveyance |
EP1702219B1 (en) | 2003-12-18 | 2012-05-02 | LG Chemical Co., Ltd. | Apparatus and method for estimating state of charge of battery using neural network |
DE102004005478B4 (en) | 2004-02-04 | 2010-01-21 | Vb Autobatterie Gmbh | Method for determining parameters for electrical states of a storage battery and monitoring device for this purpose |
US7126312B2 (en) | 2004-07-28 | 2006-10-24 | Enerdel, Inc. | Method and apparatus for balancing multi-cell lithium battery systems |
US7525285B2 (en) | 2004-11-11 | 2009-04-28 | Lg Chem, Ltd. | Method and system for cell equalization using state of charge |
US8103485B2 (en) | 2004-11-11 | 2012-01-24 | Lg Chem, Ltd. | State and parameter estimation for an electrochemical cell |
US7315789B2 (en) | 2004-11-23 | 2008-01-01 | Lg Chem, Ltd. | Method and system for battery parameter estimation |
KR100857021B1 (en) | 2004-12-10 | 2008-09-05 | 주식회사 엘지화학 | Locking-typed Battery Pack |
US7197487B2 (en) | 2005-03-16 | 2007-03-27 | Lg Chem, Ltd. | Apparatus and method for estimating battery state of charge |
US7229327B2 (en) | 2005-05-25 | 2007-06-12 | Alcoa Fujikura Limited | Canted coil spring power terminal and sequence connection system |
KR100765659B1 (en) | 2005-08-09 | 2007-10-10 | 현대자동차주식회사 | Fuel cell-stack structure for automobile |
JP2007048750A (en) | 2005-08-10 | 2007-02-22 | Samsung Sdi Co Ltd | Battery module |
US7589532B2 (en) | 2005-08-23 | 2009-09-15 | Lg Chem, Ltd. | System and method for estimating a state vector associated with a battery |
US20070087266A1 (en) | 2005-10-18 | 2007-04-19 | Debbi Bourke | Modular battery system |
US7446504B2 (en) | 2005-11-10 | 2008-11-04 | Lg Chem, Ltd. | System, method, and article of manufacture for determining an estimated battery state vector |
JP4874632B2 (en) * | 2005-11-15 | 2012-02-15 | プライムアースEvエナジー株式会社 | Battery pack |
US7723957B2 (en) | 2005-11-30 | 2010-05-25 | Lg Chem, Ltd. | System, method, and article of manufacture for determining an estimated battery parameter vector |
KR101029021B1 (en) | 2005-12-02 | 2011-04-14 | 주식회사 엘지화학 | Battery Module of High Cooling Efficiency |
US7400115B2 (en) | 2006-02-09 | 2008-07-15 | Lg Chem, Ltd. | System, method, and article of manufacture for determining an estimated combined battery state-parameter vector |
US7521895B2 (en) | 2006-03-02 | 2009-04-21 | Lg Chem, Ltd. | System and method for determining both an estimated battery state vector and an estimated battery parameter vector |
JP4906433B2 (en) * | 2006-08-07 | 2012-03-28 | 富士通テン株式会社 | In-vehicle control device |
KR100921346B1 (en) | 2006-09-25 | 2009-10-13 | 주식회사 엘지화학 | Mid-Large Battery Module and Battery Module Assembly |
KR100889241B1 (en) | 2006-10-23 | 2009-03-17 | 주식회사 엘지화학 | Member of Connecting Electrode in Battery Module |
KR101064240B1 (en) | 2006-11-27 | 2011-09-14 | 주식회사 엘지화학 | Power Supply System Having Heat Radiation-Preventing Structure |
JP5121295B2 (en) * | 2007-04-25 | 2013-01-16 | 三洋電機株式会社 | Power supply for vehicle |
JP5205792B2 (en) * | 2007-04-25 | 2013-06-05 | パナソニック株式会社 | Induction heating apparatus and method of manufacturing flat coil conductor |
US8309248B2 (en) | 2007-07-26 | 2012-11-13 | Lg Chem, Ltd. | Battery cell carrier assembly having a battery cell carrier for holding a battery cell therein |
US8628872B2 (en) | 2008-01-18 | 2014-01-14 | Lg Chem, Ltd. | Battery cell assembly and method for assembling the battery cell assembly |
JP5268377B2 (en) * | 2008-01-29 | 2013-08-21 | 三洋電機株式会社 | Power supply for vehicle |
US8426050B2 (en) | 2008-06-30 | 2013-04-23 | Lg Chem, Ltd. | Battery module having cooling manifold and method for cooling battery module |
US8067111B2 (en) | 2008-06-30 | 2011-11-29 | Lg Chem, Ltd. | Battery module having battery cell assembly with heat exchanger |
US8486552B2 (en) | 2008-06-30 | 2013-07-16 | Lg Chem, Ltd. | Battery module having cooling manifold with ported screws and method for cooling the battery module |
