CN220772903U - Multi-parameter water quality detection equipment flow cell - Google Patents
Multi-parameter water quality detection equipment flow cell Download PDFInfo
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- CN220772903U CN220772903U CN202322218584.7U CN202322218584U CN220772903U CN 220772903 U CN220772903 U CN 220772903U CN 202322218584 U CN202322218584 U CN 202322218584U CN 220772903 U CN220772903 U CN 220772903U
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- 238000001514 detection method Methods 0.000 title claims abstract description 64
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000012530 fluid Substances 0.000 claims abstract description 40
- 239000011358 absorbing material Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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Abstract
The application discloses quality of water multiparameter detection equipment flow cell includes: the buffer flow path is connected with a fluid source to be detected and is used for mechanically slowing down the flow velocity of the fluid to be detected through a shape structure and then guiding the fluid into the detection area to carry out corresponding parameter detection; and the shunt flow path is connected with the buffer flow path and is used for shunting part of fluid to be measured to the shunt area for corresponding parameter detection. The slow flow is realized by adopting the design of the mechanical structure flow path, the slow flow can be realized through a pure shape structure without adding an additional circuit and a flow control unit, the cost is reduced, and the structure is simplified; the mechanical structure design is adopted, the integration level is high, too much space is not required to be occupied, and accessories are not required to be additionally installed; this application adopts the design of reposition of redundant personnel draw-in groove, and integrated in the flow cell, and occupation space is little not only, can also perfect realization reposition of redundant personnel, and regulation reposition of redundant personnel proportion that can also be intelligent convenient.
Description
Technical Field
The application relates to the technical field of water quality detection equipment, in particular to a flow cell of water quality multi-parameter detection equipment.
Background
The current water quality multi-parameter detection equipment integrates a plurality of detection electrodes into a detection pool to carry out water quality multi-parameter detection, however, the influences of fluid water pressure/flow speed/flow and the like on the detection electrodes of each parameter are different, so that the problem of how to distribute the fluid flow between the electrodes is necessarily generated, and the problem of slow fluid flow is solved. In order to realize fluid diversion and slow flow, the flow sensor and the flow regulating valve are mainly used for regulating the flow together at present to achieve the purpose of slow flow, namely, the flow sensor is used for detecting the flow, the flow regulating valve is used for regulating the flow, and the water pressure regulating module/constant flow pump is also used for controlling the flow speed to achieve the purpose of slow flow; the scheme mostly needs electric drive, needs to design related circuits for cooperation use, has high cost, adopts a water pressure adjusting module, has large volume, and does not meet the miniaturization requirement of the instrument. The existing shunting mode needs to place the detection electrode in different measurement cavities, occupies large space and cannot adjust the shunting proportion in real time.
With the continuous improvement of productivity, the improvement of test stability is a necessary research topic, however, how to realize fluid diversion and slow flow in a small flow cell is a current difficulty in the process of miniaturization and integration of the instrument at the present stage.
Disclosure of Invention
The application provides a quality of water multiparameter detection equipment flow cell, aims at solving the technical problem that measures for realizing fluid diversion and slow flow in the existing small-sized flow cell are high in cost, large in size and incapable of adjusting diversion proportion in real time.
The technical scheme adopted by the utility model is as follows:
a water quality multi-parameter detection device flow cell comprising a detection zone, comprising:
the buffer flow path is connected with the fluid to be detected and is used for mechanically slowing down the flow velocity of the fluid to be detected through the shape structure and then guiding the fluid to be detected into the detection area for corresponding detection;
and the shunt flow path is connected with the buffer flow path and is used for shunting part of fluid to be detected to the shunt area for corresponding detection.
Further, the output ports of the detection area and the diversion area are communicated with the drain hole to collect and drain the tested fluid.
Further, the buffer flow path comprises a plurality of buffer sub-flow paths which are sequentially connected in series.
Further, the buffer sub-flow paths which are sequentially connected in series comprise a water inlet elbow, an L-shaped flow path, a diversion clamping groove and a buffer circulation groove which are sequentially connected in series.
Further, a through hole is formed in the bottom of the diversion clamping groove, and the diversion proportion of the fluid to be measured is controlled by setting the flow area of the through hole.
Further, the split-flow clamping groove comprises at least one groove body, and the through holes are respectively arranged on the side walls of the groove body which are oppositely arranged in a staggered manner to form an S-shaped flow channel.
Further, the detection area in which the buffer flow path mechanically slows down the flow velocity of the fluid to be detected is a turbidity detection area, and a turbidity detection device is arranged in the turbidity detection area.
Further, the turbidity detection device includes: the device comprises a light source for emitting a light signal, a light detector for receiving the light signal emitted by the light source and scattered by particles in a sample, and a shielding piece for shielding the light emitted by the light source from directly entering the light detector.
Further, the inner wall of the turbidity detection area is coated with a light absorbing material layer.
Further, the turbidity detection area is obliquely provided with a light reflecting plate on the inner wall at one side opposite to the light source, and the light reflecting plate is used for reflecting light emitted by the light source, so that the light emitted by the light source is prevented from directly entering the light detector after being reflected by the inner wall.
