Method and device for controlling transmitter

• US 9,338,017 B2
• Filed: 03/26/2015
• Issued: 05/10/2016
• Est. Priority Date: 04/30/2014
• Status: Active Grant

• Current Assignee: Delta Electronics Company Limited (Delta Electronics Incorporated)
• Original Assignee: Delta Electronics Company Limited (Delta Electronics Incorporated)
• Inventors: Zhu, Ziyu, Zhai, Dazhong
• Primary Examiner(s): Bocure, Tesfaldet
• Application Number:
  US14/670,008
• Publication Number:
  US 20150319002A1
• Time in Patent Office: 411 Days
• Field of Search: 375/295, 375/224
• US Class Current: 1/1
• CPC Class Codes: H04B 1/04 Circuits
• CPC Class Codes: H04L 12/12 Arrangements for remote connection or disconnection of substations or of equipment thereof
• CPC Class Codes: Y02D 30/50 in wire-line communication networks, e.g. low power modes or reduced link rate

Abstract

A method for controlling a transmitter, comprising: awaking and initiating the transmitter by a trigger signal generated by a timer; detecting whether the transmitter receives an input control parameter from outside of the transmitter, and if yes, updating an input control parameter stored in the transmitter by using the received input control parameter; reading the input control parameter currently stored in the transmitter; performing operations based on the read input control parameter so as to control the transmitter to select one sensor signal from a plurality of sensor signals, amplify the selected sensor signal with a gain within a first gain range, and output the amplified sensor signal; and after determining that the transmitter has accomplished a task specified by the read input control parameter, resetting the timer, and entering into a sleeping state until the timer generates the trigger signal.

Claims

1. A method for controlling a transmitter, comprising:

an awaking step of awaking and initiating the transmitter by a trigger signal generated by a timer;

an input control parameter updating step of detecting whether the transmitter receives an input control parameter from outside of the transmitter, and if yes, updating an input control parameter stored in the transmitter by using the received input control parameter;

an input control parameter reading step of reading the input control parameter currently stored in the transmitter;

a sensor signal acquiring step of performing operations based on the read input control parameter so as to control the transmitter to select one sensor signal from a plurality of sensor signals, amplify the selected sensor signal with a gain within a first gain of a first variable gain amplifier, and output the amplified sensor signal; and

a sleeping step of, after determining that the transmitter has accomplished a task specified by the read input control parameter, resetting the timer, and entering into a sleeping state until the timer generates the trigger signal.

2. The method according to claim 1, wherein

the timer is provided in interior of the transmitter, and is implemented by software or hardware.

3. The method according to claim 1, wherein

the timer generates the trigger signal immediately for the input control parameter from the outside of the transmitter.

4. The method according to claim 1, before the sensor signal acquiring step, further comprising:

a pre-amplifying step of controlling the transmitter to pre-amplify the plurality of sensor signals with gains within a second gain of a second variable gain amplifier.

5. The method according to claim 4, before the pre-amplifying step, further comprising:

a pre-selecting step of determining whether it is required to pre-amplify the plurality of sensor signals with gains within the second gain, and if it is determined that it is not required, controlling the plurality of sensor signals to skip over the pre-amplifying step.

6. The method according to claim 1, after the sensor signal acquiring step, further comprising:

a multiplexing step of controlling the transmitter to perform a time division multiplexing to the sensor signal amplified with the gain within the first gain, and outputting the time division multiplexed sensor signals.

7. The method according to claim 1, after the sensor signal acquiring step, further comprising:

a control parameter outputting step of controlling the transmitter to output an output control parameter generated by the transmitter.

8. The method according to claim 7, wherein the output control parameter comprises at least one of the follows:

channel numbers corresponding to sources of the plurality of the sensor signals, control parameters for cascading expansion of the transmitter, and control parameters for directly controlling devices outside the transmitter.

9. The method according to claim 1, wherein

before the sleeping step, the sensor signal acquiring step is performed N times with respect to N sensor signals of N channels, wherein N is a natural number greater than 1.

10. The method according to claim 1, wherein

an execution time of the sensor signal acquiring step is determined based on the read input control parameter.

11. The method according to claim 7, before the sleeping step, further comprising:

a current state recording step of controlling the transmitter to record a current state of the transmitter and outputting the current state of the transmitter.

12. The method according to claim 8, wherein

in the control parameter outputting step, the transmitter directly sends the control parameters for directly controlling devices outside the transmitter to adjusting devices which mate with a plurality of sensors corresponding to the plurality of sensor signals, so as to drive the adjusting devices directly.

13. A device for controlling a transmitter, comprising:

an awaking module configured to awake and initiate the transmitter by a trigger signal generated by a timer;

an input control parameter updating module configured to detect whether the transmitter receives an input control parameter from outside of the transmitter, and if yes, update an input control parameter stored in the transmitter by using the received input control parameter;

an input control parameter reading module configured to read the input control parameter currently stored in the transmitter;

a sensor signal acquiring module configured to perform operations based on the read input control parameter so as to control the transmitter to select one sensor signal from a plurality of sensor signals, amplify the selected sensor signal with a gain within a first gain of a first variable gain amplifier, and output the amplified sensor signal; and

a sleeping module configured, after determining that the transmitter has accomplished a task specified by the read input control parameter, to reset the timer, and make the transmitter enter into a sleeping state until the timer generates the trigger signal.

14. The device according to claim 13, wherein

the timer is provided in interior of the transmitter, and is implemented by software or hardware.

15. The device according to claim 13, wherein

the timer generates the trigger signal immediately for the input control parameter from the outside of the transmitter.

16. The device according to claim 13, further comprising:

a pre-amplifying module configured to control the transmitter to pre-amplify the plurality of sensor signals with gains within a second gain of a second variable gain amplifier.

17. The device according to claim 16, further comprising:

a pre-selecting module configured to determine whether it is required to pre-amplify the plurality of sensor signals with gains within the second gain, and if it is determined that it is not required, control the plurality of sensor signals to skip over the pre-amplifying module.

18. The device according to claim 13, further comprising:

a multiplexing module configured to control the transmitter to perform a time division multiplexing to the sensor signal amplified with the gain within the first gain, and output the time division multiplexed sensor signals.

19. The device according to claim 13, further comprising:

a control parameter outputting module configured to control the transmitter to output an output control parameter generated by the transmitter.

20. The device according to claim 19, wherein the output control parameter comprises at least one of the follows:

channel numbers corresponding to sources of the plurality of the sensor signals, control parameters for cascading expansion of the transmitter, and control parameters for directly controlling devices outside the transmitter.

21. The device according to claim 13, wherein

the sensor signal acquiring module is configured to be performed N times with respect to N sensor signals of N channels, wherein N is a natural number greater than 1.

22. The device according to claim 13, wherein

the sensor signal acquiring module is configured to determine an operating time thereof based on the read input control parameter.

23. The device according to claim 19, further comprising:

a current state recording module configured to control the transmitter to record a current state of the transmitter and output the current state of the transmitter.

24. The device according to claim 20, wherein

in the control parameter outputting module, the transmitter directly sends the control parameters for directly controlling devices outside the transmitter to adjusting devices which mate with a plurality of sensors corresponding to the plurality of sensor signals, so as to drive the adjusting devices directly.