CN210664504U - Magnetic compass calibrating device - Google Patents
Magnetic compass calibrating device Download PDFInfo
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- CN210664504U CN210664504U CN201920924531.8U CN201920924531U CN210664504U CN 210664504 U CN210664504 U CN 210664504U CN 201920924531 U CN201920924531 U CN 201920924531U CN 210664504 U CN210664504 U CN 210664504U
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- magnetic compass
- scale
- calibrated
- seat
- rotatable dial
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Abstract
The utility model discloses a magnetic compass calibrating device has no magnetism characteristic, including top-down set gradually can dismantle connecting seat, rotatable calibrated scale and scale indication seat: the detachable connecting seat is detachably fixed on the rotatable dial and is provided with a first connecting end, and when equipment to be calibrated is connected to the first connecting end, the magnetic compass of the equipment to be calibrated is kept at a required pitch angle; the rotatable dial is rotatably held on the scale indication seat, the rotation shaft of the rotatable dial is kept vertical, the rotatable dial is provided with a second connecting end, and when the device to be calibrated is connected to the second connecting end, the magnetic compass of the device to be calibrated is kept horizontal; the scale indication seat is provided with a scale indication part which is used for reading the scale value of the rotatable dial. The magnetic compass calibration device simplifies the calibration operation process and improves the calibration precision.
Description
Technical Field
The utility model relates to a magnetic compass calibration technical field, in particular to magnetic compass calibrating device.
Background
The magnetic compass is an instrument for indicating the direction and is widely applied to various devices. According to different using places, the magnetic compass on the equipment can be accurately indicated after being calibrated on the spot. The existing magnetic compass is mostly calibrated manually, and the calibration error is very large. Especially, the magnetic compass of the laser target indication detection system needs to be turned over for many times, the calibration process is complicated, and the labor burden is heavy.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a magnetic compass calibrating device simplifies the calibration operation process and improves the calibration precision.
The utility model provides a magnetic compass calibrating device has no magnetism characteristic, including detachable connecting seat, rotatable calibrated scale and the scale indication seat that top-down set gradually:
the detachable connecting seat is detachably fixed on the rotatable dial and is provided with a first connecting end, and when equipment to be calibrated is connected to the first connecting end, the magnetic compass of the equipment to be calibrated is kept at a required pitch angle;
the rotatable dial is rotatably held on the scale indication seat, the rotation shaft of the rotatable dial is kept vertical, the rotatable dial is provided with a second connecting end, and when the device to be calibrated is connected to the second connecting end, the magnetic compass of the device to be calibrated is kept horizontal;
the scale indication seat is provided with a scale indication part which is used for reading the scale value of the rotatable dial.
Furthermore, the detachable connecting seat is provided with a bearing connecting surface, and the bearing connecting surface is used for bearing the equipment to be calibrated.
Furthermore, the bearing connecting surface keeps inclining upwards, and the first connecting end is arranged on the bearing connecting surface.
Further, the detachable connection seat has a wedge structure.
Further, the second link still is used for realizing rotatable dial with can dismantle the connection of connecting seat, the second link set up in the center of rotatable dial.
Furthermore, the first connecting end is a nonmagnetic bolt.
Further, the second connecting end is a nonmagnetic bolt.
Furthermore, the rotatable dial is rotatably connected with the scale indication seat through a non-magnetic connecting shaft.
Further, the scale indication part is a pointer which is kept fixed or an indication line which is formed on the surface of the scale indication part.
Further, the magnetic compass calibration device also comprises a supporting base, and the scale indicating seat is arranged on the supporting base.
Further, the scale indication seat and the support base have a detachable connection relationship.
Further, the support base is a tripod.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
the magnetic compass is kept at a required pitch angle by utilizing the detachable connecting seat, and is rotated to different geomagnetic test angles by utilizing the rotation of the rotatable dial, so that the accurate calibration of each angle of the magnetic compass under a pitching attitude is realized;
the detachable connecting seat is detached immediately, the magnetic compass is kept horizontal by utilizing the rotatable dial, and is rotated to different geomagnetic test angles along with the rotatable dial, so that accurate calibration of each angle of the magnetic compass under a horizontal posture is realized;
the process realizes the accurate positioning of the magnetic compass, has higher calibration precision, and simplifies the calibration operation process without overturning the equipment to be calibrated for many times.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of an overall structure of a magnetic compass calibrating device according to an embodiment of the present invention;
FIG. 2 is a schematic exploded view of the magnetic compass calibrating apparatus of FIG. 1;
fig. 3 is a schematic top view of the magnetic compass calibrating apparatus of fig. 1.
Description of the main element symbols:
1-a detachable connecting seat, 11-a first connecting end, 12-a bearing connecting surface, 2-a rotatable dial, 21-a second connecting end, 22-scale marks, 3-a scale indicating seat, 31-a scale indicating part, 32-a non-magnetic connecting shaft, 4-a supporting base and 41-a third connecting end.
Detailed Description
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. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements 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 herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The embodiment discloses a specific construction of a magnetic compass calibration device.
Referring to fig. 1-3, in the present embodiment, the magnetic compass calibration device has a non-magnetic characteristic, i.e., the components are made of non-magnetic material, so as to avoid interference to the calibration of the magnetic compass. Meanwhile, the magnetic compass calibration device comprises a detachable connecting seat 1, a rotatable dial 2 and a scale indicating seat 3 which are sequentially arranged from top to bottom.
Wherein, the detachable connecting seat 1 is detachably fixed on the rotatable dial 2. When the detachable connection base 1 is fixed on the rotatable scale 2, the two have synchronous rotation characteristics.
The detachable connecting seat 1 has a first connecting end 11, and the first connecting end 11 is used for connecting the device to be calibrated, so that the device to be calibrated is kept stable. The implementation mode of the first connection end 11 is adapted to the equipment to be calibrated, and includes types of threaded connection pieces, pin connection pieces, clamping seats and the like. Exemplarily, the first connection end 11 is a nonmagnetic bolt.
When the device to be calibrated is connected to the first connection end 11, the magnetic compass of the device to be calibrated is kept at a required pitch angle, and calibration under the pitch attitude is realized. For example, the pitch angle may be 45 ° such that the magnetic compass is held up at a 45 ° angle. Further, when the first connection end 11 is a non-magnetic bolt, an included angle of 45 ° is formed between the axis of the non-magnetic bolt and the plumb line.
Exemplarily, the detachable connection socket 1 has a bearing connection surface 12, and the bearing connection surface 12 is used for bearing the device to be calibrated, so as to increase the stability of the device to be calibrated in the calibration process. Further, the bearing connection surface 12 is kept tilted upward, and the first connection end 11 is disposed on the bearing connection surface 12.
The detachable connection holder 1 can be implemented in different forms of structures, such as block-shaped, plate-shaped, frame-shaped, etc. Exemplarily, the detachable connection holder 1 has a wedge structure. Further, the bearing connecting surface 12 is a side upper surface of the wedge-shaped structure.
The rotatable scale 2 is rotatably held on the scale indication base 3. In other words, the rotatable scale 2 is provided on the scale indication base 3, the scale indication base 3 is kept stationary, and the rotatable scale 2 is rotatable with respect to the scale indication base 3. The rotatable scale 2 is exemplarily in rotational connection with the scale indication seat 3 by a non-magnetic connection shaft 32.
The rotation axis of the rotatable scale 2 is kept vertical for the purpose of rotation in the horizontal plane. It will be appreciated that the surface of the rotatable scale 2 has circumferentially distributed graduation marks 22 for indicating angular values, e.g. 30 °, 60 °, 90 °, 120 °, etc.
Wherein the rotatable scale 2 has a second connection end 21 for connecting a device to be calibrated. When the device to be calibrated is connected to the second connection 21, the magnetic compass of the device to be calibrated remains horizontal. The implementation of the second connection end 21 is adapted to the device to be calibrated, including the types of threaded connection, pin connection, snap connection, cassette, etc. The second connection end 21 is exemplarily a nonmagnetic bolt.
Exemplarily, the second connection end 21 is also used for realizing the detachable connection of the rotatable scale 2 and the detachable connection seat 1, and the second connection end 21 is disposed at the center of the rotatable scale 2. For example, before the detachable connecting base 1 is detached, the detachable connecting base 1 is fixed on the rotatable scale 2 through the second connecting end 21, and the device to be calibrated is installed on the detachable connecting base 1; when the detachable connection holder 1 is detached, the device to be calibrated is mounted on the second connection end 21.
The scale indication base 3 has a scale indication portion 31, and the scale indication portion 31 is used for reading the scale value of the rotatable scale 2. The scale indicating base 3 can adopt various structural shapes, including disc, cylinder, frame and the like. The scale indication portion 31 is exemplarily a pointer that is kept fixed or an indication line that is formed (e.g., drawn or coated) on the disc surface of the scale indication portion 31.
Exemplarily, the magnetic compass calibration device further comprises a supporting base 4, and the scale indication seat 3 is arranged on the supporting base 4. The support base 4 is used for holding on the ground and providing support for the scale indication seat 3. The support base 4 may take various structural shapes including disc, cylinder, frame, etc. types. The support base 4 is exemplarily a tripod.