Compared with the prior art, the application has the following beneficial effects:
the mechanical flow path is designed to realize slow flow, the slow flow can be realized through a pure shape structure without adding an additional circuit and a flow control unit, the cost is reduced, and the structure is simplified; the mechanical structure design is adopted, the integration level is high, too much space is not required to be occupied, and accessories are not required to be additionally installed; this application adopts the design of reposition of redundant personnel draw-in groove, and integrated in the flow cell, and occupation space is little not only, can also perfect realization reposition of redundant personnel, and regulation reposition of redundant personnel proportion that can also be intelligent convenient.
In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The utility model will be described in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic top view of a flow cell of a water quality multi-parameter testing apparatus according to a preferred embodiment of the present application.
Fig. 2 is a schematic perspective view of a flow cell of a water quality multi-parameter testing apparatus according to a preferred embodiment of the present application.
Fig. 3 is a schematic view illustrating the operation of the light reflecting plate in the preferred embodiment of the present application.
In the figure: 1. a water inlet elbow; 2. a drain hole; 3. a split area; 4. an L-shaped flow path; 5. a shunt clamping groove; 6. a buffer flow channel; 7. a light reflection plate; 8. a turbidity detection zone; 9. a photodetector; 10. a light source; 11. a turbidity detection device; 12. a shield.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1 to 2, a preferred embodiment of the present utility model provides a water quality multi-parameter detection apparatus flow cell including a detection region including:
the buffer flow path is connected with a fluid source to be tested and used for mechanically slowing down the flow velocity of the fluid to be tested through a shape structure and then guiding the fluid into the detection area to carry out corresponding detection, and comprises a plurality of water inlet elbows 1 (first-stage buffer), an L-shaped flow path 4 (second-stage buffer), a diversion clamping groove 5 (third-stage buffer) and a buffer circulation groove 6 (fourth-stage buffer) which are sequentially connected in series;
and the diversion flow path is connected with the buffer flow path and is used for diverting part of the fluid to be detected to the diversion area 3 for corresponding detection, such as residual chlorine measurement and the like.
The flow cell of the embodiment is provided with four stages of buffering, firstly, the first stage slow flow device is a water inlet elbow 1, the water inlet of the flow cell is provided with the water inlet elbow 1, a fluid source to be tested enters from the water inlet elbow 1, and the water inlet elbow 1 plays a first buffering role; the second-stage buffer is an L-shaped flow path 4, and after flowing into the flow cell, the fluid is buffered through a long L-shaped flow path and does not directly reach the detection area, thereby playing a role of the second-stage buffer. The third level buffering utilizes reposition of redundant personnel draw-in groove 5, and the water is come in the back, flows into the circulation buffer tank earlier, and not directly reach the detection area, waits that reposition of redundant personnel draw-in groove 5 bottom retaining to the certain position after, and the fluid just can reach the detection area, and the fluid is buffered by the third time this moment. Finally, the fluid flowing out of the diversion clamping groove 5 flows into the buffering circulation groove 6, is buffered for the fourth time and flows into the detection area; the rest of the fluid flows into the diversion area 3 from the diversion flow path for corresponding detection, such as residual chlorine measurement and the like.
The flow cell of the embodiment adopts the design of a mechanical structure flow path to realize slow flow, and can realize the function of multistage slow flow through a pure shape structure without adding an additional circuit and a flow control unit, thereby ensuring the buffer effect, reducing the cost and simplifying the structure; the embodiment adopts a mechanical structure design, has high integration level, does not occupy too much space, and does not need to additionally install accessories; the design of reposition of redundant personnel draw-in groove 5 is adopted in this embodiment, and integrated in the flow cell, and occupation space is little not only, can also perfect realization reposition of redundant personnel, and regulation reposition of redundant personnel proportion that can also be intelligent convenient.
Specifically, the output ports of the detection area and the diversion area 3 are both communicated with the drain hole 2 to collect and drain the tested fluid, and the drain hole 2 is shared, so that the structure is simplified, and the cost is reduced.
Preferably, a through hole is arranged at the bottom of the diversion clamping groove 5, and the diversion proportion of the fluid to be measured is controlled by arranging the flow area of the through hole. According to the embodiment, the through holes are formed in the bottom of the diversion clamping groove 5, the shape of the through holes is not limited, the diversion proportion of the fluid to be tested flowing into the buffer flow path and the diversion flow path can be controlled by arranging the flow area of the through holes, the water quantity requirements of different tests are met, and the diversion clamping groove is simple in structure and low in cost.
Preferably, the split-flow clamping groove 5 comprises at least one groove body, the through holes are respectively and alternately formed in the side walls of the groove body, which are oppositely arranged, so that an S-shaped flow channel is formed, the buffer effect is further achieved on the fluid, and the arrangement of the size of the flow area of the through holes is combined, so that the split-flow clamping groove 5 has the split-flow control effect and the flow speed buffer effect.
