Dry terminal and temperature measurement system

Abstract

The present invention discloses a dry-type terminal and a temperature measurement system. The dry-type terminal includes an insulating assembly, a first connecting assembly, and a second connecting assembly. The insulating assembly includes a barrel and an insulating member, the insulating member covering at least a portion of the barrel. The insulating member cooperates with the barrel to form a mounting hole for passing the cable through and tightly fitting the surface of the cable. The first connecting assembly is connected to one end of the barrel, and the second connecting assembly is connected to the other end of the barrel. The dry-type terminal of the present invention improves its structural strength and operational stability.

Description

Technical Field

[0001] The present invention relates to the technical field of cable accessories, in particular to a dry-type terminal and a temperature measurement system using the dry-type terminal. Background Art

[0002] With the development of urban construction, the application of power cables is becoming increasingly widespread. Oil-filled terminals or integral prefabricated terminals are often required in power supply networks to improve the safety of connections between power cables and other equipment. The sealing area of ​​oil-filled terminals is subject to high oil surface pressure. If the seal is not properly handled or the rubber seal ring ages, oil leakage may occur at the sealing area, seriously affecting operational safety. Furthermore, prolonged immersion of prefabricated rubber parts in insulating oil may cause the rubber prefabricated parts to swell, leading to terminal failure. Furthermore, integral prefabricated terminals have poor installation fixation and are at risk of dislocation and wind swaying after long-term operation. Furthermore, since the terminal cannot be independently supported, it is inconvenient for operation and maintenance personnel to inspect and maintain it. Summary of the Invention

[0003] The main purpose of the present invention is to provide a dry terminal, aiming to improve the structural strength of the dry terminal and improve the working stability.

[0004] To achieve the above object, the dry terminal proposed by the present invention includes:

[0005] An insulating assembly, the insulating assembly comprising a barrel and an insulating member, the insulating member covering at least a portion of the barrel, the insulating member cooperating with the barrel to form a mounting through-hole, the mounting through-hole being used for passing a cable, the inner wall surface of the mounting through-hole being in close contact with the surface of the cable;

[0006] a first connecting assembly connected to one end of the cylinder; and

[0007] A second connecting assembly is connected to the other end of the cylinder.

[0008] In one embodiment of the present invention, the insulating member is provided with the mounting through hole and a cavity, and the cavity is provided around the mounting through hole;

[0009] The cylinder is arranged in the cavity, both ends of the cylinder are exposed to the insulating member, and the insulating member and the cylinder are arranged in one piece.

[0010] In one embodiment of the present invention, the cylinder is provided with a plurality of avoidance holes, and the plurality of avoidance holes are arranged at intervals on the circumference of the cylinder;

[0011] The insulating member fills each of the avoidance holes.

[0012] In one embodiment of the present invention, the plurality of avoidance holes are extended along the length direction of the cylinder, and the extension direction of each avoidance hole is consistent with the axial direction of the cylinder.

[0013] In one embodiment of the present invention, the dry terminal includes a stress cone, which is at least partially embedded in the insulating member and is provided with a positioning hole corresponding to the mounting through hole, and the positioning hole is used to fit tightly with the outer surface of the cable.

[0014] In one embodiment of the present invention, the cylinder is made of epoxy fiberglass;

[0015] And / or, the diameter of the cylinder gradually decreases from one end to the other end;

[0016] And / or, the insulating member is covered on the outer surface of the cylinder, and an umbrella skirt is formed on the outer surface of the insulating member away from the cylinder.

[0017] In one embodiment of the present invention, the second connecting component includes:

[0018] a lower flange connected to the cylinder, the lower flange being provided with a first through hole communicating with the mounting through hole; and

[0019] The mounting seat is connected to the lower flange, and the mounting seat is provided with a receiving cavity connected to the first through hole and a second through hole, the second through hole is connected to the receiving cavity, and the second through hole and the first through hole are arranged in the same straight line.

