CN210774820U

CN210774820U - Portable miniature plankton timing and quantitative continuous sampler

Info

Publication number: CN210774820U
Application number: CN201921019538.1U
Authority: CN
Inventors: 王勇; 李鑫熠; 魏子凯; 樊英萍; 丰美萍; 王健鑫; 刘雪珠
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2019-07-02
Filing date: 2019-07-02
Publication date: 2020-06-16
Anticipated expiration: 2029-07-02

Abstract

The utility model discloses a portable micro plankton timing and quantitative continuous sampler, which comprises a shell, a timing device, a sampling pipe and a storage device; the sampling pipe is communicated with the inside of the shell and the outside, and a sampling electric control valve and a flowmeter are arranged in the sampling pipe; the sampling electric control valve is connected with the flow meter and the timing device through a programmable control circuit; a containing cavity is arranged in the shell and is communicated with the sampling pipe; the storage device comprises a plurality of storage cavities positioned below the containing cavities, and the containing cavities can be communicated with at most one storage cavity at the same time; the storage cavity and the storage cavity are communicated under the control of the control circuit, and a water meter is arranged in the storage cavity. The utility model has the advantages of realize the continuous sampling of timing ration, the sampling sample of different saving chambeies storage different times, the sampling is convenient, and the sampling efficiency is high.

Description

Portable miniature plankton timing and quantitative continuous sampler

Technical Field

The utility model relates to a sample thief technical field especially relates to portable miniature plankton is sample thief in succession at regular time and quantity.

Background

At present, no instrument capable of sampling underwater micro plankton continuously at regular time exists in the market. In the sampling process, automatic continuous sampling cannot be realized by instruments during various sampling, and the timing sampling is too troublesome for multiple times. It is therefore desirable to design an apparatus for automatic continuous timed sampling that makes sampling more convenient and simpler.

The Chinese patent document discloses a utility model patent named as 'a deep water sampler' with an authorization publication number of CN208621375U and an authorization publication date of 2019, 3 and 19, the application discloses a deepwater sampler, which comprises a collecting cylinder and a lower cover plate, wherein the upper end of the collecting cylinder is provided with an upper cover plate, the lower cover plate is arranged at the lower end of the collecting cylinder, a water outlet pipe fixed at the bottom of the lower cover plate is in threaded connection with the threaded cover, a water collecting box is fixed above the lower cover plate, the water collecting box is arranged at the lower part of the inner part of the collecting cylinder, the mounting sleeve is arranged above the water collecting box, the other end of the connecting rod is fixed at the lower part of the filter frame, and the bottom of filtering the frame is inlayed and is fixed with the filter screen, the upper surface of collecting vessel is reserved has the cross slot, the screw thread mounting groove has all been seted up to the inside below of upper cover plate and the inside top of apron down, the upper surface central point of collection water box puts and is fixed with the diaphragm. According to the deepwater sampler, water can directly enter the collecting frame after entering from the surface of the upper cover plate through the arrangement of the collecting frame, the collecting frame is of a net-shaped structure, and the arrangement enables the water mixed with solids to be filtered in the collecting frame in advance. The disadvantages are that: continuous and automatic sampling cannot be achieved, repeated timing sampling is troublesome, sampling efficiency is low, and repeated sampling is inconvenient.

Therefore, it is necessary to design a portable micro-type plankton timing and quantitative continuous sampler capable of automatically sampling in a timing and quantitative manner.

SUMMERY OF THE UTILITY MODEL

The utility model discloses overcoming the not enough of automatic continuous sampling can not be accomplished to the sample thief among the prior art, providing a portable miniature plankton is sample thief in succession regularly and quantitatively, save the chamber through a plurality of independent setting with accomodate the chamber cooperation, accomodate the chamber and once can only feed through a save chamber to realize the continuous sampling of regular and quantitative, the sampling sample of different save chamber storage different times, sampling convenience, sampling efficiency is high.

In order to achieve the above purpose, the present invention adopts the following technical solution.

The portable micro plankton timed and quantitative continuous sampler comprises a shell, a timing device, a sampling pipe and a storage device; the sampling pipe is communicated with the inside of the shell and the outside, and a sampling electric control valve and a flowmeter are arranged in the sampling pipe; the sampling electric control valve is connected with the flow meter and the timing device through a programmable control circuit; a containing cavity is arranged in the shell and is communicated with the sampling pipe; the storage device comprises a plurality of storage cavities positioned below the containing cavities, and the containing cavities can be communicated with at most one storage cavity at the same time; the storage cavity and the storage cavity are communicated under the control of the control circuit, and a water meter is arranged in the storage cavity.

