CN215811259U - Monitoring sensing plug and temperature measuring device thereof - Google Patents
Monitoring sensing plug and temperature measuring device thereof Download PDFInfo
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- CN215811259U CN215811259U CN202121212275.3U CN202121212275U CN215811259U CN 215811259 U CN215811259 U CN 215811259U CN 202121212275 U CN202121212275 U CN 202121212275U CN 215811259 U CN215811259 U CN 215811259U
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Abstract
The utility model discloses a monitoring sensing plug and a temperature measuring device thereof. The monitoring sensing plug comprises an insulating plug and a dielectric plug, the insulating plug is cylindrical, a first groove used for containing at least part of an object to be detected is formed in one end of the insulating plug, a second groove is formed in the other end, away from the first groove, of the insulating plug, and an accommodating cavity is formed between the second groove and the first groove; inert insulating gas is filled in the medium plug, the medium plug is positioned in the accommodating cavity, one end of the medium plug is abutted to the object to be detected, and the other end of the medium plug is exposed out of the insulating plug. When the temperature is measured, the temperature measurer only needs to measure the temperature of the part of the dielectric plug exposed out of the insulating plug, and the real-time temperature of the object to be measured can be obtained.
Description
Technical Field
The utility model relates to the technical field of infrared monitoring of inert insulated electrical equipment, in particular to a monitoring plug and a temperature measuring device thereof.
Background
The gas insulated metal enclosed switchgear has been more and more widely used in power systems because of its advantages of small floor space, reliable operation, long maintenance period, etc. However, when the contact of the conductor inside the GIS device is poor, the contact resistance increases, and thus the conductor is overheated when a load current flows. The overheating of the conductor can cause the insulation aging of the internal circuit or directly melt the internal circuit, thereby causing the short circuit of the internal circuit of the GIS equipment and forming a serious accident. Generally, the infrared radiation technology receives infrared radiation energy of an object through an infrared temperature sensor based on a relationship between the temperature of the object and surface radiation energy, and then calculates a temperature value of a target to be measured.
The insulating sensing plug generally conducts the heating temperature of the equipment to be detected, the application environment is complex and various, the required size is small, and the highly insulating sensing deviation is small. The temperature detection of various equipment is particularly emphasized in the monitoring of an electrical system, an insulated sensing plug is an important part of GIS equipment, and the short-circuit accident of the GIS equipment is caused because the insulated sensing plug is frequently degraded and the like. When the temperature of the cable is detected, the temperature sensor is attached to the outer surface of the cable head for temperature detection, but the temperature of the outer surface is influenced by the external temperature and cannot be accurately detected, so that a major accident of the operation of a power system is caused.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a monitoring sensing plug and a temperature measuring device thereof, and aims to solve the problem of inaccurate temperature measurement.
In order to achieve the above object, the present invention provides a monitoring and sensing plug comprising:
the device comprises an insulating plug, a first groove and a second groove, wherein one end of the insulating plug is provided with the first groove for at least containing part of an object to be tested, one end of the insulating plug, which is far away from the first groove, is provided with the second groove, and an accommodating cavity is arranged between the second groove and the first groove; and
the dielectric plug is filled with inert insulating gas and is positioned in the accommodating cavity, one end of the dielectric plug is abutted to the object to be tested, the other end of the dielectric plug is exposed out of the insulating plug, and the insulating plug is cylindrical.
In one embodiment of the utility model, the media plug comprises:
the body part is arranged in the accommodating cavity, and the outer peripheral wall of the body part is tightly attached to the cavity wall of the accommodating cavity; the body part is provided with a medium cavity, and the inert insulating gas is filled in the medium cavity; and
the two heat conduction parts are respectively arranged at two ends of the body part, one heat conduction part is abutted to the object to be tested, and the other heat conduction part is exposed out of the insulating plug.
In an embodiment of the utility model, the body portion is made of glass, and the heat conducting portion is made of metal.
In one embodiment of the present invention, the inert insulating gas comprises sulfur hexafluoride gas.
In an embodiment of the utility model, the second groove is a rectangular groove.
In an embodiment of the present invention, the insulating plug further includes:
one end of the epoxy piece is provided with a third groove, and the second groove is formed in the end, away from the third groove, of the epoxy piece; the accommodating cavity penetrates through the epoxy piece and is communicated with the second groove and the third groove; and
the metal insert is arranged in the third groove, the first groove is arranged in the metal insert, and the first groove and the accommodating cavity are coaxially arranged.
