CN203688432U - Liquid metering system - Google Patents

Liquid metering system Download PDF

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Publication number
CN203688432U
CN203688432U CN201320835347.9U CN201320835347U CN203688432U CN 203688432 U CN203688432 U CN 203688432U CN 201320835347 U CN201320835347 U CN 201320835347U CN 203688432 U CN203688432 U CN 203688432U
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China
Prior art keywords
valve
interface
liquid
cuts
quantitative
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CN201320835347.9U
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韦方洋
李艳丽
王勇平
唐长春
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Bixing IOT Technology (Shenzhen) Co.,Ltd.
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ZHONGXING INSTRUMENT (SHENZHEN) Co Ltd
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Abstract

The utility model discloses a liquid metering system. The liquid metering system comprises a reaction tank, a multiport valve for introducing samples and switching different kinds of liquid, a first switch valve for switching quantitative loops with different volumes, a second switch valve for switching a waste liquid outlet and a connecting pipeline, a peristaltic pump and a photoelectric detection device for detecting liquid level, wherein the multiport valve comprises a sample introduction interface, a waste liquid interface, a reaction tank connecting interface and a switch valve connecting interface; the multiport valve is connected with the reaction tank through the reaction tank connecting interface. The liquid metering system disclosed by the utility model can be used for precisely metering liquid (for example, a water sample) with small volume and can also be used for diluting the liquid at a high proportion.

