CN200989782Y - Testing clamp device for electronic compass - Google Patents
Testing clamp device for electronic compass Download PDFInfo
- Publication number
- CN200989782Y CN200989782Y CNU2006200492115U CN200620049211U CN200989782Y CN 200989782 Y CN200989782 Y CN 200989782Y CN U2006200492115 U CNU2006200492115 U CN U2006200492115U CN 200620049211 U CN200620049211 U CN 200620049211U CN 200989782 Y CN200989782 Y CN 200989782Y
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- electronic compass
- screw
- base
- ball
- rotating disk
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Abstract
The utility model relates to an electronic compass test gauge measuring the direction pointing angle of the electronic compass. The gauge includes a base, the base has a screw hole, a plurality of concaves are arranged in same semi-diameter by taking the screw hole as the center, the concaves are corresponding to the angle which shall be measured, a rotary disk, the rotary disk is movably arranged on the base and vertically corresponds to the screw hole, at least two positioning blocks are arranged on one of the extension line sets of the concave, the positioning blocks are used to position a electrical device and comprises the electronic compass. A rolling ball is arranged at the concave corresponding to the rotary disk, the rolling ball and a spring are pressed inside the rolling hole with a screw; the diameter of the rolling ball hole corresponding to the base is smaller than the diameter of the rolling ball. The concave is the benchmark to measure the direction of the electronic compass pointer. The gauge will not be interfered by the surrounding electromagnetic field, the structure is simple, and the operation is easy, which will improve the test procedure.
Description
[technical field]
The measurement jig of the relevant a kind of electronic compass of the utility model, it can be according to the accuracy of the predefined scale value test of base electronic compass sensing.
[background technology]
Now, embed GPS (Global Positioning System, GPS) electronic product is quite universal, the geographic position of people or thing can more accurately be located by this system, and on screen, show a compass interface as the electronic compass of the auxiliary positioning instrument of this system, by the work of terrestrial magnetic field in order to the pointer direction indication on this compass interface, but agps system is widely used in open-air navigation, prospecting instrument, occasions such as traffic scheduling, but this electronic compass very easily is subjected to the influence of soft or hard magnet on every side, especially in grown place such as electronic products such as PDA(Personal Digital Assistant)s, the electromagnetic field of various electronic packages magnetizes this electronic compass, with causing this electronic compass indicated direction and the direction in magnetic field practically that bigger error is arranged, therefore before this electronic product shipment, must debug and test.
The direction indication of electronic compass is that standard is tested according to the more accurate military compass of the sensing of production scene mostly just at present, and this military compass also can be subjected to peripheral electronic component galvanomagnetic effect influence and point to inaccurately, so the direction after the test of this electronic compass also is out of true or even inaccurate most probably.
In view of above-mentioned, be necessary to develop a kind of measurement jig of electronic compass, with fixing its direction indication of standard testing.
[summary of the invention]
Therefore, the purpose of this utility model promptly provides a kind of measurement jig of electronic compass, with fixing its direction indication of standard testing, to solve the inaccurate problem of testing standard in the prior art.
For reaching above-mentioned purpose, the utility model provides a kind of measurement jig of electronic compass, in order to test the electronic compass orientation angle of an electronic installation, it comprises a base, this base is provided with a screw, with this screw is that some pits are radially offered in the axle center together, and these pits are corresponding with the angle of desire test; An and rotating disk, to being pivoted on this base by screw, and vertical corresponding above-mentioned screw is established at least two locating pieces with the extended line group of a pit wherein, in order to locate an electronic installation that comprises electronic compass, and this rotating disk is to offering a ball hole by pit, cooperate with screw ball, spring are pressed and be located in this ball hole, and the aperture of the one side that this ball hole is corresponding with base is less than the diameter of this ball, and then this spring ejects this ball hole with the bottom of this ball and contacts with the surface of base when state of nature.
Compared with prior art, the utility model utilization is the pointed of benchmark test electronic compass with the pit corresponding with the angle of desiring to test, and is not subjected to the interference of peripheral electromagnetic field, and this jig structure is simple, easy and simple to handle, be beneficial to and improve testing process, save production cost.
[description of drawings]
Fig. 1 is the schematic perspective view of first user mode of the measurement jig of electronic compass of the present utility model.
Fig. 2 is the decomposing schematic representation of the measurement jig of electronic compass of the present utility model.
Fig. 3 is the assembling synoptic diagram of the measurement jig of electronic compass of the present utility model.
Fig. 4 is the schematic perspective view of second user mode of the measurement jig of electronic compass of the present utility model.
[embodiment]
Consult Fig. 1, schematic perspective view for first user mode of the measurement jig of electronic compass of the present utility model, as shown in the figure, one is carved with the rotating disk 2 that pivots on the base 1 of at least one zero graduation line 11, correspondence is provided with two locating pieces 21 on this rotating disk 2, embed the electronic installation (as personal digital assistant 3) of electronic compass program in order to the location, show a compass interface 31 on the screen of this personal digital assistant 3, this compass interface 31 comprises a circumference graduation apparatus and a pointer 32, and definition direct north (N) scale is a zero graduation, when this pointer 32 points to zero graduation, or the difference of the direction pointed to of this pointer 32 and the direction of this zero graduation signal is in an allowed band (spending errors as positive and negative 3), and then this electronic compass pointing accuracy meets the requirements.Certainly, this compass interface 31 also can comprise a total indicator reading, in order to manifest the number of degrees that this pointer 32 points in this circumference graduation apparatus.
See also Fig. 2, be the novel three-dimensional exploded view of this use, this base 1 is offered a screw 14, by this screw 14 extend a zero graduation line 11 and one with 135 scale marks 12 of 11 one-tenth 1 on this zero graduation line degree, and this 135 scale mark 12 is to place on this screw 14 with a military compass (not shown), be not enough to influence in no electromagnetic interference (EMI) or electromagnetic interference (EMI) on every side when the pointer of this military compass point to 135 degree by north and carve under the situation of terrestrial magnetic field and be shown on this base 1, certainly, the angle of scale mark and the setting of number can be adjusted according to the needs of measuring accuracy, and this base 1 radially 13 is offered a pit 15 respectively with same on these scale marks, in the present embodiment, these pits 15 are located on this zero graduation line 11 and this 135 scale mark 12, in order to set the test angle of this rotating disk 2.
The vertical corresponding above-mentioned zero graduation line of these rotating disk 2 end faces is established at least two locating pieces 21 for 11 groups, more preferably, extend in opposite directions at these two locating pieces, 21 two ends, test position when lying against this rotating disk 2 in order to fixing personal digital assistant 3, again, rotating disk 2 depressions one locating slot 22 between this two locating piece 21, in order to locate the test position of this personal digital assistant 3 when placing perpendicular to this rotating disk 2, and the corresponding above-mentioned screw 14 in these locating slot 22 bottoms is offered a through hole (end diagram), screw 27 passes this through hole and this screw 14 is sealed so that articulate, then this rotating disk 2 can be relatively this base 1 pivot, moreover, with this through hole be the axle center above-mentioned 13 be that radius is offered one and run through this rotating disk 2 and the ball hole 23 corresponding with one of above-mentioned pit 15 radially, screw thread is arranged at these ball hole 23 tops, cooperate ball 24 with screw 26, spring 25 is pressed and is located in this ball hole 23, and the aperture of the one side that this ball hole 23 and base 1 are corresponding is less than the diameter of this ball 24, and then this spring 26 ejects this ball hole 23 with the bottom of this ball 24 and contacts with the surface of base 1 when state of nature.Generally speaking, for the convenience of testing, this ball hole 23 is positioned on the extended line of locating slot 22.
During assembling, consult Fig. 3 in the lump, to articulate screw 27 rotating disk 2 is pivoted on base 1, successively spring 25, ball 24 are pressed in the ball hole 23 with screw 26, owing to be subjected to the effect of base 1, ball 26 is contained in the ball hole 23 fully simultaneously.
When the accuracy of direct north is pointed in the desire test, consult Fig. 1, this personal digital assistant 3 is lain against between two locating pieces 21, rotate rotating disk 2, ball 24 rolls, ball 24 is ejected ball hole 23 and be arranged in the pit 15 corresponding to zero graduation line 11 until spring 25, whether the pointer 32 of testing this electronic compass points to the zero graduation (promptly representing the N scale of direct north) in the circumference graduation apparatus, perhaps in allowed limits whether the angular error between pointer 32 and this zero graduation value, if then test successfully, if not, represent that then electronic compass is magnetized or the electronic compass program is made mistakes, need carry out initialization earlier and carry out another time test again; If need other angle of test, for example 135 degree rotate this rotating disk 2 once more, and ball 24 pressurizeds enter ball hole 23, repeat above-mentioned steps afterwards.
Desire the accuracy that this electronic compass of subtest vertically points on the magnetic direction, consult Fig. 4 again, this personal digital assistant 3 vertically is positioned in the locating slot 22 of this rotating disk 2, rotate rotating disk 2, ball 24 rolls, ball 24 is ejected ball hole 23 and be arranged in the pit 15 corresponding to zero graduation line 11 until spring 25, whether the pointer 32 of testing this electronic compass points to 90 degree in the circumference graduation apparatus, perhaps in allowed limits whether the angular error between pointer 32 and this 90 scale value, if then test successfully, if not, represent that then electronic compass is magnetized or the electronic compass program is made mistakes, need that this electronic compass is carried out initialization and carry out another time test again.
In sum, the direction standard that the utility model utilization is fixed be not subjected to the interference of peripheral electromagnetic field, and this jig structure is simple for the pointed of benchmark test electronic compass, and is easy and simple to handle, is beneficial to and improves testing process, saves production cost.
Claims (4)
1, a kind of measurement jig of electronic compass in order to test the electronic compass orientation angle of an electronic installation, is characterized in that: comprising:
One base is provided with a screw, is that some pits are radially offered in the axle center together with this screw, and these pits are corresponding with the angle of desire test;
One rotating disk, to should being pivoted on this base by screw, and vertical corresponding above-mentioned screw establishes at least two locating pieces with the extended line group of a pit wherein, and this rotating disk be to offering a ball hole by pit, and activity is installed with a ball.
2, the measurement jig of electronic compass as claimed in claim 1 is characterized in that: be installed with this ball, spring in this ball hole successively, and this a ball hole top and a screw closure.
3, the measurement jig of electronic compass as claimed in claim 1 or 2 is characterized in that: this rotating disk also comprises one in the locating slot of this extended line extension.
4, the measurement jig of electronic compass as claimed in claim 3 is characterized in that: extend in opposite directions at these two locating pieces two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200492115U CN200989782Y (en) | 2006-12-19 | 2006-12-19 | Testing clamp device for electronic compass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200492115U CN200989782Y (en) | 2006-12-19 | 2006-12-19 | Testing clamp device for electronic compass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989782Y true CN200989782Y (en) | 2007-12-12 |
Family
ID=38940818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200492115U Expired - Fee Related CN200989782Y (en) | 2006-12-19 | 2006-12-19 | Testing clamp device for electronic compass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200989782Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839716A (en) * | 2009-03-21 | 2010-09-22 | 鸿富锦精密工业（深圳）有限公司 | Electronic compass test system and method |
| CN102297686A (en) * | 2010-06-22 | 2011-12-28 | 神讯电脑(昆山)有限公司 | Compass testing equipment and method |
| CN102825589A (en) * | 2012-09-18 | 2012-12-19 | 昆山迈致治具科技有限公司 | Rollover test jig |
| CN104197906A (en) * | 2014-09-15 | 2014-12-10 | 瑞安市顺风航仪有限公司 | Axle needle of magnetic compass and application of ball pen point in manufacture of axle needle of magnetic compass |
| CN106597033A (en) * | 2016-12-23 | 2017-04-26 | 东莞华贝电子科技有限公司 | Earth induction testing clamp and earth induction testing method |
| CN106595622A (en) * | 2015-10-16 | 2017-04-26 | 上海乐今通信技术有限公司 | Compass testing fixture |
| CN108253951A (en) * | 2016-12-29 | 2018-07-06 | 北京卓翼智能科技有限公司 | Unmanned plane auxiliary calibration device and the method using its calibration unmanned plane |
| CN110260848A (en) * | 2019-07-08 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Geologic body strike-dip survey method in compass, electromagnetism interference compass and tunnel |
| CN111272160A (en) * | 2020-03-27 | 2020-06-12 | 上海菲恒生活用品有限公司 | Precision automatic testing device for compass with transparent chassis |
-
2006
- 2006-12-19 CN CNU2006200492115U patent/CN200989782Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839716B (en) * | 2009-03-21 | 2013-02-20 | 鸿富锦精密工业（深圳）有限公司 | Electronic compass test system and method |
| CN101839716A (en) * | 2009-03-21 | 2010-09-22 | 鸿富锦精密工业（深圳）有限公司 | Electronic compass test system and method |
| CN102297686A (en) * | 2010-06-22 | 2011-12-28 | 神讯电脑(昆山)有限公司 | Compass testing equipment and method |
| CN102297686B (en) * | 2010-06-22 | 2013-05-15 | 神讯电脑(昆山)有限公司 | Compass testing equipment and method |
| CN102825589A (en) * | 2012-09-18 | 2012-12-19 | 昆山迈致治具科技有限公司 | Rollover test jig |
| CN104197906A (en) * | 2014-09-15 | 2014-12-10 | 瑞安市顺风航仪有限公司 | Axle needle of magnetic compass and application of ball pen point in manufacture of axle needle of magnetic compass |
| CN106595622B (en) * | 2015-10-16 | 2024-02-13 | 上海乐今通信技术有限公司 | Compass test fixture |
| CN106595622A (en) * | 2015-10-16 | 2017-04-26 | 上海乐今通信技术有限公司 | Compass testing fixture |
| CN106597033A (en) * | 2016-12-23 | 2017-04-26 | 东莞华贝电子科技有限公司 | Earth induction testing clamp and earth induction testing method |
| CN108253951B (en) * | 2016-12-29 | 2021-11-19 | 北京卓翼智能科技有限公司 | Unmanned aerial vehicle auxiliary calibration device and method for calibrating unmanned aerial vehicle by using same |
| CN108253951A (en) * | 2016-12-29 | 2018-07-06 | 北京卓翼智能科技有限公司 | Unmanned plane auxiliary calibration device and the method using its calibration unmanned plane |
| CN110260848A (en) * | 2019-07-08 | 2019-09-20 | 中国电建集团成都勘测设计研究院有限公司 | Geologic body strike-dip survey method in compass, electromagnetism interference compass and tunnel |
| CN110260848B (en) * | 2019-07-08 | 2021-06-04 | 中国电建集团成都勘测设计研究院有限公司 | Compass, anti-electromagnetic interference compass and method for measuring geologic body occurrence in tunnel |
| CN111272160A (en) * | 2020-03-27 | 2020-06-12 | 上海菲恒生活用品有限公司 | Precision automatic testing device for compass with transparent chassis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20111219 |