CN109900519A - A kind of deep fluid sampler based on electronic digital display trigger device - Google Patents
A kind of deep fluid sampler based on electronic digital display trigger device Download PDFInfo
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- CN109900519A CN109900519A CN201910216177.8A CN201910216177A CN109900519A CN 109900519 A CN109900519 A CN 109900519A CN 201910216177 A CN201910216177 A CN 201910216177A CN 109900519 A CN109900519 A CN 109900519A
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Abstract
The invention discloses a kind of deep fluid samplers based on electronic digital display trigger device, it is related to electronic field, including collection head, it is provided on the collection head and triggers the collection head into the sliding block for completing acquisition, the sliding block connects electronic timing trigger device, the electronic timing trigger device includes timing means and trigger device, the timing means connects the trigger device, the trigger device connects the sliding block present invention instead of traditional mechanical timer, timing length is adjustable, and it is easy to adjust, timing accuracy is high.
Description
Technical field
The present invention relates to electronic fields, and in particular to a kind of deep fluid sampler based on electronic digital display trigger device.
Background technique
When being sampled using deep fluid sampler, researcher is first with the thimble of sampler by the unidirectional of collector
Check-valves is opened, and after fixed cycle operator, sampler is transferred to deep, fluid flows into collector through one way stop peturn valve valve
Interior, after timing arrival, one way stop peturn valve is closed, and researcher withdraws collector to obtain collecting sample, current
Deep fluid sampler is timed using traditional mechanical timer, is timed using mechanical timer, exist with
Lower problem: firstly, the maximum pot life of mechanical timer is 6 hours, however when deep to underground under deep fluid sampler
When portion is acquired underground fluid, fluid sampler connection cable is needed to be put into from top to bottom by winch up to designated place,
If timing is too short, it may send to release under occurring because breaking down in speed or decentralization process and be less than bit timing device
The case where closing with regard to triggering sampler, requirement of experiment cannot be reached in this way by not only resulting in, but also be wasted time and energy.
Secondly, traditional mechanical timer accuracy is not high, the timing of approximate time can only be carried out, a general scale is
12 minutes, it cannot show the accurate timing time；Finally, tradition machinery timing means is easy to be out of order, mechanical structure be easy it is stuck,
Cause timing unstable.
Summary of the invention
It is an object of the invention to: a kind of deep fluid sampler based on electronic digital display trigger device is provided, is solved
Current deep fluid sampler is timed using mechanical timer, timing time limit short technical problem.
The technical solution adopted by the invention is as follows:
A kind of deep fluid sampler based on electronic digital display trigger device, including collection head are arranged on the collection head
Have and trigger the sliding block that the collection head completes acquisition, the sliding block connects electronic timing trigger device, the electronic timing triggering
Device includes timing means and trigger device, and the timing means connects the trigger device, described in the trigger device connection
Sliding block.
Further, the timing means includes the interior single-chip microcontroller for being equipped with timer, and the single-chip microcontroller connection is for inputting
The input module of timing signal, the display module for showing information, trigger device and the power supply module for device power supply, it is described
Power supply module connects the trigger device, input module and display module.
Further, the power supply module includes battery, reduction voltage circuit and voltage regulator circuit, and the battery connects the decompression
Circuit, the reduction voltage circuit are connect with the voltage regulator circuit, and the voltage regulator circuit is separately connected single-chip microcontroller, trigger device and display
Module.
Further, USB interface is provided on the single-chip microcontroller.
Further, it is provided with protection cylinder outside the timing means, for protecting circuit structure.
Further, the trigger device includes stepper motor, screw rod, hold-doun nut and connection structure, the stepping electricity
Machine connects the timing means by stepper motor driver, and the stepper motor connects the screw rod and the screw rod is driven to turn
Dynamic, the hold-doun nut is arranged on the stepper motor by sleeve, and the screw rod is threadedly coupled with the hold-doun nut, institute
It states the screw rod other end to connect with the connection structure, the connection structure is arranged drives slide block movement on the slide block
Further, screw rod one end setting is fluted, and the shaft setting of the stepper motor makes in the groove
Stepper motor drives the screw rod rotation.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. being timed using the present invention using electronic timing trigger device, timing accuracy is second grade, makes researcher more
Add and accurately held the sampling underground fluid time, provides more accurate data for correlative study.
