CN112444430A

CN112444430A - Depth-adjustable water quality detector for stratified sampling

Info

Publication number: CN112444430A
Application number: CN202011161892.5A
Authority: CN
Inventors: 李宣霖
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-03-05

Abstract

The invention provides a depth-adjustable water quality detector for stratified sampling, and relates to the technical field of water quality detection and sampling. This water quality detector for layering sample of degree of depth adjustable, which comprises a housin, the top fixed mounting of casing has some firearms, the top fixedly connected with gas generator of casing top point firearm, gas generator's peripheral fixedly connected with gasbag, the below slip elastic connection of the inside some firearm of casing has the mount pad, the top fixed mounting of mount pad has the power, the peripheral fixedly connected with sleeve of mount pad. This degree of depth adjustable layering is water quality detector for sample has avoided the tractive of cable to and intelligent remote control unit's use, convenient operation has reduced the cost of sample, can realize the sample to the different degree of depth waters, has realized having improved the accuracy that detects to the regional even sample of certain degree of depth, has avoided the loaded down with trivial details of the sample of relapse single.

Description

Depth-adjustable water quality detector for stratified sampling

Technical Field

The invention relates to the technical field of water quality detection and sampling, in particular to a depth-adjustable water quality detector for stratified sampling.

Background

When quality of water to the waters is examined, at first need take a sample, and in order to improve the accuracy that detects, often need carry out the stratified sampling to the different degree of depth in specific waters, and when the degree of depth that needs the sample is very dark, traditional sampling device need utilize very long cable to carry out the tractive, and after reaching certain degree of depth, the remote control is sampled, the technical requirement is high, and need use a large amount of materials, the cost of sample has been increased, and at the in-process of stratified sampling, need repeated taking a sample at the different degree of depth, can't carry out even sampling in one section high field, the accuracy that detects has been reduced, and sample complex operation repeatedly.

In order to solve the problems, the inventor provides a depth-adjustable layered sampling water quality detector, which avoids the traction of cables and the use of an intelligent remote control device, is convenient to operate, reduces the sampling cost, can realize the sampling of water areas with different depths, realizes the uniform sampling of a certain depth area, improves the detection accuracy and avoids the complexity of repeated sampling for a single time.

Disclosure of Invention

In order to achieve the purpose, the invention is realized by the following technical scheme: a water quality detector for layered sampling with adjustable depth comprises a shell, an igniter, a gas generator, an air bag, a mounting seat, a power supply, a sleeve, a limiting rod, a limiting groove, a ball, a metal plate, a water pressure disc, a telescopic plate, a magnetic block, a transmission rod, a sliding block, a spring, a threaded disc, a worm, a limiting sleeve, a sampling cylinder, a pull rod, a water pumping pipe and a balancing weight.

Wherein:

the gas generating device comprises a shell, an igniter, a gas generator, a limiting rod, a sleeve, a metal plate, a water pressure disc, telescopic plates, a magnetic block, a transmission rod and a sliding block, wherein the igniter is fixedly arranged at the top of the shell, the gas generator is fixedly connected above the igniter at the top end of the shell, the airbag is fixedly connected at the periphery of the gas generator, the mounting seat is elastically connected below the igniter in the shell in a sliding manner, the power supply is fixedly arranged at the top end of the mounting seat, the sleeve is fixedly connected at the periphery of the mounting seat, the limiting rod is fixedly arranged at the bottom end of the mounting seat, the limiting groove is formed in the lower part of the mounting seat in the shell, the ball is placed at the top of the limiting groove, the metal plate is elastically connected below the ball in the limiting groove, the water pressure disc is fixedly arranged at the bottom end of the shell, the improved water sampler is characterized in that a spring is fixedly connected between the sliding block and the telescopic plate, a threaded disc is rotatably connected to the center of the bottom of the water pressure disc, a screw is meshed with the right end of the threaded disc, a limiting sleeve is fixedly connected to the bottom of the water pressure disc, a sampling cylinder is sleeved at the bottom of the limiting sleeve, a pull rod is slidably connected to the center of the inner portion of the sampling cylinder, a water pumping pipe is fixedly connected to the periphery of the sampling cylinder, and a balancing weight is fixedly connected to the bottom of the sampling cylinder.

