CN204346897U - A kind of automatic cleaning and sampling device being applicable to photometry - Google Patents
A kind of automatic cleaning and sampling device being applicable to photometry Download PDFInfo
- Publication number
- CN204346897U CN204346897U CN201420829700.7U CN201420829700U CN204346897U CN 204346897 U CN204346897 U CN 204346897U CN 201420829700 U CN201420829700 U CN 201420829700U CN 204346897 U CN204346897 U CN 204346897U
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- mouth
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- diverter valve
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- way diverter
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Abstract
The utility model relates to inspection Instrument technology field, particularly relate to a kind of automatic cleaning and the sampling device that are applicable to photometry, its structure comprises screw rod driving device, syringe, sample feeding pipe, sewer pipe, feed liquor house steward, the first three-way diverter valve, the second three-way diverter valve and controller.The utility model achieves auto injection and the flushing work of contrast colors ware quickly and accurately, without the need to manual operation, substantially increase testing efficiency, and can Quality control solution and cleaning fluid can not overflow outside cuvette, reviewer is avoided to contact poisonous and harmful substance and gas, its security performance is better, has good market application foreground.
Description
Technical field
The utility model relates to inspection Instrument technology field, particularly relates to a kind of automatic cleaning and the sampling device that are applicable to photometry.
Background technology
Spectrophotometric method from appearance since, have a great development in application aspect, because various inorganics and organism have absorption in UV, visible light region, therefore all can method be measured whereby.In food service industry, ultraviolet-visible pectrophotometer, fluorospectrophotometer are widely used in, among food inspection, more and more being paid attention to.In GB5009 series standard, spectrophotometer account for greatly.
The main detecting instrument adopted in spectrophotometric method is cuvette, there is following problem in it: 1) needs operating personnel that sample is loaded cuvette during test, cuvette is cleaned again after test, when measuring a series of sample, the repetitive operation at substantial time of dress sample and cleaning, cause detection efficiency low; 2) because cuvette is smaller, easily overflow, stain the surface of cuvette during note sample, when sample solution is containing toughness, cuvette wiping is clean, such that cuvette surface hazes, skinning, causes testing result inaccurate; 3) measure colour developing time, various poisonous and harmful reagent need be added, can touch when operating personnel fill sample sample solution or suck sample solution volatilize poisonous and harmful and irritative gas, health is worked the mischief.
Summary of the invention
The purpose of this utility model be to avoid weak point of the prior art and provide a kind of fast, safety and the high automatic cleaning being applicable to photometry of accuracy in detection and sampling device.
The purpose of this utility model is achieved through the following technical solutions:
A kind of automatic cleaning and the sampling device that are applicable to photometry are provided, comprise:
Screw rod driving device, it comprises base, be arranged at the guide rail of described base and screw mandrel, lead screw motor and the sliding seat that is spirally connected with described screw mandrel;
Syringe, it comprises cylindrical shell and pumping rod, described cylindrical shell is fixed on described base, described pumping rod is fixed on sliding seat, described syringe is provided with two, be respectively the first syringe and the second syringe, the cylindrical shell end of described first syringe is connected with the first conduit, and the cylindrical shell end of described second syringe is connected with the second conduit;
Sample feeding pipe, its one end is arranged at sampling receptacle, its other end and described first tubes connection;
Sewer pipe, its one end is arranged at waste fluid container, its other end and described second tubes connection;
Feed liquor house steward, its one end is arranged at the bottom of cuvette, its other end respectively with described first conduit and the second tubes connection;
First three-way diverter valve, it comprises a1 mouth, a2 mouth and a3 mouth, and described a1 mouth is communicated with described first conduit, and described a2 mouth is communicated with described sample feeding pipe, and described a3 mouth is communicated with described feed liquor house steward;
Second three-way diverter valve, it comprises b1 mouth, b2 mouth and b3 mouth, and described b1 mouth is communicated with described second conduit, and described b2 mouth is communicated with described sewer pipe, and described b3 mouth is communicated with described feed liquor house steward;
Controller, it is electrically connected with described screw rod driving device.
Preferably, described first three-way diverter valve and the second three-way diverter valve are solenoid directional control valve, and described first three-way diverter valve and the second three-way diverter valve are all electrically connected with described controller.
Preferably, described base is provided with travel switch, and described travel switch is electrically connected with described controller.
Preferably, described sliding seat offers the first draw-in groove and the second draw-in groove, and the pumping rod of described first syringe is fixed in described first draw-in groove, and the pumping rod of described second syringe is fixed in described second draw-in groove.
