阅读说明：本技术 一种漏水检测装置 (Water leakage detection device ) 是由 黄军 于 2019-12-05 设计创作，主要内容包括：本发明实施例提供了一种漏水检测装置,该漏水检测装置主要包括：第一导电单元、第二导电单元、ADC采样电路和单片机；所述第一导电单元与所述第二导电单元不相连地设置于所述密封罐体的内壁；所述ADC采样电路连接所述第一导电单元,用于采集所述第一导电单元与所述ADC采样电路连接处的电压；所述单片机连接所述ADC采样电路,用于检测所述电压的变化以判断是否漏水。当密封罐体进水时,会经过第一导电单元和第二导电单元以令第一导电单元和第二导电单元导通并形成第一电阻,从而导致所述电压的变化,通过检测所述电压的变化即可检测密封罐体是否漏水,实现了密封罐体的实时漏水检测,及时避免因漏水造成的内部装置受损。(The embodiment of the invention provides a water leakage detection device, which mainly comprises: the device comprises a first conductive unit, a second conductive unit, an ADC (analog to digital converter) sampling circuit and a singlechip; the first conductive unit and the second conductive unit are arranged on the inner wall of the sealed tank body in a non-connected mode; the ADC sampling circuit is connected with the first conductive unit and used for collecting voltage at the connection position of the first conductive unit and the ADC sampling circuit; the single chip microcomputer is connected with the ADC sampling circuit and used for detecting the change of the voltage to judge whether water leakage exists. When the sealed tank body intakes water, can pass through first electrically conductive unit and the electrically conductive unit of second in order to make first electrically conductive unit and the electrically conductive unit of second switch on and form first resistance, thereby lead to the change of voltage through detecting whether the change of voltage can detect sealed tank body leaks, has realized the real-time detection of leaking of sealed tank body, in time avoids because of leaking the internal installation that causes impaired.)

1. A water leakage detection device, comprising: the device comprises a first conductive unit, a second conductive unit, an ADC (analog to digital converter) sampling circuit and a singlechip;

the first conductive unit and the second conductive unit are arranged on the inner wall of the sealed tank body in a non-connected mode;

the ADC sampling circuit is connected with the first conductive unit and used for collecting voltage at the connection position of the first conductive unit and the ADC sampling circuit;

the single chip microcomputer is connected with the ADC sampling circuit and used for detecting the change of the voltage to judge whether water leakage exists.

2. The water leakage detection device of claim 1, wherein the first conductive unit and the second conductive unit are both disposed on a flexible circuit board, and the flexible circuit board is attached to an inner wall of the sealed tank body.

3. The water leakage detecting device of claim 2, wherein the flexible printed circuit is attached to the inner wall of the sealed tank in a ring shape along a circumferential direction of the inner wall.

4. The water leak detection apparatus according to claim 3,

the first conductive unit is a first conductive metal wire deposited on the flexible circuit board;

the second conductive unit is a second conductive metal wire deposited on the flexible circuit board;

when water flows through or floods, the first conductive unit and the second conductive unit are conducted to form a first resistor.

5. The water leakage detecting device of claim 4, wherein the first/second conductive wires are made of copper or nickel.

6. The water leak detection device according to claim 1, wherein the ADC sampling circuit comprises: the power supply, the second resistor, the third resistor and the analog-to-digital converter;

the power supply is connected with one end of the second resistor;

the other end of the second resistor is connected with the first conductive unit, the analog-to-digital converter and one end of the third resistor;

the other end of the third resistor is grounded.

7. The water leak detection device according to claim 6, wherein the second conductive unit is grounded.

8. The water leak detection device of claim 6, wherein the ADC sampling circuit further comprises a capacitor, one end of the capacitor is connected to the analog-to-digital converter, and the other end of the capacitor is grounded.

9. The water leakage detection device of claim 6, wherein the single chip is connected to the analog-to-digital converter, and configured to read an analog voltage collected by the analog-to-digital converter and convert the analog voltage into a digital voltage to detect a change in the voltage.

10. The water leak detection device of claim 1, wherein a water absorption device is provided on the first conductive unit and the second conductive unit.

Technical Field

The embodiment of the invention relates to a detection device, in particular to a water leakage detection device.

