Return difference control type buoy liquid level controller

Abstract

The utility model discloses a return difference control type buoy liquid level controller which comprises a connecting flange, a controller assembly, a rod piece, a protection assembly and a cleaning assembly, the controller assembly is arranged at the top end of the connecting flange, the rod piece is arranged at the bottom of the controller assembly, and the protection assembly is arranged on the bottom of the controller assembly. The protection assembly comprises a top base connected to the bottom of the connecting flange through screws, a metal net frame arranged at the bottom end of the top base and a bottom plate arranged at the bottom end of the metal net frame. The cleaning assembly comprises a vertical rod inserted in the top base and the connecting flange in a penetrating mode, a fixing ring arranged at the bottom end of the vertical rod and brush wires arranged on the inner side of the fixing ring. By arranging the protection assembly, under the condition that use of the buoy liquid level controller is not affected, the protection effect is achieved, abrasion caused by collision with hard objects in the installation and carrying process is avoided, contact of impurities or foreign matter is greatly reduced, accuracy is high, and meanwhile by arranging the cleaning assembly, the protection assembly is convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of a hysteresis control type float liquid level controller, in particular to a hysteresis control type float liquid level controller. Background Art

[0002] The hysteresis-controlled float level controller is an automated control device that combines the hysteresis control principle with float level measurement technology. Hysteresis refers to the range of liquid level deviation allowed by the level controller near the set value. When the liquid level exceeds the set value, the controller will automatically adjust the liquid level to return it to the set value. During the adjustment process, due to fluctuations in the liquid level, the controller will not stop adjusting immediately, but will allow the liquid level to fluctuate within a set hysteresis range to maintain the stability of the system. When using a hysteresis-controlled float level controller, since the float is exposed to the outside, it is easy to hit hard objects and wear during installation and transportation, resulting in reduced accuracy. At the same time, when there are impurities or foreign matter in the liquid, the impurities or foreign matter can easily hinder the movement of the float, which will also reduce accuracy. There are certain shortcomings. For this reason, we have proposed a hysteresis-controlled float level controller. Utility Model Content

[0003] The utility model aims to solve the problems existing in the prior art or related technologies.

[0004] To this end, the technical solution adopted by the present invention is: a hysteresis controlled float liquid level controller, including a connecting flange, a controller assembly, a rod, a protective assembly and a cleaning assembly, the controller assembly is arranged at the top of the connecting flange, the rod is arranged at the bottom of the controller assembly, the protective assembly includes a top seat screwed to the bottom of the connecting flange, a metal grid arranged at the bottom end of the top seat and a bottom plate arranged at the bottom end of the metal grid, the cleaning assembly includes a vertical rod inserted through the top seat and the connecting flange, a fixing ring arranged at the bottom end of the vertical rod and a brush arranged on the inside of the fixing ring.

[0005] Preferably, a fixing tube is arranged on the top end of the connecting flange, and a fastening knob is threadedly connected to the fixing tube, and the fastening knob is a T-shaped stud.

[0006] Preferably, an interface for connecting to a power supply is provided on the right side of the controller component.

[0007] Preferably, an upper limit buoy and a lower limit buoy are sequentially provided on the rod.

[0008] Preferably, a mounting hole and a socket are provided on the top seat, and the socket is connected to the vertical rod through insertion.

[0009] Preferably, two vertical rods are provided, and the two vertical rods are interlacedly connected with corresponding fixing pipes.

[0010] By adopting the above technical scheme, the beneficial effects achieved by the utility model are as follows: the utility model realizes the protection effect without affecting the use of the float liquid level controller by setting a protection component, avoids wear due to collision with hard objects during installation and transportation, and greatly reduces the entry of impurities or foreign objects with high precision. At the same time, by setting a cleaning component, it is convenient to clean the protection component. During use, the user can align the top seat of the protection component with the bottom of the rod and move it upward until the top seat contacts the connecting flange, and then fix it with screws. After fixation, the protection component can protect the rod and the float, avoid wear of the rod and the float due to collision with hard objects, and filter impurities or foreign objects through the metal grid, greatly reducing the entry of impurities or foreign objects, and avoiding impurities or foreign objects from hindering the movement of the float with high precision. Then the vertical rod of the cleaning component can be moved up and down, and the moving vertical rod can drive the fixing ring and the brush wire, and the moving brush wire can clean the metal grid for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the utility model;

[0012] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0013] Figure 3 For this utility model Figure 1 Schematic diagram of the structure of the middle protection component;

[0014] Figure 4 For this utility model Figure 1 Schematic diagram of the structure of the cleaning component.

[0015] Reference numerals:

[0016] 100, connecting flange; 101, fixing pipe; 102, tightening knob;

[0017] 200, controller component; 201, interface;

[0018] 300, rod; 301, upper limit buoy; 302, lower limit buoy;

[0019] 400, protective assembly; 401, top seat; 402, mounting hole; 403, socket; 404, metal grid; 405, bottom plate;

[0020] 500, cleaning assembly; 501, vertical rod; 502, fixing ring; 503, brush wire. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be noted that the embodiments of the present invention and the features therein can be combined with each other unless there is any conflict.

[0022] The following describes some embodiments of the present invention in conjunction with the accompanying drawings to provide a hysteresis controlled float level controller.

