Hydrostatic level leakage and pipeline bubble detection device

Abstract

The utility model provides a hydrostatic level leakage and pipeline bubble detection device which comprises a liquid storage tank, a level detector assembly and a liquid pipeline, a liquid passing connector used for being connected with the liquid pipeline is arranged at the bottom of the liquid storage tank, and a first electrode communicated in a sealed mode is arranged on one side of the liquid storage tank. The level gauge detector assembly comprises a plurality of first level gauge detectors and a second level gauge detector, the first level gauge detectors are connected in series through liquid through pipes, the second level gauge detector is connected to the tail end of the level gauge detector assembly, and a second electrode is arranged on one side of the second level gauge detector; the first electrode and the second electrode are electrically connected with the detection assembly. According to the hydrostatic level leakage and pipeline bubble detection device disclosed by the utility model, the liquid storage tank and the second level detector are externally connected with the first electrode and the second electrode and are connected with the detection assembly, and meanwhile, the conductivity characteristic of liquid is utilized, so that whether liquid leakage occurs in the device or whether bubbles exist in a liquid pipeline can be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of sensors, in particular to a static level leakage and pipeline bubble detection device. Background Art

[0002] The static level is a sensor that measures the change in liquid level pressure based on the principle of silicon piezoresistive pressure sensor. In actual application, liquid and air circuits are filled in the measurement system to form a closed measurement system, and the settlement data is obtained through the change in the liquid level difference between the reference point and the measuring point. It is used in liquid level and settlement monitoring scenarios. However, in the application of the static level, due to pipeline damage, aging, and liquid evaporation, the measurement system may leak and have bubbles in the middle of the pipeline. Leakage will cause the measurement system to be unable to measure accurately, and bubbles in the pipeline will cause the system to be affected by temperature.

[0003] Among the existing technologies, the traditional method mainly cannot sense the situation of liquid leakage in the measurement system. It is necessary to manually check the liquid level height or visually check whether there are bubbles in the liquid pipeline. The maintenance cost is high and online detection is impossible. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a static level leakage and pipeline bubble detection device, aiming to solve the technical problems in the prior art of manually checking for static level leakage and whether there are bubbles in the pipeline, resulting in high maintenance costs and the inability to detect online.

[0005] In order to achieve the above purpose, the utility model is implemented through the following technical solutions:

[0006] A static level leakage and pipeline bubble detection device comprises a liquid storage tank, a level detector assembly and a liquid pipeline, wherein the liquid storage tank is connected to the level detector assembly through the liquid pipeline, a liquid flow channel is formed inside, and the liquid flow channel is filled with liquid, a first electrode is provided through one side of the liquid storage tank, the first electrode is sealingly connected to the liquid storage tank, one end of the first electrode extends into the liquid storage tank and contacts the liquid inside the liquid storage tank, a second electrode is provided on the level detector assembly, one end of the second electrode contacts the liquid inside the liquid flow channel, the static level leakage and pipeline bubble detection device also comprises a detection assembly, and the first electrode and the second electrode are both electrically connected to the detection assembly.

[0007] Compared with the prior art, the beneficial effect of the utility model lies in: by respectively arranging the first electrode and the second electrode at the two ends of the liquid flow channel, and connecting the first electrode and the second electrode to the detection component, the conductive properties of the liquid medium are utilized to make the detection circuit form a closed loop; when leakage or bubbles occur inside the device, the detection circuit enters an open circuit state, and the open circuit signal can be used to realize the leakage or bubble detection function.

[0008] According to one aspect of the above technical solution, a liquid connection joint for connecting the liquid pipeline is provided at the bottom of the liquid storage tank.

[0009] According to one aspect of the above technical solution, the level detector assembly includes a plurality of first level detectors connected in series through the liquid pipeline, and a second level detector connected to the end of the first level detectors connected in series through the liquid pipe, the first level detector includes a first level shell, a first liquid containing cavity for containing liquid is provided inside the first level shell, two liquid connection joints connected to the first liquid containing cavity are provided on the outside of the first level shell, the second level detector includes a second level shell, a second liquid containing cavity for containing liquid is provided inside the second level shell, and a liquid connection joint connected to the second liquid containing cavity is provided on one side of the second level shell.

[0010] According to one aspect of the above technical solution, the second electrode is provided on the side of the second level gauge housing opposite to the liquid connection joint, and the second electrode is sealingly connected to the second level gauge detector.

[0011] According to one aspect of the above technical solution, the first electrode is spaced apart and close to the bottom end of the liquid storage tank.

[0012] According to one aspect of the above technical solution, the detection component includes a comparator module and a data transmission module.

