Load monitoring device

Abstract

The invention provides a load monitoring device, which is arranged on a pole tower and comprises a monitor body, a power supply device and a power supply device, the detection mechanism comprises a detection main body and an opening and closing part, the detection main body is in signal connection with the monitor body, the detection main body is provided with a cable accommodating space and a cable avoiding opening, and the opening and closing part is movably arranged at the cable avoiding opening, so that the opening and closing part has an opening position for opening the cable avoiding opening and a closing position for closing the cable avoiding opening; the clamping mechanism comprises a cable clamping part and a fixing part arranged on the cable clamping part, the cable clamping part is arranged in the cable containing space in a penetrating mode, and the fixing part is connected with the detection body. Through the technical scheme provided by the invention, the problems that the result is inaccurate due to an error between data detected in the daytime and data of a night load when a worker carries out detection in the daytime on the site, and the time cost and the labor cost are relatively high due to the fact that the worker needs to carry out real-time detection on the site in the prior art can be solved.

Description

Technical Field

[0001] The present invention relates to the technical field of low-voltage line detection, and in particular to a load monitoring device. Background Art

[0002] With the rapid development of the national economy, the demand for electricity is increasing. The power grid distribution system can ensure the safe and efficient transmission of electricity from power stations or substations to end users. Specifically, the transformer converts high-voltage electricity into low-voltage electricity suitable for users to ensure safety and normal operation of equipment. Due to the heavy load at night in summer, tripping may occur, affecting the reliability of power supply of the power grid.

[0003] In the related art, the current data of the transmission line is analyzed through the distribution transformer terminal to obtain the maximum current during the tripping period, and then the staff go to the site during the day to manually measure the data of the transmission line to determine the load situation. However, the staff in the related art go to the site for detection during the day, and there is an error between the data detected during the day and the data of the night load, resulting in inaccurate results, and the staff need to go to the site for real-time detection, resulting in high time and labor costs. Summary of the invention

[0004] The present invention provides a load monitoring device to solve the problem in the related art that workers need to go to the site for detection during the day, the data detected during the day and the data of the night load are inaccurate, resulting in inaccurate results, and the workers need to go to the site for real-time detection, resulting in high time and labor costs.

[0005] The present invention provides a load monitoring device, which is arranged on a pole tower. The load monitoring device comprises: a monitor body, which is arranged on the pole tower; a detection mechanism, which comprises a detection main body and an opening and closing member, the detection main body is connected with the monitor body by signal, the detection main body is provided with a cable accommodating space and a cable avoidance opening connected with the cable accommodating space, the opening and closing member is movably arranged at the cable avoidance opening so that the opening and closing member has an open position for opening the cable avoidance opening and a closed position for closing the cable avoidance opening; a clamping mechanism, which comprises a cable clamping part for clamping a measured cable and a fixing part arranged on the cable clamping part, the cable clamping part is penetrated in the cable accommodating space, and the fixing part is connected with the detection main body.

[0006] Furthermore, the detection body includes a mutual inductance coil, which is used to detect the current of the cable on the cable clamping part. The mutual inductance coil is an arc-shaped structure. The cable accommodating space and the cable avoidance opening are both arranged on the mutual inductance coil. The opening and closing part includes an arc-shaped closing block. When the opening and closing part is in a closed position, the two ends of the mutual inductance coil are respectively fitted with the two ends of the arc-shaped closing block.

[0007] Furthermore, the cable clamping part includes an arc-shaped elastic plate, the lower surface of the arc-shaped elastic plate is used to clamp the cable; the fixing part includes a square ring, the square ring is arranged on the upper surface of the arc-shaped elastic plate, and the square ring can be sleeved on the side wall of the mutual inductance coil. The load monitoring device also includes a first fastener, which is passed through both ends of the square ring to clamp the mutual inductance coil.

[0008] Furthermore, the clamping mechanism also includes a clamping buckle, which includes a first clamping arm, a second clamping arm and a second fastener. The first clamping arm and the second clamping arm are pivotally connected, and the first end of the first clamping arm and the first end of the second clamping arm are both connected to the upper surface of the arc-shaped elastic plate. The second fastener is sequentially passed through the second end of the first clamping arm and the second end of the second clamping arm to abut and cooperate with the arc-shaped elastic plate.

[0009] Furthermore, the load monitoring device also includes two clamping buckles, which are arranged at intervals along the length direction of the arc-shaped elastic plate, and the square ring is arranged between the two clamping buckles.

