CN203396712U - In-situ scanning device - Google Patents
In-situ scanning device Download PDFInfo
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- CN203396712U CN203396712U CN201320549590.4U CN201320549590U CN203396712U CN 203396712 U CN203396712 U CN 203396712U CN 201320549590 U CN201320549590 U CN 201320549590U CN 203396712 U CN203396712 U CN 203396712U
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Abstract
The utility model discloses an in-situ scanning device which comprises a scanning device main body and a connecting rod, wherein the scanning device main body comprises a guide part and a scanning part; the in-situ scanning device also comprises a control system arranged in the in-situ scanning device main body; the control system comprises a central processing unit (CPU) and a motor driving module, wherein the CPU is used for processing the data in the control system and controlling all parts; the motor driving module is used for driving a motor at the rotating speed corresponding to the needed resolution ratio. The in-situ scanning device can be used for continuously acquiring the pattern data of the cylindrical inner wall of various objects needed to be measured, carrying out primary processing, storing the data and carrying out data exchange with other terminals, so that the plant root system in the soil can be scanned and measured by the device in situ in the field environment, and the in-situ scanning device is also used for the research of mire, rock, soil, geology, and the like.
Description
Technical field
The utility model relates to image data acquiring field, is specifically related to a kind of in-situ scanning device.
Background technology
In-situ scanning device need to be used in increasing field, for example, and soil analysis, ground analysis, geology archaeology, the analysis of deep layer mire, root system of plant research etc.Especially the research of root system of plant.Root system of plant is to fixing plant and obtain moisture and nutrient plays an important role, but the restriction of soil unobservability brings certain difficulty to the ecological research of root system.Therefore, find the method for home position observation root growth just to seem particularly important to research root system ecology.Plant roots in situ scanning technique is considered to study the most promising method of root system ecology at present.
But conventional root system research method is the root method of washing at present, carries out scanning survey after root system being dug out from soil clean with scanner.The method can cause the variation of root system position, the damage of structure and fracture in the process of excavating, washing root.And after digging out root system of plant, plant will be dead, and the method can not continuous coverage.
Chinese utility model patent application number 201210231267.2 discloses the root system of the method mensuration plant that adopts phytotron under a kind of soil cultivation condition.The method be take radial transparent vessel as potted plant growing container, and each locellus keeps at a certain distance away, and uses picture analyzing software statistics Root Characteristics after then by camera, root system image taking being got off.The shortcoming of the method is also not to be to measure at soil situ, and plant root growth for being confined to one very in narrow space, can not truly be reflected the growth conditions of root system of plant by people.
Paper in literature periodical " Acta Ecologica Sinica " " micro-root window technology and the application in root system of plant research thereof " has been mentioned a kind of method of utilizing camera connection control enclosure and computer to take underground root system, but the method must connect computer to be used, and can not be applicable to field conditions.In very short distance, photographic images has serious flake benefit in addition, causes anamorphose distortion serious, causes the data of acquisition inaccurate.
U.S. CID Bio-Science, the CI-600(http that Inc company produces: //www.cid-inc.com/cn/root-image/ci-600.php) plant roots in situ scanister, because the reason of physical construction can not complete 360 complete degree scannings, can only scan 355 degree.Because there is the marking rod of a mark starting point and ending point in the Scan Architecture of CI-600, rotating mechanism from then on Gan position starts scanning, after scanning approaches one week, approach switch arrives at this marking rod and stops scanning, rotating mechanism reverse rotation scanning more afterwards, all the time the image of 355 degree can only be scanned in a word, scanning in complete one week can not be realized.The circuit design of CI-600 is not considered the environmental requirement that field, field is used, during use, must connect computer and carry out work, there is no powered battery, there is no file memory function, cause operator must carry notebook work in the wild, and the also promising equipment power supply except powering to notebook of the battery of notebook, running time is very short, can not meet the requirement that field is used completely.You compare great gap between CI-600 rotary part and fixed part, thus dust, grogs are very easy to enter and cause can not working and the lost of life.
