CN205450846U - Temperature -control circuit and corresponding marine gravimeter stabilized platform control system - Google Patents
Temperature -control circuit and corresponding marine gravimeter stabilized platform control system Download PDFInfo
- Publication number
- CN205450846U CN205450846U CN201620193061.9U CN201620193061U CN205450846U CN 205450846 U CN205450846 U CN 205450846U CN 201620193061 U CN201620193061 U CN 201620193061U CN 205450846 U CN205450846 U CN 205450846U
- Authority
- CN
- China
- Prior art keywords
- temperature
- motor
- signal
- control
- heating plate
- 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.)
- Expired - Fee Related
Links
Landscapes
- Control Of Electric Motors In General (AREA)
Abstract
The utility model provides a temperature -control circuit and corresponding marine gravimeter stabilized platform control system relates to the foreign gravity measurement field of boat. Temperature -control circuit includes thermistor, correction module, comparator, drive interconnected circuit, power amplifier and heating plate, and thermistor, correction module, comparator, power amplifier, drive interconnected circuit and heating plate connect gradually, accelerometer and acceleration analog to digital conversion circuit's temperature is detected through thermistor, and send this temperature signal to correction module with the form of electric current, send after correction module rectifies this temperature signal to the comparator and contrast with the temperature signal that prestores, the volume of obtaining the temperature variation, power amplifier is after with current amplification, convey again to the heating plate, the heating plate generates heat under the effect of electric current, and make this temperature be in balanced state, with carry high acceleration count with the precision of acceleration analog to digital conversion circuit's measurement and transmission, thereby improve marine gravimeter's measurement accuracy.
Description
Technical field
The present invention relates to gravity measurement field, ocean of navigating, in particular to a kind of temperature-control circuit and corresponding marine gravitometer Control System of Stable Platform.
Background technology
Marine gravitometer is the gravimeter used on ships or in submarine.In ocean under uniform rectilinear's navigation condition; carry out gravity measurement continuously, owing to instrument is placed on the hull of motion, often by pitching and the roll equal angular movement of the carriers such as naval vessel; and normal acceleration, horizontal acceleration, basement tilt etc. affect, gravimetric precision can reduce.Therefore, adjust the position of marine gravitometer, be allowed to become the difficult problem of current sea gravity measurement with ground vertical line keeping parallelism.
The accelerometer and the acceleration analog to digital conversion circuit that apply in marine gravitometer are the highest to the requirement of temperature, and the relatively low and unstable meeting of temperature of accelerometer or acceleration analog to digital conversion circuit brings error to measurement.
Summary of the invention
In view of this, this utility model provides a kind of temperature-control circuit and corresponding marine gravitometer Control System of Stable Platform, to improve in prior art in marine gravitometer Control System of Stable Platform owing to temperature is relatively low and unstable causes the coarse problem of sea gravity measurement.
For achieving the above object, the following technical scheme of this utility model offer:
A kind of temperature-control circuit, including critesistor, correction module, comparator, driving coupling circuit, power amplifier and heating plate, described critesistor, described correction module, described comparator, described power amplifier, described driving coupling circuit and described heating plate are sequentially connected with；
Described critesistor is for detecting the temperature of device under test, and the temperature signal of the temperature of described device under test is sent in the form of electric current to described correction module, described correction module is for being corrected described temperature signal, described comparator is for contrasting the temperature signal received with the temperature signal preset, obtain temperature variation, described driving couples circuit for being sent in described power amplifier by described temperature variation, described power amplifier is for by Current amplifier, it is resent to described heating plate, described heating plate improves the temperature of described detection device under test under the effect of electric current.
Preferably, this temperature-control circuit also includes that frequency source, described frequency source are connected with described comparator.
Preferably, described critesistor is additionally operable to detect the temperature of described heating plate, and sends the described temperature signal detected to described correction module.
