Water invasion sensor

By designing a water intrusion sensor structure with cover plate, detection rod and elastic baffle, the problem of reduced reaction speed caused by dust blockage is solved, effective protection of the detection rod is achieved, and the sensor is ensured to be responded quickly.

CN223140237UActive Publication Date: 2025-07-22NANJING FUTAI ELECTRONIC INFORMATION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422331095.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-07-22
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

When used, existing water-immersion sensors are prone to blocking the detection head due to dust, resulting in a decrease in reaction speed and affecting the detection effect.

Method used

A water intrusion sensor is designed, adopting a box structure, including a cover plate, a detection rod, a slot, a baffle and an elastic member. Through the cooperation of the rotating baffle of the slot and the elastic member, the dust is sealed to ensure protection of the detection rod.

Benefits of technology

It effectively prevents dust from entering the sensor, improves the speed and reliability of detection reactions, and avoids detection delays caused by dust blockage.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223140237U_ABST
    Figure CN223140237U_ABST
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Abstract

The utility model discloses a water invasion sensor, and specifically relates to the technical field of water invasion sensors, a box body is provided with a plurality of notches arranged in a circumferential array, baffle plates are rotatably arranged in the notches, the bottoms of the baffle plates are provided with abutting members, the abutting members are internally provided with placing grooves, the placing grooves are internally provided with second elastic members, the abutting members are arc-shaped, and the second elastic members are arranged in the placing grooves. The arc top is pushed by the second elastic piece and abuts against the interior of the notch. According to the water invasion sensor provided by the utility model, the box body is sealed through the cover plate on the box body, water immersion is warned through the warning lamp on the cover plate, water is detected through the detection rod at the bottom of the cover plate, water flows into the box body through the notch in the box body, then detection is carried out through detection and the like, and the notch is sealed through the baffle; and external dust cannot enter the box body, the detection rod is protected, the notch is sealed through the abutting piece, and the notch is further sealed through the second elastic piece in the containing groove.
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Description

Technical Field

[0001] The utility model relates to the technical field of water intrusion sensors, in particular to a water intrusion sensor. Background Art

[0002] A water sensor is a device used to monitor the presence of water in an environment. It is widely used in leak prevention, water level monitoring, safety protection, and other fields. Its working principle is mainly based on the conductivity of liquid or the refraction and reflection characteristics of light. The liquid level information is detected by the sensor element, and then the information is converted into an electrical signal through the signal conversion and processing circuit, and finally the result is displayed to the user through the output device.

[0003] According to the disclosure (announcement) number: CN217980687U, the disclosure (announcement) date: 2022-12-06, a water immersion sensor is disclosed, including: a shell, having a bottom wall, a first side wall and a second side wall, the first side wall is obliquely arranged on the bottom wall, the second side wall is perpendicular to the first side wall, and is located at one end of the first side wall relative to the bottom wall, and the first side wall is provided with a through hole; a detection probe is passed through the through hole, and part of the detection probe is located outside the shell; wherein, the water immersion sensor has a first state and a second state, in the first state, the bottom wall coincides with the horizontal plane, and the gap N1 between the lowest point of the detection probe and the horizontal plane satisfies: 0.1mm≤N1≤5mm; in the second state, the second side wall coincides with the horizontal plane, and the gap N2 between the lowest point of the detection probe and the horizontal plane satisfies: 0.1mm≤N2≤5mm.

[0004] It can be known from the above-mentioned patents and prior art that when the water immersion sensor is in use, the sensor is placed on the bottom surface. When the sensor is on the ground, there will be too much dust in the room during cleaning, which will cause the sensor head to be blocked, resulting in a slow reaction when water penetrates, affecting the reaction speed and causing property loss. Utility Model Content

[0005] The utility model aims to provide a water intrusion sensor, which avoids the sensor detection head being blocked by dust, resulting in a reduction in the sensor response speed.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a water intrusion sensor, comprising a box body, a cover plate is provided on the box body, an alarm light is provided on the cover plate, a detection rod is provided at the bottom of the cover plate, the detection rod and the alarm light are connected, a plurality of notches arranged in a circular array are provided on the box body, a baffle is rotatably provided in the notch, a resistance member is provided at the bottom of the baffle, a placement groove is provided in the resistance member, a second elastic member is provided in the placement groove, the resistance member is arc-shaped, and the arc top is pushed by the second elastic member and resists in the notch.

