Waterproof sensor node packaging box for environmental monitoring
Technical Field
The invention relates to the technical field of environmental monitoring node modules and sensor packaging, in particular to a waterproof sensor node packaging box for environmental monitoring
Background
With the coming of the internet plus era, the application of the internet of things technology in environmental monitoring is more and more extensive, and the wireless sensor network is the core of physical world information perception as a key technology in the technical field of the internet of things. The wireless sensor network is composed of a plurality of sensor nodes, and the sensor node module collects environmental information and transmits the information in networking and wireless communication modes to cooperatively complete certain specific functions. The wireless sensor network is applied to the field of environmental monitoring, and the information acquisition capacity of multiple sensors of the wireless sensor network can be fully exerted.
However, the currently used sensor node package often cannot perform good protection such as water resistance and dust resistance on a node module, and the package box has a complex structure and is inconvenient to manufacture, so that the integrated package of multiple sensors is difficult to realize. The sensors are troublesome to replace after being damaged, and the packaging box is non-transparent, so that the working condition of the indicator lights of the sensors can not be directly observed.
Disclosure of Invention
The invention aims to provide a waterproof sensor node packaging box for environment monitoring, which realizes waterproof and dustproof protection of a monitoring node module and integrated packaging of multiple sensors and provides a simple manufacturing and assembling method of the packaging box.
The technical scheme of the invention is realized as follows:
a waterproof sensor node packaging box for environmental monitoring is characterized in that a packaging box main body is divided into an inner layer structure, a middle layer structure and an outer layer structure, the inner layer structure, the middle layer structure and the outer layer structure share an outer layer rear wall, and a packaging box connecting front wing and a packaging box connecting rear wing are respectively connected with the outer layer front wall and the outer layer rear wall; the connection mode of the packaging box cover, the packaging box connection front wing and the packaging box connection rear wing is that a fixing bolt is connected with a fixing nut; the bottom left support and the bottom right support are respectively arranged at the left end and the right end of the lower wall and are used as packaging box supporting pieces; the monitoring node module is arranged in the inner layer structure, and each sensor is arranged on the middle layer structure.
The inner layer structure comprises an inner layer left wall, an inner layer right wall and an inner layer front wall, wherein wire holes are formed in the lower portions of the inner layer left wall, the inner layer right wall and the inner layer front wall, and power line guide holes are formed in the front wall.
The middle layer structure comprises a middle layer left wall, a middle layer right wall and a middle layer front wall, wherein wire holes are formed in the upper portions of the left wall, the right wall and the front wall, and sensor fixing holes are formed in the middle layer three walls.
The outer layer structure comprises an outer layer left wall, an outer layer right wall, an outer layer rear wall and an outer layer front wall, wherein the left wall, the right wall, the front wall and the rear wall are all provided with ventilation holes, and the rear wall is also provided with an antenna guide hole.
The sensors comprise a temperature and humidity sensor, a PM2.5 sensor, a smoke gas sensor, a CO sensor, an SO2 sensor and a vibration sensor. The CO sensor and the smoke gas-sensitive sensor are connected and arranged on the right wall of the middle layer through fixing bolts and nuts, the SO2 sensor is connected and arranged on the front wall (20) of the middle layer through fixing bolts and nuts, the temperature and humidity sensor is connected and arranged on the left wall of the middle layer through fixing bolts and nuts, the PM2.5 sensor is arranged on the left side inside the packaging box through a fixing block, and the vibration sensor is arranged outside the packaging box through an inner layer wire hole, a middle layer wire hole and an outer layer power line guide hole.
The monitoring node module is installed in the assembly process of the packaging box, the node module is arranged in the inner layer structure in the installation process of the inner layer structure of the packaging box, and the node module is fixed according to the matching relation between the antenna and the inner layer structure.
The installation positions of the sensors are completely separated from the monitoring node modules through the inner layer structure and the middle layer structure, if a certain sensor is damaged, the sensor can be directly replaced without changing other sensors or node modules and the like.
The waterproof packaging box is characterized in that wire holes and power line guide holes in the inner layer structure and the middle layer structure of the packaging box are completely staggered, and sealing materials such as epoxy resin pouring sealant and hot melt adhesive are filled in the middle of the wire holes and the power line guide holes, and the guide holes can be sealed through the hot melt adhesive.
Compared with the traditional packaging box structure, the invention does not influence the monitoring of the sensor on the environmental data, can realize the waterproof and dustproof protection on the node module, and prolongs the service life of the node module; the packaging box has simple structure, simple and convenient manufacture and easy assembly; the integrated packaging of the multiple sensors can be realized, and the sensors are easy to replace after being damaged; the transparent acrylic plate material is used, so that the nodes of the sensors can be directly observed, and the working conditions of the node modules can be directly known through the change of the indicating lamps of the sensors and the node modules; the assembling process of the packaging box is consistent with the installing process of the sensor node, and the fact that the packaging box is assembled completely means that the installation of the whole sensor node system is completed.