The flow meter is matched with the sampling electric control valve to control the sample amount in the containing cavity; the time-recorder cooperates with the control circuit to finish timing, when the sampler is used, the sample flows into the sampling pipe and the containing cavity, after reaching a set value, the sampling electric control valve closes the sampling pipe, the containing cavity is communicated with one of the saving cavities, and when the water meter detects that the sampling amount stored in the saving cavity reaches the set value of the control circuit, the control circuit controls the containing cavity to be separated from the saving cavity; after the set interval time arrives, the sampling electric control valve is opened again through the control circuit, and the other storage cavity is controlled by the control circuit to be communicated with the storage cavity, so that the continuous samples in the interval time period can be quantitatively collected by repeating the actions, the sampling is convenient, and the sampling efficiency is high. If the containing cavity is not arranged, the sampler can only sample the water body in the space with the size of the storage cavity, and if the distribution of the micro plankton is not uniform, the sampling result is poor; accomodate as the sampling of sample through accomodating the chamber, miniature plankton flows into the savings chamber again after can moving about steadily in accomodating the chamber, and the sampling in the savings chamber is favorable to improving the accuracy of sampling result according to accomodating the water of chamber space size.

Preferably, the storage chamber is located in a right cylinder-shaped storage tube, an open end of the storage tube is detachably fixed in the storage chamber, and a seal ring matched with the shell is arranged outside the open end of the storage tube. The containing pipe is in a straight cylinder shape, is convenient to install and take.

Preferably, the shell is a cuboid, and the storage cavity is a cuboid. Make things convenient for the installation of each subassembly inside and outside the casing, improve the installation effectiveness.

Preferably, the plurality of storage cavities are arranged in a circular ring array below the shell, switch circular rings with leak holes are arranged in the storage cavities, and the switch circular rings and the storage cavities can rotate relatively around the circular ring array axis of the storage cavities; the circle center of the leak hole is positioned on the circle where the axes of all the storage cavities are positioned. When the small opening rotates to be relative with certain savings chamber, accomodate the chamber and just communicate with this savings chamber through the small opening, other savings chambers still can guarantee the closure state to guarantee to accomodate the chamber and can communicate a savings chamber at most with the moment, guarantee the independence in every savings chamber, through the rotation in switch ring and savings chamber, just enable to accomodate the different savings chambers of chamber intercommunication, thereby realize continuous regularly sampling.

Preferably, a rotating shaft is fixedly arranged on the bottom surface of the inner side of the containing cavity, and the switch ring can be rotatably arranged around the axis of the rotating shaft; the axis of the circular ring array of the storage cavity is collinear with the axis of the rotating shaft. The rotating axis of the switch ring is determined through the rotating shaft, and the position setting of the switch ring is facilitated.

Preferably, a sealing layer is filled between the switch circular ring and the bottom surface of the shell, and the sealing layer is attached to one side of the switch circular ring; the sealing layer is attached to the outer side of the storage cavity. The sealing layer is laminated with the switch ring, accomplishes the sealed between switch ring and the deposit chamber, prevents that deposit chamber and accomodate leaking between the chamber and influence the sampling result in deposit chamber, improves the reliability of sampling result.

Preferably, the outer side of the switch ring is provided with worm wheel threads, the worm wheel threads are externally provided with a worm matched with the worm wheel threads, and the worm is connected with a waterproof motor. The worm is controlled to rotate by the water discharging motor, the worm drives the turbine pattern to drive the switch ring to rotate, and the switch ring is convenient to control; meanwhile, the worm wheel and the worm are matched for transmission, and the self-locking function is achieved, so that the switch ring is prevented from being displaced due to vibration or other effects, and the reliability of the switch ring is improved.

Preferably, the bottom surface of the shell is detachably connected with the side surface of the shell, a water outlet pipe is arranged on the bottom surface of the shell, and an electrically controlled one-way valve is arranged in the water outlet pipe. The switch circular ring and the sealing layer are both positioned on the bottom surface of the shell, and the bottom surface of the shell is detachably connected, so that the switch circular ring can be conveniently overhauled and replaced, and the waterproof motor can be conveniently assembled; the water outlet pipe is controlled by the check valve, and only water can be discharged, so that accumulated water in the shell can be conveniently discharged.

The utility model discloses an useful part lies in: the micro plankton can be sampled continuously at regular time and quantity, and the use is convenient; the storage cavity is controlled to be connected with the containing cavity through the switch ring, so that the control is convenient; the device overall structure is compact, accomodates the pipe and can twist out the back from the casing bottom surface, deposits and accomodates the intracavity, and the device is whole convenient to carry.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view at a-a in fig. 1.

Fig. 3 is a schematic structural view of the installation of the bottom surface and the storage tube of the housing of the present invention.

Fig. 4 is an enlarged schematic view at B in fig. 1.

In the figure: the one-way valve 111 of the water outlet pipe 11 of the shell 1 is accommodated in the cavity 12, the rotating shaft 13 is provided with a screw 131, the timing device 2 is provided with a sampling pipe 3, an electric control valve 31, a flow meter 32, an accommodating pipe 4, a storage cavity 41, a water meter 42, a ring 5, a leak hole 51 and a worm 6, and the sealing layer 8 of the water-proof motor 7 is arranged on the.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1;

in fig. 1 to 4, the portable micro plankton timing and quantitative continuous sampler comprises a shell 1, a timing device 2, a sampling pipe 3 and a storage device; the sampling pipe 3 is communicated with the inside and the outside of the shell 1, and a sampling electric control valve 31 and a flowmeter 32 are arranged in the sampling pipe 3; the sampling electric control valve 31 is connected with the flow meter 32 and the timing device 2 through a programmable control circuit; the control circuit and power supply are located within the waterproof timing device 2. Be equipped with in casing 1 and accomodate chamber 12, casing 1 is the cuboid, accomodates chamber 12 and is the cuboid. The bottom surface of the shell 1 is detachably connected with the side surface of the shell 1 through a screw 131, and a sealing ring is arranged between the bottom surface of the shell 1 and the side surface of the shell 1. The bottom surface of the shell 1 is provided with a water outlet pipe 11, and an electrically controlled one-way valve 111 is arranged in the water outlet pipe 11. The containing cavity 12 is communicated with the sampling pipe 3 through a sampling electric control valve 31. The water outlet pipe 11 is communicated with the receiving cavity 12 and the outside through a one-way valve 111. Sampling electric control valve 31 is check valve 111 also, and the sample can only flow into from the external world through sampling pipe 3 and accomodate the chamber 12 in to form one-way flow path through sampling pipe 3 and outlet pipe 11, prevent to accomodate the sample in the chamber 12 and flow back again by the subsampling behind sampling pipe 3 outside, prevent to influence the accuracy of sampling result. Sampling pipe 3 and outlet pipe 11 are located the diagonal of both sides about the casing 1 respectively, and the extension sample is in the flow path who accomodates chamber 12, improves the reliability of sampling result.

The storage device comprises six storage cavities 41 located below the storage cavity 12, the storage cavities 41 are located in the storage pipe 4 in a right cylinder shape, the opening end of the storage pipe 4 is detachably fixed in the storage cavity 12 through threads, and a sealing ring matched with the shell 1 is arranged on the outer side of the opening end of the storage pipe 4. The seal ring seals a gap between the storage pipe 4 and the housing 1, and prevents water from entering the storage chamber 41 or the storage chamber 12 from the gap between the storage pipe 4 and the housing 1. A water meter 42 is arranged in the reservoir chamber 41, the water meter 42 is arranged at the bottom of the reservoir chamber 41, and the water meter 42 is a wet pressure water meter 42. Water meter 42 can monitor the amount of liquid in reservoir chamber 41. The accommodating cavity 12 can be communicated with at most one reservoir cavity 41 at the same time; the communication condition of the storage cavities 41 and the storage cavity 12 is controlled by a control circuit, six storage cavities 41 are arranged in a circular array below the shell 1, a switch circular ring 5 with a leak hole 51 is arranged in the storage cavity 12, and the switch circular ring 5 and the storage cavities 41 can rotate relatively around the circular array axis of the storage cavities 41; the centre of the orifice 51 is located on a circle on which the axes of all the reservoir chambers 41 lie. A rotating shaft 13 is fixedly arranged on the bottom surface of the inner side of the containing cavity 12, and the switch ring 5 can be rotatably arranged around the axis of the rotating shaft 13; the switch ring 5 is connected with the rotating shaft 13 through a bearing, the end part of the screw 131 is larger than the end surface of the rotating shaft 13, so that an outward convex ring part is formed outside the rotating shaft 13, and the inner ring of the bearing can be pressed through the ring part at the end part of the screw 131. The outer ring of the bearing is in interference fit with the inner side of the switch ring 5, and the axis of the ring array of the storage cavity 41 is collinear with the axis of the rotating shaft 13. The outer side of the switch ring 5 is provided with worm wheel threads, the worm wheel threads are externally provided with a worm 6 matched with the worm wheel threads, and the worm 6 is connected with a waterproof motor 7. Both ends of the worm 6 are fixed in the bottom surface of the housing 1 by bearings. The waterproof motor 7 is fixed on the outer side of the housing 1. The waterproof motor 7 drives the worm 6 to drive the switch ring 5 to rotate, so that the leakage holes 51 of the switch ring 5 can correspond to different storage cavities 41. The diameter of the orifice 51 is 1/2 the diameter of the opening of the reservoir chamber 41, ensuring the reliability of the flow of sample from the receiving chamber 12 to the individual reservoir chambers 41. A sealing layer 8 is filled between the switch circular ring 5 and the bottom surface of the shell 1, and the sealing layer 8 is attached to one side of the switch circular ring 5; the outside laminating of sealing layer 8 and savings chamber 41, the open end screw of savings chamber 41 stretches out certain length after screwing in the bottom surface of casing 1, the position that sealing layer 8 corresponds savings chamber 41 sets up the opening, guarantees savings chamber 41 and accomodates the intercommunication between the chamber 12, and the thickness of sealing layer 8 is greater than the length that savings chamber 41 open end stretches out from casing 1 to realize the sealed between ring switch and the savings chamber 41 through sealing layer 8. A lifting ring can be arranged above the shell and used for suspending the sampler, and the sampler can be provided with a bracket to support the sampler.

