CN216717904U - Quality of water autosampler and installation cabinet thereof - Google Patents
Quality of water autosampler and installation cabinet thereof Download PDFInfo
- Publication number
- CN216717904U CN216717904U CN202122832413.4U CN202122832413U CN216717904U CN 216717904 U CN216717904 U CN 216717904U CN 202122832413 U CN202122832413 U CN 202122832413U CN 216717904 U CN216717904 U CN 216717904U
- Authority
- CN
- China
- Prior art keywords
- sample storage
- valve
- sampling
- pipe
- valve island
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
本实用新型涉及水质取样装置的技术领域，公开了一种水质自动取样器及其安装柜，取样器包括中控装置、过滤装置、蠕动泵、流量计、阀岛和取样瓶；过滤装置设置在取样器的取液口且过滤装置通过进水管与蠕动泵连接；蠕动泵通过连接管与位于阀岛首端的进水口连接，连接管上安装有流量计；阀岛中段设置储样出水口，且阀岛的储样出水口与取样瓶连接；阀岛的尾端设置移液口，且阀岛尾端的移液口连接有与外部连通的一级排水管，一级排水管上安装有排水电磁阀；中控装置分别与蠕动泵、流量计、阀岛、排水电磁阀电连接。本实用新型具有减小检测误差、提高了取样体积精度、实现分级储存避免无效取样的优点。
The utility model relates to the technical field of water quality sampling devices, and discloses an automatic water quality sampler and an installation cabinet thereof. The sampler comprises a central control device, a filtering device, a peristaltic pump, a flow meter, a valve island and a sampling bottle; The liquid taking port of the sampler and the filter device are connected with the peristaltic pump through the water inlet pipe; the peristaltic pump is connected with the water inlet located at the head end of the valve island through the connecting pipe, and a flow meter is installed on the connecting pipe; the middle section of the valve island is provided with a storage water outlet, and The sample storage water outlet of the valve island is connected with the sampling bottle; the tail end of the valve island is provided with a pipetting port, and the pipetting port at the tail end of the valve island is connected with a first-level drainage pipe that communicates with the outside, and a drainage solenoid is installed on the first-level drainage pipe. The central control device is electrically connected with the peristaltic pump, the flow meter, the valve island and the drain solenoid valve respectively. The utility model has the advantages of reducing the detection error, improving the sampling volume precision, realizing grading storage and avoiding invalid sampling.
Description
Technical Field
The utility model relates to the technical field of water quality sampling devices, in particular to an automatic water quality sampler and an installation cabinet thereof, which are used for automatically sampling water quality in a water area environment in a water quality environment monitoring process.
Background
In the process of water environment pollution protection and treatment, the pollution detection of a water body in a specific water delivery environment is necessary. The existing water quality sampling device does not clean sample liquid remained in a pipeline in the sampling process, and the residual sample liquid in the pipeline is mixed with secondary sampling water to influence the detection precision; meanwhile, the sampling process is extensive, residual air in a pipeline before sampling is counted together when flow statistics is carried out in the sampling process, the sampling volume precision is seriously influenced, so that the sampling is too little, or residual liquid is mixed together, so that a water body overflows after a sampling bottle is filled, and the pollution is caused; or the water quality in the sampling time is almost unchanged, so that the repeated sampling value is low, and the space of the sampling bottle is wasted.
Disclosure of Invention
The utility model aims to provide an automatic water quality sampler and an installation cabinet thereof, which realize the function of automatically sampling a water body, avoid the influence of residual sample liquid obtained by previous sampling on the detection result mixed in the current sampling, and reduce the detection error; meanwhile, the sampling volume precision is improved, and the pollution caused by overflow of the sampling bottle due to too little or too much sampling is avoided; realize hierarchical storage, whether decide according to actual need and remain the sample liquid, avoid the water of no sampling value to waste the sampling bottle space and form invalid sample.
