CN201449368U - Sample-introducing and cleaning device for comprehensive analyzer - Google Patents
Sample-introducing and cleaning device for comprehensive analyzer Download PDFInfo
- Publication number
- CN201449368U CN201449368U CN2009200614154U CN200920061415U CN201449368U CN 201449368 U CN201449368 U CN 201449368U CN 2009200614154 U CN2009200614154 U CN 2009200614154U CN 200920061415 U CN200920061415 U CN 200920061415U CN 201449368 U CN201449368 U CN 201449368U
- Authority
- CN
- China
- Prior art keywords
- colorimetric pool
- colorimetric
- peristaltic pump
- sample introduction
- peristaltic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides a sample-introducing and cleaning device for a comprehensive analyzer, comprising a sample-introducing pipe, a colorimetric pool apparatus, a creeping pump unit and a drainage pipe, which are connected in order, the colorimetric pool apparatus is a flowing colorimetric pool apparatus, and the colorimetric pool apparatus and the creeping pumping unit are connected with a control circuit.The colorimetric pool apparatus comprises a colorimetric pool body, a radiator, a preamplifier, a fixed block and a colorimetric pool support, the colorimetric pool body comprises a colorimetric window, a temperature sensor, a colorimetric pool inlet and a colorimetric pool outlet, and the creeping pump unit comprises an water inlet of the creeping pump, a pump pipe, a pump body, a keep plate, a motor of the creeping pump and a water outlet of the creeping pump. The sample-introducing and cleaning device can greatly improve the precision and the detection threshold of the instrument, the sample detection cross pollution ratio is smaller than that in the conventional cuvette test, the sample and reagent consumption can be reduced, the semi-automatic sample-introduction and the full-automatic flowing colorimetric pool body cleaning can be realized, and the use efficiency and practicability of the foodstuff comprehensive analyzer can be improved.
Description
Technical field
The utility model relates to a kind of auto injection and cleaning device, be particularly related to a kind of auto injection and cleaning device that fast quantification detects the food security synthesis analyzer of food poisonous and harmful substance that be used for, the auto injection and the cleaning device that adopt flow colorimetric pond device and peristaltic-type pump arrangement to realize especially.
Background technology
At present, be used in the food security synthesis analyzer of qualitative and quantitative analysis food poisonous and harmful substance, the general fixedly cuvette that adopts of the cuvette (having another name called: absorption cell, sample cell, colorimetric pool) that is used for adorning reference liquid, sample liquid, common fixedly cuvette have two kinds of glass cuvette (visible light series) and quartz colorimetric utensils (ultraviolet-visible series).Glass cuvette is carried out the sample colorimetric and is had following shortcoming: (1) production technology difference, and the price cheapness causes the empty cuvette transmission value of each producer inhomogeneous; (2) each cuvette pairing deviate is big; (3) different sample liquid are easy to generate cross pollution after colorimetric; (4) after long-time the use, will have the color spot that influences transmissivity, influence factor is bigger, directly influences the test performance of instrument; (5) frangible in the use, amount of detector reagent is more.There is following shortcoming in quartz colorimetric utensil: frangible in (1) use, amount of detector reagent is more; (2) instrument pairing deviate requires high; (3) different sample liquid are easy to generate cross pollution after colorimetric.
Common cleaning way has ultrasonic cleaning and manually cleans two kinds, but will exist certain artifical influence factor to cause cleaning not thorough in cleaning process, thereby causes fixedly cuvette testing result poor stability of long-term use.
The utility model content
The shortcoming that the purpose of this utility model is to overcome prior art provides a kind of simple and reasonable for structure with not enough, and the automaticity height can be realized auto injection, the sample introduction that is used for synthesis analyzer and the cleaning device that clean automatically.
The purpose of this utility model is achieved through the following technical solutions: a kind of sample introduction and cleaning device that is used for synthesis analyzer, comprise sample introduction pipe, colorimetric pool device, peristaltic-type pump arrangement and discharging tube, described sample introduction pipe, colorimetric pool device, peristaltic-type pump arrangement are connected successively with discharging tube, and described colorimetric pool device is the flow colorimetric pond device; Described colorimetric pool device all is connected with control circuit with peristaltic-type pump arrangement.
For the better the utility model of realizing, described colorimetric pool device comprises colorimetric pool body, heating radiator, prime amplifier, fixed block and colorimetric pool support, and described colorimetric pool body places in the fixed block, and is fixed on the colorimetric pool support by fixed block; Described prime amplifier is arranged on the front end of colorimetric pool body, and is connected with fixed block; At the external temperature control component that is provided with of colorimetric pool, and be connected with the colorimetric pool body; Described heating radiator is fixed on the colorimetric pool support; Described colorimetric pool body all is connected with control circuit with prime amplifier.
