Oil safety measuring equipment for power grid transformer
By designing a safety testing device for oil used in power grid transformers, the device utilizes conductive electrodes and incandescent lamps to detect the conductivity of the oil, and combines this with a multimeter to measure current and voltage. This solves the problem of the cumbersome and time-consuming nature of traditional methods, and achieves convenient and efficient oil safety testing.
Patent Information
- Application Number
- CN202520479867.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Traditional methods for testing the safety of transformer oil are cumbersome, time-consuming, and require specialized equipment and personnel, making it difficult to reflect the actual condition of the transformer oil in a timely manner.
A safety testing device for power grid transformer oil was designed, including an oil tank, conductive electrodes, an incandescent lamp, and a multimeter. By inserting the conductive electrodes into the oil and connecting the power supply, the conductivity of the oil is detected by the incandescent lamp, and the current and voltage are measured by the multimeter, thus achieving convenient safety testing.
It enables convenient and rapid safety testing of transformer oil, reduces reliance on specialized equipment and personnel, and improves testing efficiency.
Smart Images
Figure CN223955500U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transformer oil safety detection equipment technical field, concretely relates to a power grid transformer oil safety determination equipment. BACKGROUND
[0002] The power grid transformer is the key equipment in the power system, and its stable operation is crucial for guaranteeing the power supply. The transformer oil is the main insulation and cooling medium inside the transformer, and its quality and state directly affect the operation safety and reliability of the transformer. Regular safety determination of the transformer oil is an important measure to ensure the normal operation of the transformer.
[0003] The traditional safety determination method of transformer oil usually involves sampling the transformer oil and determining its various performance indicators such as acid value, alkalinity, moisture content, and dielectric loss through laboratory chemical analysis. However, this method is cumbersome and time-consuming, and requires professional experimental equipment and personnel, making it difficult to reflect the actual state of the transformer oil in a timely manner. In view of this, we propose a power grid transformer oil safety determination equipment. SUMMARY
[0004] The utility model aims at providing a power grid transformer oil safety determination equipment to solve the defects proposed in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] A power grid transformer oil safety determination equipment, comprising an oil storage tank, the oil storage tank is provided with two symmetrical conductive electrodes, the top end of the conductive electrode is fixedly installed with an insulating cylinder, the insulating cylinder is provided with a wiring hole arranged along the vertical direction, the wiring hole is provided with a cable, the bottom end of the cable is fixedly installed on the conductive electrode, the top end of the insulating cylinder is fixedly installed with a clamping block, the bottom of the clamping block is provided with a clamping groove, the clamping groove is clamped on the side plate body of the oil storage tank, a limiting disc is fixedly installed on the cable, one of the cables is electrically connected with an incandescent lamp, and a multimeter is fixedly installed on the side plate body of the oil storage tank.
[0007] Preferably, the limiting disc has an outer diameter greater than the hole diameter of the wiring hole, and the cross section of the clamping block is L-shaped.
[0008] Preferably, a plurality of support pads arranged in a matrix are fixedly installed on the bottom of the oil storage tank, and the height of the support pad is greater than 5 cm.
[0009] Preferably, an oil discharge assembly is arranged on the front side plate body of the oil storage tank, and the oil discharge assembly comprises a horizontal pipe fixedly installed on the front side plate body of the oil storage tank.
[0010] Preferably, the end of the horizontal pipe is fixedly provided with a vertical pipe arranged vertically, a threaded cover is threadedly connected to the top pipe body of the vertical pipe, and a blocking plug is connected to the bottom surface center of the threaded cover through a connecting rod and is in sliding connection with the vertical pipe.
[0011] Preferably, the bottom end of the vertical pipe is connected to the outside, the top end of the connecting rod is fixedly arranged at the bottom surface center of the threaded cover, the bottom end of the connecting rod is fixedly provided with a reinforcing disc, and the blocking plug is fixedly arranged on the bottom surface of the reinforcing disc.
[0012] Preferably, anti-skid stripes are arranged on the annular side surface of the threaded cover, and the length of the blocking plug is greater than the inner diameter of the horizontal pipe.
[0013] Preferably, an inclined surface is arranged on the bottom wall of the oil storage tank and is arranged downwardly inclined by 15-30° toward the side of the horizontal pipe.
[0014] Compared with the prior art, the utility model has the beneficial effects that:
[0015] 1. The oil storage tank is arranged for storing transformer oil, the conductive electrode is inserted into the transformer oil, and then the cable is used to connect the external power supply; at this time, if the transformer oil is a conductor, the incandescent lamp is lighted; when the incandescent lamp is not lighted, the current and voltage of the line on the side of the incandescent lamp are detected by the multimeter, the conductivity and conductivity performance of the transformer oil can be detected, and the effect of convenient and safe determination is achieved.
[0016] 2. The oil discharge assembly is arranged, so that the oil can be normally discharged after the test is completed, the blocking plug is arranged, so that the use of metal valves is reduced, and the adverse effects of metal materials on the conductivity determination are avoided. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is an exploded structural schematic diagram of the utility model;
[0019] Figure 3 It is a partial structural schematic diagram of the utility model;
[0020] Figure 4 It is an exploded structural schematic diagram of the oil discharge assembly of the utility model;
[0021] The meanings of the various reference numerals in the drawings are as follows:
[0022] 1, oil storage tank; 10, slope; 11, support pad; 12, multimeter; 13, conductive electrode; 14, insulating cylinder; 141, wiring hole; 15, clamping block; 151, clamping groove; 16, cable; 17, limiting disc; 18, incandescent lamp;
[0023] 2, oil discharge assembly; 20, horizontal pipe; 21, vertical pipe; 22, threaded cap; 221, anti-skid stripe; 23, connecting rod; 24, reinforcing disc; 25, plugging plug. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0025] Please refer to Figures 1-4 The present application provides a technical solution: an oil safety measuring device for power grid transformer, comprising an oil storage tank 1, the oil storage tank 1 is provided with two left and right symmetrical conductive electrodes 13, the top end of the conductive electrode 13 is fixedly installed with an insulating cylinder 14, the insulating cylinder 14 is provided with a wiring hole 141 arranged along the vertical direction, the wiring hole 141 is provided with a cable 16, the bottom end of the cable 16 is fixedly installed on the conductive electrode 13, the top end of the insulating cylinder 14 is fixedly installed with a clamping block 15, the cross section of the clamping block 15 is L-shaped, the bottom of the clamping block 15 is provided with a clamping groove 151, the clamping groove 151 is clamped on the side plate body of the oil storage tank 1, realizing clamping on the oil storage tank 1 for measuring operation;
[0026] Specifically, one of the cables 16 is electrically connected with an incandescent lamp 18, the incandescent lamp 18 is used for protecting the line, making the line conductive, and the incandescent lamp 18 can be lit; the side plate body of the oil storage tank 1 is fixedly installed with a multimeter 12, realizing that the current and voltage of the line can be measured by the multimeter 12, and realizing the safety measurement operation of the oil for power grid transformer.
[0027] In the embodiment, the cable 16 is fixedly installed with a limiting disc 17, the outer diameter of the limiting disc 17 is greater than the hole diameter of the wiring hole 141, so that the limiting disc 17 can abut against the top of the insulating cylinder 14, so that the effect that the cable 16 falls into the wiring hole 141 completely will not occur.
[0028] Specifically, as shown in Figure 1 and Figure 2 The bottom of the oil storage tank 1 is fixedly installed with a plurality of support pads 11 arranged in a matrix, the height of the support pad 11 is greater than 5 cm, realizing the support operation by the support pad 11.
[0029] Further, as shown in Figure 1 、 Figure 2 and Figure 4 , the front side plate body of the oil storage tank 1 is provided with an oil discharge assembly 2, the oil discharge assembly 2 comprises a horizontal pipe 20 fixedly installed on the front side plate body of the oil storage tank 1, the end of the horizontal pipe 20 is fixedly installed with a vertical pipe 21 arranged in a vertical manner, the top pipe body of the vertical pipe 21 is threadedly connected with a threaded cover 22, the bottom surface center position of the threaded cover 22 is connected with a blocking plug 25 through a connecting rod 23, the blocking plug 25 is located in the vertical pipe 21 and is slidably connected with the vertical pipe 21, the end of the horizontal pipe 20 is blocked by moving the blocking plug 25 to the corresponding position in the vertical pipe 21, and the entire oil discharge assembly 2 is made of insulating material, which can reduce the use of metal valves and avoid the adverse effects of metal material conduction on the test results.
[0030] In addition, the bottom end of the vertical pipe 21 is connected with the outside for normal oil discharge operation; the top end of the connecting rod 23 is fixedly installed at the bottom surface center position of the threaded cover 22, the bottom end of the connecting rod 23 is fixedly installed with a reinforcing disc 24, and the blocking plug 25 is fixedly installed on the bottom surface of the reinforcing disc 24, so that the reinforcing disc 24 can increase the fixed contact area with the blocking plug 25, and the overall structure is more firm and stable.
[0031] It is worth noting that the annular side surface of the threaded cover 22 is provided with anti-skid stripes 221 for anti-skid protection operation; the length of the blocking plug 25 is greater than the inner diameter of the horizontal pipe 20, so that the blocking plug 25 can normally perform the blocking operation after being moved to the end of the horizontal pipe 20.
[0032] It is worth noting that the bottom wall of the oil storage tank 1 is provided with an inclined surface 10, which is inclined downward by 15°-30° toward the side of the horizontal pipe 20, which is beneficial to the outward discharge of oil along the horizontal pipe 20 after the test is completed.
[0033] Finally, it should be noted that the conductive electrode 13, the cable 16, the incandescent lamp 18, the multimeter 12 and the external power supply and other components involved in the utility model are all general standard components or components known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through conventional experimental methods, all the electrical components in the idle place of the device are connected by wires, the specific connection means should be referred to the working principle of the utility model, the electrical connection between the electrical components is completed according to the working order, and the detailed connection means are all known technologies in the art.
[0034] The utility model discloses an oil safety measuring equipment for power grid transformer, which comprises a horizontal pipe, a storage tank, a threaded cap, a plugging plug, a clamping block, a conductive electrode and a cable.
[0035] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the utility model and are not intended to limit the utility model. Without departing from the spirit and scope of the utility model, various changes and improvements can be made to the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. A power grid transformer oil safety measuring device comprising an oil storage tank (1), characterized in that: The oil storage tank (1) is provided with two symmetrical conductive electrodes (13), the top end of the conductive electrode (13) is fixedly installed with an insulating cylinder (14), the insulating cylinder (14) is provided with a wiring hole (141) arranged along the vertical direction, the wiring hole (141) is provided with a cable (16), the bottom end of the cable (16) is fixedly installed on the conductive electrode (13), the top end of the insulating cylinder (14) is fixedly installed with a clamping block (15), the bottom of the clamping block (15) is provided with a clamping groove (151), the clamping groove (151) is clamped on the side plate of the oil storage tank (1), the cable (16) is fixedly installed with a limiting disc (17), one of the cables (16) is electrically connected with an incandescent lamp (18), and the side plate of the oil storage tank (1) is fixedly installed with a multimeter (12).
2. The power grid transformer oil safety measuring device according to claim 1, characterized in that: The limiting disc (17) has an outer diameter greater than the hole diameter of the wiring hole (141), and the clamping block (15) has an L-shaped cross section.
3. The oil safety measurement device for power grid transformers according to claim 1, characterized in that: The bottom of the oil storage tank (1) is fixedly installed with a plurality of support pads (11) arranged in a matrix, and the height of the support pad (11) is greater than 5cm.
4. The oil safety determination apparatus for a power grid transformer according to claim 1, characterized by: The front side plate of the oil storage tank (1) is provided with an oil discharge assembly (2), and the oil discharge assembly (2) comprises a horizontal pipe (20) fixedly installed on the front side plate of the oil storage tank (1).
5. The oil safety determination apparatus for a power grid transformer according to claim 4, characterized by: The end of the horizontal pipe (20) is fixedly installed with a vertical pipe (21) arranged vertically, the top pipe body of the vertical pipe (21) is threadedly connected with a threaded cover (22), the bottom surface center position of the threaded cover (22) is connected with a blocking plug (25) through a connecting rod (23), and the blocking plug (25) is located in the vertical pipe (21) and is connected with the vertical pipe (21) through sliding connection.
6. The oil safety determination apparatus for a power grid transformer according to claim 5, characterized by: The bottom end of the vertical pipe (21) is connected with the outside, the top end of the connecting rod (23) is fixedly installed at the bottom surface center position of the threaded cover (22), the bottom end of the connecting rod (23) is fixedly installed with a reinforcing disc (24), and the blocking plug (25) is fixedly installed on the bottom surface of the reinforcing disc (24).
7. The oil safety determination apparatus for a power grid transformer according to claim 6, characterized by: The annular side surface of the threaded cover (22) is provided with anti-skid stripes (221), and the length of the blocking plug (25) is greater than the inner diameter of the horizontal pipe (20).
8. The oil safety determination apparatus for a power grid transformer according to claim 5, characterized by: The bottom wall of the oil storage tank (1) is provided with an inclined surface (10) which is inclined downward by 15°-30° towards the side of the horizontal pipe (20).