Adjustable capacitive liquid level meter

Abstract

The utility model relates to the technical field of liquid level meters, and discloses an adjustable capacitive liquid level meter which comprises an electronic bin, the bottom of the electronic bin is fixedly connected with an electrode main body, the bottom of the electrode main body is fixedly connected with a bottom plate, the outer side of the electronic bin is fixedly connected with a fixed disc, and the fixed disc is fixedly connected with the bottom plate. The length of the electrode main body can be automatically adjusted by arranging the top pipe, when the liquid level meter is used, the liquid level meter is inserted into liquid needing to be measured, so that the bottom plate can be in contact with the bottom of a liquid container, and the liquid level meter is convenient to use. According to the depth of liquid, the telescopic column and the tube body can move relatively in a pressing mode, so that the lower outer electrode and the lower inner electrode can retract into the upper outer electrode and the upper inner electrode, the length of the electrode body can be changed, the electrode body does not need to be disassembled and fixed manually, and the working efficiency is improved. And the length and the measuring range can be adjusted more easily.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid level gauges, and more specifically to an adjustable capacitive liquid level gauge. Background Art

[0002] The capacitive level meter is based on the principle of capacitive induction. When the height of the measuring electrode immersed in the measured medium changes, its capacitance changes. It can convert the changes in the height of various material and liquid media into standard current signals and transmit them remotely to the operation control room for centralized display, alarm or automatic control by secondary instruments or computer devices.

[0003] The existing application number is 201721883393.0, a capacitive liquid level meter with adjustable range, including an electronic compartment and an electrode, the lower part of the electrode is a lower plug, the electrode includes an upper electrode and a lower electrode, the upper electrode includes an upper inner electrode and an upper outer electrode, the lower electrode includes a lower inner electrode and a lower outer electrode, the lower inner electrode is connected to the upper inner electrode in a sleeve connection, the lower outer electrode is connected to the upper outer electrode in a sleeve connection, an insulating sleeve is arranged on the outside of the upper inner electrode and the lower inner electrode, the upper inner electrode, the upper outer electrode and the upper part of the insulating sleeve are fixed to the lower part of the electronic compartment, the lower inner electrode, the lower outer electrode and the lower part of the insulating sleeve are fixed to the lower plug, and the upper outer electrode and the lower outer electrode are connected at the connection by fasteners. By adjusting the installation position of the nut or rivet installed on the upper outer electrode on the lower outer electrode, the lower inner and outer electrodes can be moved and adjusted, thereby changing the length and range of the liquid level meter. However, it needs to be manually disassembled and fixed during adjustment, which is inconvenient to use. It cannot be automatically adjusted to a suitable length as needed, which is not conducive to its use. Therefore, an adjustable capacitive liquid level meter is provided. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides an adjustable capacitive liquid level meter to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: an adjustable capacitive liquid level gauge, comprising an electronic bin, an electrode body fixedly connected to the bottom of the electronic bin, a bottom plate fixedly connected to the bottom of the electrode body, a fixed disk fixedly connected to the outside of the electronic bin, a top pipe fixedly connected between the fixed disk and the bottom plate, the top pipe comprising a tube body, a limit block movably connected inside the tube body, a spring fixedly connected between the tube body and the limit block, and a telescopic column fixedly connected to the bottom of the limit block.

[0006] Preferably, the fixed disk comprises a disk body, and a fixing groove is provided inside the disk body.

[0007] Preferably, the bottom plate comprises a plate body, and a through groove is provided inside the plate body.

[0008] Preferably, the electrode body includes an upper outer electrode, the inner side of which is movably connected to a lower outer electrode, the upper outer electrode is fixedly connected to the bottom of the electron compartment, the bottom of the electron compartment is fixedly connected to an upper inner electrode, the inner side of the upper inner electrode is movably connected to a lower inner electrode, the outer sides of the upper inner electrode and the lower inner electrode are movably connected to an insulating sleeve, and the bottoms of the lower outer electrode, the insulating sleeve and the lower inner electrode are on a bottom plate.

[0009] Preferably, the capacitance value per unit length of the upper outer electrode and the upper inner electrode is the same as the capacitance value per unit length of the lower outer electrode and the lower inner electrode.

