CN220366206U - Transformer oil level sensor - Google Patents

Abstract

The utility model discloses a transformer oil level sensor, which comprises a liquid level meter body, wherein the liquid level meter body measures the transformer oil level by utilizing an echo ranging principle, and further comprises a base, a rectangular shell is arranged at the lower part of the liquid level meter body, transverse guide rails are arranged at two sides of an inner cavity of the shell, two sliding blocks are connected in a sliding manner in the inner cavity of the guide rails, a cross rod is fixedly connected between the two sliding blocks which are horizontally opposite, clamping jaws are respectively and fixedly connected to the two cross rods, an arc-shaped clamping groove is formed in the inner side of each clamping jaw, a ball head is arranged at the upper side of the base, the two clamping jaws are clamped in the middle after being mutually closed, and a clamping state is maintained between the two clamping jaws through an elastic mechanism. The base is fixed on the transformer, and after the lower extreme middle part of two clamping jaws is aimed at the bulb and is pushed down, can promote two clamping jaws and open, the bulb is pressed from both sides between two draw-in grooves, realizes the fixed mounting to the level gauge body, and upward lifting can make clamping jaw and bulb break away from and relieve fixedly, therefore the installation is dismantled conveniently, convenient maintenance is changed.

Description

Transformer oil level sensor

Technical Field

The utility model relates to the technical field of liquid level meters, in particular to a transformer oil level sensor.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and an iron core, so that a large amount of heat is generated when the transformer operates, the transformer is usually cooled by adopting oil liquid, the heat is dissipated through a radiator by the up-down convection of the oil liquid, the transformer can normally operate, the heat dissipation effect of the transformer is influenced by the height of an internal oil level, the height of the oil liquid is monitored by a conventional liquid level meter at present, and the liquid level meter can be divided into an immersed type and a non-contact type according to the working mode. The non-contact type liquid level meter is mounted on the top of the transformer in a screw or screwed mode by utilizing the principle of echo ranging, and the liquid level meter is inconvenient to mount and dismount.

Disclosure of Invention

The utility model aims to provide a transformer oil level sensor for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a transformer oil level sensor, includes the level gauge body, and the level gauge body utilizes echo ranging principle to measure transformer oil level, still includes the base, the lower part of level gauge body is equipped with the casing of rectangle, and the inner chamber both sides of casing are equipped with horizontal guide rail, the inner chamber sliding connection of guide rail has two sliders, fixedly connected with horizontal pole between two sliders that the level is relative, fixedly connected with clamping jaw respectively on two horizontal poles, and the inboard of clamping jaw is equipped with curved draw-in groove, the upside of base is equipped with the bulb, two with the bulb clamp in the middle after the clamping jaw draws close each other, two maintain the clamping state through elastic mechanism between the clamping jaw.

Preferably, the inner side of the clamping groove is adhered with an anti-slip pad, and the base is of a circular structure and is provided with a round hole penetrating up and down.

Preferably, the elastic mechanism comprises a telescopic rod and a spring, wherein the telescopic rod is vertically and fixedly connected to the bottom of the liquid level meter body, connecting rods are hinged to two sides of the lower end of the telescopic rod, the other ends of the connecting rods are hinged to the cross rods, the telescopic rod is sleeved with the spring, and the spring provides upward pulling force for the lower end of the telescopic rod.

Preferably, a pulling button is arranged on the side face of the lower end of the telescopic rod, a vertical long-strip hole is formed in the shell, and the pulling button penetrates through the long-strip hole and is movably connected with the long-strip hole.

Compared with the prior art, the utility model has the beneficial effects that: the base is fixed on the transformer, and after the bulb is pushed down in the lower extreme middle part of two clamping jaws, can promote two clamping jaws and open and make the bulb be pressed from both sides between two draw-in grooves, realize the fixed mounting to the level gauge body, upwards lift and draw can make clamping jaw and bulb break away from and release fixedly, therefore the installation is dismantled conveniently, convenient maintenance is changed.

Drawings

FIG. 1 is a schematic view of a partially cut-away structure of the present utility model;

fig. 2 is a schematic diagram of a front view structure of the present utility model.

