CN204329980U - A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable - Google Patents
A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable Download PDFInfo
- Publication number
- CN204329980U CN204329980U CN201420705677.0U CN201420705677U CN204329980U CN 204329980 U CN204329980 U CN 204329980U CN 201420705677 U CN201420705677 U CN 201420705677U CN 204329980 U CN204329980 U CN 204329980U
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- axle
- hole deviation
- instrument over
- over glaze
- scrambler
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Abstract
A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable, it comprises one by being connected with the mechanical stage body of operation bench without magnetoelectricity cable, described mechanical stage body comprises an azimuth axle, described azimuth axle is provided with the hole deviation axle system be made up of hole deviation axle left axle system and the right axle system of hole deviation axle, an instrument over glaze system is provided with between described hole deviation axle left axle system and the right axle system of hole deviation axle, described hole deviation axle left axle system, the right axle system of hole deviation axle are connected by transmission shaft with between instrument over glaze system, in described instrument over glaze system, vertically arranged instrument over glaze are gripped with one by formula part; In described azimuth axle, hole deviation axle system, be respectively arranged with conducting slip ring, scrambler and motor, and in instrument over glaze system, be respectively arranged with scrambler and motor; It has rational in infrastructure, compact, uses, installs, manipulation is convenient, can make to make inertial navigation system by Magnetic Sensor as critical piece, and carry out on ground testing, calibration, the features such as test use such as hardware-in-the-loop simulation.
Description
Technical field
The utility model relates to a kind of electric dynamic triaxial without magnetic teleclinometer verification turntable, belongs to inertial navigation field.
Background technology
Along with the development of new technology and the demand of industrial activity, it is more and more extensive that the use of earth magnetism class inertial navigation system becomes, the sensitivity of magnetoresistive transducer is generally 80nT, so require to be comprised calibration on ground, testing apparatus by the test specimen radius 10cm place distortion of field≤40nT().
Although traditional turntable can accomplish high precision, can not accomplish without magnetic, so just cause earth magnetism class inertial navigation system effectively to test and calibration, have a strong impact on the carrying out of industrial activity.
Summary of the invention
The purpose of this utility model is the deficiency overcoming above-mentioned existence, there is provided a kind of rational in infrastructure, compact, use, install, manipulate conveniently, can make to make inertial navigation system by Magnetic Sensor as critical piece, and carry out on ground testing, calibration, the test such as hardware-in-the-loop simulation electric dynamic triaxial without magnetic teleclinometer verification turntable.
The purpose of this utility model has been come by following technical solution, a kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable, it comprises one by being connected with the mechanical stage body of operation bench without magnetoelectricity cable, described mechanical stage body comprises an azimuth axle, described azimuth axle is provided with the hole deviation axle system be made up of hole deviation axle left axle system and the right axle system of hole deviation axle, an instrument over glaze system is provided with between described hole deviation axle left axle system and the right axle system of hole deviation axle, the left axle system of described hole deviation axle, the right axle system of hole deviation axle is connected by transmission shaft with between instrument over glaze system, in described instrument over glaze system, vertically arranged instrument over glaze is gripped with one by formula part, in described azimuth axle, hole deviation axle system, be respectively arranged with conducting slip ring, scrambler and motor, and be respectively arranged with scrambler and motor in instrument over glaze system.
Described azimuth axle forms primarily of base, azimuth axis, worm and gear gear, scrambler, conducting ring and motor, described azimuth axis is at least vertically disposed in the middle of base by upper and lower two groups of bearings, and azimuth axis to be driven with the azimuth axle motor being placed in chassis outer side wall by the worm and gear of gear and is connected; Outside the axle of azimuth axis, scrambler is installed and as angle measurement element, is provided with in azimuth axis axle in order to transmission of electric signals and measuring-signal to the conducting slip ring of operation bench;
Described hole deviation axle system is primarily of hole deviation axle left axle system, hole deviation axle right axle system, the U-shaped support with base, conducting ring, scrambler, motor composition; Be fixed on described azimuth axis in the middle of the base of U-shaped support bottom, two upper ends of U-shaped support are respectively arranged with hole deviation axle left axle system and the right axle system of hole deviation axle, wherein the hole deviation axle axle of the left axle system of hole deviation axle installs the scrambler as angle measurement element outward, is provided with the conducting slip ring in order to transmission measurement signal in hole deviation axle left axle system axle; Be connected with the motor be arranged on U-shaped stent outer wall by gear and Worm and worm-wheel gearing at the jackshaft of described hole deviation axle right axle system.
Be provided with instrument over glaze system between described hole deviation axle left axle system and the right axle system of hole deviation axle, this instrument over glaze owner will be made up of instrument over glaze, axle box, scrambler, motor; Described instrument over glaze is the central siphon of a hollow, it is at least vertically mounted on the centre of axle box by upper and lower two groups of bearings, the two ends up and down of this instrument over glaze are configured with respectively and are nested with in instrument over glaze by the tapered sleeve nut of formula part for clamping, instrument over glaze is connected with motor by Worm and worm-wheel gearing, and the axle on described instrument over glaze is at least provided with the scrambler as angle measurement element outward.
Motor and the electromagnetic brake of described instrument over glaze system all take electric shield measure; Electric shield measure also taked by the scrambler that instrument over glaze is installed; Electric shield measure also taked by the scrambler that the axle of described azimuth axle is installed outward; Motor in described instrument over glaze system and electromagnetic brake all take electric shield measure, and electric shield measure also taked by the scrambler that instrument over glaze system axle is installed outward; Described conducting ring adopts electric brush type structure, primarily of rotor leading wire, conduction ring plate, brush wires, brush carrier, stator lead, armature spindle, bearing, ring flange, stator case composition.
The utility model can make described instrument over glaze (electronic) rotating speed 1200rpm (during load≤5kg), 600rpm (during load 10kg); Hole deviation axle (electronic) rotating speed 0 ~ 60rpm; Azimuth axis (electronic) rotating speed 0 ~ 1rpm, turntable is less than the rotation platform of 40nT by radius 10cm region, test specimen installation site magnetic intensity; It has rational in infrastructure, compact, uses, installs, manipulation is convenient, can make to make inertial navigation system by Magnetic Sensor as critical piece, and carry out on ground testing, calibration, the features such as test use such as hardware-in-the-loop simulation.
Accompanying drawing explanation
Fig. 1 is that electric dynamic triaxial described in the utility model is without magnetic turret systems structural drawing;
Fig. 2 is azimuth axle structural drawing described in the utility model;
Fig. 2-1 is the A direction view of Fig. 2;
Fig. 3 is hole deviation shafting structure figure described in the utility model;
Fig. 3-1 is the B direction view of Fig. 3;
Fig. 4 is tool-face shafting structure figure described in the utility model;
Fig. 4-1 is the C direction view of Fig. 4;
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.Shown in Fig. 1, the electric dynamic triaxial of one described in the utility model is without magnetic teleclinometer verification turntable, it comprises one by being connected with the mechanical stage body of operation bench without magnetoelectricity cable, described mechanical stage body comprises an azimuth axle 1, described azimuth axle 1 is provided with the hole deviation axle system 2 be made up of hole deviation axle left axle system and the right axle system of hole deviation axle, an instrument over glaze system 3 is provided with between described hole deviation axle left axle system and the right axle system of hole deviation axle, the left axle system of described hole deviation axle, the right axle system of hole deviation axle is connected by transmission shaft with between instrument over glaze system 3, in described instrument over glaze system 3, vertically arranged instrument over glaze is equipped with one by formula part 4 by tapered sleeve nut clip, in described azimuth axle 1, hole deviation axle system 2, be respectively arranged with conducting slip ring, scrambler and motor, and be respectively arranged with scrambler and motor in instrument over glaze system 3.
Shown in Fig. 2,2-1, described azimuth axle 1 forms primarily of pedestal 11, azimuth axis 12, worm and gear gear 13, scrambler 14, conducting ring 15 and motor 16, described azimuth axis 12 is at least vertically disposed in the middle of support 11 by upper and lower two groups of bearings 17, and azimuth axis 12 to be driven with the azimuth axle motor 16 being placed in support 11 lateral wall by the worm-and-wheel gear 13 of gear and is connected; Scrambler 14 is installed and as angle measurement element outside the axle of azimuth axis 12, is provided with in azimuth axis 12 axle in order to transmission of electric signals and measuring-signal to the conducting ring 15 of operation bench; Scale vernier 18. is also provided with on the top of base
Shown in Fig. 3,3-1, described hole deviation axle system 2 forms primarily of hole deviation axle left axle system 21, hole deviation axle right axle system 22, the U-shaped support 24 with base 23, conducting ring 25, scrambler 26, motor 27; Be fixed on described azimuth axis 12 in the middle of the base 23 of U-shaped support 24 bottom, two upper ends of U-shaped support 24 are respectively arranged with hole deviation axle left axle system 21 and the right axle system 22 of hole deviation axle, wherein the hole deviation axle axle of the left axle system 21 of hole deviation axle installs the scrambler 26 as angle measurement element outward, is provided with the conducting ring 25 in order to transmission measurement signal in hole deviation axle left axle system axle; Be connected with the motor 27 be arranged on U-shaped support 24 lateral wall by gear and Worm and worm-wheel gearing 29 at the jackshaft 28 of described hole deviation axle right axle system; Jackshaft 28 outboard end is provided with scale vernier 20.
Shown in Fig. 4,4-1, be provided with instrument over glaze system 3 between described hole deviation axle left axle system 21 and the right axle system 22 of hole deviation axle, this instrument over glaze system 3 forms primarily of instrument over glaze 31, axle box 32, scrambler 33, motor 34; Described instrument over glaze 31 is the central siphon of a hollow, it is at least vertically mounted on the centre of axle box 32 by upper and lower two groups of bearings 35, the two ends up and down of this instrument over glaze 31 are configured with respectively and are nested with in instrument over glaze by the tapered sleeve nut 36 of formula part 4 for clamping, instrument over glaze 31 is connected with motor 34 by Worm and worm-wheel gearing 37, and the axle on described instrument over glaze 31 is at least provided with the scrambler 33 as angle measurement element outward.
Motor and the electromagnetic brake of instrument over glaze system described in the utility model all take electric shield measure; Electric shield measure also taked by the scrambler that instrument over glaze is installed; Electric shield measure also taked by the scrambler that the axle of described azimuth axle is installed outward; Motor in described instrument over glaze system and electromagnetic brake all take electric shield measure, and electric shield measure also taked by the scrambler that instrument over glaze system axle is installed outward.Conducting ring described in the utility model adopts electric brush type structure, primarily of rotor leading wire, conduction ring plate, brush wires, brush carrier, stator lead, armature spindle, bearing, ring flange, stator case composition; In three axle systems described in the utility model, motor used all selects supersonic motor.
Azimuth axis axle based material described in the utility model is selected without the duralumin of magnetic, H68 copper, nylon and pottery, base and drive transmission device parts adopt cast without magnetic cast aluminium, without magnetic duralumin 2A12 and a small amount of aldary; Described hole deviation axle axle based material is selected without the duralumin of magnetic, H68 copper, nylon and pottery, U-shaped support and drive transmission device parts adopt cast without magnetic cast aluminium, without magnetic duralumin 2A12 and a small amount of aldary; Described instrument over glaze axle based material is selected without the duralumin of magnetic, H68 copper, nylon and pottery, support housing and drive transmission device parts adopt cast without magnetic cast aluminium, without magnetic duralumin 2A12 and a small amount of aldary.
Embodiment: as shown in Figure 1: electric dynamic triaxial described in the utility model, without magnetic turntable, which comprises at least: mechanical stage body and operation bench, wherein said mechanical stage body comprises: the compositions such as azimuth axle, hole deviation axle system, instrument over glaze system; Described with operation bench primarily of compositions such as power supply, angular displacement measuring circuit, portable computer and monitoring of software.
Electricity dynamic triaxial can realize the perform region distortion of field≤40nT without magnetic turntable, so design is considered without magnetic requirement.
1) selection material: it is main that turntable machinery stage body adopts without magnetic duralumin 2A12 and cast aluminium 105, and part adopts H68 copper, and bearing adopts the sliding bearing of stupalith rolling bearing and polytetrafluoroethylmaterial material development.
2) parts: the scrambler of customization non-magnetic material, as precision angle element, customizes the conducting slip ring of non-magnetic material.
3) line design is considered without magnetic wire and without magnetoelectricity connector.
4) mounting position of motor is away from by test specimen installation region, and takes electric shield measure, ensures the perform region distortion of field≤40nT.
Described in Fig. 2,2-1, azimuth axle described in the utility model is primarily of compositions such as base, worm and gear gear, latch mechanism, scrambler, conducting ring and motors.
Azimuth axis adopts motor to drive, and worm and gear gear, ratio of gear is 60:1, and electric shield measure taked by motor.
Azimuth axis axle installs scrambler outward as angle measurement element, takes electric shield measure.In azimuth axis axle, conducting slip ring is installed, in order to transmission of electric signals and measuring-signal.
Azimuth axis axle based material is selected without the duralumin of magnetic, H68 copper, nylon and pottery etc., the parts such as base and drive transmission device adopt cast without magnetic cast aluminium, without magnetic duralumin 2A12 and a small amount of aldary etc.
When manufacturing and designing conducting slip ring and scrambler, material and parts must detect magnetic field intensity and capability of electromagnetic shielding.
Electricity dynamic triaxial comprises control desk electrical equipment and turntable electrical equipment two parts without magnetic turntable electrical system.
Turntable electrical equipment comprises scrambler, conducting slip ring, motor and electromagnetic brake, and the angular coding information of generation is sent to control desk by scrambler and conducting slip ring respectively
Shown in Fig. 3,3-1, hole deviation axle system described in the utility model is primarily of compositions such as hole deviation axle left axle system, hole deviation axle right axle system, U-shaped base support housing, conducting ring, scrambler, motor and electromagnetic brakes.
Hole deviation axle axle installs scrambler outward as angle measurement element, and electric shield measure, at the left end of hole deviation axle, is taked in installation site.In hole deviation axle left axle system axle, conducting slip ring is installed, in order to transmission measurement signal; Hole deviation axle right axle system axle installs conducting slip ring outward, in order to transmission of electric signals.
Hole deviation axle axle based material is selected without the duralumin of magnetic, H68 copper, nylon and pottery etc., the parts such as U-shaped base support housing and drive transmission device adopt cast without magnetic cast aluminium, without magnetic duralumin 2A12 and a small amount of aldary etc.
Shown in Fig. 4,4-1, instrument over glaze owner described in the utility model will be made up of instrument over glaze, axle box, scrambler, motor and electromagnetic brake etc.
Instrument over glaze is driven by motor, and band electromagnetic brake is to realize controlling positioning function, and motor and electromagnetic brake all take electric shield measure.On instrument over glaze, axle installs scrambler outward as angle measurement element, takes electric shield measure.
Instrument over glaze axle based material is selected without the duralumin of magnetic, H68 copper, nylon and pottery etc., the parts such as support housing and drive transmission device adopt cast without magnetic cast aluminium, without magnetic duralumin 2A12 and a small amount of aldary etc.
Three axles described in the utility model are used for synchronous acquisition from the data of turntable without magnetic turntable upper computer software, and result are shown in real time, store.Software function can be divided into following 4 modules:
1, synchronous acquisition: the driving of calling multi-serial-port card, the turntable data received with certain frequency sampling multi-serial-port card.The information refreshing frequency of measured piece is 200Hz, and the information refreshing frequency of angular encoder is 1KHz.Timeslice due to Windows XP system is 1ms, and also have calculating after the sampling, store and display task, system task also will account for the timeslice of about 1% in addition.Therefore get upper computer software sample frequency and get 50Hz, each sampling obtains in 20 groups, in, outer shaft angular encoder Frame and 5 measured piece Frames.
2, real time parsing: according to the primary data information (pdi) from interior axle angular encoder, calculates the Angle Position data that each axle is corresponding, and can calculate angular speed according to the Angle Position calculated.Computing method are: refresh the time difference with adjacent two Angle Position side-play amounts divided by the information of angular encoder, consider that main story positional value at reference zero place overflows and the special circumstances of rotary position value borrow.
3, store: when starting upper computer software each time, automatic name test name and path, during storage, filename is then for test name adds each self-corresponding suffix TXT file (interior axle suffix :-NY.txt, axis suffix :-ZY.txt, outer shaft suffix :-WY.txt, by test specimen suffix :-BeiShi.txt), by sampling, in, outer shaft angular encoder Frame, measured piece Frame, is written in respective file.
4, show: by Angle Position and angular rate information, be presented on a graphical interfaces, be sent on slave display, for turntable operating personnel reference.On another graphical interfaces, grouping display Angle Position, angular speed and measured piece data frame information, display frequency is 10Hz.
5, resolve: by the raw data of each axle stored, resolve according to correspondence position, in the TXT file after the information such as Angle Position, angular velocity, angular acceleration that parse are kept at respective parsing afterwards afterwards.
Claims (4)
1. an electric dynamic triaxial is without magnetic teleclinometer verification turntable, it comprises one by being connected with the mechanical stage body of operation bench without magnetoelectricity cable, it is characterized in that described mechanical stage body comprises an azimuth axle, described azimuth axle is provided with the hole deviation axle system be made up of hole deviation axle left axle system and the right axle system of hole deviation axle, an instrument over glaze system is provided with between described hole deviation axle left axle system and the right axle system of hole deviation axle, the left axle system of described hole deviation axle, the right axle system of hole deviation axle is connected by transmission shaft with between instrument over glaze system, in described instrument over glaze system, vertically arranged instrument over glaze is gripped with one by formula part, in described azimuth axle, hole deviation axle system, be respectively arranged with conducting slip ring, scrambler and motor, and be respectively arranged with scrambler and motor in instrument over glaze system.
2. electric dynamic triaxial according to claim 1 is without magnetic teleclinometer verification turntable, it is characterized in that described azimuth axle forms primarily of base, azimuth axis, worm and gear gear, scrambler, conducting ring and motor, described azimuth axis is at least vertically disposed in the middle of base by upper and lower two groups of bearings, and azimuth axis to be driven with the azimuth axle motor being placed in chassis outer side wall by the worm and gear of gear and is connected; Outside the axle of azimuth axis, scrambler is installed and as angle measurement element, is provided with in azimuth axis axle in order to transmission of electric signals and measuring-signal to the conducting slip ring of operation bench;
Described hole deviation axle system is primarily of hole deviation axle left axle system, hole deviation axle right axle system, the U-shaped support with base, conducting ring, scrambler, motor composition; Be fixed on described azimuth axis in the middle of the base of U-shaped support bottom, two upper ends of U-shaped support are respectively arranged with hole deviation axle left axle system and the right axle system of hole deviation axle, wherein the hole deviation axle axle of the left axle system of hole deviation axle installs the scrambler as angle measurement element outward, is provided with the conducting slip ring in order to transmission measurement signal in hole deviation axle left axle system axle; Be connected with the motor be arranged on U-shaped stent outer wall by gear and Worm and worm-wheel gearing at the jackshaft of described hole deviation axle right axle system.
3. electric dynamic triaxial according to claim 1 and 2 is without magnetic teleclinometer verification turntable, it is characterized in that being provided with instrument over glaze system between described hole deviation axle left axle system and the right axle system of hole deviation axle, this instrument over glaze owner will be made up of instrument over glaze, axle box, scrambler, motor; Described instrument over glaze is the central siphon of a hollow, it is at least vertically mounted on the centre of axle box by upper and lower two groups of bearings, the two ends up and down of this instrument over glaze are configured with respectively and are nested with in instrument over glaze by the tapered sleeve nut of formula part for clamping, instrument over glaze is connected with motor by Worm and worm-wheel gearing, and the axle on described instrument over glaze is at least provided with the scrambler as angle measurement element outward.