The flow meter 32 is matched with the sampling electric control valve 31 to control the sample amount in the containing cavity 12; the timer is matched with the control circuit to finish timing, and the electric control one-way valve 111 in the water outlet pipe 11 exhausts the water in the containing cavity 12. When the sampler is used, a sample flows into the sampling pipe 3 and the containing cavity 12, after the control quantity is reached, the sampling electric control valve 31 closes the sampling pipe 3, the switch ring 5 rotates, the leak hole 51 is opposite to one storage cavity 41, the containing cavity 12 is communicated with the storage cavity 41, and other storage cavities 41 keep a closed state. When the water meter 42 in the storage cavity 41 communicated with the storage cavity 12 detects that the sampling amount stored in the storage cavity 41 reaches the set value of the control circuit, the control circuit controls the waterproof motor 7 to drive the switch ring 5 to rotate, the storage cavity 41 is separated from the storage cavity 12, and one-time quantitative sampling is completed. The control circuit controls the electric control one-way valve 111 in the water outlet pipe 11 to be opened, and the liquid in the containing cavity 12 is discharged. After the set interval time is up, the sampling electric control valve 31 is opened again through the control circuit, after the flowmeter 32 measures the water inflow in the containing cavity 12 and reaches the set value, the sampling electric control valve 31 is closed, the control circuit switch ring 5 rotates until the leak hole 51 is opposite to the next storage cavity 41, the storage cavity 41 is communicated with the containing cavity 12, the actions are repeated, continuous samples in the interval time period can be collected quantitatively, the sampling is convenient, and the sampling efficiency is high.

Claims

1. The portable micro plankton timed and quantitative continuous sampler is characterized by comprising a shell, a timing device, a sampling pipe and a storage device; the sampling pipe is communicated with the inside of the shell and the outside, and a sampling electric control valve and a flowmeter are arranged in the sampling pipe; the sampling electric control valve is connected with the flow meter and the timing device through a programmable control circuit; a containing cavity is arranged in the shell and is communicated with the sampling pipe; the storage device comprises a plurality of storage cavities positioned below the containing cavities, and the containing cavities can be communicated with at most one storage cavity at the same time; the storage cavity and the storage cavity are communicated under the control of the control circuit, and a water meter is arranged in the storage cavity.

2. The portable micro-plankton timed and quantitative continuous sampler according to claim 1, wherein the storage chamber is located in a storage tube in a shape of a right cylinder, the open end of the storage tube is detachably fixed in the storage chamber, and a sealing ring matched with the shell is arranged outside the open end of the storage tube.

3. The portable miniature plankton continuous sampler of claim 1 wherein the housing is a cuboid and the receiving cavity is a cuboid.

4. The portable minitype plankton timing and quantitative continuous sampler according to claim 1, 2 or 3, characterized in that a plurality of storage cavities are arranged in a circular array below the shell, a switch circular ring with a leak hole is arranged in the storage cavity, and the switch circular ring and the storage cavities can rotate relatively around the circular array axis of the storage cavities; the circle center of the leak hole is positioned on the circle where the axes of all the storage cavities are positioned.

5. The portable micro plankton continuous sampler of claim 4, wherein a rotating shaft is fixed on the bottom surface of the inner side of the containing cavity, and the switch ring is rotatably arranged around the axis of the rotating shaft; the axis of the circular ring array of the storage cavity is collinear with the axis of the rotating shaft.

6. The portable micro plankton timed and quantitative continuous sampler according to claim 4, wherein a sealing layer is filled between the switch ring and the bottom surface of the shell, and the sealing layer is attached to one side of the switch ring; the sealing layer is attached to the outer side of the storage cavity.

7. The portable miniature plankton continuous timing and quantifying sampler according to claim 4, wherein the outside of the switch ring is provided with a worm gear pattern, the outside of the worm gear pattern is provided with a worm matched with the worm gear pattern, and the worm is connected with a waterproof motor.

8. The portable miniature plankton continuous sampler of claim 1, wherein the bottom surface of the housing is detachably connected with the side surface of the housing, the bottom surface of the housing is provided with a water outlet pipe, and the water outlet pipe is internally provided with an electrically controlled one-way valve.