Preferably, described feed liquor house steward by three-way pipe respectively with described first conduit and the second tubes connection.
the beneficial effects of the utility model:
Of the present utility model a kind of be applicable to photometry automatic cleaning and sampling device work time, lead screw motor drives sliding seat to move, and drive the pumping rod of the first syringe and the second syringe to do pulling motion to the direction away from cylindrical shell, now, a1 mouth and the a2 mouth of the first three-way diverter valve are opened, a3 mouth is closed, b1 and the b3 mouth of the second three-way diverter valve is opened, b2 mouth is closed, first syringe extracts testing sample or cleaning fluid in cylindrical shell by the first conduit and sample feeding pipe from sampling receptacle, the sample waste tested in cuvette or cleaning waste liquid are extracted in cylindrical shell by the second conduit and feed liquor house steward by the second syringe simultaneously, then, lead screw motor drives sliding seat to mobile in the other direction, and drive the pumping rod of the first syringe and the second syringe to do propelling action to the direction near cylindrical shell, now, a1 mouth and the a3 mouth of the first three-way diverter valve are opened, a2 mouth is closed, b1 and the b2 mouth of the second three-way diverter valve is opened, b23 mouth is closed, testing sample in cylinder or cleaning fluid are injected in cuvette by the first conduit and feed liquor house steward by the first syringe, simultaneously, sample waste in cylinder or cleaning waste liquid are injected in waste fluid container by the second conduit and sewer pipe by the second syringe, thus complete auto injection and the cleaning of a cuvette.Compared with prior art, the utility model achieves auto injection and the flushing work of contrast colors ware quickly and accurately, without the need to manual operation, substantially increase testing efficiency, and can Quality control solution and cleaning fluid can not overflow outside cuvette, reviewer is avoided to contact poisonous and harmful substance and gas, its security performance is better, this device can be arranged in various photometer, color comparator, be applicable to the cuvette of all size, and without the need to transforming cuvette, to instrument without destruction, do not affect the accuracy of equipment, it has good market application foreground.
Accompanying drawing explanation
Utilize accompanying drawing to be described further the utility model, but the content in accompanying drawing is not formed any restriction of the present utility model.
Fig. 1 is of the present utility modelly a kind ofly applicable to the automatic cleaning of photometry and the structural representation of sampling device.
Reference numeral:
Screw rod driving device 1, base 11, sliding seat 12, lead screw motor 13;
First syringe 2, cylindrical shell 21, pumping rod 22;
Second syringe 3;
First conduit 4;
Second conduit 5;
Sample feeding pipe 6, sampling receptacle 61;
Sewer pipe 7, waste fluid container 71;
Feed liquor house steward 8, cuvette 9;
First three-way diverter valve 101;
Second three-way diverter valve 102.
Embodiment
With the following Examples and accompanying drawing the utility model is described in further detail.
A kind of automatic cleaning and sampling device being applicable to photometry of the present utility model, as shown in Figure 1, comprising:
Screw rod driving device 1, it comprises base 11, be arranged at the guide rail of base 11 and screw mandrel, lead screw motor 13 and the sliding seat 12 that is spirally connected with screw mandrel;
Syringe, it comprises cylindrical shell 21 and pumping rod 22, it comprises cylindrical shell 21 and pumping rod 22, cylindrical shell 21 is fixed on base 11, pumping rod 22 is fixed on sliding seat 12, and syringe is provided with two, is respectively the first syringe 2 and the second syringe 3, cylindrical shell 21 end that cylindrical shell 21 end of the first syringe 2 is connected with the first conduit 4, second syringe 3 is connected with the second conduit 5;
Sample feeding pipe 6, its one end is arranged at sampling receptacle 61, and its other end is connected with the first conduit 4;
Sewer pipe 7, its one end is arranged at waste fluid container 71, and its other end is connected with the second conduit 5;
Feed liquor house steward 8, its one end is arranged at the bottom of cuvette 9, and its other end is connected with the first conduit 4 and the second conduit 5 respectively;
First three-way diverter valve 101, it comprises a1 mouth, a2 mouth and a3 mouth, and a1 mouth is communicated with the first conduit 4, and a2 mouth is communicated with sample feeding pipe 6, and a3 mouth is communicated with feed liquor house steward 8;
Second three-way diverter valve 102, it comprises b1 mouth, b2 mouth and b3 mouth, and b1 mouth is communicated with the second conduit 5, and b2 mouth is communicated with sewer pipe 7, and b3 mouth is communicated with feed liquor house steward 8;
Controller, it is electrically connected with screw rod driving device 1.
Concrete, first three-way diverter valve 101 and the second three-way diverter valve 102 are solenoid directional control valve, first three-way diverter valve 101 and the second three-way diverter valve 102 are all electrically connected with controller, thus automatically can control the opening and closing of the first three-way diverter valve 101 and each outlet of the second three-way diverter valve 102.
