Power grid current fixed-point monitoring device

Abstract

The utility model relates to a power grid current fixed-point monitoring device, which relates to the technical field of power grids and comprises a current transformer, an information collection transmitter and a power supply assembly, the power supply assembly comprises a connecting handle vertically arranged at the lower end of the current transformer, an energy storage battery arranged in the connecting handle and a solar photovoltaic panel arranged at the lower end of the connecting handle, and the solar photovoltaic panel is irradiated by sunlight to convert light energy into electric energy and store the electric energy in the energy storage battery. The energy storage battery provides electric energy for the current transformer and the information collection transmitter, and the information collection transmitter collects current information monitored by the current transformer and transmits the current information through electric signals. The beneficial effect is that more effective monitoring of the power grid is realized.

Description

Technical Field

[0001] This utility model relates to the field of power grid technology, and in particular to a power grid current fixed-point monitoring device. Background Technology

[0002] A power grid is the entire system comprised of substations and transmission and distribution lines operating at various voltages within a power system. It consists of three units: substations, transmission lines, and distribution lines. The task of a power grid is to transmit and distribute electrical energy and to change voltage.

[0003] The existing patent publication (announcement) number CN110031669B discloses an ultra-high current monitor, which includes a current transformer and a housing. The current transformer is installed on the outside of the housing, and an ammeter, a controller, an alarm device, a power module, and a knob are installed inside the housing. The signal input terminal of the ammeter is connected to the signal output terminal of the current transformer, the communication terminal of the controller is connected to the communication terminal of the ammeter, the alarm device is connected to the control terminal of the controller, and the power module is connected to the ammeter, the controller, and the alarm device. The knob enables and disables the alarm device.

[0004] The current monitor is powered externally, which means it can only be operated manually and applied to cables that need to be tested, thus turning its monitoring function into a detection function. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, this utility model provides a grid current fixed-point monitoring device, which solves the technical problem that the current monitor needs to be operated manually with an external power supply, causing its monitoring function to become a detection function.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0009] This utility model provides a grid current fixed-point monitoring device, including a current transformer clamped onto a section of cable, an information collection and transmission device disposed on the current transformer, and a power supply component disposed on the current transformer. The power supply component includes a connecting handle vertically disposed at the lower end of the current transformer, an energy storage battery disposed inside the connecting handle, and a solar photovoltaic panel disposed at the lower end of the connecting handle. The solar photovoltaic panel converts light energy into electrical energy when exposed to sunlight and stores it in the energy storage battery. The energy storage battery provides power to the current transformer and the information collection and transmission device. The information collection and transmission device collects the current information monitored by the current transformer and transmits it through an electrical signal.

[0010] This utility model proposes a grid current fixed-point monitoring device. When detecting the current transmitted through a cable, the current transformer is directly clamped and fixed to the cable. The current transformer senses the current inside the cable through the Hall effect and records the sensed information in an information collection and transmission device. At the same time, the information collection and transmission device transmits the collected information as an electrical signal in real time. The solar photovoltaic panel converts the light energy into electrical energy and stores it in an energy storage battery. The energy storage battery provides power to the current transformer and the information collection and transmission device, so that each grid current fixed-point monitoring device can work independently. By arranging the grid current fixed-point monitoring devices evenly at intervals along a long cable, more effective monitoring of the power grid can be achieved.

[0011] Optionally, the solar photovoltaic panels are arranged vertically.

[0012] By setting the solar photovoltaic panels vertically, the probability of rain and snow falling directly onto the surface of the solar photovoltaic panels during rainy or snowy weather is reduced. At the same time, rain and snow that fall on the surface of the solar photovoltaic panels can also slide off quickly, thereby extending the service life of the grid current fixed-point monitoring device.

[0013] Optionally, the solar photovoltaic panel is perpendicular to the extension direction of the cable.

[0014] By setting the solar photovoltaic panels perpendicular to the extension direction of the cable, the impact of wind blowing along the vertical cable extension direction on the entire power grid current fixed-point monitoring device is reduced during windy weather, thus avoiding damage to the power grid current fixed-point monitoring device caused by the rotation of the power grid current fixed-point monitoring device around the cable due to strong winds.

