CN112729955A - Automatic sampling device for liquid samples - Google Patents
Automatic sampling device for liquid samples Download PDFInfo
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- CN112729955A CN112729955A CN202011628424.4A CN202011628424A CN112729955A CN 112729955 A CN112729955 A CN 112729955A CN 202011628424 A CN202011628424 A CN 202011628424A CN 112729955 A CN112729955 A CN 112729955A
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- sampling
- power supply
- supply device
- charging
- bottle
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- 238000005070 sampling Methods 0.000 title claims abstract description 106
- 239000007788 liquid Substances 0.000 title claims abstract description 31
- 238000000605 extraction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
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- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1418—Depression, aspiration
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an automatic sampling device for liquid samples, which comprises: the sampling device comprises a shell, a sampling nozzle and a sampling tube, wherein the shell is provided with the sampling nozzle; install in the casing: two-position three-way valve and air extractor; the shell is also provided with a sampling bottle and a power supply device; the inlet end of the two-position three-way valve is communicated with a sampling nozzle, and the outlet end of the two-position three-way valve is communicated with the sampling bottle; the air inlet of the air extracting device is communicated with the sampling bottle through an air extracting pipe; the power supply device is connected with the air exhaust device for supplying power; further comprising: the charging base is provided with the power supply device. The sampling amount of the invention can be controlled by the air extraction device and the two-position three-way valve, the power supply device supplies power, and the charging base can be used for charging. The sampling bottle is used as a replaceable component. When the liquid sample is sampled, the invention can avoid the direct contact of the operator and the sample, and the sampling amount is accurate and controllable, and the operation is simple and convenient.
Description
Technical Field
The invention relates to a sampling device, in particular to an automatic sampling device for liquid samples.
Background
In the sampling process of a liquid sample, the sampling method generally adopted at present is manual sampling, the method is complex to operate, the risk of direct contact between an operator and the sample exists, the requirement on the quality of the operator is high, and certain potential safety hazards also exist. On the other hand, in the sampling process, the sampling amount of the sample is extremely unstable under the influence of various factors such as manual operation time, sample source pressure, vacuum degree in the sampling bottle and the like. When the sample is high-level liquid or the sampling quantity is required to be small and accurate, the manual sampling mode cannot be sufficient. Therefore, it is necessary to design an automatic sampling device which has a simple structure, is safe and convenient to use, has a stable sampling amount and can prevent workers from directly contacting with samples.
Disclosure of Invention
The above purpose of the invention is realized by the following technical scheme:
an automatic sampling device for a liquid sample, comprising: the sampling device comprises a shell, a sampling nozzle and a sampling tube, wherein the shell is provided with the sampling nozzle; install in the casing: two-position three-way valve and air extractor; the shell is also provided with a sampling bottle and a power supply device; the inlet end of the two-position three-way valve is communicated with a sampling nozzle, and the outlet end of the two-position three-way valve is communicated with the sampling bottle; the air inlet of the air extracting device is communicated with the sampling bottle through an air extracting pipe; the power supply device is connected with the air exhaust device for supplying power; further comprising: the charging base is provided with the power supply device.
The automatic sampling device for the liquid sample is characterized in that the shell is provided with a bottle cap, and the bottle mouth of the sampling bottle is arranged on the bottle cap in a threaded manner.
The automatic sampling device for the liquid sample, wherein the outlet end of the two-position three-way valve is provided with the sampling tube, and the sampling tube and the air suction tube penetrate through the bottle cap and extend into the sampling bottle.
The automatic sampling device for the liquid sample, wherein, the sampling pipe end part is provided with the sample introduction end component, the exhaust end component is provided with the exhaust end component, and the sample introduction end component and the exhaust end component are all arranged in the sampling bottle.
The automatic sampling device for liquid samples as described above, wherein a one-way valve is installed on the aspiration tube.
The automatic sampling device for the liquid sample is characterized in that a switch is arranged between the power supply device and the air suction device.
