JPH058502Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to a radiation thermometer using an optical fiber.

[Prior art] A radiation thermometer using an optical fiber collects radiant energy from a measurement target using a lens, etc.
The temperature is measured by guiding it to the detection section using an optical fiber.

[Problems to be solved by this invention] However, this type of fiber thermometer
The condensing section, optical fiber, and detection section are all integrated, making it difficult to check and calibrate on-site with the condensing section installed.

In view of the above points, the purpose of this invention is to provide a radiation thermometer that is easy to check and calibrate.

[Means for solving the problem] This invention connects a condensing section or a standard light source to one end of an optical fiber via an optical connector, and connects a measuring detection section or a standard detection section to the other end via an optical connector. This is a radiation thermometer that is connected via a

[Embodiment] FIG. 1 is a configuration explanatory diagram showing an embodiment of this invention.

In the figure, 1 is a first condenser that connects a tube 11 with one end closed to a base 12 and outputs radiant energy from the bottom of the tube 11 to an optical fiber 6 via an optical connector 10, and 2 is a condenser. A second condensing unit 3 that condenses the radiant energy from the measurement target using the optical lens 21 and outputs it to the optical fiber 6 via the optical connector 20 is a standard light source such as a blackbody furnace and is connected to the optical connector 30.
The signal is output to the optical fiber 6 via the optical fiber 6. 4
5 is a measurement detection unit that includes a detection element and a measurement circuit and detects light from the optical fiber 6 via the optical connector 40 to measure the temperature of the object to be measured; 5 is connected to the fiber 6 via the optical connector 50; The calibrated standard detection unit 6 has optical connectors 61, 6 on both ends.
An optical connector 61 is removably connected to each of the optical connectors 10, 20, and 30 of each converging unit 1, 2 and standard light source 3 using an optical fiber having a detection unit 4, which is used for measurement.
An optical connector 62 is detachably connected to each optical connector 40, 50 of the standard detection unit 5.

The first light condensing section 1 or the second light condensing section 2 is installed at the site where the measurement target is located, and the optical connectors 10, 20
The optical connector 61 of the optical fiber 6 is connected to the optical fiber 6, and the optical connector 62 of the optical fiber 6 and the optical connector 40 of the detection section 4 for measurement are connected and combined. In this state, the radiant energy from the object to be measured is guided to the condensing parts 1 and 2, the optical fiber 6, and the detection part 4 for measurement, and the temperature of the object to be measured is measured.

By the way, if it becomes necessary to check or calibrate the detection section 4 for measurement, connect the optical connector 61 of the optical fiber 6 to the optical connector 30 of the standard light source 3, and connect the light condensing sections 1 and 2 to the site. The detection unit 4 for measurement can be checked and calibrated while it is installed.

Furthermore, when checking and calibration of the first and second light collecting units 1 and 2 becomes necessary, the optical connector 62 of the optical fiber 6 can be connected to the optical connector 50 of the standard detecting unit 5, and the combined light collecting units 1 and 2 can be checked and calibrated.

In addition, even during the adjustment at the time of shipment, the condensing section 1,
2 and the measuring detector 4 can be checked and calibrated separately and then combined using the optical fiber 6.

[Effect of idea]

As mentioned above, this idea combines a light condensing section, an optical fiber, and a detection section separately, and uses a standard light source.
Since standard detection units can be combined as desired, checking and calibration during use and adjustment can be carried out very easily.

[Brief explanation of drawings]

FIG. 1 is a configuration explanatory diagram showing an embodiment of this invention. 1, 2... Light collecting section, 4, 5... Detecting section, 6...
optical fiber.

Claims (1)

[Scope of Claim for Utility Model Registration] 1. An optical fiber, one end of which is removably connected to a standard light source such as a light concentrator or a blackbody furnace that condenses radiant energy from a measurement target, and the optical fiber. It is equipped with a measurement detection section or a standard detection section that can be detachably connected via an optical connector at the other end, and the detection section can be checked by connecting a standard light source such as a blackbody furnace to the optical fiber.
A radiation thermometer that is characterized by being able to be calibrated, and by connecting a standard detection part to an optical fiber, it is possible to check and calibrate the light condensing part. 2. The radiation temperature according to claim 1 of the utility model registration, characterized in that the light condensing part is a tube whose one end is closed, the open side of which is connected to the base body, and an optical fiber is connected by an optical connector. Total.