[0020] In one embodiment of the present invention, the lower flange is further provided with a plurality of first mounting holes arranged around the first through hole;

[0021] The mounting base comprises:

[0022] A mounting base plate, the mounting base plate being provided with a relief opening and a plurality of arc-shaped openings arranged around the relief opening, wherein one arc-shaped opening is arranged corresponding to one first mounting hole; and

[0023] A tail pipe, wherein the tail pipe is provided with the second through hole, the circumference of the tail pipe extends to form a mounting platform surrounding the second through hole, the mounting platform is provided with a second mounting hole, and each second mounting hole is provided corresponding to each arc-shaped opening, and the tail pipe is used to connect to the aluminum sheath;

[0024] A fixing member is provided through the first mounting hole, the arc-shaped opening and the second mounting hole to fix the tail pipe, the mounting base plate and the lower flange in connection. The tail pipe and the mounting base plate enclose the accommodating cavity.

[0025] In one embodiment of the present invention, the first connecting assembly includes an upper flange provided at one end of the cylinder, the upper flange being provided with a third through hole communicating with the mounting through hole;

[0026] The dry terminal further includes a temperature measuring component, which is located at the third through hole and is used to connect to the core of the cable and obtain the temperature of the core.

[0027] The present invention also proposes a temperature measurement system, comprising a signal repeater, a data collector and the dry terminal, wherein the signal repeater, the data collector and the temperature measurement components of the dry terminal are wirelessly connected.

[0028] The technical solution of the present invention comprises an insulating assembly comprising a cylindrical body and an insulating member. The cylindrical body has a certain strength and is used to support the insulating member to maintain the shape of the insulating assembly. Furthermore, a first connecting assembly and a second connecting assembly are respectively connected to the ends of the cylindrical body. The cable passes through the mounting holes in the insulating member and the middle of the cylindrical body. The second connecting assembly and / or the first connecting assembly are sleeved over the cable, so that the surface of the cable and the inner wall of the mounting hole are tightly fitted. This allows the dry-type terminal to be installed on the cable and prevents the dry-type terminal from loosening from the cable. The dry-type terminal of the present invention improves its structural strength and operational stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0030] Figure 1 This is a structural diagram of an embodiment of a dry terminal of the present invention;

[0031] Figure 2 for Figure 1 A partial enlarged view of point A in the middle;

[0032] Figure 3 for Figure 1 A partial enlarged view of point B in the middle;

[0033] Figure 4 It is a structural schematic diagram of the cylinder of the present invention;

[0034] Figure 5 This is a schematic diagram of the structure of the installation base plate of the present invention;

[0035] Figure 6 Schematic diagram of the structure of a temperature measurement system according to an embodiment of the present invention.

[0036] Description of Figure Numbers:

[0037] Label name Label name 1 Insulation components 322 Second through hole 11 Cylinder 323 Installing the base plate 111 Avoidance hole 3231 Mounting holes 12 Insulation 324 Avoidance 121 Umbrella skirt 325 Arc mouth 13 Mounting through-holes 327 tail pipe 14 cavity 328 Mounting table 2 First connection component 329 Second mounting hole 21 Upper flange 4 stress cone 22 The third through hole 41 Positioning hole 3 Second connection component 5 Temperature measurement components 31 Lower flange 6 cable 311 First through hole 7 Signal Repeater 312 First mounting hole 8 Data Collector 32 Mounting Block 9 Aluminum sheath 321 Accommodation cavity

[0038] The implementation, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0039] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0040] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0041] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing in the full text is to include three parallel solutions. Taking "A and / or B as an example", it includes solution A, or solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0042] The present invention provides a dry terminal. Figure 1 , is a structural diagram of an embodiment of the dry terminal of the present invention; Figure 2 ,for Figure 1 A partial enlarged view of the middle A; reference Figure 3 ,for Figure 1 A partial enlarged view of point B in the middle; reference Figure 4 , is a schematic structural diagram of the cylinder of the present invention; Figure 5 , is a schematic diagram of the structure of the base plate of the present invention; Figure 6 , is a structural diagram of an embodiment of a temperature measurement system of the present invention.

