A portable low flow rate well washing and sampling control device
Patent Information
- Application Number
- CN202522177462.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-15
- Publication Date
- 2026-09-15
- Estimated Expiration
- 2035-10-15
AI Technical Summary
[0005]本实用新型的目的在于提供一种便携式低流速洗井及采样控制装置,在于解决现有的部分低流速洗井及采样控制装置体积庞大、重量较重,通常需要多人搬运,对于野外复杂地形的监测现场,便携性极差的问题
[0014] This patent integrates all components into a single device box, which houses a display screen and a miniature variable frequency water pump fixed in a mounting slot. The pump inlet is connected to a three-way pipe with three solenoid valves. The three-way pipe connects to a pipe running through the box, a collection pipe, and a branch pipe with a threaded sampling bottle. This integrated well washing and sampling process avoids the large size and weight of the device, which could hinder work progress. It significantly improves operational efficiency and portability, thus greatly enhancing the progress of groundwater monitoring on-site.
Smart Images

Figure CN224758150U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of groundwater environment monitoring technology, and in particular to a portable low-flow-rate well washing and sampling control device. Background Technology
[0002] In groundwater environmental monitoring, well washing and sampling are key steps in obtaining accurate monitoring data. Low-flow-rate well washing technology has become the mainstream technology in the field of groundwater monitoring because it can minimize the disturbance to the original groundwater quality and ensure the representativeness and accuracy of the sampling.
[0003] The existing low-flow-rate well washing and sampling control devices still have the following problems:
[0004] Some low-flow-rate well washing and sampling control devices are bulky and heavy, usually requiring multiple people to carry them. For monitoring sites in complex terrain, their portability is extremely poor, which seriously affects work efficiency and transportation efficiency in complex terrain, making it difficult to carry out independent operations and hindering the progress of groundwater monitoring work. Utility Model Content
[0005] The purpose of this utility model is to provide a portable low-flow-rate well washing and sampling control device, which solves the problem that some existing low-flow-rate well washing and sampling control devices are bulky, heavy, and usually require multiple people to carry, making them extremely unportable for monitoring sites in complex terrain.
[0006] To achieve the above objectives, a portable low-flow-rate well washing and sampling control device is provided, comprising a device box. One end of the device box is equipped with a display screen, and the other end of the device box has an installation slot. A miniature variable frequency water pump is fixedly installed at one end of the installation slot. The miniature variable frequency water pump is equipped with a water inlet, and a three-way pipe is provided on the water inlet. Each three-way pipe is equipped with three solenoid valves. One end of the three-way pipe is equipped with a collection pipe, and one side of the collection pipe is equipped with two branch pipes. Sampling bottles are threaded onto each of the two branch pipes. The other two ends of the three-way pipe extend outward through the device box.
[0007] According to the portable low-flow-rate well washing and sampling control device, the upper end of the device box is hinged to a box cover, and a mounting block is fixedly installed on the front end of the box cover. A plug-in hole is provided on one side of the mounting block.
[0008] According to the portable low-flow-rate well washing and sampling control device, a fixing block is fixedly installed at the front end of the device box, and handles are fixedly installed on one side of the device box and one side of the box cover.
[0009] According to the portable low-flow-rate well washing and sampling control device, a fixing frame is fixedly installed on one side of the fixing block, and a fixing column is movably installed in the middle of the fixing frame.
[0010] According to the portable low-flow-rate well washing and sampling control device, a baffle is fixedly installed in the middle of the fixed column, and the fixed column is adapted to the insertion hole.
[0011] According to the portable low-flow-rate well washing and sampling control device, a spring is fixedly installed on one side of the fixed frame, and the other end of the spring is fixedly installed on one side of the baffle.
[0012] According to the portable low-flow-rate well washing and sampling control device, the spring is sleeved on the fixed column, and the other end of the fixed column is fixedly installed with a pull rod through the fixed frame.
