CN108983294B - Electromagnetic release device for submarine seismograph and submarine seismograph - Google Patents

Abstract

The invention relates to the technical field of seismographs, and discloses an electromagnetic release device for a seabed seismograph and a seabed seismograph. The electromagnetic release device for the seabed seismograph comprises: an electromagnetic release device fixed on the seismograph, the electromagnetic release device includes an iron core, a copper coil is provided on one side of the iron core, and a copper coil is provided on the iron core for The copper coil is connected to the watertight joint of the seismograph controller; the armature is fixed on the seismometer module, and the armature is matched and connected with the electromagnetic releaser. The seabed seismograph includes the above-mentioned electromagnetic release device for the seabed seismograph. The electromagnetic releasing device for the seabed seismograph and the seabed seismograph provided by the present invention can release the seismometer module in a short time, so that the seismometer module can be smoothly and better coupled with the seabed plane.

Description

Electromagnetic release device for submarine seismograph and submarine seismograph

technical field

The invention relates to the technical field of seismographs, in particular to an electromagnetic release device for a seabed seismograph and a seabed seismograph.

Background technique

The submarine seismograph is an instrument that needs to work on the seabed. All components need to resist huge seawater pressure and corrosion of seawater. During the sinking process of the seabed seismograph, in order to prevent the seismometer module from being subjected to a huge impact alone, the seismometer module will be released separately after the bottom of the seabed seismograph, so that the seismometer module can be effectively coupled with the seabed plane , and the release mechanism for releasing the seismometer module usually adopts a fuse-type release device, that is, the steel wire used to fix the seismometer module is fused electrochemically, so as to release the seismometer module. The fusing process of the steel wire takes 10-15min, and the release time Long, there is no guarantee that the seismometer module can be smoothly coupled to the seafloor plane.

Contents of the invention

The object of the present invention is to provide an electromagnetic release device for a submarine seismograph and a submarine seismograph, which can release the seismometer module in a short time, so that the seismometer module can be smoothly and better coupled with the seabed plane.

For reaching this purpose, the present invention adopts following technical scheme:

An electromagnetic release device for a submarine seismograph, comprising:

The electromagnetic release device is fixed on the seismograph, and the electromagnetic release device includes an iron core. One side of the iron core is provided with a copper coil, and the iron core is provided with a watertight seal for connecting the copper coil to the seismograph controller. connector;

The armature is fixed on the seismometer module, and the armature is matched with the electromagnetic release device.

As a preferred technical solution, one side of the iron core is provided with an annular groove, the copper coil is placed in the annular groove, and the copper coil is wound on the circular side wall with a small diameter of the annular groove superior.

As a preferred technical solution, epoxy resin glue is filled between the copper coil and the circular side wall with a large diameter of the annular groove.

As a preferred technical solution, the materials of the iron core and the armature are both electrical pure iron.

As a preferred technical solution, the side wall of the iron core is provided with a threaded hole for installing the watertight joint, and a sealing ring is provided at the joint between the watertight joint and the iron core.

As a preferred technical solution, the material of the watertight joint is copper, stainless steel or titanium alloy.

As a preferred technical solution, the thickness of the electromagnetic releaser is 25-40mm.

As a preferred technical solution, the edge of the armature is provided with a plurality of protrusions at intervals, and when the electromagnetic releaser is connected to the armature, the electromagnetic releaser is placed in the space surrounded by the plurality of protrusions and the armature. Inside the space.

As a preferred technical solution, both the iron core and the outer wall of the armature are coated with an anti-corrosion layer.

The present invention also provides a submarine seismograph, including the above-mentioned electromagnetic release device for the submarine seismograph.

Beneficial effects of the present invention: the electromagnetic release device for the seabed seismograph of the present invention is used to release the seismometer module from the seismograph to the seabed plane, and the electromagnetic releaser is used to cooperate with the armature, and the armature can be released when the electromagnetic releaser is powered off. Breaking away from the electromagnetic release device, and then releasing the seismometer module, shortens the release time of the seismometer module, enables the seismometer module to be smoothly and well coupled with the seabed plane, improves the measurement accuracy of the seismometer module, and improves the reliability of the seismometer and the quality of data recording.

Description of drawings

Fig. 1 is the structural representation that the seismometer module described in the embodiment of the present invention is connected with the submarine seismograph;

Fig. 2 is a schematic diagram of the three-dimensional structure of the electromagnetic release device described in the embodiment of the present invention;

Fig. 3 is a sectional view of the electromagnetic release device described in the embodiment of the present invention;

Fig. 4 is a schematic structural diagram of an armature according to an embodiment of the present invention;

Fig. 5 is a schematic diagram of the connection structure between the armature and the seismometer module according to the embodiment of the present invention.

In the picture:

1. Electromagnetic release device; 11. Iron core; 12. Copper coil; 13. Watertight joint; 14. Seal ring; 15. First installation hole;

2. Armature; 21. Protrusion; 22. Second mounting hole;

3. Seismograph;

4. Seismometer module.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only parts related to the present invention are shown in the drawings but not all of them.

As shown in Figures 1-5, the present embodiment provides an electromagnetic release device for a submarine seismograph, which is used to release the seismometer module 4, but is not limited to releasing the seismometer module 4, and can also be used to release the seismometer module 4. of counterweights.

The electromagnetic releasing device for the seabed seismograph includes an electromagnetic releasing device 1 and an armature 2 . Described electromagnetic releaser 1 is fixed on the seismograph 3, and described electromagnetic releaser 1 comprises iron core 11, and one side of described iron core 11 is provided with copper coil 12, and described iron core 11 is provided with for copper coil 12 is a watertight joint 13 connected to the seismograph controller; the armature 2 is fixed on the seismometer module 4 , and the armature 2 is matched with the electromagnetic releaser 1 .

In this embodiment, the iron core 11 is cylindrical, and the armature 2 mated with it is a circular disc-shaped structure. The iron core 11 and the armature 2 can also be arranged in other shapes, which will not be described here.

Specifically, as shown in FIG. 2, an annular groove is formed on one side of the iron core 11, and a copper coil 12 is arranged in the annular groove, and the copper coil 12 is tightly wound on the side wall with a small diameter of the annular groove, The more turns the copper coil 12 has, the greater the corresponding electromagnetic attraction force is generated. In order to make the electromagnetic release device 1 a solid whole, epoxy resin glue is filled between the copper coil 12 and the side wall with a large diameter of the annular groove, so as to realize the sealing of the copper coil 12 in water, thereby realizing electromagnetic release. The suction and release of the device in deep water or sea water. At the same time, the thickness of the electromagnetic release device 1 is set to 25-40 mm, preferably 30 mm, and the electromagnetic release device 1 can withstand pressure exceeding 6000 meters of water depth. The epoxy resin glue filled between the copper coil 12 and the large-diameter side wall of the annular groove can be replaced by other rubbers to realize the integrated structure of the electromagnetic releaser, which will not be described here.

As shown in Figures 2 and 3, threaded holes are provided on the side wall of the iron core 11, and the watertight joint 13 is threaded in the threaded hole, and the watertight joint 13 is provided with electric wires connecting the copper coil 12 and the seismograph controller. The material of the watertight joint 13 can be copper, stainless steel or titanium alloy, preferably metal copper, which improves the corrosion resistance of the watertight joint 13 . As shown in FIG. 3 , a sealing ring 14 is provided on the outer wall of the iron core 11 and at the joint between the watertight joint 13 and the iron core 11 , and the sealing ring 14 is preferably an O-ring. The setting of the sealing ring 14 isolates the inside of the iron core 11 from the external environment, preventing the inside of the iron core 11 from being corroded.

As shown in FIG. 3 , a first installation hole 15 is opened in the middle of the end of the iron core 11 away from the copper coil 12 , and the iron core 11 is installed on the seismograph 3 through bolts and the first installation hole 15 .

As shown in Figure 4, in this embodiment, the armature 2 is a circular disk-shaped structure, and a plurality of protrusions 21 are arranged at intervals on the edge of the armature 2. When the electromagnetic release 1 is attracted to the armature 2, the electromagnetic release 1 is placed Inside the space surrounded by a plurality of protrusions 21 and the armature 2, the relative sliding between the armature 2 and the electromagnetic release 1 can be effectively prevented, thereby preventing the electromagnetic release 1 from sliding out from the side when the armature 2 is engaged and causing The absorbed object slides down, which improves the reliability of the overall structure of the seismograph 3 .

