CN220039492U - Water logging sensor and terminal equipment thereof - Google Patents

Abstract

The utility model provides a water immersion sensor which comprises a shell and a sensor body arranged in the shell, wherein the shell comprises an upper cover and a lower cover, a buckling rib extending downwards is arranged on the upper cover in a protruding mode, and a buckling piece for enabling the buckling rib to rotationally buckle is arranged on the lower cover. When the upper cover rotates on the lower cover, the buckling ribs can be screwed into corresponding buckling pieces and are matched and clamped with the buckling pieces, so that the upper cover and the lower cover are connected and fixed; when the upper cover rotates reversely, the upper cover is unhooked, so that the upper cover and the lower cover are separated. Therefore, through the cooperation of buckle rib and buckling piece to need not to dismantle with the help of screw fixation or external instrument, easy dismounting is swift between upper cover and the lower cover, labour saving and time saving, the maintenance and the part replacement to the sensor body of being convenient for.

Description

Water logging sensor and terminal equipment thereof

Technical Field

The utility model belongs to the technical field of sensors, and particularly relates to a water immersion sensor and terminal equipment thereof.

Background

The water immersion sensor is a sensor for detecting whether or not water is immersed in a measured range. Most water logging sensor products in the market at present are matched in a snap fit or lock screw fit mode, and the sensor body is arranged in a space surrounded by the shell and the upper cover.

When the water immersion sensor is used for a period of time, the parts of the sensor body, such as a control board, a power supply and the like, need to be maintained and replaced. Use of a snap fit to disassemble the product at a later stage is inconvenient and can damage the product, use of a lock screw fit can increase screw cost, and is unsightly.

In view of the above, it is important to design and manufacture a water immersion sensor and a terminal device thereof, which can overcome the above problems.

Disclosure of Invention

Aiming at the technical problems that the water logging sensor in the prior art is inconvenient to detach a product in the later stage by using snap fit and can damage the product, the screw locking matching can increase the screw cost and is not attractive, the utility model provides the water logging sensor and the terminal equipment thereof.

In a first aspect, the utility model provides a water logging sensor, which comprises a housing and a sensor body arranged in the housing, wherein the housing comprises an upper cover and a lower cover, a buckling rib extending downwards is arranged on the upper cover in a protruding manner, and a buckling piece for rotationally buckling the buckling rib is arranged on the lower cover. When the upper cover rotates on the lower cover, the buckling ribs can be screwed into corresponding buckling pieces and are matched and clamped with the buckling pieces, so that the upper cover and the lower cover are connected and fixed; when the upper cover rotates reversely, the upper cover is unhooked, so that the upper cover and the lower cover are separated. Therefore, through the cooperation of buckle rib and buckling piece to need not to dismantle with the help of screw fixation or external instrument, easy dismounting is swift between upper cover and the lower cover, labour saving and time saving, the maintenance and the part replacement to the sensor body of being convenient for.

Preferably, one end of the buckling piece is provided with an opening end for the buckling ribs to rotationally buckle and enter, and a closed end is formed between the other end of the buckling piece and the side wall of the lower cover. The buckling rib is screwed into the closed end from the open end during buckling, and the operation is simple and convenient.

Further preferably, the spacing between the fastener and the sidewall of the lower cover is gradually reduced from the open end to the closed end. The buckling between the buckling ribs and the buckling pieces is facilitated by means of the design.

Further preferably, one end of the fastening rib is provided with an arc-shaped screwing-in portion, and the width of the fastening rib gradually decreases from one end where the screwing-in portion is located to the other end. By means of the design of the arc-shaped screwing-in part, the buckling ribs are conveniently screwed into the buckling pieces.

Further preferably, a mounting groove for mounting the sensor body is formed in the middle of the lower cover, the buckling piece is located between the inner side wall of the lower cover and the outer side wall of the mounting groove, and the buckling piece is arranged along two side mirror images of the sensor body. Through this design, clockwise rotation is the lock, and anticlockwise rotation is the dropout, conveniently installs the casing.

Further preferably, the number of the buckling pieces and the number of the buckling ribs are two, the two buckling pieces and the two buckling ribs are respectively located at two sides of the sensor body, and the sensor body is used as a central mirror image. By virtue of the design, the installation of the shell is convenient.

Further preferably, the fastening rib is provided with a groove, and a convex column for being fastened in the corresponding groove is arranged on one side, away from the upper cover, of the fastening piece. Through the joint cooperation of projection and recess, guarantee that the lock of upper cover and lower cover is connected stably, also can play the suggestion effect to opening of lock action simultaneously.

Further preferably, the groove is located on one side of the fastening rib, which is close to the screwing-in portion.

Further preferably, a plurality of reinforcing ribs are arranged between the buckling piece and the outer side wall of the mounting groove. By means of the design, deformation of the lower cover groove caused by repeated buckling can be prevented, and buckling quality is prevented from being influenced.

Further preferably, the sensor body includes a PCB main board, a power supply, an alarm and a probe which are respectively installed in the housing, and the power supply, the alarm and the probe are respectively electrically connected with the PCB main board.

Further preferably, the sensor further comprises a water immersion extension line, and the sensor body is provided with a connector for connecting the water immersion extension line. By means of the design, various installation and use modes such as flat placement or vertical suspension can be met.

Further preferably, a temperature and humidity sensor for detection is further arranged in the shell.

In a second aspect, the utility model also proposes a terminal device comprising a water immersion sensor as described in the first aspect.

Compared with the prior art, the utility model has the beneficial effects that:

(1) When the upper cover rotates on the lower cover, the buckling ribs can be screwed into corresponding buckling pieces and are matched and clamped with the buckling pieces, so that the upper cover and the lower cover are connected and fixed; when the upper cover rotates reversely, the upper cover is unhooked, so that the upper cover and the lower cover are separated. Therefore, through the cooperation of buckle rib and buckling piece to need not to dismantle with the help of screw fixation or external instrument, easy dismounting is swift between upper cover and the lower cover, labour saving and time saving, the maintenance and the part replacement to the sensor body of being convenient for.

(2) The water immersion sensor provided by the utility model adopts a new structural design, reduces the cost, and has high reliability and high mass productivity.

Drawings

The accompanying drawings are included to provide a further understanding of the embodiments and are incorporated in and constitute a part of this specification. The drawings illustrate embodiments and together with the description serve to explain the principles of the utility model. Many of the intended advantages of other embodiments and embodiments will be readily appreciated as they become better understood by reference to the following detailed description. The elements of the drawings are not necessarily to scale relative to each other. Like reference numerals designate corresponding similar parts.

FIG. 1 shows an exploded structural view of a water sensor according to an embodiment of the present utility model;

FIG. 2 shows a top view of a water immersion sensor according to an embodiment of the utility model;

FIG. 3 illustrates a bottom view of a water immersion sensor according to an embodiment of the present utility model;

FIG. 4 shows a schematic structural view of an upper cover in a water sensor according to an embodiment of the present utility model;

FIG. 5 shows a schematic view of the structure of a lower cover in a water immersion sensor according to an embodiment of the present utility model;

FIG. 6 is an enlarged schematic view of the portion A of FIG. 4;

FIG. 7 is an enlarged schematic view of the portion B of FIG. 5;

FIG. 8 shows a schematic cross-sectional view of a water immersion sensor according to an embodiment of the utility model;

fig. 9 is a schematic view showing a structure in which an upper cover is removed in a water sensor according to an embodiment of the present utility model.

Meaning of each number in the figure: 1. a housing; 2. a sensor body; 3. an upper cover; 4. a lower cover; 5. buckling ribs; 6. a fastener; 7. an open end; 8. a closed end; 9. a screw-in part; 10. a groove; 11. a convex column; 13. reinforcing ribs; 14. a PCB motherboard; 15. a power supply; 16. an alarm; 17. a probe; 18. a mounting groove; 19. a middle cover; 20. soaking the extension line in water; 21. a seal ring; 22. and a temperature and humidity sensor.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

In a first aspect, the present utility model discloses a water sensor, fig. 1 shows an exploded structure of the water sensor according to an embodiment of the present utility model, and as shown in fig. 1, in combination with fig. 2 and 3, the water sensor includes a housing 1 and a sensor body 2 installed in the housing 1, the housing 1 includes an upper cover 3 and a lower cover 4, a buckling rib 5 extending downward is convexly provided on the upper cover 3, and a buckling member 6 for rotationally buckling the buckling rib 5 is provided on the lower cover 4.

Specifically, referring to fig. 4 and 5, a mounting groove 18 for mounting the sensor body 2 is provided in the middle of the lower cover 4, and the fastener 6 is located between the inner sidewall of the lower cover 4 and the outer sidewall of the mounting groove 18, and the fastener 6 is disposed along both sides of the sensor body 2 in a mirror image. In this embodiment, the two sets of buckling pieces 6 and buckling ribs 5 are disposed, and the two sets of buckling pieces 6 and buckling ribs 5 are respectively located at two sides of the sensor body 2 and are disposed in mirror image with the sensor body 2 as a center. In other embodiments, the number of the buckling pieces 6 and the buckling ribs 5 can be designed according to practical requirements, and is not limited herein.