[0007] Preferably, a rotating shaft is provided on the notch, and the baffle is arranged on the rotating shaft.

[0008] Preferably, a protective cover is provided at the bottom of the cover plate, the detection rod is arranged inside the protective cover, and a plurality of communication grooves arranged in a circumferential array are formed on the protective cover.

[0009] Preferably, a bottom plate is provided at the bottom of the protective cover, and a plurality of through holes arranged in a circumferential array are formed on the bottom plate.

[0010] Preferably, a plurality of insertion rods arranged in a circumferential array are provided on the bottom plate, the insertion rods are slidably arranged on the protective cover, and a first elastic member is arranged on the insertion rods.

[0011] Preferably, a protective groove is formed in the box body, and a collecting portion is provided at the bottom of the protective groove.

[0012] Preferably, a plurality of first pipe bodies arranged in a circumferential array are provided at the bottom of the protective groove, and the first pipe bodies are communicated with the collecting portion.

[0013] Preferably, it includes a baffle, a bearing cavity is formed on the baffle, a second pipe body is arranged at the other end of the first pipe body, a connecting groove is formed on the baffle, and the second pipe body is communicated with the bearing cavity through the connecting groove.

[0014] Preferably, the second elastic member is a spring.

[0015] Preferably, the first elastic member is a spring.

[0016] In the above technical solution, a water intrusion sensor provided by the present utility model has the following beneficial effects: the box body is sealed by the cover plate on the box body, the water intrusion is warned by the alarm lamp on the cover plate, the water is detected by the detection rod at the bottom of the cover plate, the water flows into the box body through the notch on the box body, and then is detected through detection, etc. The notch is sealed by the baffle, so that external dust cannot enter the box body, the detection rod is protected, the notch is sealed by the abutting member, and the notch is further sealed by the second elastic member in the placement groove. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model, and those of ordinary skill in the art can also obtain other drawings based on these drawings.

[0018] Figure 1Schematic diagram of the overall structure provided by the embodiment of the present utility model;

[0019] Figure 2 Schematic sectional view provided by the embodiment of the present utility model;

[0020] Figure 3 Schematic diagram of the structure inside the box body provided by the embodiment of the present utility model;

[0021] Figure 4 Schematic enlarged view of the structure of part A provided by the embodiment of the present utility model.

[0022] Explanation of reference numerals:

[0023] 1. Box body; 10. Protection groove; 11. Notch; 12. Cover plate; 13. Alarm lamp; 14. Protective cover; 15. Communication groove; 16. Bottom plate; 17. Flow hole; 18. Detection rod; 19. Collection part; 20. Insertion rod; 21. First elastic member; 22. First pipe body; 23. Second pipe body; 24. Connection groove; 25. Baffle; 26. Rotating shaft; 27. Bearing cavity; 28. Contact member; 29. Placing groove; 30. Second elastic member. Detailed implementation manners

[0024] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further introduced in detail below in conjunction with the accompanying drawings.

[0025] As Figures 1-4 shown, a water intrusion sensor includes a box body 1, a cover plate 12 is arranged on the box body 1, an alarm lamp 13 is arranged on the cover plate 12, a detection rod 18 is arranged at the bottom of the cover plate 12, the detection rod 18 is connected to the alarm lamp 13, a plurality of notches 11 arranged in a circumferential array are formed in the box body 1, a baffle 25 is rotatably arranged in the notch 11, a contact member 28 is arranged at the bottom of the baffle 25, a placing groove 29 is formed in the contact member 28, a second elastic member 30 is arranged in the placing groove 29, the contact member 28 is arc-shaped, and the arc top is pushed by the second elastic member 30 and abuts in the notch 11.