[0010] Furthermore, the detection body also includes a shell, one end of which is connected to the detection body, and a driving structure is provided on the shell to drive the opening and closing member to switch between an open position and a closed position.

[0011] Furthermore, the driving structure includes a driving handle and a lifting platform. The driving handle is rotatably arranged on the outer shell. The lifting platform is movably arranged in the outer shell along the length direction of the outer shell. The lifting platform is connected to the opening and closing part. The driving handle is drivably connected to the lifting platform to move the opening and closing part on the outer shell.

[0012] Furthermore, an elastic reset member is provided on the shell, a first end of the elastic reset member is connected to the top wall of the shell, and a second end of the elastic reset member is connected to the lifting platform; a guide rail groove is provided on the shell, and the lifting platform is provided with a slide rail, and the slide rail is movably provided in the guide rail groove.

[0013] Furthermore, a temperature measuring hole is provided on the side wall of the cable clamping portion, and the load monitoring device also includes a temperature measuring probe, which is arranged in the temperature measuring hole and is connected to the monitor body signal.

[0014] Furthermore, the load monitoring device also includes a voltage detection component, which includes a conductive sheet, a fixed sheet, a push handle and a transmission line. The conductive sheet is arranged on a first side of the fixed sheet, the push handle is arranged on a second side of the fixed sheet, the fixed sheet is fitted with the cable, the first end of the transmission line is connected to the conductive sheet signal, and the second end of the transmission line is connected to the monitor body signal.

[0015] By applying the technical solution of the present invention, a load monitoring device can be arranged on a pole tower to perform load monitoring on cables on the pole tower. The load monitoring device includes a monitor body, a monitoring mechanism and a clamping mechanism. The monitor body is arranged on the pole tower. The detection mechanism includes a detection body and an opening and closing member. The detection body is signal-connected to the monitor body. The detection body is provided with a cable accommodating space and a cable avoidance opening. The opening and closing member is movably arranged at the cable avoidance opening. When the cable needs to be placed in the cable accommodating space of the detection body, the opening and closing member needs to be in an open position to open the cable avoidance opening so that the cable can enter the cable accommodating space in the detection body through the cable avoidance opening. Then, the opening and closing member is switched from the open position to the closed position so that the opening and closing member can close the cable avoidance opening. In this way, the detection body and the opening and closing member can not only perform the function of load monitoring on the cable, but also prevent the cable from escaping from the detection body from the cable accommodating space of the detection body. Among them, the clamping mechanism can clamp the cable, the clamping mechanism includes a cable clamping part and a fixing part, the cable clamping part is inserted into the cable accommodating space to clamp the cable, and the fixing part is arranged on the cable clamping part, and the fixing part can be connected with the detection body, so that the cable can be clamped by the clamping mechanism, and the cable clamping part of the clamping mechanism is inserted into the cable accommodating space of the detection body, and the cable can be prevented from falling off from the detection body, so that the monitor body is arranged on the pole tower, and the detection body is connected with the monitor body signal, so that the detection body can be used to perform load detection on the cable, and the signal after detection is transmitted to the monitor body, so that the cable can be detected in real time to avoid inaccurate detection structure of the cable. When the data information of the cable is needed, the staff directly exports the data of the monitor body, which can reduce time cost and labor cost and ensure the accuracy of the detection data. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 It shows a schematic structural diagram of a clamping structure provided according to an embodiment of the present invention;

[0018] Figure 2 A structural schematic diagram showing another perspective of a clamping structure provided by an embodiment of the present invention;

[0019] Figure 3 It shows a schematic structural diagram of a load monitoring device in a closed position according to an embodiment of the present invention;

[0020] Figure 4A schematic structural diagram of a load monitoring device in a closed position according to another perspective is shown;

[0021] Figure 5 It shows a schematic structural diagram of a load monitoring device in an open position according to an embodiment of the present invention;

[0022] Figure 6 A schematic structural diagram of another viewing angle of a load monitoring device in an open position according to an embodiment of the present invention is shown;

[0023] Figure 7 A schematic structural diagram of a monitor body provided according to an embodiment of the present invention is shown.