US7883793B2 (en) | 2008-06-30 | 2011-02-08 | Lg Chem, Ltd. | Battery module having battery cell assemblies with alignment-coupling features |
US9759495B2 (en) | 2008-06-30 | 2017-09-12 | Lg Chem, Ltd. | Battery cell assembly having heat exchanger with serpentine flow path |
US9140501B2 (en) | 2008-06-30 | 2015-09-22 | Lg Chem, Ltd. | Battery module having a rubber cooling manifold |
JP2010041794A (en) * | 2008-08-04 | 2010-02-18 | Nissan Motor Co Ltd | Vehicle driving device |
US8202645B2 (en) | 2008-10-06 | 2012-06-19 | Lg Chem, Ltd. | Battery cell assembly and method for assembling the battery cell assembly |
US9537326B2 (en) * | 2009-04-16 | 2017-01-03 | Valence Technology, Inc. | Batteries, battery systems, battery submodules, battery operational methods, battery system operational methods, battery charging methods, and battery system charging methods |
US9337456B2 (en) | 2009-04-20 | 2016-05-10 | Lg Chem, Ltd. | Frame member, frame assembly and battery cell assembly made therefrom and methods of making the same |
US8403030B2 (en) | 2009-04-30 | 2013-03-26 | Lg Chem, Ltd. | Cooling manifold |
US20100275619A1 (en) | 2009-04-30 | 2010-11-04 | Lg Chem, Ltd. | Cooling system for a battery system and a method for cooling the battery system |
US8663828B2 (en) | 2009-04-30 | 2014-03-04 | Lg Chem, Ltd. | Battery systems, battery module, and method for cooling the battery module |
US8663829B2 (en) | 2009-04-30 | 2014-03-04 | Lg Chem, Ltd. | Battery systems, battery modules, and method for cooling a battery module |
US8852778B2 (en) | 2009-04-30 | 2014-10-07 | Lg Chem, Ltd. | Battery systems, battery modules, and method for cooling a battery module |
US8703318B2 (en) | 2009-07-29 | 2014-04-22 | Lg Chem, Ltd. | Battery module and method for cooling the battery module |
US8399118B2 (en) | 2009-07-29 | 2013-03-19 | Lg Chem, Ltd. | Battery module and method for cooling the battery module |
US8399119B2 (en) | 2009-08-28 | 2013-03-19 | Lg Chem, Ltd. | Battery module and method for cooling the battery module |
-
2011
- 2011-03-28 US US13/073,000 patent/US8288031B1/en active Active
-
2012
- 2012-02-14 KR KR1020120014549A patent/KR101313744B1/en active IP Right Grant
- 2012-03-02 EP EP12157882.7A patent/EP2505419B1/en active Active
- 2012-03-02 PL PL12157882T patent/PL2505419T3/en unknown
- 2012-03-02 JP JP2012046379A patent/JP5531041B2/en active Active
- 2012-03-05 CN CN201210054824.8A patent/CN102700424B/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7304453B2 (en) * | 2004-08-13 | 2007-12-04 | Modular Energy Devices, Inc. | Methods and systems for assembling batteries |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9350187B2 (en) * | 2012-01-09 | 2016-05-24 | Johnson Controls Technology Llc | Pre-charging vehicle bus using parallel battery packs |
US20130175857A1 (en) * | 2012-01-09 | 2013-07-11 | Johnson Controls Technology Llc | Pre-charging vehicle bus using parallel battery packs |
US20130301233A1 (en) * | 2012-05-09 | 2013-11-14 | Cobasys, Llc | Inverted base battery disconnect unit |
US8934264B2 (en) * | 2012-05-09 | 2015-01-13 | Robert Bosch Gmbh | Inverted base battery disconnect unit |
US20160190841A1 (en) * | 2013-08-07 | 2016-06-30 | Robert Bosch Gmbh | Precharging unit for a battery interruption unit |
DE102014200244B4 (en) | 2014-01-09 | 2023-11-30 | Robert Bosch Gmbh | Separating device for the galvanic isolation of a voltage source from an electrical consumer in the event of a fault, comprising a plug connector system and a battery system with such a separating device |
US20170062793A1 (en) * | 2015-08-24 | 2017-03-02 | Elitise Llc | Contactor assembly for battery module |
US10326442B2 (en) | 2015-12-29 | 2019-06-18 | Lear Corporation | Assembly having internally configurable solid-state switch arrangement for use as one or more disconnection switches in electrical systems and having external package common to the electrical systems |
