Radar liquid level meter

Abstract

The utility model provides a radar liquid level meter which comprises a radar liquid level meter body, a flange fixedly connected with the radar liquid level meter body is arranged at the bottom of the radar liquid level meter body in a sleeved mode, a soft rubber sleeve is installed in the middle of the lower surface of the flange, a radome is installed at the lower end of the soft rubber sleeve, an L-shaped plate is installed on the outer surface of the radome, and the L-shaped plate is fixedly connected with the flange. An extrusion rod is arranged on the upper side of the horizontal part of the L-shaped plate, a guide hole matched with the extrusion rod is formed in the upper surface of the flange, a limiting barrel concentric with the guide hole is arranged on the upper side of the guide hole, a round hole is formed in the upper surface of the limiting barrel, and the upper end of the extrusion rod penetrates through the round hole; the extrusion rod is sleeved with a sealing plug fixedly connected with the extrusion rod, the sealing plug is installed in the limiting barrel in a sliding mode, and a spring used for enabling the sealing plug to move upwards is arranged between the guide hole and the sealing plug.

Description

TECHNICAL FIELD

[0001] The utility model relates to a radar liquid level meter belongs to liquid level meter field. BACKGROUND

[0002] Radar liquid level meter usually determines the height of liquid level in the container by transmitting and receiving microwave or high frequency electromagnetic wave. When these electromagnetic waves pass through the storage tank space and contact the liquid surface, part of the energy will be reflected back to the radar sensor. The liquid in the storage tank space will produce floating droplets during the stirring process, and the droplets will adhere to the radome of the radar liquid level meter in the internal space of the storage tank. At this time, the radar wave will be scattered by the droplets adhered to the radome, causing part of the signal that should be directly reflected back to the radar antenna to be dispersed, thereby affecting the signal strength and quality received finally and affecting the measurement accuracy. After the installation of the radar liquid level meter is completed, the radome is in the internal space of the storage tank, and it is troublesome to clean the droplets adhered to the radome. Therefore, a radar liquid level meter for conveniently processing the droplets adhered to the radome is needed to be designed. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a radar liquid level meter to solve the problems raised in the background art. The utility model realizes convenient processing of the droplets adhered to the radome.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a radar liquid level meter, comprising a radar liquid level meter body, a flange connected and fixed with the radar liquid level meter body is sleeved at the bottom of the radar liquid level meter body, a soft rubber sleeve is installed at the middle position of the lower surface of the flange, an antenna radome is installed at the lower end of the soft rubber sleeve, an L-shaped plate is installed on the outer surface of the antenna radome, an extrusion rod is arranged on the upper side of the horizontal part of the L-shaped plate, a guide hole matched with the extrusion rod is formed on the upper surface of the flange, the upper end of the extrusion rod penetrates through the guide hole and extends to the upper side of the flange, a limiting cylinder concentrically arranged with the guide hole is arranged on the upper side of the guide hole, the lower end of the limiting cylinder is open and connected and fixed with the flange, a circular hole is formed on the upper surface of the limiting cylinder, the upper end of the extrusion rod penetrates through the circular hole, a sealing plug connected and fixed with the extrusion rod is sleeved on the extrusion rod, the sealing plug is slidingly installed in the limiting cylinder, a spring for moving the sealing plug upward is arranged between the guide hole and the sealing plug, and the spring is sleeved on the extrusion rod.

[0005] Further, a connecting ring connected and fixed with the limiting cylinder is sleeved at the lower end of the limiting cylinder, a convex ring is arranged on the lower side of the connecting ring, the convex ring is concentrically arranged with the guide hole, the convex ring is connected and fixed with the flange, a plurality of small holes are annularly and equidistantly formed on the upper surface of the connecting ring, a screw is inserted into each small hole, and the screw is threadedly connected in a screw hole formed in the convex ring.

[0006] Further, the upper end of the extrusion rod is connected with a horizontal plate, and the end of the horizontal plate away from the extrusion rod extends to the outside of the flange edge position.

