Welding torch with a temperature measurement device

• US 10,537,956 B2
• Filed: 02/01/2016
• Issued: 01/21/2020
• Est. Priority Date: 04/06/2012
• Status: Active Grant

• Current Assignee: Illinois Tool Works Inc.
• Original Assignee: Illinois Tool Works Inc.
• Inventors: Hung, Derek Yu-Fung, Luck, John Alan, Kadlec, Mark Steven
• Primary Examiner(s): Evans, Geoffrey S
• Application Number:
  US15/012,454
• Publication Number:
  US 20160144445A1
• Time in Patent Office: 1,450 Days
• CPC Class Codes: B23K 9/0956 using sensing means, e.g. optical
• CPC Class Codes: B23K 9/1006 Power supply
• CPC Class Codes: B23K 9/16 making use of shielding gas selection of media B23K35/38
• CPC Class Codes: B23K 9/164 making use of a moving fluid
• CPC Class Codes: B23K 9/32 Accessories earthing connections H01R

Abstract

Various welding systems including a welding torch assembly are provided. The welding torch assemblies may include a welding torch adapted to be utilized in a welding operation to establish a welding arc between the welding torch and a workpiece. The welding torch assemblies may also include a temperature sensing system integral with the welding torch and adapted to sense a temperature of the workpiece.

Claims

1. A welding system, comprising:

a welding power source comprising power conversion circuitry configured to receive primary power and to convert the primary power to a weld power output for use in a welding operation; and

a temperature sensing system integral with a welding torch and comprising a temperature probe configured to sense, at one of a plurality of temperature detection zones, a temperature relating to the welding operation at least one of before, during, or after the welding operation, wherein the temperature detection zones are located at least one of outside of a shielding gas cone created by the welding torch or on the perimeter of the shielding gas cone; and

a display configured to display the sensed temperature.

2. The welding system of claim 1, wherein the temperature is a temperature of a workpiece.

3. The welding system of claim 1, wherein the temperature is a temperature of a weld bead, a weld pool, or a heat affected zone.

4. The welding system of claim 1, wherein the temperature sensing system comprises an energy storage device configured to provide energy to power operation of the temperature sensing system.

5. The welding system of claim 4, wherein the energy storage device comprises a battery configured to be removed from the temperature sensing system.

6. The welding system of claim 1, wherein the welding power source comprises control circuitry configured to control operation of the power conversion circuitry to provide the weld power output and an auxiliary power output configured to power to the temperature sensing system.

7. The welding system of claim 1, comprising gas control valving configured to regulate a flow of gas to the welding torch.

8. The welding system of claim 1, comprising a welding system, wherein the temperature sensing system is configured to communicate data relating to the sensed temperature to the welding system, and the welding system is configured to store the communicated data.

9. The welding system of claim 1, wherein the temperature sensing system comprises a non-contact sensor configured to sense the temperature without establishment of physical contact between the non-contact sensor and a workpiece.

10. The welding system of claim 9, wherein the non-contact sensor comprises an infrared sensor.

11. The welding system of claim 1, wherein the temperature sensing system comprises a contact sensor configured to sense the temperature via physical contact between the contact sensor and a workpiece.

12. The welding system of claim 11, wherein the contact sensor comprises a thermocouple, a resistance thermometer, a thermistor, or a combination thereof.

13. A welding system, comprising:

a welding torch configured to be utilized in a welding operation to establish a welding arc between the welding torch and a workpiece; and

a temperature sensing system integral with the welding torch and configured to sense a temperature relating to the welding operation at least one of before, during, or after the welding operation

wherein the temperature sensing system is reversibly coupled to the welding torch in a toolless engagement.

14. The welding system of claim 13, wherein the temperature is a temperature of a workpiece.

15. The welding system of claim 13, wherein the temperature is a temperature of a weld bead, a weld pool, or a heat affected zone.

16. The welding system of claim 13, comprising a welding system, wherein the temperature sensing system is configured to communicate data relating to the sensed temperature to the welding system, and the welding system is configured to store the communicated data.

17. The welding system of claim 13, wherein the temperature sensing system comprises an infrared sensing system.

18. A welding system, comprising:

a welding torch configured to be utilized in a welding operation to establish a welding arc between the welding torch and a workpiece; and

a temperature sensing system integral with the welding torch and configured to sense the temperature relating to the welding operation at least one of before, during, or after the welding operation;

wherein the temperature sensing system is coupled to the welding torch in an engagement that is configured to be reversible without the use of tools.

19. A welding system, comprising:

a welding torch configured to be utilized in a welding operation to establish a welding arc between the welding torch and a workpiece; and

a temperature sensing system reversibly coupled to the welding torch in a toolless engagement and configured to sense a temperature relating to the welding operation at least one of before, during, or after the welding operation.

20. The welding system of claim 19, wherein the temperature sensing system comprises an infrared sensing system.

21. The welding system of claim 19, wherein the temperature is a temperature of a workpiece.

22. The welding system of claim 19, wherein the temperature is a temperature of a weld bead, a weld pool, or a heat affected zone.

23. The welding system of claim 19, wherein the temperature sensing system comprises a temperature probe configured to sense the temperature and a display configured to display the sensed temperature.

24. The welding system of claim 19, wherein the temperature sensing system comprises a removable energy storage device configured to provide energy to power operation of the temperature sensing system.

25. The welding system of claim 19, comprising a welding system, wherein the temperature sensing system is configured to communicate data relating to the sensed temperature to the welding system, and the welding system is configured to store the communicated data.