[0013] According to one aspect of the above technical solution, an exhaust valve is disposed at the upper end of each of the first liquid containing cavity and the second liquid containing cavity.

[0014] According to one aspect of the above technical solution, the first leveling instrument housing and the second leveling instrument housing are both made of plastic. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of a static level leakage and pipeline bubble detection device in one embodiment of the utility model;

[0016] Description of main component symbols: 1-liquid storage tank, 11-first electrode, 2-level gauge detector assembly, 21-first level gauge detector, 211-first liquid holding cavity, 22-second level gauge detector, 221-second liquid holding cavity, 222-second electrode, 23-pressure sensor, 24-gas cavity, 3-detection assembly, 31-comparator module, 32-data transmission module, 4-liquid pipeline, 5-vent pipe, 6-liquid connection joint, 7-vent connection joint;

[0017] The following specific implementation manner will further illustrate the present utility model in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0019] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0021] See also Figure 1The static level leakage and pipeline bubble detection device provided by an embodiment of the utility model comprises a liquid storage tank 1, a level detector assembly 2 and a liquid pipeline 4, wherein the bottom of the liquid storage tank 1 is provided with a liquid connection joint 6 for connecting the liquid pipeline 4, and a vent joint 7 arranged near the top of the liquid storage tank 1, one side of the liquid storage tank 1 is sealed and connected with a first electrode 11, and one end of the first electrode 11 extends into the interior of the liquid storage tank 1, the level detector assembly 2 comprises a plurality of first level detectors 21 connected in series through the liquid pipeline 4, and the first electrode 11 is connected in series through the first level detector assembly 21. The liquid pipe is connected to the second level detector 22 at the end of the first level detector 21 connected in series. The first level detector 21 includes a first level housing. A cavity is provided inside the first level housing. A pressure sensor 23 is installed inside the cavity. The pressure sensor 23 is sealedly connected to the inner wall of the first level housing and divides the cavity into a first liquid containing cavity 211 for containing liquid at the upper part and a gas cavity 24 for containing gas at the lower part. The first level housing is provided with two gas chambers 211 and 24 connected to the first liquid containing cavity 211. The liquid connection joint 6, and two ventilation joints 7 connected to the gas cavity 24; however, the second level gauge detector 22 includes a second level gauge shell, a cavity is provided inside the second level gauge shell, a pressure sensor 23 is provided inside the cavity, the pressure sensor 23 divides the cavity into a second liquid containing cavity 221 for containing liquid and a gas cavity 24, the liquid connection joint 6 connected to the second liquid containing cavity 221 and the ventilation joint 7 connected to the gas cavity 24 are provided on one side of the second level gauge shell, and the second level gauge shell is away from the A second electrode 222 is provided on one side of the liquid connection joint 6 and is sealed and connected to the second liquid cavity 221, and one end of the second electrode 222 extends into the second liquid cavity 221. The static level leakage and pipeline bubble detection device also includes a detection component 3, and the first electrode 11 and the second electrode 222 are both electrically connected to the detection component 3. It should be noted that a ventilation pipe 5 is provided between the liquid storage tank 1 and the level detector component 2, and the ventilation pipe 5 connects the liquid storage tank 1 and the level detector component 2 to each other, and the connection method is the same as that of the liquid pipeline 4.

[0022] See also Figure 1, the number of the first level gauge detectors 21 can be freely set according to the points to be detected. In the present embodiment, for the sake of convenience, the number of the first level gauge detectors 21 is set to two, wherein the two first level gauge detectors 21 are respectively connected in series with the liquid storage tank 1 and the second level gauge detector 22, and the first liquid holding cavity 211, the second liquid holding cavity 221 and the liquid storage tank 1 form a liquid flow channel under the connection of the liquid pipeline 4, and a proper amount of liquid is filled in the liquid flow channel; in a normal state, the first electrode 11 and the second electrode 222 are in contact with the liquid in the liquid flow channel, and the conductive property of the liquid is used to connect the detection circuit, and the detection component 3 displays a high-level signal; if liquid leakage occurs in the liquid flow channel, when the liquid leaks below the safe capacity, the internal liquid contacts the first electrode 11 or The first electrode 11 and the second electrode 222 are out of contact, thereby disconnecting the detection circuit. At this time, the detection component 3 displays a low-level signal. When bubbles appear in the liquid pipeline 4 inside the liquid flow channel, the detection circuit that conducts electricity through the liquid as a medium is disconnected. At this time, the detection component 3 also displays a low-level signal. The comparator module 31 inside the detection component 3 compares the high and low level signals generated by the detection circuit to determine whether the device has leakage or pipeline bubble failure, and then sends the fault signal to the server through the data transmission module 32 installed inside the detection component 3, thereby realizing real-time detection. Specifically, the detection component 3 includes a comparator module 31 connected to the first electrode 11 and the second electrode 222, and a data transmission module 32 connected to the comparator module 31.