Preferably, the bottom end of the igniter is electrically connected to the contacts and is aligned with the positive and negative poles at the top end of the power supply, so that the igniter can be energized when the power supply is moved upward until the positive and negative poles contact the contacts.

Preferably, the sleeve is located on the periphery of the shell, and the sleeve is fixedly connected with the mounting seat through the support rod, so that the sleeve and the mounting seat can be pushed to move downwards from the periphery.

Preferably, the top of spacing groove is circular-arc, just the round hole has been seted up at the center of spacing inslot portion metal sheet, and with the diameter looks adaptation of gag lever post for the ball is when being moved upwards, and the ball can be drawn close to the centre.

Preferably, the expansion plate is attached to the inner walls of the left side and the right side of the hydraulic disc, the outer side of the expansion plate is communicated with the outside, the diameter of the communicated hole is smaller than that of the expansion plate, the expansion plate can be limited, and the expansion plate can sense the water pressure on the periphery of the hydraulic disc.

Preferably, the bottom of slider has seted up the tooth, the spiral line has been seted up on the top of screw thread dish, and with the tooth intermeshing of slider bottom, consequently, at the rotatory in-process of screw thread dish, can drive the slider of the left and right sides inwards or outwards remove simultaneously.

Preferably, pull rod fixed mounting is in the center of water pressure dish bottom, just inside pull rod outlying middle part of sampling tube and bottom be fixedly connected with piston and closure plate respectively, during initial condition, the piston is located drinking-water pipe horizontal position's top, consequently, when the piston rebound, can extract water, and when the closure plate moves up to and locate with the drinking-water pipe, can block up the drinking-water pipe, avoids the outflow of sample.

The invention provides a depth-adjustable water quality detector for stratified sampling. The method has the following beneficial effects:

1. this depth adjustable stratified sampling water quality detector, through the increase along with the increase hydraulic pressure of waters degree of depth, the cooperation expansion plate is to hydraulic perception, and remove spacing to the power, come to circular telegram gas generator, can make sampling device arrive certain degree of depth after, automatic can the rebound, and accomplish the sample at the in-process of rebound, the tractive of cable has been avoided, and intelligent remote control device's use, and convenient for operation, and the cost of sample has been reduced.

2. This degree of depth adjustable layering is taken a sample and is used water quality detector through the rotation that rotates the worm and drive the screw thread dish, can make the screw thread dish drive the slider of the left and right sides inwards or outwards remove simultaneously, and then changed the initial length of spring for the expansion plate receives the resistance of water pressure shrink and changes, and then has changed the degree of depth that triggers gas generator, can realize the sample to the different degree of depth waters.

3. This water quality detector for depth-adjustable's layering sample through the design of sampler barrel and inside pull rod, moves down at the relative pull rod of sampler barrel and accomplishes the in-process of sample, and the whole also can the rebound of sampler barrel, and then has realized having improved the accuracy that detects to the regional even sample of certain degree of depth, has avoided the loaded down with trivial details of the single sample repeatedly.

Drawings

FIG. 1 is a cross-sectional view of a structure of the present invention;

FIG. 2 is a cross-sectional view of a sampling structure according to the present invention;

FIG. 3 is a cross-sectional view of the top structure of the housing of the present invention;

FIG. 4 is a cross-sectional view of a hydraulic disc construction of the present invention;

FIG. 5 is a top view of the threaded disk configuration of the present invention;

FIG. 6 is a cross-sectional view of a sampling tube structure of the present invention;

FIG. 7 is a cross-sectional view of the sampling tube structure after sampling is completed according to the present invention.

