CN219956819U - Box transformer conducting rod oil seepage monitoring device - Google Patents

Abstract

The utility model provides an oil seepage monitoring device for a conducting rod of a box-type transformer, which relates to the technical field of oil seepage monitoring devices and aims to realize an oil seepage monitoring device for effectively and timely monitoring oil leakage conditions, wherein the device is arranged below the conducting rod of the box-type transformer and comprises a data processing module, a flow guiding block, an oil collecting box, a liquid sensor and a pressure sensor; the flow guide block is arranged below the wall of the box body penetrated by the conducting rod, the bottom end of the flow guide block is aligned with the opening at the top of the oil collecting box, and the bottom of the oil collecting box is provided with a liquid sensor; the bottom of the oil collecting box is provided with a pressure sensor; the pressure sensor and the liquid sensor are respectively connected to the data processing module. The device has the advantages of reducing the cost of manual monitoring, reducing the labor intensity of personnel and finding the oil leakage condition in time.

Description

Box transformer conducting rod oil seepage monitoring device

Technical Field

The utility model relates to the technical field of oil seepage monitoring devices, in particular to an oil seepage monitoring device for a conductive rod of a box-type transformer.

Background

Most of box transformers are oil immersed transformers, i.e. transformer tanks are filled with transformer oil. The transformer mainly has the functions of insulation, heat dissipation, arc extinction and the like of components such as a transformer winding, an iron core and the like, and plays an important role in safe and reliable operation of the transformer.

The oil leakage of the transformer which runs for a long time is unavoidable, and the oil leakage of the transformer is generally generated and cannot be treated in a power failure, but when the oil leakage rapidly develops to a large amount of oil leakage, the safe running of the transformer can be endangered, and the transformer needs to be treated in time. Because the manual inspection and monitoring labor intensity is high, a large amount of manpower and material resources are consumed, on the other hand, the phenomenon of oil leakage can not be found in time by the mode of the manual inspection and monitoring, and the phenomenon of oil leakage of the transformer can possibly be caused, and the operation safety is not found to be endangered.

In order to better monitor the oil leakage condition of the box-type transformer and save human resources, a device capable of effectively and timely monitoring the oil leakage condition needs to be designed.

Disclosure of Invention

The utility model aims to provide an oil seepage monitoring device for a conducting rod of a box-type transformer, and aims to realize the oil seepage monitoring device for effectively and timely monitoring the oil leakage condition.

The embodiment of the utility model is realized by the following technical scheme:

the device is arranged below the conducting rod of the box-type transformer and comprises a data processing module, a flow guide block, an oil collecting box, a liquid sensor and a pressure sensor;

the flow guide block is arranged below the wall of the box body penetrated by the conducting rod, the bottom end of the flow guide block is aligned with the opening at the top of the oil collecting box, and the bottom of the oil collecting box is provided with a liquid sensor;

the bottom of the oil collecting box is provided with the pressure sensor;

the pressure sensor and the liquid sensor are respectively connected to a data processing module.

Preferably, the guide block is of a cone structure, the top surface of the guide block is round and arranged at the bottom of the wall of the box body penetrated by the conducting rod, a guide channel is arranged in the guide block, an inflow port of the guide channel is arranged at the top surface of the guide block, an outflow port of the guide channel is arranged at the bottom of the guide block, and the guide block is vertically arranged.

Preferably, the top surface of the flow guiding block is an inclined surface, and the inclined surface is inclined from the edge to the inflow port of the flow guiding channel.

Preferably, the inflow port of the diversion channel is arranged at the geometric center of the top surface of the diversion block.

Preferably, the liquid sensor is a capacitive liquid sensor.

Preferably, the pressure sensor further comprises a monitoring device bottom plate, and the monitoring device bottom plate is arranged at the bottom of the pressure sensor.

Preferably, the data processing module comprises a data preprocessing module and a control module;

the liquid sensor and the pressure sensor are respectively connected to the control module through a data preprocessing module;

the data preprocessing module comprises an amplifier, a filtering module and an analog-to-digital converter which are sequentially connected.