The utility model is realized by the following technical scheme:
the utility model provides a water quality automatic sampler, which comprises a central control device, a filtering device, a peristaltic pump, a flowmeter, a valve island and a sampling bottle;
the filtering device is arranged at a liquid taking port of the sampler and is connected with the peristaltic pump through a water inlet pipe;
the peristaltic pump is connected with a water inlet positioned at the head end of the valve island through a connecting pipe, and a flowmeter is arranged on the connecting pipe;
a sample storage water outlet is formed in the middle section of the valve island, and the sample storage water outlet of the valve island is connected with the sampling bottle; the tail end of the valve island is provided with a liquid transfer port, the liquid transfer port at the tail end of the valve island is connected with a primary drain pipe connected with the outside, and a drain electromagnetic valve is installed on the primary drain pipe;
and the central control device is respectively and electrically connected with the peristaltic pump, the flowmeter, the valve island and the drainage electromagnetic valve.
In order to better realize the utility model, a sample storage tank is further arranged between the sample storage water outlet of the valve island and the sampling bottle; the sample storage water outlet of the valve island is connected with a sample storage inlet arranged at the top of the sample storage tank through a sample storage pipe; a sampling tube is arranged at the bottom of the sample storage tank; the sample end of the sampling tube is detachably connected with the sampling bottle, or the sample end of the sampling tube only extends into the sampling bottle without direct connection.
In order to better realize the utility model, the utility model further comprises a three-position three-way electromagnetic valve and a two-stage drain pipe; the three-position three-way electromagnetic valve is arranged at the bottom of the sample storage tank, a water inlet of the three-position three-way electromagnetic valve is communicated with the interior of the sample storage tank, a sewage sample reserving end of the three-position three-way electromagnetic valve is communicated with the sampling pipe, and a sewage discharge end of the three-position three-way electromagnetic valve is communicated with the secondary drainage pipe;
the central control device is electrically connected with the three-position three-way electromagnetic valve.
In order to better realize the utility model, a first one-way valve and a second one-way valve are further arranged at the top of the sample storage tank, an outlet of the first one-way valve is communicated with the interior of the sample storage tank, and an inlet of the second one-way valve is communicated with the sample storage tank.
In order to better realize the utility model, the top of the sample storage tank is further provided with an air inlet and an air outlet in an extending manner, the air inlet of the sample storage tank is connected with a first one-way valve in a screwing manner, and the air outlet of the sample storage tank is connected with a second one-way valve in a screwing manner.
In order to better realize the utility model, a plurality of sample storage water outlets are arranged at the middle section of the valve island, and the sample storage water outlets, the sample storage pipes, the sample storage tanks, the three-position three-way electromagnetic valves, the sampling pipes and the sampling bottles are consistent in number and are arranged in one-to-one correspondence.
In order to better implement the utility model, further, the outlet of the second one-way valve is also connected with a third-stage drain pipe communicated with the outside.
In order to better implement the utility model, further, the number of the flow meters is two or more, and the flow meters are sequentially connected in series along the connecting pipe;
the central control device is electrically connected with each flowmeter.
In order to better realize the utility model, the water discharge electromagnetic valve is a two-position three-way electromagnetic valve, a water inlet of the two-position three-way electromagnetic valve is communicated with a liquid transfer port at the tail end of the valve island, a first water outlet of the two-position three-way electromagnetic valve is communicated with a liquid return port at the tail end of the valve island, and a second water outlet of the two-position three-way electromagnetic valve is communicated with a primary water discharge pipe.
Secondly, the utility model also provides an installation cabinet, which comprises a cabinet body and a sliding platform arranged on the cabinet body, wherein any one of the automatic water quality samplers is arranged on the installation cabinet, and a peristaltic pump, a flow meter and a valve island of the sampler are arranged in the cabinet body; the liquid taking end of the water inlet pipe is used as a liquid taking port of the sampler and extends out of the cabinet body; the sampling bottle is placed on the sliding platform; the sliding platform extends outwards to the outside of the cabinet body and can be contained in the cabinet body in a sliding mode, and the sampling bottle is placed on the sliding platform; when the sliding platform is drawn out of the cabinet body, the sampling bottle can be taken out of or put into the cabinet body; will when sliding platform pushed the cabinet body, the sample bottle can be used for the sample liquid of storage sample.