[0023] Example 1:

[0024] Reference Figure 1-4 , which is the first embodiment of the present utility model, provides a hysteresis controlled float level controller, including a connecting flange 100, a controller assembly 200, a rod 300, a protective assembly 400 and a cleaning assembly 500.

[0025] Specifically, a fixing tube 101 is provided at the top of the connecting flange 100, and a fastening knob 102 is threadedly connected to the fixing tube 101. The fastening knob 102 is a T-shaped stud. When in use, the connecting flange 100 is used for fixing, and the fixing tube 101 can be installed with the cleaning component 500. After installation, the fastening knob 102 can be rotated. When the fastening knob 102 is against the cleaning component 500, the cleaning component 500 can be fixed by the fastening knob 102. When the fastening knob 102 does not against the cleaning component 500, the cleaning component 500 can be moved up and down for use.

[0026] Specifically, the controller component 200 is arranged at the top of the connecting flange 100, and an interface 201 for connecting to a power supply is provided on the right side of the controller component 200. When in use, the interface 201 can be connected to a cable to transmit signals and connect to a power supply.

[0027] Specifically, the rod 300 is arranged at the bottom of the controller assembly 200, and the upper limit float 301 and the lower limit float 302 are sequentially arranged on the rod 300. When in use, the upper limit float 301 and the lower limit float 302 can move on the rod 300 to control the liquid level by backlash.

[0028] Specifically, the protective assembly 400 includes a top seat 401 screwed to the bottom of the connecting flange 100, a metal grid 404 arranged at the bottom end of the top seat 401 and a bottom plate 405 arranged at the bottom end of the metal grid 404. The top seat 401 is provided with a mounting hole 402 and a socket 403, and the socket 403 is connected with the vertical rod 501 through an insertion hole. There are two vertical rods 501, and the two vertical rods 501 are connected with the corresponding fixing pipes 101 through an insertion hole. When in use, the user can align the top seat 401 of the protective assembly 400 with the bottom of the rod 300 and move upward until the top seat 401 contacts the connecting flange 100, and then fix it with screws. After fixation, the protective assembly 400 can protect the rod 300 and the buoy to prevent the rod 300 and the buoy from being worn due to hitting hard objects, and the metal grid 404 can filter impurities or foreign matter, greatly reducing the entry of impurities or foreign matter, and preventing impurities or foreign matter from hindering the movement of the buoy with high precision.

[0029] Specifically, the cleaning assembly 500 includes a vertical rod 501 inserted between the top seat 401 and the connecting flange 100, a fixed ring 502 arranged at the bottom end of the vertical rod 501, and a brush 503 arranged on the inner side of the fixed ring 502. When in use, the vertical rod 501 of the cleaning assembly 500 can be moved up and down, and the moving vertical rod 501 can drive the fixed ring 502 and the brush 503. The moving brush 503 can clean the metal grid 404 for use.

[0030] The working principle and usage process of the present invention: When in use, the user can align the top seat 401 of the protective component 400 with the bottom of the rod 300 and move it upward until the top seat 401 contacts the connecting flange 100, and then fix it with screws. After fixation, the protective component 400 can protect the rod 300 and the float, and prevent the rod 300 and the float from being worn due to hitting hard objects. The metal grid 404 can filter impurities or foreign matter, greatly reducing the entry of impurities or foreign matter, and preventing impurities or foreign matter from hindering the movement of the float with high precision. Then the fastening knob 102 can be loosened. After loosening, the vertical rod 501 of the cleaning component 500 can be moved up and down. The moving vertical rod 501 can drive the fixing ring 502 and the brush wire 503. The moving brush wire 503 can clean the metal grid 404 for use.

[0031] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. Hysteresis control type float level controller, characterized by: include: Connecting flange (100); A controller assembly (200) is arranged on the top of the connecting flange (100); A rod (300) is arranged at the bottom of the controller assembly (200); A protective assembly (400) comprising a top seat (401) screwed to the bottom of the connecting flange (100), a metal grid (404) arranged at the bottom end of the top seat (401), and a bottom plate (405) arranged at the bottom end of the metal grid (404); The cleaning assembly (500) comprises a vertical rod (501) inserted between the top seat (401) and the connecting flange (100), a fixing ring (502) arranged at the bottom end of the vertical rod (501), and a brush (503) arranged inside the fixing ring (502).

2. The hysteresis control type float level controller according to claim 1, characterized in that: A fixing tube (101) is arranged at the top end of the connecting flange (100), and a fastening knob (102) is threadedly connected to the fixing tube (101), wherein the fastening knob (102) is a T-shaped stud.

3. The hysteresis control type float level controller according to claim 1, characterized in that: An interface (201) for connecting to a power source is provided on the right side of the controller component (200).

4. The hysteresis control type float level controller according to claim 1, characterized in that: An upper limit float (301) and a lower limit float (302) are sequentially arranged on the rod (300).

5. The hysteresis control type float level controller according to claim 1, characterized in that: The top seat (401) is provided with a mounting hole (402) and a socket (403), and the socket (403) is connected to the vertical rod (501) through insertion.

6. The hysteresis control type float level controller according to claim 1, characterized in that: Two vertical rods (501) are provided, and the two vertical rods (501) are connected to corresponding fixed pipes (101) through insertion.

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