Water immersion sensor

Abstract

The utility model discloses a water sensor, which comprises an outer shell and a PCB (printed circuit board) arranged in the outer shell, one end of the first induction probe is connected with the PCB, and the other end of the first induction probe penetrates through the bottom of the outer shell to induce water; the PCB is also provided with a probe joint. The probe connector is connected with an outer wrapping probe assembly which can extend out of the outer shell to be used. According to the utility model, the symmetrical first induction probes at the bottom of the outer shell are communicated when meeting water, signals are transmitted to the MCU processing module in time, the MCU processing module sends the signals to the gateway through the wireless module, and then the signals are sent to a terminal, so that workers can be reminded in time; the external probe assembly extends out of the outer shell to be used, manual work is replaced to monitor the water storage amount, the sensor body can monitor water leakage and can be used in cooperation with the external probe assembly to monitor the water storage amount, and therefore the use range is widened.

Description

Technical Field

[0001] This utility model relates to the field of sensor technology, specifically to a water immersion sensor. Background Technology

[0002] Water immersion sensors are based on the principle of liquid conductivity and detect whether water leakage has occurred in the measured area. In existing technologies, the probes of water immersion sensors are all mounted on the sensor body and can only monitor leakage. However, during the storage of water in bathtubs or swimming pools, due to the large volume and long-term storage, workers must manually monitor the water level in real time while standing by the pool, increasing their workload. Therefore, this paper proposes a water immersion sensor that can monitor both leakage and water storage. Summary of the Invention

[0003] The purpose of this invention is to provide a water immersion sensor to solve the above problems.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a water immersion sensor, comprising a housing and a PCB board installed inside the housing; characterized in that a first sensing probe is symmetrically installed on the housing, with one end connected to the PCB board and the other end passing through the bottom of the housing to sense water; a probe connector is also installed on the PCB board; and an external probe assembly that can extend outside the housing for use is connected to the probe connector.

[0005] Preferably, the external probe assembly includes a counterweight housing, a cover mounted on the counterweight housing, a sensor plate mounted on the cover, and a counterweight installed inside the counterweight housing.

[0006] Preferably, a connecting wire is also connected between the sensing element and the probe connector.

[0007] Preferably, the PCB board inside the housing is also provided with an MCU processing module, a power module, a network distribution module and a wireless module respectively connected to the MCU processing module.

[0008] Preferably, the housing also includes an antenna and a power switch connected to the PCB board.

[0009] Preferably, the housing is also provided with mounting holes for easy fixing of the sensor.

[0010] The beneficial effects of this utility model are as follows: When the first symmetrical sensing probes at the bottom of the outer shell are exposed to water, they transmit the signal to the MCU processing module in a timely manner. The MCU processing module then sends the signal to the gateway via the wireless module, and finally to the terminal, which can provide timely reminders to the staff.

[0011] By extending the external probe assembly outside the housing, the sensor can replace manual monitoring of water storage, thus expanding its application range. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 This is a schematic diagram of the external probe assembly of this utility model.

[0014] Figure 3 This is a schematic diagram of the outer probe assembly housing cover of this utility model.

[0015] Figure 4 This is a partial structural schematic diagram of the external probe assembly of this utility model.

[0016] Figure 5 This is a partial structural schematic diagram of the present invention.

[0017] Figure 6 This is a schematic diagram of the present invention.

[0018] Legend: 1. Outer casing; 101. Mounting hole; 2. PCB board; 201. Probe connector; 202. MCU processing module; 203. Power module; 204. Network distribution module; 205. Wireless module; 3. First sensing probe; 4. External probe assembly; 401. Counterweight casing; 402. Cover; 403. Sensing plate; 404. Counterweight; 405. Connecting wire; 5. Antenna; 6. Power switch. Detailed Implementation

[0019] The water immersion sensor described in this utility model will now be further described with reference to the accompanying drawings.

[0020] It should be noted that all directional indications in the embodiments of the present invention, such as up, down, left, right, front, back, etc., are only used to explain the relative positional relationship and movement of the components in a specific posture as shown in the attached figure. If the specific posture changes, the directional indication will also change accordingly.

[0021] See appendix Figure 1-6As shown, this embodiment of a water immersion sensor includes a housing 1 and a PCB board 2 installed inside the housing 1. The sensor is characterized by having a first sensing probe 3 symmetrically mounted on the housing 1, one end of which is connected to the PCB board 2, and the other end passing through the bottom of the housing 1 to sense water. A probe connector 201 is also mounted on the PCB board 2. An external probe assembly 4, which extends to the outside of the housing 1, is connected to the probe connector 201. The housing 1 also has mounting holes 101 for easy sensor fixation. When water is encountered, the first sensing probe 3 symmetrically mounted on the bottom of the housing 1 transmits a signal to the MCU processing module 202. The MCU processing module 202 then sends the signal to the gateway via a wireless module 205, and finally to the terminal, providing timely alerts to staff. The external probe assembly 4 extends to the outside of the housing 1, replacing manual monitoring of water levels. This allows the sensor to not only monitor leaks but also, in conjunction with the external probe assembly 4, monitor water levels, thus expanding its application range.

[0022] See appendix Figure 2-4 As shown, the external probe assembly 4 includes a counterweight housing 401, a cover 402 mounted on the counterweight housing 401, a sensing element 403 mounted on the cover 402, and a counterweight 404 mounted inside the counterweight housing 401. A connecting wire 405 is also connected between the sensing element 403 and the probe connector 201. By using the counterweight 404, the overall weight of the external probe assembly 4 can be increased, preventing the external probe assembly 4 from being too light and easily moving, thus affecting the accuracy of monitoring. The sensing element 403 communicates with water, and the signal is transmitted to the MCU processing module 202 via the connecting wire 405, thereby facilitating the external probe assembly 4 to extend outside the housing 1 to monitor water.

[0023] See appendix Figure 5 As shown, the PCB board 2 inside the outer casing 1 is also provided with an MCU processing module 202, a power module 203, a network distribution module 204 and a wireless module 205 respectively connected to the MCU processing module 202; the outer casing 1 is also provided with an antenna 5 and a power switch 6 connected to the PCB board 2.

[0024] In the process of using this utility model, when a single sensor is in use, first press the power switch 6 to power the power module 203 to the sensor, then press and hold the distribution module 204 to connect the sensor to the gateway. By passing screws through the mounting holes 101 on the housing 1, the sensor is fixed to the wall or ground where water leakage is being monitored. After the first sensing probe 3 at the bottom of the housing 1 comes into contact with water, it transmits the signal to the MCU processing module 202. The MCU processing module 202 transmits the signal to the gateway through the wireless module 205. The gateway receives the signal and transmits it to the terminal through the communication module to remind the staff, who can then handle the situation in a timely manner.

[0025] When the external probe assembly 4 is used in conjunction with the sensor, one end of the connecting wire 405 on the external probe assembly 4 is plugged into the probe connector 201, and the external probe assembly 4 is placed at the location where water is sensed. If a bathtub or swimming pool needs to store water, the sensor can be fixed on the wall, and the external probe assembly 4 can be extended into the bathtub or swimming pool. When the water in the bathtub or swimming pool passes through the sensing plate 403, the sensing plates 403 on both sides of the cover 402 are connected, and the signal is transmitted to the MCU processing module 202 through the connecting wire 405. The MCU processing module 202 transmits the signal to the gateway through the wireless module 205. The gateway receives the signal and transmits it to the terminal through the communication module to remind the staff, who can then handle the situation in a timely manner.

[0026] The above embodiments are illustrative of the present invention and are not intended to limit the present invention. Any simple modifications to the present invention are within the protection scope of the present invention.

Claims

1. A water immersion sensor, comprising a housing (1) and a PCB board (2) mounted within the housing (1); characterized in that... A first sensing probe (3) is symmetrically installed on the outer shell (1), with one end connected to the PCB board (2) and the other end passing through the bottom of the outer shell (1) to sense water; a probe connector (201) is also installed on the PCB board (2); an external probe assembly (4) that can extend to the outside of the outer shell (1) is connected to the probe connector (201).

2. A water immersion sensor according to claim 1, characterized in that: The external probe assembly (4) includes a counterweight housing (401), a cover (402) mounted on the counterweight housing (401), a sensor (403) mounted on the cover (402), and a counterweight (404) mounted inside the counterweight housing (401).

3. A water immersion sensor according to claim 2, characterized in that: A connecting wire (405) is also connected between the sensing element (403) and the probe connector (201).

4. A water immersion sensor according to claim 1, characterized in that: The PCB board (2) inside the outer casing (1) is also provided with an MCU processing module (202), a power module (203), a distribution network module (204) and a wireless module (205) respectively connected to the MCU processing module (202).

5. A water immersion sensor according to claim 4, characterized in that: The outer casing (1) also houses an antenna (5) and a power switch (6) connected to the PCB board (2).

6. A water immersion sensor according to claim 5, characterized in that: The outer casing (1) is also provided with mounting holes (101) to facilitate fixing the sensor.

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