CN219390988U - Transformer light gas field detection device - Google Patents

Abstract

The utility model discloses a transformer light gas on-site detection device, which relates to the technical field of transformer light gas detection and comprises a central control circuit board, a voltage detection acquisition module, a Bluetooth printer, an electric pump control module, an air pressure acquisition module, an electric inflating pump, an air pressure sensor and a display panel, wherein the central control circuit board is in bidirectional electrical connection with the voltage detection acquisition module, and is respectively and electrically connected with the Bluetooth printer, the electric pump control module, the air pressure acquisition module and the display panel, and the electric pump control module is electrically connected with the electric inflating pump. The transformer light gas on-site detection device has the advantages of small volume, light weight, high integration rate, convenient carrying and small operation radius, can electrically inject gas, detect the gas injection pressure and the potential change of the normally open contact of the light gas in real time, print detection records on site, standardize the on-site detection behavior of the transformer light gas, and realize standardized and unified on-site detection.

Description

Transformer light gas field detection device

Technical Field

The utility model relates to the technical field of transformer light gas detection, in particular to a transformer light gas field detection device.

Background

At present, the transformer light gas on-site verification adopts manual gas injection, and the light gas action signal of the transformer protection screen in the control room is observed, when the light gas is sent out, the manual gas injection is stopped, and as the transformer is far away from the transformer protection screen in the control room, the synchronism is poor in the detection process, the critical point of the light gas action of the transformer cannot be accurately detected, the detection is not standard, and the working behavior track of the light gas detection of the transformer cannot be memorized.

However, the manual gas injection has the following defects: firstly, the manual gas injection can not control the flow rate of gas and monitor the pressure of gas, and the volume of injected gas can not be accurately calculated. Secondly, when the transformer gas relay is operated by light gas, the pressure and the volume of the injected gas cannot be detected, the detection means is behind, and the detection precision is low.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a light gas on-site detection device for a transformer, which solves the problems that the flow of gas and the pressure of monitoring gas are controlled by a method, the volume of injected gas cannot be accurately calculated, and the detection precision is low when the gas of the transformer is injected manually at present.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a transformer light gas on-the-spot detection device, includes central control circuit board and voltage detection collection module, bluetooth printer, charge pump control module, air pressure collection module, electronic inflating pump, air pressure sensor and display panel, central control circuit board and the two-way electric connection of voltage detection collection module, and central control circuit board respectively with bluetooth printer and charge pump control module, air pressure collection module and display panel electric connection, charge pump control module and electronic inflating pump electric connection, air pressure collection module and air pressure sensor electric connection, air pressure sensor is used for detecting the atmospheric pressure data that the electronic inflating pump pours into.

Further, the light gas on-site detection device further comprises a detected transformer, wherein a pontoon and a normally open contact are arranged in the transformer, a binding post and an inflating nozzle are arranged on the upper portion of the transformer, and the central control circuit board is electrically connected with the binding post through a wire.

Further, the electric inflating pump injects gas into the transformer gas through the gas injection device, the gas injection device comprises a fluid cylinder, an air inlet valve, an air outlet valve, a power supply and a gas pipeline, the power supply is electrically connected with the electric inflating pump, an air outlet of the electric inflating pump is connected with the air inlet valve through the gas pipeline, and an air inlet and an air outlet of the fluid cylinder are sequentially connected with the air inlet valve and the air outlet valve.

Further, when the electric inflating pump injects gas into the transformer gas, the gas injection flow is calculated through a gas metering device, and the gas metering device comprises a speed sensor and a temperature sensor.

Further, the display panel comprises a print button, a start button, a power button and an emergency stop button.

Furthermore, when the electric potential at the two ends of the normally open contact of the light gas of the transformer is changed from 220V to 0V, the central control circuit board cuts off the power supply of the electric inflating pump, and gas injection to the transformer is stopped.