[0024] The above drawings include the following reference numerals:

[0025] 10. Monitor body;

[0026] 20. Detection mechanism; 21. Detection body; 211. Cable accommodating space; 212. Cable avoidance opening; 213. Mutual inductance coil; 214. Housing; 215. Elastic reset member; 22. Opening and closing member; 221. Arc-shaped closing block;

[0027] 30. Clamping mechanism; 31. Cable clamping part; 311. Arc elastic plate; 312. Temperature measuring hole; 32. Fixing part; 321. Square ferrule; 33. Clamping buckle; 331. First clamping arm; 332. Second clamping arm; 333. Second fastener;

[0028] 41. First fastener; 42. Driving structure; 421. Driving handle; 422. Lifting platform. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figures 1 to 7As shown, an embodiment of the present invention provides a load monitoring device, which is arranged on a pole tower. The load monitoring device includes a monitor body 10, a detection mechanism 20 and a clamping mechanism 30. The monitor body 10 is arranged on the pole tower. The detection mechanism 20 includes a detection body 21 and an opening and closing member 22. The detection body 21 is signal-connected to the monitor body 10. A cable accommodating space 211 and a cable avoidance opening 212 connected to the cable accommodating space 211 are provided on the detection body 21. The opening and closing member 22 is movably arranged at the cable avoidance opening 212 so that the opening and closing member 22 has an open position for opening the cable avoidance opening 212 and a closed position for closing the cable avoidance opening 212. The clamping mechanism 30 includes a cable clamping portion 31 for clamping a measured cable and a fixing portion 32 arranged on the cable clamping portion 31. The cable clamping portion 31 is penetrated in the cable accommodating space 211, and the fixing portion 32 is connected to the detection body 21.

[0031] The load monitoring device provided in this embodiment can be arranged on a pole tower to monitor the load of cables on the pole tower. The load monitoring device includes a monitoring body 10, a monitoring mechanism and a clamping mechanism 30. The monitoring body 10 is arranged on the pole tower. The detection mechanism 20 includes a detection body 21 and an opening and closing member 22. The detection body 21 is connected to the monitoring body 10 by signal. The detection body 21 has a cable accommodating space 211 and a cable avoidance opening 212. The opening and closing member 22 can be movably arranged at the cable avoidance opening 212. When the cable needs to be placed on the detection body, the detection body 21 has a cable accommodating space 211 and a cable avoidance opening 212. The opening and closing member 22 can be movably arranged at the cable avoidance opening 212. In the cable accommodating space 211 of the main body 21, the opening and closing piece 22 needs to be in the open position to open the cable avoidance opening 212, so that the cable can enter the cable accommodating space 211 in the detection main body 21 through the cable avoidance opening 212, and then the opening and closing piece 22 is switched from the open position to the closed position, so that the opening and closing piece 22 can close the cable avoidance opening 212. In this way, the detection main body 21 and the opening and closing piece 22 can not only perform the function of load monitoring on the cable, but also prevent the cable from escaping from the detection main body 21 from the cable accommodating space 211 of the detection main body 21. Among them, the clamping mechanism 30 can clamp the cable, and the clamping mechanism 30 includes a cable clamping part 31 and a fixing part 32. The cable clamping part 31 is inserted into the cable accommodating space 211 to clamp the cable, and the fixing part 32 is arranged on the cable clamping part 31, and the fixing part 32 can be connected to the detection body 21. In this way, the cable can be clamped by the clamping mechanism 30, and the cable clamping part 31 of the clamping mechanism 30 is inserted into the cable accommodating space 211 of the detection body 21, and the cable can be prevented from falling off the detection body 21. When the monitor body 10 is set on the pole tower, the detection body 21 is connected to the monitor body 10 by signal. In this way, the detection body 21 can be used to perform load detection on the cable, and the detected signal is transmitted to the monitor body 10. In this way, the cable can be detected in real time to avoid inaccurate detection structure of the cable. When the data information of the cable is needed, the staff directly exports the data of the monitor body 10, which can reduce time cost and labor cost and ensure the accuracy of the detection data.

[0032] like Figures 3 to 6As shown, the detection body 21 includes a mutual inductance coil 213, which is used to detect the current of the cable on the cable clamping part 31. The mutual inductance coil 213 is an arc-shaped structure. The cable accommodating space 211 and the cable avoidance opening 212 are both arranged on the mutual inductance coil 213. The opening and closing member 22 includes an arc-shaped closing block 221. When the opening and closing member 22 is in the closed position, the two ends of the mutual inductance coil 213 are respectively fitted with the two ends of the arc-shaped closing block 221. By adopting the above structure, the mutual inductance coil 213 can be used to detect the current of the cable on the cable clamping part 31 of the clamping mechanism 30, and the mutual inductance coil 213 is an arc structure, and the cable accommodating space 211 and the cable avoidance opening 212 are both arranged on the mutual inductance coil 213, so that the arc-shaped closing block 221 can cover or open the cable avoidance opening 212, and when the opening and closing member 22 is in the closed position, the two ends of the arc-shaped closing block 221 can be respectively fitted with the two ends of the mutual inductance coil 213, so that the mutual inductance coil 213 and the arc-shaped closing block 221 are in an annular structure when they are fitted, so that the cable can be passed through the cable accommodating space 211 when the clamping mechanism 30 is clamped, so that the mutual inductance coil 213 and the arc-shaped closing block 221 are used to prevent the cable from falling off, thereby ensuring that the mutual inductance coil 213 can detect the current of the cable in real time.