It is also often defective in soft mire, each layer of earth sampling being studied, and need to study the sediment distributing in each layer of mire, to investigate the deposition time limit, deposition process, needs sediment to remain on original position and scans.After punching, earth also can pour in hole and cannot investigate.Effective method is to insert transparent pipe in mire, forms cylindricly, and the outer wall that is transparent pipe to the cylinder inner wall of mire carries out image acquisition.For the soil investigation that needs original position to investigate, earth's crust archaeology, it is also very important obtaining in-situ image data.In order to obtain in-situ image data, need to a kind ofly can carry out in position the setting of data acquisition.
For this reason, the utility model proposes a kind of in-situ scanning device, be used under the field environment of field, at soil situ, root system of plant carried out to scanning survey, also can be for researchs such as mire, ground, soil, geology.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of in-situ scanning device, can continue to obtain the various pattern datas that need the circle tube inner wall of measuring object, rough handling, storage and with other-end swap data.
For solving the problems of the technologies described above, the utility model provides a kind of in-situ scanning device, and it comprises scanister main body and connecting link, and described scanister main body comprises:
Guide part, comprises front guide part and rear guide part, for guide described scanister main body when placing described scanister main body to transparent pipe or take out described scanister main body from described transparent pipe;
Scanner section, for respect to described guide part around axial rotation, described transparent pipe outer wall is scanned and image data;
In described scanner section or described guide part, be provided with motor, this motor is used for driving described scanner section to rotate with respect to described guide part;
Described connecting link is connected with described scanister main body, and draws described scanister main body when described scanister main body passes in and out described transparent pipe;
It is characterized in that, described in-situ scanning device also comprises the control system being arranged in described in-situ scanning apparatus main body, and this control system comprises: central processing unit, for the data processing of described control system and the control of each parts; Motor drive module, this motor drive module drives described motor with the rotating speed corresponding with needed resolution.
Further, provide in-situ scanning device as above, it is characterized in that, described set-up of control system has communication module, and this communication module is for realizing exchanges data by wired or wireless mode and exterior terminal.
Further, provide in-situ scanning device as above, it is characterized in that, described set-up of control system has storage unit or storage unit interface.
Further, in-situ scanning device as above is provided, it is characterized in that, described set-up of control system has power module, this power module is for managing and control dormancy, startup and the power-saving running of described each parts of in-situ scanning device, and this power module comprises the rechargeable battery for powering.
Further, provide in-situ scanning device as above, it is characterized in that, described set-up of control system has LCD MODULE, and described scanner section side is provided with the display window corresponding with this LCD MODULE position.
Further, provide in-situ scanning device as above, it is characterized in that, described in-situ scanning device also comprises joystick, and it is for being connected by wireless or cable with described control system, and realization is controlled.
Further, provide in-situ scanning device as above, it is characterized in that, the joint between described front guide part and described rear guide part and described scanner section is provided with dustproof construction.
Further, provide in-situ scanning device as above, it is characterized in that, described control system also comprises a plurality of function buttons, and it is arranged on the side of described scanner section, for the parameter of described control system is set.
Further, provide in-situ scanning device as above, it is characterized in that, described control system also comprises a plurality of status indicator lamps, for showing the running status of described each parts of control system.
Further, provide in-situ scanning device as above, it is characterized in that, on described front guide part and described rear guide part, be provided with angle sheave.
Storage unit that the utility model is built-in can make the utility model constraint of separating computer completely by the image of scanning or file permanent storage in device, and liberation operator's both hands, alleviating trip heavy burden and labour intensity.Can be in scanister built-in rechargeable battery, also can be in joystick built-in high capacity cell, and in handle, battery can also conveniently be changed handle after using up, to guarantee that operator can long-time continuous use.
The utility model is brand-new structural design, has avoided the appearance of problems completely, can carry out continuously 360 degree scannings, and setting is to scan at any angle, there is no blind area, dead angle.
The distinctive dustproof design of the utility model can effectively reduce the quantity of dust and grogs access to plant, and normal stable the working long hours of assurance device extended the life-span of installing.
Compared with prior art, the utlity model has following advantage:
The utility model can carry out in-situ scanning to the root system of Field Plants, and measurement data is exactly the in-situ root system data in field soil, and CI-600 root system scanister can really obtain the scan-data that 360 degree are complete relatively, there is no blind area.
The utility model has dustproof design in physical construction, can effectively reduce entering of dust grogs while working in the wild.