[0007] Further, the horizontal plate is provided with a threaded blind hole at the position of installing the extrusion rod, and the upper end of the extrusion rod is externally threaded, and the upper end of the extrusion rod is screwed in the threaded blind hole.

[0008] Further, the upper surface of the soft rubber sleeve is connected with an upper ring, the upper ring is adhered to the flange by glue, the lower end of the soft rubber sleeve is connected with a lower ring, the upper end of the radome is sleeved with a butt ring connected with the radome, the lower ring is adhered to the butt ring by glue, and the vertical part of the L-shaped plate is installed on the lower surface of the butt ring.

[0009] Further, the upper ring and the soft rubber sleeve are integrally formed, and the lower ring and the soft rubber sleeve are integrally formed.

[0010] The beneficial effects of the utility model are as follows:

[0011] 1. When the limiting cylinder is installed on the flange by using a screw, the connecting ring on the limiting cylinder is aligned with the convex ring, then the screw is screwed through the connecting ring and is screwed with the convex ring, the assembly of the limiting cylinder and the flange is completed, and the thickness of the flange mounting screw part is locally increased.

[0012] 2. The soft rubber sleeve is used to connect the flange and the radome, the flexible connection of the radome and the flange is realized, the extrusion rod is pressed downward, the sealing plug is driven to move downward in the limiting cylinder, at this time, the sealing plug extrudes the spring to make the spring elastically deform, the sealing plug returns to the original position under the action of the spring elastic force when the extrusion rod is not pressed, the movement of the extrusion rod and the sealing are not interfered with each other, and the L-shaped plate is extruded when the extrusion rod moves downward, the L-shaped plate forces the radome to shake, so that the radome quickly drips the attached liquid drops, and the attached liquid drops on the radome are conveniently handled.

[0013] 3. The horizontal plate is installed on the extrusion rod, one end of the horizontal plate extends to the outside of the flange edge position, so that the part of pressing the extrusion rod is in the space outside the flange, sufficient space is provided for operating the extrusion rod, and the direction of the horizontal plate can be adjusted, so that the horizontal plate can be adjusted to the required position. BRIEF DESCRIPTION OF DRAWINGS

[0014] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments with reference to the following drawings:

[0015] Figure 1 It is a structure schematic view of the utility model radar liquid level meter;

[0016] Figure 2The utility model provides a radar liquid level meter middle A place amplification diagram;

[0017] Figure 3 The utility model provides another perspective solid drawing of a radar liquid level meter,

[0018] Figure 4 The utility model provides a radar liquid level meter middle soft rubber sleeve and flange assembly schematic drawing,

[0019] Figure 5 The utility model provides a radar liquid level meter middle extrusion rod and limit cylinder assembly schematic drawing,

[0020] Figure 6 The utility model provides a radar liquid level meter middle sealing plug, spring, extrusion rod and limit cylinder assembly sectional view schematic drawing,

[0021] In the drawing: 1-radar liquid level meter body, 2-flange, 3-limit cylinder, 4-cross plate, 5-extrusion rod, 6-connection ring, 7-screw, 8-convex ring, 9-antenna cover, 10-L type board, 11-soft rubber sleeve, 12-upper ring, 13-butting ring, 14-guide hole, 15-lower ring, 16-spring, 17-sealing plug. DETAILED DESCRIPTION

[0022] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] Please refer to Figure 1 , Figure 3 and Figure 4 , the utility model provides a kind of technical scheme: a kind of radar liquid level meter, including radar liquid level meter body 1, radar liquid level meter body 1 bottom sleeve is equipped with with the flange 2 of fixed connection with radar liquid level meter body 1, flange 2 lower surface middle position is installed with soft rubber sleeve 11, soft rubber sleeve 11 lower end is installed with antenna cover 9, wherein soft rubber sleeve 11 upper surface is connected with the upper ring 12 of integrally formed with soft rubber sleeve 11, soft rubber sleeve 11 lower end is connected with the lower ring 15 of integrally formed with soft rubber sleeve 11, antenna cover 9 upper end is equipped with with the butting ring 13 of fixed connection with antenna cover 9, so that upper ring 12 is adhered with flange 2 by glue, and so that lower ring 15 is adhered with butting ring 13 by glue, increase the connection range of soft rubber sleeve 11 and flange 2, antenna cover 9, utilize soft rubber sleeve 11 to connect flange 2 and antenna cover 9, realize the flexible connection of antenna cover 9 and flange 2.

