JP3822305B2 - Operating state detection device for high temperature equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an operating state of a high-temperature device that detects an 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 through by detecting vibration or temperature associated with the operation. The present invention relates to a detection device.
[0002]
Many production equipment such as valves and steam traps for various high temperatures are installed at production sites in factories and plants, and these equipment achieve the maximum production volume and the highest production quality with the least energy consumption. To maintain it, its operating condition is checked constantly or periodically.
[0003]
[Prior art]
A conventional operation state detection device is disclosed in Japanese Patent Laid-Open No. 1-210699. What is shown here is an apparatus for detecting the operating state of a steam trap, having a memory means for storing conditions necessary for detection, a vibration transmission member attached directly to or near the steam trap, and a memory After reading the conditions stored in the storage means with the reading means, the operating state detector is attached to the vibration transmission member to detect vibration and temperature. To do.
[0004]
[Problems to be solved by the invention]
In the conventional apparatus described above, the condition stored in the storage means must be read by the reading means, and then the operating state detector must be attached to the vibration transmission member. Therefore, particularly when detecting the operating states of many high-temperature devices. Had the problem of requiring labor and time.
[0005]
Further, the conventional device has a problem that the heat of the high-temperature device is easily transmitted to the vibration detecting means of the operating state detector, and the vibration detection accuracy is deteriorated.
[0006]
Therefore, the technical problem of the present invention is that it is possible to detect the conditions, vibration and temperature necessary for detection only by connecting the operating state detector to the high temperature equipment, and for the high temperature equipment where the heat of the high temperature equipment is not easily transmitted to the vibration detecting means. It is providing the operating state detection apparatus of an apparatus.
[0007]
[Means for Solving the Problems]
The technical means of the present invention taken in order to solve the above technical problem is an operating state detection having a vibration transmitting member attached directly to or near a high temperature apparatus, a reading means, and vibration and temperature detecting means. In a device for detecting the operating state of a high-temperature device consisting of a heat sink, heat dissipating means with different shapes are formed on the outer periphery of the vibration transmitting member according to the conditions required for detection, and the heat dissipating means can be moved along the outer periphery of the heat dissipating means. The operating state detector is provided with a reading means for reading the shape of the heat dissipating means when the heat dissipating means is accommodated in the operating state detector, and the heat dissipating means is provided from the high-temperature device inside the operating state detector. An operating state detecting device for a high temperature apparatus, characterized in that a vibration detecting means connected to a vibration transmitting member is attached and a temperature detecting means is attached to the opening tip of the operating state detector.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
The apparatus for detecting an operating state of a high-temperature device according to the present invention includes a heat radiating unit having a different shape depending on conditions necessary for detection on the outer periphery of a vibration transmitting member, and an internal state of an operating state detector having a reading unit and a vibration and temperature detecting unit. Since the reading means reads the shape of the heat radiating means when the heat radiating means is accommodated in the housing, the condition, vibration and temperature necessary for detection can be obtained simply by connecting the operating state detector to the vibration transmitting member attached to the high temperature equipment. Can be detected.
[0009]
Further, the operating state detecting device for high temperature equipment of the present invention is such that the vibration detecting means connected to the vibration transmitting member from the high temperature equipment through the heat radiating means is attached inside the operating state detector. It is difficult to transfer the heat to the vibration detecting means.
[0010]
【Example】
An embodiment showing a specific example of the above technical means will be described (see FIG. 1). In this embodiment, an operating state detection device is attached to a steam trap 20 as a high-temperature device.
[0011]
The operating state detection device includes a vibration transmission member 1 screwed to the steam trap 20 and an operation state detector 2 screwed to the vibration transmission member 1. The vibration transmission member 1 is made of stainless steel so that vibration can be easily transmitted, has a contact portion 3 that contacts the steam trap 20 at the lower end, and is connected to the operation state detector 2 at the upper end. It has a heat radiating part 6 having a plurality of heat radiating fins 5 on the outer periphery between the contact part 3 and the connecting part 4. The shape of the radiating fin 5 that constitutes the heat radiating means is changed by changing the number of fins and the interval, for example, depending on the conditions required for detecting the number of the steam trap 20, the operating principle, the code number according to the specified pressure, etc. Form differently.
[0012]
The vibration transmitting member 1 has a male screw portion 7 below the contact portion 3, and the male screw portion 7 is fixed to the steam trap 20 by screwing the male screw portion 7 into a screw hole of the steam trap 20. The screw hole of the steam trap 20 is one of bolt holes for fastening the main body 21 and the lid 22 with bolts, and the contact portion 3 also serves as this bolt. The vibration transmitting member 1 has a female screw part at the upper part of the connecting part 4, and the male screw part 9 of the vibration detecting means 12 of the working condition detector 2 is screwed to this female screw part to fix the working condition detector 2. .
[0013]
The operation state detector 2 is cased by the upper cylinder 11 with the substrate unit 10 attached, the lower cylinder 13 with the vibration detecting means 12 using a piezoelectric element attached at the top, and the upper lid attached to the upper end of the upper cylinder 11. 14 The upper cylinder 11 and the lower cylinder 13 are fixed with a set screw 15. The lower cylinder 13 is formed of a heat insulating material, and an opening 16 that accommodates the connecting portion 4 and the heat radiating portion 6 of the vibration transmitting member 1 is formed below the vibration detecting means 12.
[0014]
A temperature detecting means 17 using a chromel-alumel thermocouple is attached to the lower end of the lower cylinder 13 with a stainless steel thin plate 18 interposed therebetween. A reading means 19 using a micro switch is attached to the lower end of the lower cylinder 13 on the opposite side of the paper surface as indicated by a dotted line. The reading means 19 emits a pulse corresponding to the shape of the heat radiating fin 5 when the vibration transmitting member 1 is accommodated in the lower cylinder 13.
[0015]
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). The substrate unit 10 includes a circuit for identifying a condition necessary for detection from the pulse signal of the reading means 19, a circuit for amplifying the mechanical vibration converted into an electric signal by the vibration detecting means 12, and an analog signal of the amplified signal. A circuit for digital conversion, a determination circuit for determining the operating state by processing the signals of the identification circuit and the conversion circuit, and the temperature signal from the temperature detection means 17. The determination result is displayed by, for example, a display (not shown) provided on the upper cylinder 11.
[0016]
【The invention's effect】
As described above, the present invention provides an operation state detection device for a high temperature apparatus that reads the conditions necessary for detection when the operation state detector is connected to a vibration transmission member. The operating state can be detected.
[0017]
In addition, the high-temperature device operating state detection device according to the present invention improves the vibration detection accuracy because the heat of the high-temperature device is not easily transmitted to the vibration detection means.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of an operating state detection device for high-temperature equipment 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)

Shaped according to the conditions required for detection in an operating state detection device for high temperature equipment comprising a vibration transmitting member attached directly to or near the high temperature equipment and an operating state detector having a reading means and vibration and temperature detection means. When the heat dissipating means is formed on the outer periphery of the vibration transmitting member, the opening is formed in the operating state detector so that the heat dissipating means can be moved along the outer periphery of the heat dissipating means, and the heat dissipating means is accommodated inside. A reading means for reading the shape of the heat dissipating means is attached to the operating state detector, and a vibration detecting means connected to the vibration transmitting member from the high temperature device through the heat dissipating means is attached to the inside of the operating state detector. An apparatus for detecting an operating state of a high temperature apparatus, characterized in that a temperature detecting means is attached to the tip.

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