Dynamic load controller for a battery
DC CAFCFirst Claim
1. A dynamic load controller for a battery, comprising:
- detection circuitry for measuring at least one condition related to battery capacity; and
optimization circuitry for optimizing power delivery from the battery at an optimum power based upon the at least one condition.
7 Assignments
Litigations
0 Petitions
Accused Products
Abstract
A method and apparatus for indicating a low battery condition and for dynamically controlling the load on a battery in order to optimize battery usage. A dynamic load controller for a battery includes detection circuitry for measuring at least one condition related to battery capacity, and power control circuitry for adjusting a power load on the battery based upon the condition. The dynamic load controller may be employed to control the power load on a battery that powers an electrotherapy device, such as a defibrillator. The battery condition may include the slope of a capacity curve, which may be the product of the battery voltage and the power delivered from the battery as a function of the delivered power. Based upon this condition, the power control circuitry adjusts the power load to optimize power delivery from the battery. The controller includes circuitry for indicating a low battery condition if battery voltage falls below a battery voltage threshold and the power load falls below a power threshold, or if the optimum power falls below a power threshold. The controller also includes circuitry for indicating a replace battery condition if battery voltage falls below a battery voltage threshold and the power load falls below a minimum power threshold, or if the optimum power falls below a minimum power threshold.
117 Citations
92 Claims
-
1. A dynamic load controller for a battery, comprising:
-
detection circuitry for measuring at least one condition related to battery capacity; and optimization circuitry for optimizing power delivery from the battery at an optimum power based upon the at least one condition. - View Dependent Claims (2, 3, 4, 5, 6)
-
-
7. A dynamic load controller for a battery, comprising:
-
detection circuitry for measuring at least one condition related to battery capacity; and power control circuitry for adjusting a power load on the battery based upon the at least one condition, wherein the at least one condition includes a slope of a capacity curve of the battery. - View Dependent Claims (8, 9, 10, 11, 12, 13, 14, 19)
-
-
15. In a battery system having a battery that includes a main stack for powering a main load and a sense cell for powering the main load and a dummy load, a dynamic load controller comprising:
-
detection circuitry for measuring at least one condition of the battery; and disabling circuitry for disabling the dummy load based upon the at least one condition of the battery. - View Dependent Claims (16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. In a battery system having a battery that includes a main stack for powering a main load and a sense cell for powering the main load and a dummy load, a dynamic load controller comprising:
-
circuitry for optimizing power delivery to the main load at an optimum power level by measuring characteristics of the sense cell; and circuitry for optimizing power delivery to the main load by measuring characteristics of the main stack if the sense cell reaches a low capacity condition. - View Dependent Claims (30, 31, 32, 33)
-
-
34. A method for dynamically controlling the load on a battery, comprising the steps of:
-
measuring at least one condition related to battery capacity; and optimizing power delivery from the battery at an optimum power based upon the at least one condition. - View Dependent Claims (35, 36, 37, 38, 39)
-
-
40. A method for dynamically controlling the load on a battery, comprising the steps of:
-
measuring at least one condition related to battery capacity; and adjusting a power load on the battery based upon the at least one condition, wherein the at least one condition includes a slope of a capacity curve of the battery. - View Dependent Claims (41, 42, 43, 44, 45, 46, 47)
-
-
48. In a battery system having a battery that includes a main stack for powering a main load and a sense cell for powering the main load and a dummy load, a method for dynamically controlling the load on the battery comprising the steps of:
-
measuring at least one condition of the battery; and disabling the dummy load based upon the at least one condition of the battery. - View Dependent Claims (49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61)
-
-
62. In a battery system having a battery that includes a main stack for powering a main load and a sense cell for powering the main load and a dummy load, a method for dynamically controlling the load on the battery comprising the steps of:
-
optimizing power delivery to the main load at an optimum power level by measuring characteristics of the sense cell; and optimizing power delivery to the main load by measuring characteristics of the main stack if the sense cell reaches a low capacity condition. - View Dependent Claims (63, 64, 65, 66)
-
-
67. A method of providing a battery capacity indication in an electrotherapy device powered by a battery, the method comprising the following steps:
-
operating the electrotherapy device to treat a patient; monitoring a battery parameter during the operating step; providing a low battery capacity indication based on a value of the battery parameter, the providing step being performed while the electrotherapy device can provide at least three therapeutic electrical shocks to the patient before the battery is depleted. - View Dependent Claims (68, 69, 70, 71, 72, 73, 74, 75, 76)
-
-
77. A method of providing a battery capacity indication in an electrotherapy device powered by a battery, the method comprising the following steps:
-
monitoring a battery parameter of the electrotherapy device battery; providing a low battery capacity indication based on a value of the battery parameter, the providing step being performed while the electrotherapy device can provide at least three therapeutic electrical shocks to a patient before the battery is depleted. - View Dependent Claims (78, 79)
-
-
80. An apparatus for providing a battery capacity indication in an electrotherapy device powered by a battery, the apparatus comprising:
-
monitoring circuitry for monitoring a battery parameter of the electrotherapy device battery; and indication circuitry for providing a low battery capacity indication based on a value of the battery parameter while the electrotherapy device can provide at least three therapeutic electrical shocks to a patient before the battery is depleted. - View Dependent Claims (81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92)
-
Specification