CN213600816U

CN213600816U - On-spot insulating oil dielectric strength testing arrangement that uses

Info

Publication number: CN213600816U
Application number: CN202021861602.3U
Authority: CN
Inventors: 强林; 邱仁庆; 甄先理
Original assignee: Sichuan Hongcheng Electrical Appliance Co ltd
Current assignee: Sichuan Hongcheng Electrical Appliance Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-07-02
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses an on-spot insulating oil dielectric strength testing arrangement that uses relates to insulating oil test technical field. The utility model provides an on-spot insulating oil dielectric strength testing arrangement with, includes the test box, test groove has been seted up to the intermediate position at test box top, and the diapire activity that the test box is located test groove has placed test oil box, the equal swing joint in both sides of test oil box has the slide bar, and the slide bar is located the inside one end fixedly connected with test electrode of test oil box, the other end fixedly connected with high tension cable of slide bar, four footing contact of test oil box have the spacing footing. The utility model discloses a setting of activity lead screw, twist grip, pointer and scale has realized this utility model insulating oil dielectric strength testing arrangement is convenient for adjust and read test electrode's interval to improve its test dielectric strength data's comparability.

Description

On-spot insulating oil dielectric strength testing arrangement that uses

Technical Field

The utility model relates to an insulating oil test technical field specifically is an on-spot insulating oil dielectric strength testing arrangement that uses.

Background

The insulating oil is prepared by adding an antioxidant into deeply refined lubricating oil base oil, is mainly used as a dielectric medium of electrical equipment, and is used for insulating oil for a large part of electrical insulation of the electrical equipment, so that the insulating oil is important for an insulating oil test, and the dielectric strength of the insulating oil in most electrical equipment is required to be tested when the electrical equipment is overhauled, so that whether the electrical equipment has problems or not is judged, and then workers can conveniently overhaul the electrical equipment.

Dielectric strength is a measure of the electrical strength of a material as an insulator and is defined as the maximum voltage that a unit thickness can withstand when a specimen is broken down, expressed as volts per unit thickness, the greater the dielectric strength of a substance, the better it can be the quality of an insulator, and the dielectric strength test is to place the specimen between electrodes and measure its dielectric strength by raising the applied voltage through a series of steps until dielectric breakdown occurs, since the results of the measurements are in kv/mm, and thus it is only comparable to obtaining data for various materials for the same specimen thickness.

Most insulating oil dielectric strength testing arrangement is laboratory internal plant at present, is difficult to carry, and different insulating oil dielectric strength tests need adjust out different intervals with the electrode simultaneously, but most insulating oil dielectric strength testing arrangement's electrode interval is all unadjustable at present, for the comparability that improves the testing data, provides an on-the-spot insulating oil dielectric strength testing arrangement that uses especially.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an on-spot insulating oil dielectric strength testing arrangement with to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a testing device for dielectric strength of insulating oil for field use comprises a testing box body, wherein a testing groove is formed in the middle of the top of the testing box body, a testing oil box is movably placed on the bottom wall of the testing box body, sliding rods are movably connected to two sides of the testing oil box, one end, located inside the testing oil box, of each sliding rod is fixedly connected with a testing electrode, the other end of each sliding rod is fixedly connected with a high-voltage cable, four bottom feet of the testing oil box are in contact with limiting bottom feet, the bottoms of the limiting bottom feet are fixedly connected with the bottoms of the testing grooves, fixing plates are fixedly connected to the side walls, located on the front faces of the testing box bodies, of the testing box body, the number of the fixing plates is two, a graduated scale is fixedly connected to the bottoms between the fixing plates, a movable lead screw is movably connected to the top, and the threads of the movable screw rods at the two ends of the rotating handle are opposite, the middle parts of the movable screw rods at the two ends of the rotating handle are movably screwed with movable screw sleeves, one side of each movable screw sleeve is fixedly connected with an indicating needle, the other side of each movable screw sleeve is fixedly connected with a connecting rod, and one end of each connecting rod is fixedly connected with one side of each sliding rod.