[0043] In the embodiment of the present invention, Figure 1 As shown, the dry-type terminal comprises an insulating assembly 1, a first connecting assembly 2, and a second connecting assembly 3. The insulating assembly 1 comprises a barrel 11 and an insulating member 12. The insulating member 12 covers at least a portion of the barrel 11. The insulating member 12 and the barrel 11 cooperate to form a mounting hole 13 for passing the cable 6. The inner wall of the mounting hole 13 closely aligns with the surface of the cable 6. The first connecting assembly 2 is connected to one end of the barrel 11, and the second connecting assembly 3 is connected to the other end of the barrel 11. Specifically, the first connecting assembly 2 and / or the second connecting assembly 3 are sleeved around the outer periphery of the cable 6.

[0044] In this embodiment, the insulating assembly 1 is configured as a cylindrical body 11 and an insulating member 12. The cylindrical body 11 has a certain strength and is used to support the insulating member 12 to maintain the shape of the insulating assembly 1. Furthermore, the first connecting assembly 2 and the second connecting assembly 3 are respectively connected to the ends of the cylindrical body 11. The cable 6 passes through the insulating member 12 and the mounting hole 13 in the middle of the cylindrical body 11. The second connecting assembly 3 and / or the first connecting assembly 2 are sleeved on the cable 6, so that the surface of the cable 6 is tightly fitted with the inner wall surface of the mounting hole 13, thereby enabling the dry-type terminal to be installed on the cable 6 and preventing the dry-type terminal from loosening from the cable 6. The dry-type terminal of the present invention improves the structural strength of the dry-type terminal and enhances its operational stability.

[0045] In an optional embodiment of the present invention, the diameter of the mounting through hole 13 is smaller than or equal to the diameter of the cable 6 .

[0046] In an optional embodiment of the present invention, the cylinder 11 and the insulating member 12 are both made of insulating materials.

[0047] In an optional embodiment of the present invention, the insulating member 12 is made of silicone.

[0048] In an optional embodiment of the present invention, the insulating member 12 and the barrel 11 are integrally injection molded.

[0049] In an optional embodiment of the present invention, the insulating member 12 cooperates with the cylindrical body 11 to form a mounting through hole 13. It can be understood that the insulating member 12 covers the portion of the cylindrical body 11 so that both ends of the cylindrical body 11 are exposed from the insulating member 12. The two ends of the cylindrical body 11 are respectively connected to the second connecting component 3 and the first connecting component 2. The following embodiments are provided:

[0050] In the first embodiment, the insulating member 12 is coated on the outer surface of the cylindrical body 11. The inner surface of the cylindrical body 11 is formed with a mounting through hole 13.

[0051] In the second embodiment, the insulating member 12 is coated on the inner surface of the cylinder 11. A mounting through hole 13 is formed in the middle of the insulating member 12.

[0052] In the third embodiment, the insulating member 12 covers the inner and outer surfaces of the cylindrical body 11. A mounting through hole 13 is formed in the middle of the insulating member 12.

[0053] In one embodiment of the present invention, the insulating member 12 is provided with a mounting hole 13 and a cavity 14, with the cavity 14 surrounding the mounting hole 13. The cylindrical body 11 is accommodated within the cavity 14, with both ends of the cylindrical body 11 exposed to the insulating member 12. The insulating member 12 and the cylindrical body 11 are integrally provided. It is understood that the cylindrical body 11 is accommodated in the cavity 14 so that the cylindrical body 11 surrounds the mounting hole 13, thereby supporting the insulating member 12 via the cylindrical body 11 and reducing deformation of the insulating member 12.

[0054] In this embodiment, the cable 6 can pass through the mounting hole 13 in the middle of the insulating part 12, and the outer surface of the cable 6 squeezes the inner wall surface of the mounting hole 13. The insulating part 12 is squeezed by the cable 6, so that the outer surface of the cable 6 fits tightly with the inner wall surface of the mounting hole 13.

[0055] In one embodiment of the present invention, the cylinder 11 is provided with a plurality of avoidance holes 111 , which are spaced apart on the circumference of the cylinder 11 ; and the insulating member 12 fills each avoidance hole 111 .