In the figure: 1. a housing; 2. an igniter; 3. a gas generator; 4. an air bag; 5. a mounting seat; 6. a power source; 7. a sleeve; 8. a limiting rod; 9. a limiting groove; 10. a ball; 11. a metal plate; 12. a water pressure disc; 13. a retractable plate; 14. a magnetic block; 15. a transmission rod; 16. a slider; 17. a spring; 18. a threaded disc; 19. a worm; 20. a limiting sleeve; 21. a sampling tube; 22. a pull rod; 23. a water pumping pipe; 24. and a balancing weight.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

An embodiment of the depth-adjustable water quality detector for stratified sampling is as follows:

referring to fig. 1-7, a depth-adjustable water quality detector for stratified sampling includes a housing 1, an igniter 2, a gas generator 3, an airbag 4, a mounting seat 5, a power supply 6, a sleeve 7, a limiting rod 8, a limiting groove 9, a ball 10, a metal plate 11, a water pressure disc 12, a telescopic plate 13, a magnetic block 14, a transmission rod 15, a sliding block 16, a spring 17, a threaded disc 18, a worm 19, a limiting sleeve 20, a sampling cylinder 21, a pull rod 22, a water pumping pipe 23, and a counterweight block 24.

Wherein:

an igniter 2 is fixedly installed at the top of a shell 1, a gas generator 3 is fixedly connected above the igniter 2 at the top end of the shell 1, an air bag 4 is fixedly connected on the periphery of the gas generator 3, an installation seat 5 is elastically connected below the igniter 2 in the shell 1 in a sliding manner, a power supply 6 is fixedly installed at the top end of the installation seat 5, contacts are electrically connected to the bottom end of the igniter 2 and are aligned with the positive and negative electrodes at the top end of the power supply 6, therefore, when the power supply 6 moves upwards until the positive and negative electrodes are contacted with the contacts, the igniter 2 can be electrified, a sleeve 7 is fixedly connected to the periphery of the installation seat 5, the sleeve 7 is positioned at the periphery of the shell 1, the sleeve 7 is fixedly connected with the installation seat 5 through a support rod, therefore, the sleeve 7 and the installation seat 5 can be pushed to move downwards from the periphery, a limiting rod 8 is fixedly installed at, the top end of the limiting groove 9 is arc-shaped, a round hole is arranged at the center of the metal plate 11 in the limiting groove 9 and is matched with the diameter of the limiting rod 8, when the round ball 10 moves upwards, the round ball 10 can be drawn close to the middle, the round ball 10 is placed at the top of the limiting groove 9, the metal plate 11 is elastically connected below the round ball 10 in the limiting groove 9, the water pressure disc 12 is fixedly installed at the bottom end of the shell 1, the expansion plates 13 are slidably connected to the left side and the right side of the water pressure disc 12, the expansion plates 13 are attached to the inner walls of the left side and the right side of the water pressure disc 12, the outer sides of the expansion plates 13 are communicated with the outside, the diameter of the communication holes is smaller than that of the expansion plates 13, the expansion plates 13 can be limited, the expansion plates 13 can sense the water pressure at the periphery of the water pressure disc 12, the water pressure is increased along with the increase of the depth of a water area, come to electrify gas generator 3, can make sampling device can the rebound automatically after reaching certain degree of depth to accomplish the sample at the in-process of rebound, avoided the tractive of cable, and intelligent remote control unit's use, convenient operation, and reduced the cost of sample.

A magnetic block 14 is connected below a limiting groove 9 in the shell 1 in a sliding manner, a transmission rod 15 is connected between the magnetic block 14 and an expansion plate 13 in a transmission manner, a slide block 16 is connected in a sliding manner in the water pressure disc 12, teeth are arranged at the bottom end of the slide block 16, spiral threads are arranged at the top end of a thread disc 18 and are meshed with the teeth at the bottom end of the slide block 16, therefore, in the rotating process of the thread disc 18, the slide blocks 16 at the left side and the right side can be driven to move inwards or outwards simultaneously, a spring 17 is fixedly connected between the slide block 16 and the expansion plate 13, the thread disc 18 is rotatably connected with the center of the bottom of the water pressure disc 12, a worm 19 is meshed at the right end of the thread disc 18, the thread disc 18 can drive the slide blocks 16 at the left side and the right side to move inwards or outwards simultaneously by rotating the worm 19 to drive the thread disc 18, further, the initial, further, the depth of the trigger gas generator 3 is changed, and sampling of water areas of different depths can be realized.

