CN111121740A - Magnetic compass instrument for airplane - Google Patents
Magnetic compass instrument for airplane Download PDFInfo
- Publication number
- CN111121740A CN111121740A CN201911361984.5A CN201911361984A CN111121740A CN 111121740 A CN111121740 A CN 111121740A CN 201911361984 A CN201911361984 A CN 201911361984A CN 111121740 A CN111121740 A CN 111121740A
- Authority
- CN
- China
- Prior art keywords
- accessory
- buoyancy
- gravity configuration
- magnetic force
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005484 gravity Effects 0.000 claims abstract description 42
- 238000013016 damping Methods 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000007789 gas Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000001307 helium Substances 0.000 claims description 4
- 229910052734 helium Inorganic materials 0.000 claims description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000010415 tidying Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
- G01C17/06—Suspending magnetic elements
- G01C17/08—Suspending magnetic elements by flotation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/02—Magnetic compasses
- G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
- G01C17/18—Supporting or suspending compasses, e.g. by gimbal, by flotation
Abstract
The invention provides a novel aircraft magnetic compass instrument, comprising: magnetic force indicating accessories, horizontal gravity configuration accessories, vertical gravity configuration accessories, a buoyancy device housing, damping liquid, buoyancy gas and a device shell; the buoyancy gas is filled in the buoyancy device outer cover, so that the weight of the whole device is effectively reduced; the magnetic force indication accessory is mutually vertical to the horizontal gravity configuration accessory and the vertical gravity configuration accessory, the magnetic force indication accessory can indicate the magnetic force direction more accurately to enable the aircraft to fly more accurately, the captain, the copilot and the like can fly by means of the device under emergency conditions, the horizontal gravity configuration accessory and the vertical gravity configuration accessory keep the stability of the indicator and enable the whole to be in the middle of the spherical instrument, damping liquid generates damping effect on the movement of the outer cover of the buoyancy device, and the liquid can also play a role in buoyancy and reduce the weight.
Description
The technical field is as follows:
the invention relates to the technical field of aircraft instrument systems, in particular to a novel aircraft magnetic compass instrument.
Background art:
magnetic compass instruments, on commercial aircraft, serve as backup magnetic compasses. The backup magnetic compass is typically centrally located in the cockpit, above the front windshield. Thus, the captain and the copilot can see the magnetic compass, and the magnetic compass is far away from the magnetic fields generated by other electrical equipment and is less influenced. The spare magnetic compass is provided with a glass housing, and the indicated direction is the indicated heading direction through the rotation of a pointer. Magnetic compasses can only measure heading with horizontal lines of force, only the lines of force at the equator being horizontal. In other regions, the magnetic lines of force are inclined to the earth's surface, so magnetic compasses can cause errors, and generally, the airplane is used for providing heading information by using an azimuth gyro or an inertial reference system, so that the weight of the airplane is relatively increased.
The invention content is as follows:
in order to solve the technical problem, the magnetic compass instrument of the airplane comprises: the buoyancy device comprises a magnetic force indicating accessory, a buoyancy device outer cover, a horizontal gravity configuration accessory, a vertical gravity configuration accessory, damping liquid, buoyancy gas and an integral shell, wherein the damping liquid is arranged inside the integral shell and plays a role in damping the movement of the buoyancy device outer cover, the buoyancy gas is arranged inside the buoyancy device outer cover, the horizontal gravity configuration accessory, the vertical gravity configuration accessory and the magnetic force indicating accessory are all connected with the inner side of the buoyancy device outer cover, the horizontal gravity configuration accessory, the vertical gravity configuration accessory and the magnetic force indicating accessory are mutually perpendicular, one end of the magnetic force indicating accessory is an 'S' pole, and the surface of the 'N' pole at one end of the magnetic force indicating accessory is coated with fluorescent materials with a waterproof function.
According to the further technical scheme, the integral shell is made of glass.
In a further technical scheme, the damping liquid is water.
According to the further technical scheme, the outer cover of the buoyancy device is made of plastic.
In a further technical scheme, the buoyancy gas is helium.
According to a further technical scheme, the horizontal gravity configuration accessory and the vertical gravity configuration accessory are wood blocks provided with waterproof coatings.
According to a further technical scheme, the magnetic force indication accessory is a permanent magnet.
Compared with the prior art, the invention has the beneficial effects that: the weight of the airplane is reduced, and the course display of the airplane is more accurate.