Preferably, the four corners fixedly connected with box footing of test bottom of the case body, and one side activity hinge joint at test box top has the test case lid, the central point of test case capping puts fixedly connected with case lid handle, and one side fixed mounting at test case lid top has the sight glass, the sight glass is transparent material, the positive top fixedly connected with of test box connects the buckle soon.

Preferably, one side at test box top fixed mounting has electrical socket, switch, display screen and control panel in proper order, electrical socket and switch electric connection, display screen and control panel electric connection.

Preferably, activity lead screw and twist grip be integrated into one piece structure, and activity lead screw and twist grip are the metal material, anti-skidding line has been seted up on twist grip's surface.

Preferably, the testing box body and the box body bottom feet are fixedly welded, and the testing box cover and the box cover handle are fixedly welded.

Preferably, the test box body and the test box cover are both made of stainless steel.

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

(1) this on-spot insulating oil dielectric strength testing arrangement with, through test case lid, case lid handle and the setting of connecing the buckle soon for this utility model insulating oil dielectric strength testing arrangement portable, thereby need carry out the witnessed inspections time measuring, portable to the testing site.

(2) This on-spot insulating oil dielectric strength testing arrangement with, through the setting of activity lead screw, twist grip, pointer and scale, realized this utility model insulating oil dielectric strength testing arrangement is convenient for adjust and read test electrode's interval to improve its test dielectric strength data's comparability.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a top view of the present invention for removing the test box cover.

In the figure: 1. testing the box body; 2. bottom feet of the box body; 3. quickly connecting a buckle; 4. testing the box cover; 5. a case cover handle; 6. an observation mirror; 7. a power jack; 8. a power switch; 9. a display screen; 10. a control panel; 11. a test slot; 12. a limiting bottom foot; 13. testing the oil box; 14. a high voltage cable; 15. a slide bar; 16. a test electrode; 17. a fixing plate; 18. a graduated scale; 19. a movable screw rod; 20. rotating the handle; 21. a movable thread sleeve; 22. an indicator needle; 23. a connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-3, the utility model provides a technical solution: a dielectric strength testing device for insulating oil for field use comprises a testing box body 1, a testing groove 11 is arranged in the middle of the top of the testing box body 1, a testing oil box 13 is movably placed on the bottom wall of the testing groove 11 of the testing box body 1, sliding rods 15 are movably connected to two sides of the testing oil box 13, a testing electrode 16 is fixedly connected to one end, located inside the testing oil box 13, of each sliding rod 15, a high-voltage cable 14 is fixedly connected to the other end of each sliding rod 15, limiting feet 12 are in contact with four feet of the testing oil box 13, the bottoms of the limiting feet 12 are fixedly connected with the bottom of the testing oil box 11, fixing plates 17 are fixedly connected to the side walls, located on the front side of the testing box body 11, of the testing box body 1, two fixing plates 17 are arranged, a graduated scale 18 is fixedly connected to the bottoms between the fixing plates 17, a movable lead screw 19 is movably journalled to the top, and the threads of the movable screw rods 19 at the two ends of the rotating handle 20 are opposite, the movable screw sleeves 21 are movably screwed in the middle parts of the movable screw rods 19 at the two ends of the rotating handle 20, one sides of the movable screw sleeves 21 are fixedly connected with the indicating needle 22, the other sides of the movable screw sleeves 21 are fixedly connected with the connecting rod 23, and one end of the connecting rod 23 is fixedly connected with one side of the sliding rod 15.

As shown in fig. 1 and 2, four corners fixedly connected with box footing 2 of test box 1 bottom, and one side activity hinge joint at test box 1 top has test box lid 4, and the central point on test box lid 4 top puts fixedly connected with case lid handle 5, and one side fixed mounting at test box lid 4 top has sight glass 6, and sight glass 6 is transparent material, and the positive top fixedly connected with of test box 1 connects buckle 3 soon.

