CN216650006U

CN216650006U - Wireless sensor network device with adjustable detection angle

Info

Publication number: CN216650006U
Application number: CN202122747245.9U
Authority: CN
Inventors: 吴瑜鹏
Original assignee: Nanchang Normal University
Current assignee: Nanchang Normal University
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-05-31
Anticipated expiration: 2031-11-10

Abstract

The utility model discloses a wireless sensor network device with adjustable detection angle, which comprises a base, a driving mechanism fixedly arranged on the base and a wireless sensor body rotationally connected with the driving mechanism, wherein the base comprises a base and a shell arranged on the base, one end of the shell, close to the wireless sensor body, protrudes outwards to form a hemispherical boss, the wireless sensor body is recessed inwards to form a groove matched with the boss, the wireless sensor body and the shell realize relative rotation through the matching of the boss and the groove, the driving mechanism comprises a driving motor and a rotating shaft, the driving motor is arranged on the base, one end of the rotating shaft is connected with an output shaft of the driving motor, and the other end of the rotating shaft is connected with the wireless sensor body, so that when the driving mechanism drives the rotating shaft to rotate, the rotating shaft drives the wireless sensor body to rotate around the shell. The utility model solves the problem that the accuracy of the wireless sensor is too low due to the fixed acquisition angle of the wireless sensor network device in the prior art.

Description

Wireless sensor network device with adjustable detection angle

Technical Field

The utility model relates to the technical field of wireless transmission equipment, in particular to a wireless sensor network device with adjustable detection angle.

Background

A Wireless Sensor Network (WSN) is a distributed sensing network whose distal end is a Sensor that can sense and inspect the outside world. The sensors in the WSN are mainly communicated in a wireless mode, so that the network is flexibly set, the position of equipment can be changed at any time, and the WSN is a revolution for information sensing and acquisition.

Generally, the components of the wireless sensor are packaged in a shell, when the wireless sensor works, a battery or a vibration generator provides power to form a wireless sensor network node, the wireless sensor network node can acquire digital signals of equipment and transmit the digital signals to a wireless gateway of a monitoring center through the wireless sensor network, the digital signals are directly transmitted to a computer to be analyzed and processed, and the wireless sensor can also transmit acquired whole time history signals in real time.

In the prior art, in the using process of the wireless sensor, the angle or the position of an antenna of the wireless sensor cannot be adjusted, the signal transmission effect of the wireless sensor is influenced, and the accuracy of the wireless sensor is too low.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a wireless sensor network device with adjustable detection angle, and aims to solve the problem of the prior art that the accuracy of a wireless sensor is too low due to the fixed acquisition angle of the wireless sensor network device.

The utility model provides a wireless sensor network device with adjustable detection angle, which comprises a base, a driving mechanism fixedly arranged on the base and a wireless sensor body rotationally connected with the driving mechanism, wherein the base comprises a base and a shell arranged on the base, one end of the shell, which is close to the wireless sensor body, protrudes outwards to form a hemispherical boss, the wireless sensor body is recessed inwards to form a groove matched with the boss, the wireless sensor body and the shell are matched with the groove through the boss to realize relative rotation, the driving mechanism comprises a driving motor arranged on the base and a rotating shaft, one end of the rotating shaft is connected with an output shaft of the driving motor, the other end of the rotating shaft is connected with the wireless sensor body, so that when the driving mechanism drives the rotating shaft to rotate, the rotating shaft drives the wireless sensor body to rotate around the shell.

Above-mentioned detect wireless sensor network device of angularly adjustable, through set up actuating mechanism drive wireless sensor body motion on the base, set up the boss on one of them of wireless sensor body and shell, set up the recess on another, so that wireless sensor body and shell can rotate relatively, when using, actuating mechanism drive pivot drives wireless sensor body and rotates around the shell, thereby guarantee that wireless sensor body has multiple collection angle, the problem that wireless sensor network device among the prior art leads to wireless sensor's precision to hang down because of gathering the angle fixation is solved.