Further, referring to fig. 6 and 7, one end of the fastener 6 is provided with an open end 7 into which the fastening rib 5 is rotatably fastened, and a closed end 8 is formed between the other end of the fastener 6 and the side wall of the lower cover 4. The spacing between the fastener 6 and the side wall of the lower cover 4 gradually decreases from the open end 7 to the closed end 8. Correspondingly, one end of the buckling rib 5 is provided with an arc-shaped screwing-in part 9, and the width of the buckling rib 5 gradually decreases from one end where the screwing-in part 9 is located to the other end. By virtue of this design, the snap bead 5 is conveniently screwed into the fastener 6.

Further, the buckling ribs 5 are provided with grooves 10, and the side, far away from the upper cover 3, of the buckling piece 6 is provided with a convex column 11 for buckling into the corresponding groove 10. Through the joint cooperation of projection 11 and recess 10, during the installation, when the screw in portion 9 of buckle rib 5 was rotated in proper order by the open end 7 of buckling piece 6 in blind end 8, projection 11 can stretch into corresponding recess 10, realizes the location locking to buckle rib 5, and then improves the steadiness of being connected between upper cover 3 and lower cover 4, also can play the suggestion effect to the start-stop of buckling action simultaneously.

Further, referring to fig. 7 and 8, a plurality of reinforcing ribs 13 are provided between the fastener 6 and the outer side wall of the mounting groove 18. By virtue of the design, the deformation of the groove 10 of the lower cover 4 caused by multiple buckling can be prevented, and the buckling quality is prevented from being influenced.

Further, referring to fig. 1 and 9, the sensor body 2 includes a PCB main board 14, a power supply 15, an alarm 16 and a probe 17, which are respectively installed in the housing 1, and the power supply 15, the alarm 16 and the probe 17 are respectively electrically connected to the PCB main board 14.

Specifically, the PCB main board 14 is disposed in the mounting groove 18, and the mounting groove 18 is further fitted with a middle cover 19 to seal the PCB main board 14. In addition, an alarm 16 is provided on the top wall of the PCB main board 14. The number of the power supplies 15 is two AA batteries, and the two power supplies 15 are respectively arranged on two sides of the alarm 16, so that the stability of the water immersion sensor can be improved.

Wherein, referring to fig. 3, the number of probes 17 is two, further comprising a water immersion extension line 20, the sensor body 2 is provided with an interface for connecting the water immersion extension line 20, and is equipped with a waterproof silica gel plug. By means of the design, various installation and use modes such as flat placement or vertical suspension can be met. When two pin needles of the sensor detect a water source, the internal circuit is conducted, and the buzzer gives an alarm and reports to a user.

Further, referring to fig. 1 and 9, a sealing ring 21 is installed in the housing 1, the sealing ring 21 is installed in the annular groove 10 of the lower cover 4, and after the upper cover 3 and the lower cover 4 are rotationally buckled, the sealing ring 21 is extruded to realize sealing. In addition, the lower cover 4 is provided with a hanging hole, and the waterproof cover and the lower cover 4 are bonded and sealed through an ultrasonic process; the upper cover 3 is provided with a sound outlet hole, and when the water immersion sensor gives an alarm, sound emitted by the buzzer is transmitted out of the sound outlet hole; the waterproof sound-transmitting membrane is adhered below the bottom of the sound outlet hole, water is prevented from penetrating into the product, annular waterproof silica gel is installed below the waterproof sound-transmitting membrane, after the upper cover 3 is assembled, the annular silica gel props against the middle cover 19, prestress is generated on the waterproof sound-transmitting membrane, and good lamination of the waterproof sound-transmitting membrane and the upper cover 3 is guaranteed. Wherein the sound outlet hole of the upper cover 3 is designed to be 1.2mm in diameter and matched with a waterproof sound-permeable membrane, so that water leakage of the water soaking hole can be effectively prevented.

Further, a temperature and humidity sensor 22 for detecting the temperature and humidity inside the water immersion sensor is further arranged in the shell 1, and external air flows penetrate into the product through the sound outlet of the upper cover 3 to be detected. In addition, the upper cover 3 is designed with four ribs, and the ribs are propped against the battery after being matched with the lower cover 4, so that the battery can be effectively prevented from falling off from the battery groove in the use process.