Description

A kind of liquid gaging system
Technical field
The utility model relates to a kind of liquid gaging system, more particularly, relates to a kind of liquid gaging system that can realize accurate measurement and many times of diluent liquid of vast scale.
Background technology
At present, use metering and the dilution mode of more liquid (for example water sample) normally to adopt peristaltic pump or syringe pump to coordinate gauge line (being furnished with photoelectric detection system) to carry out the liquid level control of 1ml and 2ml, cannot accurate measurement small size water sample, more cannot accurately carry out many times of dilutions of vast scale to high concentration, high chroma water sample.
Utility model content
The purpose of this utility model is, a kind of liquid gaging system is provided, and liquid (for example water sample) that can accurate measurement small size, further, can also carry out many times of dilutions of vast scale to liquid.
The utility model is achieved through the following technical solutions: a kind of liquid gaging system, described liquid gaging system comprises: reaction tank, for sample introduction and switch the multiport valve of different types of liquid, for switching quantitatively first the cutting valve, cut valve, peristaltic pump and the photoelectric detection system for detection of liquid level for switching second of waste liquid outlet and connecting line of ring of different volumes;
Described multiport valve comprises sample introduction interface, waste liquid interface, reaction tank connecting interface and cuts valve connecting interface, and multiport valve is connected with described reaction tank by reaction tank connecting interface;
Described first cuts valve comprises that multiport valve connecting interface, first cuts valve interconnect interface, and at least two quantitative rings, and first cuts the multiport valve connecting interface of valve and the valve connecting interface of cutting of multiport valve is connected by connecting line;
Described second cuts valve comprises that second cuts valve interconnect interface, peristaltic pump connecting interface and waste liquid outlet, second cuts second of valve cuts valve interconnect interface and first and cuts first of valve and cut valve interconnect interface and be connected by connecting line, second cuts valve connects peristaltic pump by peristaltic pump connecting interface, between peristaltic pump connecting interface and peristaltic pump, be provided with connecting line, described photoelectric detection system is arranged on described connecting line.
The beneficial effects of the utility model are: liquid gaging system of the present utility model comprises reaction tank, multiport valve, first cuts valve, second cuts valve, peristaltic pump and photoelectric detection system, multiport valve is connected with reaction tank, multiport valve, first cuts valve, second cuts valve, peristaltic pump connects successively, cut on the connecting line of valve and peristaltic pump and photoelectric detection system is set for detection of liquid level connecting second, by multiport valve sample introduction and the different types of liquid of switching, cut valve by first and switch the quantitative ring of different volumes, cut valve by second and switch waste liquid outlet and connecting line, can realize the metering of different volumes liquid, novel structure is reliable, metering precisely, and saving liquid.Due to the described first quantitative ring of cutting valve and can arranging at least two different volumes, wherein, at least one quantitative ring can be set to the quantitative ring of the liquid that measures small size, thereby the liquid (for example water sample) that liquid gaging system of the present utility model can accurate measurement small size; Further, the valve connecting interface and described first of cutting of multiport valve is cut the connecting line arranging between the multiport valve connecting interface of valve and is set to the first quantitative pipeline; Described first cuts first of valve cuts valve interconnect interface and described second and cuts the connecting line that second of valve cuts between valve interconnect interface and be set to the second quantitative pipeline, by the running of peristaltic pump, by multiport valve sample introduction with switch different types of liquid, cut valve by first and switch the quantitative ring of different volumes, cut valve by second and switch waste liquid outlet and connecting line, can carry out many times of dilutions of vast scale to liquid.
Brief description of the drawings
Fig. 1 is the schematic diagram of liquid gaging system of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further detailed.
The liquid gaging system of the utility model preferred embodiment, comprises that reaction tank 1, multiport valve 2, first cut valve 3, second and cut valve 4, peristaltic pump 5 and photoelectric detection system 6.
Described multiport valve 2 is mainly used in sample introduction, and realizes the switching between variety classes liquid, for example: the switching between water sample and reagent.Described multiport valve comprise for the sample introduction interface of sample introduction, for the waste liquid interface 24 of effluent discharge, for the reaction tank connecting interface 20 in coupled reaction pond and for connect first cut valve cut valve connecting interface 28.It is worth mentioning that, because multiport valve can be for the sample introduction of different types of liquid, in order to ensure purity and the good operability of different types of Liquid sample introduction, sample introduction interface is preferably multiple, be respectively used to variety classes liquid, for example: the sample introduction of mark liquid, water sample, reagent.In the present embodiment, described multiport valve comprises nine interfaces, wherein, described