CN201990996U - Cable-less type static-sounding instrument - Google Patents
Cable-less type static-sounding instrument Download PDFInfo
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- CN201990996U CN201990996U CN2011200313065U CN201120031306U CN201990996U CN 201990996 U CN201990996 U CN 201990996U CN 2011200313065 U CN2011200313065 U CN 2011200313065U CN 201120031306 U CN201120031306 U CN 201120031306U CN 201990996 U CN201990996 U CN 201990996U
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Abstract
The utility model discloses a cable-less type static-sounding instrument, which comprises an underground static-sounding data acquisition card, a static-sounding data upper-computer management system and an overground static-sounding data acquisition instrument; the underground static-sounding data acquisition card comprises a microcontroller 1, an analog-signal processing module 1, a synchronous clock module 1, a data storage module 1, a data communication module 1 and a power-supply module 1, wherein the analog-signal processing module 1 is connected with a static-sounding probe; and the overground static-sounding data acquisition instrument comprises a microcontroller 2, a photoelectric encoder, a synchronous clock module 2, a data storage module 2, an operating-key module, a liquid-crystal display module, a data communication module 2, a data communication module 3 and a power-supply module 2. The cable-less type static-sounding instrument has the advantages of simple structure, reasonable design, convenience in use and operation, large data-storage quantity, long storage time, long continuous-working time, high reliability, high work efficiency, good use effect and convenience in popularization and use.
Description
Technical field
The utility model belongs to the engineering geologic investigation technical field, especially relates to a kind of no cable formula static penetrometer.
Background technology
Static sounding is a kind of home position testing method in the engineering geologic investigation, is applicable to weak soil, general cohesive soil, silt and sand, and the more area of soft soil distribution is being arranged, and static sounding can improve the degree of reliability of prospecting achievement.
At present, the static penetrometer of domestic use mainly is to adopt cable transmission pressure signal and depth signal.Because computer is widely used, cone penetration test can be controlled the cone penetration test process, thereby be obtained result rapidly and accurately by computer to static sounding data collecting system input standardization program.But in the cone penetration test process, probe is connecting cable and is having a lot of inconvenience, often needing several personnel to cooperate when connecting feeler lever adds feeler lever one by one, not only when handling feeler lever, expend time in, cable and connector be easily accidental damage also, and on-the-spotly needs operating personnel to carry personal computer field control and the data processing operation that line data gathers of going forward side by side, therefore, be subjected to the influence of ambient conditions bigger, what be unfavorable in the field of inclement condition testing carries out smoothly.
Be unfavorable for the influence operated at cable, only a few producer adopts different technologies to develop the full-automatic static sounding of no cable system both at home and abroad, mainly contains two kinds of transmission means: wireless radio transmission, light transmit.Though these two kinds of transmission means have well solved the inconvenience that the cable mode is arranged, its drawback also is tangible, be mainly reflected in following 2 points: at first, because the unpredictability of underground environment, the transmission under varying environment of radio and light can change, make the signal that reaches ground by this dual mode be subjected to serious interference, the measurement result deviation is bigger; Secondly, the convenience of this dual mode has also increased the cost of system greatly.Because these unfavorable factors, though it has solved the inconvenience of traditional approach data acquisition, it is applied and has difficulty in taking a step, domestic use very few.
By foregoing as seen, can't satisfy actual needs well about the research of static sounding both at home and abroad at present.
The utility model content
Technical problem to be solved in the utility model is at above-mentioned deficiency of the prior art, a kind of no cable formula static penetrometer is provided, it is simple in structure, and is reasonable in design, uses simple operation, memory data output is big, memory time is long, the reliability height, high efficiency, practical value height, result of use is good, is convenient to promote the use of.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of no cable formula static penetrometer, it is characterized in that: comprise and pack in the feeler lever and gather in real time and the underground static sounding data collecting card of storage static sounding probe institute detection data and be used for static sounding data host computer management system that the data of underground static sounding storage that data collecting card is gathered are handled and shown with underground being used for of static sounding probe injection, also comprise the ground static sounding data collecting instrument that is used for the data of underground static sounding storage that data collecting card is gathered are sent to static sounding data host computer management system, described ground static sounding data collecting instrument joins with static sounding data collecting card and static sounding data host computer management system respectively;
Described underground static sounding data collecting card comprises microcontroller one, the analog signal processing module one, synchronised clock module one, data memory module one and the data communication module one that join with microcontroller one respectively and is the power module one of each power unit power supply that described analog signal processing module one is joined with static sounding probe;
Described ground static sounding data collecting instrument comprise microcontroller two, the photoelectric encoder that joins with microcontroller two respectively, synchronised clock module two, data memory module two, operation push-button module, LCD MODULE, with data communication module one matching used data communication module two, the power module two of powering with the matching used data communication module three of static sounding data host computer management system and for each power unit, described photoelectric encoder is arranged on the top of feeler lever.
