CN106970122A - A kind of punching and measurement integrated device for soil moisture measurement - Google Patents
A kind of punching and measurement integrated device for soil moisture measurement Download PDFInfo
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- CN106970122A CN106970122A CN201710298387.7A CN201710298387A CN106970122A CN 106970122 A CN106970122 A CN 106970122A CN 201710298387 A CN201710298387 A CN 201710298387A CN 106970122 A CN106970122 A CN 106970122A
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- measurement
- probe
- punching
- soil moisture
- integrated device
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/221—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance by investigating the dielectric properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
Abstract
The present invention relates to a kind of punching for soil moisture measurement and measurement integrated device, including punching probe（1）With measurement probe（2）, it is characterised in that：Punch probe（1）For hollow-core construction, probe is measured（2）It is placed on punching probe（1）In；Punch probe（1）After punching is finished, measurement probe is discharged automatically（2）Carry out soil moisture measurement, it is to avoid measurement probe（2）Damaged in needing independence entrance pre-perforated or when entering pre-perforated by chad.
Description
Technical field
The present invention relates to, to the equipment of hydrologic process response relation, belong to for studying soil moisture content transformation under changing environment
Hydrology research equipment field, more particularly, to a kind of punching for soil moisture measurement and measurement integrated device.
Background technology
Time domain reflection technology of the section soil moisture measurement system based on profile soil moisture sensor, to direct measurement
The dielectric constant of soil or other media, the how rare substantial connection of dielectric constant again with soil water content, soil moisture content
It can be calculated and be shown out by frame of reference by analog voltage output.The technology is the master of current soil moisture content determining device
Principle is flowed, continuous, quick, accurate measurement can be carried out to soil moisture.It simultaneously can be used for measuring upper soll layer moisture content.Typically
The about 10-20 seconds equipment response time of section soil moisture measurement system principle, it is adapted to traverse measurement and fixed point monitoring, determines knot
Fruit is by Effects of Salinity very little.
But Usage profile soil moisture measurement system deeper soil moisture is measured when, pre- beaten due to supporting
Aperture apparatus can not ensure the probe of section soil moisture measurement system be disposably properly inserted it is pre-perforated in, be so likely to result in
The damage of section soil moisture measurement system probe.
In addition, during existing Usage profile soil moisture measurement system, due to the composition diversity in soil, solid chad pole
Its easily cause it is descending during measurement probe damage, soil water measuring instrument is expensive, causes use cost high.
Referring to following Chinese patent literature：
1st, patent name：A kind of improvement device for being used to determine soil moisture；Application number：200620168653.1；Patentee：
Shenyang Inst. of Applied Ecology, Chinese Academy of Sciences.The patent includes card punch and soil moisture instrument.First using card punch to soil
Punched, reuse soil moisture instrument and measure.But, its technological deficiency existed can not ensure soil moisture instrument
Measure probe accurately enter it is pre-perforated in, and be possible to during descending to be damaged by chad.
2nd, denomination of invention：A kind of pre-perforated device available for section soil moisture measurement system；Application number：
201610248040.7；Patent applicant：China Water Resources ＆ Hydropower Science Research Institute.The patent application solves perforating device and limit
Positioning relation between the pipe of position, but can not also ensure to be exactly into predetermined hole in follow-up placement measurement probe, and
If there is chad in descending, the damage of detection system will also result in.
The content of the invention
The present invention devises a kind of punching for soil moisture measurement and measurement integrated device, its technical problem solved
It is：（1）Existing Usage profile soil moisture measurement system deeper soil moisture is measured when, due to supporting pre-perforated
Device can not ensure the probe of section soil moisture measurement system be disposably properly inserted it is pre-perforated in, be so likely to result in and cut open
The damage of face soil moisture measurement system probe.（2）During existing Usage profile soil moisture measurement system, due in soil into
Point diversity, solid chad extremely easily cause it is descending during measurement probe damage, soil water measuring instrument is expensive, makes
It is high into use cost.