2. the present invention is unrestricted in time, fluid sampler is fully achieved and meets various feelings in decentralization process in well
The time that condition needs, positioning time is longer, and the sampling fluids of ultradeep well may be implemented；Simultaneously as sampler holds in decentralization
, can be after fluid restore balance since positioning time of the invention is long easily by flow disturbance, sampler gives closing valve again
Door, this ensure that the feature in situ of acquisition sample.
3. the sliding block loss that the present invention closes valve to sampler is small, electronic timer of the present invention is set by program
It sets, causes slide block movement using stepper motor driving screw rod, it can be made vertical after reaching triggering sampler and closing valve purpose
Restore to origin-location；And original mechanical timer is used, since mechanical timer needs to make the spring one of one way stop peturn valve
It is straight to will cause the damage of sampler in the state that suffers oppression, and the present invention is used, without locating the spring of one way stop peturn valve always
In the state of suffering oppression, reduce the injury to sampler, to reduce failure rate.
4. the trigger device structure in the present invention is simple, it can guarantee that the volume of sampler can be adapted for use environment.
5. the present invention includes display module, it can show accurate timing, collector is facilitated to observe.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is overall structure figure of the invention (acquisition finishes state)；
Fig. 2 is overall structure figure (non-acquisition state) of the invention；
Fig. 3 is structural schematic diagram of the invention；
Fig. 4 is the integrated stand composition of electronic timing trigger device in the present invention；
Fig. 5 is the circuit diagram of single-chip microcontroller and peripheral circuit in the present invention；
Fig. 6 is the circuit diagram of reduction voltage circuit in the present invention；
Fig. 7 is the circuit diagram of voltage regulator circuit in the present invention；
Fig. 8 is the circuit diagram of display module in the present invention；
Fig. 9 is the circuit diagram of stepper motor driver in the present invention；
Figure 10 is the circuit diagram of input module in the present invention；
Marked in the figure: 1- protects cylinder, 101- circuit structure rest area, 102- battery rest area, 2- stepper motor, 3- set
Cylinder, 4- shaft, 5- hold-doun nut, 6- groove, 7- screw rod, 8- connection structure, 9- sliding block, 10- collection head, 11- thimble.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not
For limiting the present invention, i.e., described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
The component of embodiments of the present invention, which are generally described and illustrated herein in the accompanying drawings can be come with a variety of different configurations
Arrangement and design.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
It should be noted that the relational terms of term " first " and " second " or the like be used merely to an entity or
Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any
This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive
Property include so that include a series of elements process, method, article or equipment not only include those elements, but also
Further include other elements that are not explicitly listed, or further include for this process, method, article or equipment it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described
There is also other identical elements in the process, method, article or equipment of element.
A kind of deep fluid sampler based on electronic digital display trigger device, including collection head 10, on the collection head 10
It is provided with and triggers the sliding block 9 that the collection head 10 completes acquisition, the sliding block 9 connects electronic timing trigger device, the electronics
Timing springing unit includes timing means and trigger device, and the timing means connects the trigger device, the trigger device
Connect the sliding block 9.
The timing means includes the interior single-chip microcontroller for being equipped with timer, and the single-chip microcontroller connection is for incoming timing signal
Input module, the display module for showing information, trigger device and the power supply module for device power supply, the power supply module connect
Connect the trigger device, input module and display module.
The power supply module includes battery, reduction voltage circuit and voltage regulator circuit, and the battery connects the reduction voltage circuit, described
Reduction voltage circuit is connect with the voltage regulator circuit, and the voltage regulator circuit is separately connected single-chip microcontroller, trigger device and display module.
USB interface is provided on the single-chip microcontroller.
Protection cylinder 1 is provided with outside the timing means, for protecting circuit structure.
The trigger device includes stepper motor 2, screw rod 7, hold-doun nut 5 and connection structure 8, and the stepper motor 2 is logical
It crosses 2 driver of stepper motor and connects the timing means, the stepper motor 2 connects the screw rod 7 and drives 7 turns of the screw rod
Dynamic, the hold-doun nut 5 is arranged on the stepper motor 2 by sleeve 3, and the screw rod 7 connects with 5 screw thread of hold-doun nut
It connects, 7 other end of screw rod is connect with the connection structure 8, and the connection structure 8 is set in band movable slider 9 on the sliding block 9
Movement
The setting of shaft 4 of 7 one end of screw rod setting fluted 6, the stepper motor 2 makes stepping in the groove 6
Motor 2 drives the screw rod 7 to rotate.
