CN219737686U

CN219737686U - Withstand voltage test board of power taking transformer

Info

Publication number: CN219737686U
Application number: CN202322221482.0U
Authority: CN
Inventors: 郭智强; 陈昌隆; 张金春; 吴延祥; 黄伟震
Original assignee: Fujian Hongke Electric Power Technology Co ltd
Current assignee: Fujian Hongke Electric Power Technology Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2023-09-22
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a withstand voltage test board for a power taking transformer, which relates to the technical field of transformer testing and comprises a test board body, a test host and a main station, wherein the test board body is provided with a yielding groove, and a plurality of test stations for placing a transformer to be tested are arranged in the yielding groove; still include the safety cover with connect in the detector of test host computer, the safety cover can open and shut set up in the notch department of groove of stepping down, the detector sets up between safety cover and the groove of stepping down for the open and shut state of real-time detection safety cover. The voltage withstand test of a plurality of transformers to be tested can be realized at the same time, the test efficiency is extremely high, the operation is simple and convenient, the non-outage operation accident can be prevented, and the safety performance of equipment is effectively improved; the main station can collect, record and store the test data, is favorable for establishing a database, facilitates subsequent test analysis and quality tracking, and improves the intelligent level of the equipment.

Description

Withstand voltage test board of power taking transformer

Technical Field

The utility model relates to the technical field of transformer testing, in particular to a withstand voltage test board of a power taking transformer.

Background

A power transformer is a special transformer that is commonly used to change the high voltage in a power grid to a lower voltage suitable for consumer use. The required insulation strength of the transformer will also vary due to the operating environment and operating conditions of the transformer. Therefore, in order to ensure that the transformer can normally operate under normal working conditions and ensure the safety of personnel and equipment, the voltage withstand test of the power taking transformer is required. The traditional transformer test board is not provided with a safety limiting device to prevent the uninterrupted operation accident, and personnel may accidentally contact a high-voltage power supply in the operation process to generate an electric shock accident.

Disclosure of Invention

The utility model provides a withstand voltage test board for a power taking transformer, and mainly aims to solve the problems in the prior art.

The utility model adopts the following technical scheme:

the withstand voltage test bench for the power-taking transformer comprises a test bench body and a test host, wherein the test bench body is provided with a yielding groove, and a plurality of test stations for placing the transformer to be tested are arranged in the yielding groove; still include the safety cover with connect in the detector of test host computer, the safety cover can open and shut set up in the notch department of groove of stepping down, the detector sets up between safety cover and the groove of stepping down for the open and shut state of real-time detection safety cover.

Further, the detector is a limit switch or a pressure sensor, and the detector is arranged at the notch of the yielding groove; in the covering state, the safety cover is mutually abutted with the detector.

Further, the detector is a metal sensor and is arranged at the notch of the yielding groove; the bottom of the safety cover is provided with a metal sheet, and in the cover state, the metal sheet is mutually abutted with the detector.

Further, the safety cover is hinged to one side of the notch of the abdication groove, and the detector is arranged on the other side of the notch of the abdication groove.

Further, a detection plate is arranged in the abdication groove, and a detection groove is arranged at the corresponding position of each test station of the detection plate.

Further, a plurality of detection grooves are correspondingly provided with detection indicator lamps.

Further, pins are arranged at the bottom of the transformer to be tested, a plurality of metal probes are arranged in the detection grooves, and concave holes for inserting the pins are formed in the metal probes.

Further, the bottom of the test bench body is provided with a grounding device connected with the test host, and the detection plate is provided with a grounding row indicator lamp for indicating the grounding state of the test bench body.

Further, the transformer testing device also comprises a main station for collecting and storing testing data of the transformer to be tested, and the main station is connected with the testing host.

Compared with the prior art, the utility model has the beneficial effects that:

the safety cover and the detector are arranged on the test bench body, wherein the detector is connected with the test host, and the opening and closing state of the safety cover can be detected in real time. When the safety cover is opened, the detector sends a signal to the test host, and the test host controls the test board body to disconnect the high-voltage power supply, so that the operation accident without power failure is prevented, and the use safety of the product is improved.