In order to solve above-mentioned technical problem, present invention employs following scheme：
A kind of punching and measurement integrated device for soil moisture measurement, including punching probe（1）With measurement probe（2）, its
It is characterised by：Punch probe（1）For hollow-core construction, probe is measured（2）It is placed on punching probe（1）In；Punch probe（1）Punching
After finishing, measurement probe is discharged automatically（2）Carry out soil moisture measurement, it is to avoid measurement probe（2）Need independent enter in advance
Damaged in punching or when entering pre-perforated by chad.
Further, probe is punched（1）Including cone excavation portion（11）, mobile link portion（12）, be fixedly connected with portion（13）With
And punching motor（14）, punch motor（14）Output end with being fixedly connected with portion（13）One end is connected, and is fixedly connected
Portion（13）The other end and mobile link portion（12）One end is attached by screw thread, mobile link portion（12）It is being fixedly connected with portion
（13）Rotate lower stretched；Mobile link portion（12）The other end passes through connection rotating shaft（15）With cone excavation portion（11）Connection；
Cone excavation portion（11）Pass through cone excavation portion switching mechanism（4）Probe will be measured（2）Discharged or withdrawn.
Further, the mobile link portion（12）Surface is provided with the helical groove for facilitating soil to export（16）.
Further, the cone excavation portion switching mechanism（4）Including expansion link（41）, fixed riffled tube（42）, elasticity
Hollow pipe（43）And release measurement probe actuation motor（45）, release measurement probe actuation motor（45）It is fixed on mobile link
Portion（12）On inwall, release measurement probe actuation motor（45）Output end and fixed riffled tube（42）One end is connected, fixed
Riffled tube（42）The other end and expansion link（41）One end is attached by screw thread, expansion link（41）In fixed riffled tube
（42）Rotate lower stretched；Flexible hollow tube（43）It is fixed on cone excavation portion（11）Inwall on, expansion link（41）It is another
End enters flexible hollow tube（43）In directly top open cone excavation portion（11）Or pass through flexible hollow tube（43）Cone is opened on top indirectly
Excavation portion（11）.
Further, the cone excavation portion（11）At least by two hemicones（111）Composition, each hemicone（111）If
There is a flexible hollow tube（43）, each hemicone（111）All pass through a connection rotating shaft（15）With mobile link portion（12）Connection.
Further, two hemicones（111）Unlatching pass through one it is described release measurement probe actuation motor（45）Realize；
Concrete structure is：Expansion link（41）By connecting annulus（44）It is connected with a push rod, measures probe（2）Through connection annulus
（44）；Expansion link（41）With a hemicone（111）On flexible hollow tube（43）Coordinate, push rod and another hemicone
（111）On another flexible hollow tube（43）Coordinate.
Further, each hemicone（111）With mobile link portion（12）Between be provided with a back-moving spring（46）It is used to help
Hemicone（111）Cone structure can be reverted to after being opened.
Further, in addition to mounting platform（3）, punch motor（14）It is fixed on mounting platform（3）On, measure probe
（2）One end be also mounted at mounting platform（3）On, mounting platform（3）Top connects an extension rod（5）.
Further, in addition to a position-limiting tube（6）, its whole pipe shaft is embedded in soil；Position-limiting tube（6）Inwall is axially
Provided with multiple position limiting slide blocks（61）, mounting platform（3）It is correspondingly provided with quantity identical limited impression（31）, position limiting slide block（61）With
Limited impression（31）Mutual cooperation ensures that both position relationships will not be offset.
Further, the punching probe（1）For two pieces, corresponding measurement probe（2）Also it is two pieces；Two pieces of punchings are visited
Pin（1）Work simultaneously, two pieces of measurement probes（2）Also work simultaneously.