Feature and performance of the invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of deep fluid sampler based on electronic digital display trigger device, including collection head 10, the collection head 10 are
The production of KUSTER company, the U.S., it is provided on the collection head 10 and triggers the sliding block 9 that the collection head 10 is acquired, sliding block
9 be a part in one way stop peturn valve in collection head 10, and sliding block 9 moves, and can change the thimble set in one way stop peturn valve
11 motion state, the sliding block 9 connect electronic timing trigger device, the electronic timing trigger device include timing means and
Trigger device, the timing means connect the trigger device, and the trigger device connects the sliding block 9；Electronic timing triggering
Device is for pushing the sliding block 9 to slide, and when sliding block 9 slides, collection head 10 is sampled or stopped sampling operation, in turn
Realize acquisition function.
It is illustrated in figure 4 the integrated stand composition of electronic timing trigger device, wherein timing means includes interior equipped with timer
Single-chip microcontroller, single-chip microcontroller connection for incoming timing signal input module, show display module, the trigger device of information
And the power supply module for device power supply, the power supply module connect the trigger device, input module and display module.
The model STM32F103C8T6 of the single-chip microcontroller, the interior timer function being arranged of single-chip microcontroller are common for single-chip microcontroller
Function, algorithm are also conventional algorithm.The peripheral circuit of single-chip microcontroller is as shown in figure 5, the end PC14-OSC32-IN of single-chip microcontroller is distinguished
The other end ground connection of crystal oscillator XT1, the capacitor C10 that the capacitor C10 and frequency of oscillation for connecting 10pF are 32768Hz, the list
The end PC15-OSC32-OUT of piece machine is separately connected the other end of the capacitor C11 and crystal oscillator XT1 of 10pF, and the capacitor C11's is another
One end ground connection；
The crystal oscillator that the end PD0-OSC-IN of the single-chip microcontroller is separately connected the capacitor C12 of 30pF and frequency of oscillation is 8MHz
The other end of XT2, the capacitor C12 is grounded, the end PD1-OSC-OUT of the single-chip microcontroller be separately connected 30pF capacitor C14 and
The other end of crystal oscillator XT2, the other end ground connection of the capacitor C14；
The BOOT0 of the single-chip microcontroller is grounded, and the end NRST of the single-chip microcontroller is separately connected reset key RST1,0.1 μ F
The resistance R10 of capacitor C13 and 1K, the other end of the reset key RST1 and the other end of capacitor C13 are grounded, the resistance
The other end of R10 connects 3.3V power end；The end VDD-1, VDD-2 and VDD-3 of the single-chip microcontroller is all connected with 3.3V power end.
The single-chip microcontroller connection is used for the input module of incoming timing signal, and the input module uses key circuit,
Circuit diagram is as shown in Figure 10, and the key of key circuit includes up-regulation key and lowers key, and the up-regulation is by key connection single-chip microcontroller
PB4 section, it is described lower by key connection single-chip microcontroller the end PB5, the up-regulation key and downward key be grounded；
The single-chip microcontroller connects the display module OLED1 for showing information, and the circuit diagram of the display module is Fig. 8,
Its 1 end ground connection, 2 ends connect 3.3V power end, and 3 ends connect the end PB6 of single-chip microcontroller, and 4 ends connect the end PB7 of single-chip microcontroller.
Power supply module of the single-chip microcontroller connection for device power supply, the power supply module connect the trigger module and defeated
Enter module, the power supply module includes battery, reduction voltage circuit and voltage regulator circuit, and the battery connects the reduction voltage circuit, described
Voltage regulator circuit is separately connected 2 driver of single-chip microcontroller and stepper motor, and the battery selects dry cell, the reduction voltage circuit such as Fig. 6
Voltage is down to 5V by model MP1584DN shown, that the decompression chip in the reduction voltage circuit uses, the reduction voltage circuit；
Voltage regulator circuit includes the voltage progress pressure stabilizing to reduction voltage circuit output, while including the voltage to USB interface output
Pressure stabilizing is carried out, wherein the circuit handled the output voltage of reduction voltage circuit are as follows: reduction voltage circuit output end is separately connected pressure stabilizing
The other end of one end of the capacitor C16 of the end IN of chip AMS1117 and 0.1 μ F, the capacitor 16 connects ground terminal, the pressure stabilizing core
The end GND of piece, one end of the capacitor C17 of 0.1 μ F, 0.1 μ F capacitor C18 one end, two OUT terminals of the voltage stabilizing chip are equal
The other end of capacitor C17, the other end and 3.3V output end of capacitor C18 are connected, the voltage of the 3.3V output end output is used for
It powers to device.