In an embodiment of the present invention, a cross-sectional diameter of the insulating plug gradually increases from an end adjacent to the third groove toward an end of the second groove.
In an embodiment of the utility model, the first groove is a circular groove.
The utility model also provides a temperature measuring device, which comprises:
the monitoring sensing plug of the above embodiment; and
and the infrared temperature detector is arranged corresponding to the second groove of the insulating plug and is used for detecting the medium plug.
According to the technical scheme, the accommodating cavity is formed in the insulating plug, one end of the accommodating cavity is communicated with the first groove, the other end of the accommodating cavity is communicated with the second groove, namely the first groove, the accommodating cavity and the second groove are communicated with the insulating plug, so that when the medium plug is arranged in the accommodating cavity, one end of the medium plug can be abutted against an object to be tested, the other end of the medium plug is exposed in the second groove, and the other end of the medium plug, which is far away from the object to be tested, is exposed in the insulating plug. The second groove can be used for positioning temperature measurement operation, and the temperature measurement speed and accuracy are improved. When the temperature is measured, the temperature measurer can measure the temperature of the part of the dielectric plug exposed out of the insulating plug only by aligning to the second groove, so that the real-time temperature of the object to be measured can be obtained.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of a monitoring and sensing plug according to the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of a monitor sensor plug according to the present invention;
fig. 3 is a schematic view from another angle of fig. 2.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Insulating plug | 1a | The first groove |
| 1b | |
1c | Containing cavity |
| 11 | |
12 | |
| 2 | |
21 | |
| 22 | Heat conducting part |
The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a monitoring sensing plug.
In the embodiment of the present invention, as shown in fig. 1, the monitoring and sensing plug includes an insulating plug 1 and a dielectric plug 2, the insulating plug 1 is cylindrical, one end of the insulating plug 1 is provided with a first groove 1a for accommodating at least a part of an object to be measured, one end of the insulating plug 1, which is away from the first groove 1a, is provided with a second groove 1b, and an accommodating cavity 1c is arranged between the second groove 1b and the first groove 1 a; the medium plug 2 is filled with inert insulating gas, the medium plug 2 is located in the accommodating cavity 1c, one end of the medium plug 2 is used for abutting against the object to be tested, and the other end of the medium plug 2 is exposed out of the insulating plug 1.
In this embodiment, insulating plug 1 is inside to be seted up holding chamber 1c, and the one end and the first recess 1a intercommunication of holding chamber 1c, the other end and the second recess 1b intercommunication of holding chamber 1c, also first recess 1a, holding chamber 1c and second recess 1b link up insulating plug 1, when can guaranteeing to set up medium stopper 2 with in the holding chamber 1c, 2 one end of medium stopper can with the determinand butt, the other end exposes in second recess 1b, also makes the one end that medium stopper 2 deviates from the determinand expose in insulating plug 1. The arrangement of the second groove 1b can play a role in positioning temperature measurement operation, and the temperature measurement speed and accuracy are improved. When the temperature is measured, the temperature measurer can measure the temperature of the part of the dielectric plug 2 exposed out of the insulating plug 1 only by aligning with the second groove 1b, and the real-time temperature of the object to be measured can be obtained. Meanwhile, the second groove can be used for conveniently monitoring the fastening operation during the installation of the sensing plug, the material is saved, and the cost is reduced. Optionally, as shown in fig. 3, the second groove 1b is a rectangular groove, which facilitates monitoring of positioning and fastening operations during installation of the sensing plug, and improves installation efficiency.
In this embodiment, the dielectric plug 2 functions as an intermediate medium, connects the inside and the outside of the monitoring sensing plug, and achieves the purpose of measuring the temperature inside the outside. Inert insulating gas is filled in the dielectric plug 2, so that the insulating property of the monitoring sensing plug can be guaranteed.
This embodiment can be used to the interface of sealed T type plug, has coupling assembling in the T type plug, and the cell wall of first recess 1a is equipped with the internal thread, after monitoring sensing plug fills in the interface, first recess 1a and coupling assembling threaded connection will coupling assembling isolation shielding has guaranteed good sealed insulating effect. In an embodiment, as shown in fig. 2, the first groove 1a is a circular groove, and the first groove 1a is circular and can be adapted to a connection assembly at an external socket.
In an embodiment of the present invention, as shown in fig. 1, the dielectric plug 2 includes a main body 21 and at least two heat conducting portions 22, the main body 21 is disposed in the accommodating cavity 1c, and an outer peripheral wall of the main body 21 is tightly attached to a cavity wall of the accommodating cavity 1 c; the body part 21 is provided with a medium cavity, and inert insulating gas is filled in the medium cavity; in the present embodiment, the number of the heat conduction portions 22 is two. The two heat conducting portions 22 are respectively disposed at two ends of the main body portion 21, one heat conducting portion 22 is used for abutting against the object to be tested, and the other heat conducting portion 22 is exposed from the insulating plug 1.