Operation of the present utility model does not need external computer, can directly by joystick, operate, and the image of scanning or file are directly stored in this device, is applicable to very much field condition and measures.
The data that the utility model is measured can facilitate field operation by being wirelessly transmitted to desktop computer, notebook, smart mobile phone, palm PC, embedded system etc., and the equipment that can connect is numerous, and can realize a plurality of equipment and connect simultaneously and communicate by letter.
The utility model has power management module, rationally power saving, and external battery, can guarantee by conveniently changing the mode of joystick the chronicity of field work.
Accompanying drawing explanation
Above-mentioned and other feature, character and advantage of the present utility model becomes more obvious by the description by below in conjunction with drawings and Examples, wherein:
Fig. 1 is the structural representation of the in-situ scanning device of an embodiment of the present utility model;
Fig. 2 is the functional module structure schematic diagram of the in-situ scanning device of an embodiment of the present utility model;
Fig. 3 is the joystick schematic diagram of the in-situ scanning device of an embodiment of the present utility model;
Fig. 4 is according to the partial structurtes schematic diagram of the in-situ scanning device of an embodiment of the present utility model.
Embodiment
Below in conjunction with specific embodiments and the drawings, the utility model is described in further detail; set forth in the following description more details so that fully understand the utility model; but the utility model obviously can be implemented with multiple this description ground alternate manner that is different from; those skilled in the art can do similar popularization, deduction according to practical situations without prejudice to the utility model intension in the situation that, therefore should be with the content constraints of this specific embodiment protection domain of the present utility model.
Fig. 1 is the structural representation of the in-situ scanning device of an embodiment of the present utility model.Wherein, in-situ scanning device comprises scanister main body and connecting link 108, scanister main body comprises: guide part, comprise front guide part 102A and rear guide part 102B, for boot scan apparatus main body when placing scanister main body to transparent pipe or take out scanister main body from transparent pipe; Scanner section 100, for respect to guide part around axial rotation, transparent pipe outer wall is scanned and image data; In scanner section 100 or guide part, be provided with motor, this motor rotates with respect to guide part for driven sweep portion; Connecting link 108 is connected with scanister main body, and draws scanister main body when scanister main body turnover transparent pipe.
As shown in Figure 2, in an embodiment of the present utility model, in-situ scanning device can also comprise the control system being arranged in in-situ scanning apparatus main body, and this control system comprises: central processing unit 201, for the data processing of this control system and the control of each parts; Motor drive module 208, this motor drive module is with the rotating speed drive motor corresponding with needed resolution.Conventionally, while needing high resolving power, can make motor slowly run, so that scanister obtains high resolution image data; If while needing quick obtaining low resolution image data, can make motor with high-speed rotation.
According to another embodiment of the present utility model, wherein, in control system, can be provided with communication module.As shown in Figure 2, communication module can comprise line communication module 210 and wireless communication module 211.
Wherein, wire communication module 210 includes but not limited to the multiple combinations such as USB, RS232 serial ports, RS485 serial ports, RS242 serial ports, parallel port, I2C, CAN, network interface or wherein a kind of by the structure of cable transmission data.
Wireless communication module 211 includes but not limited to RF radio frequency, bluetooth, WIFI, the multiple combination or wherein a kind of by the structure of wirelessly transmitting data such as infrared.
According to another embodiment of the present utility model, wherein, in control system, can be provided with storage unit or memory interface 205.Storage unit includes but not limited to various flash memories, SD card, TF card, SSD dish etc.
According to another embodiment of the present utility model, wherein, control system can be provided with power module 207, and this power module, for managing and control dormancy, startup and the power-saving running of each parts of in-situ scanning device, can be provided with the rechargeable battery for powering in this power module.
According to another embodiment of the present utility model, wherein, control system can be provided with LCD MODULE 212, and scanner section 100 sides are provided with the display window corresponding with this LCD MODULE position 105, with reference to figure 1 and Fig. 2.
