Marine electronic clinometer based on MEMS sensor

Abstract

The utility model discloses a marine electronic clinometer based on an MEMS (Micro Electro Mechanical System) sensor, which comprises a base fixing hole, a top cover, a status lamp, a top cover fixing hole, a base, a signal and power supply cable hole and a signal acquisition and processing integrated plate, the top cover is fixedly and hermetically connected with the base through the four top cover fixing holes; the base comprises four base fixing holes, an MEMS sensor tight connection platform, four top cover fastening threaded holes, four signal acquisition and processing integrated plate fastening threaded holes and a signal and power cable fastener. According to the utility model, the technology is simple and convenient, rapid installation and positioning can be realized, the loosening phenomenon is not easy to occur, and the stability is high; the base is compact and simple in structure, uniform heat dissipation of the temperature of the MEMS sensor and the signal acquisition and processing integrated board can be achieved, and data output by the electronic clinometer in a complex temperature change environment is not affected by special environments such as environment temperature and vibration.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of electronic inclinometer tool technical field, specifically a kind of marine electronic inclinometer based on MEMS sensor. BACKGROUND

[0002] Electronic inclinometer is the inertial navigation system of various ships and underwater vehicles, to measure the roll angle (roll), period and pitch angle information in real time high reliability, provide safety warning information for ship navigation. Its name is derived from the design core is a sensor that measures roll angle, and roll angle is the core input information of ship safety navigation and attitude control. MEMS sensor, as a kind of inertial measuring device, has the advantages of autonomous measurement, strong anti-interference and secrecy, etc. It is the core component of inertial navigation, inertial guidance and inertial measurement system, and is widely used in military and civilian fields.

[0003] Electronic inclinometer is based on MEMS gyroscope and acceleration principle, using strapdown inertial navigation algorithm and complementary filtering algorithm, to realize the roll angle (roll), period and pitch angle information of ship and other carriers in complex sea conditions. This part of information is an important means of attitude monitoring when ship body is impacted by sea waves or impact during automatic driving of ship, to ensure the safety of ship navigation.

[0004] Traditional inclinometer can only measure the roll angle in static state, and cannot measure the period and pitch angle. The existing electronic inclinometer structure has the problems of complex design, large size, multiple production processes and high cost. At the same time, there are problems of power supply, signal acquisition and processing system due to overheating of MEMS sensor, which leads to reduction of measurement accuracy. Therefore, it is urgent to develop a marine electronic inclinometer based on MEMS sensor to solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of marine electronic inclinometer based on MEMS sensor to solve the problems raised in the above background technology.

[0006] To achieve the above purpose, the utility model provides the following technical scheme:

[0007] A kind of marine electronic inclinometer based on MEMS sensor, including: base fixed hole, top cover, state light, top cover fixed hole, base, signal and power cable hole, signal acquisition and processing integrated board, four base fixed holes and four top cover fixed holes are set up on base, top cover is fixedly and sealingly connected with base by four top cover fixed holes;

[0008] The base includes: four base fixing holes, a MEMS sensor tight connection platform, four top cover fastening threaded holes, four signal acquisition and processing integrated board fastening threaded holes, and signal and power cable fasteners. The MEMS sensor tight connection platform is tightly connected to the base. The four top cover fastening threaded holes are symmetrically distributed on both sides of the outer periphery of the electronic inclinometer housing. The four signal acquisition and processing integrated board fastening threaded holes are distributed around the inner periphery of the base. The signal and power cable fasteners are distributed inside the symmetrical sides of the MEMS sensor tight connection platform and are fastened to the base with two screws.

[0009] As a further embodiment of this utility model: the integrated signal acquisition and processing board includes threaded holes and sockets. The four threaded holes are evenly distributed at the four corners of the integrated signal acquisition and processing board, and the sockets are distributed on one side of the integrated signal acquisition and processing board.

[0010] As a further embodiment of this utility model: four mounting holes are symmetrically distributed on both sides of the top cover, which are directly fixed to the base by screws. At the same time, the top cover adopts an integrated artificial aesthetic design to ensure a tight connection between the top cover and the base.

[0011] As a further improvement of this utility model: the integrated signal acquisition and processing board is equipped with a MEMS sensor, a power supply and a signal processing system, and a base.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. The process is simple, enabling rapid installation and positioning, and it is not prone to loosening, resulting in high stability;

[0014] 2. The base structure is compact and simple, and at the same time, it can achieve uniform heat dissipation of the MEMS sensor and signal acquisition and processing integrated board, so that the output data of the electronic inclinometer is not affected by special environments such as ambient temperature and vibration in complex temperature change environments. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a marine electronic inclinometer based on MEMS sensors.

[0016] Figure 2 This is a schematic diagram of the base structure in a marine electronic inclinometer based on MEMS sensors.

[0017] Figure 3 This is a schematic diagram of the integrated signal acquisition and processing board in a marine electronic inclinometer based on MEMS sensors.

[0018] Figure 4 This is a schematic diagram of the top cover of a marine electronic inclinometer based on MEMS sensors.

[0019] In the diagram: 1-base mounting hole, 2-top cover, 3-status light, 3-1-top cover mounting through hole, 4-top cover mounting hole, 5-base, 5-1-MEMS sensor tight connection platform, 5-2-top cover fastening threaded hole, 5-3-signal acquisition and processing integrated board fastening threaded hole, 5-4-signal and power cable fastener, 6-signal and power cable hole, 7-signal acquisition and processing integrated board, 7-1-threaded hole, 7-2-socket. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] like Figure 1 As shown, this specific embodiment adopts the following technical solution: including: base fixing hole 1, top cover 2, status light 3, top cover fixing hole 4, base 5, signal and power cable hole 6, and signal acquisition and processing integrated board 7. The base 5 has four base fixing holes 1 and four top cover fixing holes 4. The top cover 2 is fixedly and sealed to the base 5 through the four top cover fixing holes 4. The power supply and signal output of the electronic inclinometer are realized through the signal and power cable hole 6. The internal signal status of the electronic inclinometer is displayed by the status indicator light 3. The design of the top cover 2 is simple and highly stable.

[0023] like Figure 2 As shown, the base 5 includes: four base fixing holes 1, a MEMS sensor tight connection platform 5-1, four top cover fastening threaded holes 5-2, four signal acquisition and processing integrated board fastening threaded holes 5-3, and signal and power cable fasteners 5-4. The MEMS sensor tight connection platform 5-1 is tightly connected to the base 5, which can dissipate all the heat from the MEMS sensor and the signal acquisition and processing integrated board 7 into the hull through the base 5, ensuring the accuracy and stability of the electronic inclinometer within the full temperature operating range. The four top cover fastening threaded holes 5-2 are symmetrically distributed on both sides of the outer periphery of the electronic inclinometer housing, completely isolating the acquisition and processing integrated board 7 from the external environment. The four signal acquisition and processing integrated board fastening threaded holes 5-3 are distributed around the inner periphery of the base 5, and can be fastened with threads. The signal and power cable fasteners 5-4 are distributed inside the symmetrical sides of the MEMS sensor tight connection platform 5-1, and are fastened to the base 5 with two screws to ensure the stability and reliability of the signal and power cables.

[0024] As Figure 3 shown, the signal acquisition and processing integrated board 7 includes threaded holes 7-1 and sockets 7-2, the four threaded holes 7-1 are uniformly distributed in the four corners of the signal acquisition and processing integrated board 7, and the sockets 7-2 are distributed on one side of the signal acquisition and processing integrated board 7.

[0025] As Figure 4 shown, the top cover 2 is symmetrically distributed with four top cover mounting through holes 3-1 on both sides, and is fixedly connected with the base 5 through screws, and the top cover 2 adopts an integrated artificial beautification design to ensure that the top cover 2 is tightly connected with the base 5.

[0026] Further, the base 5 has a heat dissipation function of the signal acquisition and processing integrated board 7.

[0027] Further, the signal acquisition and processing integrated board 7 integrally installs a MEMS sensor, a power supply and a signal processing system, and the base 5.

[0028] Further, the power supply cable and the signal cable of the entire electronic tiltmeter are integrated, and are sealed and riveted with the shell of the electronic tiltmeter.

[0029] The working principle of the specific embodiment is as follows: in use, the whole is fixed at any position of the ship body through the base fixing hole 1, and can prevent loosening after fastening, after installation, the signal and power cable is connected to the corresponding power supply end and signal display of the ship through the signal and power cable hole 6, after checking that there is no obstacle around, the electronic tiltmeter is powered on, and the output data is checked on the display screen. Finally, during the process of shaking or sailing the ship, the current state of the ship and the output data state of the electronic tiltmeter are further checked, and the installation and starting process are completed after determining that there is no error, and the subsequent ship can work normally.

[0030] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model.

[0031] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A marine electronic tiltmeter based on a MEMS sensor, characterized in that, It includes: Base fixed hole (1), top cover (2), status light (3), top cover fixed hole (4), base (5), signal and power cable hole (6), signal acquisition and processing integrated board (7), four base fixed holes (1) and four top cover fixed holes (4) are set on the base (5), the top cover (2) is fixed and sealed with the base (5) through the four top cover fixed holes (4); The base (5) comprises: four base fixed holes (1), a MEMS sensor close connection platform (5-1), four top cover fastening screw holes (5-2), four signal acquisition and processing integrated board fastening screw holes (5-3), and a signal and power cable fastener (5-4). The MEMS sensor close connection platform (5-1) is closely connected with the base (5). The four top cover fastening screw holes (5-2) are symmetrically distributed on the two sides of the outer periphery of the electronic tiltmeter shell. The four signal acquisition and processing integrated board fastening screw holes (5-3) are distributed around the inner side of the base (5). The signal and power cable fastener (5-4) is distributed inside the symmetric side of the MEMS sensor close connection platform (5-1) and is fastened on the base (5) by two screws.

2. The MEMS sensor-based electronic tiltmeter for marine use according to claim 1, characterized in that, The signal acquisition and processing integrated board (7) comprises screw holes (7-1) and sockets (7-2). The four screw holes (7-1) are evenly distributed in the four corners of the signal acquisition and processing integrated board (7). The sockets (7-2) are distributed on one side of the signal acquisition and processing integrated board (7).

3. The MEMS sensor-based electronic tiltmeter for marine use according to claim 1, characterized in that, The top cover (2) is symmetrically distributed with four top cover mounting through holes (3-1) on both sides. It is directly fixed and connected with the base (5) by screws. At the same time, the top cover (2) adopts an integrated artificial beautification design to ensure the close connection between the top cover (2) and the base (5).

4. The MEMS sensor-based electronic tiltmeter for marine use according to claim 2, characterized in that, The signal acquisition and processing integrated board (7) integrally installs a MEMS sensor, a power supply and a signal processing system on the base (5).

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