Mutual inductor broken line detection device

Abstract

The utility model discloses a mutual inductor broken line detection device which comprises a base, a detection assembly and a buckle assembly, the upper surface of the base is fixedly connected with a supporting column, and the upper surface of the supporting column is fixedly connected with a detection table. The detection assembly comprises a power-on switch, a wire, a right half insulating protective shell, a first power-on plug, a left half insulating protective shell, a second power-on plug and a detection signal lamp, the left surface of the power-on switch is fixedly connected with the wire, and the buckle assembly comprises a sleeve, a sliding column, a clamping block, a fixing block, an extrusion block, a pressing rod and a spring. The detection signal lamp on the left half insulating protective shell is connected with the mutual inductor in series, the lamp is on in a power-on state, the lamp is poor in a broken line state, broken line detection of the mutual inductor is achieved, operation is easy and convenient, the insulating protective shells can isolate the mutual inductor from an operator during detection, locking is achieved through the bayonet assembly, the safety of the detection process is improved, and the detection efficiency is improved. And the practicability of the device is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of mutual inductor detection, in particular to a mutual inductor disconnection detection device. Background Art

[0002] In the power system, the instrument transformer plays a vital role. It undertakes the key task of converting high voltage and large current into low voltage and low current suitable for measurement and protection devices. With the continuous development of the power industry, the performance and reliability requirements of the instrument transformer are increasing day by day.

[0003] However, in the production process of the transformer, ensuring that there is no wire breakage before leaving the factory is an extremely critical link. If there is a wire break inside the transformer and it is not detected in time, it may lead to inaccurate measurement, malfunction of protection devices and other serious consequences in actual application, thus affecting the stable operation and safety of the entire power system. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, that is, it is impossible to know whether a transformer is disconnected before leaving the factory, and to provide a transformer disconnection detection device.

[0005] The utility model also provides a mutual inductor disconnection detection device, a base, a detection assembly and a buckle assembly, wherein the upper surface of the base is fixedly connected to a pillar, and the upper surface of the pillar is fixedly connected to a detection platform;

[0006] The detection assembly includes a power switch, an electric wire, a right semi-insulating protective shell, a first power plug, a left semi-insulating protective shell, a second power plug and a detection signal light, the left surface of the power switch is fixedly connected to the electric wire, the left end of the electric wire is fixedly connected to the right semi-insulating protective shell, the inner surface of the right semi-insulating protective shell is fixedly connected to the first power plug, the inner surface of the left semi-insulating protective shell is fixedly connected to the second power plug, and the right surface of the left semi-insulating protective shell is fixedly connected to the detection signal light;

[0007] The buckle assembly includes a sleeve, a sliding column, a clamping block, a fixed block, an extrusion block, a pressure rod and a spring. The inner surface of the sleeve is slidably connected to the sliding column, the upper end of the sliding column is fixedly connected to the clamping block, the inner surface of the fixed block is fixedly connected to the sliding column, the right surface of the extrusion block is fixedly connected to the fixed block, the right surface of the pressure rod is slidably connected to the extrusion block, the lower end of the spring is fixedly connected to the sleeve, and the upper end of the spring is fixedly connected to the fixed block.

[0008] According to the transformer disconnection detection device, the upper surface of the detection platform is fixedly connected to the power switch, and the lower surface of the right half-insulation protective shell is fixedly connected to the detection platform.

[0009] According to the transformer disconnection detection device, the power switch is connected in series with the first power plug, and the second power plug is connected in series with the detection signal light. The circuit path is achieved by connecting the transformer with 11 and 19.

[0010] According to the transformer disconnection detection device, a handle is fixedly connected to the upper surface of the detection component, and the sliding column passes through the interior of the spring.

[0011] According to the transformer disconnection detection device, a button is fixedly connected to the left end of the pressure rod, and the side surface of the pressure rod is slidably connected to the detection platform.

[0012] According to the transformer disconnection detection device, the upper surface of the detection platform is fixedly connected with a slide rail, and the lower surface of the left semi-insulating protective shell is slidably connected to the slide rail.

[0013] According to the transformer breakage detection device, the lower surface of the base is fixedly connected with universal wheels, and the number of the universal wheels is four and they are distributed in a rectangular array for easy movement and increased flexibility.

[0014] According to the transformer disconnection detection device, a push handle is fixedly connected to the upper surface of the base, and the power switch is electrically connected to an external power supply.

[0015] Beneficial effects:

[0016] By connecting the detection signal light on the left half of the insulating protective shell in series with the transformer, the light is on when the power is on, and the light is faulty when the line is broken, thereby realizing the disconnection detection of the transformer. The operation is simple and convenient. The insulating protective shell can also isolate the transformer from the operator during detection, and is locked by the bayonet assembly to improve the safety of the detection process and enhance the practicability of the device.

[0017] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0019] Figure 1 This is a schematic diagram of the overall structure of a transformer disconnection detection device of the utility model;

[0020] Figure 2 This is a partial structural cross-sectional view of a transformer disconnection detection device of the utility model;

[0021] Figure 3 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0022] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at point B in the middle.

[0023] Legend:

[0024] 1. Base; 2. Pillar; 3. Test table; 4. Test assembly; 5. Buckle assembly; 6. Power switch; 7. Wires; 8. Right semi-insulated protective shell; 9. First power plug; 10. Left semi-insulated protective shell; 11. Second power plug; 12. Test signal light; 13. Handle; 14. Sleeve; 15. Sliding column; 16. Block; 17. Fixed block; 18. Extrusion block; 19. Pressure rod; 20. Spring; 21. Button; 22. Slide rail; 23. Universal wheel; 24. Push handle. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] Reference Figure 1-4 The utility model embodiment provides a transformer disconnection detection device, which includes a base 1, a detection component 4 and a snap assembly 5. The upper surface of the base 1 is fixedly connected to a pillar 2, the upper surface of the pillar 2 is fixedly connected to a detection platform 3, the lower surface of the base 1 is fixedly connected to a universal wheel 23, the number of the universal wheels 23 is four and they are distributed in a rectangular array, and the upper surface of the base 1 is fixedly connected to a push handle 24.

[0027] The detection component 4 includes a power switch 6, an electric wire 7, a right semi-insulating protective shell 8, a first power plug 9, a left semi-insulating protective shell 10, a second power plug 11 and a detection signal light 12. The power switch 6 is electrically connected to an external power supply. The left surface of the power switch 6 is fixedly connected to the electric wire 7, the left end of the electric wire 7 is fixedly connected to the right semi-insulating protective shell 8, the inner surface of the right semi-insulating protective shell 8 is fixedly connected to the first power plug 9, the inner surface of the left semi-insulating protective shell 10 is fixedly connected to the second power plug 11, the right surface of the left semi-insulating protective shell 10 is fixedly connected to the detection signal light 12, the upper surface of the detection platform 3 is fixedly connected to the power switch 6, the lower surface of the right semi-insulating protective shell 8 is fixedly connected to the detection platform 3, the power switch 6 is connected in series with the first power plug 9, the second power plug 11 is connected in series with the detection signal light 12, the upper surface of the detection platform 3 is fixedly connected with a slide rail 22, and the lower surface of the left semi-insulating protective shell 10 is slidably connected to the slide rail 22.

[0028] The buckle assembly 5 includes a sleeve 14, a sliding column 15, a block 16, a fixed block 17, an extrusion block 18, a pressure rod 19 and a spring 20. The inner surface of the sleeve 14 is slidably connected to the sliding column 15, the upper end of the sliding column 15 is fixedly connected to the block 16, the inner surface of the fixed block 17 is fixedly connected to the sliding column 15, the right surface of the extrusion block 18 is fixedly connected to the fixed block 17, the right surface of the pressure rod 19 is slidably connected to the extrusion block 18, the lower end of the spring 20 is fixedly connected to the sleeve 14, the upper end of the spring 20 is fixedly connected to the fixed block 17, the upper surface of the detection assembly 4 is fixedly connected with the handle 13, the sliding column 15 passes through the inside of the spring 20, the left end of the pressure rod 19 is fixedly connected with the button 21, and the side surface of the pressure rod 19 is slidably connected to the detection table 3.

[0029] Working principle: hold the handle 13 to pull the left half-insulating protective shell 10 open along the pressure rod 19, then insert the transformer into the right half-insulating protective shell 8, one wiring hole of the transformer is connected to the first power-on plug 9, and then push the left half-insulating protective shell 10 to connect the other wiring hole of the transformer to the second power-on plug 11. At this time, the left half-insulating protective shell 10 and the first power-on plug 9 just clamp the transformer inside, and the transformer is connected in series with the power-on switch 6 and the detection signal light 12 through the first power-on plug 9 and the second power-on plug 11. Press the power-on switch 6. If the detection signal light 12 is on, it means that the transformer is not disconnected. Otherwise, the disconnection of the transformer can be detected. Then press the button 21 to make the pressure rod 19 squeeze the squeezing block 18. The squeezing block 18 is forced to drive the card block 16 to slide down. Pull the handle 13 to open the left half-insulating protective shell 10 again and take out the transformer. The operation is simple and convenient, with high practicality and improved detection efficiency.

[0030] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A transformer disconnection detection device, characterized in that: include: A base (1), a detection assembly (4) and a buckle assembly (5), wherein the upper surface of the base (1) is fixedly connected to a support (2), and the upper surface of the support (2) is fixedly connected to a detection platform (3); The detection component (4) comprises a power switch (6), an electric wire (7), a right semi-insulating protective shell (8), a first power plug (9), a left semi-insulating protective shell (10), a second power plug (11) and a detection signal light (12); the left surface of the power switch (6) is fixedly connected to the electric wire (7), the left end of the electric wire (7) is fixedly connected to the right semi-insulating protective shell (8), the inner surface of the right semi-insulating protective shell (8) is fixedly connected to the first power plug (9), the inner surface of the left semi-insulating protective shell (10) is fixedly connected to the second power plug (11), and the right surface of the left semi-insulating protective shell (10) is fixedly connected to the detection signal light (12); The buckle assembly (5) comprises a sleeve (14), a sliding column (15), a block (16), a fixed block (17), an extrusion block (18), a pressure rod (19) and a spring (20); the inner surface of the sleeve (14) is slidably connected to the sliding column (15); the upper end of the sliding column (15) is fixedly connected to the block (16); the inner surface of the fixed block (17) is fixedly connected to the sliding column (15); the right surface of the extrusion block (18) is fixedly connected to the fixed block (17); the right surface of the pressure rod (19) is slidably connected to the extrusion block (18); the lower end of the spring (20) is fixedly connected to the sleeve (14); and the upper end of the spring (20) is fixedly connected to the fixed block (17).

2. A transformer disconnection detection device according to claim 1, characterized in that: The upper surface of the detection platform (3) is fixedly connected to the power switch (6), and the lower surface of the right semi-insulating protective shell (8) is fixedly connected to the detection platform (3).

3. A transformer disconnection detection device according to claim 1, characterized in that: The power switch (6) is connected in series with the first power plug (9), and the second power plug (11) is connected in series with the detection signal light (12).

4. A transformer disconnection detection device according to claim 1, characterized in that: A handle (13) is fixedly connected to the upper surface of the detection component (4), and the sliding column (15) passes through the interior of the spring (20).

5. A transformer disconnection detection device according to claim 1, characterized in that: A button (21) is fixedly connected to the left end of the pressure rod (19), and a side surface of the pressure rod (19) is slidably connected to the detection platform (3).

6. A transformer disconnection detection device according to claim 1, characterized in that: The upper surface of the detection platform (3) is fixedly connected to a slide rail (22), and the lower surface of the left semi-insulating protective shell (10) is slidably connected to the slide rail (22).

7. A transformer disconnection detection device according to claim 1, characterized in that: Universal wheels (23) are fixedly connected to the lower surface of the base (1), and the number of the universal wheels (23) is four and they are distributed in a rectangular array.

8. A transformer disconnection detection device according to claim 1, characterized in that: A push handle (24) is fixedly connected to the upper surface of the base (1), and the power switch (6) is electrically connected to an external power source.

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