CN220289177U - Silicon oil experimental device for medium-voltage cable - Google Patents

Abstract

The utility model discloses a silicone oil experiment device of a medium-voltage cable, which comprises an oil bath container, a heating device, a test tube rack and an industrial camera, wherein the oil bath container is provided with a plurality of oil inlets; the test tube is positioned on the test tube rack, the test tube rack is positioned in the oil bath container, and the test tube is used for placing a cable sample; the oil bath container comprises a back plate and a front plate, wherein the back plate and the front plate are transparent plates, and the industrial camera is arranged in front of the front plate; the heating device is connected with the oil bath container. The transparent front plate and the industrial camera can enable the cooking cable and photographing observation to be carried out simultaneously, constant temperature environment in the cable observation process is guaranteed, complicated steps of repeatedly taking out and putting in are avoided, on-site clean environment is guaranteed, operation is simple and convenient, and a silicone oil experiment of a cable sample can be independently completed by a single person.

Description

Silicon oil experimental device for medium-voltage cable

Technical Field

The utility model relates to a cable detection device, in particular to a silicone oil experimental device for a medium-voltage cable.

Background

The purpose of the cable silicone oil test is to examine the condition of impurities inside the cable insulating layer or around the breakdown point, and to analyze the cause of problems occurring in the processing of the cable or cable failure by utilizing the characteristic that the cable becomes transparent in hot silicone oil. Medium voltage cables typically comprise an inner shielding layer, an insulating layer and an outer shielding layer, and for ease of observation, in silicone oil experiments, a cable sample of a certain length is split, the conductors are removed and the outer shielding layer is stripped off. At present, the experiment method of the silicone oil of the medium-voltage cable is relatively crude, namely, the medium-voltage cable is placed in a beaker, a proper amount of silicone oil is injected, the beaker is placed in an oven at about 130 ℃, and after the cable becomes transparent, the beaker is taken out for observation, and a photographing record is carried out. The method has the defects that firstly, the beaker is limited in volume, cable samples put in each time are limited, secondly, the constant temperature of the silicone oil cannot be ensured, the samples are not transparent after the temperature is reduced, and the observation is inconvenient.

Disclosure of Invention

In order to solve the problem of inconvenience in silicone oil experiments of cables, the utility model provides a silicone oil experiment device of a medium-voltage cable.

A silicone oil experiment device of a medium-voltage cable comprises an oil bath container, a heating device, a test tube rack and an industrial camera; the test tube is positioned on the test tube rack, the test tube rack is positioned in the oil bath container, and the test tube is used for placing a cable sample; the oil bath container comprises a back plate and a front plate, wherein the back plate and the front plate are transparent plates, and the industrial camera is arranged in front of the front plate; the heating device is connected with the oil bath container.

Further, the test tube also comprises a weight. The weight is used for counteracting the buoyancy of the cable, and the cable is prevented from floating upwards.

Further, a hook is arranged below the bottom surface of the weight and used for hanging a cable.

Further, a cable swivel handle is included, which is coupled to the cable sample. The cable rotary handle may be served by the weight described above.

Further, a mobile device is included, the mobile device being connected to the industrial camera.

Further, the moving device comprises a universal telescopic rod and a translation device.

Further, the oil bath device also comprises an LED light source, wherein the LED light source is installed on the back plate through a light source bracket, and the light source surface of the LED light source faces the oil bath container.

Further, the test tube rack further comprises a weight bracket, wherein the weight bracket is positioned on the upper layer of the test tube rack, the weight bracket is in a groined shape, and the weight is positioned on the weight bracket. The weight bracket is used for supporting the weight above the test tube opening

Further, the heating device also comprises a heating controller, and the heating controller is connected with the heating device.

Further, the transparent plate is a transparent quartz plate or a transparent plastic plate.

The utility model has the advantages that:

the transparent front plate and the industrial camera can enable the cooking cable and photographing observation to be carried out simultaneously, constant temperature environment in the cable observation process is guaranteed, complicated steps of repeatedly taking out and putting in are avoided, on-site clean environment is guaranteed, operation is simple and convenient, and a silicone oil experiment of a cable sample can be independently completed by a single person. And moreover, the weight can not only weigh down the cable, but also rotate the cable, so that the observation and photographing are more convenient.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic elevational view of an experimental set-up;

FIG. 2 is a schematic top view of the experimental set-up;

FIG. 3 is a schematic side view of the experimental set-up;

meaning of reference numerals in the drawings: the device comprises an oil bath container 10, a heating device 7, an industrial camera 6, a test tube 4, a test tube rack 14, weights 2, weight brackets 12, hooks 5, a translation sliding rail 60, universal telescopic rods 61, an LED light source 8, a back plate 101, a front plate 102, a heating hole 15, a heating controller 1, a cable sample 3 and a light source bracket 18.

Detailed Description

In order to make the application objects, features and advantages of the present application more obvious and understandable, the technical solutions of 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, and it is apparent that the embodiments described below are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The utility model is further elucidated below in connection with the drawings and the specific embodiments.

In the description of the present application, it should be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.

Example 1

The embodiment provides a silicone oil experimental device of a medium voltage cable, as shown in fig. 1, 2 and 3, comprising an oil bath container 1, a heating device 7, a heating controller 1, an industrial camera 6, a translation sliding rail 60, a universal telescopic rod 61, an LED light source 8 and a light source bracket 18, wherein the heating device 7 is connected with the heating controller 1, and the heating controller controls the heating temperature and the heating time of the heating device so that the temperature of the silicone oil in the oil bath container is kept at about 130 ℃. In the embodiment, the heating device is arranged below the oil bath container, and conducts heat through the heating hole 15 at the bottom of the oil bath container, so as to heat the silicone oil.

The oil bath container comprises a test tube 4, a test tube rack 14, weights 2 and weight brackets 12, wherein the weight brackets are in a groined shape, the length of the oblique angle of the opening of the groined shape is slightly smaller than the diameter of the weights, and the weight brackets are carried on the top layer of the test tube rack. The bottom of weight is equipped with couple 5, and the couple is a pair of, can balance the gesture of cable sample in silicone oil better. The cable sample 3 is hung on the hook and put into the test tube, the test tube 4 is fixed on the test tube rack 14, the weight 2 is placed on the weight bracket 12, the weight not only can counteract the buoyancy of the cable, but also can avoid the cable from floating upwards; the cable rotating handle can also be used as a cable rotating handle, and the cable rotating handle rotates in a cross-shaped opening to drive the cable to rotate in the test tube, so that different cable angles are presented to the industrial camera.

As shown in fig. 2, the oil bath container comprises a back plate 101 and a front plate 102, which are both high temperature resistant transparent plates, and can be transparent quartz plates or transparent plastic plates. The translation slide rail 60 is a rectangle circle placed in the middle, installs on the front bezel, and universal telescopic link 61's one end can be moved on the translation slide rail, and industrial camera 6 is installed to the other end, can see through transparent front bezel and shoot the state of the cable sample in the oil bath container. The universal telescopic rod not only can stretch out and draw back, can 360 rotations, can finely adjust the camera position, the position of the industrial camera in fig. 1 is placed in the middle, but can carry out 180 rotations to the right with the industrial camera through the universal telescopic rod. The industrial camera 6 is connected with a computer, and the movement, photographing and photo storage of the industrial camera are controlled by the computer.

In other embodiments, the translational slide may be another form, such as a single slide above the front plate, and the telescopic length is adjusted by the universal telescopic rod to reach the position to be photographed.

The LED light source 8 is mounted on the back plate 101 through the light source bracket 18, and the light source of the LED light source faces the oil bath container. Light emitted by the LED light source irradiates the cable sample through the transparent backboard, so that the photographing of the industrial camera is clearer.

The experimental device in this embodiment was used as follows:

and injecting a proper amount of silicone oil into the oil bath container 1 and the test tube 4, wherein the liquid level of the silicone oil in the oil bath container is not higher than the bottom surface of the weight 2. Test tube 4 is fixed on test tube rack 14, and the trompil is put in medium voltage cable sample tip position, hangs the medium voltage cable sample on the couple through the hole, puts into test tube 4, and weight 2 is put on weight support 12. The heating device 7 is controlled by the heating controller 1 to heat the silicone oil in the oil bath container to 130 ℃ and then the constant temperature control is performed, and at the moment, the cable sample becomes transparent. The LED light source positioned on the back plate is turned on, the industrial camera 6 is turned on, the position and the angle of the industrial camera are adjusted through the translation sliding rail 60 and the universal telescopic rod 61 positioned on the front plate of the oil bath container, the state of the cable sample is shot and recorded, the angle of the cable sample is rotated through the weight 2, and the impurity defects and the conditions near the breakdown point inside insulating layers of different surfaces of the cable sample are shot. If there is more than one cable sample, the position of the industrial camera is adjusted to the next sample by translating the slide rail and universal telescopic rod.

The preferred embodiments of the present utility model have been described in detail above, but the present utility model is not limited to the specific details of the above embodiments, and various equivalent changes (such as number, shape, position, etc.) may be made to the technical solution of the present utility model within the scope of the technical concept of the present utility model, and these equivalent changes all belong to the protection of the present utility model.

In the description of the present specification, a particular feature, structure, material, or characteristic described may be combined in any suitable manner in one or more embodiments or examples. Furthermore, any use of the terms "or," or "in the description of the claims is intended to mean" non-exclusive or.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims (10)

1. The silicone oil experiment device of the medium-voltage cable is characterized by comprising an oil bath container, a heating device, a test tube rack and an industrial camera; the test tube is positioned on the test tube rack, the test tube rack is positioned in the oil bath container, and the test tube is used for placing a cable sample; the oil bath container comprises a back plate and a front plate, wherein the back plate and the front plate are transparent plates, and the industrial camera is arranged in front of the front plate; the heating device is connected with the oil bath container.

2. The silicone oil testing device of a medium voltage cable according to claim 1, further comprising a weight on the test tube.

3. The silicone oil experimental device for the medium voltage cable according to claim 2, wherein a hook is arranged below the bottom surface of the weight, and the hook is used for hanging the cable.

4. The silicone oil testing device of a medium voltage cable according to claim 1, further comprising a cable swivel handle, the cable swivel handle being connected to the cable sample.

5. The silicone oil experiment device of a medium voltage cable according to claim 1, further comprising a mobile device, said mobile device being connected to said industrial camera.

6. The silicone oil experiment device of a medium voltage cable according to claim 5, wherein the moving device comprises a universal telescopic rod and a translating device.

7. The silicone oil experimental device of a medium voltage cable according to claim 1, further comprising an LED light source mounted on the back plate by a light source bracket, a light source face of the LED light source facing the oil bath container.

8. The silicone oil experiment device of a medium voltage cable according to claim 2, further comprising a weight holder, wherein the weight holder is positioned on the upper layer of the test tube holder, the weight holder is in a groined shape, and the weight is positioned on the weight holder.

9. The silicone oil experiment device of a medium voltage cable according to claim 1, further comprising a heating controller connected to the heating device.

10. The silicone oil experimental device of a medium voltage cable according to claim 1, wherein the transparent plate is a transparent quartz plate or a transparent plastic plate.