US10807474B2 (en) * | 2016-06-22 | 2020-10-20 | Lg Chem, Ltd. | Driving circuit for electric vehicle and control method thereof |
US20190084424A1 (en) * | 2017-09-19 | 2019-03-21 | Ford Global Technologies, Llc | Contactor supply bus |
US10752115B2 (en) * | 2017-09-19 | 2020-08-25 | Ford Global Technologies, Llc | Contactor supply bus |
US10530166B2 (en) * | 2017-09-25 | 2020-01-07 | Lg Chem, Ltd. | Battery management apparatus, and battery pack and vehicle including the same |
US20190097438A1 (en) * | 2017-09-25 | 2019-03-28 | Lg Chem, Ltd. | Battery management apparatus, and battery pack and vehicle including the same |
US20230080258A1 (en) * | 2021-09-10 | 2023-03-16 | Kitty Hawk Corporation | Battery system with cylindrical battery cells and ribbon bonding |
Also Published As
Publication number | Publication date |
---|---|
EP2505419A3 (en) | 2016-08-03 |
EP2505419A2 (en) | 2012-10-03 |
US8288031B1 (en) | 2012-10-16 |
JP2012213313A (en) | 2012-11-01 |
JP5531041B2 (en) | 2014-06-25 |
EP2505419B1 (en) | 2019-02-20 |
CN102700424B (en) | 2014-10-29 |
CN102700424A (en) | 2012-10-03 |
PL2505419T3 (en) | 2019-06-28 |
KR20120110002A (en) | 2012-10-09 |
KR101313744B1 (en) | 2013-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8288031B1 (en) | Battery disconnect unit and method of assembling the battery disconnect unit | |
US20130099795A1 (en) | Electric leakage detecting apparatus | |
KR20100117521A (en) | Battery module, battery system and electric vehicle | |
CN103048545A (en) | Device for determining the insulation resistance of a high-voltage battery system | |
DE102012209615A1 (en) | Battery condition reporting unit, busbar module, battery pack and battery condition monitoring system | |
CN102097646A (en) | Battery module, battery system and electric vehicle including the same | |
JP6706688B2 (en) | Battery control device | |
WO2017047258A1 (en) | Battery pack | |
CN111886507A (en) | Integrated current measuring device | |
JP6004174B2 (en) | Welding judgment circuit | |
JP4835570B2 (en) | Voltage detection device for battery pack | |
US20190232814A1 (en) | Battery system for a battery-operated electric vehicle and method for utilizing a remaining range of same | |
JP5298158B2 (en) | Power supply | |
KR20160122887A (en) | Insulating Jig and Battery Module Assembly using the same Jig | |
US9117735B2 (en) | Hybrid circuit | |
CN110832334B (en) | Fault diagnosis device | |
JP4540429B2 (en) | Power supply for vehicle | |
KR20170127150A (en) | Power Relay Assembly for Electric Vehicle | |
EP2999081B1 (en) | Battery pack discharging device and battery pack discharging method | |
CN216562137U (en) | Real device and system of instructing of electric motor car battery | |
CN217730373U (en) | High-voltage distribution box | |
KR20170000325U (en) | Integrated pre-charge relay for battery disconnect unit of electric vehicle | |
JP2015101288A (en) | Relaying device for regeneration system | |
US9673488B2 (en) | Battery system having a separately connected determination circuit, battery, and motor vehicle having a battery system | |
CN220190466U (en) | Power supply circuit, vehicle-mounted controller and vehicle |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: LG CHEM, LTD., KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:MATEJEK, BOB;NIEDZWIECKI, MARK;PHILLIPS, GREG;AND OTHERS;REEL/FRAME:026030/0709 Effective date: 20110323 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
FEPP | Fee payment procedure |
Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 8 |
|
AS | Assignment |
Owner name: LG ENERGY SOLUTION, LTD., KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LG CHEM, LTD.;REEL/FRAME:058295/0068 Effective date: 20211027 |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 12TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1553); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 12 |