Transformer loss testing device with digital display

The portable varistor loss testing device with wheels and a handle addresses the challenge of heavy and fragile devices by enhancing transportability and reducing damage risk, improving usability.

CN223107934UActive Publication Date: 2025-07-15华夏恒业智能电气有限公司
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Patent Information

Application Number
CN202421403117.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-07-15
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing transformer loss test devices are heavy, difficult to carry and easy to damage during handling, increasing the burden on testers.

Method used

A transformer loss testing device with universal wheel and tie rod is designed. Through the combination of universal wheel and tie rod, it can achieve convenient handling and protect the device through a movable connection structure.

Benefits of technology

It improves the handling efficiency of the test device, reduces the risk of damage to the device during the handling process, and improves the applicability of the test device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a transformer loss testing device with a digital display function, which comprises a box body, the top of the box body is movably connected with a movable seat I, the interior of the movable seat I is rotatably connected with a box cover, the top of the box body is fixedly connected with a digital display, the top of the box body is fixedly connected with a wiring port, and the wiring port is fixedly connected with a power supply. An AC220V interface is fixedly connected to the top of the box body, an operation panel is fixedly connected to the top of the box body, a telescopic pull rod is fixedly connected to one side of the box body, a supporting column is fixedly connected to the other side of the box body, a universal wheel shell is fixedly connected to the other end of the supporting column, and a shaft is movably connected to the interior of the universal wheel shell. According to the transformer loss testing device, the device is pulled through the universal wheels and the pull rod, carrying is convenient, the working efficiency of testing personnel is improved, the box body and the box cover of the device can play a role in protecting the testing device, possible damage to the testing device in the storage process is reduced, and the applicability of the transformer loss testing device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of transformer testing, and particularly relates to a transformer loss testing device with a digital display. Background Technique

[0002] A transformer loss parameter tester is a special device for measuring the loss parameters of power transformers. The instrument adopts digital synchronous sampling technology to accurately measure the effective values of parameters such as voltage, current, power, power factor, and frequency of three-phase electrical equipment. The transformer loss parameter tester mainly tests the no-load loss (iron loss) and load loss (copper loss) of the transformer. It has a wide linear range, good reading repeatability, and stable performance. However, most of the existing transformer loss testing devices have a certain weight, are not easy to carry, and are prone to damage during the handling process, increasing the burden on the testing personnel and reducing the applicability of the transformer testing device. Content of the Utility Model

[0003] The purpose of the utility model is to provide a transformer loss testing device with a digital display, which solves the problems that most of the existing transformer loss testing devices have a certain weight, are not easy to carry, and are prone to damage during the handling process, increasing the burden on the testing personnel.

[0004] To achieve the above purpose, a transformer loss testing device with a digital display is provided, including a box body. The top of the box body is movably connected with a movable seat one. The inside of the movable seat one is rotatably connected with a box cover. The top of the box body is fixedly connected with a digital display. The top of the box body is fixedly connected with a wiring port. The top of the box body is fixedly connected with an AC220V interface. The top of the box body is fixedly connected with an operation panel, which plays a protective role for the device.

[0005] One side of the box body is fixedly connected with a telescopic pull rod. The other side of the box body is fixedly connected with a support column. The other end of the support column is fixedly connected with a universal wheel housing. The inside of the universal wheel housing is movably connected with a shaft. The outer wall of the shaft is movably connected with a wheel. One side of the box body is fixedly connected with a pull rod, which is convenient for carrying the device.

[0006] According to the described transformer loss testing device with a digital display, a hole one is opened inside the movable seat one, and the shape and size of the hole one are both matched with the shape and size of the box cover. The movable seat one is rotatably connected with the box cover through the hole one, and the box body is rotatably connected with the box cover through the movable seat one, which is convenient for the connection between the box cover and the box body.

[0007] According to the described transformer loss testing device with a digital display, a movable seat two is fixedly connected to the front of the box body. A connecting plate is movably connected inside the movable seat two. A clamping block is fixedly connected to the top end of the box cover, which is convenient for protecting the device.

