CN210199088U

CN210199088U - Wireless water quality monitoring sensor

Info

Publication number: CN210199088U
Application number: CN201920578908.9U
Authority: CN
Inventors: Yongjin Yang; 杨永金
Original assignee: XIAMEN HICON AUTOMATION SYSTEM ENGINEERING Co Ltd
Current assignee: XIAMEN HICON AUTOMATION SYSTEM ENGINEERING Co Ltd
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-03-27
Anticipated expiration: 2029-04-25

Abstract

The utility model relates to a wireless water quality monitoring sensor can include base, upper cover, circuit board, battery, antenna, water joint and water quality sensor, the base is in the same place with the sealed casing that forms to have a holding chamber of upper cover, and this casing can float on the surface of water, circuit board, battery and antenna are installed in the holding chamber, the battery does the circuit board power supply, the circuit board has the MCU and the lora wireless communication module of low-power consumption, lora wireless communication module is used for communicating with the host computer, the antenna with lora wireless communication module connects, the bottom of base is equipped with a through-hole, water joint is sealed to be passed the through-hole hangs under the base, the upper end with the circuit board is connected, and the lower extreme is used for connecting water quality sensor. The utility model discloses because sensor and battery can all be changed, and lora wireless communication module low power dissipation, consequently life lengthens greatly.

Description

Wireless water quality monitoring sensor

Technical Field

The utility model relates to a water quality monitoring equipment field specifically relates to a wireless water quality monitoring sensor.

Background

The wireless sensor on the water surface needs to have good water tightness and air tightness, and detection data are unstable and inaccurate due to water and moisture entering a circuit board of the sensor. The wireless sensor powered by the battery must use a low-power consumption means, so that the wireless sensor is generally only used for an uplink function of data in communication design. However, the sensor needs to be calibrated in the using process, and the sensor without the data downlink function has the defect that the sensor does not have the calibration function in the using process, so that the problem that the data error is larger and larger in the using process is caused. The wireless sensor generally comprises a sensor part and a host part, the host contains a battery, the service lives of the sensor and the battery are limited, if all the parts are integrated, when the service lives of the sensor and the battery reach, the whole product is scrapped, and therefore large waste is caused.

Disclosure of Invention

The utility model aims at providing a wireless water quality monitoring sensor to solve above-mentioned technical problem. Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a wireless water quality monitoring sensor, can include base, upper cover, circuit board, battery, antenna, water joint and water quality sensor, the base is in the same place with the sealed casing that forms to have a holding chamber of upper cover, and this casing can float on the surface of water, circuit board, battery and antenna are installed in the holding chamber, the battery does the circuit board power supply, the circuit board has MCU and the lora wireless communication module of low-power consumption, lora wireless communication module is used for carrying out the communication with the host computer, the antenna with lora wireless communication module connects, the bottom of base is equipped with a through-hole, water joint passes sealed the through-hole hangs under the base, the upper end with the circuit board is connected, and the lower extreme is used for connecting water quality sensor.

Further, wireless water quality monitoring sensor still includes the foam block, the foam block fills in the holding chamber the space beyond circuit board, battery and the antenna.

Furthermore, the shape of the foam block is consistent with the containing cavity and is formed with a concave part which is arranged on the circuit board, the battery and the antenna.

Further, the base and the upper cover form a dish-shaped housing.

Further, the engaging portion of the upper cover has an annular groove, and the engaging portion of the base has an annular projection which is sealingly engaged in the annular groove by an O-ring.

Still further, the upper cover is provided with a plurality of threaded fixing holes on the joint portion outside the annular groove, and the base is provided with a plurality of threaded through holes matched with the plurality of threaded fixing holes on the joint portion outside the annular protrusion.

Further, the circuit board is installed on the inner surface of the base, and a layer of waterproof glue is poured on the circuit board.

Further, the waterproof joint is in sealing joint with the through hole through waterproof glue.

Further, a handle is arranged in the middle of the upper surface of the upper cover.

Further, the water quality sensor includes one or more of a salinity sensor, an OPR sensor, a temperature sensor, a conductivity sensor, a PH sensor, a turbidity sensor, and a dissolved oxygen sensor.

Further, the model of the MCU is stm32L 0X.

Further, the battery is a 9500mAh ER26500 battery.

The utility model adopts the above technical scheme, the beneficial effect who has is: the utility model discloses because sensor and battery can all be changed, and lora wireless communication module low power dissipation, consequently life lengthens greatly. When the water-proof connector is used, a required sensor is connected to the exposed water-proof connector and then placed in water to be detected, and the water-proof connector is very convenient to use.

Drawings

To further illustrate the embodiments, the present invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. With these references, one of ordinary skill in the art will appreciate other possible embodiments and advantages of the present invention. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.

