CN201697681U - Light control metering device - Google Patents
Light control metering device Download PDFInfo
- Publication number
- CN201697681U CN201697681U CN2010201885368U CN201020188536U CN201697681U CN 201697681 U CN201697681 U CN 201697681U CN 2010201885368 U CN2010201885368 U CN 2010201885368U CN 201020188536 U CN201020188536 U CN 201020188536U CN 201697681 U CN201697681 U CN 201697681U
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- Prior art keywords
- measuring
- photoelectric detection
- pipet
- light
- measuring pipet
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Abstract
The utility model discloses a light control metering device, comprising a liquid metering pipe, a liquid taking pump connected at the upper end of the liquid metering pipe, a liquid taking device connected at the lower end of the liquid metering pipe, wherein the liquid metering pipe is also externally provided with a photoelectric detection device which is connected with a control device and comprises at least two sets of photoelectric detection probes; and the photoelectric detection probes are arranged at the lower end, the upper end and the middle position of the liquid metering pipe. The light control metering device detects the reagent amount in the metering pipe by the light control device, and has the advantages of sensitive reaction, accurate taking amount, convenient cleaning and simple maintenance.
Description
[technical field]
The utility model relates to the liquid meter technical field, relates to a kind of how light-operated measuring apparatus in particular.
[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.
[utility model content]
The utility model is exactly at the deficiencies in the prior art, and a kind of light-operated measuring apparatus is provided, and can detect amount of reagent in the gauge line by light controlling device, be quick on the draw, the amount of getting is accurate, and clean convenient, safeguard simple.
The utility model is to adopt following technical scheme to realize above-mentioned purpose: a kind of light-operated measuring apparatus, include measuring pipet, be connected getting liquid pump, being connected the liquid taking device of measuring pipet lower end of measuring pipet upper end, also be provided with photoelectric detection system in the measuring pipet outside, this photoelectric detection system is connected with control device, it is characterized in that: this photoelectric detection system includes at least two cover Photoelectric Detection probes, and this Photoelectric Detection probe is arranged on measuring pipet lower end and upper end and medium position.
As further specifying of such scheme: described measuring pipet is the transparent pipe 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.
Described control device is PLC or single-chip microcomputer.
The described liquid pump of getting is a peristaltic pump, this peristaltic pump be connected with measuring pipet by flexible pipe, and this peristaltic pump is electrically connected with control device.
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.
Described Photoelectric Detection probe includes light source probe and detection probe, and this light source probe and detection probe are on the support that same horizontal level is installed in the measuring pipet both sides.
Described Photoelectric Detection probe has two covers, is separately positioned on measuring pipet bottom and top.
Described Photoelectric Detection probe has three covers, and wherein two covers are separately positioned on measuring pipet bottom and top, and other one is set on the measuring pipet medium position.
The beneficial effect that the utility model adopts above technical scheme to reach is: the utility model is provided with support outside measuring pipet, and on support, be provided with photoelectric detection system by single-chip microcomputer or PLC control, 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]
Accompanying drawing 1 is the structural representation of the utility model embodiment one.
Description of reference numerals: 1, measuring pipet; 2, peristaltic pump; 3, nine logical valves; 4, support; 5, light source probe; 6, detection probe.
[embodiment]
For further setting forth the utility model 26S Proteasome Structure and Function, the utility model is elaborated below in conjunction with accompanying drawing and preferred embodiment:
Embodiment one
As shown in Figure 1, present embodiment is a kind of light-operated measuring apparatus, include measuring pipet 1, be connected measuring pipet 1 upper end peristaltic pump 2, be connected nine logical valves 3 of measuring pipet 1 lower end, also be provided with photoelectric detection system in measuring pipet 1 outside, this photoelectric detection system is connected with PLC, this photoelectric detection system includes two cover Photoelectric Detection probes 6, is separately positioned on measuring pipet 1 bottom and top.Measuring pipet 1 is provided with support 4 for indicating the transparent glass tube of scale in this measuring pipet 1 outside, this support 4 is rectangular box-like structure, and this measuring pipet 1 is fixedly connected on the middle part of support 4.Peristaltic pump 2 be connected with measuring pipet 1 upper end by flexible pipe, and this peristaltic pump 2 is electrically connected with PLC, with control peristaltic pump 2 revolutions and just changeing counter-rotating.The trunk stream of nine logical valves 3 is connected with measuring pipet 1 lower end, and this nine logical valve is electrically connected with PLC for 3 nights, described Photoelectric Detection probe 6 includes light source probe 5 and detection probe 6, and this light source probe 5 and detection probe 6 are on the support 4 that same horizontal level is installed in measuring pipet 1 both sides.
In the present embodiment, PLC control peristaltic pump 2 and nine logical valves 3 begin to get liquid, in getting the liquid process, when the liquid level process is installed the position of photoelectric detection system, the light that detection probe 6 receives can change because of the variation of propagation medium, detection probe 6 feeds back to PLC with this variation more then, and PLC determines to get the dosage of liquid by controlling nine logical valves 3 and peristaltic pump 2 again.
Embodiment two
Present embodiment is compared with embodiment one, and except that set up a cover Photoelectric Detection probe 6 on the support 4 at measuring pipet 1 middle part, all the other 26S Proteasome Structure and Functions and embodiment's one is in full accord.
Only the part of the utility model preferred embodiment shown in the utility model the foregoing description and the accompanying drawing; can not limit to the utility model with this; under the condition that does not break away from the utility model marrow, any change that those skilled in the art did all belongs to protection domain of the present utility model.
Claims (8)
1. light-operated measuring apparatus, include measuring pipet, be connected getting liquid pump, being connected the liquid taking device of measuring pipet lower end of measuring pipet upper end, also be provided with photoelectric detection system in the measuring pipet outside, this photoelectric detection system is connected with control device, it is characterized in that: this photoelectric detection system includes at least two cover Photoelectric Detection probes, and this Photoelectric Detection probe is arranged on measuring pipet lower end and upper end and medium position.
2. light-operated measuring apparatus according to claim 1, its feature also is: described measuring pipet is the transparent pipe 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.
3. light-operated measuring apparatus according to claim 1 and 2, its feature also is: described control device is PLC or single-chip microcomputer.
4. light-operated measuring apparatus according to claim 3, its feature also is: the described liquid pump of getting is a peristaltic pump, this peristaltic pump be connected with measuring pipet by flexible pipe, and this peristaltic pump is electrically connected with control device.
5. light-operated measuring apparatus according to claim 3, its feature also is: described liquid taking device is automatically controlled multiport valve, the trunk stream of this multiport valve is connected with measuring pipet, and this multiport valve is electrically connected with control device.
6. light-operated measuring apparatus according to claim 2, its feature also is: described Photoelectric Detection probe includes light source probe and detection probe, and this light source probe and detection probe are on the support that same horizontal level is installed in the measuring pipet both sides.
7. light-operated measuring apparatus according to claim 6, its feature also is: described Photoelectric Detection probe has two covers, is separately positioned on measuring pipet bottom and top.
8. light-operated measuring apparatus according to claim 6, its feature also is: described Photoelectric Detection probe has three covers, and wherein two covers are separately positioned on measuring pipet bottom and top, and other one is set on the measuring pipet medium position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201885368U CN201697681U (en) | 2010-05-06 | 2010-05-06 | Light control metering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201885368U CN201697681U (en) | 2010-05-06 | 2010-05-06 | Light control metering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201697681U true CN201697681U (en) | 2011-01-05 |
Family
ID=43398929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201885368U Expired - Lifetime CN201697681U (en) | 2010-05-06 | 2010-05-06 | Light control metering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201697681U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607889A (en) * | 2012-03-14 | 2012-07-25 | 广州市怡文环境科技股份有限公司 | Liquid taking and metering method for analytical instrument |
| CN105548008A (en) * | 2015-12-30 | 2016-05-04 | 深圳市绿恩环保技术有限公司 | Online detecting device for cadmium in water |
| CN106501028A (en) * | 2016-09-08 | 2017-03-15 | 深圳市绿恩环保技术有限公司 | Fluorion monitors sampling apparatuses |
| CN108458760A (en) * | 2018-01-23 | 2018-08-28 | 四川君汇科技有限公司 | Peristaltic pump flow detection device and detection method |
-
2010
- 2010-05-06 CN CN2010201885368U patent/CN201697681U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102607889A (en) * | 2012-03-14 | 2012-07-25 | 广州市怡文环境科技股份有限公司 | Liquid taking and metering method for analytical instrument |
| CN102607889B (en) * | 2012-03-14 | 2015-08-26 | 广州市怡文环境科技股份有限公司 | A kind ofly get liquid metering method for analytical instrument |
| CN105548008A (en) * | 2015-12-30 | 2016-05-04 | 深圳市绿恩环保技术有限公司 | Online detecting device for cadmium in water |
| CN106501028A (en) * | 2016-09-08 | 2017-03-15 | 深圳市绿恩环保技术有限公司 | Fluorion monitors sampling apparatuses |
| CN108458760A (en) * | 2018-01-23 | 2018-08-28 | 四川君汇科技有限公司 | Peristaltic pump flow detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |