Modular electrical power distribution system with module detection systems and methods
Techniques are disclosed for systems and methods associated with a modular electrical power distribution system with module detection. A modular electrical power distribution system may include a plurality of controllers, a shared serial communication bus between the plurality of controllers, and a module detection signal line coupled through the plurality of controllers. The plurality of controllers may include a master controller, a power input controller, and one or more load controllers disposed between the master controller and the power input controller.
1. A modular electrical power distribution system, comprising:
a plurality of controllers coupled together, the plurality of controllers comprising a master controller, a power input controller, and one or more load controllers disposed between the master controller and the power input controller;
a shared serial communication bus coupled between the plurality of controllers; and
a module detection signal line coupled through the plurality of controllers,
wherein each load controller comprises:
a pair of prongs configured to interface with a succeeding controller of the plurality of controllers along the shared serial communication bus to partially define the module detection signal line and/or the shared serial communication bus with the succeeding controller;
a pair of prong receptacles configured to interface with a preceding controller of the plurality of controllers along the shared serial communication bus to partially define the module detection signal line and/or the shared serial communication bus with the preceding controller;
a first electrical connector configured to interface with the succeeding controller to partially define the module detection signal line and/or the shared serial communication bus with the succeeding controller; and
a second electrical connector configured to interface with the preceding controller to partially define the module detection signal line and/or the shared serial communication bus with the preceding controller.
2. The modular electrical power distribution system of claim 1 , wherein:
the one or more load controllers comprise a first load controller and a second load controller stacked side-by-side; and
the first electrical connector of the second load controller interfaces with the second electrical connector of the first load controller when the first load controller and the second load controller are stacked side-by-side.
3. The modular electrical power distribution system of claim 1 , wherein:
the master controller is stacked side-by-side with a first load controller of the one or more load controllers; and
the master controller comprises a third electrical connector configured to interface with the first electrical connector of the first load controller when the first load controller and the master controller are stacked side-by-side.
4. The modular electrical power distribution system of claim 3 ,
wherein:
the power input controller is stacked side-by-side with a second load controller of the one or more load controllers; and
the power input controller comprises a fourth electrical connector configured to interface with the second electrical connector of the second load controller when the second load controller and the master controller are stacked side-by-side.
5. The modular electrical power distribution system of claim 1 , wherein each load controller further comprises:
one or more bosses configured to interface with the succeeding controller to align and secure the succeeding controller; and
one or more apertures configured to interface with the preceding controller to align and secure the preceding controller.
6. The modular electrical power distribution system of claim 5 , wherein:
the one or more load controllers comprise a first load controller and a second load controller stacked side-by-side;
the pair of prongs of the first load controller interfaces with the pair of prong receptacles of the second load controller to define the module detection signal line and/or the shared serial communication bus between the first load controller and the second load controller;
the first electrical connector of the first load controller interfaces with the second electrical connector of the second load controller to define the module detection signal line and/or the shared serial communication bus between the first load controller and the second load controller; and
the one or more bosses of the first load controller interfaces with the one or more apertures of the second load controller to secure the first load controller to the second load controller.
7. The modular electrical power distribution system of claim 5 , wherein:
the master controller comprises a second pair of prongs configured to interface with the pair of prong receptacles of a load controller of the one or more load controllers; and
the power input controller comprises a second pair of prong receptacles configured to interface with the pair of prongs of a load controller of the one or more load controllers.
8. The modular electrical power distribution system of claim 1 , wherein the master controller comprises a logic device configured to:
send, via the module detection signal line, a module detection signal to a first load controller of the one or more load controllers;
receive, via the shared serial communication bus, a module identification signal from the first load controller; and
instantiate the first load controller as a first module in a global configuration list.
9. The modular electrical power distribution system of claim 1 , wherein each load controller of the one or more load controllers comprises a logic device configured to:
receive, via the module detection signal line, a first module detection signal from a preceding controller of the plurality of controllers along the shared serial communication bus;
send, via the shared serial communication bus, a module identification signal to the master controller; and
send, via the module detection signal line, a second module detection signal to a succeeding controller of the plurality of controllers along the shared serial communication bus.
10. A method of detecting one or more characteristics of a modular electrical power distribution system comprising a plurality of controllers in communication with one another via a shared serial communication bus and a module detection signal line, the method comprising:
sending, via the module detection signal line, a first module detection signal to a first load controller of the plurality of controllers;
receiving, via the shared serial communication bus, a first module identification signal from the first load controller;
receiving, via the shared serial communication bus, a second module identification signal from a second load controller of the plurality of controllers; and
receiving, via the shared serial communication bus, a third module identification signal from a power input controller of the plurality of controllers.
11. The method of claim 10 , further comprising:
sending a first acknowledgement signal to the first load controller;
sending a second acknowledgement signal to the second load controller; and
sending a third acknowledgement signal to the power input controller.
12. The method of claim 10 , further comprising:
instantiating the first load controller as a first module in a global configuration list;
instantiating the second load controller as a second module in the global configuration list; and
terminating the detection process.
13. The method of claim 10 , wherein:
a master controller of the plurality of controllers asserts the first module detection signal to the first load controller to prompt the first load controller to send the first module identification signal to the master controller;
the first load controller asserts a second module detection signal to the second load controller to prompt the second load controller to send the second module identification signal to the master controller; and
the second load controller asserts a third module detection signal to the power input controller to prompt the power input controller to send the third module identification signal to the master controller.
14. A method of detecting one or more modules of a modular electrical power distribution system comprising a plurality of controllers in communication with one another via a shared serial communication bus and a module detection signal line, the method comprising:
receiving, by a controller of the plurality of controllers and via the module detection signal line, an input detection signal from a preceding controller of the plurality of controllers along the shared serial communication bus;
sending, by the controller via the shared serial communication bus, a module identification signal to a master controller; and
sending, by the controller over the module detection signal line, an output detection signal to a succeeding controller of the plurality of controllers along the shared serial communication bus.
15. The method of claim 14 , wherein:
the controller is a load controller; and
the preceding controller is the master controller.
16. The method of claim 15 , wherein the succeeding controller is a second load controller.
17. The method of claim 14 , wherein the succeeding controller is a power input controller.
18. The method of claim 14 , further comprising instantiating, by the master controller, the controller in a global configuration list.
19. The method of claim 18 , further comprising sending, by the master controller, an acknowledgement signal to the controller.