Floating ball liquid level controller with self-checking function

Abstract

The utility model relates to a floating ball liquid level controller with a self-checking function, which comprises a shell, a floating ball component and a relay component, the relay component is mounted in the shell, and the floating ball component is in transmission connection with the relay component; the floating ball assembly comprises a floating ball and a connecting rod, and the connecting rod is transversely arranged in the shell; the shell is provided with a self-checking device, the self-checking device comprises a detection rod, the detection rod penetrates through the shell and then is connected with the connecting rod, the detection rod and the shell are in sliding sealing fit, and the detection rod moves up and down to drive the connecting rod to swing up and down in the shell. The detection rod can directly drive the connecting rod in the shell to swing up and down, the simulation floating ball drives the connecting rod to move between the upper limit position and the lower limit position, and the instrument can be verified under the condition that no liquid exists.

Description

Technical Field

[0001] The utility model relates to a float liquid level controller with a self-checking function. Background Art

[0002] In recent years, float level controllers have been widely used in fields such as shipbuilding and chemical engineering. Traditional controllers are not corrosion-resistant or explosion-proof, and can become contaminated and damaged by viscous liquids. Regular inspection and maintenance are required. Furthermore, most float level controllers on the market do not provide remote monitoring and alarms during use, relying solely on visual inspection of a pressure gauge, which requires constant inspection and wastes time.

[0003] The current float level controller lacks a self-test function and cannot verify the instrument in the absence of liquid. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, provide a float liquid level controller with a self-checking function, and solve the technical problem that the current float liquid level controller cannot verify the instrument in the absence of liquid.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] Provide a float liquid level controller with self-checking function, including

[0007] A housing, a float assembly, and a relay assembly, wherein the relay assembly is installed in the housing, and the float assembly is transmission-connected to the relay assembly;

[0008] The float assembly includes a float and a connecting rod, and the connecting rod is arranged horizontally in the housing;

[0009] A self-test device is provided on the shell, and the self-test device includes a detection rod, which is connected to the connecting rod after passing through the shell. A sliding seal is formed between the detection rod and the shell to cooperate with the detection rod to move up and down, which is suitable for driving the connecting rod to swing up and down in the shell.

[0010] Furthermore, a spring is sleeved on the detection rod, and a limit block is provided at the end of the detection rod;

[0011] One end of the spring abuts against the housing, and the other end of the spring abuts against the limit block at the end of the detection rod.

[0012] Furthermore, a sealing ring is provided between the detection rod and the housing.

[0013] The beneficial effects of the utility model are:

[0014] The detection rod can directly drive the connecting rod in the shell to swing up and down, and the simulated float drives the connecting rod to move between the upper and lower extreme positions, so that the instrument can be tested without liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 This is a schematic diagram of a float liquid level controller with a self-checking function of the utility model;

[0017] Figure 2 This is the usage status diagram of the float liquid level controller;

[0018] Among them, 1. shell, 2. connecting rod, 3. float;

[0019] 4. Detection rod, 41. Spring, 42. Limit block;

[0020] 5. Cabin. DETAILED DESCRIPTION

[0021] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0022] This application provides a float level controller with a self-test function, which is described in detail below. It should be noted that the order in which the following embodiments are described does not limit the preferred order of the embodiments of this application. In addition, in the following embodiments, the description of each embodiment has its own emphasis. For parts not detailed in one embodiment, please refer to the relevant description of other embodiments.

[0023] To solve the technical problem in the prior art that float level controllers cannot verify the instrument without liquid, an embodiment of the present application provides a float level controller with a self-test function, which is described in detail below.

[0024] like Figure 1 As shown, a float liquid level controller with self-checking function includes

[0025] Housing 1, float 3 assembly and relay assembly, the relay assembly is installed in the housing 1, and the float 3 assembly is transmission-connected to the relay assembly;

[0026] The float 3 assembly includes a float 3 and a connecting rod 2, and the connecting rod 2 is arranged horizontally in the housing 1;

[0027] A self-test device is provided on the housing 1, and the self-test device includes a detection rod 4. The detection rod 4 is connected to the connecting rod 2 after passing through the housing 1. A sliding seal is formed between the detection rod 4 and the housing 1 to cooperate with the detection rod 4 to move up and down, which is suitable for driving the connecting rod 2 to swing up and down in the housing 1.