It is connected with USB interface on the single-chip microcontroller, for presetting to time interval, setting means is this field
Conventional technical means.The 1 end ground connection of USB interface, 3 ends and 4 ends are respectively connected to the input terminal of single-chip microcontroller, and 5 ends export 5V voltage
Pressure stabilizing, the circuit of use are as follows: 5 ends of the USB interface are separately connected the capacitor C5 and triode of 0.1 μ F are carried out to voltage regulator circuit
The emitter of Q1, the base stage of the other end connecting triode Q1 of the capacitor C5, the capacitor C6 of 0.1 μ F, 0.1 μ F capacitor C7 and
The collector of ground terminal, the capacitor C6, capacitor C7 and triode Q1 are all connected with 3.3V power output end, power output end output
Voltage be also used for device power supply.
The model DRV8825-PWP-28 that the stepper motor driver uses, peripheral circuit is as shown in figure 9, stepping
The end CP1 of motor driver passes through the end capacitor C1 connection CP2 of 0.1 μ F, and the end VCP is separately connected the resistance R2's and 0.1 μ F of 1M
The capacitor end C3, VMA connect the end VMB, the end VMA connect the other end of resistance R2, the other end of capacitor C3,0.1 μ F capacitor C2,
The capacitor C8 connection of the capacitor C4 of 100 μ F and 0.1 μ F, the other end and capacitor of the other end of the capacitor C2, capacitor C4
The other end of C8 is grounded, and AOUT1, AOUT2, BOUT1 of the stepper motor driver connect stepper motor 2 with the end BOUT2,
The end ISENA and ISENB of the stepper motor driver passes through the resistance R4 ground connection of 200m Ω, the stepper motor driver
The end AVREF and BVREF simultaneously be connected to 50K resistance R8 one end and 30K resistance R9 one end, the other end of resistance R8
It is connected to 3.3V power end, the other end ground connection of resistance R9, the end the GND ground connection of the stepper motor driver, the end nHOME passes through
The resistance R1 connection 3.3V power end of 10K, the end MODE0-2 are grounded, and the end STEP connects the end PB13 of single-chip microcontroller, nENBL termination
Ground, the end DIR connect the end PB12 of single-chip microcontroller, and nFAULT distinguishes ground terminal and the other end of the resistance R5, the resistance R5 of 10K connect
Connect 3.3V power end.
Embodiment 2
The present embodiment is based on embodiment 1, and protection cylinder 1 is provided with outside the timing means, for protecting circuit structure, protects
Cylinder 1 diameter be 25mm, length 200mm, material hardness be more than or equal to 40, meet the use environment of sampler, the protection
One end of cylinder 1 is connect with stepper motor 2, is provided with battery rest area 102 and circuit structure rest area 101 in the protection cylinder 1,
It is not damaged circuit structure can be effectively protected.
Embodiment 3
The trigger device includes stepper motor 2, screw rod 7, hold-doun nut 5 and connection structure 8, and the stepper motor 2 is logical
It crosses stepper motor driver and connects the timing means, is i.e. stepper motor 2 connects stepper motor driver, and the stepper motor drives
Dynamic device is connect with single-chip microcontroller, and the stepper motor 2 connects the screw rod 7 and the screw rod 7 is driven to rotate, specifically: screw rod 7 one
The setting of shaft 4 of end setting fluted 6, the stepper motor 2 makes stepper motor 2 drive 7 turns of the screw rod in the groove 6
It is dynamic.The model of the stepper motor 2 are as follows: speed extra large motor GM12-N20.