In order to better realize the utility model, a touch screen is further arranged on the cabinet body, and the touch screen is electrically connected with the central control device.
Compared with the prior art, the utility model has the following advantages and beneficial effects:
(1) before formal sampling, the valve island and the drainage electromagnetic valve are controlled by the central control device to conduct fluid to a first-stage drainage pipe, and the peristaltic pump is used for replacing three-dimensional fluid remained in the connecting pipe and the water taking pipe, so that the influence on the result caused by mixing of the fluid sampled last time and the fluid sampled this time is avoided;
(2) the valve terminal is characterized in that a plurality of sample storage tanks are arranged between the valve terminal and the sampling pipe through the sample storage pipes and the sample storage tanks and correspond to the sampling bottles one by one, so that secondary storage of liquid fluid is realized, a conduction path of the three-position three-way electromagnetic valve is controlled, whether the sampling bottles are placed or not is determined according to actual needs, and the problem that water without sampling value wastes sampling bottle space is avoided; the times of replacing the sampling bottle are reduced;
(3) flow information is collected through a plurality of flowmeters, and the central control device performs error calibration after flow data are integrated, so that sampling precision is improved.
Drawings
The technical solutions will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
FIG. 1 is a schematic structural diagram of an automatic water quality sampler provided by the present invention;
FIG. 2 is a schematic view of the structure of the filter unit, the water inlet pipe and the peristaltic pump of the present invention;
FIG. 3 is a schematic view of a connection structure between a central control device and a device thereof according to the present invention;
fig. 4 is a schematic structural diagram of a mounting cabinet according to the present invention.
Wherein: 1. a central control device; 2. a filtration device; 3. a peristaltic pump; 4. a flow meter; 5. a valve island; 6. a sample storage tank; 7. sampling a bottle; 8. a cabinet body; 81. a sliding platform; 01. a water inlet pipe; 02. a connecting pipe; 03. a sample storage tube; 04. a sampling tube; 05. a first-stage drain pipe; 06. a secondary water drainage pipe; 07. a third-stage drain pipe; 001. a water discharge electromagnetic valve; 002. a three-position three-way electromagnetic valve; 003. a first check valve; 004. a second one-way valve.
Detailed Description
The utility model will be described in further detail with reference to the following detailed description of illustrative embodiments. This should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples. Various substitutions and alterations according to the general knowledge and conventional practice in the art are intended to be included within the scope of the present invention without departing from the technical spirit of the present invention as described above.
Example 1:
the utility model of the embodiment firstly provides a water quality automatic sampler, as shown in fig. 1-3, the sampler comprises a central control device 1, a filtering device 2, a peristaltic pump 3, a flow meter 4, a valve island 5 and a sampling bottle 7;
the filtering device 2 is arranged at a liquid taking port of the sampler, and the filtering device 2 is connected with the peristaltic pump 3 through a water inlet pipe 01;
the peristaltic pump 3 is connected with a water inlet at the head end of the valve island 5 through a connecting pipe 02, and a flowmeter 4 is installed on the connecting pipe 02;
a plurality of sample storage water outlets are formed in the middle section of the valve island 5, and the sample storage water outlet of each valve island 5 is correspondingly connected with one sampling bottle 7; the tail end of the valve island 5 is provided with a liquid transfer port, the liquid transfer port at the tail end of the valve island 5 is connected with a primary water drain pipe 05 communicated with the outside, and a water drain electromagnetic valve 001 is installed on the primary water drain pipe 05;
the central control device 1 is respectively and electrically connected with the peristaltic pump 3, the flowmeter 4, the valve island 5 and the water drainage electromagnetic valve 001.