In addition, the wireless sensor network device with adjustable detection angle provided by the utility model can also have the following additional technical characteristics:

furthermore, be equipped with first gear part on driving motor's the output shaft, be equipped with in the pivot with the second gear part that first gear part corresponds, first gear part with the second gear part passes through chain drive and is connected.

Furthermore, an avoiding channel is formed in the shell, and the chain penetrates through the avoiding channel and is connected with the first gear part and the second gear part respectively.

Further, the wireless sensor body comprises a connecting part and a signal receiving part connected with the connecting part, and the groove is formed in the connecting part.

Furthermore, a circle of balls are arranged between the boss and the groove, a first track is arranged on the boss, a second track is arranged on the inner wall of the groove, and the part of each ball is arranged in the first track and the second track respectively.

Further, the rotating shaft is sleeved with a lantern ring, the lantern ring abuts against the first gear portion, and the rotating shaft and the first gear portion can rotate freely relative to the lantern ring.

Furthermore, a plurality of limiting springs are distributed on the periphery of the lantern ring, one end of each limiting spring is connected with the lantern ring, and the other end of each limiting spring extends downwards in an inclined mode and is connected with the inner wall of the shell.

Further, a protective cover covers the base and is used for covering the driving mechanism.

Drawings

Fig. 1 is a schematic structural diagram of a wireless sensor network device with adjustable detection angle according to a first embodiment of the present invention;

FIG. 2 is a schematic structural view of the protective cover of FIG. 1 without the protective cover;

fig. 3 is a schematic cross-sectional view of a part of a wireless sensor network device with adjustable detection angle according to a first embodiment of the present invention;

fig. 4 is an enlarged view of a portion a in fig. 3.

Description of the main element symbols:

base seat	10	Base seat	11
				Outer casing	12	Boss	121
First rail	1210	Driving motor	20
				First gear part	21	Chain	22
Rotating shaft	30	Groove	31
				Second rail	310	Connecting part	32
Signal receiving part	33	Rotating shaft	40
				Second gear part	41	Ball bearing	50
Lantern ring	60	Limit spring	61
				Protective cover	70

The following detailed description will further illustrate the utility model in conjunction with the above-described figures.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, a wireless sensor network device with adjustable detection angle according to an embodiment of the present invention is shown, and the wireless sensor network device with adjustable detection angle includes a base 10, a driving mechanism fixed on the base 10, and a wireless sensor body 30 rotationally connected to the driving mechanism, wherein:

the base 10 includes a base 11 and a housing 12 disposed on the base 11, the driving mechanism includes a driving motor 20 and a rotating shaft 40 disposed on the base 11, the rotating shaft 40 penetrates through the housing 12, one end of the rotating shaft is connected to the wireless sensor body 30, and the other end of the rotating shaft is connected to the driving motor 20.

Specifically, one end of the housing 12 close to the wireless sensor body 30 protrudes outwards to form a hemispherical boss 121, a groove 31 matched with the boss 121 is formed in the wireless sensor body 30, and the wireless sensor body 30 and the housing 12 are matched with each other through the boss 121 and the groove 31 to realize relative rotation.

It should be noted that, one end of the rotating shaft 40 is connected to the wireless sensor body 30, and the other end of the rotating shaft 40 is connected to the housing 12 through the matching between the boss 121 and the groove 31, so that when the driving mechanism drives the rotating shaft 40 to rotate, the rotating shaft 40 drives the wireless sensor body 30 to rotate around the housing 12.

It should be further noted that, by providing the convex boss 121 and the concave groove 31 to realize relative rotation, while ensuring that the wireless sensor body 30 can rotate relative to the housing 12, on the other hand, foreign matters, such as rain water or dust, can be prevented from entering the interior of the housing 12 through the gap between the housing 12 and the wireless sensor body 30.

