CN203101155U - Sample dilution machine for water quality analyzer - Google Patents
Sample dilution machine for water quality analyzer Download PDFInfo
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- CN203101155U CN203101155U CN 201220597541 CN201220597541U CN203101155U CN 203101155 U CN203101155 U CN 203101155U CN 201220597541 CN201220597541 CN 201220597541 CN 201220597541 U CN201220597541 U CN 201220597541U CN 203101155 U CN203101155 U CN 203101155U
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- flow cell
- signal
- dilution
- electromagnetic clamp
- control module
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Abstract
The utility model provides a sample dilution machine for a water quality analyzer. The sample dilution machine comprises a first flow tank, a second flow tank, a first electromagnetic pinch valve, a second electromagnetic pinch valve, a dilution tank and a wriggling metering pump, wherein the first flow tank is used for receiving a sample solution; the second flow tank is used for receiving dilution water; the first electromagnetic pinch valve is arranged on an output pipeline of the first flow tank and is controlled by a first signal to be used for controlling opening and closing of the output pipeline of the first flow tank; the second electromagnetic pinch valve is arranged on an output pipeline of the second flow tank and is controlled by a second signal to be used for controlling opening and closing of the output pipeline of the second flow tank; an input pipeline of the dilution tank is connected to the output pipelines of the first flow tank and the second flow tank; an output pipeline of the dilution tank is connected to the water quality analyzer; the wriggling metering pump is arranged on the input pipeline of the dilution tank and works under the control of a third signal; and a control unit is used for executing a dilution program to output the first signal, the second signal and the third signal.
Description
Technical field
The utility model relates to a kind of diluted sample device, especially relates to the diluted sample device that is used for Water Test Kits.
Background technology
What the diluted sample device that use in present online water analysis field adopted is the technology that suspended body flowmeter manual adjustments dilution ratio and constant volume overflow cup carry out volume dilution.Fig. 1 illustrates the structure of existing proportional diluter.With reference to shown in Figure 1, diluter comprises 13,14, two solenoid valves 15,16 of 11,12, two capacity cups of two suspended body flowmeters, and mixed diluting pond 17.Its course of work of diluter of flow volume dilution proportion form is: sample water and dilution water are respectively by suspended body flowmeter 11,12 manual adjustments flows, entering capacity cup 13,14 then respectively, to carry out volume ratio quantitative, enters the mixed diluting that water samples are realized in mixed diluting pond 17 at last.
Yet because above-mentioned diluted sample device is realized the water sample concentration dilution by the armstrong's patent device, therefore, the precision that its volume ratio is regulated is lower and setting range dilution ratio is very narrow, can't accomplish the high precision dilution.And above-mentioned diluted sample device also can't be realized automatic operation and the visual operation and the monitoring of sample collecting, cleaning, dilution, mixing, discharging and the whole flow process of conveying.In addition, the synchronous matching performance that detects of above-mentioned diluted sample device and water analysis instrument is also relatively poor.
The utility model content
Technical problem to be solved in the utility model provides a kind of diluted sample device that is used for Water Test Kits, and it has higher dilution precision and bigger dilution ratio.
The utility model is that to solve the problems of the technologies described above the technical scheme that adopts be to propose a kind of diluted sample device that is used for Water Test Kits to comprise first flow cell, second flow cell, the first electromagnetic clamp pipe valve, the second electromagnetic clamp pipe valve, diluting tank, wriggling volume pump and control module.First flow cell is in order to receive sample solution.Second flow cell is in order to receive dilution water.The first electromagnetic clamp pipe valve is located on the output pipe of this first flow cell, and this first electromagnetic clamp pipe valve is controlled by one first signal and controls the opening and closing of the output pipe of this first flow cell.The second electromagnetic clamp pipe valve is located on the output pipe of this second flow cell, and this second electromagnetic clamp pipe valve is controlled by a secondary signal and controls the opening and closing of the output pipe of this second flow cell.The intake line of diluting tank is connected to the output pipe of this first flow cell and the output pipe of this second flow cell, and the output pipe of diluting tank is connected to Water Test Kits.The wriggling volume pump is located on the intake line of this diluting tank, and this wriggling volume pump is controlled by one the 3rd signal and operates.This control module is in order to carry out a dilution program to export this first signal, this secondary signal and the 3rd signal.
In an embodiment of the present utility model, this control module is a Programmable Logic Controller.