A kind of marine gravitometer Control System of Stable Platform, including said temperature control circuit, also include controlling device, data acquisition unit and motor, described data acquisition unit includes accelerometer and acceleration analog to digital conversion circuit, described accelerometer is for detecting the change of the acceleration of marine gravitometer stabilized platform, and this acceleration change value is converted to the signal of telecommunication by described acceleration analog to digital conversion circuit, described control device is for receiving the signal of telecommunication that described data acquisition unit gathers, and calculate according to algorithm set in advance according to the described signal of telecommunication, control described electric machine rotation, to adjust the horizontal level of marine gravitometer stabilized platform；Described device under test is described accelerometer and described acceleration analog to digital conversion circuit, and described temperature-control circuit is for being controlled the temperature of described accelerometer and described acceleration analog to digital conversion circuit.
Preferably, described critesistor is for detecting described accelerometer and the temperature of described acceleration analog to digital conversion circuit.
Preferably, marine gravitometer stabilized platform includes pedestal, framework and stage body, described stage body is used for installing marine gravitometer, described framework is rotatably connected at the receiving intracavity of described pedestal, described pedestal is provided with the first motor for driving described frame member, described stage body is rotatably connected at described pedestal, and described framework is provided with the second motor for driving described stage body to rotate.
Preferably, described data acquisition unit includes gyro sensor, described gyro sensor is arranged at described stage body, described gyro sensor is for sensing the deviation angle of described stage body and exporting the gyroscope signal mated with deviation angle, described control device includes digital control module, described digital control module and described gyro sensor, first motor, second motor electrical connection, described digital control module is used for receiving described gyroscope signal, and calculate according to algorithm set in advance according to this gyroscope signal, to control described first motor and the second electric machine rotation, to adjust described framework and the horizontal level of stage body.
Preferably, described control device be additionally operable to judge the signal of telecommunication that described data acquisition unit gathers whether in default scope, when this signal of telecommunication cuts off described first motor and the power supply of the second motor beyond the scope preset, described control device.
Preferably, described control device also includes relay, and described control device cuts off described first motor and the power supply of the second motor by described relay.
Preferably, described first motor and described second motor are torque motor.
Relative to prior art, this utility model includes following beneficial effect:
nullThe temperature-control circuit that this utility model provides is for being controlled the temperature of described accelerometer and described acceleration analog to digital conversion circuit，Described accelerometer and the temperature of described acceleration analog to digital conversion circuit is detected by critesistor，And this temperature signal is sent in the form of electric current to described correction module，Described correction module sends after being corrected by this temperature signal to comparator and the temperature signal prestored and contrasts，Obtain temperature variation，Coupling circuit is driven to be sent in described power amplifier by described temperature variation，Described power amplifier is by after Current amplifier，It is resent to described heating plate，Described heating plate generates heat under the effect of electric current，To improve described accelerometer and the temperature of described acceleration analog to digital conversion circuit，And make this temperature be in poised state，To improve accelerometer and the measurement of acceleration analog to digital conversion circuit and the precision of transmission，So that marine gravitometer is more preferable and ground vertical line keeping parallelism，Thus improve the certainty of measurement of marine gravitometer.
Accompanying drawing explanation
For clearer explanation this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the marine gravitometer Control System of Stable Platform that this utility model embodiment is provided.
Fig. 2 is the functional module framework figure of the marine gravitometer Control System of Stable Platform that this utility model embodiment is provided.
Fig. 3 is the functional module framework figure of the temperature-control circuit that this utility model embodiment is provided.
Wherein reference is summarized as follows:
Control device 101；Data acquisition unit 102；First motor 103；Second motor 104；Pedestal 105；Accommodate chamber 106；Stage body 107；Gyro sensor 108；Digital control module 109；First angular transducer 110；Second angular transducer 111；Accelerometer 112；Framework 113；Acceleration analog to digital conversion circuit 114；Temperature-control circuit 200；Critesistor 201；Correction module 202；Drive coupling circuit 203；Power amplifier 204；Heating plate 205；Comparator 206；Marine gravitometer 300.
Detailed description of the invention
Below in conjunction with accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Generally can with various different configurations arrange and design with the assembly of this utility model embodiment that illustrate described in accompanying drawing herein.Therefore, the detailed description to the embodiment of the present utility model provided in the accompanying drawings is not intended to limit claimed scope of the present utility model below, but is merely representative of selected embodiment of the present utility model.Based on embodiment of the present utility model, the every other embodiment that those skilled in the art are obtained on the premise of not making creative work, broadly fall into the scope of this utility model protection.
Refer to Fig. 1, be the structural representation of the marine gravitometer stabilized platform that this utility model embodiment is provided.The marine gravitometer stabilized platform that this utility model embodiment provides is for isolating pitching and the roll equal angular movement of the carriers such as naval vessel, marine gravitometer 300 is remained and ground vertical line level, do not affected by horizontal acceleration, thus improved the certainty of measurement of marine gravitometer 300.The marine gravitometer stabilized platform that this utility model embodiment provides includes pedestal 105, framework 113 and stage body 107, and stage body 107 is used for installing marine gravitometer 300.
Wherein, pedestal 105 is provided with receiving chamber 106, and it can be variously-shaped for accommodating chamber 106, and such as circle, rectangle, polygon etc., this is not limited by this utility model embodiment.Framework 113 is rotationally connected with described pedestal 105, and pedestal 105 is additionally provided with the first motor 103, and this first motor 103 can rotate with driver framework 113.Framework 113 is provided with the second motor 104, and this second motor 104 can drive stage body 107 to rotate.The rotary shaft that framework 113 rotates relative to pedestal 105 is vertical relative to the rotary shaft that framework 113 rotates with stage body 107, and the direction that i.e. framework 113 and stage body 107 rotate is mutually perpendicular to.Here rotary shaft can be understood as virtual axle, i.e. framework 113 relative to pedestal 105 rotate institute around axis and stage body 107 relative to framework 113 rotation around axis.
Preferably, the first motor 103 and the second motor 104 are torque motor.Torque motor is a kind of specific type of electric machine with soft mechanical characteristic and wide speed regulating range, the axle of this motor is not with constant power output power but to export power with constant moment of force, it has the features such as the slow-speed of revolution, high pulling torque, overload capacity is strong, response is fast, characteristics linearity degree is good, torque fluctuations is little, can directly drive load to save under drive gear, thus improve the running precision of system.
Carrying out reference incorporated by reference to Fig. 1 and Fig. 2, Fig. 2 is the functional module framework figure of the marine gravitometer Control System of Stable Platform that this utility model embodiment provides.The marine gravitometer Control System of Stable Platform that this utility model embodiment provides includes controlling device 101 and data acquisition unit 102.Described data acquisition unit 102 characterizes, for gathering, the signal of telecommunication that described marine gravitometer stabilized platform occurs to offset.Described data acquisition unit 102 includes accelerometer 112, gyro sensor the 108, first angular transducer 110 and the second angular transducer 111.Accelerometer 112 and gyro sensor 108 may be contained within stage body 107, and the first angular transducer 110 is arranged at the pedestal 105 of marine gravitometer stabilized platform, and the second angular transducer 111 is arranged at framework 113.
Preferably, gyro sensor 108 is optical fibre gyro, and accelerometer 112 is quartz accelerometer 112.Optical fibre gyro parts are few, instrument firm stable, have stronger shock resistance and the ability of anti-accelerated motion；The optical fiber of coiling is longer, makes detection sensitivity and resolution ratio lasergyro improve several orders of magnitude；, there is not wear problem, thus there is longer service life in mechanical drive disk assembly；It is prone to use integrated optics technique, signal stabilization, and can directly export by numeral, and couple with computer interface；By changing length or the light circulating propagation number of times in coil of optical fiber, it is possible to achieve different precision, and there is wider dynamic range；The propagation time of coherent beam is short, thus can start moment in principle, it is not necessary to preheating；Simple in construction, price are low, and volume is little, lightweight.Quartz accelerometer 112 simple in construction, volume is little, it is fast, highly sensitive to respond.
Described control device 101 includes acceleration analog to digital conversion circuit 114 and digital control module 109, and acceleration analog to digital conversion circuit 114 electrically connects with accelerometer 112.Acceleration analog to digital conversion circuit 114 is for being converted to digital pulse signal by the analog acceleration signal that accelerometer 112 exports.
During accelerometer 112 degree of being accelerated is measured, during the analog acceleration signal recorded being converted to digital signal with acceleration analog to digital conversion circuit 114, the changing value of its acceleration may be the least, and at this time temperature is the biggest to the impact meeting of the transformation process of digital signal for measurement and the analog acceleration signal of acceleration.In practice, in order to ensure accuracy, the temperature required for general acceleration analog to digital conversion circuit 114 and accelerometer 112 is above ambient temperature, and needs temperature to ensure relative equilibrium.
Refer to Fig. 3, be the functional module framework figure of the temperature-control circuit 200 that this utility model embodiment is provided.This temperature-control circuit 200 includes critesistor 201, correction module 202, comparator 206, drives coupling circuit 203, power amplifier 204 and heating plate 205, and described critesistor 201, described correction module 202, described comparator 206, described power amplifier 204, described driving coupling circuit 203 and described heating plate 205 are sequentially connected with.
Described critesistor 201 is for detecting the temperature of device under test, and sends this temperature signal to described correction module 202 in the form of electric current；Described correction module 202 is for being corrected described temperature signal；Described comparator 206, for being contrasted with the temperature signal preset by the temperature signal received, obtains temperature variation；Described driving couples circuit 203 for being sent in described power amplifier 204 by described temperature variation；Described power amplifier 204, for by Current amplifier, is resent to described heating plate 205；Described heating plate 205 improves the temperature of described detection device under test under the effect of electric current.
Preferably, described critesistor 201 can detect the temperature of described heating plate 205, and sends the described temperature signal detected to described correction module 202, reduces the change of temperature further, improves the accuracy of temperature.Described comparator 206 is also associated with frequency source, can be used to produce square wave.
nullDescribed accelerometer 112 and the temperature of described acceleration analog to digital conversion circuit 114 is detected by critesistor 201，And this temperature signal is sent in the form of electric current to described correction module 202，Described correction module 202 sends after being corrected by this temperature signal to comparator 206 and the temperature signal prestored and contrasts，Obtain temperature variation，Coupling circuit 203 is driven to be sent in described power amplifier 204 by described temperature variation，Described power amplifier 204 is by after Current amplifier，It is resent to described heating plate 205，Described heating plate 205 generates heat under the effect of electric current，To improve described accelerometer 112 and the temperature of described acceleration analog to digital conversion circuit 114，And make this temperature be in poised state，Realize the temperature to accelerometer 112 and described acceleration analog to digital conversion circuit 114 to control，To improve accelerometer 112 and the measurement of acceleration analog to digital conversion circuit 114 and the precision of signal transmission，So that marine gravitometer 300 is more preferable and ground vertical line keeping parallelism，Thus improve the certainty of measurement of marine gravitometer 300.
Refer again to Fig. 2, described control device 101 is for receiving the signal of telecommunication that data acquisition unit 102 gathers, and calculate according to algorithm set in advance according to this signal of telecommunication, control the first motor 103 and the second motor 104 rotates, to adjust framework 113 and the horizontal level of stage body 107, so that marine gravitometer 300 and ground vertical line keeping parallelism.
Wherein, the signal of telecommunication that data acquisition unit 102 gathers includes the analog acceleration signal mated with acceleration that accelerometer 112 exports after sensing the acceleration of stage body 107, under the effect of described temperature-control circuit 200, can improve the accuracy of this signal；Can also include gyro sensor 108 sense the deviation angle of stage body 107 after gyroscope signal mate with deviation angle of output, the first angular transducer 110 sense the anglec of rotation of framework 113 after the angle signal of telecommunication mated with the anglec of rotation that exports after sensing the anglec of rotation of stage body 107 of the angle signal of telecommunication mated with the anglec of rotation of output, the second angular transducer 111.
Digital control module 109 electrically connects with acceleration analog to digital conversion circuit 114, gyro sensor the 108, first angular transducer the 110, second angular transducer the 111, first motor the 103, second motor 104.Digital control module 109 is for receiving the digital pulse signal of acceleration analog to digital conversion circuit 114 output, the gyroscope signal of gyro sensor 108 output, first angular transducer 110 and the angle signal of telecommunication of the second angular transducer 111 output, then calculate according to algorithm set in advance according to the signal received above, control signal is exported to the first motor 103 and the second motor 104, control the first motor 103 and the second motor 104 rotates, to adjust framework 113 and the horizontal level of stage body 107, so that marine gravitometer 300 and ground vertical line keeping parallelism, thus improve the certainty of measurement of marine gravitometer 300.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for a person skilled in the art, this utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.It should also be noted that similar label and letter represent similar terms in following accompanying drawing, therefore, the most a certain Xiang Yi accompanying drawing is defined, then need not it be defined further and explains in accompanying drawing subsequently.
In description of the present utility model, it should be noted that, term " " center ", on " ", D score, " left ", " right ", " vertically ", " level ", " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, or this utility model product orientation usually put or position relationship when using, it is for only for ease of description this utility model and simplifies description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " is arranged ", " installation ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
Claims (10)
1. a temperature-control circuit, it is characterized in that, including critesistor, correction module, comparator, driving coupling circuit, power amplifier and heating plate, described critesistor, described correction module, described comparator, described power amplifier, described driving coupling circuit and described heating plate are sequentially connected with；
Described critesistor is for detecting the temperature of device under test, and the temperature signal of the temperature of described device under test is sent in the form of electric current to described correction module, described correction module is for being corrected described temperature signal, described comparator is for contrasting the temperature signal received with the temperature signal preset, obtain temperature variation, described driving couples circuit for being sent in described power amplifier by described temperature variation, described power amplifier is for by Current amplifier, it is resent to described heating plate, described heating plate improves the temperature of described detection device under test under the effect of electric current.
Temperature-control circuit the most according to claim 1, it is characterised in that this temperature-control circuit also includes that frequency source, described frequency source are connected with described comparator.
Temperature-control circuit the most according to claim 1, it is characterised in that described critesistor is additionally operable to detect the temperature of described heating plate, and sends the described temperature signal detected to described correction module.
4. a marine gravitometer Control System of Stable Platform, including the temperature-control circuit described in claim 1-3, it is characterized in that, also include controlling device, data acquisition unit and motor, described data acquisition unit includes accelerometer and acceleration analog to digital conversion circuit, described accelerometer is for detecting the change of the acceleration of marine gravitometer stabilized platform, and this acceleration change value is converted to the signal of telecommunication by described acceleration analog to digital conversion circuit, described control device is for receiving the signal of telecommunication that described data acquisition unit gathers, and calculate according to algorithm set in advance according to the described signal of telecommunication, control described electric machine rotation, to adjust the horizontal level of marine gravitometer stabilized platform；Described device under test is described accelerometer and described acceleration analog to digital conversion circuit, and described temperature-control circuit is for being controlled the temperature of described accelerometer and described acceleration analog to digital conversion circuit.
Marine gravitometer Control System of Stable Platform the most according to claim 4, it is characterised in that described critesistor is for detecting described accelerometer and the temperature of described acceleration analog to digital conversion circuit.
Marine gravitometer Control System of Stable Platform the most according to claim 4, it is characterized in that, marine gravitometer stabilized platform includes pedestal, framework and stage body, described stage body is used for installing marine gravitometer, described framework is rotatably connected at the receiving intracavity of described pedestal, described pedestal is provided with the first motor for driving described frame member, and described stage body is rotatably connected at described pedestal, and described framework is provided with the second motor for driving described stage body to rotate.
Marine gravitometer Control System of Stable Platform the most according to claim 6, it is characterized in that, described data acquisition unit includes gyro sensor, described gyro sensor is arranged at described stage body, described gyro sensor is for sensing the deviation angle of described stage body and exporting the gyroscope signal mated with deviation angle, described control device includes digital control module, described digital control module and described gyro sensor, first motor, second motor electrical connection, described digital control module is used for receiving described gyroscope signal, and calculate according to algorithm set in advance according to this gyroscope signal, to control described first motor and the second electric machine rotation, to adjust described framework and the horizontal level of stage body.
Marine gravitometer Control System of Stable Platform the most according to claim 6, it is characterized in that, described control device is additionally operable to judge that the signal of telecommunication that described data acquisition unit gathers is whether in default scope, when this signal of telecommunication cuts off described first motor and the power supply of the second motor beyond the scope preset, described control device.
Marine gravitometer Control System of Stable Platform the most according to claim 8, it is characterised in that described control device also includes relay, described control device cuts off described first motor and the power supply of the second motor by described relay.
Marine gravitometer Control System of Stable Platform the most according to claim 6, it is characterised in that described first motor and described second motor are torque motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193061.9U CN205450846U (en) | 2016-03-14 | 2016-03-14 | Temperature -control circuit and corresponding marine gravimeter stabilized platform control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620193061.9U CN205450846U (en) | 2016-03-14 | 2016-03-14 | Temperature -control circuit and corresponding marine gravimeter stabilized platform control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205450846U true CN205450846U (en) | 2016-08-10 |
Family
ID=56602794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620193061.9U Expired - Fee Related CN205450846U (en) | 2016-03-14 | 2016-03-14 | Temperature -control circuit and corresponding marine gravimeter stabilized platform control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205450846U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108594318A (en) * | 2018-07-12 | 2018-09-28 | 广州海洋地质调查局 | It is a kind of to be used for underwater gravimeter |
| RU2668954C1 (en) * | 2017-11-20 | 2018-10-05 | Общество с ограниченной ответственностью "СИНЕСТ" | Measuring unit for gravitational gradiometer |
| CN115562392A (en) * | 2022-10-09 | 2023-01-03 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Compound temperature control system based on TEC and heating film |
-
2016
- 2016-03-14 CN CN201620193061.9U patent/CN205450846U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2668954C1 (en) * | 2017-11-20 | 2018-10-05 | Общество с ограниченной ответственностью "СИНЕСТ" | Measuring unit for gravitational gradiometer |
| CN108594318A (en) * | 2018-07-12 | 2018-09-28 | 广州海洋地质调查局 | It is a kind of to be used for underwater gravimeter |
| CN115562392A (en) * | 2022-10-09 | 2023-01-03 | 华中光电技术研究所（中国船舶重工集团公司第七一七研究所） | Compound temperature control system based on TEC and heating film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205450846U (en) | Temperature -control circuit and corresponding marine gravimeter stabilized platform control system | |
| JP3775284B2 (en) | Engine bench system and method for measuring engine characteristics | |
| CN205608210U (en) | Marine gravimeter stabilized platform control system with digit leveling return circuit | |
| CN105607139A (en) | Stabilized platform for marine gravitometer | |
| CN201562075U (en) | Portable there-dimensional laser scanning device | |
| KR100929120B1 (en) | Digital map manufacturing system to apply the geographical information and gps to the numerical value information | |
| CN107064909A (en) | A kind of laser radar directive property stabilizer and laser radar directive property systems stabilisation and a kind of compensation method of laser radar | |
| CN104656158A (en) | Novel marine gravitometer | |
| CN107463187A (en) | Head stability augmentation system | |
| TR201811331T4 (en) | GYROSCOPIC YALPA STABILIZER REGULATION FOR MARINE VEHICLES AND ITS METHOD. | |
| JPH0435704B2 (en) | ||
| CN201181332Y (en) | Laser ranging component | |
| CN106197478A (en) | A kind of magnetic suspension position finder micro-torque detection method | |
| CN205608209U (en) | Marine gravimeter stabilized platform control system with acceleration analog to digital conversion circuit | |
| CN113310471B (en) | High-stability high-precision geographic information mapping device | |
| CN109298630A (en) | A kind of optics auxiliary of nobody low cost optical electricity gondola peculiar to vessel is steady as technology | |
| JPS641727B2 (en) | ||
| CN206208263U (en) | A kind of high-precision Laser Line Marker | |
| US5212657A (en) | Kinetofrictional force testing apparatus | |
| CN105629320A (en) | Marine gravimeter stabilized platform control system | |
| WO2020219564A1 (en) | Optical gyroscope with gain medium and circulating light | |
| CN201707052U (en) | Two-axis hydraulic gyroscope measuring device | |
| CN205594180U (en) | Marine gravimeter stabilized platform control system | |
| CN205594181U (en) | Marine gravimeter stabilized platform's frame set spare | |
| CN205594179U (en) | Marine gravimeter stabilized platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20180314 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |