CN208109093U - It is a kind of can Underwater Navigation automatic detection device - Google Patents

Abstract

The utility model discloses an automatic detection device capable of underwater positioning, which comprises an outer shell, an inner shell, a working part and a sensing part. The outer shell and the inner shell are both cylindrical, and the outer shell and the inner shell cooperate Nesting and sliding, a working part is installed in the middle of the inner shell, and a sensing part is provided on the bottom of the inner shell. The processor, radio frequency board and antenna assembly, the push rod is fixed at the bottom of the piston, and the linear driver is provided with a transmission screw, which is connected to the push rod. When the linear driver drives the transmission screw to move upward with the push rod, the piston is kept away from the inner casing; A linear drive drives the drive screw down with the push rod, bringing the piston closer to the inner housing. The device uses a linear drive to cooperate with the reciprocating motion of the piston, so that the inner and outer shells slide up and down to achieve volume changes, thereby changing the buoyancy it receives, and climbing or diving or suspending at a certain depth underwater.

Description

An automatic detection device capable of underwater positioning

technical field

The utility model relates to the technical field of marine detection, in particular to an automatic detection device capable of underwater positioning.

Background technique

The ocean has been closely related to human production, life and military activities since ancient times. As an important part of marine research, marine survey plays a very important role in safeguarding marine rights and interests, developing marine resources, early warning of marine disasters, protecting marine environment, strengthening national defense construction, and seeking new development space.

The purpose of marine observation is mainly to observe the environmental information of the ocean. Therefore, long-term, high-precision ocean monitoring to obtain a large amount of ocean information is of great significance to the development of the ocean industry.

However, the detection of the ever-changing marine environment requires synchronous sampling at multiple locations. For the vast sea surface, strong pressure, corrosiveness, and water opacity, especially for dynamic sampling of complex nonlinear dynamics in small and medium-sized areas, it is difficult. It is very difficult or even impossible to detect these spatiotemporal changes in physicochemical dynamics in three dimensions with conventional mooring analysis or remote sensing devices.

Therefore, it is necessary to design an intelligent miniature, flexible sampling, underwater automatic detection device that can be positioned at any time and can control floating or diving.

Utility model content

In view of this, the utility model provides an automatic detection device capable of underwater positioning, which solves the problems that the existing underwater detection device is bulky, or common buoys cannot control floating or diving.

The technical means adopted by the utility model are as follows: an automatic detection device capable of underwater positioning, including an outer shell, an inner shell, a working part and a sensing part, the outer shell and the inner shell are both cylindrical, the outer shell and the The inner shell slides with nesting, one end of the inner shell is open, the working part is installed in the middle of the inner shell, the bottom surface of the inner shell is provided with a sensing part, the working part includes a lower bracket and an upper bracket, and a battery pack and a battery are installed on the lower bracket. A linear driver, a piston, a processor, a radio frequency board and an antenna assembly are arranged on the upper bracket, the battery pack, the linear driver, a processor, a radio frequency board and an antenna assembly are electrically connected, the push rod is fixed at the bottom of the piston, and the linear driver is set There is a transmission screw, and the transmission screw and the push rod are connected through threads. When the linear driver drives the transmission screw to move upward with the push rod, the piston is kept away from the inner casing that fixes the lower bracket, and the outer casing and the inner casing slide oppositely; when the linear driver drives The transmission screw rod moves downward with the push rod, so that the piston is close to the inner housing of the fixed lower bracket, and the outer housing and the inner housing slide towards each other.

Preferably, the bottom of the lower bracket is provided with a protrusion fixed with the inner casing.

Preferably, an antenna case is arranged on the top of the outer case, and an antenna assembly is covered inside the antenna case.

Preferably, the antenna assembly includes a GPS module, a Beidou positioning system, a radio frequency light and an LED flash light.

Preferably, a first waterproof gasket is provided on the inner side of the outer casing close to the edge of the antenna casing, and a second waterproof gasket is provided on the outer side of the inner casing near the edge of the sensing part.