[0033] like Figure 1 and Figure 2 As shown, the cable clamping portion 31 includes an arc-shaped elastic plate 311, and the lower surface of the arc-shaped elastic plate 311 is used to clamp the cable. With the above structure, the arc-shaped elastic plate 311 can be used to clamp the cable, so that the cable can be prevented from falling off.

[0034] like Figures 1 to 6 As shown, the fixing part 32 includes a square ferrule 321, which is arranged on the upper surface of the arc-shaped elastic plate 311, and the square ferrule 321 can be sleeved on the side wall of the mutual inductance coil 213. The load monitoring device also includes a first fastener 41, which is passed through the two ends of the square ferrule 321 to clamp the mutual inductance coil 213. With the above structure, by setting the square ferrule 321 on the upper surface of the arc-shaped elastic plate 311, and the square ferrule 321 can be opened and closed, so that when the square ferrule 321 is in the open position, the mutual inductance coil 213 can be set in the square ferrule 321, and then the first fastener 41 is sequentially passed through the two ends of the square ferrule 321, so that under the action of the first fastener 41, the square ferrule 321 can clamp the mutual inductance coil 213, so as to ensure that the clamping mechanism 30 can not only clamp the cable, but also clamp the mutual inductance coil 213.

[0035] like Figure 1 and Figure 2As shown, the clamping mechanism 30 also includes a clamping buckle 33, which includes a first clamping arm 331, a second clamping arm 332 and a second fastener 333. The first clamping arm 331 and the second clamping arm 332 are pivotally connected, and the first end of the first clamping arm 331 and the first end of the second clamping arm 332 are both connected to the upper surface of the arc-shaped elastic plate 311. The second fastener 333 is sequentially passed through the second end of the first clamping arm 331 and the second end of the second clamping arm 332 to abut and cooperate with the first clamping arm 331 and the second clamping arm 332 with the arc-shaped elastic plate 311. By adopting the above structure, the first clamping arm 331 and the second clamping arm 332 are pivotally connected, and the first end of the first clamping arm 331 and the first end of the second clamping arm 332 are connected to the upper surface of the arc-shaped elastic plate 311, so that the second fastener 333 is sequentially passed through the second end of the first clamping arm 331 and the second end of the second clamping arm 332, so that when the second fastener 333 is gradually clamped, the first end of the first clamping arm 331 and the first end of the second clamping arm 332 can be close to each other, so that the arc-shaped elastic plate 311 can be clamped, so that the arc-shaped elastic plate 311 can clamp the cable, and the second fastener 333 is used to improve the clamping effect.

[0036] like Figure 2 As shown, the load monitoring device further includes two clamping buckles 33, which are arranged at intervals along the length direction of the arc-shaped elastic plate 311, and the square ferrule 321 is arranged between the two clamping buckles 33. With the above structure, by arranging two clamping buckles 33, the clamping effect of the arc-shaped elastic plate 311 on the cable can be improved, and the square ferrule 321 can be easily arranged.

[0037] like Figures 3 to 6 As shown, the detection body 21 also includes a shell 214, one end of which is connected to the detection body 21, and a driving structure 42 is provided on the shell 214 to drive the opening and closing member 22 to switch between the open position and the closed position. With the above structure, the shell 214 is connected to the detection body 21, and a driving structure 42 is provided on the shell 214. The driving structure 42 can drive the opening and closing member 22 to switch between the open position and the closed position, so that the driving method is simple.

[0038] like Figures 3 to 6As shown, the driving structure 42 includes a driving handle 421 and a lifting platform 422. The driving handle 421 is rotatably arranged on the housing 214, and the lifting platform 422 is movably arranged in the housing 214 along the length direction of the housing 214. The lifting platform 422 is connected to the opening and closing member 22, and the driving handle 421 is drivingly connected to the lifting platform 422 so that the opening and closing member 22 moves on the housing 214. With the above structure, the driving handle 421 is rotatably arranged on the housing 214, and the lifting platform 422 is movably arranged along the length direction of the housing 214, so that the driving handle 421 rotates relative to the housing 214, and the driving handle 421 can drive the lifting platform 422 to move vertically, so that the driving handle 421 can drive the lifting platform 422 to move and then drive the opening and closing member 22 to move, so that the driving method is convenient.