Above-mentioned no cable formula static penetrometer is characterized in that: described microcontroller one is the inner single-chip microcomputer STC12C5A60S2AD that is integrated with the A/D converting unit.
Above-mentioned no cable formula static penetrometer is characterized in that: described analog signal processing module one constitutes by the amplifying circuit that joins with static sounding probe with filter circuit that amplifying circuit joins, and described filter circuit and microcontroller one join.
Above-mentioned no cable formula static penetrometer, it is characterized in that: described data memory module one and data memory module two are eeprom memory.
Above-mentioned no cable formula static penetrometer is characterized in that: described microcontroller two is single-chip microcomputer STC89C52RC.
Above-mentioned no cable formula static penetrometer, it is characterized in that: described data communication module one, data communication module two and data communication module three are RS-232 serial communication circuit module.
Above-mentioned no cable formula static penetrometer, it is characterized in that: described operation push-button module comprises and is used for backlight key that the display mode backlight of LCD MODULE is selected, the last button that is used for displayed content on the LCD MODULE is selected, button, left button and right button down, and definite button and return button.
Above-mentioned no cable formula static penetrometer is characterized in that: described static sounding probe is static sounding doube bridge probe.
The utility model compared with prior art has the following advantages:
1, the utility model is in conjunction with the pluses and minuses that have the static sounding data collecting system both at home and abroad now, adopt single-chip microcomputer, super large-scale integration, mass data storage, clock synchronously and advanced technology such as digital filtering, abandoned traditional wired acquisition mode (connection cable between underground probe and the ground data collecting system), simple in structure and reasonable in design, realized the data acquisition of no cable formula static sounding, alleviate the difficulty of cone penetration test greatly, used simple operation, improve the efficient of cone penetration test and saved the great amount of manpower financial resources for cone penetration test.
2, be provided with data memory module one in the underground static sounding data collecting card of the utility model, be provided with data memory module two in the static sounding data collecting instrument on the ground, data convenient storage, memory capacity are big, again gather at every turn, automatically cover former storage data, can store the data that this system's continuous operation was gathered in 5 hours at every turn; And the data storage is reliable, the holding time is long; The eeprom memory that is adopted is wiped/is write number of times continuously and reaches 1,000,000 times, but data long preservation (reaching 100 years) after the power down.
3, use simple operation of the present utility model, information on static sounding data host computer management system shows comprehensively, adopt operation push-button module and LCD MODULE to constitute man-machine interactive system, hommization degree height on the ground in the static sounding data collecting instrument.
4, the utility model can send underground static sounding data collecting card institute image data to static sounding data collecting instrument on the ground by RS232 serial communication mode, static sounding data collecting instrument institute image data sends static sounding data host computer management system to by RS232 serial communication mode and does corresponding data analysis, processing and management on the ground again, the data transmission credibility height, be subjected to the influence of ambient conditions little, also can carry out test smoothly in the field of inclement condition.
5, but stream time is long flexibly for power supply mode of the present utility model, be equipped with big capacity rechargeable battery and adopt the low-power consumption components and parts, about 2 hours of the continuous operation at least of underground static sounding data collecting card, static sounding data collecting instrument about 10 hours of stream time at least on the ground.
In sum, the utility model is simple in structure, and is reasonable in design, uses simple operation, memory data output is big, memory time is long, but stream time is long, reliability height, high efficiency, the practical value height, solved existing in prior technology cost height, be subjected to environmental influence big, be subject to disturb, defective and deficiency that the measurement result deviation is big, result of use is good, is convenient to promote the use of.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Description of drawings
Fig. 1 does not have the structured flowchart of cable formula static penetrometer for the utility model.