sample introduction interface is seven, is respectively two for marking the mark liquid interface 21,22 of liquid sample introduction, the water sample interface 23 for water sample sample introduction and four reagent interfaces 25,26,27,29 for reagent sample introduction.In the present embodiment, described reaction tank 1 is positioned at the top of multiport valve 2, and reaction tank connecting interface 20 is for coupled reaction pond 1, thereby the top that reaction tank connecting interface 20 is preferably placed at multiport valve 2 arranges near reaction tank 1; First cuts valve 3 is positioned at the right side of multiport valve 2, cuts valve connecting interface 28 and cuts valve 3 for connecting first, thereby cut valve connecting interface 28 and be preferably placed at the right side of multiport valve 2 and cut valve 3 near first and arrange; Waste liquid interface 24, for discharging of waste liquid, is preferably placed at the bottom of multiport valve 2.Be understandable that, sample introduction interface, waste liquid interface, reaction tank connecting interface and position and the quantity of cutting valve connecting interface can arrange as required, be not limited to position and the quantity of the present embodiment, as long as can realize Liquid sample introduction, and realize the object of the discharge of switching between variety classes liquid and waste liquid.
Described first cuts valve is mainly used in switching different volumes and quantitatively encircles, and described first cuts valve comprises that multiport valve connecting interface 31, first cuts valve interconnect interface 34, and at least two quantitative rings.It is worth mentioning that, described first cuts valve can arrange the quantitative ring of at least two different volumes, wherein, at least one quantitative ring can be set to the quantitative ring of the liquid that measures small size, thereby the liquid that liquid gaging system of the present utility model can accurate measurement small size.In the present embodiment, described first cuts valve 3 is provided with six interfaces and two quantitative rings, wherein, comprise that a multiport valve connecting interface 31, one first cut valve interconnect interface 34 and four quantitative ring interfaces 32,33,35,36, the connecting line connecting between two quantitative ring interfaces 32,33 is the first quantitative ring 37, and the connecting line connecting between two other quantitative ring interface 35,36 is the second quantitative ring 38.The first quantitative ring that quantitatively ring is 0.2ml volume of the present embodiment, can be used for measuring 0.2ml volume of liquid.The second quantitative ring that quantitatively ring is 1.2ml volume, can be used for measuring 1.2ml volume of liquid.In the present embodiment, described multiport valve 2 is positioned at the first left side of cutting valve 3, and multiport valve connecting interface 31 is for connecting multiport valve 2, thereby multiport valve connecting interface 31 is preferably placed at the first left side of cutting valve 3 and arranges near multiport valve 2; Described second cuts valve 4 is positioned at the first right side of cutting valve 3, and first cuts valve interconnect interface 34 cuts valve 4 for connecting second, thereby first cuts valve interconnect interface 34 and be preferably placed at first and cut the right side of valve 3 and cut valve 4 and arrange near second; Described two quantitative ring interfaces 32,33 and be connected in first between them quantitatively ring 37 be positioned at the first bottom of cutting valve 3, two quantitative ring interfaces 35,36 be connected in second between them and quantitatively encircle 38 and be positioned at the first top of cutting valve 3; Described first cut valve can for switch first quantitatively ring 37, second quantitatively ring 38 cut valve interconnect interface 34 with multiport valve connecting interface 31, first and be connected, thereby make from the liquid of multiport valve 2 enter or flow out first quantitatively ring 37 or second quantitatively encircle 38.Be understandable that, the position that the position of two quantitative rings and quantity, multiport valve connecting interface, first are cut valve interconnect interface can arrange as required, be not limited to position and the quantity of the present embodiment, as long as can enter or flow out the quantitative ring of different volumes by liquid, and realize the object of switching the quantitative ring of different volumes.In addition, it is worth mentioning that, first cuts the multiport valve connecting interface 31 of valve 3 and the valve connecting interface 28 of cutting of multiport valve 2 is connected by connecting line 7, being used for making multiport valve 2 and first to cut valve 3 is connected, preferably, first cut the multiport valve connecting interface 31 of valve 3 and multiport valve 2 to cut the connecting line 7 arranging between valve connecting interface 28 be the first quantitative pipeline 7, the quantitative pipeline that the described first quantitative pipeline is 0.2ml volume, can be used for measuring 0.2ml volume of liquid.
Described second cuts valve 4 for switching waste liquid outlet and connecting line, described second cuts valve 4 comprises that second cuts valve interconnect interface 41, peristaltic pump connecting interface 46 and waste liquid outlet 45, second cuts valve 4 connects peristaltic pump 5 by peristaltic pump connecting interface 46, between peristaltic pump connecting interface 46 and peristaltic pump 5, be provided with connecting line, described photoelectric detection system 6 is arranged on described connecting line.In the present embodiment, described second cuts valve 4 comprises six interfaces, comprises that one second is cut valve interconnect interface 41, peristaltic pump connecting interface 46, waste liquid outlet 45 and three spare interface, in order to other use; Described first cuts valve 3 is positioned at the second left side of cutting valve 4, and second cuts valve interconnect interface 41 cuts valve 3 for connecting first, thereby second cuts valve interconnect interface 41 and be preferably placed at second and cut the left side of valve 4 and cut valve 3 and arrange near first; Waste liquid outlet 45, for discharging of waste liquid, is preferably placed at the second right side of cutting valve 4, and waste liquid outlet is connected with sewer pipe, facilitates the discharge of waste liquid.Peristaltic pump connecting interface 46 is positioned at the second top of cutting valve 4, it is connected to peristaltic pump 5 by connecting tube, described second cuts valve 4 can cut valve interconnect interface 41 with waste liquid outlet 45 or the second and be connected for switching peristaltic pump connecting interface 46, thereby liquid flowed into or flow out peristaltic pump connecting interface 46, waste liquid outlet 45, or discharging liquid gaging system by waste liquid outlet 45.Be understandable that, the second position and quantity of cutting valve interconnect interface 41, peristaltic pump connecting interface 46 and waste liquid outlet 45 can arrange as required, be not limited to position and the quantity of the present embodiment, cut valve 4 as long as can liquid enter or flow out second, and realize the object of switching waste liquid outlet and connecting line.In addition, it is worth mentioning that, described first cuts first of valve 3 cuts valve interconnect interface 34 and described second and cuts second of valve 4 and cut between valve interconnect interface 41 and be connected by connecting line 8, be used for making first to cut valve 3 and second and cut valve 4 and be connected, preferably, described first cuts first of valve 3 cuts valve interconnect interface 34 and described second and cuts second of valve 4 to cut between valve interconnect interface 41 connecting line 8 arranging be the second quantitative pipeline 8, the quantitative pipeline that the described second quantitative pipeline is 0.6ml volume, can be used for measuring 0.6ml volume of liquid.
In the utility model, described peristaltic pump 5 is for controlling flowing of liquid gaging system liquid, peristaltic pump 5 is rotated counterclockwise, can make liquid enter liquid gaging system from the sample introduction interface of multiport valve, unnecessary liquid can flow out from the second waste liquid outlet 45 of cutting valve 4, peristaltic pump 5 turns clockwise, and can make the liquid in liquid gaging system enter reaction tank by reaction tank connecting interface, and unnecessary liquid can flow out from the waste liquid interface of multiport valve; Described photoelectric detection system is for detection of liquid level, and in the time that the liquid in influent metering system flows to photoelectric detection system, photoelectric detection system 6 detects liquid and sends corresponding signal controlling peristaltic pump 5 and rotate.Peristaltic pump 5, the photoelectric detection system 6 that can realize above-mentioned purpose can adopt peristaltic pump 5 known in the art, photoelectric detection system 6.
As an example of 2ml water sample metering process example, how explanation liquid gaging system realizes accurate measurement liquid below.
First, peristaltic pump 5 is rotated counterclockwise, and water sample enters multiport valve 2 from water sample interface 23, through cutting valve connecting interface 28, enter multiport valve 2 and first and cut the first quantitative pipeline 7 that the volume between valve 3 is 0.2ml, the multiport valve connecting interface 31 of flowing through enters first and cuts valve 3.The the second quantitative ring 38 that is 1.2ml through the volume between quantitative ring interface 35, quantitative ring interface 36, flow through and first cut first of valve 3 and cut valve interconnect interface 34, entering first cuts valve 3 and second and cuts the second quantitative pipeline 8 that the volume between valve 4 is 0.6ml, cut second of valve 4 through second and cut valve interconnect interface 41, flow out from peristaltic pump connecting interface 46, photoelectric detection system 6 detects after liquid, and peristaltic pump 5 stops.
Then, peristaltic pump 5 turns clockwise, and the second waste liquid outlet 45 and peristaltic pump connecting interface 46 of cutting valve 4 is communicated with simultaneously, cuts valve 4 to the liquid between photoelectric detection system 6 discharge from waste liquid outlet 45 as waste liquid second.
Finally, cut second of valve 4 by second and cut valve interconnect interface 41 and be communicated with peristaltic pump connecting interface 46,2ml water sample is pushed in reaction tank 1, complete the metering of 2ml water sample.
Illustrate as an example of 0.2ml water sample metering process example below how liquid gaging system realizes the liquid of accurate measurement small size.
First, peristaltic pump 5 is rotated counterclockwise, and water sample enters multiport valve 2 from water sample interface 23, through cutting valve connecting interface 28, enter multiport valve 2 and first and cut the first quantitative pipeline 7 that the volume between valve 3 is 0.2ml, the multiport valve connecting interface 31 of flowing through enters first and cuts valve 3.The the first quantitative ring 37 that is 0.2ml through the volume between quantitative ring interface 32 and quantitative ring interface 33, flow through and first cut first of valve 3 and cut valve interconnect interface 34, entering first cuts valve 3 and second and cuts the second quantitative pipeline 8 that the volume between valve 4 is 0.6ml, cut second of valve 4 through second and cut valve interconnect interface 41, flow out from peristaltic pump connecting interface 46, photoelectric detection system 6 detects after liquid, and peristaltic pump 5 stops.