Exemplarily, the scale indication seat 3 and the support base 4 have a detachable connection relationship, which is convenient for being detached for storage or transportation. Further, the scale indication seat 3 is connected with the support base 4 through a third connection end 41. Exemplarily, the third connection end 41 may be a nonmagnetic bolt fixed on the support base 4.
One specific use of the magnetic compass calibration device is briefly described below.
Firstly, fixing a detachable connecting seat 1 on a rotatable dial 2, and immediately installing equipment to be calibrated on the detachable connecting seat 1 through a first connecting end 11;
rotating the rotatable dial 2 and observing the reading indicated by the scale indicating part 31 to enable the detachable connecting seat 1 and the equipment to be calibrated to synchronously rotate along with the rotatable dial 2 to the corresponding geomagnetic test angles (30 degrees, 120 degrees, 210 degrees and 300 degrees), and respectively calibrating and sampling under the geomagnetic test angles;
the equipment to be calibrated is detached from the detachable connecting seat 1 and the detachable connecting seat 1 is detached from the rotatable dial 2, and then the equipment to be calibrated is installed on the rotatable dial 2 through the second connecting end 21;
rotating the rotatable dial 2 and observing the readings indicated by the scale indication part 31, so that the equipment to be calibrated synchronously rotates along with the rotatable dial 2 to the corresponding geomagnetic test angles (60 degrees, 150 degrees, 240 degrees and 330 degrees), and respectively calibrating and sampling under the geomagnetic test angles;
after sampling is finished, a calibration score can be obtained, and the purpose of calibration is achieved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. Magnetic compass calibrating device, its characterized in that has no magnetism characteristic, includes detachable connecting seat, rotatable calibrated scale and the scale indication seat that top-down set gradually:
the detachable connecting seat is detachably fixed on the rotatable dial and is provided with a first connecting end, and when equipment to be calibrated is connected to the first connecting end, the magnetic compass of the equipment to be calibrated is kept at a required pitch angle;
the rotatable dial is rotatably held on the scale indication seat, the rotation shaft of the rotatable dial is kept vertical, the rotatable dial is provided with a second connecting end, and when the device to be calibrated is connected to the second connecting end, the magnetic compass of the device to be calibrated is kept horizontal;
the scale indication seat is provided with a scale indication part which is used for reading the scale value of the rotatable dial.
2. The magnetic compass calibration device of claim 1, wherein the detachable connection base has a bearing connection surface for bearing the device to be calibrated.
3. The magnetic compass calibration device of claim 2, wherein the bearing connection surface is maintained at an upward pitch, the first connection end being disposed on the bearing connection surface.
4. The magnetic compass calibration device of claim 1, wherein the detachable connection base has a wedge structure.
5. The magnetic compass calibration device of claim 1, wherein the second connection end is further configured to enable detachable connection of the rotatable dial with the detachable connection base, the second connection end being disposed at a center of the rotatable dial.
6. The magnetic compass calibration device of claim 1, wherein the first connection end and/or the second connection end is a non-magnetic bolt.
7. The magnetic compass calibration device of claim 1, wherein the rotatable dial is rotatably connected to the scale indicator base by a non-magnetic connecting shaft.
8. The magnetic compass calibration device of claim 1, wherein the scale indication portion is a pointer held fixed or an indication line formed on a surface of a dial of the scale indication portion.
9. The magnetic compass calibration device of claim 1, further comprising a support base, the scale indicator being disposed on the support base.
10. The magnetic compass calibration device of claim 9, wherein the scale indication seat has a detachable connection relationship with the support base; the supporting base is a tripod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924531.8U CN210664504U (en) | 2019-06-19 | 2019-06-19 | Magnetic compass calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920924531.8U CN210664504U (en) | 2019-06-19 | 2019-06-19 | Magnetic compass calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210664504U true CN210664504U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920924531.8U Active CN210664504U (en) | 2019-06-19 | 2019-06-19 | Magnetic compass calibrating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857346A (en) * | 2021-01-21 | 2021-05-28 | 李树峰 | Rotary platform for helicopter compass field calibration and measurement method |
| CN112857347A (en) * | 2021-01-21 | 2021-05-28 | 李树峰 | Pointer type rotary platform for helicopter compass field calibration |
-
2019
- 2019-06-19 CN CN201920924531.8U patent/CN210664504U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112857346A (en) * | 2021-01-21 | 2021-05-28 | 李树峰 | Rotary platform for helicopter compass field calibration and measurement method |
| CN112857347A (en) * | 2021-01-21 | 2021-05-28 | 李树峰 | Pointer type rotary platform for helicopter compass field calibration |
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