It can be understood, through set up actuating mechanism drive wireless sensor body 30 motion on base 11, set up boss 121 on one of them of wireless sensor body 30 and shell 12, set up recess 31 on another, so that wireless sensor body 30 and shell 12 can rotate relatively, when using, actuating mechanism drive pivot 40 drives wireless sensor body 30 and rotates around shell 12, thereby guarantee that wireless sensor body 30 has multiple collection angle, the problem that wireless sensor network device leads to wireless sensor's precision to hang down because of gathering the angle fixation is solved.

Further, in order to increase the smoothness of the relative rotation between the housing 12 and the wireless sensor body 30, as shown in fig. 3, a circle of balls 50 is disposed between the boss 121 and the groove 31, the boss 121 is engaged with the groove 31 through the balls 50, specifically, a first rail 1210 is disposed on the boss 121, a second rail 310 is disposed on the inner wall of the groove 31, a part of each ball 50 is disposed on the first rail 1210, and another part is disposed on the second rail 310, so that the wireless sensor body 30 rotates relative to the housing 12 through the balls 50.

Furthermore, the wireless sensor body 30 includes a connecting portion 32 for connecting with the housing 12 and a signal receiving portion 33 disposed on the connecting portion, in specific implementation, the signal receiving portion 33 is in a shape of a pot cover to increase a signal receiving range, and the groove 331 is disposed on the connecting portion 32, it can be understood that by disposing the connecting portion 32, a connection carrier is provided for the wireless sensor body 30 and the housing 12, and it is avoided that the groove 31 is directly disposed on the signal receiving portion 33 for receiving and processing signals.

In addition, in this embodiment, the signal receiving unit 33 at least includes a wireless sensor module, the wireless sensor module is in communication connection with a corresponding server to realize data transmission, and the wireless sensor module and a gateway in the server perform authentication through a specific security protocol, and only after the authentication is successful, data transmission is performed, thereby improving the communication security of the wireless sensor network device.

By way of example and not limitation, in this embodiment, a first gear portion 21 is disposed on an output shaft of the driving motor 20, a second gear portion 41 corresponding to the first gear portion 21 is disposed on the rotating shaft 40, the first gear portion 21 and the second gear portion 41 are in transmission connection through a chain 22, the first gear portion 21 drives the second gear portion 41 through the chain 22 to rotate the rotating shaft 40, in a specific implementation, in order to connect the chain 22 with the first gear portion 21 in the housing 12, a bypass channel (not shown) is disposed on the housing 12, and the chain 22 is inserted into the bypass channel and connected with the second gear portion 41.

It can be understood that, through setting up first gear portion 21 and second gear portion 41 to through setting up the mode that chain 22 will be connected first gear portion 21 and second gear portion 41 transmission, can guarantee that driving motor 20 and pivot 40 separately arrange, avoid the vibrations direct transfer of driving motor 20 during operation to pivot 40, be favorable to avoiding promoting the detection effect of wireless sensor network body.

In addition, a collar 60 is sleeved on the rotating shaft 40, a plurality of limiting springs 61 are distributed on the periphery of the collar 60, one end of each limiting spring 61 is connected with the collar 60, the other end of each limiting spring 61 extends downwards in an inclined manner and is connected with the inner wall of the shell 12, the collar 60 abuts against the first gear part 21, the rotating shaft 40 and the second gear part 41 can freely rotate relative to the collar 60, in normal operation, the limiting spring 61 is in a natural or stretched state, so as to be able to limit the upward movement of the rotating shaft 40, and under the action of the self gravity of the wireless sensor body 30 and the auxiliary traction force of the limiting spring 61, the wireless sensor body 30 can be tightly contacted with the shell 12, so that the stable rotation between the wireless sensor body 30 and the shell 12 can be ensured, and this arrangement can ensure the suspension of the rotating shaft 40, so as to reduce the vibration transmission of the driving motor 20 during operation, meanwhile, the wireless sensor body 30 can be ensured to stably rotate on the shell 12 under the action of the limiting spring 61.