Fig. 3 is according to the joystick of the in-situ scanning device of another embodiment of the present utility model.In this embodiment, in-situ scanning device can also comprise joystick 315, and it is for being connected by wireless or cable with control system, and realization is controlled.On joystick 315, can be provided with data transfer switch 316 and start/stop scanning switch 317.Data transfer switch 316 is for the control system on gated sweep apparatus main body and the data transmission between other-end.For example, by communication module and computer, communicate, the storage card that the data image of realizing scanning inserts from storage unit or the memory interface of control system is uploaded in computer to be browsed and subsequent treatment.Also can have the equipment of wireless transmission function to communicate by wireless communication module and other, the storage card that the data image of realizing scanning inserts from storage unit or the memory interface of system is uploaded in computer, notebook, hand-held device, smart mobile phone or embedded system to be browsed and processes.Start/stop scanning switch 317 is for starting or stoping scanister.
According to another embodiment of the present utility model, the joint between front guide part and rear guide part and scanner section is provided with dustproof construction 104A, 104B.Dustproof construction can be front dustproof groove 104A and the rear dustproof groove 104B that is set to the less elbow structure in gap, this structure has reduced two gaps that have between relative motion object, having increased air, dust, grogs access to plant inside needs the distance of process, thereby significantly reduces the probability of dust and grogs access to plant.
According to another embodiment of the present utility model, wherein, control system can also comprise a plurality of function buttons 208,107, and it is arranged on scanner section 100 side, can be used for arranging the parameter of control system.
According to another embodiment of the present utility model, wherein, control system can also comprise a plurality of status indicator lamps, for the running status of each parts of display control program.
According to another embodiment of the present utility model, wherein, on front guide part 102A and rear guide part 102B, be provided with angle sheave 103, when assisting main frame in site measurement in the level and smooth turnover of root pipe.
According to in-situ scanning device of the present utility model, wherein, control system can also comprise: linear array photosensitive sensor 202, data buffer storage (can comprise linear array data buffer storage 203 and face battle array data buffer storage 204), time-sequence control module 206.
As shown in Figure 1, scanner section 100 is the vitals of in-situ scanning device, above with linear array photosensitive sensor 101, wire transmission interface 106, display screen 105, button 107.
As shown in Figure 2, central processing unit 201 is cores of whole system, is responsible for the raw image data synthetic image file (form includes but not limited to JPG, PNG, GIF, TIF) in face battle array data buffer storage 204 and formatted file (including but not limited to PDF, DOC, DOCX, RAW).These files are deposited in internal or external storage unit.By power module 207, manage and control dormancy, startup and the power-saving running of each parts in in-situ scanning device.The action that receives user's control knob 209,316,317,107 arranges the work of parameter and the control system of system.By motor drive module 208, allow motor at the uniform velocity rotate with the corresponding speed of the resolution with needs, can adapt to different resolution by controlling rotational speed.Can also control by central processing unit 201 demonstration of LCDs 212, the information such as file layout of the duty of display system, remaining battery power, the amount of images of having stored, image scanning quality information, storage.The duty of the light on and off prompt system by central processing unit 201 state of a control pilot lamp 213.
The sensor that linear array photosensitive sensor 202 is is straight line by a lot of small sensitivity speck close-packed arrays, the about 28 μ m of each sensitivity speck spacing.Before each sensitivity speck, there is a micro lens, can collect and focus on sensitivity speck apart from 10mm light intensity.The core parts of sensitivity speck are mos capacitances, photon is converted into electronics, through time-sequence control module 206, electronics being converted into electric current serial stores in linear array data buffer storage 203, a line view data scanning so is just got off by blotter, time-sequence control module 206 is given motor drive module 208 motion clock signals, allow after an angle of motor rotation, then control linear array photosensitive sensor 202 and carry out the scanning of next line data.Go round and begin again like this, system just can scan the root system image of whole circle 360 degree, or in order to prevent that the gear clearance in rotating mechanism from surpassing the root system image scanning of 360 degree scopes; Scanning angle is not limited to 360 degree, can be arranged arbitrarily by central processing unit.
Fig. 4 is according to the partial structurtes schematic diagram of the in-situ scanning device of an embodiment of the present utility model.In scanner section 100, can be provided with motor 413, wherein, motor 413 shells 412 are fixing with scanner section 100, and rotor 414 is fixed with guide part 102A or 102B.When motor drive module 108 is given motor 413 output electrical signals, rotor 414 rotates relative to motor 413, and guiding parts and transparent pipe tube wall are fixed, and scanner section 100 is scanned around axial-rotation.Be different from CI-600, the utility model does not have initial sum terminating point in design, can start at an arbitrary position and stop scanning, starting point and ending point is accurately controlled by time-sequence control module 206 by central processing unit 201, does not exist as CI-600 and has marking rod and so on to cause the restraining mass that can not rotate complete cycle.
