CN-224231342-U - Multichannel water sample collection system

CN224231342UCN 224231342 UCN224231342 UCN 224231342UCN-224231342-U

Abstract

The utility model discloses a multichannel water sample collecting device which comprises a fixing frame, a water sample automatic collecting unit and a control cabin, wherein the water sample automatic collecting units and the control cabin are all fixed on the fixing frame, the control cabin controls the water sample automatic collecting unit to finish water sample collecting work under water, the water sample automatic collecting unit comprises a water sample collecting module and a driving motor module, the water sample collecting module comprises a sampling cylinder, a tee joint interface, a push rod and a piston, the bottom end of the push rod penetrates through a through hole at the upper part of the sampling cylinder to be connected with the piston in the sampling cylinder, the circumferential direction of the piston is in sealing connection with the sampling cylinder, a vertical interface at the upper end of the tee joint interface is communicated with a through hole at the lower part of the sampling cylinder, a one-way valve is arranged in a vertical interface at the lower end of the tee joint interface, a plug is detachably fixed at a horizontal interface, and the driving motor module is connected with the top end of the push rod to drive the push rod to move up and down.

Inventors

ZHAO YANCHAO
HUANG ZIQI
LAN CHUANCHUN
YAO HUA
ZHAO GUANREN
WU HAN

Assignees

青岛罗博飞海洋技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250423

Claims (6)

1. The multichannel water sample collection system, its characterized in that includes mount, water sample automatic acquisition unit and control cabin, and a plurality of water sample automatic acquisition units and control cabin are all fixed on the mount, and a plurality of water sample automatic acquisition units all are connected with the control cabin, and control cabin control water sample automatic acquisition unit accomplishes the water sample collection work under water.
2. The multi-channel water sample collection device according to claim 1, wherein the water sample automatic collection unit comprises a water sample collection module and a driving motor module, the water sample collection module comprises a sampling cylinder, a tee joint interface, a push rod and a piston, the bottom end of the push rod penetrates through a through hole in the upper portion of the sampling cylinder to be connected with the piston in the sampling cylinder in a sealing manner, the vertical interface at the upper end of the tee joint interface is communicated with a through hole in the lower portion of the sampling cylinder, a one-way valve is arranged in the vertical interface at the lower end of the tee joint interface, a plug is detachably fixed at the horizontal interface of the tee joint interface, and the driving motor module is connected with the top end of the push rod to drive the push rod to move up and down.
3. The multichannel water sample collection device according to claim 2, wherein the automatic water sample collection unit further comprises a swing arm, a limiting pulling piece and a fixing clamp, the water sample collection module further comprises a spring, the water sample collection module and the driving motor module are fixed on the upper fixing clamp and the lower fixing clamp, the top end of the push rod is provided with a blocking part, the spring is wound on the push rod, the upper end of the spring is propped against the lower side of the blocking part, the lower end of the spring is propped against the upper part of the collection cylinder, the output end of the driving motor module is connected with one end of the swing arm to drive the swing arm to rotate, the limiting pulling piece is arranged at the free end of the swing arm, when the water sample collection module is in a triggering state, the free end of the swing arm is embedded into the lower side of the limiting pulling piece, the top of the push rod is propped against the lower side of the swing arm, the spring is in a compression state, the bottom of the push rod pushes the piston to the bottom of the collection cylinder, the swing arm rotates, the water sample collection module is converted from the triggering state to a preparation state, the push rod drives the piston to move to the top of the collection cylinder, and the water sample enters the collection cylinder.
4. The multi-channel water sample collection device according to claim 3, wherein the driving motor module comprises a front end cover, a barrel, a rear end cover, a rotating shaft, a coupler, a motor fixing plate, a circuit board and a cabin penetrating piece, wherein the front end cover and the rear end cover are respectively connected with a front end opening and a rear end opening in a sealing mode in the circumferential direction, the motor is fixed at the bottom of the front end cover through the motor fixing plate, the rotating shaft penetrates through a through hole in the middle of the front end cover and is connected with the front end cover in a sealing and rotating mode, one end of the rotating shaft is connected with a swing arm, the other end of the rotating shaft is connected with the motor output rotating shaft through the coupler, the circuit board is fixed on the rear end cover, the cabin penetrating piece is fixed in a sealing mode in the through hole in the middle of the rear end cover, and a cable connected with the motor penetrates through the cabin penetrating piece to be connected with the control cabin.
5. The multi-channel water sample collecting device according to claim 1, wherein the fixing frame comprises fixing plates and upright posts, at least three fixing plates are sequentially fixed on the upright posts from top to bottom to form a rectangular frame, fixing holes are formed in the fixing plates, the fixing holes correspond to the water sample automatic collecting units, and the water sample automatic collecting units are fixed on the fixing holes.
6. The multi-channel water sample collection device according to claim 5 wherein the control cabin is placed transversely and fixed on a fixed plate at the bottom of the fixed frame through a fixed seat, and a cable of the control cabin is connected with a cable of the driving motor module.

Description

Multichannel water sample collection system Technical field: The utility model belongs to the technical field of underwater water sample collection devices, and particularly relates to an underwater multichannel water sample collection device. The background technology is as follows: the ocean covers 70% of the earth's surface, is a living cradle, and is an important resource for sustainable development of human beings. Therefore, seawater quality detection becomes a key means for solving the problem. The seawater quality detection is not only helpful for evaluating the water quality condition and ensuring that the water quality meets the standards of ecology and human use, but also can discover the water quality problem in time, protect the marine organism diversity and maintain the ecological balance. Meanwhile, the seawater is also very important for guaranteeing human health, and the safety of the seawater in recreational, fishery and drinking water sources is guaranteed. In addition, the seawater quality detection data also provides scientific basis for authorities and related institutions, and supports the establishment of scientific ocean management policies. The prior art discloses a related underwater sampling device, such as a seawater sampling device disclosed in patent publication No. CN221925768U, which realizes sampling of underwater water samples at different depths by pulling a sampling cylinder through a hauling rope on a ship, and a seawater sampling device and a sampling control method based on an unmanned aerial vehicle, which are disclosed in patent publication No. CN119749907A, and comprise an unmanned aerial vehicle, a traction device, a liquid storage device and a sampling sub-device, wherein the sampling sub-device is fixed below the unmanned aerial vehicle in a lifting manner through the traction device, the sampling sub-device is used for lowering to a set position area of seawater to realize seawater sampling, the liquid storage device is arranged on the unmanned aerial vehicle, the sampling sub-device is used for sampling and storing the water samples collected at different depths through a liquid taking pipe, and the liquid storage device is provided with a plurality of subareas. Although the two patents can realize rapid sampling of different depths at a certain position, the sampling unit can only perform one sampling after being used for draining, and cannot perform multiple sampling. Therefore, the application provides a multichannel water sample collecting device which can realize multiple sampling after one-time water draining. The utility model comprises the following steps: The utility model aims to overcome the defects and shortcomings in the prior art and provides a multichannel water sample collecting device. In order to achieve the above purpose, the multichannel water sample collecting device comprises a fixing frame, water sample automatic collecting units and a control cabin, wherein the water sample automatic collecting units and the control cabin are all fixed on the fixing frame, the water sample automatic collecting units are all connected with the control cabin, and the control cabin controls the water sample automatic collecting units to finish water sample collecting work under water. The utility model relates to an automatic water sample collecting unit which comprises a water sample collecting module and a driving motor module, wherein the water sample collecting module comprises a sampling cylinder, a tee joint interface, a push rod and a piston, the bottom end of the push rod penetrates through a through hole in the upper part of the sampling cylinder to be connected with the piston in the sampling cylinder, the piston is in circumferential sealing connection with the sampling cylinder, a vertical interface at the upper end of the tee joint interface is communicated with a through hole in the lower part of the sampling cylinder, a one-way valve is arranged in the vertical interface at the lower end of the tee joint interface, a plug is detachably fixed at the horizontal interface of the tee joint interface, and the driving motor module is connected with the top end of the push rod to drive the push rod to move up and down. The water sample automatic acquisition unit still includes swing arm, spacing plectrum and fixation clamp, the water sample acquisition module still includes the spring, water sample acquisition module and driving motor module are fixed on two upper and lower fixation clamps, the push rod top sets up the blocking part, the spring winds on the push rod and its upper end is supported and is leaned on blocking part downside, the lower extreme is supported and is leaned on collection section of thick bamboo upper portion, driving motor module output is connected with swing arm one end, drive the swing arm and rotate, set up spacing plectrum at the swing arm free end, when the water sample acquisition module is in trigger state, swing arm