[0056] In this embodiment, a plurality of avoidance holes 111 are provided on the side wall of the cylinder 11. When the cable 6 is inserted into the mounting hole 13, the cable 6 squeezes the inner wall surface of the mounting hole 13, causing the insulating part 12 at the position corresponding to the avoidance hole 111 to be partially deformed, making it easier to insert the cable 6 into the mounting hole 13 and avoiding damage to the cylinder 11 caused by deformation of the insulating part 12.

[0057] In an optional embodiment of the present invention, a plurality of avoidance holes 111 may be spirally disposed on the side wall of the cylinder 11 .

[0058] In one embodiment of the present invention, a plurality of avoidance holes 111 are extended along the length direction of the cylinder 11 , and the extension direction of each avoidance hole 111 is consistent with the axial direction of the cylinder 11 .

[0059] In this embodiment, the extension direction of each avoidance hole 111 is aligned with the axial direction of the cylinder 11. This can be understood as follows: the cylinder 11 comprises an upper portion, a lower portion, and multiple connecting ribs, the upper and lower portions being connected by the multiple connecting ribs. Adjacent connecting ribs are spaced apart to form the avoidance hole 111. The upper portion, lower portion, and multiple connecting ribs enclose a hollow cylindrical structure. Thus, the multiple connecting ribs are arranged along the upper-to-lower direction and can support the upper and lower portions. The upper portion is connected to the first connecting assembly 2, and the lower portion is connected to the second connecting assembly 3, thereby improving the structural stability of the dry terminal.

[0060] In one embodiment of the present invention, the dry terminal includes a stress cone 4 , at least a portion of which is embedded in the insulating member 12 , and a positioning hole 41 is provided corresponding to the mounting through hole 13 , and the positioning hole 41 is used to fit tightly with the outer surface of the cable 6 .

[0061] In one embodiment of the present invention, the positioning hole 41 of the stress cone 4 gradually increases in size from the second connecting component 3 toward the first connecting component 2 .

[0062] In one embodiment of the present invention, the stress cone 4 is disposed at an end of the insulating member 12 adjacent to the second connecting element 3 .

[0063] In one embodiment of the present invention, the cylinder 11 is made of epoxy fiberglass reinforced plastic.

[0064] In one embodiment of the present invention, the diameter of the cylinder 11 gradually decreases from one end to the other. Specifically, the two ends of the cylinder 11 are connected to the second connecting assembly 3 and the first connecting assembly 2, respectively, and the diameter of the end of the cylinder 11 connected to the second connecting assembly 3 is larger than the diameter of the end of the cylinder 11 connected to the first connecting assembly 2.

[0065] In one embodiment of the present invention, the insulating member 12 is covered on the outer surface of the cylindrical body 11 , and an shed 121 is formed on the outer surface of the insulating member 12 facing away from the cylindrical body 11 .

[0066] In one embodiment of the present invention, the second connecting component 3 includes a lower flange 31 and a mounting seat 32; the lower flange 31 is connected to the cylinder 11, and the lower flange 31 is provided with a first through hole 311 connected to the mounting through hole 13; the mounting seat 32 is connected to the lower flange 31, and the mounting seat 32 is provided with a accommodating cavity 321 and a second through hole 322 connected to the first through hole 311, the second through hole 322 is connected to the accommodating cavity 321, and the second through hole 322 and the first through hole 311 are arranged in the same straight line.

[0067] In this embodiment, one end of the barrel 11 partially extends into the first communication hole of the lower flange 31 and fits tightly against the inner wall of the first communication hole, thereby connecting the barrel 11 to the lower flange 31. Furthermore, the lower flange 31 is connected to a mounting base 32, which facilitates mounting the dry terminal to a predetermined structure. The mounting base 32 is provided with an assembly hole 3231 through which bolts or screws pass to connect to the predetermined structure; the predetermined structure may be a mounting bracket or other equipment.