The effect of linear array data buffer storage 203 is that a line view data blotter of linear array photosensitive sensor 202 scannings is got off, because linear array photosensitive sensor 202 can only be realized the function that light signal is converted into electric signal, while again scanning, original signal can be covered completely, this electric signal can not be recorded.The feature of linear array data buffer storage 203 is that data rate memory is fast, but cost Gao， space is little, is therefore only used for the data of linear array photosensitive sensor 202 to carry out fast interim buffer memory.The complete a line view data of often collecting in linear array data buffer storage 203 is just submitted to this line view data in face battle array data buffer storage 204 and is stored under the sequential control of time-sequence control module 206, and data just discharge Ci Duan space after having submitted to store the new view data from linear array photosensitive sensor 202.
The effect of face battle array data buffer storage 204 is the ephemeral data from linear array data buffer storage 203 to be grown to the storage of a period of time.Be characterized in that read or write speed is moderate, space is larger, and cost is moderate.Face battle array data buffer storage 204 receives after complete a line view data that linear array data buffer storage 203 submits to just by the sequencing Coutinuous store of submitting to, system has not scanned an angle, in face battle array data buffer storage 204, increase the data that a line is new, like this after having scanned, in face battle array data buffer storage 204, all raw data have just been recorded, but this data are also ephemeral datas, and after system closedown power-off, data have just disappeared, and can not permanent storage get off.This data are raw data of image in addition, are not general image forms, can not be identified and analyze by image software, and this raw data is too huge, are not easy to storage and transmission.Therefore when completing battle array data buffer storage 204 below, scanning work just entire image data are submitted to central processing unit 201, central processing unit 201 is converted into original view data image file or the formatted file of standard, storage space can be little a lot of like this, and can be browsed and process by vertical many image softwares or the identification of other special softwares.
The effect of storage unit or interface 205 is that the image file of finishing dealing with or formatted file are stored, to upload on computer or other-end equipment.The capacity that is characterized in is very large, and cost is lower, even file can not lost yet after power-off.
The effect of time-sequence control module 206 is to provide clock information for linear array photosensitive sensor 202 and motor drive module 208, allows it by frequency collection picture signal and the rotation set.
The effect of power module 207 is management and dormancy, startup and the power-saving running of controlling each parts in described in-situ scanning device, the voltage of input is carried out offering each element of system after voltage stabilizing and filtering, and can comprise rechargeable battery.In addition, can also receive control dormancy or the automatic shutdown signal of central processing unit 201, when system boot but while not scanning, power module 207 can not opened lighting source and motor, saved system power consumption is in a lower level, when system is within a certain period of time without any when operation, central processing unit 201 can notice power modules 207 allows its power-off, realizes the object of system automatic shutdown.
According to in-situ scanning device of the present utility model, wireless communication module can be set, by wireless connections, facilitate field operation, the equipment that can connect is numerous, and can realize a pair of one or more equipment and connect simultaneously and communicate by letter; Or wireless communication module 211 with have after the equipment connection of communication Protocol Conversion function, realize above-mentioned functions.
The effect of LCDs 212 is by the parameter display of system out, and handled easily person observes its state.The content showing comprises the resolution of scan image, the information such as quantity, communications status of memory image.
The effect of control knob 209 is to allow the work of operator's control system, can control its start/stop scanning, sets the resolution of scanning, On/Off radio function etc.
The effect of status indicator lamp 213 is that the real-time status of system is reminded to operator in the most significant mode, and for example whether system scans, and whether radio function has been unlocked etc.
When using in-situ scanning device of the present utility model, can be around being observed plant or in soil or ground or other objects that need to study, with earth boring auger, punch, imbed the transparent pipe of base seal, connecting link 108, control line 109 are connected with rear guide part 102B, device is put into transparent pipe.Press start/stop scanning switch 317, sweep unit 100 starts to do circular scan, and the degree of depth that can put into by connecting link 108 converting means after having scanned scans again.After having scanned, press wireless transmission switch 316, by receive picture or the file of scanning such as mobile phone, computer or other-end.After completing surveying work, device is taken out from root pipe, unload lower connecting rod 108 and control line 109.
