CN1811489A - Portable gravity and environment parameter graphic display instrument - Google Patents
Portable gravity and environment parameter graphic display instrument Download PDFInfo
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- CN1811489A CN1811489A CN 200610018388 CN200610018388A CN1811489A CN 1811489 A CN1811489 A CN 1811489A CN 200610018388 CN200610018388 CN 200610018388 CN 200610018388 A CN200610018388 A CN 200610018388A CN 1811489 A CN1811489 A CN 1811489A
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Abstract
The present invention discloses a portable gravity and environment parameter graphic displaying instrument, relates to a data acquisition graphic display recording instrument. Said invention is composed of GPS antenna, GPS-OEM board, control processor, reference base source, A/D converter, gravity-sensing unit, temperature-sensing unit, humidity-sensing unit, air pressure sensing unit, static memory, RS-232 interface, graphic display, keyboard controller, keyboard matrix, computer recording system, printer and LED indicator, Besides, said invention also provides its extensive application field.
Description
Technical field
The present invention relates to a kind of data acquisition graphic presentation register instrument, specifically, relate to a kind of portable gravity and environment parameter graphic display instrument that is used for gravimetric observation; Can be widely used in measurement, earthquake, exploration and other department.
Background technology
Gravimetry not only can be used for studying the earth gravity field and the figure of the earth, and has also obtained using widely aspect geophysical survey, becomes mineral products, oil gas, the irreplaceable important means of underground geothermal resource exploration.
Because environmental change has considerable influence to the gravity meter accuracy of observation, so carrying out the gravimetric while, also need environmental factors such as temperature, humidity, air pressure are observed, correct to carry out data necessary, extract effective gravitational cue, earth gravity field changes and geophysical survey provides reliable data in order to monitor and to study.In addition, in the gravimetric observation, also need to understand real time position, course, speed and date, GMT (Greenwich mean time) or the Beijing time of gravimetry car and boat in the open air.So gravimetric observation is at present had to carry and is used the huge data acquisition system (DAS) of being made up of many different instrument and equipments of function to carry out operation, brings great inconvenience to work.
Specifically, be used for gravimetric data acquisition system (DAS) at present, have the problem of the following aspects:
1. can only carry out single gravimetry,, correct, eliminate Effect of Environmental, greatly reduce the gravimetric observation precision so can't carry out data necessary owing to do not possess the ability of environmental factors such as synchronous acquisition, storing temperature, humidity and air pressure.
2. do not obtain the accurate real time position of gravimetry, course, speed and the ability of date, GMT (Greenwich mean time) or Beijing time synchronously owing to not possessing, be unfavorable for open-air gravimetric observation.
3. in order to address the above problem, gravimetry must carry and use the huge data acquisition system (DAS) of being made up of many different instrument and equipments of function to carry out operation, brings great inconvenience to work.
4. existing data acquisition system (DAS) power consumption is big, to back-up source capacity requirement height, vast backcountry to the excessive and frequent outage of ubiquity voltage ripple of power network amplitude phenomenon, often must additional configuration voltage stabilization and current stabilization equipment, not only improved the cost of field inspection, increase observation personnel's labour intensity, also be difficult to guarantee the reliability and stability of mobile gravimetric observation.
5. each instrument of forming the available data acquisition system all is a specialized equipment independently, can not or be difficult to other sensor, instrument and meter exchange and connects.Often need to dispose different power supplys, interface during use, even need change existing equipment, also exist to connect shortcomings such as difficulty, complicated operation, consumption worker be consuming time simultaneously, range of application is very restricted.
6. the available data acquisition system can't break away from the mode of hand-kept gravity, environmental factor and GPS parameter, inefficiency fully.Even the acquisition system that has has partly realized the automatic observation of above-mentioned parameter, but they still owing to do not possess the ability of carrying out the graph curve demonstration simultaneously or offering the computer recording system print, can't observe, compare, analyze and handle the influence of each environmental factor variation to gravity to their numerical values recited and variation tendency simultaneously.
7. be difficult to each equipment disposition unified time device to existing system, in addition have to adopt manually to the time original means, total system can't be unified under the accurate Coordinated Universal Time(UTC), can not satisfy the requirement of current gravimetry development.
8. owing to extracting a plurality of simulating signals such as gravity, temperature, humidity and air pressure simultaneously, so have to they are configured to corresponding A/D converter, memory and modulate circuit respectively.After data acquisition is finished, must cause data acquisition loaded down with trivial details with being stored in the interior uniform data dump of memory separately, the consumption worker is consuming time, and acquisition system cost costliness is handling poor.