The punching for being used for soil moisture measurement and measurement integrated device have the advantages that：
（1）The present invention will punch probe together with measurement probe combinations, and punching probe punching discharges measurement probe after finishing
Measure, reduce measurement probe need to individually enter it is pre-perforated in step, it is to avoid measurement probe enters error and led
The damage of measurement probe is caused, infringement of the pre-perforated middle chad to measurement probe can also be avoided.
（2）The present invention can realize the automation of punching and measurement, change over artificial excessively multicontact mode, improve
Measurement accuracy and measurement efficiency.
Brief description of the drawings
Fig. 1：The present invention is for the punching of soil moisture measurement and the structural representation of measurement integrated device；
Fig. 2：The operating diagram of cone excavation portion switching mechanism in Fig. 1；
Fig. 3：The schematic appearance of probe is punched in Fig. 1；
Fig. 4：Punching and measurement integrated device and position-limiting tube connection diagram of the present invention for soil moisture measurement；
Fig. 5：Cone excavation portion structural representation in Fig. 1；
Fig. 6：Punching and measurement integrated device control unit connection block diagram of the present invention for soil moisture measurement.
Description of reference numerals：
1-punching probe；11-cone excavation portion；111-hemicone；12-mobile link portion；13-it is fixedly connected with portion；14—
Punch motor；15-connection rotating shaft；16-helical groove；2-measurement probe；3-mounting platform；31-limited impression；
4-cone excavation portion switching mechanism；41-expansion link；42-fix riffled tube；43-flexible hollow tube；44-connection circle
Ring；45-release measurement probe actuation motor；46-back-moving spring；5-extension rod；6-position-limiting tube；61-position limiting slide block.
Embodiment
With reference to Fig. 1 to Fig. 6, the present invention will be further described：
As shown in figure 1, a kind of punching and measurement integrated device for soil moisture measurement, including punching probe 1 and measurement are visited
Pin 2, punching probe 1 is hollow-core construction, and measurement probe 2 is placed in punching probe 1.It is two pieces to punch probe 1, corresponding
It is also two pieces to measure probe 2；Two pieces of punching probes 1 work simultaneously, and two pieces of measurement probes 2 also work simultaneously.Punching probe 1 is punched
After finishing, measurement probe 2 is discharged automatically and carries out soil moisture measurement, it is to avoid measurement probe 2 needs independent to enter pre-perforated
In or enter it is pre-perforated when damaged by chad.
Specifically, punching probe 1 includes cone excavation portion 11, mobile link portion 12, is fixedly connected with portion 13 and punching
Motor 14, punching motor 14 output end be connected with being fixedly connected with the one end of portion 13, be fixedly connected the other end of portion 13 and
The one end of mobile link portion 12 is attached by screw thread, and mobile link portion 12 is stretched under being rotated in the portion that is fixedly connected 13.Move
The other end of rotation connection 12 is connected by connection rotating shaft 15 with cone excavation portion 11.Opened by cone excavation portion in cone excavation portion 11
Shutting mechanism 4 will measure probe 2 and be discharged or be withdrawn.
The above-mentioned portion 13 that is fixedly connected does not mean that it is fixed, and refers to its with punching the output of motor 14
End is fixedly connected, and in the presence of punching motor 14, is fixedly connected with portion 13 and is rotated, and by threaded function in mobile link
Portion 12 is also rotated, and causes it to be changed with being fixedly connected with the threaded connection length of portion 13 in the rotation process of mobile link portion 12, from
And realize flexible.So, mobile link portion 12 is covered with the bar structure of screw thread with an appearance is needed in the portion that is fixedly connected 13, separately
One is the internal tubular structure for being covered with screw thread.The length of both screw threads can be entered with the movable length of installation requirement mobile link portion 12
Professional etiquette is determined.