In practical implementation, the contact portions of the collar 60 with the rotating shaft 40 and the second gear portion 41 can be arranged with ball structures, or by ensuring the smoothness of their contact surfaces, to ensure that the rotating shaft 40 and the first gear portion 21 can rotate freely relative to the collar 60.

When this embodiment is implemented specifically, driving motor 20 can be controlled through MCU control chip, is connected with a plurality of function button on the MCU control chip, and a plurality of function button set up on base 11, conveniently control driving motor 20.

In addition, in some optional embodiments of the present invention, the MCU control chip may further be connected to a control terminal of the wireless sensor network device through a wireless connection manner, so as to control the driving motor 20 through the control terminal, wherein the wireless connection manner includes but is not limited to bluetooth connection, WiFi, IF radio frequency, zigbee.

In the present embodiment, a protective cover 70 is covered on the base 11, and the protective cover 70 is used for covering the driving mechanism to prolong the service life of the wireless sensor network device.

In summary, in the wireless sensor network device with an adjustable detection angle in the above embodiments of the present invention, the driving mechanism is disposed on the base 11 to drive the wireless sensor body 30 to move, one of the wireless sensor body 30 and the housing 12 is disposed with the boss 121, and the other is disposed with the groove 31, so that the wireless sensor body 30 and the housing 12 can rotate relatively, when in use, the driving mechanism drives the rotating shaft 40 to drive the wireless sensor body 30 to rotate around the housing 12, thereby ensuring that the wireless sensor body 30 has multiple collection angles, and solving the problem of the wireless sensor network device in the prior art that the accuracy of the wireless sensor is too low due to the fixed collection angle.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A wireless sensor network device with adjustable detection angle is characterized by comprising a base, a driving mechanism fixedly arranged on the base and a wireless sensor body rotationally connected with the driving mechanism, wherein the base comprises a base and a shell arranged on the base, one end of the shell, close to the wireless sensor body, protrudes outwards to form a hemispherical boss, the wireless sensor body is recessed inwards to form a groove matched with the boss, the wireless sensor body and the shell realize relative rotation through the matching of the boss and the groove, the driving mechanism comprises a driving motor and a rotating shaft, the driving motor is arranged on the base, one end of the rotating shaft is connected with an output shaft of the driving motor, the other end of the rotating shaft is connected with the wireless sensor body, so that when the driving mechanism drives the rotating shaft to rotate, the rotating shaft drives the wireless sensor body to rotate around the shell.

2. The wireless sensor network device with adjustable detection angle according to claim 1, wherein a first gear portion is disposed on an output shaft of the driving motor, a second gear portion corresponding to the first gear portion is disposed on the rotation shaft, and the first gear portion and the second gear portion are connected by a chain transmission.

3. The wireless sensor network device with adjustable detection angle according to claim 2, wherein the housing is provided with an avoiding channel, and the chain is inserted into the avoiding channel and is connected to the first gear portion and the second gear portion respectively.

4. The wireless sensor network device with adjustable detection angle according to claim 1, wherein the wireless sensor body comprises a connecting portion and a signal receiving portion connected to the connecting portion, and the groove is disposed on the connecting portion.

5. The wireless sensor network device with adjustable detection angle according to claim 1, wherein a ring of balls is disposed between the boss and the groove, the boss is provided with a first track, the inner wall of the groove is provided with a second track, and a portion of each ball is disposed in the first track and the second track respectively.

6. The wireless sensor network device with the adjustable detection angle according to claim 2, wherein a collar is sleeved on the rotating shaft, the collar abuts against the first gear part, and both the rotating shaft and the first gear part can freely rotate relative to the collar.

7. The wireless sensor network device with the adjustable detection angle as claimed in claim 6, wherein a plurality of limiting springs are distributed on the periphery of the lantern ring, one end of each limiting spring is connected with the lantern ring, and the other end of each limiting spring extends obliquely downwards and is connected with the inner wall of the shell.

8. The wireless sensor network device with adjustable detection angle of claim 1, wherein the base is covered with a protective cover, and the protective cover is used for covering the driving mechanism.