Drawings

FIG. 1 is a schematic view of a test bench according to the present utility model.

FIG. 2 is a schematic system diagram of a test bench body according to the utility model.

In the figure: 1-a test bench body; 11-a safety cover; 12-grounding means; 2-testing the host computer; 21-limit switch; 3-a yielding groove; 31-detecting plate; 32-a detection groove; 321-metal probes; 33-detecting an indicator light; 34-ground row indicator lights; 4-a transformer to be tested.

Detailed Description

Specific embodiments of the present utility model will be described below with reference to the accompanying drawings. Numerous details are set forth in the following description in order to provide a thorough understanding of the present utility model, but it will be apparent to one skilled in the art that the present utility model may be practiced without these details.

Referring to fig. 1 and 2, a withstand voltage test board for a power taking transformer comprises a test board body 1 and a test host 2, wherein the test board body 1 is provided with a yielding groove 3, and a plurality of test stations for placing a transformer 4 to be tested are arranged in the yielding groove 3; still include safety lid 11 and connect in the detector of test host computer 2, safety lid 11 can open and shut the setting in the notch department of stepping down groove 3, and the detector sets up between safety lid 11 and stepping down groove 3 for real-time detection safety lid 11's open and shut state. The utility model sets the safety cover 11 and the detector on the test bench body 1, wherein the detector is connected with the test host 2 and can detect the open and close state of the safety cover 11 in real time. When the safety cover 11 is opened, the detector sends a signal to the test host 2, and the test host 2 controls the test bench body 1 to disconnect the high-voltage power supply, so that the operation accident without power failure is prevented, and the use safety of the product is improved.

Referring to fig. 1, a detector is a limit switch 21 and is arranged at the notch of the yielding groove 3; in the closed state, the safety cover 11 and the detector are abutted against each other. The detector provided by the utility model can also be a pressure sensor or a metal sensor, wherein if the detector is a metal sensor, a metal sheet is additionally arranged at the bottom of the safety cover 11. Specifically, when the safety cover 11 is in the closed state, the metal sheet is abutted against the metal sensor, and when the safety cover 11 is in the open state, the metal sheet is separated from the metal sensor, and the metal sensor sends a signal to the test host 2, so that the test host 2 controls the test bench body 1 to disconnect the high-voltage power supply.

Referring to fig. 1, a safety cover 11 is hinged to one side of the notch of the relief groove 3, and a detector is arranged on the other side of the notch.

Referring to fig. 1, a detecting plate 31 is disposed in the giving way slot 3, and detecting slots 32 are disposed on the detecting plate 31 at corresponding positions of each testing station. The test bench provided by the utility model is provided with a plurality of detection grooves 32, so that the voltage withstand test can be directly carried out on a plurality of transformers 4 to be tested at the same time, the test speed and the production efficiency are improved, the operation flow is simplified, and the production cost is further effectively reduced; and when one of the test stations fails, the other test stations can still normally operate, so that the continuity of the production line is ensured.

Referring to fig. 1 and 2, a plurality of detection grooves 32 are provided with detection indicator lamps 33, respectively. The detection indicator lamp 33 is connected to the test host 2, the test host 2 is connected to the test software, and the generated leakage current is about 0.1-0.2mA when the transformer is tested and qualified; if the generated leakage current is too high, the product is not qualified. At this time, the test software automatically stops the test, and the number of the defective product is displayed on the software desktop, and the detection indicator lamp 33 corresponding to the product is also turned on.

Referring to fig. 1 and 2, pins (not shown) are disposed at the bottom of the transformer 4 to be tested, and metal probes 321 are disposed in each of the plurality of detecting grooves 32, and the metal probes 321 are provided with concave holes into which the pins are inserted. When the transformer to be tested is placed, the edge of the transformer to be tested 4 is aligned with the edge of the detection groove 32, then the pins of the transformer to be tested 4 are aligned with the concave holes of the metal probes 321, and finally the pins of the transformer to be tested 4 are obliquely put down, so that the damage to the pins of the transformer to be tested 4 can be avoided. Through the mutual matching of the pins of the transformer 4 to be tested and the concave holes of the metal probes 321, the contact stability can be effectively ensured, and the test accuracy is further improved. Further, the utility model also comprises a transmitter which is connected with the testing host 2; when the transformer 4 to be tested is placed, the metal probe 321 is pressed down, so that the high-voltage power supply is conducted and transmitted to the transformer 4 to be tested, and at the moment, the click test software starts to test. In the testing process, the transformer generates certain leakage current, the generated current signal is converted into a voltage signal through the transmitter, and the voltage signal is transmitted to the testing host 2, so that whether the transformer is qualified or not is judged.

Referring to fig. 1, a grounding device 12 connected with a test host 2 is provided at the bottom of a test bench body 1, and a detection board 31 is provided with a grounding row indicator lamp 34 for indicating the grounding state of the test bench body 1. The grounding device 12 can provide a reliable grounding path to guide the current leakage occurring to the ground, thereby protecting the safety of operators and test equipment. Specifically, before the test, it is checked whether the ground bar indicator lamp 34 is on, and if the ground bar indicator lamp 34 is on, the transformer 4 to be tested can be placed.

Referring to fig. 2, the utility model further comprises a master station for collecting and storing test data of the transformer 4 under test, which master station is connected to the test host 2. The test data can be collected, recorded and stored through the master station, so that a database can be built, and subsequent test analysis and quality tracking are facilitated. In addition, in the test process, the main station can also monitor the state and the running condition of each test station in real time, and an operator can observe the running condition of the whole test system and take necessary measures in time.

The foregoing is merely illustrative of specific embodiments of the present utility model, but the design concept of the present utility model is not limited thereto, and any insubstantial modification of the present utility model by using the design concept shall fall within the scope of the present utility model.

Claims

1. The utility model provides a get withstand voltage testboard of electric transformer, includes testboard body and test host computer, its characterized in that: the test bench body is provided with a yielding groove, and a plurality of test stations for placing the transformer to be tested are arranged in the yielding groove; still include the safety cover with connect in the detector of test host computer, the safety cover can open and shut set up in the notch department of groove of stepping down, the detector sets up between safety cover and the groove of stepping down for the open and shut state of real-time detection safety cover.

2. The withstand voltage test stand of power transformer as claimed in claim 1, wherein: the detector is a limit switch or a pressure sensor and is arranged at the notch of the abdication groove; in the covering state, the safety cover is mutually abutted with the detector.

3. The withstand voltage test stand of power transformer as claimed in claim 1, wherein: the detector is a metal sensor and is arranged at the notch of the abdication groove; the bottom of the safety cover is provided with a metal sheet, and in the cover state, the metal sheet is mutually abutted with the detector.

4. A voltage withstand test stand for a power taking transformer as defined in claim 2 or 3, wherein: one side of the notch of the abdication groove is hinged with the safety cover, and the other side of the notch of the abdication groove is provided with the detector.

5. The withstand voltage test stand of power transformer as claimed in claim 1, wherein: the abdication groove is internally provided with a detection plate, and the detection plate is provided with a detection groove at the corresponding position of each test station.

6. The withstand voltage test stand of power transformer as claimed in claim 5, wherein: and a plurality of detection grooves are correspondingly provided with detection indicator lamps.

7. The withstand voltage test stand of power transformer as claimed in claim 5, wherein: the bottom of the transformer to be tested is provided with pins, a plurality of metal probes are arranged in the detection grooves, and the metal probes are provided with concave holes for inserting the pins.

8. The withstand voltage test stand of power transformer as claimed in claim 5, wherein: the bottom of the test bench body is provided with a grounding device connected with the test host, and the detection plate is provided with a grounding row indicator lamp for indicating the grounding state of the test bench body.

9. The withstand voltage test stand of power transformer as claimed in claim 1, wherein: the system also comprises a master station for collecting and storing the test data of the transformer to be tested, and the master station is connected with the test host.