In the figure: 1. a level gauge body; 2. a base; 3. a housing; 4. ball head; 5. a telescopic rod; 6. a spring; 7. a connecting rod; 8. a guide rail; 9. a dial button; 10. a clamping jaw; 11. and (5) a strip hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a transformer oil level sensor, includes level gauge body 1, and level gauge body 1 utilizes echo ranging principle to measure transformer oil level, through the transformer transmission sound wave to its lower part to detect the height of echo measurement oil level liquid level, still include base 2, base 2 is circular structure and its round hole that runs through about being equipped with, and base 2 passes through the screw and is connected fixedly with the transformer.

The lower part of the liquid level meter body 1 is provided with a rectangular shell 3, two sides of an inner cavity of the shell 3 are provided with transverse guide rails 8, the inner cavity of each guide rail 8 is slidably connected with two sliding blocks, a transverse rod is fixedly connected between the two sliding blocks which are horizontally opposite, clamping jaws 10 are respectively fixedly connected to the two transverse rods, the inner sides of the clamping jaws 10 are provided with arc clamping grooves, anti-slip pads are adhered to the inner sides of the clamping grooves, the upper side of the base 2 is provided with a ball head 4, the ball head 4 is clamped in the middle after the two clamping jaws 10 are mutually closed, the clamping grooves are matched with the outline of the ball head 4, and clamping states are maintained between the two clamping jaws 10 through an elastic mechanism, so that the liquid level meter body 1 is conveniently fixed.

The elastic mechanism comprises a telescopic rod 5 and a spring 6, wherein the telescopic rod 5 is vertically and fixedly connected to the bottom of the liquid level meter body 1, connecting rods 7 are hinged to two sides of the lower end of the telescopic rod 5, the other ends of the connecting rods 7 are hinged to the cross rods, the spring 6 is sleeved on the telescopic rod 5, the spring 6 provides an upward pulling force for the lower end of the telescopic rod 5, and two clamping jaws 10 are close to each other to achieve clamping. The lower extreme side of telescopic link 5 is equipped with dials button 9, is equipped with vertical rectangular hole 11 on the casing 3, dials button 9 and runs through rectangular hole 11 and rather than swing joint, also can make two clamping jaw 10 open through pushing down dials button 9, releases fixedly.

Working principle: the base 2 is fixed on a transformer, after the middle parts of the lower ends of the two clamping jaws 10 are aligned with the ball heads 4 and pressed down, the two clamping jaws 10 can be pushed to open, the ball heads 4 are clamped between the two clamping grooves, the fixed mounting of the liquid level meter body 1 is realized, and the clamping jaws 10 and the ball heads 4 can be separated and released by lifting the liquid level meter body 1 upwards.

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

Claims (4)

1. The utility model provides a transformer oil level sensor, includes level gauge body (1), and level gauge body (1) utilize echo ranging principle to measure transformer oil level, its characterized in that: still include base (2), the lower part of level gauge body (1) is equipped with casing (3) of rectangle, and the inner chamber both sides of casing (3) are equipped with horizontal guide rail (8), the inner chamber sliding connection of guide rail (8) has two sliders, fixedly connected with horizontal pole between two sliders that the level is relative, fixedly connected with clamping jaw (10) respectively on two crossbars, and the inboard of clamping jaw (10) is equipped with curved draw-in groove, the upside of base (2) is equipped with bulb (4), two with bulb (4) clamp in the centre after clamping jaw (10) draw close each other, two maintain the clamping state through elastic mechanism between clamping jaw (10).

2. A transformer oil level sensor as claimed in claim 1, wherein: the inner side of the clamping groove is adhered with an anti-slip pad, and the base (2) is of a round structure and is provided with round holes penetrating up and down.

3. A transformer oil level sensor as claimed in claim 1, wherein: the elastic mechanism comprises a telescopic rod (5) and a spring (6), wherein the telescopic rod (5) is vertically and fixedly connected to the bottom of the liquid level meter body (1), connecting rods (7) are hinged to two sides of the lower end of the telescopic rod (5), the other ends of the connecting rods (7) are hinged to the cross rods, the telescopic rod (5) is sleeved with the spring (6), and the spring (6) provides upward pulling force for the lower end of the telescopic rod (5).

4. A transformer oil level sensor as claimed in claim 3, wherein: the telescopic handle is characterized in that a poking button (9) is arranged on the side face of the lower end of the telescopic handle (5), a vertical strip hole (11) is formed in the shell (3), and the poking button (9) penetrates through the strip hole (11) and is movably connected with the strip hole.