Fig. 2 carries out the method flow block diagram of static sounding data acquisition process for adopting the utility model.
Description of reference numerals:
The underground static sounding data of 1-1-1-microcontroller one; 1-2-analog signal processing mould
Capture card; Piece one;
1-3-synchronised clock module one; 1-4-data memory module one; 1-5-data communication module one;
1-6-power module one; 2-is static sounding data 2-1-microcontroller two on the ground;
Acquisition Instrument;
The 2-2-photoelectric encoder; 2-3-synchronised clock module two; 2-4-data memory module two;
2-5-operation push-button module; The 2-6-LCD MODULE; 2-7-data communication module two;
2-8-data communication module three; 2-9-power module two; 3-static sounding data are upper
Machine management system;
The 4-static sounding probe.
The specific embodiment
As shown in Figure 1, no cable formula static penetrometer described in the utility model, comprise and pack in the feeler lever and gather in real time and the underground static sounding data collecting card 1 of 4 detection datas of storage static sounding probe and be used for underground static sounding data collecting card 1 is gathered the static sounding data host computer management system 3 that the data of storing are handled and shown with underground being used for of static sounding probe 4 injection, comprise also being used for underground static sounding data collecting card 1 is gathered the ground static sounding data collecting instrument 2 that the data of storing send static sounding data host computer management system 3 to that described ground static sounding data collecting instrument 2 joins with static sounding data collecting card 1 and static sounding data host computer management system 3 respectively;
Described underground static sounding data collecting card 1 comprises microcontroller one 1-1, analog signal processing module one 1-2, synchronised clock module one 1-3, data memory module one 1-4 and data communication module one 1-5 that join with microcontroller one 1-1 respectively and is power module one 1-6 of each power unit power supply that described analog signal processing module one 1-2 and static sounding probe 4 join;
Described ground static sounding data collecting instrument 2 comprise microcontroller two 2-1, the photoelectric encoder 2-2, synchronised clock module two 2-3 that join with microcontroller two 2-1 respectively, data memory module two 2-4, operation push-button module 2-5, LCD MODULE 2-6, with matching used data communication module two 2-7 of data communication module one 1-5, power module two 2-9 that power with static sounding data host computer management system 3 matching used data communication module three 2-8 and for each power unit, described photoelectric encoder 2-2 is arranged on the top of feeler lever.
As shown in Figure 1, in the present embodiment, described microcontroller one 1-1 is the inner single-chip microcomputer STC12C5A60S2AD that is integrated with the A/D converting unit.Described analog signal processing module one 1-2 constitutes by the amplifying circuit that joins with static sounding probe 4 with filter circuit that amplifying circuit joins, and described filter circuit and microcontroller one 1-1 join.Described data memory module one 1-4 and data memory module two 2-4 are eeprom memory.Described microcontroller two 2-1 are single-chip microcomputer STC89C52RC.Described data communication module one 1-5, data communication module two 2-7 and data communication module three 2-8 are RS-232 serial communication circuit module.Described operation push-button module 2-5 comprises and is used for backlight key that the display mode backlight of LCD MODULE 2-6 is selected, be used for LCD MODULE 2-6 is gone up last button that displayed content selects, button, left button and right button down, and definite button with return button.Described static sounding probe 4 is static sounding doube bridge probe.
Particularly, described synchronised clock module one 1-3 and synchronised clock module two 2-3 all can adopt clock chip DS1302; Described data memory module one 1-4 and data memory module two 2-4 all can adopt chip AT24C512.The data that data memory module one 1-4 is stored mainly contain two classes: 1, pressure data, i.e. magnitude of voltage (millivolt level); 2, time data (time, minute, second).The condition of data storages is should satisfy certain relation between per twice magnitude of voltage, the time attached (should be outside a certain scope such as the difference of per twice magnitude of voltage); The data volume of primary access is: force value 4 bytes (every road two bytes)+time (each byte of Hour Minute Second) are totally 3 bytes=7 bytes, by twice voltage signal budget of collection in a second, 32Kbyte (256Kbit EEPROM) can deposit the Frame of 4681 collections, promptly uninterruptedly gathers the data of 4681/7200=0.6 hour gained.The data that data memory module two 2-4 are stored mainly contain two classes, and 1, depth data, minimum is accurate to the cm level; 2, time data (time, minute, second).The condition of data storages is should satisfy certain relation between per depth data of taking for twice, the time attached (should be outside a certain scope such as the difference of per twice depth data); The data volume of primary access is: the degree of depth 2 bytes (can reach 65535cm is 655.35m)+time (each byte of Hour Minute Second) are totally 3 bytes=5 bytes; Gathered twice voltage signal budget by one second, 32Kbyte (256Kbit EEPROM) can deposit the Frame of 6553 collections.Promptly uninterrupted data of gathering 6553/7200=0.9 hour gained.