[0026] Specifically, during use, the box body 1 is placed on the ground, then the alarm lamp 13 is installed on the cover plate 12, then the detection rod 18 passes through the cover plate 12, then the cover plate 12 is placed on the box body 1, and then when water is on the ground and exceeds the notch 11, the baffle 25 in the notch 11 will be pushed, and the baffle 25 will move inward, and then the water will contact the detection rod 18. At this time, the alarm lamp 13 will sound to warn and inform the indoor personnel. When not in use, the second elastic member 30 will push the contact member 28 so that the contact member 28 contacts the bottom of the notch 11 to seal the notch 11 in the default state.

[0027] In the above scheme, the box body 1 is sealed by the cover 12 on the box body 1, the water immersion is warned by the alarm light 13 on the cover 12, the water is detected by the detection rod 18 at the bottom of the cover 12, the water flows into the box body 1 through the slot 11 on the box body 1, and then the water is detected by the detection, the slot 11 is sealed by the baffle 25, so that the external dust cannot enter the box body 1, the detection rod 18 is protected, the slot 11 is sealed by the resistance member 28, and the slot 11 is further sealed by the second elastic member 30 placed in the groove 29.

[0028] As an embodiment further provided by the present invention, according to Figure 1 and Figure 2 As shown, a rotating shaft 26 is arranged on the slot 11 , and the baffle 25 is arranged on the rotating shaft 26 .

[0029] Specifically, the baffle 25 rotates in the slot 11 via the rotating shaft 26 .

[0030] As an embodiment further provided by the present invention, according to Figure 2 As shown, a protective cover 14 is disposed at the bottom of the cover plate 12 , a detection rod 18 is disposed in the protective cover 14 , and a plurality of connecting grooves 15 arranged in a circumferential array are formed on the protective cover 14 .

[0031] Specifically, when water enters the box body 1 , it will first contact the protective cover 14 . The protective cover 14 seals the detection rod 18 in a default state. The water will first enter the connecting groove 15 on the protective cover 14 and contact the detection rod 18 .

[0032] As an embodiment further provided by the present invention, according to Figure 2 As shown, a bottom plate 16 is disposed at the bottom of the protective cover 14, and a plurality of flow holes 17 arranged in a circumferential array are opened on the bottom plate 16.

[0033] Specifically, the flow holes 17 on the bottom plate 16 will discharge the water in the protective cover 14 .

[0034] As an embodiment further provided by the present invention, according to Figure 2 As shown, a plurality of insertion rods 20 arranged in a circular array are provided on the bottom plate 16 , the insertion rods 20 are slidably provided on the protective cover 14 , and a first elastic member 21 is provided on the insertion rods 20 .

[0035] Specifically, when there is too much water on the bottom plate 16, the flow holes 17 cannot meet the drainage speed, and the bottom plate 16 will move downward through the insertion rod 20, so that the first elastic member 21 is stressed, and the water is discharged through the surroundings.

[0036] As an embodiment further provided by the present invention, according to Figure 2As shown in the figure, a protective groove 10 is provided in the box body 1, and a collecting part 19 is arranged at the bottom of the protective groove 10.

[0037] Specifically, after the water is discharged through the four sides, it will enter the collecting part 19 in the protective groove 10.

[0038] As a further embodiment provided by the present utility model, according to Figure 2 As shown in the figure, a plurality of first pipe bodies 22 arranged in a circumferential array are provided at the bottom of the protective groove 10, and the first pipe bodies 22 are communicated with the collecting part 19.

[0039] Furthermore, it includes a baffle 25. A bearing cavity 27 is provided on the baffle 25. The other end of the first pipe body 22 is provided with a second pipe body 23. A connecting groove 24 is provided on the baffle 25, and the second pipe body 23 is communicated with the bearing cavity 27 through the connecting groove 24.

[0040] Specifically, after the water enters the collecting part 19 in the protective groove 10, it will successively enter the first pipe body 22 and the second pipe body 23, and enter the connecting groove 24, and finally enter the bearing cavity 27, flushing the bearing cavity 27 in the baffle 25, and then making the abutting member 28 move downward to re-seal the notch 11, so as to prevent the water from covering the detection rod 18 too much.