[0068] In one embodiment of the present invention, the lower flange 31 is further provided with a plurality of first mounting holes 312 arranged around the first through-hole 311. The mounting base 32 includes a mounting base 323 and a tail pipe 327. The mounting base 323 is provided with an escape opening 324 and a plurality of arcuate openings 325 arranged around the escape opening 324, with each arcuate opening 325 corresponding to each first mounting hole 312. The tail pipe 327 is provided with a second through-hole 322. The circumference of the tail pipe 327 extends to form a mounting platform 328 surrounding the second through-hole 322. The mounting platform 328 is provided with a second mounting hole 329, with each second mounting hole 329 corresponding to each arcuate opening 325. The tail pipe 327 is used to connect to the aluminum sheath 9. The aluminum sheath 9 is sleeved onto the cable 6, and at least a portion of the aluminum sheath 9 overlaps with the tail pipe 327.

[0069] In this embodiment, the lower flange 31, mounting base 323, and tail pipe 327 are stacked in sequence and connected by multiple fixings. A fixing is inserted through a first mounting hole 312, an arcuate opening 325, and a second mounting hole 329 to securely connect the tail pipe 327, mounting base 323, and lower flange 31. The tail pipe 327 and mounting base 323 together form a receiving cavity 321. This allows adjustment of the relative positions of the tail pipe 327, mounting base 323, and lower flange 31 by partially loosening the fixings and rotating the mounting base 323, thereby increasing flexibility in installing the dry-type terminal.

[0070] In one embodiment of the present invention, a plurality of assembly holes 3231 are provided on the mounting base 323 . The plurality of assembly holes 3231 are located at outer edges of the plurality of arc-shaped openings 325 and at the edge of the mounting base 323 .

[0071] In one embodiment of the present invention, the fixing member is a screw or a bolt.

[0072] In one embodiment of the present invention, the diameter of the tail pipe 327 gradually decreases from the end close to the mounting base 323 to the end away from the mounting base 323 , and a second through hole 322 is formed at the end away from the mounting base 323 .

[0073] In one embodiment of the present invention, an aluminum sheath 9 is provided near the tail tube 327 of the cable 6 , and the aluminum sheath 9 is connected to the tail tube 327 .

[0074] In one embodiment of the present invention, the first connecting assembly 2 includes an upper flange 21 provided at one end of the cylinder 11, and the upper flange 21 is provided with a third through hole 22 communicating with the mounting through hole 13;

[0075] The dry terminal further includes a temperature measuring component 5 , which is located at the third through hole 22 . The temperature measuring component 5 is used to connect to the core of the cable 6 and obtain the temperature of the core.

[0076] In the application of this embodiment, one end of the cable 6 extends from the second connecting component 3 into the mounting hole 13 of the insulating member 12 and extends from the first connecting component 2. The core portion of the end of the cable 6 extending from the first connecting component 2 is exposed, so that the temperature measuring component 5 can be connected to the core to obtain the temperature of the core.

[0077] In one embodiment of the present invention, the wire core is located at the third through hole 22 and is spaced apart from the upper flange 21 .

[0078] In one embodiment of the present invention, the temperature measuring component 5 is sleeved on the wire core, and the temperature measuring component 5 may include an electromagnetic conversion circuit, which is used to sense the magnetic field of the battery core and then convert it into power for use by the temperature measuring component 5.

[0079] In one embodiment of the present invention, the upper flange 21 is circumferentially extended to form a boss, which is provided with a through hole. Screws or bolts pass through the through hole to connect with the mounting bracket or other equipment to achieve positioning of the upper flange 21.

[0080] The present invention also provides a temperature measurement system comprising a signal repeater 7, a data collector 8, and a dry terminal. The specific structure of the dry terminal is similar to that of the aforementioned embodiments. Since the present temperature measurement system utilizes all the technical solutions of all the aforementioned embodiments, it possesses at least all the beneficial effects of the technical solutions of the aforementioned embodiments, and therefore will not be further detailed here. The signal repeater 7, data collector 8, and temperature measurement component 5 of the dry terminal are wirelessly connected.