[0023] In this embodiment, the first electrode 11 arranged on the liquid storage tank 1 can be arranged at one end near the bottom of the liquid storage tank 1, or can be arranged at a certain distance from the bottom of the liquid storage tank 1; when the first electrode 11 is arranged at one end near the bottom of the liquid storage tank 1, the first electrode 11 at this time only acts as a conductive terminal, and when the first electrode 11 is installed at a certain distance near the bottom of the liquid storage tank 1, for example: it is arranged at the lowest safe liquid level of the liquid in the liquid storage tank 1, the first electrode 11 here not only has the function of a conductive terminal, but also has the function of detecting leakage in advance; preferably, the first electrode 11 is arranged at intervals near the bottom of the liquid storage tank 1.

[0024] Furthermore, the upper ends of the first liquid containing cavity 211 and the second liquid containing cavity 221 are both provided with exhaust valves (not shown in the figure). By designing the exhaust valves, when assembling the utility model, when bubbles appear in a single level, the internal gas can be discharged; and when bubbles appear in the liquid pipeline 4, the bubbles can also be driven into the single level and then discharged through the exhaust valve.

[0025] Preferably, the first level gauge housing and the second level gauge housing are both made of plastic.

[0026] In summary, the static level leakage and pipeline bubble detection device in the above-mentioned embodiment of the utility model, by arranging the first electrode and the second electrode on the liquid storage tank and the second level detector, and connecting the first electrode and the second electrode to the detection component, can detect whether the liquid inside the utility model is leaking or whether there is a bubble fault in the liquid pipeline by utilizing the conductive properties of the liquid; the fault information is sent to the server through the data transmission module installed on the detection component, thereby realizing real-time detection of the fault. In addition, the first electrode is installed at a distance from the bottom of the liquid storage tank, which also has the function of detecting leakage faults in advance.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The above-mentioned embodiments only express several implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the attached claims.

Claims

1. A static level leakage and pipeline bubble detection device, comprising a liquid storage tank, a level detector assembly and a liquid pipeline, characterized in that: The liquid storage tank is connected to the level detector assembly through the liquid pipeline, and a liquid flow channel is formed inside. The liquid flow channel is filled with liquid. A first electrode is provided through one side of the liquid storage tank. The first electrode is sealedly connected to the liquid storage tank. One end of the first electrode extends into the liquid storage tank and contacts the liquid inside the liquid storage tank. A second electrode is provided on the level detector assembly, and one end of the second electrode contacts the liquid inside the liquid flow channel. The static level leakage and pipeline bubble detection device also includes a detection assembly, and the first electrode and the second electrode are both electrically connected to the detection assembly.

2. The static level leakage and pipeline bubble detection device according to claim 1 is characterized in that a liquid connection joint for connecting the liquid pipeline is provided at the bottom of the liquid storage tank.

3. The static level leakage and pipeline bubble detection device according to claim 2 is characterized in that: The level detector assembly includes a plurality of first level detectors connected in series through the liquid pipeline, and a second level detector connected to the end of the first level detectors connected in series through the liquid pipeline, the first level detector includes a first level shell, a first liquid containing cavity for containing liquid is provided inside the first level shell, two liquid connection joints connected to the first liquid containing cavity are provided on the outside of the first level shell, the second level detector includes a second level shell, a second liquid containing cavity for containing liquid is provided inside the second level shell, and a liquid connection joint connected to the second liquid containing cavity is provided on one side of the second level shell.

4. The static level leakage and pipeline bubble detection device according to claim 3 is characterized in that: The second electrode is provided on the side of the second level gauge housing opposite to the liquid connection joint, and the second electrode is sealingly connected to the second level gauge detector.

5. The static level leakage and pipeline bubble detection device according to claim 1, characterized in that: The first electrode is spaced and disposed close to the bottom end of the liquid storage tank.

6. The static level leakage and pipeline bubble detection device according to claim 1, characterized in that: The detection component includes a comparator module connected to the first electrode and the second electrode, and a data transmission module connected to the comparator module.

7. The static level leakage and pipeline bubble detection device according to claim 3, characterized in that: An exhaust valve is disposed at the upper end of the first liquid containing cavity and the upper end of the second liquid containing cavity.

8. The static level leakage and pipeline bubble detection device according to claim 3, characterized in that: The first leveling instrument housing and the second leveling instrument housing are both made of plastic.

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