In this embodiment, the central control device 1 controls the peristaltic pump 3 to start working, water flows through the filter device 2, the water inlet pipe 01 and the peristaltic pump 3 in sequence under the action of the peristaltic pump 3 and then is output to the water inlet at the head end of the valve island 5 through the connecting pipe 02, the central control device 1 controls the valve island 5 and the water discharge electromagnetic valve 001 to conduct fluid to the first-stage water discharge pipe 05 so as to discharge residual fluid or residual air in the last water taking process, and therefore pollution caused by mixing of sampled fluid into the sampled fluid at the last time or influence on the volume precision of the sampling at the last time is avoided; the flowmeter 4 on the connecting pipe 02 feeds back flow information to the central control device 1 in real time, after the flow in the connecting pipe 02 is stable and lasts for a set time, the central control device 1 controls the passage between the drainage electromagnetic valve 001 and the first-stage drainage pipe 05 to be closed, the drainage electromagnetic valve 001 is communicated with the return port at the tail end of the valve island 5, and meanwhile the valve island 5 is controlled to be communicated with the passage between the sample reserving port in the middle section of the valve island and the sampling pipe 04 to be communicated so as to introduce fluid into the sampling bottle 7.
Example 2:
in this embodiment, further optimization is performed on the basis of embodiment 1, as shown in fig. 1 and 3, a sample storage tank 6 is further disposed between the sample storage water outlet of the valve island 5 and the sampling bottle 7, and the sample storage water outlet of the valve island 5, the sample storage pipe 03, the sample storage tank 6 and the sampling bottle 7 are in one-to-one correspondence; the sample storage water outlet of the valve island 5 is connected with a sample storage inlet arranged at the top of the sample storage tank 6 through a sample storage pipe 03; the bottom of the sample storage tank 6 is provided with a sampling tube 04; the sample end of the sampling tube 04 is detachably connected with the sampling bottle 7, or the sample end of the sampling tube 04 only extends into the sampling bottle 7 without direct connection.
The sample storage water outlets of the valve islands 5 are connected with the sampling tubes 04 through the sample storage tubes 03 and the sample storage tanks 6 in a one-to-one correspondence mode, and the liquid fluid is stored in a grading mode and in batches.
In order to better implement the embodiment, further, the three-position three-way electromagnetic valve 002 and the two-stage water drainage pipe 06 are further included; the three-position three-way electromagnetic valve 002 is arranged at the bottom of the sample storage tank 6, a water inlet of the three-position three-way electromagnetic valve 002 is communicated with the interior of the sample storage tank 6, a sewage sample reserving end of the three-position three-way electromagnetic valve 002 is communicated with the sampling pipe 04, and a sewage discharging end of the three-position three-way electromagnetic valve 002 is communicated with the secondary water discharging pipe 06;
the central control device 1 is electrically connected with the three-position three-way electromagnetic valve 002.
When a specific number of sample storage tanks 6 are full, the central control device 1 controls the three-position three-way electromagnetic valve 002 to close the sewage sample reserving end and the sewage discharging end, and liquid fluid is trapped and stored in the sample storage tanks 6; or the central control device 1 controls the three-position three-way electromagnetic valve 002 to conduct one of the sewage sample reserving end or the sewage discharging end of the central control device so as to control the liquid fluid to enter the sampling bottle 7 through the sampling pipe 04 or directly discharge through the secondary drainage pipe 06.
In order to avoid the residual in the valve island 5 or the sample storage pipe 03 due to the action of atmospheric pressure, the central control device 1 can control the sewage discharge end of the three-position three-way electromagnetic valve 002 to be communicated with the second-stage drain pipe 06 before formal sampling, and the residual sample liquid is discharged to avoid the influence on the detection precision when the sample liquid is mixed into the sampling liquid.
In order to better realize the embodiment, further, the top of the sample storage tank 6 is further provided with a first one-way valve 003 and a second one-way valve 004, an outlet of the first one-way valve 003 is communicated with the inside of the sample storage tank 6, and an inlet of the second one-way valve 004 is communicated with the sample storage tank 6.
The outlet of the second one-way valve 004 is also connected with a third-stage drain pipe 07 communicated with the outside.
The installation of the 6 tops of storage appearance jar switches on first check valve 003 that the direction is inside, and when switching over the sewage that switches on self at the tribit three-way solenoid valve 002 route of storage appearance pipe 03 bottom and reserving appearance end or the first sewage discharge end and carry out the liquid fluid of discharging, let the air admission store up appearance jar 6 inside with balanced atmospheric pressure for the liquid fluid in the storage appearance jar 6 can smoothly discharge.
The second one-way valve 004 with the outward conduction direction is arranged at the top of the sample storage tank 6, when fluid is injected into the sample storage tank 6, air or full sample liquid in the sample storage tank 6 can be discharged outwards through the second one-way valve 004 and the three-stage drain pipe 07, and the air discharge during liquid fluid injection and the outward overflow effect after the sample storage tank 6 is filled with the liquid fluid are both met; meanwhile, because the water quality sampler in the embodiment has a plurality of sample storage tanks 6, in order to meet the pipeline arrangement requirement in a limited space, the three-level drain pipe 07 can be used as a main pipe, the second check valve 004 on each sample storage tank 6 is communicated with the three-level drain pipe 07 through a branch pipe, when a certain sample storage tank 6 is filled with liquid fluid and overflows outwards through the second check valve 004, under the characteristic that the second check valve 004 can only be communicated in one way, the pollution to the rest sample storage tanks 6 can be avoided.
In order to better implement the embodiment, further, the number of the flow meters 4 is two or more, and the flow meters 4 are connected in series along the connecting pipe 02;
the central control device 1 is electrically connected with each flowmeter 4.
The fluid flow in the connecting pipe 02 is measured by arranging two or more than two flow meters 4, and the central control device 1 collects a plurality of flow data of the flow meters 4 and performs error calibration after the flow data are integrated, so that the measurement precision is improved. Meanwhile, in order to further improve the precision, the flow meter 4 can be selected from a positive displacement flow meter 4 so as to reduce metering errors caused by cavitation bubbles, turbulence, liquid density and viscosity in the liquid fluid and pulse characteristics of the peristaltic pump 3.
In order to better realize the embodiment, further, the drainage solenoid valve 001 is a two-position three-way solenoid valve, a water inlet of the two-position three-way solenoid valve is communicated with the tail end of the valve island 5, a first water outlet of the two-position three-way solenoid valve is communicated with a water inlet at the tail end of the valve island 5, and a second water outlet of the two-position three-way solenoid valve is communicated with a primary drainage pipe 05.
The central control device 1 controls and switches a fluid passage of the two-position three-way electromagnetic valve, so that fluid enters the valve island 5 from a water inlet at the tail end of the valve island 5 again through a first water outlet of the two-position three-way electromagnetic valve; or the fluid is directly discharged through the primary water discharge pipe 05 through the second water outlet of the two-position three-way solenoid valve.
Other parts of this embodiment are the same as embodiment 1, and thus are not described again.
Example 3:
the embodiment is further optimized on the basis of embodiment 2, and further, the central control device 1 includes a communication device, the communication device is used for being connected with a management system for communication, the management system sends control information to the communication device, the communication device receives the control information and then transmits the control information to the control system of the central control device 1, and the control system of the central control device 1 sends corresponding action instructions to each device of the sampler according to the control information.
Example 4:
the embodiment provides an installation cabinet, as shown in fig. 4, which includes a cabinet body 8, a sliding platform 81 installed on the cabinet body 8, and an automatic water quality sampler according to embodiment 1 or 2, wherein a peristaltic pump 3, a flow meter 4, and a valve island 5 of the sampler are arranged inside the cabinet body 8; the liquid taking end of the water inlet pipe 01 serving as a liquid taking port of the sampler extends out of the cabinet body 8; the sliding platform 81 extends outwards to the outside of the cabinet 8 and can be slidably accommodated in the cabinet 8, and the sampling bottle 7 is placed on the sliding platform 81; when the sliding platform 81 is pulled out of the cabinet body 8, the sampling bottle 7 can be taken out of or put into the cabinet body 8; when the sliding platform 81 is pushed into the cabinet body 8, the sampling bottle 7 can be used for storing sampling liquid; the cabinet body 8 is further provided with a touch screen, and the touch screen is electrically connected with the central control device 1.