[0015] Optionally, a connecting rod extends obliquely upward from the side end of the connecting handle, and a traveling component is provided at the top of the connecting rod to clamp the cable and drive the current transformer to move along the length of the cable.

[0016] By tilting the connecting rod on the connecting handle, the traveling component on the connecting rod drives the entire power grid current fixed-point monitoring device to move along the length of the cable, making it easier for the power grid current fixed-point monitoring device to monitor different positions on a section of cable.

[0017] Optionally, the walking assembly includes a walking bracket disposed on the top of the connecting rod and two sets of walking pulleys rotatably connected to the walking bracket. The two sets of walking pulleys are respectively pressed against the upper and lower ends of the cable. The peripheral ends of the walking pulleys are provided with grooves for the cable to be partially embedded. The energy storage battery provides electrical energy for the rotation of the walking pulleys.

[0018] The energy storage battery provides power to the two sets of traveling pulleys on the traveling support, which in turn clamp the cable and rotate it. At this time, the upper and lower sides of the cable are respectively embedded in the grooves of the traveling pulleys, which allows the traveling component to move the entire power grid current fixed-point monitoring device along the length of the cable more smoothly and conveniently.

[0019] Optionally, the traveling pulley is provided with a rubber layer on the inner wall of the groove.

[0020] By setting a rubber layer on the inner wall of the groove of the traveling pulley, the friction between the rubber layer and the cable is increased. This improves the stability of the traveling pulley when it travels and reduces the probability of the traveling component rotating around the cable due to external factors.

[0021] Optionally, two connecting rods are provided and distributed on both sides of the connecting handle, and two sets of walking components are provided and located in front of and behind the current transformer respectively.

[0022] By setting two sets of walking components, one in front of the current transformer and one behind it, the two sets of walking components can clean the surface of the cable during the movement of the grid current fixed-point monitoring device driven by the walking components, thereby reducing the impact of external factors on the monitoring of the current transformer.

[0023] Optionally, the two ends of the connecting handle extend upward at an angle with supporting bent rods, and the top of the two supporting bent rods is provided with a shielding canopy located on the upper side of the current transformer.

[0024] By installing support rods that are inclined upwards at both ends of the connecting handle, a shield is provided at the top of the support rods. This shield protects the upper side of the current transformer from rain and snow, thus protecting the current transformer and extending the service life of the monitoring device.

[0025] Optionally, the inner ring of the current transformer is circumferentially and evenly spaced with rollers, and the rotation axis of the rollers is perpendicular to the length direction of the cable.

[0026] By embedding rollers in the inner ring of the current transformer, the current transformer can move more smoothly along the length of the cable, while increasing the frictional force when the current transformer rotates, making the entire monitoring device more stable.

[0027] (III) Beneficial Effects

[0028] The beneficial effects of this utility model are as follows: When the power grid current fixed-point monitoring device of this utility model detects the current transmitted through the cable, the current transformer is directly clamped and fixed to the cable. The current transformer senses the current inside the cable through the Hall effect and records the sensed information in the information collection and transmission device. At the same time, the information collection and transmission device transmits the collected information as an electrical signal in real time. The solar photovoltaic panel converts the light energy into electrical energy and stores it in the energy storage battery. The energy storage battery provides power to the current transformer and the information collection and transmission device, so that each power grid current fixed-point monitoring device can work independently. Furthermore, by arranging the power grid current fixed-point monitoring devices at uniform intervals along a long cable, more effective monitoring of the power grid can be achieved. Attached Figure Description

[0029] Figure 1 This is a perspective view of an embodiment of the present utility model.