Operation principle is as follows：When wireless control receiver is by instructing startup punching motor 14, motor is punched
14 rotate forward, and driving is fixedly connected with portion 13 and also rotated forward, and finally cause the rotation of mobile link portion 12 to stretch out, the lower end of mobile link portion 12
Cone excavation portion 11 starts punching by way of rotation in soil.After punching is finished, wireless control receiver is by referring to
Order starts punching motor 14 and inverted, and the rotation of mobile link portion 12 is retracted, and cone excavation portion 11 is also lifted.Similarly, if
After being opened in cone excavation portion 11, the punching reversion of motor 14 can cause measurement probe 2 in pre-perforated.
As shown in Fig. 2 cone excavation portion switching mechanism 4 includes expansion link 41, fixed riffled tube 42, flexible hollow tube 43
And release measurement probe actuation motor 45, discharge measurement probe actuation motor 45 and be fixed on the inwall of mobile link portion 12, release
The output end for putting measurement probe actuation motor 45 is connected with fixed one end of riffled tube 42, and the fixed other end of riffled tube 42 is with stretching
The one end of contracting bar 41 is attached by screw thread, and expansion link 41 is stretched in the case where fixed riffled tube 42 is rotated；Flexible hollow tube
43 are fixed on the inwall in cone excavation portion 11, and the other end of expansion link 41, which enters directly to push up in flexible hollow tube 43, opens cone excavation
Portion 11 opens cone excavation portion 11 by the indirect top of flexible hollow tube 43.
Fixed riffled tube 42 and expansion link 41 operation principle is with reference to above-mentioned mobile link portion 12 and is fixedly connected with portion 13
Operation principle.The advantage of selection flexible hollow tube 43 is：The top of expansion link 41 is avoided when opening hemicone 111, expansion link 41 with
The contact position of hemicone 111 can change, in order to avoid stuck or abrasion may insure that cone is dug using flexible hollow tube 43
It is smooth that pick portion 11 is opened.
Cone excavation portion 11 is at least made up of two hemicones 111, and each hemicone 111 is provided with a flexible hollow tube 43,
Each hemicone 111 is connected by a connection rotating shaft 15 with mobile link portion 12.
The unlatching of two hemicones 111 measures probe actuation motor 45 by a release and realized；Concrete structure is：It is flexible
Bar 41 is connected by connecting annulus 44 with a push rod, and measurement probe 2 passes through connection annulus 44；Expansion link 41 and a hemicone
Flexible hollow tube 43 on 111 coordinates, and push rod coordinates with another flexible hollow tube 43 on another hemicone 111.It is above-mentioned to stretch
Contracting bar 41 and push rod share a motor and driven, and can save space-efficient setting, and can also save manufacturing cost, can be with
Ensure that expansion link 41 works asynchronously all the time with push rod, and two hemicones 111 are synchronously opened.
When needing to close cone excavation portion 11, release measurement probe actuation motor 45 is inverted, and each hemicone 111 needs
Restore to the original state, so each be used to help hemicone 111 between hemicone 111 and mobile link portion 12 provided with a back-moving spring 46
Cone structure can be reverted to after being opened.
As shown in figure 3, the surface of mobile link portion 12 is provided with the helical groove 16 for facilitating soil to export.
As shown in figure 4, punching and measurement integrated device of the present invention for soil moisture measurement also include mounting platform 3,
Punching motor 14 is fixed on mounting platform 3, and one end of measurement probe 2 is also mounted on mounting platform 3, mounting platform 3
Top connects an extension rod 5.In addition, also including a position-limiting tube 6, its whole pipe shaft is embedded in soil；The inwall of position-limiting tube 6 along
Be axially arranged with multiple position limiting slide blocks 61, mounting platform 3 is correspondingly provided with quantity identical limited impression 31, position limiting slide block 61 with it is spacing
Groove 31, which cooperates, ensures that both position relationships will not be offset.
As shown in figure 5, cone excavation portion 11 is made up of two hemicones 111, the hemicone 111 refers to along cone
Cone is cut into two volume size identical structures by height.
