Cable temperature detection device

Abstract

The utility model discloses a cable temperature detection device, which comprises a cable, an upper buckle and a lower buckle are arranged on the outer surface of the cable, two nickel-titanium memory alloys are symmetrically arranged on the inner surface of the lower buckle, movable rods are inserted into the lower ends of the nickel-titanium memory alloys, and the lower ends of the two movable rods are fixedly connected with connecting blocks at the same time. A connecting column is installed at the center of the lower end of the connecting block, an alarm is inserted into the lower end of the connecting column, an electricity isolation plate is installed at the lower end of the connecting column and slides in the alarm, a plurality of batteries are arranged in the alarm, and the electricity isolation plate is inserted into the connecting position of the two batteries; according to the utility model, under the action of the nickel-titanium memory alloy, the electricity isolation plate and the alarm, an alarm can be timely given out for abnormal change of the temperature of the cable, so that a worker can timely take measures for processing, the risk of electric power accidents is reduced, and the detection effect of the detection device is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable detection technical field especially relates to a cable temperature detection device. BACKGROUND

[0002] With the continuous development of electric power industry, as the important carrier of power transmission, the stability and safety of cable operation state is very important, in the cable operation process, temperature is a key parameter, and too high temperature can lead to cable insulation aging, performance decline, therefore, the temperature of cable needs to be accurately and real-timely detected.

[0003] At present, the common cable temperature detection method is contact type temperature detection, needs to transmit reaction temperature through the sensor, needs a certain time, and needs the checking personnel to check and record frequently, lacks real-time and intelligent alarm function, cannot timely discover the abnormal change of cable temperature and issue the alarm, leads to the staff difficult to take measures to handle in time, thereby increase the risk of power accident.

[0004] Therefore, we provide a kind of cable temperature detection device. UTILITY MODEL CONTENT

[0005] The utility model aims at the above-mentioned technical problem, provide a kind of cable temperature detection device, reach the effect of real-time alarm function to cable temperature.

[0006] Therefore, the utility model provides a kind of cable temperature detection device, including cable, the upper buckle and the lower buckle are arranged on the outer surface of the cable, the upper buckle and the lower buckle are symmetrically distributed, two nickel-titanium memory alloys are symmetrically arranged on the inner surface of the lower buckle, a movable rod is inserted into the lower end of the nickel-titanium memory alloy, the movable rod is inserted into the inner surface of the lower buckle at the lower end, and the movable rod extends out of the outer surface of the lower buckle at the lower end, two movable rods are fixedly connected with a connecting block at the lower end, a connecting column is installed at the lower end center of the connecting block, an alarm is inserted into the lower end of the connecting column, an electric isolation plate is installed on the connecting column, the electric isolation plate slides in the alarm, a plurality of batteries are arranged in the alarm, and the electric isolation plate is located above the connection position of the two batteries.

[0007] Preferably, two supporting barrels are symmetrically installed on the outer surface of the lower buckle, the movable rod is inserted into the inner part of the supporting barrel at the lower end, and the movable rod extends out of the lower end of the supporting barrel at the lower end.

[0008] Preferably, a push disc is installed on the outer surface of the movable rod, and the push disc slides in the inner part of the supporting barrel.

[0009] Preferably, the support cylinder is internally provided with a spring, the movable rod is inserted into the spring, and the spring is fixedly connected with the lower end of the push disc and the inner wall of the lower end of the support cylinder respectively.

[0010] Preferably, the upper buckles are provided with upper connecting fixed blocks at opposite ends, and the lower buckles are provided with lower connecting fixed blocks at opposite ends.

[0011] Preferably, the lower connecting fixed blocks are provided with nuts at lower ends, the nuts are internally screwed with connecting bolts, and the upper connecting fixed blocks and the lower connecting fixed blocks are connected and limited by the connecting bolts and the nuts.

[0012] Preferably, the upper buckles are uniformly provided with a plurality of heat dissipation columns on surfaces, the heat dissipation columns are located at different positions on the same horizontal plane, and the heat dissipation columns are tightly attached to the outer surface of the cable at lower ends.

[0013] Preferably, the alarm is symmetrically provided with two connecting plates at an upper end, and the connecting plates are fixedly connected with the outer surface of the lower buckle at upper ends.

[0014] Compared with the prior art, the utility model provides a kind of cable temperature detection device, with following beneficial effects:

[0015] 1. The utility model discloses a nickel-titanium memory alloy, an electrically isolated plate and an alarm, which can timely issue an alarm for abnormal change of cable temperature, so that staff can timely take measures to handle, reduce the risk of power accident, and further improve the detection effect of the detection device.

[0016] The parts not involved in the device are the same as or can be realized by the prior art, and the utility model has simple structure and convenient operation. DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the cable temperature detection device of the utility model;

[0018] Figure 2 It is a buckle connecting structure schematic view of the cable temperature detection device of the utility model;

[0019] Figure 3 It is an internal structure schematic view of the lower part mechanism of the nickel-titanium memory alloy of the cable temperature detection device of the utility model;

[0020] Figure 4 It is a relative position structure schematic view of the electrically isolated plate of the cable temperature detection device of the utility model.

[0021] Figure 5This is a schematic diagram of the insulating plate connection structure of a cable temperature detection device proposed in this utility model.

[0022] In the diagram: 1. Cable; 2. Upper clip; 3. Lower clip; 4. Nickel-titanium shape memory alloy; 5. Movable rod; 6. Support cylinder; 7. Connecting block; 8. Connecting column; 9. Isolation plate; 10. Alarm; 11. Battery; 12. Connecting plate; 13. Spring; 14. Push plate; 15. Lower connecting fixing block; 16. Upper connecting fixing block; 17. Nut; 18. Connecting bolt; 19. Heat dissipation column. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] Example: A cable temperature detection device, such as Figures 1-5 As shown, the device includes a cable 1. The outer surface of the cable 1 is provided with an upper clip 2 and a lower clip 3, which are symmetrically distributed. Two nickel-titanium shape memory alloys 4 are symmetrically arranged on the inner surface of the lower clip 3. A movable rod 5 is inserted into the lower end of the nickel-titanium shape memory alloy 4. The lower end of the movable rod 5 is inserted into the inner surface of the lower clip 3, and the lower end of the movable rod 5 extends out of the outer surface of the lower clip 3. The lower ends of the two movable rods 5 are simultaneously fixedly connected to a connecting block 7. A connecting post 8 is installed at the center of the lower end of the connecting block 7. An alarm 10 is inserted into the lower end of the connecting post 8. An insulating plate 9 is installed at the lower end of the connecting post 8. The insulating plate 9 slides inside the alarm 10. Several batteries 11 are arranged inside the alarm 10. The insulating plate 9 is located above the connection point of two batteries 11.

[0026] When the lower buckle 3 is not in contact with the cable 1, the nickel-titanium memory alloy 4 is in the original state, and the length and width are longer than the current state, and the height is shorter than the current state, and there is a gap between the nickel-titanium memory alloy 4 and the inner surface of the lower buckle 3, and the isolation plate 9 is not inserted into the connection between the two batteries 11; when the upper buckle 2 and the lower buckle 3 are clamped with the cable 1, the nickel-titanium memory alloy 4 is in close contact with the cable 1 until the lower end of the nickel-titanium memory alloy 4 is in close contact with the inner surface of the lower buckle 3, and the clamping of the upper buckle 2 and the lower buckle 3 is completed; under the connection of the movable rod 5, the isolation plate 9 is inserted into the connection between the two batteries 11, and at this time the alarm 10 is in a power-off state; when the cable 1 is overheated, the nickel-titanium memory alloy 4 is heated to restore the original state, and at this time there is a certain distance between the upper end of the nickel-titanium memory alloy 4 and the outer surface of the cable 1, the movable rod 5 moves upward, and the isolation plate 9 moves away from the connection between the two batteries 11, so that the alarm 10 restores the series power supply and issues an alarm; under the action of the nickel-titanium memory alloy 4, the isolation plate 9 and the alarm 10, the abnormal change of the temperature of the cable 1 can be alarmed in time, so that the staff can take measures in time to process, reduce the risk of power accidents, and further improve the detection effect of the detection device.

[0027] As shown in Figures 1-5 , the outer surface of the lower buckle 3 is symmetrically provided with two support barrels 6, and the lower end of the movable rod 5 is inserted into the inside of the support barrel 6, and the lower end of the movable rod 5 extends out of the lower end of the support barrel 6.

[0028] The outer surface of the movable rod 5 is provided with a push plate 14, and the push plate 14 slides in the inside of the support barrel 6.

[0029] The inside of the support barrel 6 is provided with a spring 13, the movable rod 5 is inserted into the inside of the spring 13, and the opposite ends of the spring 13 are fixedly connected with the lower end of the push plate 14 and the inner wall of the lower end of the support barrel 6, respectively.

[0030] Before the device is installed, there is a gap between the nickel-titanium memory alloy 4 and the inner surface of the lower buckle 3, and the spring 13 is not extruded; when the nickel-titanium memory alloy 4 is in close contact with the outer surface of the cable 1, the nickel-titanium memory alloy 4 is in close contact with the inner surface of the lower buckle 3, and the push plate 14 extrudes the spring 13; when the cable 1 is overheated, the nickel-titanium memory alloy 4 restores to the original state, and at this time there is a certain distance between the nickel-titanium memory alloy 4 and the outer surface of the cable 1; under the rebounding action of the spring 13, the movable rod 5 moves upward, thereby driving the isolation plate 9 away from the connection between the two batteries 11, so that the alarm 10 restores the series power supply and issues an alarm; under the action of the spring 13 and the push plate 14, the position of the isolation plate 9 is changed, and the stability of the operation of the detection device is ensured.

[0031] As shown in Figures 1-5 , the opposite ends of the upper buckle 2 are provided with upper connection fixed blocks 16, and the opposite ends of the lower buckle 3 are provided with lower connection fixed blocks 15.

[0032] The lower end of the lower connecting fixing block 15 is provided with a nut 17, and the inside of the nut 17 is screwed with a connecting bolt 18. The upper connecting fixing block 16 is connected and limited with the lower connecting fixing block 15 through the connecting bolt 18 and the nut 17.

[0033] According to the size of the diameter of the cable 1, the upper buckle 2 is first in close contact with the cable 1, then the lower buckle 3 is aligned with the upper connecting fixing block 16 through the lower connecting fixing block 15, then the connecting bolt 18 is rotated until the two connecting bolts 18 are completely screwed in place, under the action of the connecting bolt 18 and the nut 17, the detection device can be installed and fixed with the cable 1, which is convenient for detection, and at the same time, the rotating forward distance of the connecting bolt 18 can be adjusted according to the size of the diameter of the cable 1 until the upper buckle 2 and the lower buckle 3 are in contact with the cable 1, which improves the application range of the device.

[0034] As shown in Figures 1-5 The surface of the upper buckle 2 is uniformly provided with a plurality of heat dissipation columns 19, and the plurality of heat dissipation columns 19 are located at different positions on the same horizontal plane, and the lower end of the heat dissipation column 19 is in close contact with the outer surface of the cable 1.

[0035] When the upper buckle 2 is in contact with the cable 1, the heat dissipation column 19 first contacts the cable 1, and under the action of the heat dissipation column 19, the contact area of the upper buckle 2 and the cable 1 can be reduced to prevent the cable 1 from overheating and damaging the upper buckle 2, and at the same time, the ventilation effect of the cable 1 can be improved, and the heat dissipation effect of the cable 1 and the upper buckle 2 at the connection position can be improved.

[0036] As shown in Figures 1-5 The upper end of the alarm 10 is symmetrically provided with two connecting plates 12, and the upper ends of the two connecting plates 12 are fixedly connected with the outer surface of the lower buckle 3 at the same time.

[0037] Under the connection and support of the connecting plate 12, the position of the alarm 10 is fixed to prevent the alarm 10 from shaking, and to avoid the downward gravitational force of the alarm 10 on the electric isolation plate 9, which causes the electric isolation plate 9 to be unable to work.

[0038] Working principle: the upper buckle 2 is first in close contact with the cable 1, then the lower buckle 3 is aligned with the upper connecting fixed block 16 through the lower connecting fixed block 15, then the connecting bolt 18 is rotated, so that the upper buckle 2 and the lower buckle 3 are in close contact with the cable 1, at this time, the upper and lower surfaces of the nickel-titanium memory alloy 4 are in close contact with the inner surfaces of the cable 1 and the lower buckle 3 respectively, under the connection of the movable rod 5, the electrically isolated plate 9 is inserted into the connection of the two batteries 11, the push disc 14 extrudes the spring 13, when the cable 1 is overheated, the nickel-titanium memory alloy 4 restores to the original state, at this time, there is a certain distance between the nickel-titanium memory alloy 4 and the outer surface of the cable 1, under the rebounding action of the spring 13, the movable rod 5 is driven to move upward, so that the electrically isolated plate 9 is driven away from the connection of the two batteries 11, so that the alarm 10 restores to the series electric and sends out the alarm.

[0039] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A cable temperature detection device comprising a cable (1), characterized in that, The outer surface of the cable (1) is provided with an upper buckle (2) and a lower buckle (3), the upper buckle (2) and the lower buckle (3) are symmetrically distributed, the inner surface of the lower buckle (3) is provided with two nickel titanium memory alloys (4) symmetrically, the lower end of the nickel titanium memory alloy (4) is inserted with a movable rod (5), the lower end of the movable rod (5) is inserted with the inner surface of the lower buckle (3), and the lower end of the movable rod (5) extends out of the outer surface of the lower buckle (3), the lower end of the two movable rods (5) is fixedly connected with a connecting block (7) at the same time, the connecting block (7) is installed with a connecting column (8) at the lower end center, the connecting column (8) is inserted with an alarm (10) at the lower end, the connecting column (8) is installed with an electric isolation plate (9) at the lower end, the electric isolation plate (9) slides in the alarm (10), a plurality of batteries (11) are arranged in the alarm (10), and the electric isolation plate (9) is located above the connection position of the two batteries (11).

2. The cable temperature detection device of claim 1, wherein The outer surface of the lower buckle (3) is symmetrically provided with two supporting barrels (6), the lower end of the movable rod (5) is inserted into the supporting barrel (6), and the lower end of the movable rod (5) extends out of the lower end of the supporting barrel (6).

3. The cable temperature detection apparatus according to claim 2, wherein The outer surface of the movable rod (5) is provided with a push disc (14), and the push disc (14) slides in the supporting barrel (6).

4. The cable temperature detection apparatus according to claim 3, wherein The supporting barrel (6) is provided with a spring (13) inside, the movable rod (5) is inserted into the spring (13), and the spring (13) is fixedly connected with the lower end of the push disc (14) and the inner wall of the lower end of the supporting barrel (6) at opposite ends.

5. The cable temperature detection apparatus of claim 1, wherein The opposite ends of the upper buckle (2) are provided with upper connecting fixed blocks (16), and the opposite ends of the lower buckle (3) are provided with lower connecting fixed blocks (15).

6. The cable temperature detection apparatus according to claim 5, wherein The lower end of the lower connecting fixed block (15) is provided with a nut (17), the nut (17) is rotatably connected with a connecting bolt (18) inside, and the upper connecting fixed block (16) and the lower connecting fixed block (15) are connected and limited by the connecting bolt (18) and the nut (17).

7. The cable temperature detection apparatus of claim 1, wherein The surface of the upper buckle (2) is uniformly provided with a plurality of heat dissipation columns (19), and the plurality of heat dissipation columns (19) are located at different positions on the same horizontal plane, and the lower end of the heat dissipation column (19) is closely combined with the outer surface of the cable (1).

8. The cable temperature detection device of claim 1, wherein, The upper end of the alarm (10) is symmetrically provided with two connecting plates (12), and the upper ends of the two connecting plates (12) are fixedly connected with the outer surface of the lower buckle (3) at the same time.

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