[0013] The above-mentioned solution has the following beneficial effects:
[0014] This patent integrates all components into a single device box, which houses a display screen and a miniature variable frequency water pump fixed in a mounting slot. The pump inlet is connected to a three-way pipe with three solenoid valves. The three-way pipe connects to a pipe running through the box, a collection pipe, and a branch pipe with a threaded sampling bottle. This integrated well washing and sampling process avoids the large size and weight of the device, which could hinder work progress. It significantly improves operational efficiency and portability, thus greatly enhancing the progress of groundwater monitoring on-site.
[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0017] Figure 1 This is a schematic diagram of a portable low-flow-rate well washing and sampling control device according to the present invention.
[0018] Figure 2 This is an internal schematic diagram of a portable low-flow-rate well washing and sampling control device according to the present invention;
[0019] Figure 3 This utility model relates to a portable low-flow-rate well washing and sampling control device. Figure 1 The diagram is shown in Figure A.
[0020] Legend:
[0021] 1. Device box; 2. Box cover; 3. Mounting block; 4. Fixing block; 5. Display screen; 6. Handle; 7. Mounting slot; 8. Collection pipe; 9. Branch pipe; 10. Sampling bottle; 11. Insertion hole; 12. T-connector; 13. Solenoid valve; 14. Water inlet; 15. Miniature variable frequency water pump; 16. Fixing column; 17. Baffle; 18. Pull rod; 19. Spring; 20. Fixing frame. Detailed Implementation
[0022] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.
[0023] Reference Figure 1-3 This utility model discloses a portable low-flow-rate well washing and sampling control device, comprising a device box 1. A display screen 5 is installed at one end of the device box 1, and a mounting groove 7 is formed at the other end. A miniature variable frequency water pump 15 is fixedly installed at one end of the mounting groove 7. The miniature variable frequency water pump 15 has an inlet 14, and a three-way pipe 12 is installed on the inlet 14. Each three-way pipe 12 has three solenoid valves 13. A collection pipe 8 is installed at one end of the three-way pipe 12, and two branch pipes 9 are installed on one side of the collection pipe 8. Sampling bottles 10 are threaded onto each of the two branch pipes 9. The other two ends of the three-way pipe 12 extend outwards through the device box 1. In use, the device box 1 serves as an integrated carrier, housing all functional components and adapting to its suitable... The portable handle 6 enables lightweight movement of the entire device, solving the problem of traditional equipment being scattered and difficult to carry. The micro variable frequency water pump 15 provides stable power. Combined with the coordinated control of the three-way pipe 12 and three solenoid valves 13, the well washing and sampling channels can be quickly switched. During well washing, the well water is discharged through the collection pipe 8 through the corresponding channel. During sampling, the water is switched to the branch pipe 9 to introduce the sample bottle 10. There is no need to manually disassemble and replace the pipeline, which greatly improves the efficiency of operation. The display screen 5 can monitor and adjust the operating parameters in real time to ensure accurate well washing flow rate and sampling specifications. The mounting slot 7 fixes the micro variable frequency water pump 15 and integrates the layout of various components, reducing the space occupied by the equipment. The threaded connection design between the sampling bottle 10 and the branch pipe 9 facilitates sample collection and replacement, further improving the practicality and adaptability of the device.
[0024] The upper end of the device box 1 is hinged to a box cover 2. A mounting block 3 is fixedly installed at the front end of the box cover 2. A plug-in hole 11 is opened on one side of the mounting block 3. A fixing block 4 is fixedly installed at the front end of the device box 1. A handle 6 is fixedly installed on one side of the device box 1 and one side of the box cover 2. A fixing frame 20 is fixedly installed on one side of the fixing block 4. A fixing post 16 is movably installed in the middle of the fixing frame 20. A baffle 17 is fixedly installed in the middle of the fixing post 16. The fixing post 16 is adapted to the plug-in hole 11. A spring 19 is fixedly installed on one side of the fixing frame 20. The other end of the spring 19 is fixedly installed on one side of the baffle 17. The spring 19 is sleeved on the fixing post 16. The other end of the device 6 is fixedly installed with a pull rod 18 through the fixing frame 20. When in use, the device box 1 and the box cover 2 are connected by a hinge. Together with the fixing frame 20 on the fixing block 4, the fixing post 16 and the insertion hole 11 of the mounting block 3 form a locking structure. When closed, the spring 19 pushes the baffle 17 to make the fixing post 16 automatically insert into the insertion hole 11. It can achieve sealing and fixing without additional tools, effectively protecting the internal parts from dust and moisture corrosion. When opening, it can be unlocked by simply pulling the pull rod 18. The operation is simple and efficient, and it is suitable for the needs of rapid field operations. At the same time, the device box 1 and the box cover 2 are both provided with handles 6 on one side, which are convenient for single-person carrying and further enhance the portability of the device.