4. electric dynamic triaxial according to claim 3 is without magnetic teleclinometer verification turntable, it is characterized in that the motor of described instrument over glaze system and electromagnetic brake all take electric shield measure; Electric shield measure also taked by the scrambler that instrument over glaze is installed; Electric shield measure also taked by the scrambler that the axle of described azimuth axle is installed outward; Motor in described instrument over glaze system and electromagnetic brake all take electric shield measure, and electric shield measure also taked by the scrambler that instrument over glaze system axle is installed outward; Described conducting ring adopts electric brush type structure, primarily of rotor leading wire, conduction ring plate, brush wires, brush carrier, stator lead, armature spindle, bearing, ring flange, stator case composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420705677.0U CN204329980U (en) | 2014-11-21 | 2014-11-21 | A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420705677.0U CN204329980U (en) | 2014-11-21 | 2014-11-21 | A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable |
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| CN204329980U true CN204329980U (en) | 2015-05-13 |
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| CN201420705677.0U Expired - Fee Related CN204329980U (en) | 2014-11-21 | 2014-11-21 | A kind of electric dynamic triaxial is without magnetic teleclinometer verification turntable |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912542A (en) * | 2015-05-19 | 2015-09-16 | 中国地质科学院探矿工艺研究所 | Inclinometer calibration device for simulating nonmagnetic ultrahigh temperature condition |
| CN105134172A (en) * | 2015-07-31 | 2015-12-09 | 中石化石油工程技术服务有限公司 | Triaxial wireless inclinometer verification rack and use method for same |
| CN105445764A (en) * | 2015-11-13 | 2016-03-30 | 上海华测导航技术股份有限公司 | Spatial attitude accuracy test method for GNSS receivers |
| CN107829721A (en) * | 2017-09-21 | 2018-03-23 | 中国科学院地质与地球物理研究所 | A kind of dynamic checkout unit suitable for drilling tool attitude measurement module |
| CN107917144A (en) * | 2017-10-31 | 2018-04-17 | 北京航天计量测试技术研究所 | Ultralow disturbance torque rotary axis system |
| CN115355813A (en) * | 2022-10-21 | 2022-11-18 | 北京科技大学 | High-precision three-axis nonmagnetic test turntable system |
| CN116256003A (en) * | 2023-03-08 | 2023-06-13 | 青岛智腾微电子有限公司 | Full-automatic triaxial non-magnetic constant temperature calibration stand |
| CN116448144A (en) * | 2023-03-08 | 2023-07-18 | 青岛智腾微电子有限公司 | Full-automatic triaxial non-magnetic constant-temperature calibration stand and automatic calibration method for avionic attitude indicator |
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- 2014-11-21 CN CN201420705677.0U patent/CN204329980U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104912542A (en) * | 2015-05-19 | 2015-09-16 | 中国地质科学院探矿工艺研究所 | Inclinometer calibration device for simulating nonmagnetic ultrahigh temperature condition |
| CN105134172B (en) * | 2015-07-31 | 2018-07-06 | 中石化石油工程技术服务有限公司 | A kind of three axis wireless drilling inclinometers calibration frames |
| CN105134172A (en) * | 2015-07-31 | 2015-12-09 | 中石化石油工程技术服务有限公司 | Triaxial wireless inclinometer verification rack and use method for same |
| CN105445764A (en) * | 2015-11-13 | 2016-03-30 | 上海华测导航技术股份有限公司 | Spatial attitude accuracy test method for GNSS receivers |
| CN107829721B (en) * | 2017-09-21 | 2018-10-30 | 中国科学院地质与地球物理研究所 | A kind of dynamic checkout unit suitable for drilling tool attitude measurement module |
| CN107829721A (en) * | 2017-09-21 | 2018-03-23 | 中国科学院地质与地球物理研究所 | A kind of dynamic checkout unit suitable for drilling tool attitude measurement module |
| CN107917144A (en) * | 2017-10-31 | 2018-04-17 | 北京航天计量测试技术研究所 | Ultralow disturbance torque rotary axis system |
| CN107917144B (en) * | 2017-10-31 | 2019-08-13 | 北京航天计量测试技术研究所 | Ultralow disturbance torque rotary axis system |
| CN115355813A (en) * | 2022-10-21 | 2022-11-18 | 北京科技大学 | High-precision three-axis nonmagnetic test turntable system |
| CN115355813B (en) * | 2022-10-21 | 2023-03-24 | 北京科技大学 | High-precision three-axis nonmagnetic test turntable system |
| CN116256003A (en) * | 2023-03-08 | 2023-06-13 | 青岛智腾微电子有限公司 | Full-automatic triaxial non-magnetic constant temperature calibration stand |
| CN116448144A (en) * | 2023-03-08 | 2023-07-18 | 青岛智腾微电子有限公司 | Full-automatic triaxial non-magnetic constant-temperature calibration stand and automatic calibration method for avionic attitude indicator |
| CN116256003B (en) * | 2023-03-08 | 2023-10-24 | 青岛智腾微电子有限公司 | Full-automatic triaxial non-magnetic constant temperature calibration stand |
| CN116448144B (en) * | 2023-03-08 | 2023-12-05 | 青岛智腾微电子有限公司 | Full-automatic triaxial non-magnetic constant-temperature calibration stand and automatic calibration method for avionic attitude indicator |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20171121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |