Anti-corrosion radar liquid level meter

Abstract

The utility model discloses an anti-corrosion radar liquid level meter, which belongs to the technical field of radar liquid level meters and comprises a radar liquid level meter body, a wave guide tube arranged at the bottom end of the radar liquid level meter body and a connecting seat arranged at the top end of the wave guide tube. A boss is arranged at the top end of the connecting base, a cover shell is symmetrically installed below the connecting base, a connecting block is integrally formed on the outer wall, corresponding to the boss, of the top end of the cover shell, the connecting block is rotationally connected with the boss, and the cover shell can rotate reversely and reset through contraction of the movable end of an electric telescopic rod. Meanwhile, the sealing rubber strips at the butt joint parts of the two housings abut against each other to be used for filling gaps at the joint parts of the housings, and the waveguide is shielded on the inner sides of the housings, so that rainwater is prevented from being attached to the outer wall of the waveguide, the problem that the surface of the waveguide is oxidized and corroded by the rainwater can be prevented, and the anti-corrosion effect of the waveguide is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of radar level gauges, and more specifically to an anti-corrosion radar level gauge. Background Art

[0002] Radar level meter is a general-purpose radar level meter. It is a measuring instrument based on the time travel principle. Radar waves run at the speed of light, and the running time can be converted into a level signal through electronic components. The probe emits a high-frequency pulse that propagates at the speed of light in space. When the pulse encounters the surface of the material, it is reflected back and received by the receiver in the instrument, and the distance signal is converted into a level signal.

[0003] However, the current radar level meter is generally directly exposed to the outside when in use, which makes the radar level meter easily eroded by rainwater, resulting in oxidation and corrosion of the surface of the waveguide by rainwater, thus reducing the service life of the radar level meter. An existing patent for an anti-corrosion radar level meter, with patent authorization number CN 219714485 U, can wipe and clean the rainwater on the surface of the waveguide when it rains, thereby avoiding the problem of oxidation and corrosion of the surface of the waveguide by rainwater, and achieving an anti-corrosion effect.

[0004] However, in patent authorization number CN 219714485 U, after rainwater sticks to the waveguide, the motor can be driven to drive the gear and the bevel gear to rotate, so that the gear can roll along the gear ring through the meshing transmission of the gear and the gear ring, so that it can drive the horizontal seat to rotate and drive the cleaning strip to make a circular motion, so as to wipe and clean the rainwater on the surface of the waveguide. After the water droplets attached to the surface of the waveguide are scraped off by the cleaning strip, a small amount of fine water droplets will still be attached to the outer wall and the bottom end of the waveguide, and its anti-corrosion effect is not ideal. Therefore, we propose an anti-corrosion radar level meter to solve the above-mentioned problems. Utility Model Content

[0005] In view of the problems existing in the prior art, the purpose of the utility model is to provide an anti-corrosion radar level gauge, which can shrink the movable end of the electric telescopic rod to make the cover shell rotate in the opposite direction and reset, and at the same time make the sealing strips at the joints of the two cover shells abut against each other to fill the gap at the joint of the cover shells, so as to shield the waveguide on the inner side of the cover shell, thereby avoiding the outer wall of the waveguide from being contaminated by rainwater, thereby preventing the problem of corrosion of the surface of the waveguide due to oxidation by rainwater, and improving the anti-corrosion effect of the waveguide.

[0006] To solve the above problems, the utility model adopts the following technical solutions.

[0007] An anti-corrosion radar level gauge comprises a radar level gauge body, a waveguide installed at the bottom end of the radar level gauge body and a connecting seat installed at the top end of the waveguide, wherein the outer wall of the connecting seat is symmetrically fixedly connected with bosses;

[0008] A cover is symmetrically installed below the connection seat, and a connection block is integrally formed on the outer wall of the top of the cover corresponding to the boss, and the connection block is rotatably connected to the boss;

[0009] The outer wall of the connecting seat between the bosses is fixedly connected with a first connecting column head, the outer wall of the cover shell corresponding to the first connecting column head is fixedly connected with a second connecting column head, an electric telescopic rod is installed between the first connecting column head and the second connecting column head, and both ends of the electric telescopic rod are rotatably connected with the first connecting column head and the second connecting column head respectively;

[0010] The abutting parts of the two cover shells are inlaid with sealing strips.

[0011] Furthermore, a storage box is fixedly connected to the inner bottom wall of the housing, and a desiccant is placed inside the storage box.

[0012] Furthermore, a box cover is detachably connected to the top of the storage box, and the box cover is provided with through holes in an array.

[0013] Furthermore, a flange is integrally formed on the edge of the lower surface of the box cover, and a rubber ring abutting against the inner wall of the top opening of the storage box is inlaid on the outer facade of the flange.

[0014] Furthermore, a hinge is provided between the boss and the connecting block, and two hinges of the hinge are respectively connected to the boss and the connecting block by screws.