[0025] Working principle: When a portable low-flow-rate well washing and sampling control device is put into use, the pull rod 18 is first pulled to drive the fixed column 16 to compress the spring 19 and disengage it from the insertion hole 11 of the mounting block 3. The device can be operated by opening the box cover 2. After closing the box cover 2, the spring 19 pushes the baffle 17 to insert the fixed column 16 into the insertion hole 11, so as to achieve the sealing and fixation of the device box 1. During the well washing and sampling stages, the micro variable frequency water pump 15 draws well water through the water inlet 14 and the three-way pipe 12. The three solenoid valves 13 work together to control the switching of the passage. When washing the well, the corresponding passage is opened so that the well water is discharged through the collection pipe 8 to complete the well washing. When sampling, the passage is switched to introduce the well water into the two branch pipes 9 and finally into the threaded sampling bottle 10 to achieve sample collection. The whole process can be monitored and controlled in real time through the display screen 5. The handles on both sides 6 make it easy to carry and transfer the whole device.
[0026] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.
Claims
1. A portable low-flow-rate well washing and sampling control device, comprising a device box (1), characterized in that, A display screen (5) is provided at one end of the device box (1), and an installation groove (7) is provided at the other end of the device box (1). A micro variable frequency water pump (15) is fixedly installed at one end of the installation groove (7). An inlet (14) is provided on the micro variable frequency water pump (15). A three-way pipe (12) is provided on the inlet (14). Three solenoid valves (13) are provided on each of the three-way pipes (12). A collection pipe (8) is provided at one end of the three-way pipe (12). Two branch pipes (9) are provided on one side of the collection pipe (8). Sampling bottles (10) are threaded on both of the two branch pipes (9). The other two ends of the three-way pipe (12) extend outward through the device box (1).
2. The portable low-flow-rate well washing and sampling control device according to claim 1, characterized in that, The upper end of the device box (1) is hinged to a box cover (2), and a mounting block (3) is fixedly installed on the front end of the box cover (2). A plug-in hole (11) is provided on one side of the mounting block (3).
3. The portable low-flow-rate well washing and sampling control device according to claim 1, characterized in that, A fixing block (4) is fixedly installed at the front end of the device box (1), and a handle (6) is fixedly installed on one side of the device box (1) and one side of the box cover (2).
4. The portable low-flow-rate well washing and sampling control device according to claim 3, characterized in that, A fixing frame (20) is fixedly installed on one side of the fixing block (4), and a fixing column (16) is movably installed in the middle of the fixing frame (20).
5. A portable low-flow-rate well washing and sampling control device according to claim 4, characterized in that, A baffle (17) is fixedly installed in the middle of the fixing post (16), and the fixing post (16) is adapted to the insertion hole (11).
6. A portable low-flow-rate well washing and sampling control device according to claim 4, characterized in that, A spring (19) is fixedly installed on one side of the fixing frame (20), and the other end of the spring (19) is fixedly installed on one side of the baffle (17).
7. A portable low-flow-rate well washing and sampling control device according to claim 6, characterized in that, The spring (19) is sleeved on the fixed post (16), and the other end of the fixed post (16) is fixedly installed with a pull rod (18) through the fixed frame (20).