Description of the drawings:
the accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of the present invention;
reference numerals: 1-magnetic force indication accessory, 2-buoyancy device outer cover, 3-horizontal gravity configuration accessory, 4-damping liquid, 5-buoyancy gas, 6-integral shell and 7-vertical gravity configuration accessory.
The specific implementation mode is as follows:
as shown, an aircraft magnetic compass instrument includes: magnetic force indicates annex 1, buoyancy device dustcoat 2, horizontal gravity configuration annex 3, damping liquid 4, buoyancy gas 5, whole shell 6 is circular, and material and glass material, the inside damping liquid 4 that is equipped with of whole shell 6, damping liquid 4 is water, plays the damping action to the motion of buoyancy device dustcoat 2, buoyancy device dustcoat 2 is circular pipe (the pipe is what), and the material is plastics, the inside buoyancy gas 5 that is equipped with of buoyancy device dustcoat 2, buoyancy gas 5 is the helium, the inboard diameter of buoyancy device dustcoat 2 is equipped with horizontal gravity configuration annex 3, be equipped with vertical gravity in the middle of horizontal gravity configuration annex 3 and dispose annex 7, horizontal gravity configuration annex 3, vertical gravity configuration annex 7 are for being equipped with waterproof coating's billet, buoyancy device dustcoat 2 diameter is equipped with magnetic force and indicates annex 1, the magnetic force indication accessory 1 and the horizontal gravity configuration accessory 3 are perpendicular to each other in the same plane, the horizontal gravity configuration accessory 3, the vertical gravity configuration accessory 7 and the magnetic force indication accessory 1 are crossed and perpendicular to each other in the middle positions, the magnetic force indication accessory 1 is a permanent magnet, one end of the magnetic force indication accessory 1 is an S pole, the surface of the N pole at the other end of the magnetic force indication accessory is coated with a fluorescent substance with a waterproof function, the indication direction can be still seen when light is insufficient, extra power-on is not needed, and the N pole and the S pole are marked on the surface obviously to indicate the course of an airplane.
The working principle is as follows: the first specific implementation mode of the novel aircraft magnetic compass instrument provided by the invention comprises a magnetic force indication accessory 1, a buoyancy device outer cover 2, a gravity configuration accessory 3 and damping liquid 4. The outer cover of the buoyancy device is filled with buoyancy gas 5; the magnetic force indication accessory 1 and the gravity configuration accessories (3) and (7) are perpendicular to each other, the magnetic force indication accessory 1 can indicate the direction of magnetic force, the gravity configuration accessories (3) and (7) keep the stability of the magnetic force accessories, and the damping liquid 4 has a damping effect on the movement of the buoyancy device housing 2. The magnetic force indicating accessory 1 is a permanent magnet and is vertical to the two gravity configuration accessories (3) and (7), fluorescent materials with waterproof functions are coated on the surface of the magnetic force indicating accessory, the indicating direction can be seen before the indicating direction is insufficient, extra electrification is not needed, and N and S are marked on the surface of the magnetic force indicating accessory and are used for indicating the course of the airplane. The number of the gravity configuration accessories (3) and (7) is 2, two gravity configuration accessories (3) and (7) are vertical to each other and the magnetic indication accessory 1, each gravity of the gravity configuration accessories is the same as the weight of the magnetic indication accessory 1, and the gravity center of the whole body can be kept at the central position. The buoyancy device outer cover 2 is made of plastic and is spherical, the movement of the magnetic indication accessory 1 can be seen clearly, and the buoyancy gas 5 helium is filled in the buoyancy device outer cover, so that the position of the buoyancy device outer cover can be arranged in the center of the inner part of the outer cover. The integral shell 6 is made of glass and is spherical, the movement of the magnetic indication accessory 1 can be seen clearly, damping liquid 4 water is filled in the integral shell, the movement of the outer cover 2 of the buoyancy device can be damped, and the integral shell is arranged in the center of the upper part of a front windshield in a cockpit. Thus, the front and the back drivers can see the magnetic compass, and the magnetic compass is far away from the magnetic field generated by other electric equipment and is less influenced. The material of the tidying shell is glass, the outer cover 2 of the buoyancy device is made of plastic, the indication of the magnetic indication accessory 1 inside the outer cover can be clearly seen, the damping liquid 4 is water, buoyancy can be generated for the outer shell of the buoyancy device, the magnetic indication accessory 1 can generate deflection by utilizing magnetic field force and drive the outer shell of the buoyancy device to move under the action of motion damping of the outer shell of the buoyancy device, course information can be indicated more effectively through the structure, the magnetic indication accessory 1 can also be clearly seen in the dark through the waterproof fluorescent substance, the power supply of the magnetic indication accessory 1 is reduced, the weight of electric wires is reduced, and an airplane is lighter. The gravity-configured appendages (3) (7) hold the whole in a central position, facilitating the deflection of the magnetic indicator.
The invention is arranged in the center of the upper part of the front windshield in the cockpit. Thus, the captain and the copilot can see the magnetic compass, and the magnetic compass is far away from the magnetic fields generated by other electrical equipment and is less influenced. The shell of the buoyancy device is made of glass, the indication of the magnetic indication accessory 1 inside the shell can be clearly seen, the damping liquid 4 is water, buoyancy can be generated for the whole body, the magnetic indication accessory 1 generates a damping effect on deflection, the magnetic indication accessory 1 generates deflection by utilizing magnetic field force, the structure of the buoyancy device can effectively indicate course information, the buoyancy device is waterproof and fluorescent, the magnetic indication accessory 1 can be seen clearly in the dark, the power supply of the buoyancy device is reduced, the weight of an electric wire is reduced, and an airplane is lighter. The buoyancy-retaining attachment will hold the whole in a central position facilitating the deflection of the magnetic indicator.
The invention discloses a horizontal gravity configuration accessory and a vertical gravity configuration accessory, wherein the horizontal and vertical positions are only used for describing positions and do not represent actual working states.
The technical means disclosed by the scheme of the invention are not limited to the technical means disclosed by the technical means, and also comprise the technical scheme formed by equivalent replacement of the technical features. The present invention is not limited to the details given herein, but is within the ordinary knowledge of those skilled in the art.
Claims (7)
1. An aircraft magnetic compass instrument, comprising: magnetic force indicates annex, buoyant device dustcoat, horizontal gravity configuration annex, perpendicular gravity configuration annex, damping liquid, buoyancy gas, whole shell, the inside damping liquid that is equipped with of whole shell plays the damping action to the motion of buoyant device dustcoat, the inside buoyancy gas that is equipped with of buoyant device dustcoat, horizontal gravity configuration annex, perpendicular gravity configuration annex, magnetic force indicate the annex and all are connected with the buoyant device dustcoat inboard, magnetic force indicates annex one end for "S" utmost point, and one end is "N" utmost point surface scribbles the fluorescent substance that has waterproof function.
2. An aircraft magnetic compass instrument in accordance with claim 1, wherein: the integral shell is made of glass.
3. An aircraft magnetic compass instrument in accordance with claim 1, wherein: the damping liquid is water.
4. An aircraft magnetic compass instrument in accordance with claim 1, wherein: the outer cover of the buoyancy device is made of plastic.
5. An aircraft magnetic compass instrument in accordance with claim 1, wherein: the buoyant gas is helium.
6. An aircraft magnetic compass instrument in accordance with claim 1, wherein: the horizontal gravity configuration accessory and the vertical gravity configuration accessory are wood blocks provided with waterproof coatings.
7. An aircraft magnetic compass instrument in accordance with claim 1, wherein: the magnetic force indicating attachment is a permanent magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361984.5A CN111121740A (en) | 2019-12-26 | 2019-12-26 | Magnetic compass instrument for airplane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911361984.5A CN111121740A (en) | 2019-12-26 | 2019-12-26 | Magnetic compass instrument for airplane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111121740A true CN111121740A (en) | 2020-05-08 |
Family
ID=70502644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911361984.5A Pending CN111121740A (en) | 2019-12-26 | 2019-12-26 | Magnetic compass instrument for airplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111121740A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1379895A (en) * | 1999-10-18 | 2002-11-13 | 威廉·W·弗伦奇 | Self rotating display spherical device |
| CN2779246Y (en) * | 2005-02-01 | 2006-05-10 | 许顺喜 | Floating rotary candle holder |
| CN106568428A (en) * | 2016-10-27 | 2017-04-19 | 宁波嘉瑞工艺精品制造有限公司 | Novel liquid-filled magnetic compass |
-
2019
- 2019-12-26 CN CN201911361984.5A patent/CN111121740A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1379895A (en) * | 1999-10-18 | 2002-11-13 | 威廉·W·弗伦奇 | Self rotating display spherical device |
| CN2779246Y (en) * | 2005-02-01 | 2006-05-10 | 许顺喜 | Floating rotary candle holder |
| CN106568428A (en) * | 2016-10-27 | 2017-04-19 | 宁波嘉瑞工艺精品制造有限公司 | Novel liquid-filled magnetic compass |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200508 |
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| RJ01 | Rejection of invention patent application after publication |