The hold-doun nut 5 connects sleeve 3, and sleeve 3 is connect with stepper motor 2, the screw rod 7 and the hold-doun nut 5
It is threadedly coupled, 7 other end of screw rod is connect with the connection structure 8, and the connection structure 8 is set in band on the sliding block 9
Movable slider 9 moves, and since hold-doun nut 5 is fixed, when stepper motor 2 drives shaft 4 to rotate forward, screw rod 7 drives connection knot
Structure 8 moves, to move with movable slider 9, so that the one way stop peturn valve for triggering sampler is closed, sampler completes sampling, works as step
When driving shaft 4 to invert into motor 2, screw rod 7 drives 8 counter motion of connection structure, so that sliding block 9 be made to reset.
Embodiment 4
Timing process of the present embodiment for electronic timing device in the open present invention.
The time for needing to wait by input module (i.e. key) setting first, i.e. setting STM32F103 timer interruption
Preset value, when reaching the scheduled time, STM32F103 open stepper motor 2 drive and export control stepper motor 2 it is positive and negative
The signal turned, to invert ten circles after so that stepper motor 2 is first rotated forward ten circles again, motor can make that screw rod 7 is pushed to transport forward when rotating forward
It is dynamic, one way stop peturn valve is closed to touch sliding block 9, reaches default effect, and motor reversal can make screw rod 7 return to initial bit
It sets, and waits the beginning of same action next time, the time that display is arranged display module.
When not needing stepper motor 2 and acting, the driving of stepper motor 2 is in power-off off position, when needing stepping electric
Machine 2 opens motor driven when acting again, to save power consumption, extends the cruising ability of device.
The signal that control stepper motor 2 drives has: (1) pwm signal (2) control of control velocity of rotation rotates and reverse
Signal.
The opening and shutdown that stepper motor 2 drives are that motor-driven enable end is controlled by STM32F103 to control.
When closing the enable end driven, driving is in idle state is closed, and when opening driving enable end, driving is in work
State.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (7)
1. a kind of deep fluid sampler based on electronic digital display trigger device, including collection head (10), the collection head (10)
On be provided with and trigger the sliding block (9) that the collection head (10) completes acquisition, it is characterised in that: sliding block (9) the connection electronics is fixed
When trigger device, the electronic timing trigger device includes timing means and trigger device, and the timing means connects the touching
Transmitting apparatus, the trigger device connect the sliding block (9).
2. a kind of deep fluid sampler based on electronic digital display trigger device according to claim 1, it is characterised in that:
The timing means includes the interior single-chip microcontroller for being equipped with timer, and the single-chip microcontroller connection is used for the input mould of incoming timing signal
Block shows the display module of information, trigger device and the power supply module for device power supply, described in the power supply module connection
Trigger device, input module and display module.
3. a kind of deep fluid sampler based on electronic digital display trigger device according to claim 2, it is characterised in that:
The power supply module includes battery, reduction voltage circuit and voltage regulator circuit, and the battery connects the reduction voltage circuit, the reduction voltage circuit
It is connect with the voltage regulator circuit, the voltage regulator circuit is separately connected single-chip microcontroller, trigger device and display module.
4. a kind of deep fluid sampler based on electronic digital display trigger device according to claim 2, it is characterised in that:
USB interface is provided on the single-chip microcontroller.
5. a kind of deep fluid sampler based on electronic digital display trigger device according to claim 2, it is characterised in that:
Protection cylinder (1) is provided with outside the timing means, for protecting circuit structure.
6. a kind of deep fluid sampler based on electronic digital display trigger device according to claim 1, it is characterised in that:
The trigger device includes stepper motor (2), screw rod (7), hold-doun nut (5) and connection structure (8), the stepper motor (2)
The timing means is connected by stepper motor driver, the stepper motor (2) connects the screw rod (7) and drives the silk
Bar (7) rotation, the hold-doun nut (5) by sleeve (3) be arranged on the stepper motor (2), the screw rod (7) with it is described
Hold-doun nut (5) is threadedly coupled, and screw rod (7) other end is connect with the connection structure (8), connection structure (8) set
Band movable slider (9) on the sliding block (9) is located to move.
7. a kind of deep fluid sampler based on electronic digital display trigger device according to claim 5, it is characterised in that:
Fluted (6) are arranged in described screw rod (7) one end, and shaft (4) setting of the stepper motor (2) makes to walk in the groove (6)
Screw rod (7) rotation is driven into motor (2).
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