CN114577529A - Sampling device for measuring pollution source in chemical environment - Google Patents

Sampling device for measuring pollution source in chemical environment Download PDF

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Publication number
CN114577529A
CN114577529A CN202210313275.5A CN202210313275A CN114577529A CN 114577529 A CN114577529 A CN 114577529A CN 202210313275 A CN202210313275 A CN 202210313275A CN 114577529 A CN114577529 A CN 114577529A
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China
Prior art keywords
sampling
cavity
control
roller
connecting pipeline
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CN202210313275.5A
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Chinese (zh)
Inventor
张硌
高红莉
刘伟
胡军周
李洪涛
郭雷
牛晓青
王钰涵
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Institute Of Geographical Sciences Henan Academy Of Sciences
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Institute Of Geographical Sciences Henan Academy Of Sciences
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Priority to CN202210313275.5A priority Critical patent/CN114577529A/en
Publication of CN114577529A publication Critical patent/CN114577529A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment

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  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses a sampling device for measuring a pollution source in a chemical environment, which comprises a sampling mechanism, a control mechanism and a retractable roller, wherein the control mechanism and the retractable roller are arranged on an installation bottom plate, a flexible connecting pipeline is wound on the retractable roller, the control mechanism is communicated with the sampling mechanism through the connecting pipeline wound on the retractable roller, the control mechanism comprises a control box and an air pump, and the sampling mechanism comprises a sampling cylinder, a pressure sensor, an air bag and a switch mechanism; the control mechanism controls the retraction roller to rotate, so that retraction operation of the sampling mechanism in the water body is realized, the depth of the sampling mechanism in the water body is adjusted through the cooperation of the pressure sensor, the air pump and the air bag, finally, the sampling water body is stored in the sampling mechanism through the switching mechanism, the whole process is controlled through the control switch on the control mechanism, the automation of water body sampling is realized, water at different depths in the water body can be sampled, and then the water body is taken out at one time, so that the operation is simple and convenient, and the time and the labor are saved.

Description

Sampling device for measuring pollution source in chemical environment
The technical field is as follows:
the invention relates to the field of environmental protection, in particular to a sampling device for measuring a pollution source in a chemical environment.
Background art:
in carrying out the sampling operation in-process to the water, current operation is basically being with the water intaking bucket with the rope system, and the water intaking operation is carried out in throwing the water intaking bucket into the water, and this kind of operation mode can only get the water sample on water surface, and sometimes the water degree of depth is darker, for taking a sample to the water of the different degree of depth, adopts this kind of mode not to be suitable for. Other operating equipment is needed, so that sampling operating personnel needs to carry various sampling equipment, the operation is complicated, moreover, after sampling is completed, the personnel are required to lift the sampling device through arm force, and the labor intensity of the personnel is increased.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: can carry out the sampling operation to the different degree of depth of water, reduce personnel intensity of labour's problem.
In order to solve the technical problems, the invention provides a technical scheme that: the utility model provides a measure sampling device of pollution sources among chemical environment, includes sampling mechanism, control mechanism and receive and releases the cylinder, characterized by: the control mechanism and the retractable roller are arranged on the mounting base plate, a flexible connecting pipeline is wound on the retractable roller, and the control mechanism is communicated with the sampling mechanism through the connecting pipeline wound on the retractable roller;
the control mechanism comprises a control box and an air pump, and a control switch for controlling the air pump and the sampling mechanism to work is arranged on the control box;
the sampling mechanism comprises a sampling cylinder, a pressure sensor, an air bag and a switch mechanism, the inner space of the sampling cylinder is divided into a sampling cavity and a sinking and floating cavity by a first clapboard, the air bag is arranged in the ups and downs cavity and is communicated with a connecting pipeline which penetrates through the wall of the sampling cylinder, the sampling cavity and the partition plate along the axis of the sampling cylinder, a first through hole communicated with the ups and downs cavity and a second through hole communicated with the sampling cavity are arranged on the wall of the sampling cylinder, a switch driving cavity is divided in the sampling cavity by a second partition board surrounding the connecting pipeline, the switch mechanism arranged in the sampling cavity is driven by a switch driving device arranged in the switch driving cavity to plug the second through hole, the pressure sensor is arranged on the top of the sampling cylinder and is controlled by the control box together with the switch driving device through a connecting pipeline.