The automatic sampling device for the liquid sample comprises a charging base, a sliding rail, a power supply device, a charging port, an elastic button and a power supply interface, wherein the sliding rail is provided with a T-shaped section, the lower part of the power supply device is provided with a matched sliding groove, the charging base is further provided with a protruding charging part, the charging part is provided with the charging port, the charging part is arranged on one side of the sliding rail, the elastic button is arranged on the charging base on the other side of the sliding rail, the lower part of the power supply device is provided with the power supply interface, the power supply interface is in contact with the charging port for charging, and the lower part of the power supply device.
In conclusion, by adopting the technical scheme, the sampling quantity can be controlled by the air exhaust device and the two-position three-way valve, and the power supply device supplies power and can charge through the charging base. The sampling bottle is used as a replaceable part and is arranged on the sampling gun through a bottle cap on the sampling gun; after sampling is completed, the sampling bottle can be separated from the bottle cap. When the liquid sample is sampled, the invention can avoid the direct contact of the operator and the sample, and the sampling amount is accurate and controllable, and the operation is simple and convenient.
Drawings
FIG. 1 is a schematic view of the structure of an automatic sampling device for liquid samples according to the present invention;
FIG. 2 is a schematic view showing the internal structure of the automatic sampling apparatus for liquid samples according to the present invention;
FIG. 3 is a schematic structural diagram of a power supply device of the automatic sampling device for liquid samples according to the present invention;
fig. 4 is a schematic structural view of a charging base of the automatic sampling device for liquid samples according to the present invention.
Detailed Description
The invention is further described below with reference to the following figures and examples:
fig. 1 is a schematic structural view of an automatic sampling device for liquid samples according to the present invention, fig. 2 is a schematic structural view of an internal structure of the automatic sampling device for liquid samples according to the present invention, and referring to fig. 1 and 2, an automatic sampling device for liquid samples comprises: the device comprises a shell 1, wherein a sampling nozzle 17 is arranged on the shell 1; the casing 1 is internally provided with: a two-position three-way valve 11 and an air extracting device 15; the shell 1 is also provided with a sampling bottle 4 and a power supply device 2; the inlet end of the two-position three-way valve 11 is communicated with the sampling nozzle 17, and the outlet end of the two-position three-way valve 11 is communicated with the sampling bottle 4; the air inlet of the air extractor 15 is communicated with the sampling bottle 4 through an air extraction pipe 101; the power supply device 2 is connected with the air extraction device 15 for supplying power; further comprising: charging base 3, power supply unit 2 installs on charging base 3.
Further, a bottle cap 18 is arranged on the shell 1, and the bottle mouth of the sampling bottle 4 is arranged on the bottle cap 18 in a threaded mode. The cap 18 is mounted on the housing 1 by cap mounting means 19.
Furthermore, a sampling tube is installed at the outlet end of the two-position three-way valve 11, and the sampling tube and the exhaust tube 101 penetrate through the bottle cap 18 and extend into the sampling bottle 4.
Furthermore, a sample end assembly 12 is installed at the end of the sampling tube, an exhaust end assembly 13 is installed at the end of the exhaust tube 101, and the sample end assembly 12 and the exhaust end assembly 13 are both arranged in the sampling bottle 4.
Further, a check valve 14 is installed on the suction pipe 101.
Further, a switch 16 is installed between the power supply device 2 and the air extractor 15.
Fig. 3 is a schematic structural diagram of a power supply device of an automatic sampling device for liquid samples according to the present invention, fig. 4 is a schematic structural diagram of a charging base of an automatic sampling device for liquid samples according to the present invention, please refer to fig. 3 and fig. 4, the charging base 3 is provided with a sliding rail 33 with a T-shaped cross section, the lower portion of the power supply device 2 is provided with a matching sliding groove 23, the charging base 3 is further provided with a convex charging portion, the charging portion is provided with a charging port 32, the charging portion is disposed on one side of the sliding rail 33, the charging base 3 on the other side of the sliding rail 33 is provided with an elastic button 34, the lower portion of the power supply device 2 is provided with a power interface 22, the power interface 22 is in contact with the charging port 32 for charging.