Concrete; base 11 is provided with travel switch; travel switch is electrically connected with controller; the syringe specification of respective volume is adopted according to cuvette 9 amount of capacity; and according to the position of the capacity of the sample solution of required test and cleaning fluid adjustment stroke switch in advance; guaranteed the sliding stroke of sliding seat 12, thus ensure inject the sample solution of cuvette 9 and cleaning fluid can not overflow cuvette 9.
Concrete, sliding seat 12 offers the first draw-in groove and the second draw-in groove, the pumping rod 22 of the first syringe 2 is fixed in the first draw-in groove, the pumping rod 22 of the second syringe 3 is fixed in the second draw-in groove, carries out pull or action of injection to make the pumping rod 22 of the first syringe 2 and the second bronze medal pin along with moving of sliding seat 12.
Concrete, feed liquor house steward 8 is connected with the first conduit 4 and the second conduit 5 respectively by three-way pipe.
Its principle of work is as follows:
When automatically cleaning, lead screw motor 13 drives sliding seat 12 to move, and drive the pumping rod 22 of the first syringe 2 and the second syringe 3 to do pulling motion to the direction away from cylindrical shell 21, now, a1 mouth and the a2 mouth of the first three-way diverter valve 101 are opened, a3 mouth is closed, b1 and the b3 mouth of the second three-way diverter valve 102 is opened, b2 mouth is closed, first syringe 2 extracts cleaning fluid in cylindrical shell 21 by the first conduit 4 and sample feeding pipe 6 from sampling receptacle 61, and the sample waste tested in cuvette 9 is extracted in cylindrical shell 21 by the second conduit 5 and feed liquor house steward 8 by the second syringe 3 simultaneously, then, lead screw motor 13 drives sliding seat 12 to mobile in the other direction, and drive the pumping rod 22 of the first syringe 2 and the second syringe 3 to do propelling action to the direction near cylindrical shell 21, now, a1 mouth and the a3 mouth of the first three-way diverter valve 101 are opened, a2 mouth is closed, b1 and the b2 mouth of the second three-way diverter valve 102 is opened, b23 mouth is closed, cleaning fluid in cylinder is injected in cuvette 9 by the first conduit 4 and feed liquor house steward 8 and cleans by the first syringe 2, simultaneously, sample waste in cylinder is injected in waste fluid container 71 by the second conduit 5 and sewer pipe 7 by the second syringe 3, thus complete once cleaning automatically.
When auto injection, lead screw motor 13 drives sliding seat 12 to move, and drive the pumping rod 22 of the first syringe 2 and the second syringe 3 to do pulling motion to the direction away from cylindrical shell 21, now, a1 mouth and the a2 mouth of the first three-way diverter valve 101 are opened, a3 mouth is closed, b1 and the b3 mouth of the second three-way diverter valve 102 is opened, b2 mouth is closed, first syringe 2 extracts testing sample in cylindrical shell 21 by the first conduit 4 and sample feeding pipe 6 from sampling receptacle 61, the cleaning waste liquid cleaned in cuvette 9 is extracted in cylindrical shell 21 by the second conduit 5 and feed liquor house steward 8 by the second syringe 3 simultaneously, then, lead screw motor 13 drives sliding seat 12 to mobile in the other direction, and drive the pumping rod 22 of the first syringe 2 and the second syringe 3 to do propelling action to the direction near cylindrical shell 21, now, a1 mouth and the a3 mouth of the first three-way diverter valve 101 are opened, a2 mouth is closed, b1 and the b2 mouth of the second three-way diverter valve 102 is opened, b23 mouth is closed, testing sample in cylinder is injected to cuvette 9 by the first conduit 4 and feed liquor house steward 8 and carries out next round detection by the first syringe 2, simultaneously, cleaning waste liquid in cylinder is injected in waste fluid container 71 by the second conduit 5 and sewer pipe 7 by the second syringe 3, thus complete an auto injection job.
Compared with prior art, the utility model achieves sample introduction and the flushing work of contrast colors ware 9 quickly and accurately, without the need to manual operation, substantially increase testing efficiency, and solution can be controlled can not overflow outside cuvette 9, reviewer is avoided to contact poisonous and harmful substance and gas, its security performance is better, this device can be arranged in various photometer, color comparator, be applicable to the cuvette 9 of all size, and without the need to transforming cuvette 9, to instrument without destruction, do not affect the accuracy of equipment, it has good market application foreground.