A plurality of second installation holes 22 are also opened on the armature 2 , in this embodiment, there are three second installation holes 22 , and the second installation holes 22 are used for connecting the seismometer module 4 . As shown in Fig. 5, the armature 2 is installed on the seismometer module 4 by bolts. The copper coil 12 in the electromagnetic release device 1 is energized, and the electromagnetic release device 1 attracts the armature 2 to realize the connection between the seismometer module 4 and the seismograph 3; the copper coil 12 in the electromagnetic release device 1 is powered off, and the electromagnetic release device 1 releases the armature 2. The seismometer module 4 is released and coupled to the seafloor plane.

In this embodiment, the iron core 11 and the armature 2 are made of electrical pure iron, which has good magnetic conductivity. In order to prevent the iron core 11 and the armature 2 from being corroded, the outer walls of the iron core 11 and the armature 2 are coated with an anti-corrosion layer.

The electromagnetic release device described in this embodiment is installed on the seismograph 3. When the seismograph 3 sinks to the seabed with a water depth of several thousand meters, the seismograph controller controls the power on and off of the device, thereby realizing the control of its armature. 2, and then realize the release of the seismometer module 4, which can make the seismometer 3 reach the seabed, and the seismometer module 4 is released separately, more smoothly and reliably coupled with the seafloor plane, and improve the reliability and data of the instrument. Accuracy of records. At the same time, through the design of the structure of the armature 2 fixed on the release object, it effectively prevents the phenomenon that the electromagnetic release device 1 slips out from the side due to accidental slipping from the side during the suction process, which increases the seismograph. 3 reliability.

This embodiment also provides a submarine seismograph, including the above-mentioned electromagnetic release device for a submarine seismograph.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (6)

1. An electromagnetic release device for a submarine seismograph, characterized in that it comprises: Electromagnetic release device (1), is fixed on the seismograph (3), and described electromagnetic release device (1) comprises iron core (11), and one side of described iron core (11) is provided with copper coil (12), so The iron core (11) is provided with a watertight joint (13) for connecting the copper coil (12) with the seismograph controller; The armature (2) is fixed on the seismometer module (4), and the armature (2) is matched with the electromagnetic release device (1); One side of the iron core (11) is provided with an annular groove, the copper coil (12) is placed in the annular groove, and the copper coil (12) is wound around the small diameter of the annular groove. on the circular side walls; Epoxy resin glue is filled between the copper coil (12) and the large-diameter circular side wall of the annular groove; The side wall of the iron core (11) is provided with a threaded hole for installing the watertight joint (13), and a sealing ring (14) is provided at the joint between the watertight joint (13) and the iron core (11). ; A first installation hole (15) is opened in the middle of one end of the iron core (11) away from the copper coil (12), and the iron core (11) is installed on the above the seismograph (3); The edge of the armature (2) is provided with a plurality of projections (21) at intervals, and when the electromagnetic release (1) is connected with the armature (2), the electromagnetic release (1) is placed on a plurality of The inner side of the space surrounded by the protrusion (21) and the armature (2); A plurality of second installation holes (22) are also opened on the armature (2), and the second installation holes (22) are used for connecting the seismometer module (4); The copper coil (12) in the electromagnetic release (1) is energized, and the electromagnetic release (1) attracts the armature (2), so that the seismometer module (4) and the seismometer (3) ) connection; the copper coil (12) in the electromagnetic release (1) is powered off, and the electromagnetic release (1) releases the armature (2), so that the seismometer module (4) is released and coupled to the seafloor plane. 2. The electromagnetic releasing device for the seabed seismograph according to claim 1, characterized in that, the materials of the iron core (11) and the armature (2) are pure electrical iron. 3. The electromagnetic release device for seabed seismograph according to claim 1, characterized in that, the material of the watertight joint (13) is copper or stainless steel or titanium alloy. 4. The electromagnetic releasing device for seabed seismograph according to claim 1, characterized in that, the thickness of the electromagnetic releasing device (1) is 25-40mm. 5. The electromagnetic release device for seabed seismograph according to claim 1, characterized in that, the outer side walls of the iron core (11) and the armature (2) are coated with an anti-corrosion layer. 6. A submarine seismograph, characterized in that it comprises the electromagnetic release device for the submarine seismograph according to any one of claims 1-5.