The technical scheme of the embodiment of the utility model has at least the following advantages and beneficial effects:

according to the utility model, leaked oil can be timely and effectively guided and collected through the guide block, and oil leakage monitoring can be realized without consuming manpower;

according to the utility model, the pressure sensor and the liquid sensor are used for monitoring simultaneously, so that on one hand, the accuracy of oil leakage monitoring can be improved, and on the other hand, the detailed state of oil leakage can be monitored;

the top of the guide block is provided with the inclined plane, so that leaked oil can be better guided to flow into the oil collecting box;

according to the utility model, the data collected by the sensor is amplified, filtered and the like through the data preprocessing module, so that the reliability of the monitoring data is improved;

the utility model has simple structure, easy realization, timely and effective oil leakage monitoring, manpower resource saving, high cost performance and easy batch production and popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a device for monitoring oil leakage of a conducting rod of a box-type transformer;

fig. 2 is a schematic diagram of a data processing module according to embodiment 4 of the present utility model.

Reference numerals: 101-monitoring device bottom plate, 102-oil collecting box, 103-pressure sensor, 104-liquid sensor, 105-guide block, 106-guide channel, 107-the box wall that the conducting rod passed.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which a product of the application is conventionally put in use, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The embodiment provides an oil seepage monitoring device for a conducting rod of a box-type transformer, which is arranged below the conducting rod of the box-type transformer, and referring to fig. 1, comprises a data processing module, a flow guiding block 105, an oil collecting box 102, a liquid sensor 104 and a pressure sensor 103;

the flow guide block 105 is arranged below a box body wall 107 through which the conducting rod passes, the bottom end of the flow guide block 105 is aligned with an opening at the top of the oil collecting box 102, and a liquid sensor 104 is arranged at the bottom of the oil collecting box 102;

the bottom of the oil collecting box 102 is provided with the pressure sensor 103;

the pressure sensor 103 and the liquid sensor 104 are connected to a data processing module, respectively.

As a preferred embodiment, the liquid sensor 104 is a capacitive liquid sensor.

The working mode of the utility model is as follows:

when oil seepage occurs in the box-type transformer of the monitored object, the flow guiding block 105 at the bottom of the box body is used for guiding and draining the leaked oil into the oil collecting box 102. The bottom of the oil collecting box 102 is provided with the liquid sensor 104, a capacitive liquid sensor is adopted here, when leaked oil enters the oil collecting box 102 to cover the capacitive liquid sensor, the capacitance of the surface of the capacitive liquid sensor can be changed, whether the surface of the capacitive liquid sensor has oil or not can be monitored through the change of the capacitance of the capacitive liquid sensor, and whether the leakage phenomenon exists or not can be judged.

In addition, the pressure sensor 103 at the bottom of the oil collecting box 102 can monitor the pressure value at the whole top, when the data collected by the pressure sensor 103 changes, the oil seepage speed can be calculated by utilizing the collected data of the pressure sensor 103, the calculation formula is the change amount of the weight in the oil collecting box 102 in unit time, and the average dropping speed of the hydraulic oil is finally calculated by dividing the change amount by the weight of the single drop of the oil, so that the severity of the oil seepage condition is judged.

The monitoring data of the two sensors of the whole device can be processed and judged through the data processing module, and can be transmitted to the far end, different remote alarms are carried out when oil seepage and severe oil seepage occur, workers are prompted to patrol, the labor monitoring cost can be effectively reduced, the labor intensity of the workers is reduced, the speed of discovering the oil seepage and oil leakage conditions is reduced through the working mechanism, and the safe operation of the box-type transformer is ensured.

Example 2

The present embodiment is based on the technical solution of embodiment 1, and referring to fig. 1, the flow guiding block 105 is further described.

As a preferred solution of this embodiment, the flow guiding block 105 is of a cone structure, the top surface of the flow guiding block is circular and is arranged at the bottom of the wall 107 of the box body through which the conductive rod passes, a flow guiding channel 106 is arranged inside the flow guiding block 105, an inflow port of the flow guiding channel 106 is arranged at the top surface of the flow guiding block 105, an outflow port is arranged at the bottom of the flow guiding block 105, and the flow guiding block 105 is vertically arranged.

