A cable joint temperature measuring device for power distribution automation protection

By introducing protective covers and cooling fans into the cable joint temperature measuring device, the problem of easy damage to the temperature measuring nut is solved, the stability of temperature measurement accuracy is achieved, the device is easy to maintain, and the service life and reliability of the device are improved.

CN224594085UActive Publication Date: 2026-08-04GANSU DENTSU ELECTRIC POWER ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GANSU DENTSU ELECTRIC POWER ENGINEERING CO LTD
Filing Date
2025-06-06
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

The temperature measuring nuts of existing cable joint temperature measuring equipment used in power distribution automation protection are easily damaged, affecting the accuracy of temperature measurement.

Method used

A temperature measuring device for cable joints used in power distribution automation protection has been designed, comprising a protective cover, a fixing cover, a cooling fan, and other structures. The protective cover protects the temperature measuring nut, while the cooling fan keeps the internal components stable, prevents wear, and facilitates disassembly and maintenance.

Benefits of technology

This design effectively protects the temperature-sensing nut, maintains temperature measurement accuracy, facilitates heat dissipation and maintenance of the equipment, and improves the service life of the equipment and the reliability of temperature measurement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to cable joint temperature measurement technical field, a kind of cable joint temperature measurement equipment for distribution automation protection, including temperature measuring machine and installation mouth, the bottom of temperature measuring machine front end is hinged with protective cover, the side fixed mounting of temperature measuring machine top end has radio frequency antenna, the inside of temperature measuring machine is provided with signal receiving module.The cable joint temperature measurement equipment for distribution automation protection is provided with installation mouth and other parts, because temperature measuring nut is installed in the outside of installation mouth, the fixed cover is opened, the cable joint is penetrated from the rubber sheet inside the fixed cover, is connected and fixed with temperature measuring nut, then the fixed cover is connected in the one side of fixed frame, temperature measurement is facilitated, temperature measuring nut can be protected during temperature measurement, avoid exposed to the outside and encounter abrasion, influence the temperature measurement accuracy of later period, after temperature measurement, cable joint can be directly pulled out from round groove, solve the problem that sensor on temperature measuring nut is easily damaged.
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Description

Technical Field

[0001] This utility model relates to the field of cable joint temperature measurement technology, specifically a cable joint temperature measurement device for power distribution automation protection. Background Technology

[0002] Cable joint temperature measuring equipment is mainly used for online monitoring of the temperature of cable joints in power transmission and distribution lines, timely detection of cable overheating, and prevention of power grid accidents caused by high-voltage transmission cable faults. Since there are many cable joints in power transmission and distribution lines and they are not scattered, it is inconvenient for workers to inspect them. Therefore, a temperature measuring device is needed to measure their temperature in real time.

[0003] According to the existing design of the cable joint temperature measuring equipment for power distribution automation protection, it is not convenient to protect the temperature measuring nut after use, which makes the sensor on the temperature measuring nut easy to be damaged and affects the temperature measurement accuracy in the later stage. Therefore, it is necessary to improve its structure.

[0004] Now, a new type of cable joint temperature measuring device for power distribution automation protection is proposed to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a temperature measuring device for cable joints used in power distribution automation protection, in order to solve the problem mentioned in the background art that the sensor on the temperature measuring nut is easily damaged.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cable joint temperature measuring device for power distribution automation protection, comprising a temperature measuring machine and an installation port. A protective cover is movably hinged to the bottom of the front end of the temperature measuring machine. An RF antenna is fixedly installed on one side of the top of the temperature measuring machine. A signal receiving module is provided inside the temperature measuring machine. A wireless signal transmission module is provided on one side of the signal receiving module. A temperature display module is provided on one side of the wireless signal transmission module. A display screen is provided at the front end of the temperature measuring machine. An installation port is fixedly connected to the right side of the temperature measuring machine. A temperature measuring nut is installed outside the installation port. A fixing frame is fixedly connected to the right side of the temperature measuring machine. A fixing cover is snapped onto one side of the fixing frame. A circular groove is provided inside one side of the fixing cover. A rubber sheet is fixedly connected between the interiors of the circular groove.

[0007] As a further technical solution of this utility model, the fixing cover is detachably attached to one side of the fixing frame, the circular groove matches the position of the temperature measuring nut, and four sets of temperature measuring nuts are provided.

[0008] As a further technical solution of this utility model, a fixing plate is provided at the rear end of the temperature measuring machine, a second reserved slot is provided at the top end of the temperature measuring machine, and a cooling fan is fixedly installed at the rear end of the fixing plate.

[0009] As a further technical solution of this utility model, a connecting seat is fixedly connected to the top of the protective cover, a movable shaft is movably connected to the rear end of the connecting seat, a limit block is fixedly connected to the rear end of the movable shaft, a fixed seat is fixedly connected to the top of the temperature measuring machine, a first reserved groove is provided inside the fixed seat, and a handle is fixedly connected to the top of the front end of the protective cover.

[0010] As a further technical solution of this utility model, the limiting block is rotatable through the interior of the first reserved groove, and the fixing seat is provided in two sets.