[0030] [Explanation of Labels in the Attached Image]

[0031] 1. Current transformer; 11. Roller; 2. Information collection and transmission device; 3. Power supply component; 31. Connecting handle; 32. Energy storage battery; 33. Solar photovoltaic panel; 34. Connecting rod; 35. Supporting bent rod; 4. Walking component; 41. Walking bracket; 42. Walking pulley; 411. Slide groove; 422. Rubber layer; 5. Shelter. Detailed Implementation

[0032] To better explain and facilitate understanding of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0033] The grid current fixed-point monitoring device proposed in this embodiment detects the current transmitted through a cable. The current transformer is directly clamped to the cable. The current transformer senses the current inside the cable through the Hall effect and records the sensed information in an information collection and transmission device. Simultaneously, the information collection and transmission device transmits the collected information as a real-time electrical signal. Solar photovoltaic panels convert light energy into electrical energy, which is stored in an energy storage battery. The energy storage battery provides power to the current transformer and the information collection and transmission device, allowing each grid current fixed-point monitoring device to operate independently. Furthermore, by evenly spaced grid current fixed-point monitoring devices along a long cable, more effective monitoring of the power grid is achieved.

[0034] To better understand the above technical solutions, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that the present invention can be understood more clearly and thoroughly, and that the scope of the present invention can be fully conveyed to those skilled in the art.

[0035] Reference Figure 1 A grid current fixed-point monitoring device includes a current transformer 1 with a clamp fitted on a section of cable, an information collection and transmission device 2 integrally set on the side of the current transformer 1, and a power supply component 3 set on the current transformer 1.

[0036] The power supply component 3 includes a connection handle 31 that is vertically fixed to the lower end of the current transformer 1 by bolts, an energy storage battery 32 built into the connection handle 31, and a solar photovoltaic panel 33 that is fixed to the lower end of the connection handle 31 by bolts.

[0037] Solar photovoltaic panels 33 convert sunlight into electrical energy and store it in energy storage batteries 32. Energy storage batteries 32 provide power to current transformers 1 and information collection and transmission devices 2. Information collection and transmission devices 2 collect the current information monitored by current transformers 1 and transmit it as an electrical signal. Current transformers 1 sense the current inside the cable through the Hall effect and record the sensed information in information collection and transmission devices 2. Simultaneously, information collection and transmission devices 2 transmit the collected information as a real-time electrical signal. Solar photovoltaic panels 33 convert sunlight into electrical energy and store it in energy storage batteries 32, which in turn provide power to current transformers 1 and information collection and transmission devices 2. This allows each grid current monitoring device to operate independently. Furthermore, by evenly spaced grid current monitoring devices along a long cable, more effective monitoring of the power grid can be achieved.

[0038] The solar photovoltaic panels 33 are arranged vertically. This reduces the likelihood of rain and snow falling directly onto the surface of the solar photovoltaic panels 33 during rainy or snowy weather, and also allows rain and snow that fall onto the surface of the solar photovoltaic panels 33 to slide off quickly. The solar photovoltaic panels 33 are perpendicular to the extension direction of the cable, which reduces the impact of wind blowing along the vertical extension direction of the cable on the entire power grid current fixed-point monitoring device during windy weather.

[0039] A connecting rod 34 extends integrally and upwardly from the side of the connecting handle 31. A traveling assembly 4, which clamps the cable and drives the current transformer 1 to move along the cable length, is located on the top of the connecting rod 34. The traveling assembly 4 includes a traveling bracket 41 mounted on the top of the connecting rod 34 and two sets of traveling pulleys 42 driven by a motor and rotatably connected to the traveling bracket 41. The two sets of traveling pulleys 42 are respectively pressed against the upper and lower ends of the cable. The peripheral ends of the traveling pulleys 42 have grooves 411 for the cable to be partially embedded. The energy storage battery 32 provides power for the rotation of the traveling pulleys 42. This allows the two sets of traveling pulleys 42 to clamp and rotate the cable. At this time, the upper and lower sides of the cable are respectively embedded in the grooves 411 of the traveling pulleys 42, thus enabling the traveling assembly 4 to more smoothly drive the entire power grid current fixed-point monitoring device to move along the cable length, making it more convenient for the power grid current fixed-point monitoring device to monitor different positions on a section of cable.

