Electrical system enhancer

• US 10,023,065 B2
• Filed: 11/25/2014
• Issued: 07/17/2018
• Est. Priority Date: 11/25/2013
• Status: Active Grant

• Current Assignee: Smart Start Technology Pty Ltd.
• Original Assignee: Smart Start Technology Pty Ltd.
• Inventors: Huang, Ricky Zhong, Tan, Jing K.
• Primary Examiner(s): GRANT, ROBERT J
• Application Number:
  US15/038,622
• Publication Number:
  US 20160297317A1
• Time in Patent Office: 1,330 Days
• Field of Search: 320109, 320167
• CPC Class Codes: B60L 58/12 responding to state of charge [SoC]
• CPC Class Codes: H02J 7/0047 with monitoring or indicating devices or circuits
• CPC Class Codes: H02J 7/345 using capacitors as storage or buffering devices
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries

Abstract

An electrical system enhancer for an electrical system; the electrical system including a chemical storage battery; the, enhancer including an array of ultra capacitors arid an intelligent trickle charge circuit; the array of ultra capacitors controllably, switchably, electrically connectable to the chemical, storage battery under the control of the trickle charge circuit. Also disclosed is a method of enhancing performance of a vehicle electrical system by interconnecting a storage battery of the vehicle with an array of ultra capacitors; the array of ultra capacitors controllably, switchably electrically connected to the vehicle electric chemical storage battery by means of an intelligent trickle charge circuit. In a particular preferred form the trickle charge circuit includes a microprocessor programmed to connect and disconnect the chemical storage battery to and from the array of ultra capacitors under pre-defined conditions while retaining electrical connection between the battery and the trickle charged circuit.

Claims

1. A vehicle having an internal combustion engine;

said internal combustion engine started by supply of power from an electrical system enhancer;

said electrical system enhancer for an electrical system;

the electrical system including a chemical storage battery;

said enhancer comprising an array of ultra capacitors and an intelligent trickle charge circuit;

said array of ultra capacitors controllably, switchably, electrically connectable to the chemical storage battery under the control of the trickle charge circuit;

the enhancer including a communication module whereby at least status of the chemical storage battery can be monitored from a remote location and aspects of the enhancer can be controlled from the remote location; and

wherein a substitute battery of the vehicle and the associated enhancer combination are sized in accordance with the following steps;

sizing the battery for the designated application as being at a specified CCA rating (cold cranking amps);

sizing the battery for the battery and enhancer combination by subtracting a predetermined adjustment CCA value from the specified CCA rating so as to produce a specified battery and ultracapacitor combination CCA rating;

sizing the battery for the substitute combined battery and ultracapacitor combination in accordance with the specified battery and ultracapacitor combination CCA rating;

sizing the ultracapacitor of the substitute battery and ultracapacitor combination according to its sustained maximum current delivery capability over a predetermined time window where the maximum current delivery is at least that of the battery for the designated application;

electrically connecting said substitute battery and ultracapacitor combination so as to form the substituted battery and ultracapacitor combination;

removing said battery from the designated application and substituting the substituted battery and ultracapacitor combination into the application by electrical connection therein to.

2. The vehicle of claim 1 including, in combination, an engine controller in communication with the enhancer;

said engine controller having a stop start function whereby an internal combustion engine of said vehicle controlled by said controller is caused to stop rather than idle and is restarted by supply of power substantially from said enhancer.

3. The vehicle of claim 1 wherein the trickle charge circuit includes a microprocessor programmed to connect and disconnect the chemical storage battery to and from the array of ultra capacitors under pre-defined conditions whilst retaining electrical connection between the battery and the trickle charged circuit.

4. The vehicle of claim 1 wherein said trickle charger circuit includes a processor in communication with the trickle charger wherein said electrical isolation switch allows current flow therethrough thereby to allow charging of said capacitor array by the chemical storage battery (or the vehicle electrical system electrically connected to the storage battery) when the voltage across the chemical storage battery is at or above a predetermined level in normal charge mode.

5. The vehicle of claim 1 wherein array of ultra capacitors has a total array capacitance greater than 10 F.

6. The vehicle of claim 1 wherein said chemical storage battery and said array of ultra capacitors are electrically interconnected.

7. The vehicle of claim 1 wherein ultra capacitors of said array of ultra capacitors are interconnected in series.

8. The vehicle of claim 1 wherein ultra capacitors of said array of ultra capacitors receive a charge from said chemical storage battery;

said charge modulated by the microprocessor and a regulator module of the trickle charge circuit.

9. The vehicle of claim 1 wherein each ultra capacitor of said array of ultra capacitors is charged individually.

10. The vehicle of claim 1 wherein ultra capacitors of said array of ultra capacitors are charged in banks.

11. The vehicle of claim 1 wherein said electrical system enhancer is retro-fitted for interconnection with said chemical storage battery.

12. The vehicle of claim 1 wherein said electrical system enhancer and said chemical storage battery are electrically interconnected and enclosed in a common enclosure thereby to form a smart battery.

13. The vehicle of claim 1 wherein the capacitor array is electrically connected to the chemical storage battery via a switch;

said switch open circuit during trickle charging of the capacitors of the array whereby the capacitor array is charged while isolated from the chemical storage battery.

14. The vehicle of claim 1 wherein a relay switch is placed between the load and the battery and is controllable by the enhancer to controllably isolate the load from the battery and from the enhancer.

15. A method for substitution of a chemical storage battery in a designated application by a combined chemical storage battery and ultracapacitor combination;

said method comprising

sizing the battery for the designated application as being at a specified CCA rating (cold cranking amps);

sizing the battery for the battery and ultra charger combination by subtracting a predetermined adjustment CCA value from the specified CCA rating so as to produce a specified battery and ultracapacitor combination CCA rating;

sizing the battery for the substitute combined battery and ultracapacitor combination in accordance with the specified battery and ultracapacitor combination CCA rating;

sizing the Ultra capacitor of the substitute battery and ultracapacitor combination according to its sustained maximum current delivery capability over a predetermined time window where the maximum current delivery is at least that of the battery for the designated application;

electrically connecting said substitute battery and ultracapacitor combination so as to form the substituted battery and ultracapacitor combination;

removing said battery from the designated application and substituting the substituted battery and ultracapacitor combination into the application by electrical connection therein to;

the battery and ultracapacitor combination further including a communication module whereby at least status of the chemical storage battery can be monitored from a remote location and aspects of the battery and ultracapacitor combination can be controlled from the remote location.

16. The method of claim 15 wherein the trickle charge circuit includes a microprocessor programmed to connect and disconnect the chemical storage battery to and from the array of ultra capacitors under pre-defined conditions whilst retaining electrical connection between the battery and the trickle charged circuit.

17. The method of claim 15 wherein said trickle charger circuit includes a processor in communication with the trickle charger wherein said electrical isolation switch allows current flow therethrough thereby to allow charging of said capacitor array by the chemical storage battery (or the vehicle electrical system electrically connected to the storage battery) when the voltage across the chemical storage battery is at or above a predetermined level in normal charge mode.

18. The method of claim 15 wherein the array of ultra capacitors has a total array capacitance greater than 10 F.

19. The method of claim 15 wherein said chemical storage battery and said array of ultra capacitors are electrically interconnected.

20. The method of claim 15 wherein ultra capacitors of said array of ultra capacitors are interconnected in series.