CN201097241Y - Peg-top temperature control device - Google Patents
Peg-top temperature control device Download PDFInfo
- Publication number
- CN201097241Y CN201097241Y CNU200720094575XU200720094575XU CN200720094575U CN201097241Y CN 201097241 Y CN201097241 Y CN 201097241Y CN U200720094575XU200720094575X U CNU200720094575XU200720094575X U CN U200720094575XU200720094575XU CN 200720094575 U CN200720094575 U CN 200720094575U CN 201097241 Y CN201097241 Y CN 201097241Y
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- gyro
- relay
- digital signal
- temperature
- thermistor
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Abstract
The utility model relates to a gyro temperature control device, which comprises a sensor, an analog-to-digital conversion module, a digital signal processor, a relay and a heater; signals which are acquired through the sensor, are converted through the analog-to-digital conversion module, and are associated with the gyro operating temperature are transmitted to the digital signal processor, after the digital signal processor performs smoothing filter to the signals, the difference value between the gyro operating temperature and the standard operating temperature is calculated, the controlled quantity is calculated according to the difference value, the duty ratio of the pulse-width modulation wave is adjusted and output, the heating time is adjusted for the heater through the relay, and the gyro operating temperature is stabilized at the standard operating temperature. The gyro temperature control device adopts the digital signal processor as the controller, has simple circuit structure, good rapidity, high precision and good stability, enables the gyro operating temperature to be stabilized within a range of 73 plus or minus 0.1 DEG C, not only ensures the stability of the gyro performance, but also avoids the influence of the gyro operating temperature to the gyro constant drift.
Description
Technical field
The utility model relates to a kind of gyro temperature control equipment.
Background technology
Inertia is sought the important component part that northern technology is the inertial technology field.Along with the development of accurate measuring technique, seek north location and all multi-methods also occurred as multiple high precision north finding methods such as inertia method, the method for observation, geodesic method, satnav method, object of reference methods.But in the tunnel, wait under the specific conditions such as complex-terrain and complicated weather environment under water, the method for observation, geodesic method, satnav method and object of reference method all can be subjected to conditionality in various degree, and perhaps precision is low, perhaps can't implement at all.Have only the inertia method could not be subjected to the interference of natural conditions or environment, independently finish and seek northern task, and have characteristics such as stream time length, precision height.Therefore, the using value that the research of inertia north finding method is had its uniqueness.
In recent years, development along with airmanship, low-cost, quick, high accuracy gyroscope north finding device has obtained using widely with the advantage of its uniqueness in a lot of fields, as more and more demonstrating wide application prospect in the civil engineering fields such as tunnel construction, mining, geodetic surveying, resource exploration.Therefore, the research of carrying out the gyroscope north searching device has important meaning.
Moving accent gyro is a kind of high temperature gyro, and operating ambient temperature can directly influence its bearing accuracy and positioning time.When operating ambient temperature during at 73 ± 0.1 ℃ every working index reach optimum state.
China's inertial technology journal the 10th volume the 2nd phase (in April, 2002 publication) discloses " orientation of adjusting based on genetic algorithm parameter keeps the instrument temperature control system ".This system mainly adopts single-chip microcomputer to gather ambient temperature signal as controller, the calculation control amount, and export the wide ripple of accent according to controlled quentity controlled variable and with the control heating arrangement operating ambient temperature is regulated.But because there is the peripheral circuit complexity in single-chip microcomputer, anti-interference is poor when gathering simulated data, data bits is few, precision is low, processing waits shortcoming several times slowly, adopt single-chip microcomputer as controller, the circuit structure complexity, adjustment speed is slow, precision is low, gyro operating ambient temperature poor stability.
The utility model content
The technical problems to be solved in the utility model provides a kind of simple in structure, the gyro operating ambient temperature is regulated fast, precision is high, the gyro temperature control equipment of good stability.
For solving the problems of the technologies described above, gyro temperature control equipment of the present utility model comprises sensor, analog-to-digital conversion module, digital signal processor, relay, well heater; The analog voltage signal relevant with the gyro operating ambient temperature of analog-to-digital conversion module receiving sensor output also is converted into digital signal output; Digital signal processor carries out calculating behind the smothing filtering difference between gyro operating ambient temperature and the standard operation temperature to the digital signal of analog-to-digital conversion module output, and according to this difference calculation control amount, adjusts the dutycycle of the wide ripple of output accent; Relay is controlled its break-make by the wide ripple of accent of digital signal processor output, to adjust the heat time heating time to well heater.
Because the dutycycle that digital signal processor can be transferred wide ripple according to the environment temperature and the difference adjustment between the standard operation temperature of sensor measurement, to adjust the heat time heating time to well heater, before gyro is started working, its environment temperature is lower, the wide ripple dutycycle of accent of digital signal processor output is higher, and firing rate is fast; Along with the operating ambient temperature of the gyro working temperature that more and more is near the mark, transfer the dutycycle of wide ripple to reduce gradually, firing rate slows down gradually, thereby the adjusting of operating ambient temperature can overshoot.After the operating ambient temperature of gyro reaches the standard operation temperature, transfer the dutycycle of wide ripple the operating ambient temperature of gyro can be stabilized in the standard operation temperature, thereby gyro good operating stability, measuring accuracy height.
Described digital signal processor comprises:
The collecting temperature data module;
Temperature data is carried out the module of smothing filtering;
The module of accounting temperature value;
Calculate the module of output controlled quentity controlled variable;
The module that wide ripple is transferred in output according to controlled quentity controlled variable.
To compare data bit many with the simulation single-chip microcomputer for digital signal processor, the precision height, and processing speed is fast, and strong interference immunity is simple with peripheral interface, with better function.The utility model adopts digital signal processor as controller, circuit structure is simple, rapidity good, precision is high, good stability, the gyro working temperature is stabilized in 73 ± 0.1 ℃ of scopes, promptly guaranteed the stable of gyro performance, avoided of the influence of gyrocompass operating ambient temperature again gyroscope constant value drift.
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Description of drawings
Fig. 1 is the utility model structural representation.1 is sensor among the figure, 11 first thermistors, 12 second thermistors, 2 analog-to-digital conversion modules, 21 first A/D converters, 22 second A/D converters, 3 digital signal processors, 4 relays, 41 first relays, 42 second relays, 5 well heaters, 51 first heating plates, 52 second heating plates.
Fig. 2 is digital signal processor 3 internal processes process flow diagrams.
Embodiment
The utility model adopts the two-stage temperature control mode, and the temperature of gyro enclosure interior is controlled at 73 ± 0.1 ℃, and the temperature of environment is controlled at 65 ± 0.1 ℃ between gyro housing and the gyro cover.Described sensor 1 comprises first thermistor 11 and second thermistor 12; Analog-to-digital conversion module 2 comprises first A/D converter 21 and second A/D converter 22; Relay 4 comprises first relay 41 and second relay 42; Well heater 5 comprises first heating plate 51 and second heating plate 52.First thermistor 11 and first heating plate 51 are that gyro self owns, and first thermistor 11 is used to detect the temperature of gyro enclosure interior, and the temperature of 51 pairs of gyro enclosure interior of first heating plate is mediated; Second thermistor 12 is affixed on the outside of gyro housing, second heating plate 52 is affixed on the inside of gyro cover, second thermistor 12 is used to detect the temperature of environment between gyro housing and the gyro cover, and the temperature of environment is mediated between 52 pairs of gyro housings of second heating plate and the gyro cover.It is first thermistor 11 with analog voltage signal temperature correlation and be converted into digital signal output that first A/D converter 21 receives; It is second thermistor 12 with analog voltage signal temperature correlation and be converted into digital signal output that second A/D converter 22 receives.After digital signal processor 3 carries out smothing filtering to the digital signal of first A/ D converter 21 and 22 outputs of second A/D converter respectively, calculate the difference between the temperature of environment between difference between the temperature of gyro enclosure interior and 73 ± 0.1 ℃ and gyro housing and the gyro cover and 65 ± 0.1 ℃, and adjust the dutycycle of the wide ripple of accent that outputs to first relay 41 and second relay 42 according to two differences respectively; First relay 41 and second relay 42 are controlled its break-make by the wide ripple of accent of digital signal processor 3 outputs, to adjust the heat time heating time of first heating plate 51 and second heating plate 52 respectively.
Controller internal processes flow process comprises the following steps:
Beginning;
Initialization;
Gather the temperature data of first A/D converter output;
Gather the temperature data of second A/D converter output;
Temperature data to the output of first A/D converter carries out smothing filtering;
Temperature data to the output of second A/D converter carries out smothing filtering;
Calculate the temperature value of gyro enclosure interior;
Calculate the temperature value of environment between gyro housing and the gyro cover;
Calculating outputs to the controlled quentity controlled variable of the wide ripple of accent of first relay;
Calculating outputs to the controlled quentity controlled variable of the wide ripple of accent of second relay;
Transfer wide ripple according to controlled quentity controlled variable to the output of first relay;
Transfer wide ripple according to controlled quentity controlled variable to the output of second relay;
In order to guarantee every performance index of gyro work, make the gyro operating ambient temperature remain on 73 ± 0.1 ℃, apparatus of the present invention adopt the control of two-stage temperature, promptly respectively to equal fixing heating plate inside and outside the gyro housing, heating plate is controlled according to environment temperature by the temperature control algorithm program, and by the temperature sensor 1 The real time measure temperature variation in when heating, program is carried out regulating and controlling according to the temperature value that feeds back to type of heating.Guarantee that gyro internal work temperature stabilization in 73 ± 0.1 ℃ of scopes, has promptly guaranteed the stable of gyro performance, avoided of the influence of gyrocompass operating ambient temperature again gyroscope constant value drift.
Claims (3)
1, a kind of gyro temperature control equipment is characterized in that comprising sensor (1), analog-to-digital conversion module (2), digital signal processor (3), relay (4), well heater (5); The analog voltage signal relevant with the gyro operating ambient temperature of analog-to-digital conversion module (2) receiving sensor (1) output also is converted into digital signal output; Digital signal processor (3) carries out calculating behind the smothing filtering difference between gyro operating ambient temperature and the standard operation temperature to the digital signal of analog-to-digital conversion module (2) output, and according to this difference calculation control amount, adjusts the dutycycle of the wide ripple of output accent; Relay (4) is controlled its break-make by the wide ripple of accent of digital signal processor (3) output, with to adjusting the heat time heating time of well heater (5).
2, gyro temperature control equipment according to claim 1 is characterized in that described sensor (1) comprises first thermistor (11) and second thermistor (12); Analog-to-digital conversion module (2) comprises first A/D converter (21) and second A/D converter (22); Relay (4) comprises first relay (41) and second relay (42); Well heater (5) comprises first heating plate (51) and second heating plate (52); First thermistor (11) and first heating plate (51) are that gyro self owns, and second thermistor (12) is affixed on the outside of gyro housing, and second heating plate (52) is affixed on the inside of gyro cover; It is (11) with analog voltage signal temperature correlation and be converted into digital signal output that first A/D converter (21) receives first thermistor; It is (12) with analog voltage signal temperature correlation and be converted into digital signal output that second A/D converter (22) receives second thermistor; After digital signal processor (3) carries out smothing filtering to the digital signal of first A/D converter (21) and second A/D converter (22) output respectively, calculate the difference between the temperature of environment between difference between the temperature of gyro enclosure interior and 73 ± 0.1 ℃ and gyro housing and the gyro cover and 65 ± 0.1 ℃, and adjust the dutycycle of the wide ripple of accent that outputs to first relay (41) and second relay (42) according to two differences respectively; First relay (41) and second relay (42) are controlled its break-make by the wide ripple of accent of digital signal processor (3) output, to adjust the heat time heating time of first heating plate (51) and second heating plate (52) respectively.
3, gyro temperature control equipment according to claim 2 is characterized in that first thermistor (11) and second thermistor (12) adopt the NTC thermistor; First A/D converter (21) and second A/D converter (22) adopt ADS8322; Digital signal processor (3) adopts TMS320F2407; First relay (41) and second relay (42) adopt direct-current solid-state relay JGX-51FA-7A; First heating plate (51) and second heating plate (52) adopt the film heating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720094575XU200720094575XU CN201097241Y (en) | 2007-11-12 | 2007-11-12 | Peg-top temperature control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720094575XU200720094575XU CN201097241Y (en) | 2007-11-12 | 2007-11-12 | Peg-top temperature control device |
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| Publication Number | Publication Date |
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| CN201097241Y true CN201097241Y (en) | 2008-08-06 |
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| CNU200720094575XU200720094575XU Expired - Fee Related CN201097241Y (en) | 2007-11-12 | 2007-11-12 | Peg-top temperature control device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936745A (en) * | 2010-08-19 | 2011-01-05 | 中国航空工业第六一八研究所 | Platform inertial navigation gyro constant drift calibration method |
| CN102096424A (en) * | 2010-12-01 | 2011-06-15 | 北京理工大学 | Three-stage temperature control method for azimuth-holding instrument |
| CN102305879A (en) * | 2011-08-28 | 2012-01-04 | 北京机械设备研究所 | Heating method for accelerometer |
| CN102841616A (en) * | 2012-09-25 | 2012-12-26 | 北京机械设备研究所 | Temperature control method of inertial positioning directional device |
| CN103792969A (en) * | 2013-11-28 | 2014-05-14 | 佛山市汉隆自动化技术有限公司 | Multi-loop intelligent temperature control module |
| CN104793216A (en) * | 2014-01-22 | 2015-07-22 | 中国科学院空间科学与应用研究中心 | Ground-based multi-channel microwave radiation meter based on meteorological detection |
| CN105222916A (en) * | 2015-08-28 | 2016-01-06 | 北京兴华机械厂 | Three float-type gyroscope servo test environment attemperating units |
| CN105549650A (en) * | 2016-01-19 | 2016-05-04 | 哈尔滨米米米业科技有限公司 | Gyro temperature control system based on fuzzy control algorithm |
| CN116107365A (en) * | 2023-02-23 | 2023-05-12 | 西安航天精密机电研究所 | High-precision temperature control system for space environment gyro instrument |
-
2007
- 2007-11-12 CN CNU200720094575XU200720094575XU patent/CN201097241Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936745A (en) * | 2010-08-19 | 2011-01-05 | 中国航空工业第六一八研究所 | Platform inertial navigation gyro constant drift calibration method |
| CN102096424A (en) * | 2010-12-01 | 2011-06-15 | 北京理工大学 | Three-stage temperature control method for azimuth-holding instrument |
| CN102096424B (en) * | 2010-12-01 | 2012-10-31 | 北京理工大学 | Three-stage temperature control method for azimuth-holding instrument |
| CN102305879A (en) * | 2011-08-28 | 2012-01-04 | 北京机械设备研究所 | Heating method for accelerometer |
| CN102305879B (en) * | 2011-08-28 | 2012-11-14 | 北京机械设备研究所 | Heating method for accelerometer |
| CN102841616B (en) * | 2012-09-25 | 2014-11-05 | 北京机械设备研究所 | Temperature control method of inertial positioning directional device |
| CN102841616A (en) * | 2012-09-25 | 2012-12-26 | 北京机械设备研究所 | Temperature control method of inertial positioning directional device |
| CN103792969A (en) * | 2013-11-28 | 2014-05-14 | 佛山市汉隆自动化技术有限公司 | Multi-loop intelligent temperature control module |
| CN104793216A (en) * | 2014-01-22 | 2015-07-22 | 中国科学院空间科学与应用研究中心 | Ground-based multi-channel microwave radiation meter based on meteorological detection |
| CN105222916A (en) * | 2015-08-28 | 2016-01-06 | 北京兴华机械厂 | Three float-type gyroscope servo test environment attemperating units |
| CN105222916B (en) * | 2015-08-28 | 2018-01-05 | 北京兴华机械厂 | Three float-type gyroscope servo test environment temperature control devices |
| CN105549650A (en) * | 2016-01-19 | 2016-05-04 | 哈尔滨米米米业科技有限公司 | Gyro temperature control system based on fuzzy control algorithm |
| CN116107365A (en) * | 2023-02-23 | 2023-05-12 | 西安航天精密机电研究所 | High-precision temperature control system for space environment gyro instrument |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20080806 Termination date: 20091214 |