Background

With the more and more deep underwater research of people, underwater equipment is widely applied to daily life, scientific research and industrial exploration of people. Generally, in order to prevent the electric devices from being damaged by water, a power supply system, an electric line, and the like are generally placed in a sealed tank body. However, due to the existence of water pressure, the more deep the underwater equipment is in the water, the higher the water pressure is, once the sealed tank body is deformed or leaked, water enters the tank body, and a power supply system, an electric circuit and electric equipment are seriously damaged, so that very serious property loss is caused.

In order to detect the water leakage phenomenon in time, reduce the potential safety hazard, avoid the loss of property, the detection device that leaks at present mainly sets up a plurality of check points, inserts a resistance and parallelly connected power, judges the condition of leaking through the change of the partial pressure value after the check point switches on, but the check point can not detect the phenomenon of intaking in all directions comprehensively, very easily takes place because of can not detect the circuit damage and the loss of property that the phenomenon of leaking leads to in time.

Disclosure of Invention

In view of this, the present invention provides a water leakage detection device to detect whether water leakage occurs in a sealed tank in real time.

The water leakage detection device provided by the embodiment of the invention comprises: the device comprises a first conductive unit, a second conductive unit, an ADC (analog to digital converter) sampling circuit and a singlechip;

the first conductive unit and the second conductive unit are arranged on the inner wall of the sealed tank body in a non-connected mode;

the ADC sampling circuit is connected with the first conductive unit and used for collecting voltage at the connection position of the first conductive unit and the ADC sampling circuit;

the single chip microcomputer is connected with the ADC sampling circuit and used for detecting the change of the voltage to judge whether water leakage exists.

Preferably, the first conductive unit and the second conductive unit are both arranged on a flexible circuit board, and the flexible circuit board is attached to the inner wall of the sealed tank body.

Furthermore, the flexible circuit board is attached to the inner wall of the sealed tank body in a circle along the circumferential direction of the inner wall to form a ring.

Further, the first conductive unit is a first conductive metal wire deposited on the flexible circuit board;

the second conductive unit is a second conductive metal wire deposited on the flexible circuit board;

when water flows through or floods, the first conductive unit and the second conductive unit are conducted to form a first resistor.

Further, the first/second conductive metal lines are copper or nickel.

Preferably, the ADC sampling circuit includes: the power supply, the second resistor, the third resistor and the analog-to-digital converter;

the power supply is connected with one end of the second resistor;

the other end of the second resistor is connected with the first conductive unit, the analog-to-digital converter and one end of the third resistor;

the other end of the third resistor is grounded.

Further, the second conductive element is grounded.

Preferably, the ADC sampling circuit further includes a capacitor, one end of the capacitor is connected to the analog-to-digital converter, and the other end of the capacitor is grounded.

Preferably, the single chip microcomputer is connected with the analog-to-digital converter and used for reading the analog voltage acquired by the analog-to-digital converter and converting the analog voltage into a numerical voltage so as to detect the change of the voltage.

Preferably, the first conductive unit and the second conductive unit are provided with water absorption devices.

According to the water leakage detection device provided by the embodiment of the invention, when water enters the sealed tank body, the first conductive unit and the second conductive unit are conducted through the first conductive unit and the second conductive unit to form the first resistor, so that the voltage at the connection part of the first conductive unit and the ADC sampling circuit is changed, whether water leaks from the sealed tank body can be detected by detecting the change of the voltage value, the real-time water leakage detection of the sealed tank body is realized, and the damage of an internal device caused by water leakage is avoided in time.

Drawings

Fig. 1 is a schematic structural diagram of a water leakage detection device according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a water leakage detection device according to a second embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a sealed can according to a second embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a sealed can according to a second embodiment of the present invention;

FIG. 5 is a schematic view of a water leakage detection device according to an alternative embodiment of the present invention;

fig. 6 is a schematic structural diagram of a water leakage detection device according to another alternative embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

It is also to be noted that, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. And in order to avoid obscuring the invention with unnecessary detail, only the structures and/or process steps that are germane to the scheme according to the present invention are shown in the drawings, while other details that are not germane to the present invention are omitted.

Furthermore, the terms "first," "second," and the like may be used herein to describe various orientations, actions, steps, elements, or the like, but the orientations, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish one direction, action, step or element from another direction, action, step or element. For example, without departing. With the scope of the present invention, the first conductive element may be referred to as a second conductive element, and similarly, the second conductive element may be referred to as a first conductive element. The first conductive element and the second conductive element are both conductive elements, but are not the same conductive element. The terms "first", "second", etc. are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.