[0039] like Figures 3 to 6 As shown, an elastic reset member 215 is also provided on the housing 214, and the first end of the elastic reset member 215 is connected to the top wall of the housing 214, and the second end of the elastic reset member 215 is connected to the lifting platform 422. With the above structure, by connecting the first end of the elastic reset member 215 to the top wall of the housing 214, and the second end of the elastic reset member 215 to the lifting platform 422, the elastic reset member 215 can be driven to extend when the lifting platform 422 moves vertically, and then when the opening and closing member 22 needs to be switched from the open position to the closed position, the elastic reset member 215 can drive the lifting platform 422 to reset, so that the two ends of the opening and closing member 22 can fit with the two ends of the mutual inductance coil 213.

[0040] In this embodiment, a guide rail groove is provided on the housing 214, and a slide rail is provided on the lifting platform 422, and the slide rail is movably provided in the guide rail groove. With the above structure, by sliding the slide rail of the lifting platform 422 in the guide rail groove of the housing 214, the movement of the lifting platform 422 plays a role of sliding guide.

[0041] like Figure 1 As shown, a temperature measuring hole 312 is provided on the side wall of the cable clamping part 31, and the load monitoring device further comprises a temperature measuring probe, which is arranged in the temperature measuring hole 312, and the temperature measuring probe is connected to the monitor body 10 by signal. With the above structure, the temperature measuring probe is placed in the temperature measuring hole 312 of the cable clamping part 31, so that the temperature measuring probe detects the temperature of the cable, and transmits the detected temperature information to the monitor body 10, so that the monitor body 10 can be used to detect the current information and temperature information of the cable in real time.

[0042] In this embodiment, the load monitoring device further includes a voltage detection component, which includes a conductive sheet, a fixed sheet, a push handle and a transmission line. The conductive sheet is arranged on the first side of the fixed sheet, the push handle is arranged on the second side of the fixed sheet, the fixed sheet is fitted with the cable, the first end of the transmission line is connected to the conductive sheet signal, and the second end of the transmission line is connected to the monitor body 10 signal. With the above structure, the conductive sheet is arranged on the first side of the fixed sheet, the push handle is arranged on the second side of the fixed sheet, the push handle can push the conductive sheet into the cable for voltage detection, and the fixed sheet is tied to the cable with an insulating tape to play a fixing role.

[0043] It should be noted that the power supply of this solution is taken from the overhead line, and the voltage measurement function is realized through the power supply line. This solution can be equipped with three sets of current and temperature measurement lines, and the measurement line can be selected according to the actual needs on site. The line measurement mode can be divided into the main line measurement mode and the branch line measurement mode. The branch line measurement mode can measure the branch line data and calculate the sum of the branch line current data. This solution is equipped with a timing module, which measures and records the average value of each data within one minute every 15 minutes, and the database can store at least 30 days of data. This solution can transmit data remotely by radio frequency and carrier, and supports obtaining data on the ground or transmitting data to the terminal by carrier. This solution is equipped with a single-chip microcomputer control module to realize the above-mentioned electronic control functions.

[0044] The monitor body 10 is provided with a screen, a fixing buckle, an operation key area, a voltage interface, a current interface and a temperature measurement interface. There are three groups of current interfaces and temperature measurement interfaces, and the temperature measurement interface can realize the reception of three-phase temperature measurement signals. Four fixing buckles are provided on both sides of the monitor body 10, which are fixed to the tower by straps. The monitor body 10 has a built-in small battery, which can maintain operation for a period of time after power failure.

[0045] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0046] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, and therefore, once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0047] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0048] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0049] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0050] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A load monitoring device, arranged on a pole tower, characterized in that: The load monitoring device comprises: A monitor body (10) is arranged on the tower; A detection mechanism (20), the detection mechanism (20) comprising a detection body (21) and an opening and closing member (22), the detection body (21) being connected to the monitor body (10) by signal, the detection body (21) being provided with a cable accommodating space (211) and a cable escape opening (212) communicating with the cable accommodating space (211), the opening and closing member (22) being movably arranged at the cable escape opening (212), so that the opening and closing member (22) has an open position for opening the cable escape opening (212) and a closed position for closing the cable escape opening (212); A clamping mechanism (30), the clamping mechanism (30) comprising a cable clamping portion (31) for clamping a cable to be tested and a fixing portion (32) arranged on the cable clamping portion (31), the cable clamping portion (31) being inserted into the cable accommodating space (211), and the fixing portion (32) being connected to the detection body (21).

2. The load monitoring device according to claim 1, characterized in that: The detection body (21) comprises a mutual inductance coil (213), and the mutual inductance coil (213) is used to detect the current of the cable on the cable clamping part (31). The mutual inductance coil (213) is an arc-shaped structure. The cable accommodating space (211) and the cable avoidance opening (212) are both arranged on the mutual inductance coil (213). The opening and closing member (22) comprises an arc-shaped closing block (221). When the opening and closing member (22) is in the closed position, two ends of the mutual inductance coil (213) are respectively in contact with two ends of the arc-shaped closing block (221).

3. The load monitoring device according to claim 2, characterized in that: The cable clamping portion (31) comprises an arc-shaped elastic plate (311), and the lower surface of the arc-shaped elastic plate (311) is used for clamping the cable; The fixing portion (32) comprises a square ferrule (321), wherein the square ferrule (321) is arranged on the upper surface of the arc-shaped elastic plate (311), and the square ferrule (321) can be sleeved on the side wall of the mutual inductance coil (213). The load monitoring device also comprises a first fastener (41), wherein the first fastener (41) is passed through two ends of the square ferrule (321) to clamp the mutual inductance coil (213).

4. The load monitoring device according to claim 3, characterized in that: The clamping mechanism (30) further comprises a clamping buckle (33), wherein the clamping buckle (33) comprises a first clamping arm (331), a second clamping arm (332) and a second fastener (333), wherein the first clamping arm (331) and the second clamping arm (332) are pivotally connected to each other, wherein the first end of the first clamping arm (331) and the first end of the second clamping arm (332) are both connected to the upper surface of the arc-shaped elastic plate (311), and the second fastener (333) is sequentially passed through the second end of the first clamping arm (331) and the second end of the second clamping arm (332) to make the first clamping arm (331) and the second clamping arm (332) abut against the arc-shaped elastic plate (311).

5. The load monitoring device according to claim 4, characterized in that: The load monitoring device further comprises two clamping buckles (33), the two clamping buckles (33) are arranged at intervals along the length direction of the arc-shaped elastic plate (311), and the square ring (321) is arranged between the two clamping buckles (33).

6. The load monitoring device according to any one of claims 1 to 5, characterized in that: The detection body (21) further comprises a housing (214), one end of which is connected to the detection body (21), and a driving structure (42) is provided on the housing (214) to drive the opening and closing member (22) to switch between the open position and the closed position.

7. The load monitoring device according to claim 6, characterized in that: The driving structure (42) comprises a driving handle (421) and a lifting platform (422); the driving handle (421) is rotatably arranged on the outer shell (214); the lifting platform (422) is movably arranged in the outer shell (214) along the length direction of the outer shell (214); the lifting platform (422) is connected to the opening and closing member (22); the driving handle (421) is drivingly connected to the lifting platform (422) so that the opening and closing member (22) moves on the outer shell (214).

8. The load monitoring device according to claim 7, characterized in that: The housing (214) is also provided with an elastic reset member (215), a first end of the elastic reset member (215) is connected to the top wall of the housing (214), and a second end of the elastic reset member (215) is connected to the lifting platform (422); The housing (214) is provided with a guide rail groove, and the lifting platform (422) is provided with a slide rail, and the slide rail is movably arranged in the guide rail groove.

9. The load monitoring device according to any one of claims 1 to 5, characterized in that: The side wall of the cable clamping portion (31) is provided with a temperature measuring hole (312), and the load monitoring device further comprises a temperature measuring probe, which is arranged in the temperature measuring hole (312) and is connected to the monitor body (10) by signal.

10. The load monitoring device according to any one of claims 1 to 5, characterized in that: The load monitoring device also includes a voltage detection component, which includes a conductive sheet, a fixed sheet, a push handle and a transmission line. The conductive sheet is arranged on a first side of the fixed sheet, and the push handle is arranged on a second side of the fixed sheet. The fixed sheet is fitted with the cable, and the first end of the transmission line is connected to the conductive sheet signal, and the second end of the transmission line is connected to the monitor body (10) signal.

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