Although the utility model with preferred embodiment openly as above, it is not for limiting the utility model, and any those skilled in the art, within not departing from spirit and scope of the present utility model, can make possible change and modification.Therefore, every content that does not depart from technical solutions of the utility model, any modification, equivalent variations and the modification above embodiment done according to technical spirit of the present utility model, within all falling into the protection domain that the utility model claim defines.
Claims (10)
1. an in-situ scanning device, it comprises scanister main body and connecting link, described scanister main body comprises:
Guide part, comprises front guide part and rear guide part, for guide described scanister main body when placing described scanister main body to transparent pipe or take out described scanister main body from described transparent pipe;
Scanner section, for respect to described guide part around axial rotation, described transparent pipe outer wall is scanned and image data;
In described scanner section or described guide part, be provided with motor, this motor is used for driving described scanner section to rotate with respect to described guide part;
Described connecting link is connected with described scanister main body, and draws described scanister main body when described scanister main body passes in and out described transparent pipe;
It is characterized in that, described in-situ scanning device also comprises the control system being arranged in described in-situ scanning apparatus main body, and this control system comprises: central processing unit, for the data processing of described control system and the control of each parts; Motor drive module, this motor drive module drives described motor with the rotating speed corresponding with needed resolution.
2. in-situ scanning device as claimed in claim 1, is characterized in that, described set-up of control system has communication module, and this communication module is for realizing exchanges data by wired or wireless mode and exterior terminal.
3. in-situ scanning device as claimed in claim 1, is characterized in that, described set-up of control system has storage unit or storage unit interface.
4. as the in-situ scanning device of claims 1 to 3 as described in any one, it is characterized in that, described set-up of control system has power module, this power module is for managing and control dormancy, startup and the power-saving running of described each parts of in-situ scanning device, and this power module comprises the rechargeable battery for powering.
5. in-situ scanning device as claimed in claim 4, is characterized in that, described set-up of control system has LCD MODULE, and described scanner section side is provided with the display window corresponding with this LCD MODULE position.
6. in-situ scanning device as claimed in claim 5, is characterized in that, described in-situ scanning device also comprises joystick, and it is for being connected by wireless or cable with described control system, and realization is controlled.
7. in-situ scanning device as claimed in claim 6, is characterized in that, the joint between described front guide part and described rear guide part and described scanner section is provided with dustproof construction.
8. in-situ scanning device as claimed in claim 7, is characterized in that, described control system also comprises a plurality of function buttons, and it is arranged on the side of described scanner section, for the parameter of described control system is set.
9. in-situ scanning device as claimed in claim 8, is characterized in that, described control system also comprises a plurality of status indicator lamps, for showing the running status of described each parts of control system.
10. in-situ scanning device as claimed in claim 9, is characterized in that, on described front guide part and described rear guide part, is provided with angle sheave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549590.4U CN203396712U (en) | 2013-09-05 | 2013-09-05 | In-situ scanning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320549590.4U CN203396712U (en) | 2013-09-05 | 2013-09-05 | In-situ scanning device |
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| CN203396712U true CN203396712U (en) | 2014-01-15 |
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| CN201320549590.4U Expired - Fee Related CN203396712U (en) | 2013-09-05 | 2013-09-05 | In-situ scanning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454279A (en) * | 2013-09-05 | 2013-12-18 | 毕昆 | In-situ scanning device |
| CN105929137A (en) * | 2016-06-13 | 2016-09-07 | 福建农林大学 | Device and method for drawing rhizospheric planar pH distribution diagram |
-
2013
- 2013-09-05 CN CN201320549590.4U patent/CN203396712U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454279A (en) * | 2013-09-05 | 2013-12-18 | 毕昆 | In-situ scanning device |
| WO2015032257A1 (en) * | 2013-09-05 | 2015-03-12 | Bi Kun | In-situ scanning apparatus |
| CN105929137A (en) * | 2016-06-13 | 2016-09-07 | 福建农林大学 | Device and method for drawing rhizospheric planar pH distribution diagram |
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| CF01 | Termination of patent right due to non-payment of annual fee |