Online monitoring device for abnormal working condition of distribution transformer

By designing a support plate, a cooling fan, and a data transmission component on the distribution transformer, the problem of the lack of sensors and remote monitoring in traditional devices is solved, enabling real-time monitoring and remote transmission of multiple sets of data from the transformer, thus improving the accuracy and efficiency of monitoring.

CN223711745UActive Publication Date: 2025-12-23潘亦睿
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520247922.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-12-23
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

Traditional online monitoring devices for abnormal operating conditions of distribution transformers lack multiple sensor monitoring components and remote monitoring components, resulting in insufficient monitoring accuracy and the inability to monitor the operating status of multiple transformers simultaneously.

Method used

An online monitoring device for abnormal operating conditions of distribution transformers was designed, comprising a support plate, a cooling fan, a data transmission component, and an extension antenna. The support plate connects to wires and monitors voltage and current, the cooling fan monitors temperature, the data transmission component collects and transmits data, and the extension antenna adjusts the monitoring range, enabling simultaneous monitoring of multiple transformers.

Benefits of technology

It enables the monitoring of multiple sets of transformer data, including real-time detection of voltage, current and temperature, supports remote signal transmission, and improves the accuracy and efficiency of monitoring.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223711745U_ABST
    Figure CN223711745U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of electrical engineering and power distribution operation inspection, in particular to an online monitoring device for abnormal working conditions of a distribution transformer, which comprises a transformer main body, a supporting bottom plate is arranged on the lower side of the bottom end of the transformer main body, and an upper protection plate is arranged right above the middle part of the upper end of the transformer main body; the middle of the side surface of each supporting bottom plate is connected with a set of supporting transverse plates. The improved online monitoring device for the abnormal working condition of the distribution transformer is provided with a supporting transverse plate and a cooling fan, the supporting transverse plate is connected to the middle of a groove in the outer side of a transformer body, and connecting wires around the transformer are bound in a protection hose through an arc-shaped wire binding plate through the protection hose; and voltage and current values are detected through a voltage and current measuring assembly in a rectangular groove in the surface of the end part of a supporting transverse plate, and meanwhile, the temperature of a heat dissipation part when the transformer works is detected through a heat dissipation fan on the upper side of the transformer main body, so that monitoring on multiple groups of data of the transformer main body is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical engineering and power distribution operation inspection technical field, concretely is a kind of power distribution transformer abnormal operating condition on-line monitoring device. BACKGROUND

[0002] In power supply and distribution system, power distribution transformer as the bridge and link of power transmission, plays a decisive role to the safe and stable operation of power system, but due to the continuous increase of power load, the management task of power distribution transformer becomes more and more heavy;

[0003] When transformer component appears malignant failure, the development of power distribution transformer operating state monitoring technology plays an important role in improving operation reliability and power level, then needs to observe the working condition inside transformer in real time through monitoring technology.

[0004] The inventor found that the prior art has the following problems in the process of realizing the utility model: 1, the conventional power distribution transformer abnormal operating condition on-line monitoring device needs to monitor the normal working condition of transformer through multiple factors in the process of operation and inspection, so as to provide multiple analysis data for users, and then more accurately judge the working condition of transformer;2, in the monitoring process of conventional power distribution transformer abnormal operating condition on-line monitoring device, remote signal transmission assembly is needed to ensure that workers can monitor the working condition of multiple transformers in the region at the same time. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of power distribution transformer abnormal operating condition on-line monitoring device to solve the problems that conventional power distribution transformer abnormal operating condition on-line monitoring device lacks multiple sensor monitoring components and lacks remote monitoring components in the above background art.To achieve the above purpose, the utility model provides the following technical scheme: a kind of power distribution transformer abnormal operating condition on-line monitoring device, including transformer main body, the bottom end lower side of transformer main body is provided with support base plate, and the upper end middle part of transformer main body is provided with upper protection plate directly above, the side surface middle part of support base plate is connected with a group of support cross plates, and the bottom end four corners middle part of transformer main body is connected with a group of support fixed components;

[0006] The upper end middle part of the upper protection plate is provided with a rectangular through slot, and a group of data sending components are arranged on the inner side of the rectangular through slot of the upper protection plate, four groups of rectangular grooves are arranged at equal intervals on the upper end surface of the data sending component, and a group of sending antennas are arranged in the rectangular grooves, a group of extension antennas are arranged in the front end middle part of the sending antenna through the circular groove, and the rear end of the sending antenna is connected with an elastic rotating shaft through the slot.

[0007] The inner side bottom end surface of the upper protection plate is connected with a group of fixed bolt assemblies in the middle of the four corners, and the upper end surface of the transformer body is connected with a group of cooling fans in the middle, and the bottom end of the cooling fan is connected with a group of ventilation mesh plates.

[0008] The middle of the support cross plate is provided with a group of circular through grooves at equal intervals, and the through grooves of the support cross plate are connected with a group of protection hoses at the end.

[0009] The bottom end of the protection hose is connected with a group of bearing connecting rings on the outer surface of the outer ring, and the bottom end of the bearing connecting ring is provided with a rotating ring, and the bottom end of the rotating ring is connected with a group of fixed threaded rings in the middle.

[0010] Further preferably, the bottom end of the fixed bolt assembly is provided with a circular threaded groove, and the bottom end of the fixed bolt assembly is fixedly clamped in the circular groove at the upper end surface of the transformer body through the bolt, and the upper end of the fixed bolt assembly is fixed to the inner side of the bottom end surface of the upper protection plate.

[0011] Further preferably, the middle of the ventilation mesh plate is provided with a group of ventilation grooves on the left and right sides, and the outer surface of the ventilation mesh plate is sealingly fixed to the middle of the upper end surface of the transformer body, and the bottom end of the cooling fan is fixed to the upper side surface of the ventilation mesh plate.

[0012] Further preferably, the side surface of the data sending assembly is fixed to the inner wall of the middle of the rectangular groove of the upper protection plate through the bolt at the bottom end, and the left and right ends of the elastic rotating shaft are fixed to the back side of the inner wall of the upper end rectangular groove of the data sending assembly, and the bottom end of the sending antenna is connected to the middle of the outer surface of the elastic rotating shaft through the torsion spring.

[0013] Further preferably, the bottom end of the sending antenna is connected to the inner side of the connecting port of the data sending assembly through the data line, and the outer surface of the extension antenna is slidingly connected to the inner wall of the front circular groove of the sending antenna, and the rear end of the extension antenna is connected to the back side of the circular groove of the sending antenna through the spring.

[0014] Further preferably, the support horizontal plate is fixed to the middle part of the outer surface of the transformer body through bolts near the side surface of the outer surface of the transformer body, and the end part of the voltage and current measuring assembly is fixed to the inner wall of the rectangular groove of the support horizontal plate, and the arc-shaped wire board is connected to the inner wall of the circular groove of the support horizontal plate through spring telescopic rods near the middle part of the arc surface of the side of the inner wall of the circular groove of the support horizontal plate.

[0015] Further preferably, the inner surface of the bearing connecting ring is fixed to the end surface of the bottom end of the protection hose, and the outer bottom end surface of the bearing connecting ring is bearing-connected to the inner surface of the upper end of the rotating circular ring, and the upper end of the fixed threaded ring is fixed to the inner wall of the bottom end of the rotating circular ring, and the outer surface of the fixed threaded ring is threadedly connected to the inner wall of the circular groove of the upper surface of the support bottom plate.

[0016] Compared with the prior art, the utility model has the advantages of:

[0017] In the utility model, the support horizontal plate and the heat dissipation fan are arranged, the support horizontal plate is connected in the middle part of the outer groove of the transformer body, the connecting wires around the transformer are bound in the inside of the protection hose through the arc-shaped wire board through the protection hose, the voltage and current values are detected through the voltage and current measuring assembly in the rectangular groove of the end surface of the support horizontal plate, the temperature of the heat dissipation part during the operation of the transformer is detected through the heat dissipation fan on the upper side of the transformer body, and multiple groups of data of the transformer body are monitored.

[0018] In the utility model, the data sending assembly and the extension antenna are arranged, a group of data sending assemblies are fixed in the middle part of the upper protection plate through slotting, the data of the monitoring assembly can be gathered to the control panel in the inside of the data sending assembly, the transmission to the main control terminal is realized through the sending antenna in the upper end groove, and the length and the angle can be adjusted through the extension antenna and the elastic rotating shaft, so that the working personnel can monitor the working condition data of multiple transformers simultaneously. ACCURACY

[0019] Figure 1 It is an overall structure schematic view of the utility model;

[0020] Figure 2 It is an enlarged structure schematic view of the upper protection plate of the utility model;

[0021] Figure 3 It is an enlarged structure schematic view of the data sending assembly of the utility model;

[0022] Figure 4 It is an enlarged structure schematic view of the support horizontal plate of the utility model;

[0023] Figure 5The utility model discloses rotating circular ring amplification structure schematic diagram.

[0024] In the drawing: 1, transformer main body;2, support bottom plate;3, upper protection board;4, support fixed assembly;5, data sending assembly;6, support cross plate;7, protection hose;8, cooling fan;9, ventilation net plate;10, fixed bolt assembly;11, sending antenna;12, extension antenna;13, elastic rotating shaft;14, arc beam line plate;15, voltage current measurement assembly;16, bearing connecting ring;17, rotating circular ring;18, fixed screw ring. DETAILED DESCRIPTION

[0025] The utility model discloses rotating circular ring amplification structure schematic diagram.

[0026] Please refer to Figures 1 to 5 The utility model provides a kind of technical scheme: a power distribution transformer abnormal condition on-line monitoring device, including transformer main body 1, the bottom end downside of transformer main body 1 is provided with support bottom plate 2, and the upper end middle part of transformer main body 1 is provided with upper protection board 3 directly above, the side surface middle part of support bottom plate 2 is connected with a group of support cross plate 6, and the bottom end four corners middle part of transformer main body 1 is connected with a group of support fixed assembly 4;

[0027] The upper end middle part of upper protection board 3 is provided with rectangular through groove, and the inner side of the rectangular through groove of upper protection board 3 is provided with a group of data sending assembly 5, the upper end surface of data sending assembly 5 is provided with four groups of rectangular recesses at equal intervals, and the inner side of rectangular recess is provided with a group of sending antenna 11, the front end middle part of sending antenna 11 is provided with a group of extension antenna 12 by setting circular recess, and the rear end of sending antenna 11 is connected with elastic rotating shaft 13 by slot connection;

[0028] The inner side bottom end surface four corners middle part of upper protection board 3 is connected with a group of fixed bolt assembly 10, and the upper end surface middle part of transformer main body 1 is connected with a group of cooling fan 8, and the bottom end of cooling fan 8 is connected with a group of ventilation net plate 9.

[0029] The middle part of support cross plate 6 is provided with a group of circular through groove at equal intervals, and the through groove end of support cross plate 6 is connected with a group of protection hose 7, and the circular groove inner side of support cross plate 6 is connected with a group of arc beam line plate 14, and the side surface of support cross plate 6 close to transformer main body 1 is connected with a group of voltage current measurement assembly 15 by setting rectangular recess;

[0030] The outer surface of the bottom end of the protective hose 7 is connected with a group of bearing connecting rings 16, and the bottom end of the bearing connecting ring 16 is provided with a rotating ring 17, and the bottom end of the rotating ring 17 is connected with a group of fixed threaded rings 18.

[0031] In this embodiment, as shown in the figure, Figure 2 The bottom end of the fixed bolt assembly 10 is provided with a circular threaded groove, and the bottom end of the fixed bolt assembly 10 is fixedly clamped in the upper end surface four-corner end circular groove of the transformer body 1, and the upper end of the fixed bolt assembly 10 is fixed to the inner bottom surface four-corner middle of the upper protective plate 3; a group of fixed bolt assemblies 10 are connected on the upper side of the transformer body 1 to fix the upper protective plate 3 on the upper end surface of the transformer body 1.

[0032] In this embodiment, as shown in the figure, Figure 2 The middle left and right sides of the ventilation net plate 9 are provided with a group of ventilation grooves, and the outer surface of the ventilation net plate 9 is sealingly fixed to the middle part of the upper end surface of the transformer body 1, and the bottom end of the cooling fan 8 is fixed to the upper surface of the ventilation net plate 9; the cooling fan 8 and the ventilation net plate 9 are arranged on the upper side of the transformer body 1 to monitor the temperature during heat dissipation of the transformer body 1.

[0033] In this embodiment, as shown in the figure, Figure 3 The bottom middle of the side surface of the data sending assembly 5 is fixedly connected to the bottom middle of the inner wall of the middle rectangular groove of the upper protective plate 3 by bolts, and the left and right ends of the elastic rotating shaft 13 are fixed to the rear side of the upper end rectangular groove inner wall of the data sending assembly 5, and the bottom middle of the sending antenna 11 is connected to the middle outer surface of the elastic rotating shaft 13 through the slot by the torsion spring; the rectangular groove is arranged on the upper side of the data sending assembly 5, so that the end of the sending antenna 11 can be rotatably connected in the groove of the data sending assembly 5 through the elastic rotating shaft 13.

[0034] In this embodiment, as shown in the figure, Figure 3 The bottom end of the sending antenna 11 is connected to the inner side connecting port of the data sending assembly 5 through the data line, and the outer surface of the extension antenna 12 is slidingly connected to the inner wall of the front circular groove of the sending antenna 11, and the rear end of the extension antenna 12 is connected to the rear side of the circular groove inner wall of the sending antenna 11 through the spring; the extension antenna 12 is slidingly connected in the slot on the upper end of the sending antenna 11 to adjust the coverage range of the transmitting end.

[0035] In this embodiment, as shown in the figure, Figure 4As shown in the drawings, the support horizontal plate 6 is fixed to the middle part of the outer surface of the transformer body 1 on the side surface close to the outer surface of the transformer body 1, and the end of the voltage and current measuring assembly 15 is fixed to the inner wall of the rectangular groove of the support horizontal plate 6, and the arc-shaped wire board 14 is connected to the inner wall of the circular groove of the support horizontal plate 6 through the spring telescopic rod on the middle part of the arc surface close to the inner wall of the circular groove of the support horizontal plate 6.

[0036] In the embodiment, as shown in the drawings, Figure 5 As shown in the drawings, the inner surface of the bearing connecting ring 16 is fixed to the bottom end surface of the protective hose 7, and the outer bottom end surface of the bearing connecting ring 16 is bearing-connected to the upper end inner surface of the rotating circular ring 17, and the upper end of the fixed threaded ring 18 is fixed to the inner wall bottom end of the rotating circular ring 17, and the outer surface of the fixed threaded ring 18 is threadedly connected to the upper surface circular groove inner wall of the support bottom plate 2.

[0037] The use method and advantages of the utility model are as follows:

[0038] As shown in the drawings, Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 First, the user fixes the transformer body 1 in the working position through the support bottom plate 2 and the support fixing assembly 4, and rotates the transmitting antenna 11 in the groove of the data transmitting assembly 5, so that the transmitting antenna 11 rotates and adjusts the angle around the elastic rotating shaft 13, and the extending antenna 12 is pulled to extend the coverage range through the characteristic that the inner wall cross section diameter of the transmitting antenna 11 gradually decreases.

[0039] The bottom end of the upper protection plate 3 is fixed in the circular groove inside the upper end four corner end parts of the transformer body 1 through the fixed bolt assembly 10, the transformer body 1 is cooled through the heat dissipation fan 8 and the ventilation net plate 9, and the temperature is monitored through the sensor inside the heat dissipation fan 8.

[0040] The connecting electric wire outside the transformer body 1 can be penetrated in the inside of the protection hose 7, is bound through the arc-shaped beam plate 14 in the inside of the round groove of the support transverse plate 6, and the voltage and current value of the electric wire can be monitored through the voltage and current measuring assembly 15, and the bottom end of the protection hose 7 is locked and engaged in the inside of the upper surface round groove of the transformer body 1 through the screw thread structure of the rotating ring 17 rotating driven fixed screw ring 18 of the bottom end of the bearing connecting ring 16.

