CN201780286U - Light-operated metering device - Google Patents
Light-operated metering device Download PDFInfo
- Publication number
- CN201780286U CN201780286U CN2010202683240U CN201020268324U CN201780286U CN 201780286 U CN201780286 U CN 201780286U CN 2010202683240 U CN2010202683240 U CN 2010202683240U CN 201020268324 U CN201020268324 U CN 201020268324U CN 201780286 U CN201780286 U CN 201780286U
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- light
- pipet
- measuring
- measuring pipet
- photoelectric detection
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Abstract
The utility model discloses a light-operated metering device, which comprises a liquid metering pipe, a liquid taking pump and a liquid taking device. The liquid taking pump is in pipe connection at the upper end of the liquid metering pipe, the liquid taking device is in pipe connection at the lower end of the liquid metering pipe, at least two sets of photoelectric detectors are arranged on the outer side of the liquid metering pipe at different heights, and the photoelectric detectors, the liquid taking pump, the liquid taking device are electrically connected with a control device. The light-operated metering device has the advantages of flexible reaction, accurate taking quantity, convenience in cleaning and simple maintenance.
Description
Technical field
The utility model relates to a kind of liquid metering device, especially relates to the light-operated measuring apparatus that a kind of monitoring water quality on line system uses.
Background technology
For at present domestic monitoring water quality on line system, be to adopt chemical analysis to measure water quality parameter mostly, this needs plurality of reagents and titer usually, and every kind of needed amount of reagent may be also different, this just relates to the problem of metering, existing metering method will be used a plurality of peristaltic pumps and transfer valve mostly, revolution by peristaltic pump comes the meters reagents amount, this method metering is very inaccurate, and wearing out along with the peristaltic pump flexible pipe, error in dipping can be increasing, and is very big to water quality detection result influence.
Summary of the invention
At problem set forth above, the utility model purpose is to provide a kind of light-operated measuring apparatus that can detect the amount of reagent in the gauge line by light controlling device, and it is quick on the draw, the amount of getting is accurate, and cleaning is convenient, maintenance is simple.
The utility model is realized by following technical measures, a kind of light-operated measuring apparatus, comprise that measuring pipet, pipe are connected on the liquid taking device that liquid pump, pipe are connected on the measuring pipet lower end of getting of measuring pipet upper end, the outside of described measuring pipet differing heights be provided with at least two the cover photoelectric detection systems, described photoelectric detection system, get liquid pump, liquid taking device is electrically connected with control device.
Wherein, every cover photoelectric detection system all includes light source probe and detection probe, and the light source probe of same set of photoelectric detection system and detection probe are bottom, top or the medium position that same horizontal level is installed in the measuring pipet both sides.
Measuring pipet is preferably the transparent tube that indicates scale, is provided with support in this measuring pipet outside, and this support is rectangular box-like structure, and this measuring pipet is fixedly connected on the middle part of support, and photoelectric detection system is fixedly connected on the support.
Preferred PLC of control device or single-chip microcomputer.
Get the preferred peristaltic pump of liquid pump, this peristaltic pump is connected with measuring pipet by flexible pipe, and this peristaltic pump is electrically connected with control device.
The preferred automatically controlled multiport valve of liquid taking device, the trunk stream of this multiport valve is connected with measuring pipet, and this multiport valve is electrically connected with control device.
As a kind of optimal way, photoelectric detection system has two covers, is separately positioned on the bottom and the top of measuring pipet.
As a kind of optimal way, photoelectric detection system has three covers, and wherein two covers are separately positioned on measuring pipet bottom and top, and other one is set on the medium position of measuring pipet.
The utility model is provided with support outside measuring pipet, and is provided with the photoelectric detection system by single-chip microcomputer or PLC control on support, and this photoelectric detection system cooperates peristaltic pump can accurately control the dosage of getting liquid, and the result who makes online water quality detection accurately and reliably.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of the utility model embodiment two.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the utility model is described in further detail.
Embodiment one
As shown in Figure 1, a kind of light-operated measuring apparatus, comprise the transparent measuring pipet 2 that indicates scale, be connected on the peristaltic pump 1 of measuring pipet 2 upper ends by the flexible pipe pipe, be connected on the six-way valve 7 of measuring pipet 2 lower ends by the flexible pipe pipe, measuring pipet 2 outsides are provided with support 3, this support 3 is rectangular box-like structure, this measuring pipet 2 is fixedly connected on the middle part of support 3, the bottom of measuring pipet 2 outsides and top are respectively arranged with two cover photoelectric detection systems, every cover photoelectric detection system all includes light source probe 5 and detection probe 6, the light source probe 5 of same set of photoelectric detection system and detection probe 6 are on the support 3 of both sides that same horizontal level is installed in measuring pipet 2, peristaltic pump 1, six-way valve 7, light source probe 5 and detection probe 6 all are electrically connected with PLC4.
In the present embodiment, PLC4 control peristaltic pump 1 and six-way valve 7 begin to get liquid, in getting the liquid process, when liquid level when the horizontal level of the light source probe 5 of same set of photoelectric detection system and detection probe 6 is installed, the light that the light source probe 5 that detection probe 6 receives sends can change because of the variation of the propagation medium in the measuring pipet 2, detection probe 6 feeds back to PLC4 with this variation more then, and PLC4 determines to get the dosage of liquid again by control six-way valve 7 and peristaltic pump 1.
Embodiment two
A kind of light-operated measuring apparatus as shown in Figure 2, be in the support 3 at the middle part of measuring pipet 2 on different with embodiment one set up a cover light source probe 5 and a detection probe 6, what measuring pipet 2 lower end pipes connect is six-way valve 7, and all the other 26S Proteasome Structure and Functions and embodiment one are close substantially.
More than be that the light-operated measuring apparatus of the utility model and its course of work are set forth; be used for helping to understand the utility model; but embodiment of the present utility model is not restricted to the described embodiments; anyly do not deviate from the change done under the utility model principle, modification, substitute, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (8)
1. light-operated measuring apparatus, comprise that measuring pipet, pipe are connected on the liquid taking device that liquid pump, pipe are connected on the measuring pipet lower end of getting of measuring pipet upper end, it is characterized in that: the outside of described measuring pipet differing heights be provided with at least two the cover photoelectric detection systems, described photoelectric detection system, get liquid pump, liquid taking device is electrically connected with control device.
2. light-operated measuring apparatus according to claim 1, it is characterized in that: described every cover photoelectric detection system all includes light source probe and detection probe, and the light source probe of same set of photoelectric detection system and detection probe are bottom, top or the medium position that same horizontal level is installed in the measuring pipet both sides.
3. light-operated measuring apparatus according to claim 1, it is characterized in that: described measuring pipet is the transparent tube that indicates scale, is provided with support in this measuring pipet outside, and this support is rectangular box-like structure, this measuring pipet is fixedly connected on the middle part of support, and photoelectric detection system is fixedly connected on the support.
4. light-operated measuring apparatus according to claim 1 is characterized in that: described control device is PLC or single-chip microcomputer.
5. light-operated measuring apparatus according to claim 1 is characterized in that: the described liquid pump of getting is a peristaltic pump, and this peristaltic pump is connected with measuring pipet by flexible pipe, and this peristaltic pump is electrically connected with control device.
6. light-operated measuring apparatus according to claim 1 is characterized in that: described liquid taking device is automatically controlled multiport valve, and the trunk stream of this multiport valve is connected with measuring pipet, and this multiport valve is electrically connected with control device.
7. light-operated measuring apparatus according to claim 1 is characterized in that: described photoelectric detection system has two covers, is separately positioned on the bottom and the top of measuring pipet.
8. light-operated measuring apparatus according to claim 1 is characterized in that: described photoelectric detection system has three covers, and wherein two covers are separately positioned on measuring pipet bottom and top, and other one is set on the medium position of measuring pipet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202683240U CN201780286U (en) | 2010-07-21 | 2010-07-21 | Light-operated metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202683240U CN201780286U (en) | 2010-07-21 | 2010-07-21 | Light-operated metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201780286U true CN201780286U (en) | 2011-03-30 |
Family
ID=43793497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202683240U Expired - Fee Related CN201780286U (en) | 2010-07-21 | 2010-07-21 | Light-operated metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201780286U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298067A (en) * | 2011-07-21 | 2011-12-28 | 杭州电子科技大学 | Full-automatic on-line monitoring system of COD (chemical oxygen demand) and monitoring method thereof |
| CN105092308A (en) * | 2015-08-18 | 2015-11-25 | 北京雪迪龙科技股份有限公司 | Quantitative sampling device |
| CN110987125A (en) * | 2019-12-24 | 2020-04-10 | 广州市怡文环境科技股份有限公司 | Liquid level detector |
-
2010
- 2010-07-21 CN CN2010202683240U patent/CN201780286U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102298067A (en) * | 2011-07-21 | 2011-12-28 | 杭州电子科技大学 | Full-automatic on-line monitoring system of COD (chemical oxygen demand) and monitoring method thereof |
| CN105092308A (en) * | 2015-08-18 | 2015-11-25 | 北京雪迪龙科技股份有限公司 | Quantitative sampling device |
| CN105092308B (en) * | 2015-08-18 | 2018-08-14 | 北京雪迪龙科技股份有限公司 | A kind of quantitative sampling device |
| CN110987125A (en) * | 2019-12-24 | 2020-04-10 | 广州市怡文环境科技股份有限公司 | Liquid level detector |
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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: 20110330 Termination date: 20180721 |