For improving the reliability and the certainty of measurement of underground static sounding data collecting card 1 and ground static sounding data collecting instrument 2, on circuit design, all select the components and parts of stable performance, wide temperature range for use, select the high-precision analog operational amplifier for use among analog signal processing module one 1-2; For the volume that reduces underground static sounding data collecting card 1 so that underground static sounding data collecting card 1 is installed in feeler lever inside, all select the Surface Mount components and parts on the components and parts for use selecting for use; For ease of carrying and increasing the service life, the shell of static sounding data collecting instrument 2 can be selected ABS engineering plastics, panel aluminium saw lumber matter for use on the ground; For reducing the mutual effect between system's operation easier and raising system and the user, select reliable connector, Chinese liquid crystal display for use, modes such as button operation menu; For prolonging the working time of system, be equipped with big capacity rechargeable battery and adopt the low-power consumption components and parts, for example underground system provides big capacity 5V square powered battery, overground system provides the power supply of 9V charged lithium cells, about 2 hours of the continuous operation at least of underground static sounding data collecting card, static sounding data collecting instrument about 10 hours of stream time at least on the ground.
In conjunction with Fig. 2, adopt the utility model to carry out the method for static sounding data acquisition process, may further comprise the steps:
Step 1, underground static sounding data collecting card are gathered in real time and are handled the signal of static sounding probe initial detecting value, and it gathers with processing procedure as follows in real time:
101, described analog signal processing module one 1-2 static point resistance signal that static sounding probe 1-2 is exported and awl wall frictional resistance signal amplifies successively and filtering is exported to microcontroller one 1-1 after handling;
102, the signal exported of described microcontroller one 1-1 timing acquiring analog signal processing module one 1-2 and carry out the A/D conversion, simultaneously, microcontroller one 1-1 reads the lock in time one that synchronised clock module one 1-3 is exported;
103, described microcontroller one 1-1 judges according to certain basis for estimation whether the data after A/D changes are necessary storage, if determine storage, then store lock in time one earlier, stores static point resistance signal and awl wall frictional resistance signal then;
201, the feeler lever depth signal exported of described microcontroller two 2-1 timing acquiring photoelectric encoder 2-10, simultaneously, microcontroller two 2-1 read lock in time two that synchronised clock module two 2-3 are exported and described lock in time two and feeler lever depth signal are stored among data memory module two 2-4 with specific form, and described lock in time two and feeler lever depth signal are presented on the LCD MODULE 2-6 in real time;
202, described microcontroller two 2-1 gather lock in time one, static point resistance signal and the awl wall frictional resistance signal that is stored in the underground static sounding data collecting card 1 by data communication module two 2-7 and data communication module one 1-5 and are stored among data memory module two 2-4, simultaneously described lock in time one, static point resistance signal and awl wall frictional resistance signal are presented on the LCD MODULE 2-6 in real time;
Timing described in the step 201 is identical with timing described in the step 102, and particularly, the speed of getting is 1 time/second; Lock in time described in the step 201 one is corresponding with lock in time described in the step 202 two;
Step 4, the static sounding data are handled and shown: described static sounding data host computer management system 3 is called data processing module to received described lock in time one, static point resistance signal and awl wall frictional resistance signal and lock in time two and feeler lever depth signal are carried out comprehensive analysis processing, and obtaining static point resistance and the corresponding curve of the feeler lever degree of depth and awl wall frictional resistance and the corresponding curve of the feeler lever degree of depth, while static sounding data host computer management system 3 is called data disaply moudle the static point resistance that analyzing and processing draws is shown with the corresponding curve of the feeler lever degree of depth synchronously with corresponding curve of the feeler lever degree of depth and awl wall frictional resistance; Described static point resistance is that abscissa, the feeler lever degree of depth are ordinate with the corresponding curve of the feeler lever degree of depth with the static point resistance value, and described awl wall frictional resistance is that abscissa, the feeler lever degree of depth are ordinate with the corresponding curve of the feeler lever degree of depth with awl wall frictional resistance value.
In the present embodiment, the basis for estimation described in the step 203 is: when the static point resistance signal data is 0 with awl wall frictional resistance signal data, do not store; When identical or close static point resistance signal data of continuous appearance or awl wall frictional resistance signal data, correspondence is only stored twice, this mode is based on the continuity that the static sounding probe voltage signal changes, be that signal can not undergone mutation, benefit is to have reduced redundant data, and, can also restore the not data of storage in static sounding data host computer management system 3, guaranteed information integrity.
In the operating process of above-mentioned steps two and step 3, can select the function that is presented at the ground static sounding data collecting instrument 2 on the LCD MODULE 2-6 by operation push-button module 2-5, its function comprises data acquisition, data communication, time is adjusted and time adjustment, by operating button, following button, left button and right button are selected, and by determining button and returning button and determine or return and reselect, the system mode that each function is corresponding different, after microcontroller two 2-1 get access to user's operation, can judge and whether respond this operation, which kind of state guard system is not in, and system all can respond return.
Described static sounding data host computer management system 3 comprises system configuration module, port arrangement module, data reception module, data processing module, data disaply moudle, data query module and system help module; Described system configuration module mainly realizes data, authority, login password and the additions and deletions management of system user; Described port arrangement module mainly realizes static sounding data host computer management system 3 and the setting (comprising port numbers, baud rate, data format and check code etc.) of static sounding data collecting instrument 2 data communication parameters on the ground; Described data reception module is mainly realized synchronised clock one, static point resistance signal and the awl wall frictional resistance signal of underground static sounding data collecting card 1 collection that real-time reception ground static sounding data collecting instrument 2 is sent and the synchronised clock two and the feeler lever depth signal of ground static sounding data collecting instrument 2 collections, and the data that receive are kept in the specified database with set form, and the data that before receiving data needs received identify (information such as position, Kong Hao of promptly importing data acquisition); Described data processing module is mainly realized the static point resistance signal data that underground static sounding data collecting card 1 is gathered, the match of the feeler lever depth signal data of awl wall frictional resistance signal data and static sounding data collecting instrument collection on the ground, its fitting condition is the synchronised clock two of the synchronised clock one of static sounding data collecting card 1 collection under the base area and static sounding data collecting instrument 2 collections on the ground, then that match is good later data are drawn out with the form of curve and can be printed curve by report form, the corresponding relation of curve is that static point resistance is corresponding with the feeler lever degree of depth, and awl wall frictional resistance is corresponding with the feeler lever degree of depth; Described data disaply moudle is mainly realized the demonstration of the curve that the match of described data processing module institute is come out; Described data query module mainly realizes the inquiry (can be condition query according to data acquisition time, data acquisition position and data acquisition hole number) and the history of printing data of historical data; Described system help module mainly provides information such as system's operating instruction.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is imposed any restrictions; everyly any simple modification that above embodiment did, change and equivalent structure are changed, all still belong in the protection domain of technical solutions of the utility model according to the utility model technical spirit.
Claims (8)
1. no cable formula static penetrometer, it is characterized in that: comprise and pack in the feeler lever and gather in real time and the underground static sounding data collecting card (1) of storage static sounding probe (4) institute detection data and be used for underground static sounding data collecting card (1) is gathered the static sounding data host computer management system (3) that the data of storing are handled and shown with underground being used for of static sounding probe (4) injection, comprise also being used for underground static sounding data collecting card (1) is gathered the ground static sounding data collecting instrument (2) that the data of storing send static sounding data host computer management system (3) to that described ground static sounding data collecting instrument (2) joins with static sounding data collecting card (1) and static sounding data host computer management system (3) respectively;
Described underground static sounding data collecting card (1) comprises microcontroller one (1-1), the analog signal processing module one (1-2), synchronised clock module one (1-3), data memory module one (1-4) and the data communication module one (1-5) that join with microcontroller one (1-1) respectively and is the power module one (1-6) of each power unit power supply that described analog signal processing module one (1-2) is joined with static sounding probe (4);
Described ground static sounding data collecting instrument (2) comprises microcontroller two (2-1), the photoelectric encoder (2-2) that joins with microcontroller two (2-1) respectively, synchronised clock module two (2-3), data memory module two (2-4), operation push-button module (2-5), LCD MODULE (2-6), with the matching used data communication module two of data communication module one (1-5) (2-7), with the matching used data communication module three of static sounding data host computer management system (3) (2-8), and being the power module two (2-9) of each power unit power supply, described photoelectric encoder (2-2) is arranged on the top of feeler lever.