Advantageous effects

The utility model provides a transformer light gas field detection device, which has the following beneficial effects compared with the prior art:

1. the transformer light gas field detection device has the advantages of small volume, light weight, high integration rate, convenient carrying and small operation radius, can electrically inject gas, detect gas injection pressure and potential change of a light gas normally-open contact in real time, print detection records on site, standardize the transformer light gas field detection behavior, realize standardized and unified field detection, realize simple and quick one-key operation, directly shorten the test time from 55 minutes to 5 minutes, greatly shorten the transformer light gas field detection time, reduce the number of testers from 3 to 2, improve the working efficiency and save a large amount of labor cost each year.

2. The transformer light gas on-site detection device is normalized in gas injection, can inject gas into the transformer at a constant speed, detects pressure change in the gas injection process in real time, accurately detects the pressure of the transformer light gas normally-open contact just contacted, accurately grasps the gas volume of the injected transformer gas through calculation, facilitates accurate judgment according to regulation requirements, automatically generates an action curve according to the gas pressure in the gas injection process of the transformer and the voltage change of the transformer light gas normally-open contact, and accurately judges the action condition of the transformer light gas.

Drawings

FIG. 1 is a schematic diagram of a field check wiring structure of the present utility model;

FIG. 2 is a diagram illustrating a transformer gas operation curve according to the present utility model.

In the figure: 1. a central control circuit board; 2. the voltage detection acquisition module; 3. a Bluetooth printer; 4. an electric pump control module; 5. an air pressure acquisition module; 6. an electric inflating pump; 7. an air pressure sensor; 8. a display panel; 9. a transformer; 91. a pontoon; 92. a normally open contact; 93. binding posts; 94. an air charging nozzle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1, the present utility model provides a technical solution, a transformer light gas field detection device, including a central control circuit board 1 and a voltage detection and collection module 2, a bluetooth printer 3, an electric pump control module 4, an air pressure collection module 5, an electric air pump 6, an air pressure sensor 7 and a display panel 8, wherein the central control circuit board 1 is electrically connected with the voltage detection and collection module 2 in two directions, the central control circuit board 1 is electrically connected with the bluetooth printer 3 and the electric pump control module 4, the air pressure collection module 5 and the display panel 8, the electric pump control module 4 is electrically connected with the electric air pump 6, the electric air pump 6 is used for controlling the operation of the electric air pump 6, the air pressure collection module 5 is electrically connected with the air pressure sensor 7, the air pressure sensor 7 is used for detecting pressure data of atmospheric air injected by the electric air pump 6, and the air pressure collection module 5 collects the pressure data.

Referring to fig. 1, in the embodiment of the present utility model, the light gas field detection device further includes a transformer 9 to be detected, a pontoon 91 and a normally open contact 92 are disposed inside the transformer 9, a binding post 93 and an air charging nozzle 94 are disposed on an upper portion of the transformer 9, and the central control circuit board 1 is electrically connected with the binding post 93 through a wire.

Referring to fig. 1, in the embodiment of the present utility model, an electric inflating pump 6 injects gas into a transformer 9 gas through a gas injection device, the gas injection device includes a fluid cylinder, a gas inlet valve, a gas outlet valve, a power supply and a gas pipeline, the power supply is electrically connected with the electric inflating pump 6, a gas outlet of the electric inflating pump 6 is connected with the gas inlet valve through the gas pipeline, and a gas inlet and a gas outlet of the fluid cylinder are sequentially connected with the gas inlet valve and the gas outlet valve.

Referring to fig. 1, in the embodiment of the present utility model, when the electric inflating pump 6 injects gas into the gas of the transformer 9, the gas injection flow is calculated by the gas metering device, the flow and pressure of the injected gas can be controlled and displayed in real time, and the volume of the injected gas is calculated, the gas metering device comprises a speed sensor and a temperature sensor, so that the gas can be self-compensated for the temperature of the gas, when the gas is in value, the speed sensor can enable the temperature to rise to a stable temperature, the temperature sensor is mainly used for sensing the temperature of a medium, when the flow rate of the gas is fast, the medium can take away more temperature, the temperature of the sensor can be reduced, and then the current can be increased by the sensor, and when the gas is light, the flow and the volume of the injected gas are calculated.

Referring to fig. 1-2, in the embodiment of the present utility model, the display panel 8 includes a print button, a start button, a power button and an emergency stop button, when the electric potential at two ends of the normally open contact 92 of the transformer 9 is changed from 220V to 0V, the central control circuit board 1 cuts off the power supply of the electric inflating pump 6, stops injecting gas into the transformer 9, presses the print button, the bluetooth printer 3 prints a detection record on site, clicks the start button, injects gas into the electric inflating pump 6 into the transformer 9, detects and collects inflation pressure in real time, when the electric potential at two ends of the normally open contact 92 of the transformer 9 is changed from about 220V to 0V, the central control circuit board 1 cuts off the power supply of the electric inflating pump 6, stops injecting gas into the transformer 9, calculates the gas inflation volume of the transformer 9, determines that the operation of the light gas of the transformer 9 is normal, the normally open contact 92 of the transformer 9 is not closed, forcibly cuts off the power supply of the electric inflating pump 6 in the process of the light gas of the transformer 9, and displays the detected air pressure and the light gas of the panel 8 in real time and the condition 92 of the light gas of the transformer 9 is changed to generate a curve, which is convenient for analysis.

Working principle: when the electric inflating pump 6 is started to inject gas into the transformer 9 and the pontoon 91 is lowered to the light gas action position, the normally open contact 92 is connected, the electric potential at the two ends of the normally open contact 92 is changed from about 220V to 0V, and the light gas signaling of the transformer 9 is judged to be normal.

And all that is not described in detail in this specification is well known to those skilled in the art.

Claims (6)

1. The utility model provides a transformer light gas on-the-spot detection device, includes central control circuit board (1) and voltage detection collection module (2), bluetooth printer (3), charge pump control module (4), air pressure collection module (5), electronic inflating pump (6), air pressure sensor (7) and display panel (8), its characterized in that: the intelligent control system is characterized in that the central control circuit board (1) is in bidirectional electric connection with the voltage detection acquisition module (2), the central control circuit board (1) is respectively in electric connection with the Bluetooth printer (3) and the electric pump control module (4), the air pressure acquisition module (5) and the display panel (8), the electric pump control module (4) is in electric connection with the electric inflating pump (6), the air pressure acquisition module (5) is in electric connection with the air pressure sensor (7), and the air pressure sensor (7) is used for detecting atmospheric pressure data injected by the electric inflating pump (6).

2. The transformer light gas field detection device according to claim 1, wherein: the light gas on-site detection device further comprises a detected transformer (9), wherein a pontoon (91) and a normally open contact (92) are arranged in the transformer (9), a binding post (93) and an inflating nozzle (94) are arranged on the upper portion of the transformer (9), and the central control circuit board (1) is electrically connected with the binding post (93) through a wire.

3. A transformer light gas field detection apparatus according to claim 1 or 2, characterized in that: the electric inflating pump (6) injects gas into the gas of the transformer (9) through the gas injection device, the gas injection device comprises a fluid cylinder, an air inlet valve, an air outlet valve, a power supply and a gas pipeline, the power supply is electrically connected with the electric inflating pump (6), an air outlet of the electric inflating pump (6) is connected with the air inlet valve through the gas pipeline, and an air inlet and an air outlet of the fluid cylinder are sequentially connected with the air inlet valve and the air outlet valve.

4. A transformer light gas field detection apparatus according to claim 1 or 2, characterized in that: when the electric inflating pump (6) injects gas into the gas of the transformer (9), the gas injection flow is calculated through a gas metering device, and the gas metering device comprises a speed sensor and a temperature sensor.

5. The transformer light gas field detection device according to claim 1, wherein: the display panel (8) comprises a printing button, a starting button, a power button and an emergency stop button.

6. A transformer light gas field detection apparatus according to claim 1 or 2, characterized in that: when the electric potential at two ends of the light gas normally-open contact of the transformer (9) is changed from 220V to 0V, the central control circuit board (1) cuts off the power supply of the electric inflating pump (6) and stops gas injection to the transformer (9).