As shown in fig. 6, the present invention is as follows for the punching of soil moisture measurement and the control method of measurement integrated device：
Step 1, position-limiting tube 6 is placed in the hole of moisture to be measured first.
Step 2, the limited impression 31 of the position limiting slide block 61 by position-limiting tube 6 and mounting platform 3 cooperate so that punching
Probe 1 is accurately located at the bottom of hole.
Step 3, wireless control receiver start punching motor 14 and rotated forward, cone excavation portion 11 by the transmission of power to
It is lower to excavate pre-perforated.
Step 4, wireless control receiver start punching motor 14 and inverted so that punching probe 1 recovers to step 3 to open
Original state before beginning.
Step 5, wireless control receiver start release measurement probe actuation motor 45 and rotated forward, the biography that expansion link 41 passes through power
It is dynamic to open cone excavation portion 11 so that the measurement down going channel of probe 2 is unobstructed.
Step 6, wireless control receiver start punching motor 14 and further inverted so that punching probe 1 and its cone
Body excavation portion 11 is moved up, final that measurement probe 2 is fully contacted with pre-perforated bottom soil.
Step 7, wireless control receiver start drimeter and carry out the collection of data, and are stored in controlled in wireless reception
In device.
Step 8, data acquisition are finished, and mounting platform 3 is lifted by extension rod 5.
Step 9, wireless control receiver start punching motor 14 and rotated forward so that punching probe 1 recovers to above-mentioned first
Beginning state.
Step 10, wireless control receiver start release measurement probe actuation motor 45 and inverted, and close cone excavation portion 11.
Step 11, taking-up mounting platform 3 and punching probe 1 from position-limiting tube 6.
If pre-perforated depth can not be by once completing, can be with repeat step 3-4.
Wireless control receiver with punching motor 14, release measurement probe actuation motor 45 and drimeter it
Between can be controlled by wireless signal.
Exemplary description is carried out to the present invention above in conjunction with accompanying drawing, it is clear that realization of the invention is not by aforesaid way
Limitation, it is or not improved by the present invention as long as employing the various improvement of inventive concept and technical scheme of the present invention progress
Design and technical scheme directly apply to other occasions, within the scope of the present invention.
Claims (10)
1. a kind of punching and measurement integrated device for soil moisture measurement, including punching probe（1）With measurement probe（2）,
It is characterized in that：Punch probe（1）For hollow-core construction, probe is measured（2）It is placed on punching probe（1）In；Punch probe（1）Beat
After hole is finished, measurement probe is discharged automatically（2）Carry out soil moisture measurement, it is to avoid measurement probe（2）Need independent entrance
Damaged in pre-perforated or when entering pre-perforated by chad.
2. it is used for punching and the measurement integrated device of soil moisture measurement according to claim 1, it is characterised in that：Punching is visited
Pin（1）Including cone excavation portion（11）, mobile link portion（12）, be fixedly connected with portion（13）And punching motor（14）, beat
Hole motor（14）Output end with being fixedly connected with portion（13）One end is connected, and is fixedly connected with portion（13）The other end and mobile link
Portion（12）One end is attached by screw thread, mobile link portion（12）It is being fixedly connected with portion（13）Rotate lower stretched；It is mobile
Connecting portion（12）The other end passes through connection rotating shaft（15）With cone excavation portion（11）Connection；Cone excavation portion（11）Dug by cone
Pick portion switching mechanism（4）Probe will be measured（2）Discharged or withdrawn.
3. it is used for punching and the measurement integrated device of soil moisture measurement according to claim 2, it is characterised in that：It is described to move
Rotation connection（12）Surface is provided with the helical groove for facilitating soil to export（16）.