9. now unusual at gravity, temperature, the gentle extrusion of humidity, when exceeding normal range, can not report to the police automatically, remind the observation personnel in time to arrive, analyze and handle field condition.
Summary of the invention
Purpose of the present invention is exactly to overcome the above-mentioned shortcoming and defect that prior art exists, and a kind of portable gravity and environment parameter graphic display instrument are provided.
The object of the present invention is achieved like this:
One adopts sensor and microcomputer technology, realizes gravity, temperature, humidity and air pressure real-time signal acquisition and graph curve, numeral are shown;
Its two, according to customer requirements, deposit gravity, temperature, humidity and the barometric information of measuring the static storage of instrument in, or, transfer them to the computer recording system and print and digital recording by communication interface;
Three, provide high accurate GPS GPS time, geographic position, course, velocity information, they are shown and record in real time in addition, temporal information is outputed to the computer recording system by communication interface, realize computer recording system and the precise synchronization of Coordinated Universal Time(UTC).
Specifically, as Fig. 1, the present invention is made up of gps antenna 1, GPS-OEM plate 2, processor controls 3, reference data source 4, analog to digital converter 5, gravity sensing unit 6, temperature sensing unit 7, humidity sensor unit 8, air pressure sensing unit 9, static storage 10, RS-232 interface 11, graphic alphanumeric display 12, keyboard controller 13, keyboard matrix 14, computer recording system 15, printer 16, LED indication 17;
The output terminal of reference data source 4 and gravity sensing unit 6, temperature sensing unit 7, humidity sensor unit 8 and air pressure sensing unit 9 links to each other with the input end of analog to digital converter 5 respectively;
The output terminal of GPS-OEM plate 2, analog to digital converter 5, keyboard controller 13 links to each other with the input end of processor controls 3 respectively; The output terminal of processor controls 3 links to each other with the input end of RS-232 interface 11 and static storage 10, graphic alphanumeric display 12, LED indication 17 respectively;
The output terminal of RS-232 interface 11 links to each other with the input end of computer recording system 15, and the output terminal of computer recording system 15 links to each other with printer 16;
Principle of work of the present invention is:
After finishing power-on self-test and initialization, processor controls 3 is by the control to analog to digital converter 5, simulation tiny signal with gravity sensing unit 6, temperature sensing unit 7, humidity sensor unit 8 and 9 outputs of air pressure sensing unit, send into through four analog channels respectively, finish analog to digital conversion separately, according to type of sensor its scale-of-two output result is carried out corresponding scale transformation, nonlinear compensation and temperature compensation, deposit the current results data in static storage 10;
The latest location data that GPS-OEM plate 2 constantly will receive from gps antenna 1 sends processor controls 3 to, with the result data of static storage 10 storages, shows in real time on graphic alphanumeric display 12; Or by RS-232 interface 11, after carrying out level conversion, export to computer recording system 15 with the baud rate serial of 9600baud, finish storage and printing to measurement result, and the clock of computer recording system 15 proofreaied and correct in real time, guarantee its time precision;
The user is under the prompting of graphic alphanumeric display 12 on-screen menus, can call by interrupt function, the demonstration of carrying out the observation datas such as gravity, temperature, humidity and air pressure output signal of date, time, position, speed, course and mensuration via keyboard matrix 14 is switched, and finishes system reset and data transmission.
The present invention compared with prior art has the following advantages and good effect:
(1) adopts controlled by single chip microprocessor, have simple in structure, diverse in function, low in energy consumption, volume is little, in light weight, characteristics such as antijamming capability strong, operation is easy to carry, can alleviate the gravimetric observation personnel's of flowing labour intensity, reduction field inspection cost, effectively improve the reliability and stability of the gravimetric observation of flowing.
(2) utilize the high-precision GPS temporal information, the system clock of computer recording system is proofreaied and correct automatically, thereby make it and the Coordinated Universal Time(UTC) precise synchronization.
(3) can obtain and show high-precision date, time, geographic position, speed, course information round-the-clock, continuously in real time, convenient open-air gravimetry.
(4) graph curve that can carry out a plurality of simulating signals such as gravity, temperature, humidity and air pressure by the graphic alphanumeric display of instrument synchronously shows, Real Time Observation is to their numerical values recited and variation tendency, relatively and analyze each environmental factor and change influence to gravity.
(5) can select the sampling time interval of each observation data flexibly according to actual needs, and then change cycle storage time of data, help gravimetric observation.
(6) when the signal amplitude of gravity, temperature, humidity and each observed parameter of air pressure exceeds setting range, can carry out LED indication 17 flickers automatically and report to the police, the prompting user in time analyzes and handles field condition.Be less than 3 at the locking gps satellite, when being in out-of-lock condition, this instrument promptly can automatically switch to internal clocking when LED indicates 17 flickers to report to the police, continue the correct demonstration of retention time.
(7) can with gravity, temperature, humidity, air pressure and gps time, geographic position, course, speed data,, output to computer recording system 15 by its RS-232 interface 11 according to customer requirements, finish data conversion storage and printing via the serial communication cable.
(8) utilize monolithic high-precision adc 5 to carry out the mould/number conversion of a plurality of simulating signals such as gravity, temperature, humidity and air pressure.Not only saved the modulate circuit of common needed a plurality of A/D converters and necessary corresponding configuration, reduced cost, reduced volume, be convenient to carry, also made instrument control and become easily, taking of resource reduces to minimum, helps open-air gravimetric observation.
(9) have lower power consumption, can use battery and DC power supply, help open-air gravimetric observation.
(10) can be according to the size of data volume, automatically select the static storage 10 or the outer computer register system 15 of instrument internal to carry out the storage of data: when the data volume of storage exceeds instrument static storage capacity, can be automatically carry out the unloading of data, refresh static storage simultaneously to outside computer recording system 15.
(11) because instrument has adopted folding mode, volume is reduced, be easy to carry, also protected graphic alphanumeric display, make it to avoid the impact of external force.Instrument also is provided with the power switch of automatic open close simultaneously, starts instrument when display screen is opened voluntarily, closes instrument when display screen closes, and has avoided user's false touch keyboard to cause the misoperation of instrument and unnecessary power consumption.
(12) be easy to connect, enlarged range of application with other type sensor.Need not change original equipment during use, simple, convenient, quick, have application value widely.
(13) instrument character display standard, but Hanzify can show abundant content such as various figures, curve, have the man-machine conversation operation, measure the result Presentation Function, are fit to the multifaceted personnel of conglomerate and use, and application prospect is good.
(14) instrument has Presentation Function backlight, can use under the condition of the low light level and dark.
Description of drawings
Fig. 1 forms block scheme for the present invention;
Fig. 2 is a surface structure synoptic diagram of the present invention;
Fig. 3 is a built-up circuit schematic diagram of the present invention.
Wherein:
The 1-GPS antenna;
The 2-GPS-OEM plate;
The 3-processor controls;
4-reference data source;
The 5-analog to digital converter;
6-gravity sensing unit;
The 7-temperature sensing unit;
8-humidity sensor unit;
9-air pressure sensing unit;
The 10-static storage;
The 11-RS-232 interface;
The 12-graphic alphanumeric display;
The 13-keyboard controller;
The 14-keyboard matrix;
15-computer recording system;
The 16-printer;
The 17-LED indication.
Embodiment
Further specify below in conjunction with drawings and Examples:
One, complete machine
1, the composition and the connection of pressing summary of the invention implemented.
2, can adaptive other sensor (as water level gauge etc.) at the input end of analog to digital converter 5, the sampling of shared system, monitoring equipment are patrolled and examined other physical quantitys such as underground water levels, thereby widen monitoring range, open up new career field.
3, complete machine surface structure such as Fig. 2.
Two, components and parts
Fig. 3 is the circuit theory diagrams corresponding with Fig. 1.
1, processor controls 3 and static storage 10
Processor controls 3 is selected the AT89S52 and the support circuit thereof of atmel corp for use;
Processor controls 3 is centers that whole instrument is handled, operated, controls, and the reception of all signals, storage, demonstration, control are all carried out under its monitoring.Processor controls 3 is by A0～A15 address wire, D0～D7 data line and read RD/, write WR/, signal such as the RESET that resets controls total system.
The 74LS373 address latch is used to solve the problem of processor controls 3 address bus AB and data bus DB time-sharing multiplex.
The 74LS138 address decoder is deciphered address wire A13～A15, its output Y0～Y3 as the chip selection signal of analog to digital converter 5, static storage 10, graphic alphanumeric display 12, keyboard controller 13, is conducted interviews to their timesharing by data line by processor controls 3 respectively.