[0008] According to the described transformer loss testing device with digital display, the shaft penetrates through the inside of the wheel and the universal wheel housing and extends to both sides of the universal wheel housing, and the shaft is rotatably connected to the wheel, facilitating the handling of the device.

[0009] According to the described transformer loss testing device with digital display, a second hole is formed inside the second movable seat, and the shape and size of the second hole are both mutually matched with the shape and size of the connecting plate. The second movable seat is rotatably connected to the connecting plate through the second hole, and the connecting plate is rotatably connected to the box body through the second movable seat, playing a role in protecting the device.

[0010] According to the described transformer loss testing device with digital display, a clamping groove is formed at the top of the connecting plate, and the shape and size of the clamping groove are both mutually matched with the shape and size of the clamping block. The clamping block is movably connected to the connecting plate through the clamping groove, facilitating the connection between the clamping block and the connecting plate.

[0011] According to the described transformer loss testing device with digital display, the support column, the universal wheel housing, the wheel and the shaft form a set of universal wheels, and the number of universal wheels is four groups, enhancing the handling efficiency of the device.

[0012] The beneficial effects of the above solution: The transformer loss testing device can be pulled through the universal wheels and the pull rod, facilitating handling, enhancing the work efficiency of the testers, and the box body and the box cover of the device can play a role in protecting the testing device, reducing the possible damage during the storage of the testing device, and improving the applicability of the transformer loss testing device to a certain extent.

[0013] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0015] Figure 1 It is a perspective view of a transformer loss testing device with digital display according to the present utility model;

[0016] Figure 2 It is a top view of a transformer loss testing device with digital display according to the present utility model;

[0017] Figure 3 It is a side view of a transformer loss testing device with digital display according to the present utility model;

[0018] Figure 4 It is a Figure 1 magnified view of part A of a transformer loss testing device with digital display according to the present utility model.

[0019] Legend Explanation:

[0020] 1. Box body; 2. Box cover; 3. Digital display; 4. Wiring port; 5. AC220V interface; 6. Operation panel; 7. Telescopic pull rod; 8. Support pillar; 9. Universal wheel housing; 10. Wheel; 11. Shaft; 12. Movable seat one; 13. Movable seat two; 14. Connecting plate; 15. Clamping block; 16. Pull rod. Specific Embodiment

[0021] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present invention, but it should not be construed as a limitation on the protection scope of the present invention.

[0022] Referring to Figures 1-4 , an embodiment of the present invention is a transformer loss testing device with a digital display, which includes a box body 1. A movable seat one 12 is movably connected to the top of the box body 1. A box cover 2 is rotatably connected inside the movable seat one 12. A digital display 3 is fixedly connected to the top of the box body 1. A wiring port 4 is fixedly connected to the top of the box body 1. An AC220V interface 5 is fixedly connected to the top of the box body 1. An operation panel 6 is fixedly connected to the top of the box body 1, which plays a role in protecting the device;

[0023] A telescopic pull rod 7 is fixedly connected to one side of the box body 1. A support pillar 8 is fixedly connected to the other side of the box body 1. The other end of the support pillar 8 is fixedly connected to a universal wheel housing 9. A shaft 11 is movably connected inside the universal wheel housing 9. A wheel 10 is movably connected to the outer wall of the shaft 11. A pull rod 16 is fixedly connected to one side of the box body 1, which is convenient for carrying the device.

[0024] A hole is formed inside the first movable seat 12, and the shape and size of the hole are both matched with those of the box cover 2. The first movable seat 12 is rotatably connected to the box cover 2 through the hole, and the box body 1 is rotatably connected to the box cover 2 through the first movable seat 12, which facilitates the connection between the box cover 2 and the box body 1. A second movable seat 13 is fixedly connected to the front surface of the box body 1. A connecting plate 14 is movably connected inside the second movable seat 13. A clamping block 15 is fixedly connected to the top end of the box cover 2, which facilitates the protection of the device. The shaft 11 passes through the inside of the wheel 10 and the universal wheel housing 9 and extends to both sides of the universal wheel housing 9, and the shaft 11 is rotatably connected to the wheel 10, which facilitates the handling of the device. A clamping groove is formed at the top of the connecting plate 14, and the shape and size of the clamping groove are both matched with those of the clamping block 15. The clamping block 15 is movably connected to the connecting plate 14 through the clamping groove, which facilitates the connection between the clamping block 15 and the connecting plate 14. The support column 8, the universal wheel housing 9, the wheel 10 and the shaft 11 form a set of universal wheels, and the number of the universal wheels is four groups, which improves the handling efficiency of the device.

[0025] Working principle: When it is necessary to detect the loss of the transformer, pull the telescopic pull rod 7, move the device to the test position through the universal wheels, disconnect the connection between the connecting plate 14 and the clamping block 15, open the box cover 2, connect the circuit to be connected to the wiring port 4 and the AC22V interface, complete the test operation through the operation panel 6, and display the test result on the digital display 3. After the test is completed, close the box cover 2, and reconnect the clamping groove on the connecting plate 14 to the clamping block 15, so as to play a role in protecting the device.

[0026] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the gist of the present invention.

Claims

1. A transformer loss testing device with digital display, comprising: Box body (1), characterized in that a first movable seat (12) is movably connected to the top of the box body (1), a box cover (2) is rotatably connected to the inside of the first movable seat (12), a digital display (3) is fixedly connected to the top of the box body (1), a wiring port (4) is fixedly connected to the top of the box body (1), an AC220V interface (5) is fixedly connected to the top of the box body (1), and an operation panel (6) is fixedly connected to the top of the box body (1). A telescopic pull rod (7) is fixedly connected to one side of the box body (1), a support column (8) is fixedly connected to the other side of the box body (1), the other end of the support column (8) is fixedly connected to a universal wheel housing (9), a shaft (11) is movably connected to the inside of the universal wheel housing (9), a wheel (10) is movably connected to the outer wall of the shaft (11), and a pull rod (16) is fixedly connected to one side of the box body (1).

2. The transformer loss testing device with digital display according to claim 1, characterized in that, A first hole is formed in the inside of the first movable seat (12), and the shape and size of the first hole are both mutually matched with the shape and size of the box cover (2). The first movable seat (12) is rotatably connected to the box cover (2) through the first hole, and the box body (1) is rotatably connected to the box cover (2) through the first movable seat (12).

3. A transformer loss testing device with digital display according to claim 1, characterized in that, A second movable seat (13) is fixedly connected to the front of the box body (1), a connecting plate (14) is movably connected to the inside of the second movable seat (13), and a clamping block (15) is fixedly connected to the top end of the box cover (2).

4. A transformer loss testing device with digital display according to claim 1, characterized in that, The shaft (11) penetrates through the inside of the wheel (10) and the universal wheel housing (9) and extends to both sides of the universal wheel housing (9), and the shaft (11) is rotatably connected to the wheel (10).

5. A transformer loss testing device with digital display according to claim 1, characterized in that, A second hole is formed in the inside of the second movable seat (13), and the shape and size of the second hole are both mutually matched with the shape and size of the connecting plate (14). The second movable seat (13) is rotatably connected to the connecting plate (14) through the second hole, and the connecting plate (14) is rotatably connected to the box body (1) through the second movable seat (13).

6. The transformer loss testing device with digital display according to claim 3, characterized in that, A clamping groove is formed in the top of the connecting plate (14), and the shape and size of the clamping groove are both mutually matched with the shape and size of the clamping block (15). The clamping block (15) is movably connected to the connecting plate (14) through the clamping groove.

7. A transformer loss testing device with digital display according to claim 1, characterized in that, The support column (8), the universal wheel housing (9), the wheel (10) and the shaft (11) form a set of universal wheels, and the number of the universal wheels is four sets.