The bottom end of the water pressure disc 12 is fixedly connected with a limiting sleeve 20, the bottom of the limiting sleeve 20 is sleeved with a sampling tube 21, the center inside the sampling tube 21 is connected with a pull rod 22 in a sliding manner, the periphery of the sampling tube 21 is fixedly connected with a water pumping pipe 23, the pull rod 22 is fixedly installed at the center of the bottom end of the water pressure disc 12, the middle part and the bottom end of the periphery of the pull rod 22 inside the sampling tube 21 are respectively and fixedly connected with a piston and a blocking plate, and in an initial state, the piston is positioned above the horizontal position of the water pumping pipe 23, so that when the piston moves upwards, water can be pumped, when the blocking plate moves upwards to the position of the water pumping pipe 23, the water pumping pipe 23 can be blocked, the outflow of a sample is avoided, the bottom end of the sampling tube 21 is fixedly connected with a balancing weight 24, through the design of the sampling tube 21 and the internal pull rod 22, in the process of sampling tube, and then realized to the even sampling in certain degree of depth region, improved the accuracy that detects, avoided the loaded down with trivial details of relapse single sample.

When the sampling device is used, the sampling cylinder 21 is moved upwards to limit the top of the sampling cylinder in the limiting sleeve 20 and is attached to the bottom end of the water pressure disc 12, then the sleeve 7 is pushed downwards to drive the mounting seat 5, the power supply 6 and the limiting rod 8 to move downwards, when the bottom of the limiting rod 8 moves downwards to the inside of the limiting groove 9, the round ball 10 can be fixed and limited by the metal plate 11 through the arc-shaped design of the top of the limiting groove 9 in cooperation with the pushing of the metal plate 11 to the round ball 10, after the preparation work is completed, the shell 1 is placed in a water area needing sampling, so that the shell moves downwards in the water area under the action of the balancing weight 24 and the self gravity, the water pressure at the periphery of the water pressure disc 12 can be gradually increased along with the increase of the descending depth, and then the telescopic plates 13 at the left side and the right side of the water pressure disc 12 can gradually contract inwards under the action of the pressure, and in the process of, through the action of the transmission rod 15, the magnetic block 14 can move upwards to be close to the limiting groove 9, when the magnetic block 14 is close to the limiting groove 9 to move the inner metal plate 11 downwards, the extrusion of the ball 10 on the limiting rod 8 is further relieved, the mounting seat 5 and the power supply 6 are sprung upwards to enable the positive pole and the negative pole of the power supply 6 to be in contact with the contacts of the igniter 2, the igniter 2 is electrified, the gas generator 3 is enabled to act to prop the gas bag 4 open, upward buoyancy is further generated, the shell 1 is driven to move upwards, the sampling cylinder 21 at the bottom is separated from the limiting sleeve 20 under the action of the counterweight block 24 and moves downwards relative to the water pressure disc 12 and the pull rod 22, the pull rod 22 drives the piston and the blocking plate to move upwards, and in the process of the piston moving upwards, the sampling cylinder 21 can extract water with a certain depth through the water pumping pipe 23, in the process of extraction, the whole sampling cylinder 21 moves upwards along with the shell 1, so that uniform sampling of water in a certain depth area is realized, after sampling is completed, the blocking plate moves upwards to block the water pumping pipe 23, so that water samples are prevented from flowing out, and finally the shell 1 and the sampling cylinder 21 float out of the water surface under the action of buoyancy and are convenient to collect;