In other embodiments, the number of the heat conduction portions 22 may also be three, four, etc., which is not limited herein and may be set according to actual needs. Alternatively, in an embodiment, one end of the main body 21 is provided with two heat conduction portions 22 arranged side by side, and the other end is also provided with two heat conduction portions 22 arranged side by side.
It can be understood that the dielectric chamber is provided to facilitate the injection and storage of an inert insulating gas to ensure monitoring of the insulating properties of the sensing plug. The heat conducting part 22 can seal the medium cavity on one hand, and has good heat conducting performance on the other hand, so that the influence on temperature measurement can be reduced, and the temperature measurement accuracy is improved. During temperature measurement, the temperature measurer only needs to measure the temperature of the heat conducting part 22 exposed out of the insulating plug 1, and the real-time temperature of the object to be measured can be obtained.
In an embodiment of the present invention, the heat conducting portion 22 is detachably connected to the main body portion 21, the heat conducting portion 22 includes a limiting portion and an insertion portion, the limiting portion is in a disc shape, the insertion portion is in a cylindrical shape and is convexly disposed on the limiting portion, an annular groove is disposed on a peripheral side of the insertion portion, a sealing ring is disposed in the annular groove, the insertion portion is inserted into the medium cavity, the limiting portion abuts against an end portion of the main body portion 21, and the insertion portion is hermetically connected to the medium cavity through the sealing ring. In this embodiment, the seal ring is made of rubber.
In an embodiment of the present invention, a sealing element is disposed on an outer periphery of the main body 21, the sealing element is annular, an inner wall of the sealing element is tightly attached to the main body 21, and an outer wall of the sealing element is tightly attached to a cavity wall of the accommodating cavity 1 c. The material of sealing member is insulating material, and in this embodiment, the sealing member adopts the rubber material.
In an embodiment of the present invention, the main body 21 is made of glass, preferably a chalcogenide glass tube with enhanced infrared transmittance, which does not generate interference and has high safety. In one embodiment, the inert insulating gas comprises sulfur hexafluoride gas. Sulfur hexafluoride is a colorless and tasteless inert gas, which has strong absorption in the infrared band of about 10.6um in the spectral imaging method, and can be detected by an infrared detector. The body part 21 loaded with the sulfur hexafluoride is used as an insulating medium, the integral insulating plug has high insulating strength and stable operation, and the shape of the plug is beneficial to various working environments.
The heat conducting part 22 is made of metal, which can ensure heat conducting performance and improve temperature measuring accuracy, and the material of the heat conducting part 22 includes high-heat-conductivity metal such as aluminum, copper, etc., or other metal materials, which is not limited herein.
In an embodiment of the present invention, the insulating plug 1 further includes an epoxy member 11 and a metal insert 12, one end of the epoxy member 11 is provided with a third groove, and the second groove 1b is provided at one end of the epoxy member 11 away from the third groove; the accommodating cavity 1c is arranged on the epoxy piece 11, and two ends of the accommodating cavity 1c are respectively communicated with the second groove 1b and the third groove; the metal insert 12 is arranged in the third groove, the first groove 1a is arranged in the metal insert 12, and the first groove 1a and the accommodating cavity 1c are coaxially arranged
In this embodiment, the accommodating cavity 1c penetrates through the metal insert 12, so that the accommodating cavity 1c is communicated with the first groove. In this embodiment, the epoxy member 11 is made of an epoxy resin material, and the monitoring sensor plug is molded by using the epoxy resin material, so that the monitoring sensor plug and the socket of the T-shaped plug are in interference fit by using the insulating and corrosion-resistant properties of the epoxy resin material on the basis of ensuring good electrical performance, and the sealing and electrical performance are further ensured. The metal insert 12 has sufficient strength to ensure the connection strength with the external connection component, and the metal insert 12 has good heat conductivity.
In an embodiment of the present invention, as shown in fig. 1, 2 and 3, the cross-sectional diameter of the epoxy member 11 gradually increases from the end adjacent to the third groove to the end facing the second groove 1b, which can ensure the sealing performance of the monitoring sensing plug.