Claims (5)
1. be applicable to automatic cleaning and the sampling device of photometry, it is characterized in that: comprising:
Screw rod driving device, it comprises base, be arranged at the guide rail of described base and screw mandrel, lead screw motor and the sliding seat that is spirally connected with described screw mandrel;
Syringe, it comprises cylindrical shell and pumping rod, described cylindrical shell is fixed on described base, described pumping rod is fixed on sliding seat, described syringe is provided with two, be respectively the first syringe and the second syringe, the cylindrical shell end of described first syringe is connected with the first conduit, and the cylindrical shell end of described second syringe is connected with the second conduit;
Sample feeding pipe, its one end is arranged at sampling receptacle, its other end and described first tubes connection;
Sewer pipe, its one end is arranged at waste fluid container, its other end and described second tubes connection;
Feed liquor house steward, its one end is arranged at the bottom of cuvette, its other end respectively with described first conduit and the second tubes connection;
First three-way diverter valve, it comprises a1 mouth, a2 mouth and a3 mouth, and described a1 mouth is communicated with described first conduit, and described a2 mouth is communicated with described sample feeding pipe, and described a3 mouth is communicated with described feed liquor house steward;
Second three-way diverter valve, it comprises b1 mouth, b2 mouth and b3 mouth, and described b1 mouth is communicated with described second conduit, and described b2 mouth is communicated with described sewer pipe, and described b3 mouth is communicated with described feed liquor house steward;
Controller, it is electrically connected with described screw rod driving device.
2. a kind of automatic cleaning and sampling device being applicable to photometry according to claim 1, it is characterized in that: described first three-way diverter valve and the second three-way diverter valve are solenoid directional control valve, described first three-way diverter valve and the second three-way diverter valve are all electrically connected with described controller.
3. a kind of automatic cleaning and sampling device being applicable to photometry according to claim 1, it is characterized in that: described base is provided with travel switch, described travel switch is electrically connected with described controller.
4. a kind of automatic cleaning and sampling device being applicable to photometry according to claim 1, it is characterized in that: described sliding seat offers the first draw-in groove and the second draw-in groove, the pumping rod of described first syringe is fixed in described first draw-in groove, and the pumping rod of described second syringe is fixed in described second draw-in groove.
5. a kind of automatic cleaning and sampling device being applicable to photometry according to claim 1, is characterized in that: described feed liquor house steward by three-way pipe respectively with described first conduit and the second tubes connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829700.7U CN204346897U (en) | 2014-12-24 | 2014-12-24 | A kind of automatic cleaning and sampling device being applicable to photometry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420829700.7U CN204346897U (en) | 2014-12-24 | 2014-12-24 | A kind of automatic cleaning and sampling device being applicable to photometry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204346897U true CN204346897U (en) | 2015-05-20 |
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ID=53230158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420829700.7U Expired - Fee Related CN204346897U (en) | 2014-12-24 | 2014-12-24 | A kind of automatic cleaning and sampling device being applicable to photometry |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204346897U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251740A (en) * | 2015-09-30 | 2016-01-20 | 太仓创造电子有限公司 | Device and method for eliminating memory effect of water quality online analyzer |
| CN106841153A (en) * | 2017-03-29 | 2017-06-13 | 核工业理化工程研究院 | Micro-uranium analyzer |
| CN108254516A (en) * | 2016-12-29 | 2018-07-06 | 湖南省计量检测研究院 | Automatic sampling detection device |
| CN109060661A (en) * | 2018-09-03 | 2018-12-21 | 仝佳平 | A kind of UV, visible light automatic sampling cleaning equipment and control method |
| CN109633184A (en) * | 2018-10-29 | 2019-04-16 | 周国敏 | A kind of automatic sampling cleaning equipment |
| CN114669565A (en) * | 2022-03-25 | 2022-06-28 | 杭州奥盛仪器有限公司 | Waste liquid treatment system and treatment method |
-
2014
- 2014-12-24 CN CN201420829700.7U patent/CN204346897U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105251740A (en) * | 2015-09-30 | 2016-01-20 | 太仓创造电子有限公司 | Device and method for eliminating memory effect of water quality online analyzer |
| CN108254516A (en) * | 2016-12-29 | 2018-07-06 | 湖南省计量检测研究院 | Automatic sampling detection device |
| CN106841153A (en) * | 2017-03-29 | 2017-06-13 | 核工业理化工程研究院 | Micro-uranium analyzer |
| CN109060661A (en) * | 2018-09-03 | 2018-12-21 | 仝佳平 | A kind of UV, visible light automatic sampling cleaning equipment and control method |
| CN109060661B (en) * | 2018-09-03 | 2023-08-29 | 中国人民解放军陆军勤务学院 | Ultraviolet-visible automatic sample injection cleaning equipment and control method |
| CN109633184A (en) * | 2018-10-29 | 2019-04-16 | 周国敏 | A kind of automatic sampling cleaning equipment |
| CN109633184B (en) * | 2018-10-29 | 2022-04-19 | 周国敏 | Automatic advance a kind cleaning equipment |
| CN114669565A (en) * | 2022-03-25 | 2022-06-28 | 杭州奥盛仪器有限公司 | Waste liquid treatment system and treatment method |
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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: 20150520 Termination date: 20171224 |