2. according to the described no cable formula static penetrometer of claim 1, it is characterized in that: described microcontroller one (1-1) is the inner single-chip microcomputer STC12C5A60S2AD that is integrated with the A/D converting unit.
3. according to the described no cable formula static penetrometer of claim 1, it is characterized in that: described analog signal processing module one (1-2) constitutes by the amplifying circuit that joins with static sounding probe (4) with filter circuit that amplifying circuit joins, and described filter circuit and microcontroller one (1-1) join.
4. according to the described no cable formula static penetrometer of claim 1, it is characterized in that: described data memory module one (1-4) and data memory module two (2-4) are eeprom memory.
5. according to the described no cable formula static penetrometer of claim 1, it is characterized in that: described microcontroller two (2-1) is single-chip microcomputer STC89C52RC.
6. according to the described no cable formula static penetrometer of claim 1, it is characterized in that: described data communication module one (1-5), data communication module two (2-7) and data communication module three (2-8) are RS-232 serial communication circuit module.
7. according to the described no cable formula static penetrometer of claim 1, it is characterized in that: described operation push-button module (2-5) comprises and is used for backlight key that the display mode backlight of LCD MODULE (2-6) is selected, be used for LCD MODULE (2-6) is gone up last button that displayed content selects, button, left button and right button down, and definite button with return button.
8. according to the described no cable formula static penetrometer of claim 1, it is characterized in that: described static sounding probe (4) is static sounding doube bridge probe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200313065U CN201990996U (en) | 2011-01-28 | 2011-01-28 | Cable-less type static-sounding instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200313065U CN201990996U (en) | 2011-01-28 | 2011-01-28 | Cable-less type static-sounding instrument |
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| CN2011200313065U Expired - Lifetime CN201990996U (en) | 2011-01-28 | 2011-01-28 | Cable-less type static-sounding instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174807A (en) * | 2011-01-28 | 2011-09-07 | 长安大学 | Ropeless static penetrometer and method for acquiring and processing data |
| CN105256786A (en) * | 2015-11-02 | 2016-01-20 | 赵新宏 | Cable-free static sounding equipment and using method thereof |
| CN109632535A (en) * | 2018-12-21 | 2019-04-16 | 长安大学 | A kind of pseudo-static experimental method reflecting incentive action characteristic |
| CN110365356A (en) * | 2019-06-20 | 2019-10-22 | 东南大学 | The device of hole pressure touching methods test data wireless transmission can be achieved |
| CN110359441A (en) * | 2019-06-20 | 2019-10-22 | 东南大学 | Wireless hole pressure touching methods test macro based on sonic transmissions |
-
2011
- 2011-01-28 CN CN2011200313065U patent/CN201990996U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102174807A (en) * | 2011-01-28 | 2011-09-07 | 长安大学 | Ropeless static penetrometer and method for acquiring and processing data |
| CN102174807B (en) * | 2011-01-28 | 2012-06-27 | 长安大学 | Ropeless static penetrometer and method for acquiring and processing data |
| CN105256786A (en) * | 2015-11-02 | 2016-01-20 | 赵新宏 | Cable-free static sounding equipment and using method thereof |
| CN105256786B (en) * | 2015-11-02 | 2017-03-22 | 赵新宏 | Cable-free static sounding equipment and using method thereof |
| CN109632535A (en) * | 2018-12-21 | 2019-04-16 | 长安大学 | A kind of pseudo-static experimental method reflecting incentive action characteristic |
| CN110365356A (en) * | 2019-06-20 | 2019-10-22 | 东南大学 | The device of hole pressure touching methods test data wireless transmission can be achieved |
| CN110359441A (en) * | 2019-06-20 | 2019-10-22 | 东南大学 | Wireless hole pressure touching methods test macro based on sonic transmissions |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110928 Effective date of abandoning: 20120627 |