SS1 crystal oscillator and capacitor C 2, C3 form the crystal oscillating circuit of 12MHz, and linking to each other with X1, the X2 pin of processor controls 3 constitutes the internal oscillator mode, is used to provide the time reference of various microoperations in the processor controls 3.
Rest button S1, capacitor C 4, resistance R 0, R1 formation power on and manual reset circuit automatically, the RESET pin of access control process 3, power on or reset key S1 resets graphic display instrument when pressing at graphic display instrument, begin to carry out watchdog routine from the 0000H address location.
The inside memory of processor controls 3 is divided into memory under program and data memory two parts.Wherein, management, watchdog routine and in/the western language character library deposits in the memory under program, the intermediate result deposit data is in data memory.
Instrument is provided with static storage 10 specially, is used for the deficiency of replenishment control processor 3 data memory memory spaces, deposits the gravity, temperature, humidity and the result datas such as air pressure and GPS that obtain.
2, graphic alphanumeric display 12 and LED indication 17
Graphic alphanumeric display 12 is selected the DMF5001 graph lcd module of OPTREX company for use, and its 8 bit parallel data bus D0～D7 directly is connected with system data bus DB; From the Y2 of address decoder 74LS138 output chip selection signal as graphic alphanumeric display 12; And processor controls 3 read RD/ and write the WR/ control signal carry out the read/write of graphic alphanumeric display 12 and select; The control signal that the OPADD A0 of address latch 74ls373 then selects as the read/write of graphic alphanumeric display 12.As a comparison the potentiometer P1 that regulates of degree right-20V supply voltage VEE dividing potential drop after, offer the VADJ pin, in order to regulate the demonstration contrast of graphic alphanumeric display 12.S2 is the control of electroluminescent back-illumination source, by miniature inverter TR, the 5V DC voltage is converted to the alternating voltage of the 1000Hz about 100V, offers the EL end of graphic alphanumeric display 12, and it can be used under the low light level or dark condition.
Pulse per second (PPS) indication L3, warning indication L2 and the power supply indication L1 of light emitting diode have constituted LED indication 17 jointly.The pulse per second (PPS) of GPS-OEM plate 2 outputs outputs to L3 by the monostable circuit that LM555 and resistance R 8, capacitor C 13, C14 constitute, the arrival of indication pulse per second (PPS).The P17 pin of processor controls 3 is in low level at ordinary times, and the warning indication L2 that then is attached thereto is not luminous.Be less than 3 when gravity, temperature, humidity and air pressure numerical value exceed tolerance band or works as locking satellite, when instrument was in out-of-lock condition, P17 pin output pulse signal was delivered to L2 through R7, and its flicker is reported to the police.
3, analog to digital converter 5, reference data source 4
It is 24 AD7714 that analog to digital converter 5 is selected resolution for use, is configured to the analog input of four passages.Processor controls 3 is connected with DIN, DRDY with SCLK, the DOUT of analog to digital converter 5 respectively by P10, P11, the INT1 of its port.The MCLK IN of analog to digital converter 5 and MCLK OUT termination are gone into the SS2 crystal, in order to obtain time-base signal.
Low noise voltage reference source AD780 is selected in reference data source 4 for use, as the benchmark of analog to digital conversion voltage, inserts the REF IN+ end of analog to digital converter 5.Amplitude is limited in the simulation tiny signal of gravity sensing unit 6, temperature sensing unit 7, humidity sensor unit 8 and 9 outputs of air pressure sensing unit between 0 to+2.5V, four analog input end AIN1, AIN2, AIN3, AIN4 through analog to digital converter 5 directly detect respectively, by the analog switch of analog to digital converter 5 inside one by one timesharing send into input buffer and programmable gain amplifier, convert the digital pulse sequence that contains numerical information to through sigma-delta modulator, handle via the programmable lowpass digital filter of cutoff frequency.After analog to digital conversion is finished, the DRDY pin output level step-down of analog to digital converter 5, and require processor controls 3 that SCLK is provided clock signal; Processor controls 3 is provided with by the register of P10, P11 programming output to analog to digital converter 5, according to type of sensor its scale-of-two output result is carried out corresponding scale transformation, nonlinear compensation and temperature compensation, send into graphic alphanumeric display 12 then and show in real time.
4, RS-232 interface 11
Because the serial data of processor controls 3 output is the Transistor-Transistor Logic level of 0～5V, and 15 configurations of computer recording system is the serial line interface of RS-232C standard, and the electrical code of the two is inconsistent, can not directly carry out communication.For this reason, set up serial transceiver MAX202, constitute RS-232 interface 11 jointly with socket J232, link to each other with the serial port TXD output terminal of processor controls 3, after result data is carried out level conversion, realize the asynchronous serial communication of this instrument and computer recording system 15 by the connection of serial communication cable.
5, keyboard controller 13 and keyboard matrix 14
For alleviating the burden of processor controls 3,8279 of instrument selection INTEL Corp. comes keyboard is managed as keyboard controller 13, with the line scan signals of its SL0～SL1 end as 2 * 5 keyboard matrixs 14, the train value signal of keyboard is by RL0～RL4 end return key disk controller 13.Keyboard controller 13 regularly scans keyboard, defines the on-keyboard closure.When keyboard matrix 14 has key to press, the coding of this key promptly is admitted to keyboard controller 13, simultaneously, keyboard controller 13 produces interrupt request singal IRQ, deliver to the INT0 end of processor controls 3 after anti-phase, trigger its interruption, carry out key identification, and ready made corresponding menu is transferred to demonstration on the graphic alphanumeric display 12 by program.Under the prompting of its on-screen menu, the user can carry out the selection and the operation of each observation data and graph curve easily.
Three, according to above design concept, the present invention adopts following program:
1, master routine:
The function of master routine is that each interface is carried out initialization: working method, the keyboard interrupt mode of analog to digital converter 5, graphic alphanumeric display 12, keyboard controller 13 and processor controls 3 serial ports is set and presets initial value for storehouse, data-storing unit and tag unit, distribute channel number etc. for gravity, temperature, humidity and pressure channel.After finishing power-on self-test, read the current page number in the tag unit, pack into and show corresponding page or leaf content.
After receiving the GPS information data, the information such as date, time and three-dimensional position that obtain are extracted, in the time of will the Coordinated Universal Time(UTC) being converted into Beijing, store corresponding data cell respectively into.Simultaneously, read gravity, temperature, humidity and air pressure binary numeral that processor controls 3 collects, judge type of sensor according to current channel number, carry out corresponding scale transformation, nonlinear compensation and temperature compensation, and deposit result data in static storage; When finding that gravity, temperature, humidity and air pressure numerical value exceed tolerance band or gps satellite losing lock, order is reported to the police and is indicated the L2 flicker to report to the police, and by display reminding information on the graphic alphanumeric display 12; During losing lock, this instrument can automatically switch to internal clocking, continues the correct demonstration of retention time.
Only after above-mentioned result data was lower than alarm threshold value, processor controls 3 withdrawed from alarm condition just now, recovered the information content and the graph curve that show on graphic alphanumeric display 12, and according to user's demand, by RS-232 interface 11 output serial datas.
The method that the data acquisition waveform shows is, at first judges data acquisition value Yn and Yn+1 at 2, when Yn 〉=Yn+1, determines that (Xn+1 Yn) be last point, and (Xn+1 is Yn+1) for descending point; And when Yn≤Yn+1, determine that (Xn+1 Yn) is point down, and (Xn+1 Yn+1) be last point, by vertical successively in twos linking to each other of data collection point obtained the waveform demonstration.Change the off-set value of Yn, waveform is moved forward and backward with respect to Xn; Whole sampling numerical value are decayed by a certain percentage or amplified, can carry out the adjustment of wave-shape amplitude easily.
When receiving keyboard controller 13 when sending interrupt request, processor controls 3 will stop to carry out master routine then remove to carry out interruption subroutine.After end of subroutine, the master routine that the side gets back to original execution again works on.Master routine adopts modular structure, and is independent mutually between each module.
2, interrupt service routine:
After the interrupt request singal sent of response keyboard controller 13, enter this interrupt service routine immediately, close interrupt, keep the scene intact after, read and judge the key assignments that keyboard matrix 14 is determined, carry out its pairing subroutine function.As upgrade current page number, from static storage, take out and the corresponding page or leaf of new page number content, be encased in the display buffer of graphic alphanumeric display 12, show observation data, the graph curves such as gravity, temperature, humidity and air pressure of Greenwich or Beijing time and date, longitude, latitude, speed, course and mensuration.
After opening interruption, recovery scene, carry out the RETI instruction, interrupt turning back to master routine.