When in installation, the upper cover 3 rotates on the lower cover 4, the buckling ribs 5 can be screwed into corresponding buckling pieces 6 and are matched and clamped with the buckling pieces 6, so that the upper cover 3 and the lower cover 4 are connected and fixed; when the upper cover 3 rotates reversely, the upper cover 3 is unhooked, so that the upper cover 3 and the lower cover 4 are separated. Therefore, through the cooperation of buckle rib 5 and fastener 6 to need not to dismantle with the help of screw fixation or external tool, easy dismounting is swift between upper cover 3 and the lower cover 4, labour saving and time saving, be convenient for to the maintenance and the part replacement of sensor body 2.

In a second aspect, an embodiment of the present utility model also discloses a terminal device, including a water immersion sensor as in the first aspect. At this time, the water immersion sensor can be designed to detect whether water is immersed in the induction area by the non-contact capacitive induction principle, the structure of the probe 17 can be omitted, circuit elements of the water immersion sensor are all located in the shell 1, and the waterproof performance is enhanced.

It will be appreciated that the terminal device may be further provided with an additional alarm 16, the alarm 16 being in communication with the PCB board 14, the water immersion sensor being adapted to emit a water immersion signal when detecting the presence of water in the sensing area, and the alarm 16 being adapted to emit an alarm signal to alert the user when the alarm 16 receives the water immersion signal from the water immersion sensor.

Specifically, the terminal device may be a mobile terminal intelligent device of a user, for example, a smart phone, the alarm 16 is an APP application in the terminal device, the alarm 16 is connected with the water logging sensor in a communication manner through the terminal device, and the alarm signal sent by the alarm 16 may be an alarm prompt tone, alarm vibration, or the like. The water logging sensor can be placed in household appliances, and can monitor the water logging condition of the household appliances in real time.

While the utility model has been described with reference to specific embodiments, the scope of the utility model is not limited thereto, and any changes or substitutions can be easily made by those skilled in the art within the scope of the utility model disclosed herein, and are intended to be covered by the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The word 'comprising' does not exclude the presence of elements or steps not listed in a claim. The word 'a' or 'an' preceding an element does not exclude the presence of a plurality of such elements. The mere fact that certain measures are recited in mutually different dependent claims does not indicate that a combination of these measures cannot be used to advantage. Any reference signs in the claims shall not be construed as limiting the scope.

Claims (10)

1. The utility model provides a water logging sensor, includes the casing and install in sensor body in the casing, its characterized in that, the casing includes upper cover and lower cover, the protrusion is provided with downwardly extending's buckle rib on the upper cover, be provided with the confession on the lower cover the buckle rib carries out the lock piece of rotatory lock.

2. The water sensor of claim 1, wherein one end of the fastener is provided with an open end into which the snap-in ribs are rotatably snapped, and a closed end is formed between the other end of the fastener and the side wall of the lower cover.

3. The water sensor according to claim 2, wherein the distance between the buckling piece and the side wall of the lower cover is gradually reduced from the open end to the closed end, one end of the buckling rib is provided with an arc-shaped screwing-in part, and the width of the buckling rib is gradually reduced from one end where the screwing-in part is located to the other end.

4. A water logging sensor according to claim 3 wherein a mounting groove is provided in the middle of the lower cover for mounting the sensor body, the fastener being located between the inner side wall of the lower cover and the outer side wall of the mounting groove, the fastener being arranged in mirror image along both sides of the sensor body.

5. The water sensor of claim 4, wherein the two sets of the fastener and the fastening rib are respectively located at two sides of the sensor body and are arranged in a mirror image manner with the sensor body as a center.

6. The water sensor according to claim 5, wherein the fastening rib is provided with a groove, a boss for being fastened into the corresponding groove is provided on a side of the fastener away from the upper cover, the groove is located on a side of the fastening rib near the screwing portion, and a plurality of reinforcing ribs are further provided between the fastener and an outer side wall of the mounting groove.

7. The water logging sensor of any one of claims 1-6 wherein the sensor body comprises a PCB motherboard, a power source, an alarm, and a probe mounted in the housing, respectively, the power source, the alarm, and the probe being electrically connected to the PCB motherboard, respectively.

8. The water logging sensor of claim 7 further comprising a water logging extension, wherein the sensor body is provided with an interface for connecting the water logging extension.

9. The water logging sensor of claim 8 wherein a temperature and humidity sensor for sensing is further disposed in the housing.

10. A terminal device comprising a water immersion sensor according to any one of claims 1-9.