Specifically, in the implementation process of the present invention, the lower portion of the housing 1 may have a slot, and the upper portion of the power supply device 2 is inserted into the slot. The upper part of the power supply device 2 is provided with a first power supply head 100, a second power supply head 21 is arranged in the shell 1 in a matching way, and the first power supply head 100 is contacted with the second power supply head 21 to realize power supply.
During sampling, the power supply device 2 and the sampling bottle 4 are respectively installed on a sampling gun, the knob at the top of the two-position three-way valve 11 is rotated to communicate the inlet channel with the outlet channel, the switch 16 is opened, the air exhaust device 15 exhausts the sampling bottle 4 through the exhaust end component 13 and the one-way valve 14, negative pressure is formed in the sampling bottle 4, and a sample flows into the sampling bottle 4 through the two-position three-way valve 11 and the sampling end component 12 under the pressure effect through the sampling nozzle 17. After the sampling is completed, the switch 16 is closed, the air extractor 15 stops working, and the sampling bottle 4 can be taken down for further analysis. After the sampling bottle 4 is replaced, the pipeline can be cleaned by adopting the same operation steps.
When charging, the button 34 is pressed to move the power supply device 2 to the charging position along the slide rail 33 on the surface of the charging base 3, so that the power interface 22 is in contact with the charging port 32, at the moment, the button 34 automatically bounces to reset to abut against the power supply device 2 to limit the sliding of the power supply device, the power supply of the charging device is switched on, the indicator lamp 31 is turned on, and the power supply device 2 is charged. After the charging is finished, the indicator lamp 31 changes the color, the power supply of the charging device is turned off, the button 34 is pressed, the power supply device 2 can be removed from the limited range of the slide rail 33, and the power supply device 2 can be taken out.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that many modifications and variations can be made by those skilled in the art in light of the above teachings without the use of inventive faculty, or by software programming. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. An automatic sampling device for liquid samples, comprising: the sampling device comprises a shell, a sampling nozzle and a sampling tube, wherein the shell is provided with the sampling nozzle; install in the casing: two-position three-way valve and air extractor; the shell is also provided with a sampling bottle and a power supply device; the inlet end of the two-position three-way valve is communicated with a sampling nozzle, and the outlet end of the two-position three-way valve is communicated with the sampling bottle; the air inlet of the air extracting device is communicated with the sampling bottle through an air extracting pipe; the power supply device is connected with the air exhaust device for supplying power; further comprising: the charging base is provided with the power supply device.
2. The automatic sampling device for liquid samples of claim 1 wherein a cap is mounted on the housing and a mouth of the sampling bottle is threadably mounted on the cap.
3. The automatic sampling device for the liquid sample according to claim 2, wherein a sampling tube is installed at the outlet end of the two-position three-way valve, and the sampling tube and the suction tube penetrate through the bottle cap and extend into the sampling bottle.
4. The automatic sampling device for liquid samples of claim 3, wherein the sampling tube end is mounted with a sample end assembly, the exhaust tube end is mounted with an exhaust end assembly, and the sample end assembly and the exhaust end assembly are both disposed in the sampling bottle.
5. The automatic sampling device for liquid samples of claim 1, wherein a one-way valve is mounted on the aspiration tube.
6. The automatic sampling device for liquid samples according to claim 1, characterized in that a switch is installed between the power supply device and the air suction device.