Preferably, both the outer shell and the inner shell are made of polyoxymethylene hard plastic.

The utility model adopts an automatic detection device that can be positioned underwater, and the inner and outer shells slide up and down through the linear drive and the piston reciprocating motion, so as to realize the change of its own volume and thus change the buoyancy it receives in seawater, thereby Climb or dive or suspend at a certain depth underwater to further achieve the research purpose of flexible and comprehensive sampling.

Furthermore, the device not only has good positioning and operation capabilities, but also has a simple structure, strong operation automation, positioning accuracy and positioning adjustment capabilities, thereby effectively meeting the needs of stable operation in complex marine environments.

Description of drawings

Fig. 1 is the explosion schematic diagram of a kind of underwater positioning automatic detection device of the present invention;

Fig. 2 is a closed schematic view of an underwater positioning automatic detection device of the present invention;

FIG. 3 is a schematic diagram of the transmission part of the linear driver 23 of the present invention.

Detailed ways

The principles and features of the present utility model are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the utility model, and are not used to limit the scope of the utility model.

Embodiment 1, as shown in Fig. 1-Fig. 3, an automatic detection device capable of underwater positioning, comprising a cylindrical outer casing 1, a cylindrical inner casing 3 cooperating with it and sliding, a working part 2 and a sensing part 4, the inner One end of the housing 3 is open, the middle of the inner housing 3 is provided with a working part 2, the bottom surface of the inner housing 3 is provided with a sensing part 4, the top of the outer housing 1 is provided with a transparent antenna shell 11, and the working part 2 includes a lower bracket 21 and an upper Support 29, lower support 21 is provided with battery pack 22 and linear driver 23, and upper support 29 is provided with piston 24, processor 25, radio frequency board 26 and antenna assembly 27, battery pack 22, linear drive 23, processor 25, The radio frequency board 26 and the antenna assembly 27 are electrically connected, the piston 24 is fixed with a push rod 241, the linear driver 23 is provided with a transmission screw 231, and the transmission screw 231 and the push rod 241 are connected by threads, and the linear driver 23 is also provided with a measuring rotor. number of encoders 232, when the remote control sends a control signal, the processor controls the linear driver 23 to open the first switch, the linear driver 23 drives the transmission screw 231 to move upward with the push rod 241, so that the piston is away from the fixed lower bracket under the driving force The inner shell of 21, the outer shell 1 and the inner shell 3 slide oppositely, the volume of the inner cavity becomes larger, and the detection device performs upward movement; similarly, when the linear driver 23 turns on the second switch, the linear driver 23 drives the transmission screw 231 to bring The push rod 241 moves upwards, so that the piston approaches the inner casing of the fixed lower bracket 21 under the driving force, the outer casing 1 and the inner casing 3 slide towards each other, the volume of the inner cavity becomes smaller, and the detection device performs a submerged movement; The device can be converted into kinetic energy to control the floating or diving. The bottom of the lower bracket 21 is provided with a protrusion 28 fixed with the inner casing 3; the antenna assembly 27 includes a GPS module, a Beidou positioning system, a radio frequency lamp and an LED flashlight, and the antenna assembly 27 is located in the antenna casing 11 for communicating with the The surface buoy communicates and the probe communicates with satellites when it is on the surface of the ocean, and it is equipped with radio frequency lights and LED flashing lights to facilitate its retrieval.

Sensing part 4 comprises hydrophone 41, pressure sensor 42, temperature sensor 43 and depth sensor (not marked), and hydrophone 41 is mainly used for detecting ocean sound wave, and pressure sensor 42 is used for detecting water pressure, and temperature sensor 43 is useful. It is used to detect water temperature, and to detect marine environmental parameters such as ocean current and sea depth through sound waves, pressure and temperature.

Both the outer shell 1 and the inner shell 3 are made of polyoxymethylene hard plastic, which is small in size, good in sealing performance, and flexible and convenient to use.