The utility model further provides a temperature measuring device, which comprises a monitoring sensing plug and an infrared temperature detector, the specific structure of the monitoring sensing plug refers to the embodiments, and the temperature measuring device adopts all technical schemes of all the embodiments, so that the temperature measuring device at least has all beneficial effects brought by the technical schemes of the embodiments, and further description is omitted. The infrared temperature detector is arranged corresponding to the second groove 1b of the insulating plug 1 of the monitoring sensing plug and is used for detecting the dielectric plug 2. The infrared temperature measurement can realize the air-insulated temperature measurement, and the operation is simple and convenient. The infrared temperature measuring principle is that the infrared ray emitted by the object has radiation energy which is converted into an electric signal, the magnitude of the infrared radiation energy corresponds to the temperature of the object, and the temperature of the object can be determined according to the magnitude of the converted electric signal. The internal temperature of the monitoring sensing plug can be accurately measured by aligning the infrared temperature detector with the bottom of the second groove 1b, and the influence of the external temperature can be avoided.
In the related technology, for detecting temperature data in real time, a mode of arranging a wireless temperature measuring device inside a monitoring sensing plug is also adopted, but the wireless temperature measuring device is always embedded inside the monitoring sensing plug, and once the wireless temperature measuring device has a problem or is inaccurate in detection, the wireless temperature measuring device cannot be detected and maintained.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A monitoring and sensing plug, comprising:
the device comprises an insulating plug (1), wherein one end of the insulating plug (1) is provided with a first groove (1a) for accommodating at least part of an object to be tested, one end of the insulating plug (1) departing from the first groove (1a) is provided with a second groove (1b), and an accommodating cavity (1c) is arranged between the second groove (1b) and the first groove (1 a); and
the dielectric plug (2) is filled with inert insulating gas, the dielectric plug (2) is located in the accommodating cavity (1c), one end of the dielectric plug (2) is abutted to the object to be tested, and the other end of the dielectric plug (2) is exposed out of the insulating plug (1).
2. The monitoring sensing plug of claim 1, wherein the dielectric plug (2) comprises:
the body part (21) is arranged in the accommodating cavity (1c), and the outer peripheral wall of the body part (21) is tightly attached to the cavity wall of the accommodating cavity (1 c); the body part (21) is provided with a medium cavity, and the inert insulating gas is filled in the medium cavity; and
the heat conduction parts (22) are respectively arranged at two ends of the body part (21), one heat conduction part (22) is abutted to the object to be tested, the other heat conduction part (22) is exposed out of the insulating plug (1), and the insulating plug (1) is cylindrical.
3. The monitoring and sensing plug of claim 2, wherein the body portion (21) is made of glass and the heat conducting portion (22) is made of metal.
4. The monitor sensor plug of claim 1, wherein the inert insulating gas comprises sulfur hexafluoride gas.
5. The monitoring and sensing plug according to claim 1, wherein the second recess (1b) is a rectangular recess.
6. The monitoring and sensing plug according to any of claims 1 to 5, wherein the insulating plug (1) further comprises:
the epoxy piece (11), one end of the epoxy piece (11) is provided with a third groove, and the second groove (1b) is arranged at one end of the epoxy piece, which is far away from the third groove; the accommodating cavity (1c) is arranged on the epoxy piece (11), and two ends of the accommodating cavity are respectively communicated with the second groove (1b) and the third groove; and
the metal insert (12), the metal insert (12) is located in the third groove, the first groove (1a) is located the metal insert (12), and the first groove and the accommodating cavity (1c) are coaxially arranged.
7. The monitoring and sensing plug according to claim 6, wherein the cross-sectional diameter of the insulating plug (1) gradually increases from an end adjacent to the third recess to an end toward the second recess.
8. The monitoring and sensing plug according to claim 6, wherein the first recess (1a) is a circular recess.
9. A temperature measuring device, characterized in that the temperature measuring device comprises:
the monitoring sensing plug of any one of claims 1 to 8; and
and the infrared temperature detector is arranged corresponding to the second groove (1b) of the insulating plug (1), and is used for detecting the medium plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121212275.3U CN215811259U (en) | 2021-06-01 | 2021-06-01 | Monitoring sensing plug and temperature measuring device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121212275.3U CN215811259U (en) | 2021-06-01 | 2021-06-01 | Monitoring sensing plug and temperature measuring device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215811259U true CN215811259U (en) | 2022-02-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121212275.3U Active CN215811259U (en) | 2021-06-01 | 2021-06-01 | Monitoring sensing plug and temperature measuring device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215811259U (en) |
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2021
- 2021-06-01 CN CN202121212275.3U patent/CN215811259U/en active Active
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