[0028] Specifically, as an optional implementation in this embodiment, Figure 1 As shown, the detection rod 4 is sleeved with a spring 41, and a limit block 42 is provided at the end of the detection rod 4;

[0029] One end of the spring 41 abuts against the housing 1 , and the other end abuts against the limit block 42 at the end of the detection rod 4 .

[0030] The function of the spring 41 is to ensure that the detection rod 4 can move downward slowly, and finally control the connecting rod 2 to move downward slowly, to ensure that the detection is carried out stably. Because the detection is in a liquid-free state, the float 3 will be affected by gravity and directly affect the connecting rod 2. Now the spring 41 is used to support the connecting rod 2 to achieve a slow descent of the connecting rod 2.

[0031] Specifically, as an optional implementation in this embodiment, Figure 1 As shown, a sealing ring is provided between the detection rod 4 and the housing 1 .

[0032] The connecting rod 2 is provided with a connecting groove, in which a connecting pin is arranged. The connecting pin is connected to the lower end of the detection rod 4. The connecting groove is a long groove in which the connecting pin can move. The connecting rod 2 swings in an arc during operation, so that it can move up and down with the detection rod 4.

[0033] like Figure 2 As shown, the float liquid level controller is installed on the cabin, and a flange is provided on one side of the shell, which is connected to the cabin through the flange.

[0034] The entire float level controller is an existing product, and its principles are familiar. It primarily consists of two isolated components: a float assembly and a relay assembly. Liquid level changes are responsive to the float. Connecting rod 2 drives the two isolated magnets to repel each other, thereby actuating the relay contacts and achieving liquid level alarm control.

[0035] The float liquid level controller of the present invention mainly adds a self-test function. During self-test, the detection rod 4 swings upward, driving the connecting rod 2 to move upward to the limit position, simulating the floating ball 3 floating up. The detection rod 4 moves downward. At this time, the spring 41 is compressed, and the detection rod 4 drives the connecting rod 2 to swing downward to the limit position, simulating the floating ball 3 falling with the water level.

[0036] The various devices selected in this application (components whose specific structures are not described) are all universal standard parts or components known to those skilled in the art, and their structures and principles can be known to those skilled in the art through technical manuals or conventional experimental methods.

[0037] In the description of the embodiments of the present invention, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0038] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] In the several embodiments provided in this application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. The device embodiments described above are merely schematic. For example, the division of the units is merely a logical function division. There may be other division methods in actual implementation. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed may be through some communication interface, indirect coupling or communication connection of devices or units, which may be electrical, mechanical or other forms.

[0040] The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the purpose of this embodiment according to actual needs.

[0041] In addition, each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.

[0042] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A float liquid level controller with self-checking function, characterized in that: include A housing, a float assembly, and a relay assembly, wherein the relay assembly is installed in the housing, and the float assembly is transmission-connected to the relay assembly; The float assembly includes a float and a connecting rod, and the connecting rod is arranged horizontally in the housing; A self-test device is provided on the shell, and the self-test device includes a detection rod, which is connected to the connecting rod after passing through the shell. A sliding seal is formed between the detection rod and the shell to cooperate with the detection rod to move up and down, which is suitable for driving the connecting rod to swing up and down in the shell.

2. The float liquid level controller with self-checking function according to claim 1 is characterized in that: A spring is sleeved on the detection rod, and a limit block is provided at the end of the detection rod; One end of the spring abuts against the housing, and the other end of the spring abuts against the limit block at the end of the detection rod.

3. The float liquid level controller with self-checking function according to claim 1 is characterized in that: A sealing ring is provided between the detection rod and the housing.

4. The float liquid level controller with self-checking function according to claim 1 is characterized in that: A connecting groove is provided on the connecting rod, a connecting pin is arranged in the connecting groove, the connecting pin is connected to the lower end of the detection rod, and the connecting groove is a long groove.

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