JPH10227686A - Operating state detector for high temperature equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an operating state detector for a high temperature equipment in which heat of the equipment is scarcely transmitted to a vibration detecting means by detecting conditions necessary to detect, vibration and temperature merely by coupling an operating state detector to the equipment. SOLUTION: Heat radiating fins 5 of different shapes are formed on an outer periphery of a vibration transmission member 1 according to conditions necessary to detect. An opening 16 for containing the fins 5 therein movably along the outer peripheries of the fins 5 is formed in an operating state detector 2. A reading means 19 for reading shapes of the fins 5 when the fins 5 are contained therein is mounted at the detector 2. A vibration detecting means 12 for coupling a steam trap 20 to the member 1 via the fins 5 is mounted in the detector 2, and a temperature detecting means 17 is mounted at an end of the opening 16 of the detector 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention detects the operating state of a high-temperature device such as a valve or a steam trap through which a high-temperature fluid such as steam or condensate passes by detecting vibration and temperature accompanying the operation. The present invention relates to an operating state detecting device for a high-temperature device.

At a production site in a factory or a plant, many devices such as various high-temperature valves and steam traps are installed, and these devices obtain the maximum production amount with the minimum energy consumption and the highest. In order to maintain production quality, its working condition is checked constantly or regularly.

[0003]

2. Description of the Related Art Japanese Patent Laid-Open No.
There is one disclosed in JP-A-210699. What is shown here is a device for detecting the operating state of a steam trap, which has storage means for storing conditions necessary for detection, a vibration transmitting member attached directly to or near the steam trap, and a storage device. A reading means of the means and an operating state detector having a vibration and temperature detecting means. After the conditions stored in the storage means are read by the reading means, the operating state detector is attached to the vibration transmitting member to detect the vibration and the temperature. Is what you do.

[0004]

SUMMARY OF THE INVENTION In the above prior art,
Since the conditions stored in the storage means must be read by the reading means and the operating state detector must be attached to the vibration transmitting member thereafter, labor and time are required particularly when detecting the operating states of many high temperature devices. There was a problem.

Further, in the above-mentioned conventional apparatus, there is a problem that the heat of the high-temperature equipment is easily transmitted to the vibration detecting means of the operating state detector, and the accuracy of detecting the vibration is deteriorated.

Accordingly, the technical problem of the present invention is that the condition, vibration and temperature required for the detection can be detected only by connecting the operating state detector to the high temperature device, and the heat of the high temperature device is transmitted to the vibration detecting means. An object of the present invention is to provide a device for detecting an operating state of a device for a high temperature which is difficult.

[0007]

Means for Solving the Problems The technical means of the present invention taken to solve the above technical problem is a vibration transmitting member which is attached directly to or near a high temperature device, a reading means and a vibration transmitting member. And an operating state detecting device for a high temperature device comprising an operating state detector having a temperature detecting means, wherein a heat radiating means having a different shape is formed on an outer periphery of the vibration transmitting member according to a condition necessary for detection, and along an outer periphery of the heat radiating means. An opening that is movable and houses the heat radiating means therein is formed in the operation state detector, and reading means for reading the shape of the heat radiating means when the heat radiating means is housed inside is attached to the operation state detector,
High-temperature equipment characterized in that vibration detection means connected to the vibration transmitting member from the high-temperature equipment via the heat radiating means is mounted inside the operation state detector, and the temperature detection means is mounted at the opening end of the operation state detector. Operating state detecting device.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An operating state detecting apparatus for a high-temperature device according to the present invention has a heat radiating means having a different shape formed on the outer periphery of a vibration transmitting member according to conditions required for detection, and comprises a reading means and a vibration and temperature detecting means. Since the shape of the heat radiating means is read by the reading means when the heat radiating means is housed inside the operating state detector having the operating state detector, detection can be performed simply by connecting the operating state detector to the vibration transmitting member attached to the high temperature device. Necessary conditions, vibration and temperature can be detected.

Further, the operating state detecting device for high-temperature equipment according to the present invention has a vibration detecting means attached to the vibration transmitting member from the high-temperature equipment via the heat radiating means inside the operating state detector. It becomes difficult for the heat of the high-temperature equipment to be transmitted to the vibration detecting means.

[0010]

An embodiment showing a specific example of the above technical means will be described (see FIG. 1). In this embodiment, an operation state detecting device is attached to a steam trap 20 as a high-temperature device.