[0041] The basic principle, main features and advantages of the present application are shown and described above. The skilled person in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An online monitoring device for abnormal operating conditions of a distribution transformer, comprising a transformer body (1), characterized in that: A support base plate (2) is provided on the lower side of the bottom end of the transformer body (1), and an upper protective plate (3) is provided directly above the middle of the upper end of the transformer body (1). A set of support horizontal plates (6) are connected to the middle of the side surface of the support base plate (2), and a set of support fixing components (4) are connected to the middle of the four corners of the bottom end of the transformer body (1). The upper protective plate (3) has a rectangular through slot in the middle of its upper end, and a set of data transmission components (5) is provided inside the rectangular through slot of the upper protective plate (3). The upper surface of the data transmission components (5) has four sets of rectangular grooves at equal intervals, and a set of transmitting antennas (11) is provided inside each rectangular groove. The front end of the transmitting antenna (11) has a set of extension antennas (12) provided through a circular groove, and the rear end of the transmitting antenna (11) has a slot connected to an elastic rotating shaft (13). A set of fixing bolt assemblies (10) are connected to the middle of the four corners of the inner bottom surface of the upper protective plate (3), and a set of cooling fans (8) is connected to the middle of the upper surface of the transformer body (1), and a set of ventilation mesh plates (9) is connected to the bottom end of the cooling fans (8). The middle part of the support plate (6) is provided with a set of circular through slots at equal intervals, and the end of the through slot of the support plate (6) is connected to a set of protective hoses (7). The inner side of the circular slot of the support plate (6) is connected to a set of arc-shaped wire harness plates (14), and the side surface of the support plate (6) close to the transformer body (1) is connected to a set of voltage and current measuring components (15) through a rectangular groove. The outer ring surface of the bottom end of the protective hose (7) is connected to a set of bearing connecting rings (16), and the bottom end of the bearing connecting rings (16) is provided with a rotating ring (17), and the inner middle of the bottom end of the rotating ring (17) is connected to a set of fixed threaded rings (18).

2. The online monitoring device for abnormal operating conditions of a distribution transformer according to claim 1, characterized in that: The bottom end of each of the fixing bolt assemblies (10) is provided with a circular threaded groove, and the bottom end of each of the fixing bolt assemblies (10) is fixed and engaged with the four corner circular grooves on the upper surface of the transformer body (1) by bolts. The upper end of each of the fixing bolt assemblies (10) is fixed to the middle of the four corners of the inner bottom surface of the upper protective plate (3).

3. The online monitoring device for abnormal operating conditions of a distribution transformer according to claim 1, characterized in that: A set of ventilation grooves is provided on both the left and right sides of the middle part of the ventilation mesh plate (9), and the outer surface of the ventilation mesh plate (9) is sealed and fixed to the middle of the upper surface of the transformer body (1), and the bottom end of the heat dissipation fan (8) is fixed to the upper surface of the ventilation mesh plate (9).

4. The online monitoring device for abnormal operating conditions of a distribution transformer according to claim 1, characterized in that: The bottom center of the side surface of the data transmission component (5) is fixed to the bottom center of the rectangular groove in the middle of the upper protective plate (3) by bolts. The left and right ends of the elastic rotating shaft (13) are fixed to the rear side of the upper rectangular groove in the data transmission component (5). The bottom center of the transmitting antenna (11) is slotted and rotatably connected to the outer surface of the middle of the elastic rotating shaft (13) by torsion spring.

5. The online monitoring device for abnormal operating conditions of a distribution transformer according to claim 1, characterized in that: The bottom end of the transmitting antenna (11) is connected to the inner connection port of the data transmitting component (5) via a data line, and the outer surface of the extension antenna (12) is slidably connected to the inner wall of the front circular groove of the transmitting antenna (11), and the rear end of the extension antenna (12) is connected to the rear side of the inner wall of the circular groove of the transmitting antenna (11) via a spring.

6. The online monitoring device for abnormal operating conditions of a distribution transformer according to claim 1, characterized in that: The side surface of the support plate (6) near the outer surface of the transformer body (1) is fixed to the middle of the outer surface of the transformer body (1) by bolts, and the ends of the voltage and current measuring components (15) are fixed to the inner wall of the rectangular groove of the support plate (6). The arc-shaped wire harness plate (14) near the inner wall of the circular groove of the support plate (6) is connected to the middle of the left and right sides of the inner wall of the circular groove of the support plate (6) by spring telescopic rods.

7. The online monitoring device for abnormal operating conditions of a distribution transformer according to claim 1, characterized in that: The inner surface of the bearing connecting ring (16) is fixed to the bottom end surface of the protective hose (7), and the outer bottom end surface of the bearing connecting ring (16) is connected to the upper inner surface of the rotating ring (17). The upper end of the fixed threaded ring (18) is fixed to the inner bottom end of the rotating ring (17), and the outer surface of the fixed threaded ring (18) is threaded to the inner wall of the groove on the upper surface of the support base plate (2).