Here, the guide block 105 has a cone structure, and its top surface is a circular surface for covering the bottom of the tank to the maximum extent, so as to guide the exuded oil conveniently. On the other hand, in order to better guide the leaked oil to flow down along the diversion channel 106, the top surface of the diversion block 105 is inclined surface, and the edge of the diversion block is inclined to the inflow port of the diversion channel 106, so that the leaked oil at any position can flow to the inflow port of the diversion channel 106 along the inclined surface.

Further, the inflow port of the guide passage 106 is disposed at the geometric center of the top surface of the guide block 105.

Example 3

The embodiment is based on the technical solution of embodiment 1, referring to fig. 1, and further optimizes the monitoring device.

In this embodiment, the monitoring device base plate 101 is further included, and the monitoring device base plate 101 is disposed at the bottom of the pressure sensor 103, and is used as a base plate to support the whole leakage monitoring device.

Example 4

The embodiment is based on the technical solution of embodiment 1, referring to fig. 1, and further optimizes the monitoring device.

In this embodiment, the data processing module includes a data preprocessing module and a control module;

the liquid sensor 104 and the pressure sensor 103 are respectively connected to the control module through a data preprocessing module;

the data preprocessing module comprises an amplifier, a filtering module and an analog-to-digital converter which are sequentially connected.

Because the analog signals collected by the pressure sensor 103 and the liquid sensor 104 have small amplitude and are easy to interfere, the signals collected by the two sensors are amplified by an amplifier and filtered by a pass filtering module respectively, then are converted into digital signals by an analog-to-digital converter, measures such as sampling and holding can be taken on the signals during conversion, and finally the signals are processed by a control module which can adopt a singlechip, a PLC and the like, and the control module performs data analysis and respectively sends out different remote alarms when leakage and severe leakage occur.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a box transformer conducting rod oil seepage monitoring devices, device setting is in box transformer conducting rod's below, its characterized in that: the device comprises a data processing module, a flow guiding block (105), an oil collecting box (102), a liquid sensor (104) and a pressure sensor (103);

the flow guide block (105) is arranged below a box body wall (107) through which the conducting rod passes, the bottom end of the flow guide block (105) is aligned with an opening at the top of the oil collecting box (102), and a liquid sensor (104) is arranged at the bottom of the oil collecting box (102);

the bottom of the oil collecting box (102) is provided with the pressure sensor (103);

the pressure sensor (103) and the liquid sensor (104) are each connected to a data processing module.

2. The oil seepage monitoring device for a conducting rod of a box-type transformer according to claim 1, wherein: the flow guide block (105) is of a cone structure, the top surface of the flow guide block is round and arranged at the bottom of a box body wall (107) through which the conducting rod passes, a flow guide channel (106) is arranged in the flow guide block (105), an inflow port of the flow guide channel (106) is arranged on the top surface of the flow guide block (105), an outflow port is arranged at the bottom of the flow guide block (105), and the flow guide block (105) is vertically arranged.

3. The oil seepage monitoring device for a conducting rod of a box-type transformer according to claim 2, wherein: the top surface of the flow guide block (105) is an inclined surface, and the edge of the flow guide block is inclined towards the inflow port of the flow guide channel (106).

4. A tank transformer pole oil penetration monitoring device as claimed in claim 3, wherein: the inflow port of the diversion channel (106) is arranged at the geometric center of the top surface of the diversion block (105).

5. The oil seepage monitoring device for a conducting rod of a box-type transformer according to claim 1, wherein: the liquid sensor (104) adopts a capacitive liquid sensor (104).

6. The oil seepage monitoring device for a conducting rod of a box-type transformer according to claim 1, wherein: the pressure sensor also comprises a monitoring device bottom plate (101), wherein the monitoring device bottom plate (101) is arranged at the bottom of the pressure sensor (103).

7. The oil seepage monitoring device for a conducting rod of a box-type transformer according to claim 1, wherein: the data processing module comprises a data preprocessing module and a control module;

the liquid sensor (104) and the pressure sensor (103) are respectively connected to the control module through a data preprocessing module;

the data preprocessing module comprises an amplifier, a filtering module and an analog-to-digital converter which are sequentially connected.