The installation cabinet in the embodiment can be movably or fixedly installed, and an energy supply device for supplying electric power to the water quality automatic sampler in the embodiment 1 or 2 can be installed in the installation cabinet; the sliding platform 81 may further be provided with a limiting structure for limiting the position of the sampling bottle 7 and preventing the sampling bottle 7 from toppling over.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122832413.4U CN216717904U (en) | 2021-11-18 | 2021-11-18 | Quality of water autosampler and installation cabinet thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122832413.4U CN216717904U (en) | 2021-11-18 | 2021-11-18 | Quality of water autosampler and installation cabinet thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216717904U true CN216717904U (en) | 2022-06-10 |
Family
ID=81879283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122832413.4U Expired - Fee Related CN216717904U (en) | 2021-11-18 | 2021-11-18 | Quality of water autosampler and installation cabinet thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216717904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973158A (en) * | 2023-09-12 | 2023-10-31 | 东营明汇新能源科技有限公司 | A drilling sampling device for geothermal exploration |
-
2021
- 2021-11-18 CN CN202122832413.4U patent/CN216717904U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116973158A (en) * | 2023-09-12 | 2023-10-31 | 东营明汇新能源科技有限公司 | A drilling sampling device for geothermal exploration |
| CN116973158B (en) * | 2023-09-12 | 2023-11-28 | 东营明汇新能源科技有限公司 | A drilling sampling device for geothermal exploration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201203601Y (en) | A high-precision water quality online automatic monitoring device | |
| US11401952B2 (en) | Waste liquid treatment apparatus, method and sample analyzer | |
| CN108072557A (en) | A kind of volum-controlled type automatic dilutor | |
| CN216717904U (en) | Quality of water autosampler and installation cabinet thereof | |
| CN215641193U (en) | Dynamic adding mark water quality on-line quality control instrument | |
| CN208026537U (en) | A kind of volum-controlled type automatic dilutor | |
| CN103245533B (en) | The water sample acquisition device of heavy metal online analyzer in a kind of water | |
| CN208125474U (en) | A kind of back purge system of water sample VOCs pre-treatment | |
| CN216525756U (en) | Liquid path system of water quality on-line monitoring quality control instrument | |
| CN209542186U (en) | A kind of automatic water quality sampler | |
| CN209640032U (en) | A kind of primary and secondary sampling tank | |
| CN221445745U (en) | Industrial chemistry washs dynamic simulation experiment device | |
| CN116297116B (en) | A flow cytometer fluidization system based on positive pressure sample loading and its control method | |
| CN202021171U (en) | Automatic cleaning system used for flowing type semi-automatic biochemical analyzer | |
| CN219348577U (en) | Flow cytometer liquid way system based on positive pressure goes up appearance | |
| CN203869907U (en) | Overflow type automatic control sampling device | |
| CN111879905A (en) | Remote quality control system suitable for water quality multi-parameter monitor and use method | |
| CN217442923U (en) | Full-automatic acquisition device for aquatic organism eDNA sample | |
| CN201637741U (en) | Flow path of biochemical analyzer | |
| CN212379388U (en) | Remote quality control system suitable for water quality multi-parameter monitor | |
| CN201293736Y (en) | Directly-dividing type sewerage aliquot sampling instrument | |
| CN214040772U (en) | High-efficiency automatic sampling device | |
| CN210489261U (en) | Sampling device for calibrating online boron meter of nuclear power plant and online boron meter calibration system | |
| CN222809277U (en) | Ultrafiltration circulation cleaning device | |
| CN219084488U (en) | Sampling frame, medicine adding frame and detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220610 |