[0010] Preferably, the sizes of the upper outer electrode and the upper inner electrode are in a certain proportional relationship with the sizes of the lower outer electrode and the lower inner electrode.

[0011] Technical effects and advantages of the utility model:

[0012] The utility model is provided with a top pipe, which is conducive to automatically adjusting the length of the electrode body. When in use, the liquid level meter is inserted into the liquid to be measured so that the bottom plate can contact the bottom of the liquid container. According to the depth of the liquid, the telescopic column and the tube body can be relatively moved by pressing, so that the lower outer electrode and the lower inner electrode can be retracted into the upper outer electrode and the upper inner electrode, so that the length of the electrode body can be changed. The fixing plate can be punched with holes and fixed to the edge of the container for storing the liquid through the holes with bolts. There is no need to manually disassemble and fix the electrode body, so it is more convenient to use, and its length and range can be adjusted more easily, which is convenient for measuring liquids of different depths. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the overall structure of the fixed disk of the utility model.

[0015] Figure 3 It is a schematic diagram of the cross-sectional structure of the top pipe of the utility model.

[0016] Figure 4 It is a schematic diagram of the overall structure of the base plate of the utility model.

[0017] Figure 5 It is a schematic diagram of the cross-sectional structure of the electrode body of the utility model.

[0018] The accompanying drawings are marked as follows: 1. electronic compartment; 2. fixed disk; 201. disk body; 202. fixed groove; 3. top tube; 301. tube body; 302. spring; 303. limit block; 304. telescopic column; 4. bottom plate; 401. plate body; 402. through groove; 5. electrode body; 501. upper outer electrode; 502. lower outer electrode; 503. insulating sleeve; 504. lower inner electrode; 505. upper inner electrode. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solution of the present invention in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The adjustable capacitive liquid level meter involved in the present invention is not limited to the various structures recorded in the following embodiments. All other implementations obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0020] The utility model provides an adjustable capacitive liquid level gauge, comprising an electronic bin 1, an electrode body 5 is fixedly connected to the bottom of the electronic bin 1, a bottom plate 4 is fixedly connected to the bottom of the electrode body 5, a fixed disk 2 is fixedly connected to the outside of the electronic bin 1, a top pipe 3 is fixedly connected between the fixed disk 2 and the bottom plate 4, the top pipe 3 comprises a tube body 301, a limit block 303 is movably connected to the inside of the tube body 301, a spring 302 is fixedly connected between the tube body 301 and the limit block 303, a telescopic column 304 is fixedly connected to the bottom of the limit block 303, the telescopic column 304 and the tube body 301 can move relatively, and under the action of the spring 302, the bottom plate 4 can always be pushed against the bottom of the liquid container, so that When in use, the liquid level meter is inserted into the liquid to be measured so that the bottom plate 4 can contact the bottom of the liquid container, and the telescopic column 304 and the tube body 301 can be moved relative to each other by pressing according to the depth of the liquid, so that the lower outer electrode 502 and the lower inner electrode 504 can be retracted into the upper outer electrode 501 and the upper inner electrode 505, so that the length of the electrode body 5 can be changed, and a hole is punched on the fixed plate 2 and it is fixed to the edge of the container for storing the liquid through the hole with bolts. There is no need to manually disassemble and fix the electrode body 5, which is more convenient to use and can more easily adjust its length and range, so as to facilitate the measurement of liquids of different depths.

[0021] Furthermore, the fixed disk 2 includes a disk body 201 , and a fixing groove 202 is provided inside the disk body 201 . The fixing groove 202 is used to fix the disk 2 on the electronic compartment 1 .

[0022] Furthermore, the bottom plate 4 includes a plate body 401 , and a through groove 402 is provided inside the plate body 401 , and the through groove 402 is used for liquid to pass through.