Claims (10)
1, a kind of portable gravity and environment parameter graphic display instrument is characterized in that:
Gps antenna (1) links to each other with the input end of GPS-OEM plate (2);
Keyboard matrix (14) links to each other with the input end of keyboard controller (13);
The output terminal of reference data source (4) and gravity sensing unit (6), temperature sensing unit (7), humidity sensor unit (8) and air pressure sensing unit (9) links to each other with the input end of analog to digital converter (5) respectively;
The output terminal of GPS-OEM plate (2), analog to digital converter (5), keyboard controller (13) links to each other with the input end of processor controls (3) respectively; The output terminal of processor controls (3) links to each other with the input end of RS-232 interface (11) and static storage (10), graphic alphanumeric display (12), LED indication (17) respectively;
The output terminal of RS-232 interface (11) links to each other with the input end of computer recording system (15), and the output terminal of computer recording system (15) links to each other with printer (16).
2, by the described display instrument of claim 1, it is characterized in that:
At the adaptive water level gauge of the input end of analog to digital converter 5.
3, by the described display instrument of claim 1, it is characterized in that:
Gps antenna (1) and GPS-OEM plate (2) are selected the GPS25 type of GARMIN company for use.
4, by the described display instrument of claim 1, it is characterized in that:
Processor controls (3) is selected the AT89S52 and the support circuit thereof of atmel corp for use.
5, by the described display instrument of claim 1, it is characterized in that:
The AD780 of AD company is selected in reference data source (4) for use.
6, by the described display instrument of claim 1, it is characterized in that:
Analog to digital converter (5) is selected the AD7714 of AD company for use.
7, by the described display instrument of claim 1, it is characterized in that:
Static storage (10) is selected RAM chip 62256 for use.
8, by the described display instrument of claim 1, it is characterized in that:
RS-232 interface (11) is made up of serial transceiver MAX202 and socket J232.
9, by the described display instrument of claim 1, it is characterized in that:
Graphic alphanumeric display (12) is selected the DMF5001 of QPTREX company for use.
10, by the described display instrument of claim 1, it is characterized in that:
8279 of keyboard controller (13) INTEL Corp..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100183883A CN100483155C (en) | 2006-02-21 | 2006-02-21 | Portable gravity and environment parameter graphic display instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100183883A CN100483155C (en) | 2006-02-21 | 2006-02-21 | Portable gravity and environment parameter graphic display instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1811489A true CN1811489A (en) | 2006-08-02 |
| CN100483155C CN100483155C (en) | 2009-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100183883A Expired - Fee Related CN100483155C (en) | 2006-02-21 | 2006-02-21 | Portable gravity and environment parameter graphic display instrument |
Country Status (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122003A (en) * | 2009-11-26 | 2011-07-13 | 株式会社设计工厂 | Portable environmental information reporting device |
| CN103106247A (en) * | 2012-12-31 | 2013-05-15 | 普天新能源有限责任公司 | Data dump method and system |
| CN105526966A (en) * | 2015-12-30 | 2016-04-27 | 中国国土资源航空物探遥感中心 | Device and method for measuring air pressure, temperature and humidity in real time |
| CN111051860A (en) * | 2017-08-30 | 2020-04-21 | 松下知识产权经营株式会社 | Water content detection device |
| CN112860820A (en) * | 2019-11-27 | 2021-05-28 | 中国石油天然气集团有限公司 | General geophysical data storage method and device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2491852Y (en) * | 2001-04-12 | 2002-05-15 | 中国科学院测量与地球物理研究所 | Gravity recording system GPS time synchronizer |
-
2006
- 2006-02-21 CN CNB2006100183883A patent/CN100483155C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122003A (en) * | 2009-11-26 | 2011-07-13 | 株式会社设计工厂 | Portable environmental information reporting device |
| CN103106247A (en) * | 2012-12-31 | 2013-05-15 | 普天新能源有限责任公司 | Data dump method and system |
| CN105526966A (en) * | 2015-12-30 | 2016-04-27 | 中国国土资源航空物探遥感中心 | Device and method for measuring air pressure, temperature and humidity in real time |
| CN105526966B (en) * | 2015-12-30 | 2018-10-12 | 中国国土资源航空物探遥感中心 | A kind of air pressure humiture real-time measurement apparatus and measurement method |
| CN111051860A (en) * | 2017-08-30 | 2020-04-21 | 松下知识产权经营株式会社 | Water content detection device |
| CN112860820A (en) * | 2019-11-27 | 2021-05-28 | 中国石油天然气集团有限公司 | General geophysical data storage method and device |
| CN112860820B (en) * | 2019-11-27 | 2023-12-26 | 中国石油天然气集团有限公司 | Universal geophysical data storage method and device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100483155C (en) | 2009-04-29 |
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