In an embodiment of the present utility model, this first flow cell and this second flow cell have floss hole.
In an embodiment of the present utility model, this control module connects this Water Test Kits to receive an analytical cycle signal, and this analytical cycle signal is in order to start the dilution program of this control module.
In an embodiment of the present utility model, this first electromagnetic clamp pipe valve, this second electromagnetic clamp pipe valve, this wriggling volume pump and this control module are integrated in the control box.
In an embodiment of the present utility model, also be provided with touch operation screen on this control box, connect this control module, set in order to input operation.
The utility model is owing to adopt above technical scheme, make it compared with prior art, the water sample that water quality parameter concentration can be exceeded the analyser measurement range accurately is diluted in the analyser measurement range, and can be by the adjusting dilution ratio of different application demand intelligence, thereby enlarge the effective range of Water Test Kits, improve application performance.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, wherein:
Fig. 1 illustrates the structure of existing proportional diluter.
Fig. 2 illustrates the structure of the proportional diluter of the utility model one embodiment.
Fig. 3 illustrates the surface structure of the proportional diluter of the utility model one embodiment.
Fig. 4 illustrates the operational flowchart of the proportional diluter of the utility model one embodiment.
Embodiment
Summarily say, embodiment of the present utility model proposes the diluted sample device of the matching used automatic operation of a kind of and online Water Test Kits, the water sample that water quality parameter concentration can be exceeded the analyser measurement range accurately is diluted in the analyser measurement range, and can be by the adjusting dilution ratio of different application demand intelligence, thereby enlarge the effective range of Water Test Kits, improve application performance.
Fig. 2 illustrates the structure of the proportional diluter of the utility model one embodiment.With reference to shown in Figure 2, this diluted sample device comprises can comprise first flow cell 21, second flow cell 22, the first electromagnetic clamp pipe valve 23, the second electromagnetic clamp pipe valve 24, wriggling volume pump 25, diluting tank 26 and control module 27.First flow cell 21 is in order to receive sample solution.Second flow cell is in order to receive dilution water.The first electromagnetic clamp pipe valve 23 is located on the output pipe of first flow cell 21.This first electromagnetic clamp pipe valve is controlled by the first signal S 1 and controls the opening and closing of the output pipe of first flow cell 21.The second electromagnetic clamp pipe valve 24 is located on the output pipe of second flow cell 22.This second electromagnetic clamp pipe valve is controlled by secondary signal S2 and controls the opening and closing of the output pipe of second flow cell 22.The intake line of diluting tank 26 is connected to the output pipe of first flow cell 21 and the output pipe of second flow cell 22, and its output pipe is connected to Water Test Kits 100.Wriggling volume pump 25 is located on the intake line of diluting tank 26, and this wriggling volume pump 25 is controlled by the 3rd signal S3 and operates.Control module 27 is in order to export the above-mentioned first signal S1, secondary signal S2 and the 3rd signal S3.
Further, diluter of the present utility model can more closely cooperate with Water Test Kits.In one embodiment, control module 27 connects this Water Test Kits 100 to receive an analytical cycle signal.Dilution water and sample solution feed corresponding flow cell 21 or 22 respectively, receive when control module 27 behind the analytical cycle signal (or fixed time period signal) of Water Test Kits promptly and in two electromagnetic clamp pipe valves of the dilution program start that weaves 23,24 and wriggling volume pump 25 sequential workings sample solution and dilution water to be transported to diluting tank 26 in the ratio of determining from flow cell 21,22 and to carry out mixed diluting, the sample after the dilution offers Water Test Kits 100 and carries out analytical test.Electromagnetic clamp pipe valve 23,24 is carried out the switching and the direction selection of liquid carrying paths such as sample solution, dilution water, discharge water in whole dilution, and wriggling volume pump 25 is realized carrying water sample and dilution water accurately by the dilution ratio of setting.Thus, diluter can be realized the synchronous consistent of analyser work and sample collecting, dilution with all the water analysis instrument with definite Measurement and analysis cycle.
In an embodiment of the present utility model, the first electromagnetic clamp pipe valve 21, the second electromagnetic clamp pipe valve 22, wriggling volume pump 25 and this control module 27 all can be integrated in the control box 31, and its layout as shown in Figure 3.The window 34-36 that control box 31 has power switch 32, touch operation screen 33 and shows flow cell 21,22, diluting tank 26 states.Attractive in appearance, the simple installation of whole diluter compact conformation.