Then, peristaltic pump 5 turns clockwise, the first multiport valve connecting interface 31 and quantitative ring interface 36 of cutting valve 3 is communicated with simultaneously, and quantitative ring interface 35 and first is cut valve interconnect interface 34 and connected, and the waste liquid interface 24 of the liquid using multiport valve 2 to 6 of photoelectric detection systems as waste liquid from multiport valve 2 is discharged.
Then, the first multiport valve connecting interface 31 and quantitative ring interface 32 of cutting valve 3 is communicated with, quantitative ring interface 33 and first is cut valve interconnect interface 34 and is communicated with, and 0.2ml water sample is pushed in reaction tank 1, completes the metering of 0.2ml water sample.
So that being described to liquid gaging system as example, the dilution of water sample and zero correction liquid vast scale how to realize quantitative dilution below:
First, measure according to the method described above 0.2ml water sample and push in reaction tank 1, then measure according to the method described above 2ml zero correction liquid, push in reaction tank 1 and mix with 0.2ml water sample, air-blowing is stirred, and it is mixed.Complete water sample and zero correction liquid according to 1:10 dilution proportion.
Then, peristaltic pump 5 is rotated counterclockwise, and the dilution water sample in reaction tank 1 is extracted out, measures according to the method described above 0.2ml dilution water sample, is kept at the first 0.2ml first cutting in valve 3 and quantitatively encircles in 37.
Then, the first multiport valve connecting interface 31 of cutting valve 3 is communicated with quantitative ring interface 36, first cuts valve interconnect interface 34 is communicated with quantitative ring interface 35, and peristaltic pump 5 turns clockwise, and the waste liquid interface 24 of all the other dilution water samples as waste liquid from multiport valve 2 in pipeline is discharged.
Then, peristaltic pump 5 is rotated counterclockwise, and the residue dilution water sample in reaction tank 1 is evacuated to the position of photoelectric detection system 6, and peristaltic pump stops.Peristaltic pump 5 turns clockwise, and the waste liquid interface 24 using the dilution water sample of extraction as waste liquid from multiport valve 2 is drained.Repeat this process, until the water sample in reaction tank 1 is emptying.
Then, the first multiport valve connecting interface 31 and quantitative ring interface 32 of cutting valve 3 is communicated with, quantitative ring interface 33 and first is cut valve interconnect interface 34 and is communicated with, and peristaltic pump 5 turns clockwise, and pushes reaction tank 1 by being kept at the first 0.2ml dilution water sample quantitatively encircling in 37.
Finally, measure according to the method described above 2ml zero correction liquid and push in reaction tank 1 and mix with 0.2ml dilution water sample, air-blowing stirring, mixes it.
After two-stage dilution, realize vast scale dilution.First order dilution, dilutes water sample and zero correction liquid according to 1:10, second level dilution continues water sample and zero correction liquid to dilute according to 1:10, by two-stage dilution, has reached the object of water sample and the dilution of zero correction liquid vast scale.
In sum, the liquid gaging system of the utility model preferred embodiment comprises reaction tank, multiport valve, first cuts valve, second cuts valve, peristaltic pump and photoelectric detection system, multiport valve is connected with reaction tank, multiport valve, first cuts valve, second cuts valve, peristaltic pump connects successively, cut on the connecting line of valve and peristaltic pump and photoelectric detection system is set for detection of liquid level connecting second, by multiport valve sample introduction and the different types of liquid of switching, cut valve by first and switch the quantitative ring of different volumes, cut valve by second and switch waste liquid outlet and connecting line, can realize the metering of different volumes liquid.Due to the described first quantitative ring of cutting valve and being provided with two different volumes, one of them quantitative ring can measure the liquid of 0.2ml volume, another quantitative ring can measure the liquid of 1.2ml volume, the valve connecting interface and described first of cutting of multiport valve is cut the connecting line arranging between the multiport valve connecting interface of valve and is set to the first quantitative pipeline, can measure the liquid of 0.2ml volume; Described first cuts first of valve cuts valve interconnect interface and described second and cuts the connecting line that second of valve cuts between valve interconnect interface and be set to the second quantitative pipeline, can measure the liquid of 0.6ml volume, thereby, the minimum metering volume of the liquid gaging system of the present embodiment is 0.2ml, can also measure 1ml, 1.2ml, the liquid of 2ml and more volume.Further, by the running of peristaltic pump, by multiport valve sample introduction with switch different types of liquid, cut valve by first and switch the quantitative ring of different volumes, cut valve by second and switch waste liquid outlet and connecting line, can carry out many times of dilutions of vast scale to liquid, can realize 1:2,1:5,1:10,1:15,1:20 ... the dilution function of 1:100 ratio, the novel structure of this liquid gaging system is reliable, metering precisely, and save liquid.
Above embodiment has been described in detail the utility model, but these not form restriction of the present utility model.Protection domain of the present utility model is not limited with above-mentioned embodiment, as long as the equivalence that those of ordinary skill in the art do according to the utility model institute disclosure is modified or changed, all should include in the protection domain of recording in claims.

Claims (9)

1. a liquid gaging system, it is characterized in that, described liquid gaging system comprises: reaction tank, for sample introduction and switch the multiport valve of different types of liquid, for switching quantitatively first the cutting valve, cut valve, peristaltic pump and the photoelectric detection system for detection of liquid level for switching second of waste liquid outlet and connecting line of ring of different volumes;
Described multiport valve comprises sample introduction interface, waste liquid interface, reaction tank connecting interface and cuts valve connecting interface, and multiport valve is connected with described reaction tank by reaction tank connecting interface;
Described first cuts valve comprises that multiport valve connecting interface, first cuts valve interconnect interface, and at least two quantitative rings, and first cuts the multiport valve connecting interface of valve and the valve connecting interface of cutting of multiport valve is connected by connecting line;
Described second cuts valve comprises that second cuts valve interconnect interface, peristaltic pump connecting interface and waste liquid outlet, second cuts second of valve cuts valve interconnect interface and first and cuts first of valve and cut valve interconnect interface and be connected by connecting line, second cuts valve connects peristaltic pump by peristaltic pump connecting interface, between peristaltic pump connecting interface and peristaltic pump, be provided with connecting line, described photoelectric detection system is arranged on described connecting line.
2. liquid gaging system according to claim 1, is characterized in that, described sample introduction interface is seven, is respectively two for marking the mark liquid interface of liquid sample introduction, a water sample interface for water sample sample introduction and four reagent interfaces for reagent sample introduction.
3. liquid gaging system according to claim 1, is characterized in that, described first cuts valve also comprises four quantitative ring interfaces, wherein between two quantitative ring interfaces, connects first and quantitatively encircles, and connects second and quantitatively encircle between two other quantitative ring interface.
4. liquid gaging system according to claim 1, is characterized in that, described the second waste liquid outlet of cutting valve is connected with sewer pipe, and described second cuts valve and also comprise three spare interface.
5. according to the liquid gaging system described in claim 1-4 any one, it is characterized in that, to cut the connecting line arranging between the multiport valve connecting interface of valve be the first quantitative pipeline to the valve connecting interface and described first of cutting of described multiport valve; Described first cuts first of valve cuts valve interconnect interface and described second and cuts second of valve to cut the connecting line arranging between valve interconnect interface be the second quantitative pipeline.
6. liquid gaging system according to claim 5, is characterized in that, the quantitative pipeline that the described first quantitative pipeline is 0.2ml volume; The quantitative pipeline that the described second quantitative pipeline is 0.6ml volume.
7. liquid gaging system according to claim 5, is characterized in that, the internal diameter of the described first quantitative pipeline, the second quantitative pipeline is 1-3mm.
8. according to the liquid gaging system described in claim 1-4 any one, it is characterized in that, described first cuts valve comprises the quantitatively ring of the first quantitative ring and second that can mutually switch, the quantitative ring that the described first quantitative ring and the second quantitative ring are different volumes capacity.
9. liquid gaging system according to claim 8, is characterized in that, the first quantitative ring that quantitatively ring is 0.2ml volume, and second quantitatively encircles the quantitative ring for 1.2ml volume.
CN201320835347.9U 2013-12-17 2013-12-17 Liquid metering system Active CN203688432U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104267198A (en) * 2014-07-22 2015-01-07 武汉市天虹仪表有限责任公司 Automatic calibration device and method for volatile organic compound analyzer
CN104569456A (en) * 2015-01-07 2015-04-29 湖南宏泰检测评价有限公司 Sample injector
CN104764861A (en) * 2015-04-16 2015-07-08 肖巍 Analyzing and metering device and liquid analysis system
CN104764860A (en) * 2015-04-16 2015-07-08 肖巍 Analyzing and metering device and liquid analysis system
CN104897669A (en) * 2015-06-25 2015-09-09 无锡点创科技有限公司 Three-way valve metering device of online water quality monitor
CN106645609A (en) * 2016-09-23 2017-05-10 南京南瑞集团公司 Metering device for online hexavalent-chromium water quality monitor and using method of metering device
CN107610338A (en) * 2017-08-30 2018-01-19 大连富士冰山自动售货机有限公司 A kind of wine vending machine that can continuously sell
CN114018678A (en) * 2021-11-26 2022-02-08 中国科学院地理科学与资源研究所 Device and method for purifying and separating copper isotopes in soil