[0011] As a further technical solution of this utility model, positioning screws are movably connected to the four corners of the rear end of the fixing plate, and the fixing plate is detachable from the rear end of the temperature measuring machine through the positioning screws.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the cable joint temperature measuring device for power distribution automation protection not only facilitates the protection of the temperature measuring nut and heat dissipation, but also protects the display screen;

[0013] (1) By setting an installation port, a temperature measuring nut, a fixing frame, and a fixing cover, since the temperature measuring nut is screwed on the outside of the installation port, the fixing cover is opened, and the cable connector is passed through the rubber sheet inside the fixing cover to connect and fix it to the temperature measuring nut. Then the fixing cover is snapped onto one side of the fixing frame for easy temperature measurement. During the temperature measurement process, the temperature measuring nut can be protected to avoid being exposed to the outside and being worn, which would affect the accuracy of the subsequent temperature measurement. After the temperature measurement is completed, the cable connector can be directly pulled out from the round groove, making it convenient and applicable in use.

[0014] (2) By setting a fixing plate, a cooling fan, and positioning screws, the cooling fan can be opened and the internal components can be heated by the second reserved slot at the top, so that the internal modules can be kept stable when working. When disassembly is required later, the positioning screws can be opened and the fixing plate can be opened, which makes it convenient to inspect and maintain the cooling fan.

[0015] (3) By providing a protective cover, handle, fixed seat, connecting seat, first reserved slot, movable shaft, and limit block, after use, the protective cover can be flipped upwards, the limit block can be inserted through the inside of the first reserved slot and rotated to limit the position. When opening later, rotate it again to disengage it from the first reserved slot, making it convenient and quick to open and use. Attached Figure Description

[0016] Figure 1 This is a frontal cross-sectional view of the present invention.

[0017] Figure 2 This is a rear view structural diagram illustrating the connection between the fixing plate and the temperature measuring machine in this utility model.

[0018] Figure 3 This is a front view structural diagram showing the connection between the protective cover and the temperature measuring machine of this utility model;

[0019] Figure 4 This is a front view structural diagram of the connection method between the fixing cover and the fixing frame of this utility model.

[0020] In the diagram: 1. Temperature measuring machine; 2. Temperature display module; 3. Wireless signal transmission module; 4. Protective cover; 5. Display screen; 6. Handle; 7. Fixing base; 8. Connecting base; 9. First reserved slot; 10. Movable shaft; 11. Limiting block; 12. Second reserved slot; 13. Radio frequency antenna; 14. Mounting port; 15. Temperature measuring nut; 16. Fixing frame; 17. Fixing cover; 18. Signal receiving module; 19. Fixing plate; 20. Cooling fan; 21. Positioning screw; 22. Circular groove; 23. Rubber sheet. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 This utility model provides an embodiment of a cable connector temperature measuring device for power distribution automation protection, including a temperature measuring machine 1 and an installation port 14. A protective cover 4 is movably hinged to the bottom of the front end of the temperature measuring machine 1. An RF antenna 13 is fixedly installed on one side of the top of the temperature measuring machine 1. A signal receiving module 18 is provided inside the temperature measuring machine 1. A wireless signal transmission module 3 is provided on one side of the signal receiving module 18. A temperature display module 2 is provided on one side of the wireless signal transmission module 3. A display screen 5 is provided at the front end of the temperature measuring machine 1. The installation port 14 is fixedly connected to the right side of the temperature measuring machine 1. A temperature measuring nut 15 is installed on the outside of the installation port 14. A fixing frame 16 is fixedly connected to the right side of the temperature measuring machine 1. A fixing cover 17 is snapped onto one side of the fixing frame 16. A circular groove 22 is provided inside one side of the fixing cover 17. A rubber sheet 23 is fixedly connected between the interior of the circular groove 22.

[0023] The fixed cover 17 is snapped onto one side of the fixed frame 16 and is detachable. The circular groove 22 matches the position of the temperature measuring nut 15. The temperature measuring nut 15 is provided with four sets.

[0024] Specifically, such as Figure 1 and Figure 4As shown, during use, open the fixing cover 17, pass the cable connector through the rubber sheet 23 inside the fixing cover 17, and connect and fix it to the temperature measuring nut 15. Then, snap the fixing cover 17 onto one side of the fixing frame 16 to facilitate temperature measurement. This protects the temperature measuring nut 15 during the temperature measurement process, preventing it from being exposed to the outside and getting worn, which would affect the accuracy of the subsequent temperature measurement. After the temperature measurement is completed, the cable connector can be directly pulled out of the round groove 22.

[0025] A fixing plate 19 is provided at the rear end of the temperature measuring machine 1, and a second reserved slot 12 is provided at the top end of the temperature measuring machine 1. A cooling fan 20 is fixedly installed at the rear end of the fixing plate 19.

[0026] Positioning screws 21 are movably connected to the four corners at the rear end of the fixing plate 19, and the fixing plate 19 can be detached from the rear end of the temperature measuring machine 1 through the positioning screws 21.