At this, touch operation screen 33 can be realized man-machine message exchange and parameter setting function, is electrically connected with control module 27.Touch operation screen 33 can be realized the visualized management of the modification correction of immediately monitoring, system unit test operation, dilution ratio of water sample dilution flow process and sample collecting dilution and select and mate the time set etc. in cycle with the sampling dilution mode that analyser is complementary.
Fig. 4 illustrates the operational flowchart of the proportional diluter of the utility model one embodiment.With reference to shown in Figure 4, can carry out the diluted sample mode by touch operation screen 33 and select 401 and system testing 411.If select the diluted sample mode to select 401, then can set the analyser control mode in step 402, perhaps the timing controlled mode is set in step 403.Provide selection to confirm and reselection functionality respectively in step 404 and step 405.In step 406, dilution operation beginning.If selective system test 411 then can be carried out the pinch valve test in step 412,, after finishing, test returns then in step 414 in the step 413 volume pump test of wriggling.
Diluter of the present utility model has reached the ideal effect that enlarges measurement range with the synchronous fully coupling of the CODmax of U.S. HACH company, Amtax Compact series water analysis instrument through actual samples dilution operation.Compare with existing products and to have dilution precision height, flexible, easy to operate, the characteristic of strong applicability of ratio configuration.
Though the utility model is described with reference to current specific embodiment, but those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, under the situation that does not break away from the utility model spirit, also can make the variation or the replacement of various equivalences, therefore, as long as in connotation scope of the present utility model in the scope to the variation of the foregoing description, claims that modification all will drop on the application.
Claims (6)
1. diluted sample device that is used for Water Test Kits is characterized in that comprising:
First flow cell is in order to receive sample solution;
Second flow cell is in order to receive dilution water;
The first electromagnetic clamp pipe valve is located on the output pipe of this first flow cell, and this first electromagnetic clamp pipe valve is controlled by one first signal and controls the opening and closing of the output pipe of this first flow cell;
The second electromagnetic clamp pipe valve is located on the output pipe of this second flow cell, and this second electromagnetic clamp pipe valve is controlled by a secondary signal and controls the opening and closing of the output pipe of this second flow cell;
Diluting tank, its intake line are connected to the output pipe of this first flow cell and the output pipe of this second flow cell, and its output pipe is connected to Water Test Kits;
The wriggling volume pump is located on the intake line of this diluting tank, and this wriggling volume pump is controlled by one the 3rd signal and operates; And
Control module is in order to export this first signal, this secondary signal and the 3rd signal.
2. diluted sample device as claimed in claim 1 is characterized in that, this control module is a Programmable Logic Controller.
3. diluted sample device as claimed in claim 1 is characterized in that, this first flow cell and this second flow cell have floss hole.
4. diluted sample device as claimed in claim 1 is characterized in that, this control module connects this Water Test Kits to receive an analytical cycle signal.
5. diluted sample device as claimed in claim 1 is characterized in that, this first electromagnetic clamp pipe valve, this second electromagnetic clamp pipe valve, this wriggling volume pump and this control module are integrated in the control box.
6. diluted sample device as claimed in claim 5 is characterized in that, also is provided with touch operation screen on this control box, connects this control module, sets in order to input operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597541 CN203101155U (en) | 2012-11-13 | 2012-11-13 | Sample dilution machine for water quality analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220597541 CN203101155U (en) | 2012-11-13 | 2012-11-13 | Sample dilution machine for water quality analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203101155U true CN203101155U (en) | 2013-07-31 |
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ID=48852546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220597541 Expired - Fee Related CN203101155U (en) | 2012-11-13 | 2012-11-13 | Sample dilution machine for water quality analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203101155U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449882A (en) * | 2017-07-24 | 2017-12-08 | 东华工程科技股份有限公司 | A kind of high-concentration sewage COD on-line monitoring systems |
| CN108854837A (en) * | 2018-07-18 | 2018-11-23 | 北京宝德仪器有限公司 | On-line dilution device |
-
2012
- 2012-11-13 CN CN 201220597541 patent/CN203101155U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107449882A (en) * | 2017-07-24 | 2017-12-08 | 东华工程科技股份有限公司 | A kind of high-concentration sewage COD on-line monitoring systems |
| CN108854837A (en) * | 2018-07-18 | 2018-11-23 | 北京宝德仪器有限公司 | On-line dilution device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20130731 Termination date: 20211113 |