[0015] Furthermore, connecting ears are installed at both ends of the electric telescopic rod.

[0016] Furthermore, a bearing is installed on the surface of the connecting ear, and the bearing is respectively interference-connected with the first connecting column head and the second connecting column head.

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] (1) In this solution, after the radar level meter body completes its work, the movable end of the electric telescopic rod is retracted to cause the cover to rotate in the opposite direction and reset. At the same time, the sealing strips at the joints of the two cover shells are abutted against each other to fill the gap at the joint of the cover shells, and the waveguide is shielded on the inner side of the cover shell, thereby preventing the outer wall of the waveguide from being stained by rainwater, thereby preventing the surface of the waveguide from being corroded by oxidation due to rainwater, and improving the anti-corrosion effect of the waveguide.

[0019] (2) This solution places appropriate desiccant on the inside of the storage box, and then installs the box cover on the top of the storage box so that the flange is embedded in the inner side of the top opening of the storage box, and the rubber ring is in contact with the inner wall of the top opening of the storage box to ensure the assembly stability of the box cover. The through holes provided on the surface of the box cover allow the desiccant to absorb the water vapor on the inside of the cover to ensure the dryness of the environment inside the cover, thereby improving the corrosion resistance of the waveguide. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0021] Figure 2 This is a schematic diagram of the cover opening of the utility model;

[0022] Figure 3 This is a schematic diagram of the hinge structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the inner structure of the cover shell of the utility model;

[0024] Figure 5 It is a schematic diagram of the box cover structure of the utility model.

[0025] Description of the numbers in the figure:

[0026] Radar level meter body; 2. Waveguide; 3. Connecting seat; 4. Boss; 5. Cover; 6. Connecting block; 7. Hinge; 8. First connecting column head; 9. Second connecting column head; 10. Electric telescopic rod; 11. Connecting ear; 12. Sealing strip; 13. Storage box; 14. Box cover; 15. Flange; 16. Rubber ring. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model. Example

[0028] See also Figure 1-5 , an anti-corrosion radar level gauge, comprising a radar level gauge body 1, a waveguide 2 installed at the bottom end of the radar level gauge body 1 and a connecting seat 3 installed at the top end of the waveguide 2, wherein the outer wall of the connecting seat 3 is symmetrically fixedly connected with a boss 4;

[0029] A cover 5 is symmetrically installed below the connection seat 3, and a connection block 6 is integrally formed on the outer wall of the top of the cover 5 corresponding to the boss 4, and the connection block 6 is rotatably connected to the boss 4;

[0030] The outer wall of the connection seat 3 between the bosses 4 is fixedly connected with a first connection column head 8, the outer wall of the cover 5 corresponding to the first connection column head 8 is fixedly connected with a second connection column head 9, an electric telescopic rod 10 is installed between the first connection column head 8 and the second connection column head 9, and the two ends of the electric telescopic rod 10 are rotatably connected with the first connection column head 8 and the second connection column head 9 respectively;

[0031] The abutting part of the two housings 5 ​​is inlaid with a sealing strip 12;

[0032] It should be noted that, by connecting the electric telescopic rod 10 to an external control device, the control device is used to control the extension and retraction of the movable end of the electric telescopic rod 10. When the radar level meter body 1 is working, the movable end of the electric telescopic rod 10 is extended, so that the two ends of the electric telescopic rod 10 respectively cooperate with the first connecting column head 8 and the second connecting column head 9 to rotate, and the cover shell 5 is rotated and opened through the connecting block 6 and the boss 4, and the radar level meter body 1 cooperates with the waveguide 2 to work. When the radar level meter body 1 completes the work, the movable end of the electric telescopic rod 10 is contracted to make the cover shell 5 rotate in the opposite direction and reset, and at the same time, the sealing strips 12 at the joints of the two cover shells 5 are abutted to fill the gap at the joint of the cover shells 5, and the waveguide 2 is blocked on the inner side of the cover shell 5, thereby avoiding the outer wall of the waveguide 2 from being attached to rainwater, thereby preventing the problem of corrosion of the surface of the waveguide 2 due to oxidation by rainwater, and improving the anti-corrosion effect of the waveguide 2.

[0033] like Figure 4 , Figure 5 As shown, a storage box 13 is fixedly connected to the inner bottom wall of the housing 5, and a desiccant is placed inside the storage box 13. A box cover 14 is detachably connected to the top of the storage box 13, and the box cover 14 is provided with through holes in an array. A flange 15 is integrally formed on the edge of the lower surface of the box cover 14, and a rubber ring 16 abutting against the inner wall of the top opening of the storage box 13 is inlaid on the outer surface of the flange 15.