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104267198A (en) * 2014-07-22 2015-01-07 武汉市天虹仪表有限责任公司 Automatic calibration device and method for volatile organic compound analyzer
CN104569456A (en) * 2015-01-07 2015-04-29 湖南宏泰检测评价有限公司 Sample injector
CN104764861A (en) * 2015-04-16 2015-07-08 肖巍 Analyzing and metering device and liquid analysis system
CN104764860A (en) * 2015-04-16 2015-07-08 肖巍 Analyzing and metering device and liquid analysis system
CN104897669A (en) * 2015-06-25 2015-09-09 无锡点创科技有限公司 Three-way valve metering device of online water quality monitor
CN106645609A (en) * 2016-09-23 2017-05-10 南京南瑞集团公司 Metering device for online hexavalent-chromium water quality monitor and using method of metering device
CN106645609B (en) * 2016-09-23 2019-08-20 南京南瑞集团公司 A kind of hexavalent chromium water quality on-line computing model metering device and its application method
CN107610338A (en) * 2017-08-30 2018-01-19 大连富士冰山自动售货机有限公司 A kind of wine vending machine that can continuously sell
CN114018678A (en) * 2021-11-26 2022-02-08 中国科学院地理科学与资源研究所 Device and method for purifying and separating copper isotopes in soil

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CB03 Change of inventor or designer information
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Inventor after: Wei Fangyang

Inventor after: Li Yanli

Inventor after: Li Shiping

Inventor after: Ji Liuhua

Inventor after: Wang Yongping

Inventor after: Tang Changchun

Inventor before: Wei Fangyang

Inventor before: Li Yanli

Inventor before: Wang Yongping

Inventor before: Tang Changchun

CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: 518000 Room 301, building 2, runheng Industrial Zone, No.1, liuxiansan Road, 67 District, Xingdong community, Xin'an street, Bao'an District, Shenzhen City, Guangdong Province

Patentee after: Bixing IOT Technology (Shenzhen) Co.,Ltd.

Address before: 518000 4th floor, building 4, Antongda Industrial Park, No.1 Liuxian Avenue, Baoan 68 District, Shenzhen City, Guangdong Province

Patentee before: ZTE INSTRUMENTS (SHENZHEN) Co.,Ltd.