[0040] The inner wall of the sliding groove 411 of the traveling pulley 42 is coated with a rubber layer 422. The rubber layer 422 increases the friction between the pulley and the cable, which on the one hand improves the stability of the traveling pulley 42 when it moves, and on the other hand reduces the probability of the traveling assembly 4 rotating around the cable due to external factors.

[0041] Two connecting rods 34 are provided and distributed on both sides of the connecting handle 31. Two sets of traveling components 4 are provided and located one in front of and one behind the current transformer 1, respectively. The two sets of traveling components 4 can clean the surface of the cable during travel, reducing the impact of external factors on the monitoring of the current transformer 1.

[0042] The inner ring of the current transformer 1 is fitted with rollers 11 that are evenly spaced around its circumference. The axis of rotation of the rollers 11 is perpendicular to the length of the cable. This allows the current transformer 1 to move more smoothly along the length of the cable, while also increasing the frictional force when the current transformer 1 rotates, thus enabling the entire monitoring device to perform monitoring more stably.

[0043] The two ends of the connecting handle 31 extend upward at an angle with supporting bent rods 35. The top of the two supporting bent rods 35 is provided with a shield 5 located on the upper side of the current transformer 1. By shielding the upper side of the current transformer 1, the shield can be provided in rainy or snowy weather to protect the current transformer 1 and extend the service life of the monitoring device.

[0044] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0045] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0046] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0047] In the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0048] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A power grid current fixed-point monitoring device, characterized in that: The device includes a current transformer (1) with a clamp fitted onto a section of cable, an information collection and transmission device (2) mounted on the current transformer (1), and a power supply assembly (3) mounted on the current transformer (1). The power supply assembly (3) includes a connecting handle (31) vertically mounted at the lower end of the current transformer (1), an energy storage battery (32) mounted inside the connecting handle (31), and a solar photovoltaic panel (33) mounted at the lower end of the connecting handle (31). The solar photovoltaic panel (33) converts light energy into electrical energy when exposed to sunlight and stores it in the energy storage battery (32). The energy storage battery (32) provides electrical energy to the current transformer (1) and the information collection and transmission device (2). The information collection and transmission device (2) collects the current information monitored by the current transformer (1) and transmits it through an electrical signal.

2. The grid current fixed-point monitoring device as described in claim 1, characterized in that: The solar photovoltaic panels (33) are arranged vertically.

3. The grid current fixed-point monitoring device as described in claim 2, characterized in that: The solar photovoltaic panel (33) is perpendicular to the extension direction of the cable.

4. The grid current fixed-point monitoring device as described in claim 1, characterized in that: The connecting handle (31) has a connecting rod (34) extending upward at its side end. The top of the connecting rod (34) is provided with a traveling component (4) that clamps the cable and drives the current transformer (1) to move along the length of the cable.

5. The grid current fixed-point monitoring device as described in claim 4, characterized in that: The walking assembly (4) includes a walking bracket (41) disposed on the top of the connecting rod (34) and two sets of walking pulleys (42) rotatably connected to the walking bracket (41). The two sets of walking pulleys (42) are respectively pressed against the upper and lower ends of the cable. The peripheral end of the walking pulley (42) is provided with a groove (411) for the cable to be partially embedded. The energy storage battery (32) provides electrical energy for the rotation of the walking pulley (42).

6. The grid current fixed-point monitoring device as described in claim 5, characterized in that: The walking pulley (42) has a rubber layer (422) on the inner wall of the groove (411).

7. The grid current fixed-point monitoring device as described in claim 4, characterized in that: Two connecting rods (34) are provided and distributed on both sides of the connecting handle (31), and two sets of walking components (4) are provided and located in front of and behind the current transformer (1).

8. The grid current fixed-point monitoring device as described in claim 1, characterized in that: The connecting handle (31) has two inclined upward extensions of support rods (35), and the top of the two support rods (35) is provided with a shield (5) located on the upper side of the current transformer (1).

9. The grid current fixed-point monitoring device as described in claim 1, characterized in that: The current transformer (1) has rollers (11) that are evenly spaced and rolled around its inner ring. The axis of rotation of the rollers (11) is perpendicular to the length of the cable.

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