[0041] Working principle: When in use, place the box body 1 on the ground, then install the alarm lamp 13 on the cover plate 12, then pass the detection rod 18 through the cover plate 12, then place the cover plate 12 on the box body 1. Then when the water is on the ground and exceeds the notch 11, it will push against the baffle 25 in the notch 11 and make the baffle 25 move inward. Then the water will contact the detection rod 18. At this time, the alarm lamp 13 will sound to give a warning and inform the indoor personnel. When not in use, the second elastic member 30 will push against the abutting member 28 to make the abutting member 28 contact the bottom of the notch 11 to seal the notch 11 in the default state. At the same time, when the water infiltrates into the box body 1, it will first contact the protective cover 14. The protective cover 14 seals the detection rod 18 in the default state. The water will first enter the communication groove 15 on the protective cover 14 and contact the detection rod 18. The through holes 17 on the bottom plate 16 will drain the water in the protective cover 14. When the water on the bottom plate 16 is too much, the current through holes 17 cannot meet the drainage speed. Then the bottom plate 16 will move downward through the insertion rod 20 to make the first elastic member 21 stressed. At this time, the water is discharged through the four sides. After the water is discharged through the four sides, it will enter the collecting part 19 in the protective groove 10. After the water enters the collecting part 19 in the protective groove 10, it will successively enter the first pipe body 22 and the second pipe body 23, and enter the connecting groove 24, and finally enter the bearing cavity 27, flushing the bearing cavity 27 in the baffle 25, and then making the abutting member 28 move downward to re-seal the notch 11, so as to prevent the water from covering the detection rod 18 too much.

[0042] Only some exemplary embodiments of the present utility model have been described by way of illustration. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. A water intrusion sensor, characterized in that, The invention comprises a box body (1), wherein a cover plate (12) is arranged on the box body (1), an alarm light (13) is arranged on the cover plate (12), a detection rod (18) is arranged at the bottom of the cover plate (12), the detection rod (18) and the alarm light (13) are connected, a plurality of notches (11) arranged in a circumferential array are provided on the box body (1), a baffle plate (25) is rotatably arranged in the notch (11), a resisting member (28) is arranged at the bottom of the baffle plate (25), a placement groove (29) is arranged in the resisting member (28), a second elastic member (30) is arranged in the placement groove (29), the resisting member (28) is arc-shaped, and the top of the arc is pushed by the second elastic member (30) and resists in the notch (11).

2. The water intrusion sensor according to claim 1, characterized in that, A rotating shaft (26) is arranged on the notch (11), and the baffle (25) is arranged on the rotating shaft (26).

3. The water intrusion sensor according to claim 1, characterized in that, A protective cover (14) is arranged at the bottom of the cover plate (12), the detection rod (18) is arranged in the protective cover (14), and the protective cover (14) is provided with a plurality of communication grooves (15) arranged in a circumferential array.

4. The water intrusion sensor according to claim 3, characterized in that, A bottom plate (16) is provided at the bottom of the protective cover (14), and a plurality of flow holes (17) arranged in a circumferential array are provided on the bottom plate (16).

5. The water intrusion sensor according to claim 4, characterized in that, A plurality of insertion rods (20) arranged in a circumferential array are provided on the bottom plate (16); the insertion rods (20) are slidably arranged on the protective cover (14); and a first elastic member (21) is provided on the insertion rods (20).

6. The water intrusion sensor according to claim 1, wherein A protection groove (10) is provided in the box body (1), and a collecting portion (19) is provided at the bottom of the protection groove (10).

7. The water intrusion sensor according to claim 6, wherein, A plurality of first tube bodies (22) arranged in a circumferential array are provided at the bottom of the protection groove (10), and the first tube bodies (22) are connected to the collecting portion (19).

8. The water intrusion sensor according to claim 7, wherein, The baffle plate (25) comprises a bearing cavity (27) formed on the baffle plate (25); a second tube body (23) is arranged at the other end of the first tube body (22); a connecting groove (24) is formed on the baffle plate (25); and the second tube body (23) is connected to the bearing cavity (27) through the connecting groove (24).

9. The water intrusion sensor according to claim 1, wherein, The second elastic member (30) is a spring.

10. A water intrusion sensor according to claim 5, characterized in that, The first elastic member (21) is a spring.

Citation Information

Patent Citations

  • Water immersion sensor

    CN217980687U