Insulating oil dielectric loss and resistivity tester with impact cleaning function

Abstract

The utility model relates to the technical field of resistivity testers, in particular to an insulating oil dielectric loss and resistivity tester with an impact cleaning function, which enables injection of an oil sample to impact and clean attached impurities which are difficult to discharge in an oil cup, thereby avoiding disassembly of the oil cup and improving cleaning rapidness of the oil cup. Comprising an operation screen; the device further comprises an upper box body, an oil cup groove, a high-pressure pump, a main circuit module and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of resistivity testers, in particular to an insulating oil dielectric loss and resistivity tester with impact cleaning functions. Background Art

[0002] Automatic oil-draining insulating oil dielectric loss and resistivity measuring instruments are widely used. After the oil sample is injected into the oil cup and the test is completed, it can be discharged through the oil drain pipe, without the need to manually remove the oil cup for oil sample discharge and replacement.

[0003] In the existing insulating oil dielectric loss and resistivity testers, for example, an insulating oil dielectric loss and resistivity tester disclosed in the utility model patent with application number 202022593135.7, the utility model provides an insulating oil dielectric loss and resistivity tester, which can stably fix the insulating oil dielectric loss and resistivity tester body on the base through four fixing mechanisms, and then adjust the height through the cylinder, and cooperate with the slide frame to correct the slide under the limit of the rectangular frame to make it more stable. At the same time, it is equipped with two ground contact mechanisms to make the device more stable after moving.

[0004] In the prior art, oil samples flow out of the oil cup due to gravity, and the flow rate is slow. Therefore, when impurities enter the oil cup and adhere to the inner wall of the oil cup, it is difficult to discharge them through normal oil draining operations, and the oil cup needs to be disassembled and cleaned. Therefore, it is necessary to provide an insulating oil dielectric loss and resistivity measuring instrument with impact cleaning function to deal with the attached impurities that are difficult to discharge in the oil cup and avoid disassembling the oil cup. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an insulating oil dielectric loss and resistivity tester with impact cleaning function, which enables the spray of oil sample to impact clean the attached impurities in the oil cup that are difficult to discharge, thereby avoiding disassembly of the oil cup and improving the speed of cleaning.

[0006] The utility model discloses an insulating oil dielectric loss and resistivity tester with impact cleaning function, comprising an operation screen; an upper box body, a lower box body, an oil drain nozzle, an oil cup groove, an oil cup, a flip cover, an oil cup fixing module, an oil cup socket, a high-pressure pump fixing plate, a high-pressure pump, a switch valve, a switch valve fixing plate and a main circuit module; by operating the operation screen, the operation screen sends an oil drain instruction to the main circuit module, the main circuit module controls the high-pressure pump and the switch valve to open, and the oil sample is ejected from the oil cup through the oil cup socket to the switch valve and then through the high-pressure pump and the oil drain nozzle, thereby flushing the impurities attached to the oil cup.

[0007] Preferably, the operation screen is embedded in the upper box body and fixed by screws, the flap is connected to the upper box body by a joint hinge and can be opened or closed, the upper box body is connected to the lower box body and fixed by screws, and the oil drain nozzle is embedded in the lower box body and fixed by a nut; oil is filled and stored by opening and closing the flap, and oil is drained through the oil drain nozzle.

[0008] Preferably, the oil cup groove is connected to the upper box body and fixed by screws, the oil cup groove is connected to the oil cup fixing module and fixed by screws, the oil cup socket is provided with an oil cup insertion port and an outlet, the oil cup socket is connected to the oil cup fixing module and fixed by screws, the oil cup is provided with an oil filling port and an oil outlet, and it is a structure of oil filling at the upper end and oil outlet at the lower end, the lower end of the oil cup is inserted into the oil cup socket, the oil outlet at the lower end of the oil cup has an external thread, and the oil cup insertion port of the oil cup socket has an internal thread, and the two are connected by threads; the oil sample passes through the oil cup and then flows out through the oil cup socket.

[0009] Preferably, the high-pressure pump fixing plate is connected to the lower box body and fixed by screws, the high-pressure pump fixing plate is connected to the high-pressure pump and fixed by screws, the switch valve fixing plate is connected to the lower box body and fixed by screws, the switch valve fixing plate is connected to the switch valve and fixed by screws, and the main circuit module is connected to the lower box body and fixed by screws; the oil sample is blocked and discharged by the switch valve in cooperation with the switch valve fixing plate.

[0010] Preferably, the operation panel is connected to the main circuit module via a wire, the main circuit module is connected to the high-pressure pump via a wire, the main circuit module controls the opening or closing of the high-pressure pump, the main circuit module is connected to the switch valve via a wire, and the main circuit module controls the opening or closing of the switch valve; through operation of the operation panel, the main circuit module performs corresponding work.

[0011] Preferably, the main circuit module includes the measurement function of dielectric loss and resistivity, which makes the device easy to operate and the results accurate.

[0012] Preferably, the outlet of the oil cup socket is connected to the inlet of the switch valve through a sealing hose, the outlet of the switch valve is connected to the inlet of the high-pressure pump through a sealing hose, and the outlet of the high-pressure pump is connected to the oil drain nozzle through a sealing hose; the hose enables the equipment to operate more smoothly in various environments and reduces the cost of use.

[0013] Compared with the prior art, the utility model has the following beneficial effects: by operating the operating screen, the operating screen sends the oil drain instruction to the main circuit module, the main circuit module controls the high-pressure pump and the switch valve to open, and the oil sample is ejected from the oil cup through the oil cup socket to the switch valve through the high-pressure pump and the oil drain nozzle, thereby flushing the impurities attached to the oil cup. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the axonometric structure of the oil cup groove-oil cup fixing module-oil cup socket connection of the utility model;

[0016] Figure 3 It is a schematic diagram of the axonometric structure of the connection of the components of the lower box body of the utility model;

[0017] Figure 4 It is a schematic diagram of the axonometric structure of the oil passage of the utility model.

[0018] Markings in the attached figure: 1. Operation panel; 2. Upper box body; 3. Lower box body; 4. Oil drain nozzle; 5. Oil cup groove; 6. Oil cup; 61. Oil filling port; 62. Oil outlet; 7. Flip cover; 8. Oil cup fixing module; 9. Oil cup socket; 91. Oil cup insertion port; 92. Outlet; 10. High-pressure pump fixing plate; 11. High-pressure pump; 12. Switch valve; 13. Switch valve fixing plate; 14. Main circuit module. DETAILED DESCRIPTION

[0019] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Example

[0020] like Figures 1 to 4 As shown, an insulating oil dielectric loss and resistivity tester with impact cleaning function includes an operation screen 1, an upper box body 2, a lower box body 3, an oil drain nozzle 4, an oil cup groove 5, an oil cup 6, a flip cover 7, an oil cup fixing module 8, an oil cup socket 9, a high-pressure pump fixing plate 10, a high-pressure pump 11, a switch valve 12, a switch valve fixing plate 13 and a main circuit module 14;

[0021] The operation screen 1 is embedded in the upper box body 2 and fixed by screws. The flip cover 7 is connected to the upper box body 2 by a joint hinge and can be opened or closed. The upper box body 2 is connected to the lower box body 3 and fixed by screws. The oil drain nozzle 4 is embedded in the lower box body 3 and fixed by nuts.

[0022] The oil cup groove 5 is connected to the upper box body 2 and fixed by screws. The oil cup groove 5 is connected to the oil cup fixing module 8 and fixed by screws. The oil cup socket 9 is provided with an oil cup insertion port 91 and an outlet 92. The oil cup socket 9 is connected to the oil cup fixing module 8 and fixed by screws. The oil cup 6 is provided with an oil filling port 61 and an oil outlet 62, which is a structure of oil filling at the upper end and oil outlet at the lower end. The lower end of the oil cup 6 is inserted into the oil cup socket 9. The oil outlet 62 at the lower end of the oil cup 6 has an external thread, and the oil cup insertion port 91 of the oil cup socket 9 has an internal thread, and the two are connected by threads.

[0023] The high-pressure pump fixing plate 10 is connected to the lower box body 3 and fixed by screws. The high-pressure pump fixing plate 10 is connected to the high-pressure pump 11 and fixed by screws. The switch valve fixing plate 13 is connected to the lower box body 3 and fixed by screws. The switch valve fixing plate 13 is connected to the switch valve 12 and fixed by screws. The main circuit module 14 is connected to the lower box body 3 and fixed by screws.

[0024] The operation panel 1 is connected to the main circuit module 14 through a wire, the main circuit module 14 is connected to the high-pressure pump 11 through a wire, the main circuit module 14 controls the opening or closing of the high-pressure pump 11, the main circuit module 14 is connected to the switch valve 12 through a wire, the main circuit module 14 controls the opening or closing of the switch valve 12;

[0025] The main circuit module 14 includes the measurement functions of dielectric loss and resistivity;

[0026] The outlet 92 of the oil cup socket 9 is connected to the inlet of the switch valve 12 through a sealing hose, the outlet of the switch valve 12 is connected to the inlet of the high-pressure pump 11 through a sealing hose, and the outlet of the high-pressure pump 11 is connected to the oil discharge nozzle 4 through a sealing hose;

[0027] Before starting the impact oil drainage, the switch valve 12 and the high-pressure pump 11 are both in the closed state, the oil sample cannot be discharged, and is stored in the oil cup 6. When the oil drainage function in the operation screen 1 is selected, the operation screen 1 sends the oil drainage instruction to the main circuit module 14, and the main circuit module 14 controls the high-pressure pump 11 and the switch valve 12 to open. The oil sample can instantly pass through the oil cup 6 through the oil cup socket 9 to the switch valve 12 and then be ejected through the high-pressure pump 11 and the oil drainage nozzle 4, so that the injection of the oil sample can impact and clean the attached impurities in the oil cup that are difficult to discharge, thereby avoiding disassembling the oil cup and improving the speed of its cleaning.

[0028] like Figures 1 to 4As shown, the utility model is an insulating oil dielectric loss and resistivity tester with impact cleaning function. When it is working, before starting the impact oil discharge, the switch valve 12 and the high-pressure pump 11 are both in a closed state, the oil sample cannot be discharged, and is stored in the oil cup 6. When the oil discharge function in the operation screen 1 is selected, the operation screen 1 sends the oil discharge instruction to the main circuit module 14, and the main circuit module 14 controls the high-pressure pump 11 and the switch valve 12 to open. The oil sample can instantly pass through the oil cup 6 through the oil cup socket 9 to the switch valve 12 and then be ejected through the high-pressure pump 11 and the oil discharge nozzle 4.

[0029] The main function achieved by the utility model is that during the working process of the resistivity tester, the oil sample is sprayed to impact and clean the attached impurities in the oil cup which are difficult to discharge, thereby avoiding disassembling the oil cup and improving the quickness of its cleaning.

[0030] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An insulating oil dielectric loss and resistivity tester with impact cleaning function, comprising an operating screen (1); characterized in that: It also includes an upper box body (2), a lower box body (3), an oil discharge nozzle (4), an oil cup groove (5), an oil cup (6), a flip cover (7), an oil cup fixing module (8), an oil cup socket (9), a high-pressure pump fixing plate (10), a high-pressure pump (11), a switch valve (12), a switch valve fixing plate (13) and a main circuit module (14).

2. The insulating oil dielectric loss and resistivity tester with impact cleaning function as claimed in claim 1, characterized in that: The operation screen (1) is embedded in the upper box body (2) and fixed by screws. The flap (7) is connected to the upper box body (2) by a joint hinge and can be opened or closed. The upper box body (2) is connected to the lower box body (3) and fixed by screws. The oil drain nozzle (4) is embedded in the lower box body (3) and fixed by a nut.

3. The insulating oil dielectric loss and resistivity tester with impact cleaning function as claimed in claim 1, characterized in that: The oil cup groove (5) is connected to the upper box body (2) and fixed by screws. The oil cup groove (5) is connected to the oil cup fixing module (8) and fixed by screws. The oil cup socket (9) is provided with an oil cup insertion port (91) and an outlet (92). The oil cup socket (9) is connected to the oil cup fixing module (8) and fixed by screws. The oil cup (6) is provided with an oil filling port (61) and an oil outlet (62), which is a structure of oil filling at the upper end and oil outlet at the lower end. The lower end of the oil cup (6) is inserted into the oil cup socket (9). The oil outlet (62) at the lower end of the oil cup (6) has an external thread, and the oil cup insertion port (91) of the oil cup socket (9) has an internal thread. The two are connected by threads.

4. The insulating oil dielectric loss and resistivity tester with impact cleaning function as claimed in claim 1, characterized in that: The high-pressure pump fixing plate (10) is connected to the lower box body (3) and fixed by screws. The high-pressure pump fixing plate (10) is connected to the high-pressure pump (11) and fixed by screws. The switch valve fixing plate (13) is connected to the lower box body (3) and fixed by screws. The switch valve fixing plate (13) is connected to the switch valve (12) and fixed by screws. The main circuit module (14) is connected to the lower box body (3) and fixed by screws.

5. The insulating oil dielectric loss and resistivity tester with impact cleaning function as claimed in claim 1, characterized in that: The operation panel (1) is connected to the main circuit module (14) via a wire, the main circuit module (14) is connected to the high-pressure pump (11) via a wire, the main circuit module (14) controls the opening or closing of the high-pressure pump (11), the main circuit module (14) is connected to the switch valve (12) via a wire, and the main circuit module (14) controls the opening or closing of the switch valve (12).

6. The insulating oil dielectric loss and resistivity tester with impact cleaning function as claimed in claim 1, characterized in that: The main circuit module (14) includes the measurement functions of dielectric loss and resistivity.

7. The insulating oil dielectric loss and resistivity tester with impact cleaning function as claimed in claim 1, characterized in that: The outlet (92) of the oil cup socket (9) is connected to the inlet of the switch valve (12) via a sealing hose, the outlet of the switch valve (12) is connected to the inlet of the high-pressure pump (11) via a sealing hose, and the outlet of the high-pressure pump (11) is connected to the oil discharge nozzle (4) via a sealing hose.

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