7. The automatic sampling device for liquid samples according to claim 1, wherein the charging base is provided with a sliding rail with a T-shaped cross section, the lower portion of the power supply device is provided with a matching sliding groove, the charging base is further provided with a protruding charging portion, the charging portion is provided with a charging port, the charging portion is arranged on one side of the sliding rail, the charging base on the other side of the sliding rail is provided with an elastic button, the lower portion of the power supply device is provided with a power interface, the power interface is in contact with the charging port for charging, and the lower portion of the power supply device on the other side of the power interface is abutted against the elastic button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011628424.4A CN112729955A (en) | 2020-12-30 | 2020-12-30 | Automatic sampling device for liquid samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011628424.4A CN112729955A (en) | 2020-12-30 | 2020-12-30 | Automatic sampling device for liquid samples |
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| Publication Number | Publication Date |
|---|---|
| CN112729955A true CN112729955A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011628424.4A Pending CN112729955A (en) | 2020-12-30 | 2020-12-30 | Automatic sampling device for liquid samples |
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| Country | Link |
|---|---|
| CN (1) | CN112729955A (en) |
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|---|---|---|---|---|
| CN101017121A (en) * | 2007-02-16 | 2007-08-15 | 广西大学 | Sampling method of liquid metal and device thereof |
| CN201490294U (en) * | 2009-05-04 | 2010-05-26 | 谢汉明 | Charger capable of replacing battery |
| CN103269868A (en) * | 2010-06-24 | 2013-08-28 | 艾利丹尼森公司 | Hand-held portable printer |
| CN104502161A (en) * | 2014-12-31 | 2015-04-08 | 郑州光力科技股份有限公司 | Calibration equipment of dust sampler |
| CN209001607U (en) * | 2018-09-06 | 2019-06-18 | 萧建棠 | Cradle with double Bluetooth functions |
| CN209547996U (en) * | 2018-10-25 | 2019-10-29 | 潍坊华鼎电子技术有限公司 | A kind of X-ray machine exposure handbrake |
| CN210244528U (en) * | 2019-08-30 | 2020-04-03 | 南京社区集网络科技有限公司 | A sign indicating number device is swept to label for wisdom shopping |
| CN111089753A (en) * | 2019-12-30 | 2020-05-01 | 上海自动化仪表有限公司 | Automatic sampling device for liquid samples |
| CN211908430U (en) * | 2020-04-30 | 2020-11-10 | 泉州凯利电子有限公司 | A charger |
| CN112007268A (en) * | 2020-09-30 | 2020-12-01 | 广东时光颜究所美容科技有限公司 | Beauty instrument and beauty instrument assembly |
-
2020
- 2020-12-30 CN CN202011628424.4A patent/CN112729955A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017121A (en) * | 2007-02-16 | 2007-08-15 | 广西大学 | Sampling method of liquid metal and device thereof |
| CN201490294U (en) * | 2009-05-04 | 2010-05-26 | 谢汉明 | Charger capable of replacing battery |
| CN103269868A (en) * | 2010-06-24 | 2013-08-28 | 艾利丹尼森公司 | Hand-held portable printer |
| CN104502161A (en) * | 2014-12-31 | 2015-04-08 | 郑州光力科技股份有限公司 | Calibration equipment of dust sampler |
| CN209001607U (en) * | 2018-09-06 | 2019-06-18 | 萧建棠 | Cradle with double Bluetooth functions |
| CN209547996U (en) * | 2018-10-25 | 2019-10-29 | 潍坊华鼎电子技术有限公司 | A kind of X-ray machine exposure handbrake |
| CN210244528U (en) * | 2019-08-30 | 2020-04-03 | 南京社区集网络科技有限公司 | A sign indicating number device is swept to label for wisdom shopping |
| CN111089753A (en) * | 2019-12-30 | 2020-05-01 | 上海自动化仪表有限公司 | Automatic sampling device for liquid samples |
| CN211908430U (en) * | 2020-04-30 | 2020-11-10 | 泉州凯利电子有限公司 | A charger |
| CN112007268A (en) * | 2020-09-30 | 2020-12-01 | 广东时光颜究所美容科技有限公司 | Beauty instrument and beauty instrument assembly |
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Address after: 200072 building 7, 191 Guangzhong West Road, Jing'an District, Shanghai Applicant after: SHANGHAI AUTOMATION INSTRUMENTATION Co.,Ltd. Applicant after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Address before: 200072 building 7, 191 Guangzhong West Road, Jing'an District, Shanghai Applicant before: SHANGHAI AUTOMATION INSTRUMENTATION Co.,Ltd. Applicant before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20210430 |