Furthermore, the retractable roller is arranged on the mounting base plate through two parallel supports, and a rotating shaft of the retractable roller penetrates through one support to be connected with a retractable roller driving mechanism.
Further, the retractable roller driving mechanism is a handle or a motor, and the motor is controlled by the control box.
Furthermore, the number of the first through holes is at least two, the first through holes are respectively communicated with the upper part and the lower part of the ups and downs cavity, and the number of the second through holes is two, the second through holes are respectively communicated with the upper part and the lower part of the sampling cavity.
Further, on-off mechanism includes mounting panel, rubber buffer and installation pole, and the rubber buffer setting is in one side of mounting panel, and the position and the quantity of rubber stopper on the mounting panel are the same with the second through-hole, and one side of mounting panel is connected with the one end of installation pole, and the other end of installation pole slides through the sealed bearing who sets up on the second baffle and along its axis and stretches into the switch drive chamber is connected with the switch drive device who sets up in the switch drive intracavity.
Furthermore, the switch driving device is an electric push rod, a piston rod of the electric push rod is connected with an installation rod extending into the switch driving cavity, and the electric push rod is controlled by the connecting pipeline and drives the installation rod to move along the axis of the installation rod.
Furthermore, the sampling cavity is divided into a first sampling cavity, a second sampling cavity, a third sampling cavity and a fourth sampling cavity by a third partition plate; the sinking and floating cavity is divided into a first sinking and floating cavity, a second sinking and floating cavity and a third sinking and floating cavity which are not communicated with each other through a fourth partition plate.
Furthermore, the connecting pipeline comprises a steel wire, a control line, a gas pipe and a power line, the control line, the gas pipe and the power line are bound on the steel wire, one end of the steel wire is wound on the take-up and pay-off roller, the other end of the steel wire is fixed at the top of the sampling tube, one end of the control line is wound on the take-up and pay-off roller and connected with the control box, the other end of the control line is connected with the pressure sensor, one end of the power line is wound on the take-up and pay-off roller and connected with the control box, the other end of the power line is connected with an electric push rod, one end of the gas pipe is wound on the take-up and pay-off roller and connected with the gas pump, and the other end of the gas pipe is connected with the gas bag.
Furthermore, a containing box used for containing the sampling mechanism is arranged on the mounting base plate, the containing box is provided with a box cover, the box cover is turned over from the side of the collecting and releasing roller to the other side, a notch is formed in the containing box, and a pulley used for supporting and guiding the connecting pipeline is arranged on the box cover.
Further, a buffer layer is arranged in the containing box.
The invention has the beneficial effects that:
through the sampling mechanism, control mechanism and the cooperation of receiving and releasing between the cylinder, receive and release the cylinder through control mechanism control and rotate, realize the operation that receives and releases of sampling mechanism in the water, and through pressure sensor, the adjustment of the air pump and the gasbag cooperation realization sampling mechanism degree of depth in the water, realize storing the sample water in the sampling mechanism through switching mechanism at last, whole control switch through on the control mechanism controls, realize the automation of water sample, and can take a sample to the water of the different degree of depth in the water, then once take out, easy operation is convenient, time saving and labor saving.
In order to make the aforementioned and other objects, features and advantages of the invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Description of the drawings:
in order to more clearly illustrate the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only two of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a first schematic structural diagram of the present application;
fig. 2 is a structural schematic diagram of the present application.
Fig. 3 is a third structural diagram of the present application.
Fig. 4 is a first structural diagram of the sampling mechanism.
Fig. 5 is a second structural diagram of the sampling mechanism.
Fig. 6 is a schematic structural view of the switch mechanism.
FIG. 7 is a top view of a sampling cavity.