When the remote control sends out a radio frequency control signal, the antenna component receives and transmits it to the processor, and the processor makes relevant instructions to control the transmission screw of the linear driver to drive the push rod and the piston to achieve reciprocating motion. In addition, the sensing part detects a corresponding environmental signal, and after the signal is processed by the processor, the radio frequency signal is sent out by using the antenna assembly. At the same time, when the experiment is completed, the detection device will be positioned and recovered through the GPS function. When the device is used in practice, multiple underwater buoys and multiple water tethered buoy groups are required to cooperate to form a system.

Embodiment 2: The difference between Embodiment 2 and Embodiment 1 is that a first waterproof gasket ring 12 is provided on the inner side of the outer shell 1 close to the edge of the antenna shell, and a first waterproof gasket ring 12 is provided on the outer side of the inner shell 3 near the edge of the sensing part 4. The second waterproof gasket ring 31, so as to realize the sealing and sliding of the outer casing 1 and the inner casing 3, similar to the dynamic sealing between the syringe and the push rod.

In another embodiment, the sensing part 4 further includes a water quality detection probe, which can detect the content of heavy metal ions in the water, the pH value and the like.

To sum up, using the underwater positioning automatic detection device provided by the utility model, the inner and outer shells slide up and down through the linear drive and the reciprocating motion of the piston, so as to realize the change of its own volume and thus change its position in seawater. Affected by the buoyancy, the device can climb or dive or be suspended at a certain depth underwater.

Furthermore, the device not only has good positioning and operation capabilities, but also has a simple structure, strong operation automation, positioning accuracy and positioning adjustment capabilities, thereby effectively meeting the needs of stable operation in complex marine environments.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. within the spirit and principles of the present utility model shall include Within the protection scope of the utility model.

Claims (8)

1. An underwater positioning automatic detection device is characterized in that: it comprises an outer shell, an inner shell, a working part and a sensing part, the outer shell and the inner shell are cylindrical, and the outer shell and the inner shell The shell is nested and slides, one end of the inner shell is open, a working part is installed in the middle of the inner shell, a sensing part is provided on the bottom of the inner shell, the working part includes a lower bracket and an upper bracket, and a battery pack and a linear sensor are installed on the lower bracket. The driver, the piston, processor, radio frequency board and antenna assembly are arranged on the upper bracket, the battery pack, linear driver, processor, radio frequency board and antenna assembly are electrically connected, the push rod is fixed at the bottom of the piston, and the linear driver is provided with The transmission screw, the transmission screw and the push rod are connected. When the linear driver drives the transmission screw to move upward with the push rod, the piston is away from the inner shell of the fixed lower bracket, and the outer shell and the inner shell slide oppositely; As the push rod moves downward, the piston is close to the inner housing of the fixed lower bracket, and the outer housing and the inner housing slide towards each other. 2. An underwater positioning automatic detection device according to claim 1, characterized in that: the bottom of the lower bracket is provided with a protrusion fixed with the inner casing. 3. An underwater positioning automatic detection device according to claim 1, characterized in that: the top of the outer shell is provided with a transparent antenna shell, and the antenna shell is covered with an antenna assembly. 4 . The underwater positioning automatic detection device according to claim 1 , wherein the sensing part includes a hydrophone, a pressure sensor, a temperature sensor and a depth sensor. 5 . An underwater positioning automatic detection device according to claim 3 , wherein the antenna assembly includes a GPS module, a Beidou positioning system, a radio frequency light and an LED flash light. 6. An underwater positioning automatic detection device according to claim 1, characterized in that: a first waterproof gasket is provided on the inner side of the outer shell close to the edge of the antenna shell, and the outer side of the inner shell is close to the sensor. A second waterproof gasket is provided on one side edge of the sensing part. 7. An underwater positioning automatic detection device according to claim 1, characterized in that: said linear drive is also provided with an encoder for measuring the number of revolutions. 8. An underwater positioning automatic detection device according to any one of claims 1-7, characterized in that: both the outer casing and the inner casing are made of polyoxymethylene hard plastic.