and when the degree of depth of water intaking need to be changed, can directly rotate worm 19, utilize the intermeshing of worm 19 and the peripheral tooth of screw thread dish 18, make screw thread dish 18 rotate, and utilize the intermeshing of 18 top spiral lines of screw thread dish and slider 16, can make the slider 16 of the left and right sides inwards or outwards remove simultaneously, and then change spring 17's initial length, make expansion plate 13 need suffer different pressures and come compression spring 17 to reach certain stroke, and then changed the degree of depth that triggers gas generator 3, can sample the waters of the different degree of depth.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a depth-adjustable's stratified sampling water quality detector, includes casing (1), its characterized in that: the gas generating device is characterized in that an igniter (2) is fixedly mounted at the top of the shell (1), a gas generator (3) is fixedly connected above the igniter (2) at the top end of the shell (1), an air bag (4) is fixedly connected to the periphery of the gas generator (3), a mounting seat (5) is slidably and elastically connected below the igniter (2) in the shell (1), a power supply (6) is fixedly mounted at the top end of the mounting seat (5), a sleeve (7) is fixedly connected to the periphery of the mounting seat (5), a limiting rod (8) is fixedly mounted at the bottom end of the mounting seat (5), a limiting groove (9) is formed in the lower portion of the mounting seat (5) in the shell (1), a round ball (10) is placed at the top of the limiting groove (9), a metal plate (11) is elastically connected below the round ball (10) in the limiting groove (9), and a water pressure disc (12) is fixedly mounted at the bottom end of, the water sampling device is characterized in that telescopic plates (13) are connected to the left side and the right side of the water pressure disc (12) in a sliding manner, a magnetic block (14) is connected to the lower portion of a limiting groove (9) in the shell (1) in a sliding manner, a transmission rod (15) is connected between the magnetic block (14) and the telescopic plates (13) in a transmission manner, a sliding block (16) is connected to the inside of the water pressure disc (12) in a sliding manner, a spring (17) is fixedly connected between the sliding block (16) and the telescopic plates (13), a threaded disc (18) is rotatably connected to the center of the bottom of the water pressure disc (12), a worm (19) is meshed with the right end of the threaded disc (18), a limiting sleeve (20) is fixedly connected to the bottom end of the water pressure disc (12), a sampling cylinder (21) is sleeved at the bottom of the limiting sleeve (20), a pull rod (22) is connected to, the bottom end of the sampling tube (21) is fixedly connected with a balancing weight (24).

2. The water quality detector for stratified sampling with adjustable depth as claimed in claim 1, wherein: the bottom end of the igniter (2) is electrically connected with a contact and is aligned with the positive electrode and the negative electrode at the top end of the power supply (6).

3. The water quality detector for stratified sampling with adjustable depth as claimed in claim 1, wherein: the sleeve (7) is positioned on the periphery of the shell (1), and the sleeve (7) is fixedly connected with the mounting seat (5) through a support rod.

4. The water quality detector for stratified sampling with adjustable depth as claimed in claim 1, wherein: the top end of the limiting groove (9) is arc-shaped, and a round hole is formed in the center of the metal plate (11) in the limiting groove (9) and is matched with the diameter of the limiting rod (8).

5. The water quality detector for stratified sampling with adjustable depth as claimed in claim 1, wherein: the expansion plate (13) is attached to the inner walls of the left side and the right side of the hydraulic disc (12), the outer side of the expansion plate (13) is communicated with the outside, and the diameter of the communication hole is smaller than that of the expansion plate (13).

6. The water quality detector for stratified sampling with adjustable depth as claimed in claim 1, wherein: the bottom end of the sliding block (16) is provided with teeth, the top end of the threaded disc (18) is provided with spiral threads, and the spiral threads are meshed with the teeth at the bottom end of the sliding block (16).

7. The water quality detector for stratified sampling with adjustable depth as claimed in claim 1, wherein: the pull rod (22) is fixedly installed at the center of the bottom end of the water pressure disc (12), the middle and the bottom end of the periphery of the pull rod (22) in the sampling cylinder (21) are fixedly connected with a piston and a blocking plate respectively, and the piston is located above the horizontal position of the water pumping pipe (23) in an initial state.