Fig. 8 is a top view of the ballast chamber.
In the figure, 1-a retractable roller, 2-a mounting base plate, 3-a connecting pipeline, 4-a sampling mechanism, 5-a bracket, 6-a handle, 7-a motor, 8-a control box, 9-an air pump, 10-a fourth clapboard, 11-a third clapboard, 12-a containing box, 13-a box cover, 14-a notch and 15-a pulley; 41-a sampling cylinder, 42-a pressure sensor, 43-a switch mechanism, 44-a first clapboard, 45-an air bag, 46-a first through hole, 47-a second through hole, 48-a second clapboard and 49-a switch driving device;
431-mounting plate, 432-rubber plug, 433-mounting rod and 434-sealing bearing;
a-a sampling cavity, B-a sinking and floating cavity and C-a switch driving cavity;
b1-first sinking and floating cavity, B2-second sinking and floating cavity, B3-third sinking and floating cavity;
a1-first sampling cavity, A2-second sampling cavity, A3-third sampling cavity, A4-fourth sampling cavity.
The specific implementation mode is as follows:
embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more complete and thorough understanding of the present invention. It should be understood that the drawings and the embodiments of the present invention are illustrative only and are not intended to limit the scope of the present invention.
It should be understood that the various steps recited in the method embodiments of the present invention may be performed in a different order and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the invention is not limited in this respect.
The names of messages or information exchanged between devices in the embodiments of the present invention are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
Example one
As shown in fig. 1-5, 7 and 8, a sampling device for measuring pollution sources in chemical environments comprises a sampling mechanism 4, a control mechanism and a retractable roller 1, wherein the control mechanism and the retractable roller 1 are arranged on an installation base plate 2, a flexible connecting pipeline 3 is wound on the retractable roller 1, and the control mechanism is communicated with the sampling mechanism 4 through the connecting pipeline 3 wound on the retractable roller 1; through sampling mechanism 4, control mechanism and the cooperation of receiving and releasing between the cylinder 1, receive and release cylinder 1 through control mechanism control and rotate, realize the operation of receiving and releasing of sampling mechanism 4 in the water, realize that the automation of sampling mechanism 4 receives and releases, it needs artifical manual receipts and releases to cause intensity of labour to increase and the problem of the slow waste time of operating speed to solve among the prior art, and simultaneously, connecting line 3 is flexible, be convenient for twine on receiving and releasing cylinder 1, when being convenient for accomodate connecting line 3, can also fast accomodate the operation to sampling mechanism 4.
In the present embodiment, the sampling mechanism 4 includes a sampling cylinder 41, a pressure sensor 42, the internal space of the sampling cylinder 41 is divided into a sampling cavity A and a sinking and floating cavity B by a first partition plate 44, the air bag 45 is arranged in the sinking and floating cavity B and is communicated with a connecting pipeline 3 which penetrates through the cylinder wall of the sampling cylinder 41, the sampling cavity A and the partition plates along the axis of the sampling cylinder 41, a first through hole 46 communicated with the sinking and floating cavity B and a second through hole 47 communicated with the sampling cavity A are arranged on the cylinder wall of the sampling cylinder 41, a switch driving cavity C is divided in the sampling cavity A by a second partition plate 48 surrounding the connecting pipeline 3 in the sampling cavity A, the switch mechanism 43 arranged in the sampling cavity A is driven by a switch driving device 49 arranged in the switch driving cavity C to block the second through hole 47, the pressure sensor 42 is arranged at the top of the sampling cylinder 41 and is controlled by the control box 8 together with the switch driving device 49 through the connecting pipeline 3; when the air pump 9 is in operation, air is conveyed to the air bag 45 through the connecting pipeline 3, after the air bag 45 is expanded, water entering the sinking and floating cavity B through the first through hole 46 is discharged from the first through hole 46, so that the up-and-down movement of the sampling cylinder 41 in the water body is realized through the size of the volume of the air bag 45 (the air bag 45 is lifted and changed to change the buoyancy force borne by the sampling cylinder 41 