[0023] Furthermore, the electrode body 5 includes an upper outer electrode 501, the inner side of which is movably connected to a lower outer electrode 502, the upper outer electrode 501 is fixedly connected to the bottom of the electron chamber 1, the bottom of the electron chamber 1 is fixedly connected to an upper inner electrode 505, the inner side of the upper inner electrode 505 is movably connected to a lower inner electrode 504, the outer sides of the upper inner electrode 505 and the lower inner electrode 504 are movably connected to an insulating sleeve 503, the bottoms of the lower outer electrode 502, the insulating sleeve 503 and the lower inner electrode 504 are on the bottom plate 4, the insulating sleeve 503 has a certain elasticity and can be attached to the surfaces of the upper inner electrode 505 and the lower inner electrode 504.

[0024] Furthermore, the capacitance per unit length of the upper outer electrode 501 and the upper inner electrode 505 is the same as the capacitance per unit length of the lower outer electrode 502 and the lower inner electrode 504 , so that the change in the length of the electrode body 5 does not affect the linearity of the overall measurement data.

[0025] Furthermore, the sizes of the upper outer electrode 501 and the upper inner electrode 505 are in a certain proportional relationship with the sizes of the lower outer electrode 502 and the lower inner electrode 504. This proportion ensures that the capacitance formed by the upper and lower sections of the inner and outer electrodes is balanced and linear.

[0026] The working principle of the utility model is as follows: when in use, the liquid level meter is inserted into the liquid to be measured, so that the bottom plate 4 can contact the bottom of the liquid container, and the telescopic column 304 and the tube body 301 can be moved relatively by pressing according to the depth of the liquid, so that the lower outer electrode 502 and the lower inner electrode 504 can be retracted into the upper outer electrode 501 and the upper inner electrode 505, so that the length of the electrode body 5 can be changed, and a hole is punched on the fixed plate 2, and it is fixed to the edge of the container for storing the liquid through the hole with bolts. There is no need to manually disassemble and fix the electrode body 5, which is more convenient to use, and its length and range can be adjusted more easily, which is convenient for measuring liquids of different depths.

[0027] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0028] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An adjustable capacitive liquid level meter, comprising an electronic compartment (1), characterized in that: The bottom of the electronic warehouse (1) is fixedly connected to an electrode body (5), the bottom of the electrode body (5) is fixedly connected to a bottom plate (4), the outer side of the electronic warehouse (1) is fixedly connected to a fixed disk (2), a top pipe (3) is fixedly connected between the fixed disk (2) and the bottom plate (4), the top pipe (3) comprises a tube body (301), a limit block (303) is movably connected inside the tube body (301), a spring (302) is fixedly connected between the tube body (301) and the limit block (303), and a telescopic column (304) is fixedly connected to the bottom of the limit block (303).

2. The adjustable capacitive liquid level gauge according to claim 1, characterized in that: The fixed disk (2) comprises a disk body (201), and a fixing groove (202) is provided inside the disk body (201).

3. The adjustable capacitive liquid level gauge according to claim 1, characterized in that: The bottom plate (4) comprises a plate body (401), and a through groove (402) is provided inside the plate body (401).

4. The adjustable capacitive liquid level meter according to claim 1, characterized in that: The electrode body (5) comprises an upper outer electrode (501), the inner side of the upper outer electrode (501) is movably connected to a lower outer electrode (502), the upper outer electrode (501) is fixedly connected to the bottom of the electron chamber (1), the bottom of the electron chamber (1) is fixedly connected to an upper inner electrode (505), the inner side of the upper inner electrode (505) is movably connected to a lower inner electrode (504), the outer sides of the upper inner electrode (505) and the lower inner electrode (504) are movably connected to an insulating sleeve (503), and the bottoms of the lower outer electrode (502), the insulating sleeve (503) and the lower inner electrode (504) are on a bottom plate (4).

5. The adjustable capacitive liquid level gauge according to claim 4, characterized in that: The capacitance value per unit length of the upper outer electrode (501) and the upper inner electrode (505) is the same as the capacitance value per unit length of the lower outer electrode (502) and the lower inner electrode (504).

6. The adjustable capacitive liquid level gauge according to claim 4, characterized in that: The sizes of the upper outer electrode (501) and the upper inner electrode (505) are in a certain proportional relationship with the sizes of the lower outer electrode (502) and the lower inner electrode (504).

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