[0027] Specifically, such as Figure 1 and Figure 2 As shown, the internal components can be cooled by the second reserved slot 12 at the top, so that the internal modules can be kept stable when working. When disassembly is required later, the positioning screw 21 can be opened and the fixing plate 19 can be opened to facilitate the inspection and maintenance of the cooling fan 20.

[0028] The top of the protective cover 4 is fixedly connected to a connecting seat 8, the rear end of the connecting seat 8 is movably connected to a movable shaft 10, the rear end of the movable shaft 10 is fixedly connected to a limit block 11, the top of the temperature measuring machine 1 is fixedly connected to a fixed seat 7, the interior of the fixed seat 7 is provided with a first reserved groove 9, and the top of the front end of the protective cover 4 is fixedly connected to a handle 6.

[0029] The limiting block 11 is rotatable and passes through the interior of the first reserved slot 9; the fixed base 7 is provided with two sets.

[0030] Specifically, such as Figure 1 and Figure 3 As shown, after use, the protective cover 4 can be flipped upwards, the limiting block 11 can be inserted through the first reserved groove 9 and rotated to limit the movement. When opening later, it can be rotated again to disengage it from the first reserved groove 9, making it convenient and quick to open and use.

[0031] Working Principle: In use, firstly, open the fixing cover 17 and pass the cable connector through the rubber sheet 23 inside the fixing cover 17, connecting and fixing it to the temperature measuring nut 15. Then, snap the fixing cover 17 onto one side of the fixing frame 16 for convenient temperature measurement. This protects the temperature measuring nut 15 during temperature measurement, preventing it from being exposed and subject to wear, which could affect the accuracy of subsequent temperature measurements. The second reserved slot 12 at the top allows for fan heating of the internal components, ensuring stable operation of the internal modules. Disassembly is required later. When the temperature measurement is complete, the positioning screw 21 can be opened to open the fixing plate 19, which facilitates the inspection and maintenance of the cooling fan 20. After the temperature measurement is completed, the fixing cover 17 is snapped onto one side of the fixing frame 16 to protect the temperature measuring nut 15 and prevent wear, which would affect the accuracy of subsequent temperature measurements. Finally, after use, the protective cover 4 can be flipped upwards to insert the limiting block 11 through the first reserved groove 9 and rotate it to limit the movement. When opening later, rotate it again to disengage it from the first reserved groove 9 for easy and quick opening and use.

[0032] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A temperature measuring device for power distribution automation protection cable joint, comprising a temperature measuring machine (1) and a mounting port (14), characterized in that: A protective cover (4) is movably hinged to the bottom of the front end of the temperature measuring machine (1). An RF antenna (13) is fixedly installed on one side of the top of the temperature measuring machine (1). A signal receiving module (18) is provided inside the temperature measuring machine (1). A wireless signal transmission module (3) is provided on one side of the signal receiving module (18). A temperature display module (2) is provided on one side of the wireless signal transmission module (3). A display screen (5) is provided at the front end of the temperature measuring machine (1). An installation port (14) is fixedly connected to the right side of the temperature measuring machine (1). A temperature measuring nut (15) is installed on the outside of the installation port (14). A fixing frame (16) is fixedly connected to the right side of the temperature measuring machine (1). A fixing cover (17) is snapped onto one side of the fixing frame (16). A circular groove (22) is provided inside one side of the fixing cover (17). A rubber sheet (23) is fixedly connected between the interiors of the circular groove (22).

2. The temperature measuring device for power distribution automation protection cable joint according to claim 1, characterized in that: The fixed cover (17) is snapped onto one side of the fixed frame (16) and is detachable. The circular groove (22) matches the position of the temperature measuring nut (15). The temperature measuring nut (15) is provided in four sets.

3. The temperature measuring device for power distribution automation protection cable joint according to claim 1, characterized in that: The temperature measuring machine (1) has a fixing plate (19) at its rear end and a second reserved slot (12) at its top end. A cooling fan (20) is fixedly installed at the rear end of the fixing plate (19).

4. The temperature measuring device for power distribution automation protection cable joint according to claim 1, characterized in that: The top of the protective cover (4) is fixedly connected to a connecting seat (8), the rear end of the connecting seat (8) is movably connected to a movable shaft (10), the rear end of the movable shaft (10) is fixedly connected to a limit block (11), the top of the temperature measuring machine (1) is fixedly connected to a fixed seat (7), the interior of the fixed seat (7) is provided with a first reserved groove (9), and the top of the front end of the protective cover (4) is fixedly connected to a handle (6).

5. The temperature measuring device for power distribution automation protection cable joint according to claim 4, characterized in that: The limiting block (11) is rotatable inside the first reserved slot (9), and the fixing seat (7) is provided in two sets.

6. The temperature measuring device for power distribution automation protection cable joint according to claim 3, characterized in that: The four corners at the rear end of the fixing plate (19) are movably connected with positioning screws (21), and the fixing plate (19) is detachable from the rear end of the temperature measuring machine (1) through the positioning screws (21).