and enable the sampling cylinder 41 to be positioned at different depths in the water body under the action of the buoyancy force), and the pressure sensor 42 is matched, a sensor signal is transmitted to the control box 8 through the connecting pipeline 3, the control box 8 is converted into and displayed according to the water depth, so that the depth of the sampling cylinder 41 at the position in the water body is measured, the water body can conveniently enter the sinking and floating cavity B through the arrangement of the first through hole 46, the depth of the sampling cylinder in the water body can be controlled through the cooperation with the air bag 45, the arrangement of the second through hole 47 is convenient for the water body to enter the sampling cavity A and flow out of the sampling cavity A, before the water body enters the sampling cavity A, the switch mechanism 43 plugs the second through hole 47 under the action of the switch driving device 49, the water body which is not at the sampling position is prevented from entering the sampling cavity A, when sampling is carried out, the switch mechanism 43 removes the plugging of the second through hole 47 under the action of the switch driving device 49, after the water body enters the sampling cavity A through the second through hole 47, the switch mechanism 43 plugs the second through hole 47 under the action of the switch driving device 49, the water body entering the sampling cavity A is sealed in the sampling cavity A, the sampling of the water body is completed, the switch driving device 49 is arranged in a switch driving cavity C formed by the first partition plate 44, the second partition plate 48 and the cylindrical wall of the sampling cylinder 41, the water body cannot enter the switch driving cavity C, and the switch driving device 49 is prevented from being damaged by water.
In the embodiment, the retractable roller 1 is arranged on the mounting base plate 2 through two mutually parallel brackets 5, and a rotating shaft of the retractable roller 1 penetrates through one of the brackets 5 and is connected with a retractable roller driving mechanism; the winding and unwinding roller driving mechanism is a handle 6 or a motor 7, and the motor 7 is controlled by a control box 8; realize receiving and releasing cylinder 1 through drive arrangement and rotate, be convenient for receive and release cylinder 1 and rotate fast and realize receiving and releasing of sampler barrel 41, and simultaneously, receive and release cylinder 1 and can rotate under the drive of handle 6 or motor 7, the setting of handle 6, when lightening whole weight, can also save the electric energy, rotate under the not enough condition of power supply, with need from time to time, motor 7 drives and receives and releases cylinder 1 and rotates, and simultaneously, motor 7 controls through control box 8, realize motor 7's positive and negative commentaries on classics, can realize receiving and releasing fast, trouble-saving and labor-saving.
In this embodiment, the control mechanism includes a control box 8 and an air pump 9, and the control box 8 is provided with a control switch for controlling the air pump 9 and the sampling mechanism 4 to work; the control of the air pump 9, the control of the motor 7 and the control of the switch driving device 49 are realized by pressing the control switch on the control box 8, the operation is simple and quick, and an external power supply is required during use.
In the embodiment, the interior of the sinking and floating cavity B is divided into a first sinking and floating cavity B1, a second sinking and floating cavity B2 and a third sinking and floating cavity B3 which are not communicated with each other by a fourth partition plate 10; the air bag 45 is arranged in the first sinking and floating cavity B1, the second sinking and floating cavity B2 and the third sinking and floating cavity B3, water entering the first sinking and floating cavity B1, the second sinking and floating cavity B2 and the third sinking and floating cavity B3 flows through the first through hole 46, when the volume of the air bag 45 in a certain sinking and floating cavity B is rapidly increased, water discharged through the first through hole 46 can form a water flow which is horizontally sprayed outwards from the side wall of the sampling cylinder 41, so that the sampling cylinder 41 is pushed to move, after the pressure of the air bag 45 is removed, water can enter the sinking and floating cavity B again through the first through hole 46 under the action of water pressure, then the volume of the air bag 45 is rapidly increased again, and the sampling cylinder 41 is pushed to continuously move.