As shown in fig. 3, a power jack 7, a power switch 8, a display screen 9 and a control panel 10 are sequentially and fixedly installed on one side of the top of the testing box body 1, the power jack 7 is electrically connected with the power switch 8, and the display screen 9 is electrically connected with the control panel 10.

As shown in fig. 3, the movable screw rod 19 and the rotating handle 20 are integrally formed, the movable screw rod 19 and the rotating handle 20 are made of metal, and the surface of the rotating handle 20 is provided with anti-slip threads.

As shown in fig. 1 and 2, the test box body 1 is fixed to the box bottom 2 by welding, and the test box cover 4 is fixed to the box cover handle 5 by welding.

As shown in fig. 1, the test box 1 and the test box cover 4 are both made of stainless steel.

The working principle is as follows: when needs use this utility model device to insulating oil's dielectric strength test, at first through case lid handle 5, carry this utility model device to the testing field, further rotation twist grip 20 is adjusted to suitable size with the interval between test electrode 16, and further inside the insulating oil of electrical equipment inside emits and adds to test oil box 13, and further through high tension cable 14 switch-on, the voltage at further slow promotion test electrode 16 both ends punctures insulating oil until voltage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an on-spot insulating oil dielectric strength testing arrangement with, includes test box (1), its characterized in that: the testing device is characterized in that a testing groove (11) is formed in the middle of the top of the testing box body (1), a testing oil box (13) is movably placed on the bottom wall of the testing box body (1) positioned at the testing groove (11), sliding rods (15) are movably connected to two sides of the testing oil box (13), one end, positioned inside the testing oil box (13), of each sliding rod (15) is fixedly connected with a testing electrode (16), the other end of each sliding rod (15) is fixedly connected with a high-voltage cable (14), four bottom feet of the testing oil box (13) are in contact with limiting bottom feet (12), the bottoms of the limiting bottom feet (12) are fixedly connected with the bottoms of the testing grooves (11), fixing plates (17) are fixedly connected to the side walls, positioned on the front sides of the testing grooves (11), the number of the fixing plates (17) is two, and a graduated scale (18) is fixedly connected to the, and the top activity coupling between fixed plate (17) has activity lead screw (19), the middle part fixedly connected with twist grip (20) of activity lead screw (19), and the activity lead screw (19) screw thread at twist grip (20) both ends is opposite, the equal activity spiro union in middle part of the activity lead screw (19) at twist grip (20) both ends has activity silk braid (21), one side fixedly connected with pointer (22) of activity silk braid (21), and the opposite side fixedly connected with connecting rod (23) of activity silk braid (21), and one side fixed connection of the one end of connecting rod (23) and slide bar (15).

2. The insulating oil dielectric strength testing device for the field according to claim 1, wherein: four corners fixedly connected with box footing (2) of test box (1) bottom, and one side activity hinge joint at test box (1) top has test case lid (4), central point on test case lid (4) top puts fixedly connected with case lid handle (5), and one side fixed mounting at test case lid (4) top has sight glass (6), sight glass (6) are transparent material, test box (1) positive top fixedly connected with connects buckle (3) soon.

3. The insulating oil dielectric strength testing device for the field according to claim 2, wherein: one side at test box (1) top is fixed mounting in proper order has electrical socket (7), switch (8), display screen (9) and control panel (10), electrical socket (7) and switch (8) electric connection, display screen (9) and control panel (10) electric connection.

4. The insulating oil dielectric strength testing device for the field according to claim 2, wherein: the movable screw rod (19) and the rotating handle (20) are of an integrally formed structure, the movable screw rod (19) and the rotating handle (20) are made of metal materials, and anti-skid grains are formed in the surface of the rotating handle (20).

5. The insulating oil dielectric strength testing device for the field according to claim 2, wherein: the test box body (1) and the box body bottom foot (2) are fixedly welded, and the test box cover (4) and the box cover handle (5) are fixedly welded.

6. The insulating oil dielectric strength testing device for the field according to claim 5, wherein: the test box body (1) and the test box cover (4) are both made of stainless steel.