[0024] Please refer to Figures 1-5The lower surface of the adapter ring 13 is provided with an L-shaped plate 10, the upper side of the horizontal part of the L-shaped plate 10 is provided with an extrusion rod 5, the upper surface of the flange 2 is provided with a guide hole 14 matched with the extrusion rod 5, the upper end of the extrusion rod 5 penetrates through the guide hole 14 and extends to the upper side of the flange 2, the upper side of the guide hole 14 is provided with a limiting cylinder 3 concentrically arranged with the guide hole 14, the lower end of the limiting cylinder 3 is open and connected and fixed with the flange 2, wherein the lower end of the limiting cylinder 3 is sleeved with a connecting ring 6 connected and fixed with the limiting cylinder 3, the lower side of the connecting ring 6 is provided with a convex ring 8, the convex ring 8 is concentrically arranged with the guide hole 14, the convex ring 8 is connected and fixed with the flange 2, a plurality of small holes are annularly and equidistantly formed on the upper surface of the connecting ring 6, and a screw 7 is inserted into each small hole, the screw 7 is threadedly connected into a threaded hole formed in the convex ring 8, when the limiting cylinder 3 is installed on the flange 2 by using the screw 7, the connecting ring 6 on the limiting cylinder 3 is aligned with the convex ring 8, then the screw 7 is threadedly connected with the convex ring 8 after penetrating through the connecting ring 6, the assembly of the limiting cylinder 3 and the flange 2 is completed, and the thickness of the part of the flange 2 where the screw 7 is installed is locally increased.

[0025] Referring to Figures 1-6 A circular hole is formed in the upper surface of the limiting cylinder 3, the upper end of the extrusion rod 5 penetrates through the circular hole, a sealing plug 17 is sleeved on the extrusion rod 5 and connected and fixed with the extrusion rod 5, the sealing plug 17 is slidingly installed in the limiting cylinder 3, a spring 16 for moving the sealing plug 17 upward is arranged between the guide hole 14 and the sealing plug 17, the spring 16 is sleeved on the extrusion rod 5, the extrusion rod 5 is pressed downward, the extrusion rod 5 drives the sealing plug 17 to move downward in the limiting cylinder 3, at this time, the sealing plug 17 extrudes the spring 16 to make the spring 16 elastically deform, when the extrusion rod 5 is not pressed, the sealing plug 17 returns to the original position under the elastic recovery force of the spring 16, the movement of the extrusion rod 5 and the sealing are not interfered with each other, at the same time, when the extrusion rod 5 moves downward, the extrusion rod 5 extrudes the L-shaped plate 10, the L-shaped plate 10 forces the radome 9 to shake, so that the radome 9 quickly drips the liquid drops attached thereto, and the liquid drops attached to the radome 9 are conveniently handled.

[0026] Referring to Figures 1-3 The upper end of the extrusion rod 5 is connected and fixed with a horizontal plate 4, one end of the horizontal plate 4 away from the extrusion rod 5 extends to the outside of the edge part of the flange 2, wherein a threaded blind hole is formed in the position where the horizontal plate 4 is installed on the extrusion rod 5, an outer thread is processed on the outer surface of the upper end of the extrusion rod 5, the upper end of the extrusion rod 5 is threadedly connected in the threaded blind hole, the assembly of the extrusion rod 5 and the horizontal plate 4 is completed, the horizontal plate 4 is installed on the extrusion rod 5, one end of the horizontal plate 4 extends to the outside of the edge part of the flange 2, so that the part where the extrusion rod 5 is pressed is in the space outside the flange 2, sufficient space is provided for operating the extrusion rod 5, at the same time, the direction of the horizontal plate 4 is adjustable, and the horizontal plate 4 is conveniently adjusted to the required position.