4. the punching for soil moisture measurement and measurement integrated device according to Claims 2 or 3, it is characterised in that：Institute
State cone excavation portion switching mechanism（4）Including expansion link（41）, fixed riffled tube（42）, flexible hollow tube（43）And release
Measure probe actuation motor（45）, release measurement probe actuation motor（45）It is fixed on mobile link portion（12）On inwall, release
Measure probe actuation motor（45）Output end and fixed riffled tube（42）One end is connected, fixed riffled tube（42）The other end
With expansion link（41）One end is attached by screw thread, expansion link（41）In fixed riffled tube（42）Rotate lower stretched；
Flexible hollow tube（43）It is fixed on cone excavation portion（11）Inwall on, expansion link（41）The other end enters flexible hollow tube（43）
In directly top open cone excavation portion（11）Or pass through flexible hollow tube（43）Cone excavation portion is opened on top indirectly（11）.
5. it is used for punching and the measurement integrated device of soil moisture measurement according to claim 4, it is characterised in that：The cone
Body excavation portion（11）At least by two hemicones（111）Composition, each hemicone（111）Provided with a flexible hollow tube（43）, often
Individual hemicone（111）All pass through a connection rotating shaft（15）With mobile link portion（12）Connection.
6. it is used for punching and the measurement integrated device of soil moisture measurement according to claim 5, it is characterised in that：Two and half
Cone（111）Unlatching pass through one it is described release measurement probe actuation motor（45）Realize；Concrete structure is：Expansion link（41）
By connecting annulus（44）It is connected with a push rod, measures probe（2）Through connection annulus（44）；Expansion link（41）With a half cone
Body（111）On flexible hollow tube（43）Coordinate, push rod and another hemicone（111）On another flexible hollow tube（43）Match somebody with somebody
Close.
7. the punching for soil moisture measurement and measurement integrated device according to claim 5 or 6, it is characterised in that：Often
Individual hemicone（111）With mobile link portion（12）Between be provided with a back-moving spring（46）It is used to help hemicone（111）Beaten
Cone structure can be reverted to after opening.
8. it is used for punching and the measurement integrated device of soil moisture measurement according to claim 5, it is characterised in that：Also include
Mounting platform（3）, punch motor（14）It is fixed on mounting platform（3）On, measure probe（2）One end be also mounted at installation
Platform（3）On, mounting platform（3）Top connects an extension rod（5）.
9. it is used for punching and the measurement integrated device of soil moisture measurement according to claim 8, it is characterised in that：Also include
One position-limiting tube（6）, its whole pipe shaft is embedded in soil；Position-limiting tube（6）Inwall is axially provided with multiple position limiting slide blocks（61）,
Mounting platform（3）It is correspondingly provided with quantity identical limited impression（31）, position limiting slide block（61）With limited impression（31）Cooperate
Ensure that both position relationships will not be offset.
10. the punching for soil moisture measurement and measurement integrated device according to any one of claim 1-9, it is special
Levy and be：The punching probe（1）For two pieces, corresponding measurement probe（2）Also it is two pieces；Two pieces of punching probes（1）Together
When work, two pieces of measurement probes（2）Also work simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298387.7A CN106970122B (en) | 2017-05-02 | 2017-05-02 | Punching and measuring integrated device for soil moisture measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710298387.7A CN106970122B (en) | 2017-05-02 | 2017-05-02 | Punching and measuring integrated device for soil moisture measurement |
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| Publication Number | Publication Date |
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| CN106970122A true CN106970122A (en) | 2017-07-21 |
| CN106970122B CN106970122B (en) | 2020-07-17 |
Family
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| CN201710298387.7A Active CN106970122B (en) | 2017-05-02 | 2017-05-02 | Punching and measuring integrated device for soil moisture measurement |
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| CN108692973A (en) * | 2018-05-29 | 2018-10-23 | 太原理工大学 | A kind of drilling TDR device and methods suitable for special undisturbed soil |
| CN111398372A (en) * | 2020-04-15 | 2020-07-10 | 南京航空航天大学 | Soil moisture detection device with 66MHz carrier frequency detection module |
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