Fig. 1 is a perspective view of a wireless water quality monitoring sensor according to an embodiment of the present invention;

FIG. 2 is an exploded view of the wireless water quality monitoring sensor shown in FIG. 1;

FIG. 3 is a top view of the wireless water quality monitoring sensor shown in FIG. 1;

fig. 4 is a cross-sectional view of the wireless water quality monitoring sensor taken along line a-a in fig. 3.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

As shown in fig. 1 to 4, a wireless water quality monitoring sensor may include a base 1, an upper cover 2, a circuit board 3, a battery 4, an antenna 5, a waterproof joint 6, and a water quality sensor (not shown). The base 1 and the upper cover 2 are sealed together to form a housing with a containing cavity 10, and the housing can float on the water surface. The circuit board 3, the battery 4 and the antenna 5 are installed in the accommodating chamber 10. The battery 4 supplies power to the circuit board 3. In a preferred embodiment, the battery is a 9500mAh ER26500 battery. The circuit board 3 has a MCU (e.g., stm32L0X) and a lora wireless communication module with low power consumption. The antenna 4 is connected with the lora wireless communication module, and the lora wireless communication module is used for communicating with an upper computer. The bottom of base 1 is equipped with a through-hole 11, waterproof connector 6 passes in a sealed way through-hole 11 hangs base 1 below, the upper end with circuit board 3 is connected, the lower extreme is used for connecting the water quality sensor. When the water-proof connector is used, a required sensor is connected to the exposed water-proof connector and then placed in water to be detected, and the water-proof connector is very convenient to use. The utility model discloses because sensor and battery can all be changed, and MCU and lora wireless communication module low power dissipation, consequently life prolongs greatly, can reach more than 2 years.

In order to improve the floating stability of the wireless water quality monitoring sensor on the water surface, the wireless water quality monitoring sensor may further include a foam block (not shown) filling a space in the accommodating chamber 10 other than the circuit board 3, the battery 4, and the antenna 5. Preferably, the foam block is shaped to conform to the housing cavity 10 and is formed with recesses to accommodate the circuit board 3, battery 4 and antenna 5.

Preferably, the base 1 and the upper cover 2 form a dish-shaped housing. This is advantageous on the one hand for its stable floating on the water surface and on the other hand for an attractive appearance.

As shown in fig. 2 and 4, the engaging portion of the upper cover 2 has an annular groove 21, and the engaging portion of the base 1 has an annular projection 12, and the annular projection 12 is sealingly engaged in the annular groove 21 by an O-ring 7. This engagement structure can better prevent water from entering the accommodation chamber 10, and prolong the service life thereof.

For the convenience of installation, the upper cover 2 is provided with a plurality of screw fixing holes 22 at the joint portion outside the annular groove 21, and the base 1 is provided with a plurality of screw through holes 13 matched with the plurality of screw fixing holes at the joint portion outside the annular protrusion 12. When the device is installed, the upper cover 2 and the base 1 can be fixedly jointed together only by locking screws in the threaded through holes 13 and the threaded fixing holes 22.

In the illustrated embodiment, the circuit board is mounted on the inner surface of the base, and a layer of waterproof glue (e.g., waterproof AB glue) is poured thereon to further improve its waterproofness.

One specific way of sealing the watertight connector 6 through the through hole 11 is that the watertight connector 6 sealingly engages the through hole by means of a watertight glue (e.g. a watertight AB glue).

In addition, for convenient taking and placing, a handle 23 is arranged in the middle of the upper surface of the upper cover 2.

The water quality sensor may include one or more of a salinity sensor, an OPR sensor, a temperature sensor, a conductivity sensor, a PH sensor, a turbidity sensor, a dissolved oxygen sensor, and the like. When the water quality sensor is used, the required water quality sensor is selected to be connected to the exposed waterproof connector 6 according to specific requirements, and then the water quality sensor is placed in water to be detected, so that the water quality sensor is very convenient.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a wireless water quality monitoring sensor, its characterized in that, includes base, upper cover, circuit board, battery, antenna, water joint and water quality sensor, the base is in the same place with the sealed casing that forms to have a holding chamber of upper cover, and this casing can float on the surface of water, circuit board, battery and antenna are installed in the holding chamber, the battery does the circuit board power supply, the circuit board has MCU and the lora wireless communication module of low-power consumption, the antenna with the lora wireless communication module is connected, lora wireless communication module is used for carrying out the communication with the host computer, the bottom of base is equipped with a through-hole, the water joint is sealed to be passed the through-hole hangs under the base, the upper end with the circuit board is connected, and the lower extreme is used for connecting water quality sensor.

2. The wireless water quality monitoring sensor according to claim 1, further comprising a foam block filling a space in the housing chamber other than the circuit board, the battery and the antenna.

3. The wireless water quality monitoring sensor according to claim 2, wherein the foam block is shaped to conform to the receiving cavity and is formed with a recess giving way to the circuit board, the battery and the antenna.

4. The wireless water quality monitoring sensor of claim 1 wherein the base and the cover form a dished housing.

5. The wireless water quality monitoring sensor according to claim 4, wherein the engaging portion of the upper cover has an annular groove, and the engaging portion of the base has an annular protrusion sealingly engaged in the annular groove by an O-ring.

6. The wireless water quality monitoring sensor according to claim 5, wherein the upper cover is provided with a plurality of threaded fixing holes on the engaging portion outside the annular groove, and the base is provided with a plurality of threaded through holes on the engaging portion outside the annular protrusion, the threaded through holes being engaged with the plurality of threaded fixing holes.

7. The wireless water quality monitoring sensor of claim 1 wherein the circuit board is mounted on an inner surface of the base with a layer of waterproof glue cast thereon.

8. The wireless water quality monitoring sensor of claim 1 wherein the watertight connector sealingly engages the through-hole with a watertight glue.

9. The wireless water quality monitoring sensor according to claim 1, wherein a handle is provided in the middle of the upper surface of the upper cover.

10. The wireless water quality monitoring sensor of any one of claims 1 to 9 wherein the water quality sensor comprises one or more of a salinity sensor, an OPR sensor, a temperature sensor, a conductivity sensor, a PH sensor, a turbidity sensor and a dissolved oxygen sensor.