[0027] Although the present specification is described in terms of embodiments, not every embodiment exhibits every characteristic or implements every combination of features described in the present specification. In addition, not every embodiment includes every embodiment described in the present specification. The description herein of any embodiment, including any preferred embodiment, is thus intended to be illustrative, and not restrictive. The scope of the present application is thus intended to be broad, and will be set forth in the following claims.

Claims

1. A radar level gauge comprising a radar level gauge body (1), characterized in that: The radar liquid level meter body (1) bottom is provided with a flange (2) connected with the radar liquid level meter body (1), the lower surface of the flange (2) is provided with a soft rubber sleeve (11), the lower end of the soft rubber sleeve (11) is provided with an antenna cover (9), the outer surface of the antenna cover (9) is provided with an L-shaped plate (10), the upper side of the horizontal part of the L-shaped plate (10) is provided with an extrusion rod (5), the upper surface of the flange (2) is provided with a guide hole (14) matched with the extrusion rod (5), the upper end of the extrusion rod (5) penetrates the guide hole (14) and extends to the upper side of the flange (2), the upper side of the guide hole (14) is provided with a limiting cylinder (3) concentrically arranged with the guide hole (14), the lower end of the limiting cylinder (3) is open and connected with the flange (2), the upper surface of the limiting cylinder (3) is provided with a circular hole, the upper end of the extrusion rod (5) penetrates the circular hole, the extrusion rod (5) is provided with a sealing plug (17) connected with the extrusion rod (5), the sealing plug (17) is slidably arranged in the limiting cylinder (3), the guide hole (14) and the sealing plug (17) are provided with a spring (16) for moving the sealing plug (17) upward, and the spring (16) is sleeved on the extrusion rod (5).

2. A radar level gauge according to claim 1, characterized in that: The lower end of the limiting cylinder (3) is provided with a connecting ring (6) connected with the limiting cylinder (3), the lower side of the connecting ring (6) is provided with a convex ring (8), the convex ring (8) is concentrically arranged with the guide hole (14), and the convex ring (8) is connected with the flange (2). The upper surface of the connecting ring (6) is annularly and equidistantly provided with a plurality of small holes, and the screws (7) are inserted into the small holes, and the screws (7) are threadedly connected in the screw holes of the convex ring (8).

3. A radar level gauge according to claim 1, characterized in that: The upper end of the extrusion rod (5) is connected with a horizontal plate (4), and the end of the horizontal plate (4) away from the extrusion rod (5) extends to the outside of the edge of the flange (2).

4. A radar level gauge according to claim 3, characterized in that: The position where the horizontal plate (4) is connected with the extrusion rod (5) is provided with a threaded blind hole, the outer surface of the upper end of the extrusion rod (5) is provided with an external thread, and the upper end of the extrusion rod (5) is threadedly connected in the threaded blind hole.

5. A radar level gauge according to claim 1, characterized in that: The upper surface of the soft rubber sleeve (11) is connected with an upper ring (12), the upper ring (12) is glued to the flange (2), the lower end of the soft rubber sleeve (11) is connected with a lower ring (15), the upper end of the antenna cover (9) is sleeved with a butt ring (13) connected with the antenna cover (9), the lower ring (15) is glued to the butt ring (13) through glue, and the vertical part of the L-shaped plate (10) is arranged on the lower surface of the butt ring (13).

6. A radar level gauge according to claim 5, characterized in that: The upper ring (12) and the soft rubber sleeve (11) are an integral structure, and the lower ring (15) and the soft rubber sleeve (11) are an integral structure.

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