The operating state detecting device is a steam trap 2
A vibration transmitting member 1 is screw-connected to the vibration transmitting member 1 and an operation state detector 2 is screw-connected to the vibration transmitting member 1. The vibration transmitting member 1 is made of stainless steel so as to easily transmit vibrations, has a contact portion 3 at the lower end that contacts the steam trap 20, and has an upper end to which the operating state detector 2 is connected. And a heat radiating section 6 having a large number of heat radiating fins 5 on the outer periphery between the contact section 3 and the connecting section 4. The radiating fins 5 serving as radiating means are shaped by changing the number and spacing of the fins, for example, according to conditions necessary for detecting the number of the steam trap 20, the code number corresponding to the operating principle, the specification pressure, and the like. It is formed differently.

The vibration transmitting member 1 has a male screw portion 7 below the contact portion 3, and the male screw portion 7 is screw-coupled to a screw hole of the steam trap 20 to thereby form the steam trap 2.
It is fixed to 0. The screw holes of the steam trap 20
It is one of bolt holes for fastening the main body 21 and the lid 22 with bolts, and the contact part 3 also serves as the bolt. The vibration transmitting member 1 has a female thread at the upper part of the connecting portion 4, and the operating state detector 2 is fixed by screwing the male thread 9 of the vibration detecting means 12 of the operating state detector 2 to the female thread. .

The casing of the operating state detector 2 includes an upper cylinder 11 on which the substrate unit 10 is mounted, a lower cylinder 13 on which vibration detecting means 12 using a piezoelectric element is mounted on the upper part, and an upper cylinder 11 on the upper end of the upper cylinder 11. It consists of an upper lid 14 attached. The upper cylinder 11 and the lower cylinder 13 are fixed with set screws 15. The lower cylinder 13 is formed of a heat insulating material, and has an opening 16 for accommodating the connecting portion 4 of the vibration transmitting member 1 and the heat radiating portion 6 below the vibration detecting means 12.

At the lower end of the lower cylinder 13, temperature detecting means 17 using a chromel-alumel thermocouple is attached with a stainless steel thin plate 18 interposed therebetween. Further, a reading means 19 using a microswitch is attached to the lower end of the lower cylinder 13 on the opposite side of the paper as shown by a dotted line. The reading means 19 emits a pulse corresponding to the shape of the radiation fin 5 when the vibration transmitting member 1 is accommodated in the lower cylinder 13.

The vibration detecting means 12, the temperature detecting means 17 and the reading means 19 are connected to the substrate unit 10 by conducting wires (not shown), respectively. The substrate unit 10 includes a reading unit 19
A circuit for identifying conditions necessary for detection from the pulse signal of
A circuit for amplifying the mechanical vibration converted into an electric signal by the vibration detecting means 12, a circuit for converting the amplified signal from analog to digital, a signal of an identification circuit and a converting circuit, and a temperature signal from the temperature detecting means 17 In order to determine the operation state. The judgment result is, for example, upper cylinder 1
1 is displayed on a display (not shown).

[0016]

The present invention has the following specific effects. As described above, the operating condition detecting apparatus for a high-temperature device according to the present invention has the necessary conditions for detection when the operating condition detector is connected to the vibration transmitting member. , The operating state can be easily detected.

Further, in the operating state detecting apparatus for a high-temperature device according to the present invention, since the heat of the high-temperature device is hardly transmitted to the vibration detecting means, the detection accuracy of vibration is improved.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an apparatus for detecting an operating state of a high-temperature device according to an embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Vibration transmission member 2 Operation state detector 5 Radiation fin 10 Substrate unit 12 Vibration detection means 16 Opening 17 Temperature detection means 19 Reading means

Claims (1)

[Claims] An operating state detecting device for a high-temperature device comprising a vibration transmitting member attached directly to or near a high-temperature device and an operating state detector having a reading unit and a vibration and temperature detecting unit. A heat radiating means having a different shape is formed on the outer periphery of the vibration transmitting member according to necessary conditions, an opening which is movable along the outer circumference of the heat radiating means and accommodates the heat radiating means is formed in the operation state detector, and the heat radiating means is formed inside Attach reading means for reading the shape of the heat radiating means when housed in the operating state detector, and attach vibration detecting means connected to the vibration transmitting member from the high temperature device via the heat radiating means inside the operating state detector, and operate An operating state detecting device for a high-temperature device, wherein a temperature detecting means is attached to an end of an opening of the state detector.