In the present embodiment, the sampling cavity a is divided into a first sampling cavity a1, a second sampling cavity a2, a third sampling cavity A3 and a fourth sampling cavity a4 by a third partition plate 11; first sample chamber A1, second sample chamber A2, third sample chamber A3 and fourth sample chamber A4's setting can carry out the sample operation to the water of many places sample department, and the storage is in sample chamber A after the sample, treats the water sample completion back of many places sample department, pulls out sampling tube 41 from the water, convenient operation, labour saving and time saving.
In the embodiment, the connecting pipeline 3 comprises a steel wire, a control line bound on the steel wire, a gas pipe and a power line, one end of the steel wire is wound on the take-up and pay-off roller 1, the other end of the steel wire is fixed at the top of the sampling tube 41, one end of the control line is wound on the take-up and pay-off roller 1 and connected with the control box 8, the other end of the control line is connected with the pressure sensor 42, one end of the power line is wound on the take-up and pay-off roller 1 and connected with the control box 8, the other end of the power line is connected with the electric push rod, one end of the gas pipe is wound on the take-up and pay-off roller 1 and connected with the gas pump 9, and the other end of the gas pipe is connected with the gas bag 45; due to the arrangement of the steel wire, the connection strength between the take-up and pay-off roller 1 and the sampling cylinder 41 is increased, the take-up and pay-off operation of the sampling cylinder 41 is facilitated, the control line, the gas pipe and the power line are supported, the control line, the gas pipe and the power line are protected, and the pulling and breaking are prevented; the connecting pipeline 3 is provided with a rubber seal at the position penetrating through the wall of the sampling cylinder 41 and the first partition plate 44, so that water is prevented from entering the switch driving cavity C from the penetrating position to damage the switch driving device 49.
When the device is used, the mounting bottom plate 2 is placed above a water body to be detected (on a bridge or a platform erected on a river, a lake, a water well and a reservoir), after an external power supply is connected with the control box 8, the retractable roller 1 is rotated to place the sampling cylinder 41 into the water body, after the sampling cylinder 41 is placed into the water body, the position of the sampling cylinder 41 in the water body is adjusted through the size of the air bag 45, the sampling cylinder 41 is suspended in the water body at different depths, the suspended position is transmitted to the controller through the control line after the water body pressure is detected through the pressure sensor 42, the suspended depth is displayed after the controller is converted, after the sampling cylinder 41 reaches a sampling position, the switching mechanism 43 in the sampling cavity A is driven through the control switch driving mechanism to remove the blockage of the second through hole 47, after water enters the sampling cavity A from the second through hole 47 (a certain time is set, for example 5 seconds, 10 seconds etc.), drive the switching mechanism 43 in this sample chamber A through this control switch actuating mechanism and carry out the shutoff to second through-hole 47, accomplish the sampling operation of this sample department water, then behind sample tube 41 moved next sample position, repeat above-mentioned sampling operation, accomplish the sampling operation back of all sample position department waters, air pump 9 works, gasbag 45 volume grow, the water discharge in the ups and downs chamber B, sample tube 41 rises to the surface of water under the effect of buoyancy, cylinder 1 is receive and release in the rotation at last, get back sample tube 41 under the pulling of steel wire.
Example two
As shown in fig. 4 and fig. 5, the present embodiment is obtained by further describing the technical features of the first through hole 46 and the second through hole 47 on the basis of the first embodiment, and the remaining technical features are the same as the first embodiment, and no further description is given here, wherein the difference between the present embodiment and the first embodiment is that: the number of the first through holes 46 is at least two and is respectively communicated with the upper part and the lower part of the ups and downs chamber B, and the number of the second through holes 47 is two and is respectively communicated with the upper part and the lower part of the sampling chamber a.
In this embodiment, since the first through hole 46 and the second through hole 47 are both communicated with the upper part and the lower part of the ups and downs cavity B and the sampling cavity a, when water enters the ups and downs cavity B and the sampling cavity a from the first through hole 46 and the second through hole 47, the air inside the water is discharged from the first through hole 46 and the second through hole 47 on the upper part, and the water rapidly enters the ups and downs cavity B and the sampling cavity a.