[0034] It should be noted that, by placing a suitable desiccant on the inner side of the storage box 13 (the desiccant may be a chemical desiccant, such as calcium sulfate and calcium chloride, which dry by combining with water to form a hydrate; or a physical desiccant, such as silica gel and activated alumina, which dry by physically adsorbing water), and then installing the box cover 14 on the top of the storage box 13, the flange 15 is embedded in the inner side of the top opening of the storage box 13, and the rubber ring 16 is abutted against the inner wall of the top opening of the storage box 13 to ensure the assembly stability of the box cover 14. In addition, the desiccant can absorb the water vapor on the inner side of the cover shell 5 by cooperating with the through holes provided on the surface of the box cover 14 to ensure the dryness of the environment inside the cover shell 5, thereby improving the corrosion resistance of the waveguide 2.

[0035] like Figure 1 , Figure 3As shown, a hinge 7 is provided between the boss 4 and the connecting block 6, and two hinges of the hinge 7 are connected to the boss 4 and the connecting block 6 respectively by screws;

[0036] It should be noted that the hinge 7 is used to connect the boss 4 and the connecting block 6 , so that the connecting block 6 can be turned in coordination with the boss 4 , thereby realizing the opening and closing of the cover shell 5 .

[0037] like Figure 1 As shown, both ends of the electric telescopic rod 10 are equipped with connecting ears 11, and the surface of the connecting ears 11 is equipped with bearings, and the bearings are respectively connected with the first connecting column head 8 and the second connecting column head 9 by interference fit;

[0038] It should be noted that the friction between the connecting ear 11 and the first connecting column head 8 and the second connecting column head 9 is reduced, and the rotation accuracy of the electric telescopic rod 10 is guaranteed.

[0039] During use: the control device is connected to the electric telescopic rod 10, and the control device is used to control the extension and retraction of the movable end of the electric telescopic rod 10. When the radar level meter body 1 is working, the movable end of the electric telescopic rod 10 is extended, so that the two ends of the electric telescopic rod 10 respectively cooperate with the first connecting column head 8 and the second connecting column head 9 to rotate, and the cover shell 5 is rotated and opened through the connecting block 6 and the boss 4. The radar level meter body 1 cooperates with the waveguide 2 to work. After the radar level meter body 1 completes the work, the movable end of the electric telescopic rod 10 is contracted to make the cover shell 5 rotate in the opposite direction and reset. At the same time, the sealing strips 12 at the joint parts of the two cover shells 5 are abutted to fill the gap at the joint of the cover shells 5, and the waveguide 2 is blocked on the inner side of the cover shell 5, thereby preventing the outer wall of the waveguide 2 from being stained with rainwater.

[0040] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A corrosion-resistant radar level gauge, comprising a radar level gauge body (1), a waveguide (2) installed at the bottom end of the radar level gauge body (1), and a connecting seat (3) installed at the top end of the waveguide (2), characterized in that: The outer wall of the connection seat (3) is symmetrically and fixedly connected with a boss (4); A cover shell (5) is symmetrically mounted below the connection seat (3); a connection block (6) is integrally formed on the outer wall of the top end of the cover shell (5) corresponding to the boss (4), and the connection block (6) is rotatably connected to the boss (4); The outer wall of the connection seat (3) located between the bosses (4) is fixedly connected to a first connection column head (8); the outer wall of the cover shell (5) corresponding to the first connection column head (8) is fixedly connected to a second connection column head (9); an electric telescopic rod (10) is installed between the first connection column head (8) and the second connection column head (9); and two ends of the electric telescopic rod (10) are rotatably connected to the first connection column head (8) and the second connection column head (9), respectively; A sealing strip (12) is embedded in the abutting portion of the two cover shells (5).

2. The anti-corrosion radar level gauge according to claim 1, characterized in that: A storage box (13) is fixedly connected to the inner bottom wall of the cover shell (5), and a desiccant is placed inside the storage box (13).

3. The anti-corrosion radar level gauge according to claim 2, characterized in that: The top of the storage box (13) is detachably connected to a box cover (14), and the box cover (14) is provided with through holes in an array.

4. The anti-corrosion radar level gauge according to claim 3, characterized in that: A flange (15) is integrally formed on the edge of the lower surface of the box cover (14), and a rubber ring (16) is inlaid on the outer surface of the flange (15) and abuts against the inner wall of the top opening of the storage box (13).

5. The anti-corrosion radar level gauge according to claim 1, characterized in that: A hinge (7) is provided between the boss (4) and the connecting block (6), and two hinges of the hinge (7) are respectively connected to the boss (4) and the connecting block (6) by means of screws.

6. The anti-corrosion radar level gauge according to claim 1, characterized in that: Connecting ears (11) are installed at both ends of the electric telescopic rod (10).

7. The anti-corrosion radar level gauge according to claim 6, characterized in that: A bearing is mounted on the surface of the connecting ear (11), and the bearing is respectively interference-connected with the first connecting column head (8) and the second connecting column head (9).

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