[0081] Among them, the setting position of the signal repeater 7 is adjacent to the dry terminal, and the setting position of the data collector 8 is far away from the dry terminal relative to the signal repeater 7. The signal repeater 7 is used to amplify the wireless signal emitted by the temperature measuring component 5, so that the data collector 8 can collect the wireless signal amplified by the signal repeater 7 and obtain the temperature of the wire core sensed by the temperature measuring component 5.

[0082] The above descriptions are merely optional embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made based on the contents of the present invention's description and drawings, or direct / indirect applications in other related technical fields, are included in the patent protection scope of the present invention.

Claims

1. A dry terminal, characterized in that: The dry terminal comprises: An insulating assembly, the insulating assembly comprising a barrel and an insulating member, the insulating member covering at least a portion of the barrel, the insulating member cooperating with the barrel to form a mounting through-hole, the mounting through-hole being used for passing a cable, the inner wall surface of the mounting through-hole being in close contact with the surface of the cable, the barrel being provided with a plurality of avoidance holes, the plurality of avoidance holes being spaced apart on the circumference of the barrel, the insulating member filling each of the avoidance holes; a first connecting assembly connected to one end of the cylinder; and A second connecting assembly is connected to the other end of the cylinder.

2. The dry terminal according to claim 1, wherein: The insulating member is provided with the mounting through hole and a cavity, and the cavity is provided around the mounting through hole; The cylinder is arranged in the cavity, both ends of the cylinder are exposed to the insulating member, and the insulating member and the cylinder are arranged in one piece.

3. The dry terminal according to claim 1, wherein: The plurality of avoidance holes are extended along the length direction of the cylinder, and the extension direction of each avoidance hole is consistent with the axial direction of the cylinder.

4. The dry terminal according to claim 2, wherein: The dry-type terminal includes a stress cone, at least a portion of which is embedded in the insulating member, and a positioning hole is provided corresponding to the mounting through hole, and the positioning hole is used to fit tightly with the outer surface of the cable.

5. The dry terminal according to claim 1, wherein: The cylinder is made of epoxy glass fiber reinforced plastic; And / or, the diameter of the cylinder gradually decreases from one end to the other end; And / or, the insulating member is covered on the outer surface of the cylinder, and an umbrella skirt is formed on the outer surface of the insulating member away from the cylinder.

6. The dry terminal according to any one of claims 1 to 5, characterized in that: The second connection component includes: a lower flange connected to the cylinder, the lower flange being provided with a first through hole communicating with the mounting through hole; and The mounting seat is connected to the lower flange, and the mounting seat is provided with a receiving cavity connected to the first through hole and a second through hole, the second through hole is connected to the receiving cavity, and the second through hole and the first through hole are arranged in the same straight line.

7. The dry terminal according to claim 6, wherein: The lower flange is further provided with a plurality of first mounting holes arranged around the first through hole; The mounting base comprises: A mounting base plate, the mounting base plate being provided with a relief opening and a plurality of arc-shaped openings arranged around the relief opening, wherein one arc-shaped opening is arranged corresponding to one first mounting hole; and A tail pipe, wherein the tail pipe is provided with the second through hole, the circumference of the tail pipe extends to form a mounting platform surrounding the second through hole, the mounting platform is provided with a second mounting hole, and each second mounting hole is provided corresponding to each arc-shaped opening, and the tail pipe is used to connect to the aluminum sheath; A fixing member is provided through the first mounting hole, the arc-shaped opening and the second mounting hole to fix the tail pipe, the mounting base plate and the lower flange in connection. The tail pipe and the mounting base plate enclose the accommodating cavity.

8. The dry terminal according to any one of claims 1 to 5, characterized in that: The first connecting assembly includes an upper flange provided at one end of the cylinder, and the upper flange is provided with a third through hole communicating with the mounting through hole; The dry terminal further includes a temperature measuring component, which is located at the third through hole and is used to connect to the core of the cable and obtain the temperature of the core.

9. A temperature measurement system, characterized in that: The temperature measurement system includes a signal repeater, a data collector and the dry terminal according to claim 8, and the signal repeater, the data collector and the temperature measurement component of the dry terminal are wirelessly connected.

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