Drawings
FIG. 1 is an overall block diagram of the present invention;
(1) a packaging box main body; (2) fixing the bolt; (3) packaging the box cover; (4) fixing a nut;
FIG. 2 is a view showing the structure of the main body of the enclosure of the present invention;
(5) a bottom right support; (6) an outer right wall; (7) a vent hole; (8) the middle layer right wall; (9) a sensor fixing hole; (10) a middle layer wire guide hole; (11) packaging box fixing holes; (12) an inner right wall; (13) the packaging box is connected with the rear wing; (14) an antenna guide hole; (15) an outer rear wall; (16) an inner front wall; an inner layer left wall (17), a middle layer left wall (18), a PM2.5 sensor fixing block (19), middle layer front walls (20) and (21) an outer layer left wall; (22) a middle layer power line guide hole; (23) the packaging box is connected with the front wing; (24) an outer front wall; (25) a bottom left support; (26) a lower wall;
FIG. 3 is a diagram of the inner layer structure of the present invention;
(27) an inner layer wire guide hole; (28) an outer power line guide hole; (29) an inner power line guide hole;
FIG. 4 is a diagram of the outer layer structure of the present invention;
FIG. 5 is a sensor mounting diagram of the present invention;
(A) a CO sensor; (B) a smoke gas sensor; (C) a temperature and humidity sensor; (D) a PM2.5 sensor; (E) a shock sensor; (F) an SO2 sensor;
Detailed Description
As shown in fig. 1-4, the structure of the enclosure mainly comprises: the packaging box comprises a packaging box cover 3, a fixing bolt 2, a fixing nut 4, a bottom right support 5, an outer right wall 6, a vent hole 7, a middle right wall 8, a sensor fixing hole 9, a middle wire hole 10, a packaging box fixing hole 11, an inner right wall 12, a packaging box connecting rear wing 13, an antenna guide hole 14, an outer rear wall 15, an inner front wall 16, an inner left wall 17, a middle left wall 18, a PM2.5 sensor fixing block 19, a middle front wall 20, an outer left wall 21, a middle power wire guide hole 22, a packaging box connecting front wing 23, an outer front wall 24, a bottom left support 25, a lower wall 26, an inner wire hole 27, an outer power wire guide hole 28 and an inner power wire guide hole 29.
The transparent acrylic plate material is adopted to separately cut and manufacture each part of the packaging box structure, the same part can be simultaneously manufactured in large quantity, and uniform assembly is carried out after all parts are manufactured.
The assembly scheme is as follows:
the assembly of each part structure of the packaging box is adhered by acrylic glue. As shown in fig. 3, the lower wall 25 of the package box is first adhered to the bottom right support 5 and the bottom left support 25 respectively by acrylic glue, then the outer rear wall 15 is adhered to the lower wall edge, the antenna connector of the node module is aligned with the antenna guide hole 14 on the outer rear wall 15, then the inner left wall 17, the inner right wall 12 and the inner front wall 16 are adhered to the outer rear wall 15 and the lower wall 25 respectively, and the node module is limited in the inner structure due to the antenna connector and the inner structure. At the same time, the data lines connecting the node modules and the sensors are led out through the wire guides 22 under the walls of the inner layer, in preparation for later guiding the data lines to the sensors. The power plug and the USB port of the battery pack are connected to the node module located within the inner structure through the inner power line guide hole 29, respectively.
As shown in fig. 5, after the installation of the inner layer structure is completed, the sensors are first installed on the walls of the corresponding middle layer respectively in a bolt-nut connection manner, specifically: the CO sensor A and the smoke gas-sensitive sensor B are connected and arranged on the middle right wall 8 through fixing bolts and nuts, the SO2 sensor F is connected and arranged on the middle front wall 20 through fixing bolts and nuts, the temperature and humidity sensor C is connected and arranged on the middle left wall 18 through fixing bolts and nuts, the PM2.5 sensor D is arranged on the left side inside the packaging box through a fixing block 19, and the vibration sensor E is arranged outside the packaging box through an inner layer wire hole 27, a middle layer wire hole 10 and an outer layer power line guide hole 28 respectively; as shown in fig. 4, the middle left wall 18, the middle right wall 8, and the middle front wall 20 of the tape sensor are then respectively adhered to the outer rear wall 15 and the lower wall 25. Then, the data line led out from the middle wire hole 22 is connected with each corresponding sensor through the middle wire hole 10, the power line of the battery box is connected to the battery box through the middle power line guide hole 22, and the USB line is led out to the outside of the packaging box through the middle power line guide hole 22 and the outer power line guide hole 28 respectively to be connected with a 5V power supply plug.
As shown in fig. 2, the outer layer left wall 21, the outer layer right wall 6 and the outer layer front wall 24 are respectively adhered to the outer layer rear wall 15 and the lower wall 25, and then the enclosure coupling front wing 23 and the enclosure coupling rear wing 13 are respectively adhered to the outer layer front wall 24 and the outer layer rear wall 15. Then, the battery box is placed at the left front part in the packaging box and is fixed by the position relation of the middle layer front wall 20, the outer layer left wall 21 and the outer layer front wall 24;
finally, as shown in fig. 1, the enclosure cover 3 is connected with the enclosure body 1 through the fixing bolt 2 and the fixing nut 4. And at this moment, the assembly of the packaging box is completed, namely the assembly of the sensor node system is completed.