Preferably, the detection area where the buffer flow path mechanically slows down the flow rate of the fluid to be tested is a turbidity detection area 8, and a turbidity detection device 11 is disposed in the turbidity detection area 8, so as to implement a turbidity test on the fluid to be tested.
Preferably, the turbidity detecting device 11 includes: the light source 10 for emitting light signals, the light detector 9 for receiving the light signals emitted by the light source 10 and scattered by particles in a sample, and the shielding piece 12 for shielding the light emitted by the light source 10 from directly entering the light detector 9 are arranged in a step shape, the light source 10 and the light detector 9 are respectively arranged at different corners of the step-shaped shielding piece 12, and the light emitted by the light source 10 can be shielded from directly entering the light detector 9, so that the accuracy of a detection result is prevented from being influenced.
Preferably, the inner wall of the turbidity detection area 8 is coated with a light absorbing material layer, and the light absorbing material layer forms an optical darkroom in the turbidity detection area 8, so that stray light can be absorbed, and the stray light is prevented from entering the photodetector 9 to influence the accuracy of the turbidity detection result.
Preferably, the turbidity detecting area 8 is provided with a light reflecting plate 7 obliquely on an inner wall opposite to the light source 10, so as to reflect the light emitted by the light source 10, and avoid the light emitted by the light source 10 from directly entering the light detector 9 after being reflected by the inner wall. The light reflecting plate 7 can reflect the light emitted by the light source 10 (see fig. 3), so as to prevent the light of the light source 10 from entering the light detector 9 and affecting the accuracy of the detection result. The light reflecting plate 7 is arranged at the water inlet of the turbidity detection area 8, so that the light reflecting plate can also play a role in buffering water entering the turbidity detection area 8 to a certain extent, and can serve as a fifth-stage buffer to further realize a flow buffering effect.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A water quality multiparameter detection equipment flow cell is characterized in that: comprising the following steps:
the buffer flow path is connected with a fluid source to be detected and is used for mechanically slowing down the flow velocity of the fluid to be detected through a shape structure and then guiding the fluid into the detection area for corresponding detection;
and the shunt flow path is connected with the buffer flow path and is used for shunting part of fluid to be detected to the shunt area (3) for corresponding detection.
2. The water quality multi-parameter sensing apparatus flow cell of claim 1, wherein:
the output ports of the detection area and the diversion area (3) are communicated with the drain hole (2) to collect and drain the tested fluid.
3. The water quality multi-parameter sensing apparatus flow cell of claim 1, wherein:
the buffer flow path comprises a plurality of buffer sub-flow paths which are sequentially connected in series.
4. A water quality multi-parameter sensing apparatus flow cell according to claim 3, wherein:
the buffer sub-flow paths which are sequentially connected in series comprise a water inlet elbow (1), an L-shaped flow path (4), a diversion clamping groove (5) and a buffer circulation groove (6) which are sequentially connected in series.
5. The water quality multi-parameter sensing apparatus flow cell of claim 4, wherein:
the bottom of the diversion clamping groove (5) is provided with a through hole, and the diversion proportion of the fluid to be measured is controlled by setting the flow area of the through hole.
6. The water quality multi-parameter sensing apparatus flow cell of claim 5, wherein:
the split clamping groove (5) comprises at least one groove body, and the through holes are respectively arranged on the side walls of the groove body which are oppositely arranged in a staggered manner to form an S-shaped flow channel.
7. The water quality multi-parameter sensing apparatus flow cell of claim 1, wherein:
the detection area which is introduced after the buffer flow path mechanically slows down the flow velocity of the fluid to be detected is a turbidity detection area (8), and a turbidity detection device (11) is arranged in the turbidity detection area (8).
8. The water quality multi-parameter sensing apparatus flow cell of claim 7, wherein:
the turbidity detection device (11) comprises: a light source (10) for emitting a light signal, a light detector (9) for receiving the light signal emitted by the light source (10) as scattered by particles in the sample, and a shielding member (12) for shielding light emitted by the light source (10) from directly entering the light detector (9).
9. The water quality multi-parameter sensing apparatus flow cell of claim 7, wherein:
the inner wall of the turbidity detection area (8) is coated with a light absorbing material layer.
10. The water quality multi-parameter sensing apparatus flow cell of claim 7, wherein:
the turbidity detection area (8) is obliquely provided with a light reflecting plate (7) on the inner wall at the side opposite to the light source (10) and is used for reflecting light emitted by the light source (10) so as to prevent the light emitted by the light source (10) from directly entering the light detector (9) after being reflected by the inner wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322218584.7U CN220772903U (en) | 2023-08-17 | 2023-08-17 | Multi-parameter water quality detection equipment flow cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322218584.7U CN220772903U (en) | 2023-08-17 | 2023-08-17 | Multi-parameter water quality detection equipment flow cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220772903U true CN220772903U (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322218584.7U Active CN220772903U (en) | 2023-08-17 | 2023-08-17 | Multi-parameter water quality detection equipment flow cell |
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| CN (1) | CN220772903U (en) |
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2023
- 2023-08-17 CN CN202322218584.7U patent/CN220772903U/en active Active
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