EXAMPLE III
As shown in fig. 4 to fig. 6, the present embodiment is obtained by further describing the technical features of the switch mechanism 43 and the switch driving device 49 on the basis of the second embodiment, and the remaining technical features are the same as the second embodiment, and the description thereof is omitted here, where the difference between the present embodiment and the second embodiment is that: the switch mechanism 43 comprises a mounting plate 431, rubber plugs 432 and mounting rods 433, wherein the rubber plugs 432 are arranged on one side of the mounting plate 431, the positions and the number of the rubber plugs 432 on the mounting plate 431 are the same as those of the second through holes 47, one side of the mounting plate 431 is connected with one end of each mounting rod 433, and the other end of each mounting rod 433 passes through a sealing bearing 434 arranged on the second partition plate 48, slides along the axis of the sealing bearing and extends into the switch driving cavity C and is connected with a switch driving device 49 arranged in the switch driving cavity C; the switch driving device 49 is an electric push rod, a piston rod of the electric push rod is connected with the installation rod 433 extending into the switch driving cavity C, and the electric push rod is controlled by the connecting pipeline 3 and drives the installation rod 433 to move along the axis of the installation rod 433.
In this embodiment, because sealed bearing 434's setting, still have sealed effect when realizing that installation pole 433 removes, prevent that the water in the sample chamber A from getting into switch drive chamber C, cause the damage to switch drive device 49, when electric putter promotes installation pole 433 and carries out lateral shifting, rubber buffer 432 on the mounting panel 431 can carry out the shutoff simultaneously to second through-hole 47 and remove the shutoff operation, be convenient for carry out the sampling operation, and simultaneously, electric putter has limit function, when continuously carrying out the shutoff and remove the shutoff operation to second through-hole 47, electric putter can be out of work, save electric power.
Example four
As shown in fig. 1 to 3, 5 and 6, the present embodiment is obtained by adding technical features such as an accommodating box 12 on the basis of the third embodiment, and the remaining technical features are the same as those of the third embodiment, and are not repeated herein, wherein the present embodiment is different from the third embodiment in that: the mounting base plate 2 is provided with a containing box 12 for containing the sampling mechanism 4, the containing box 12 is provided with a box cover 13, the box cover 13 is turned over from the side of the collecting and releasing roller 1 to the other side, the containing box 12 is provided with a notch 14, and the box cover 13 is provided with a pulley 15 for supporting and guiding the connecting pipeline 3; a buffer layer is provided in the storage box 12.
In this embodiment, the storage box 12 is arranged to facilitate storage of the sampling tube 41 and further protect the sampling tube 41, the sampling tube 41 is realized, the retractable roller 1, the air pump 9, the control box 8 and the mounting base plate 2 are integrated, the transportation operation is facilitated, the storage box 12 is provided with the notch 14, so that the connecting pipeline 3 can be embedded into the rear box cover 13 and can be covered on the storage box 12, the pulley 15 is arranged on the box cover 13, when the box cover 13 is in a vertically upward state, the pulley 15 can support and guide the connecting pipeline 3, and friction on the connecting pipeline 3 when the sampling tube 41 is retracted is reduced.
It is to be noted that the foregoing description is only exemplary of the invention and that the principles of the technology may be employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims (10)

1. The utility model provides a measure sampling device of pollution sources among chemical environment, includes sampling mechanism, control mechanism and receive and release the cylinder, characterized by: the control mechanism and the retractable roller are arranged on the mounting base plate, a flexible connecting pipeline is wound on the retractable roller, and the control mechanism is communicated with the sampling mechanism through the connecting pipeline wound on the retractable roller;
the control mechanism comprises a control box and an air pump, and a control switch for controlling the air pump and the sampling mechanism to work is arranged on the control box;
the sampling mechanism comprises a sampling cylinder, a pressure sensor, an air bag and a switch mechanism, the inner space of the sampling cylinder is divided into a sampling cavity and a sinking and floating cavity by a first clapboard, the air bag is arranged in the ups and downs cavity and is communicated with a connecting pipeline which penetrates through the wall of the sampling cylinder, the sampling cavity and the partition plate along the axis of the sampling cylinder, a first through hole communicated with the ups and downs cavity and a second through hole communicated with the sampling cavity are arranged on the wall of the sampling cylinder, a switch driving cavity is divided in the sampling cavity by a second partition board surrounding the connecting pipeline, the switch mechanism arranged in the sampling cavity is driven by a switch driving device arranged in the switch driving cavity to plug the second through hole, the pressure sensor is arranged on the top of the sampling cylinder and is controlled by the control box together with the switch driving device through a connecting pipeline.
2. A sampling device for measuring a source of contamination in a chemical environment as defined in claim 1, wherein: the retractable roller is arranged on the mounting base plate through two parallel supports, and a rotating shaft of the retractable roller penetrates through one support to be connected with a retractable roller driving mechanism.
3. A sampling device for measuring a source of contamination in a chemical environment as defined in claim 2, wherein: the retractable roller driving mechanism is a handle or a motor, and the motor is controlled by the control box.
4. A sampling device for measuring a source of contamination in a chemical environment as defined in claim 3, wherein: the first through holes are at least two and are respectively communicated with the upper part and the lower part of the ups and downs cavity, and the second through holes are two and are respectively communicated with the upper part and the lower part of the sampling cavity.
5. The sampling device of claim 4, wherein the sampling device is configured to: the switch mechanism comprises a mounting plate, a rubber plug and a mounting rod, the rubber plug is arranged on one side of the mounting plate, the position and the quantity of the rubber plug on the mounting plate are the same as those of the second through holes, one side of the mounting plate is connected with one end of the mounting rod, and the other end of the mounting rod slides along the axis of the sealing bearing arranged on the second partition plate to stretch into the switch driving cavity and the switch driving device arranged in the switch driving cavity.
6. The sampling device of claim 5, wherein the sampling device is configured to: the switch driving device is an electric push rod, a piston rod of the electric push rod is connected with an installation rod extending into the switch driving cavity, and the electric push rod is controlled by the connecting pipeline and drives the installation rod to move along the axis of the installation rod.
7. A sampling device for measuring a source of contamination in a chemical environment as defined in claim 6, wherein: the sampling cavity is divided into a first sampling cavity, a second sampling cavity, a third sampling cavity and a fourth sampling cavity by a third partition plate; the sinking and floating cavity is divided into a first sinking and floating cavity, a second sinking and floating cavity and a third sinking and floating cavity which are not communicated with each other through a fourth partition plate.
8. A sampling device for measuring a source of contamination in a chemical environment as defined in claim 7, wherein: the connecting pipeline comprises a steel wire, a control line, a gas pipe and a power line, wherein the control line, the gas pipe and the power line are bound on the steel wire, one end of the steel wire is wound on the take-up and pay-off roller, the other end of the steel wire is fixed at the top of the sampling tube, one end of the control line is wound on the take-up and pay-off roller and connected with the control box, the other end of the control line is connected with the pressure sensor, one end of the power line is wound on the take-up and pay-off roller and connected with the control box, the other end of the power line is connected with the electric push rod, one end of the gas pipe is wound on the take-up and pay-off roller and connected with the gas pump, and the other end of the gas pipe is connected with the gas bag.
9. A sampling device for measuring a source of contamination in a chemical environment as recited in claim 8, wherein: the sampling mechanism is characterized in that a containing box used for containing the sampling mechanism is arranged on the mounting base plate, the containing box is provided with a box cover, the box cover is turned over from the side to the other side of the collecting and releasing roller, a notch is formed in the containing box, and a pulley used for supporting and guiding the connecting pipeline is arranged on the box cover.
10. A sampling device for measuring a source of contamination in a chemical environment as defined in claim 9, wherein: a buffer layer is arranged in the containing box.
CN202210313275.5A 2022-03-28 2022-03-28 Sampling device for measuring pollution source in chemical environment Pending CN114577529A (en)

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Application publication date: 20220603