Described colorimetric pool body comprises colorimetric window, temperature sensor, colorimetric pool inlet and colorimetric pool outlet, and described colorimetric pool body base is provided with fixed screw, and is fixed in the fixed block by fixed screw; Described temperature sensor is located on the colorimetric pool body diapire, and is connected with temperature control component;
Described colorimetric pool body sidewall is provided with cavernous structure, and the colorimetric window is located at the outside of cavernous structure, and is fixed on the colorimetric pool body; Described colorimetric pool inlet and colorimetric pool outlet be each connecting tube all, and the pipeline other end all is communicated with cavernous structure, and is communicated with the colorimetric window by cavernous structure; Described colorimetric window is corresponding with the position of prime amplifier;
Described colorimetric pool inlet and colorimetric pool outlet all are located at colorimetric pool body upper end; Described colorimetric pool inlet is connected with the sample introduction pipe, and described colorimetric pool outlet is connected with peristaltic-type pump arrangement; Described colorimetric window is connected with control circuit.
Be connected with positioning pipe and stationary pipes between described sample introduction pipe and the colorimetric pool inlet, described positioning pipe is connected with stationary pipes.
Described peristaltic-type pump arrangement comprises peristaltic pump water inlet, pump line, the pump housing, pressure strip, peristaltic pump motor and peristaltic pump water delivering orifice, described pump line is connected with the peristaltic pump water delivering orifice with the peristaltic pump water inlet respectively, and place between the pump housing and the pressure strip, described peristaltic pump motor is connected with the pump housing; The described pump housing is installed on the peristaltic pump installing plate; Described peristaltic pump water inlet and peristaltic pump water delivering orifice are installed on peristaltic pump installing plate or the peristaltic pump installing plate side plate;
Described peristaltic pump water inlet is connected by pipeline with the colorimetric pool outlet, and described peristaltic pump water delivering orifice is connected with discharging tube; Described peristaltic pump motor is connected with control circuit.
Described peristaltic pump installing plate is provided with adjusting screw, and adjusting screw is connected with pressure strip; Described pressure strip by screw retention on the peristaltic pump installing plate.
Described colorimetric pool body is the flow colorimetric pond body.
Described temperature control component is a peltier-element.
The number of described temperature sensor is one or more, and with temperature control component by being electrically connected.
Action principle of the present utility model is: control circuit starts the colorimetric pool device, and fluid to be measured enters the colorimetric pool inlet by the sample introduction pipe and sucks in the colorimetric pool body.After sucking the sample size that the measurement project sets, fluid to be measured is stayed in the colorimetric window in the colorimetric pool body, and temperature sensor will start the constant temperature function automatically and prepare to measure.After to be measured the finishing, control circuit control also drives the rotation of peristaltic pump motor, the pressure strip of peristaltic pump compresses pump line in conjunction with adjusting screw, fluid to be measured in the pipeline is pushed towards the peristaltic pump water delivering orifice, fluid to be measured in the colorimetric pool body is passed through peristaltic pump water delivering orifice and the automatic clean-drain of discharging tube, reduce cross pollution, wait for next time and measuring.
The utility model compared with prior art has following advantage and beneficial effect:
(1) device of the present utility model can increase substantially the precision and the detectability of instrument, sample detection cross pollution rate is tested much smaller than traditional cuvette, reduce sample and reagent consumption (be about fixedly the required amount of reagent of cuvette device 10%～30%), can realize semi-automatic sample introduction and the full-automatic flow colorimetric pond body that cleans, improve the service efficiency and the practicality of food synthetic analyser.
(2) device of the present utility model can provide the advantage of flow colorimetric pond colorimetric, can keep the fixedly advantage of cuvette colorimetric again, can realize exchange of robotization and intelligent data and network monitoring, thus the monitoring of more effective raising food security.
(3) device of the present utility model can solve the fixedly defective of cuvette existence effectively, and instrument pairing deviate is little, cleans more thorough.
Description of drawings
Fig. 1 is the structural representation of sample introduction of the present utility model and cleaning device.
Fig. 2 is the concrete structure figure of the colorimetric pool device of device shown in Figure 1.
Fig. 3 is the concrete structure figure of the colorimetric pool body of device shown in Figure 2.
Fig. 4 is the concrete structure figure of the peristaltic-type pump arrangement of device shown in Figure 1.
Among each figure: 1. sample feeding pipe 2. positioning pipes 3. stationary pipes 4. colorimetric pool entrances 5. colorimetric pools export 6. colorimetric windows, 7. temperature sensors, 8. fixed screws, 9. peristaltic pump water inlets, 10. pump lines, 11. pump housings, 12. pressure strips, 13. set screw, 14. peristaltic pump motors, 15. peristaltic pump delivery ports, 16. discharging tubes, 17. colorimetric pool bodies, 18. radiators, 19. peltier-element, 20. plugs, one 21. fixed blocks, 22. fixed block screws, 23. spring-loaded governors, 24. fixing lock 25. preamplifiers 26. plugs 2 27. plugs 3 28. installing plate side plates 29. screws
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Fig. 1～4 show the concrete structure figure of present embodiment, as shown in Figure 1, originally the sample introduction and the cleaning device that are used for synthesis analyzer, comprise sample introduction pipe 1, colorimetric pool device, peristaltic-type pump arrangement and discharging tube 16, described sample introduction pipe 1, colorimetric pool device, peristaltic-type pump arrangement and discharging tube 16 are connected successively, and described colorimetric pool device is the flow colorimetric pond device; Described colorimetric pool device all is connected with control circuit with peristaltic-type pump arrangement.
As shown in Figure 2, the colorimetric pool device comprises colorimetric pool body 17, heating radiator 18, prime amplifier 25, fixed block 21 and colorimetric pool support, and colorimetric pool body 17 places in the fixed block 21, and is fixed on the colorimetric pool support by fixed block 21; Prime amplifier 25 is arranged on the front end of colorimetric pool body 17, and is connected with fixed block 21; Outside colorimetric pool body 17, be provided with temperature control component, and be connected with colorimetric pool body 17; Described heating radiator 18 is fixed on the colorimetric pool support.Fixed block 21 is fixed on the colorimetric pool support by fixed block screw 22, spring-loaded governor 23 and pin 24.Colorimetric window 6 on the colorimetric pool body 17 is connected with plug 1, is connected with plug 2 26 and plug 3 27 on the prime amplifier 25, and plug 1, plug 2 26 and plug 3 27 all are connected with control circuit.
As shown in Figure 3, colorimetric pool body 17 comprises colorimetric window 6, temperature sensor 7, colorimetric pool inlet 4 and colorimetric pool outlet 5, and colorimetric pool body base is provided with fixed screw 8, and is fixed in the fixed block 21 by fixed screw 8; Temperature sensor 7 is located on colorimetric pool body 17 diapires, and its number is two, and with peltier-element 19 by being electrically connected; Colorimetric pool body 17 sidewalls are provided with cavernous structure, and colorimetric window 6 is located at the outside of cavernous structure, and are fixed on the colorimetric pool body 17; Colorimetric pool inlet 4 all respectively is connected a pipeline with colorimetric pool outlet 5, and the other end of two pipelines all is communicated with cavernous structure, and is communicated with colorimetric window 6 by cavernous structure, and then so that colorimetric pool enter the mouth 4 and colorimetric pool export 5 and be connected with colorimetric window 6; The position of colorimetric window 6 is corresponding with the position of prime amplifier 25; Colorimetric pool inlet 4 and colorimetric pool outlet 5 all are located at colorimetric pool body 17 upper ends; Colorimetric pool inlet 4 is connected with sample introduction pipe 1, and colorimetric pool outlet 5 is connected with peristaltic-type pump arrangement.
As shown in Figure 1, be connected with positioning pipe 2 and stationary pipes 3 between sample introduction pipe 1 and the colorimetric pool inlet 4, described positioning pipe 2 is connected with stationary pipes 3.
As shown in Figure 4, peristaltic-type pump arrangement comprises peristaltic pump water inlet 9, pump line 10, the pump housing 11, pressure strip 12, peristaltic pump motor 14 and peristaltic pump water delivering orifice 15, pump line 10 is connected with peristaltic pump water delivering orifice 15 with peristaltic pump water inlet 9 respectively, and place between the pump housing 11 and the pressure strip 12, peristaltic pump motor 14 is connected with the pump housing 11; The pump housing 11 is installed on the peristaltic pump installing plate, and the peristaltic pump installing plate is provided with adjusting screw 13, and adjusting screw 13 is connected with pressure strip 12; Pressure strip 12 is installed on the peristaltic pump installing plate by screw 29.
Peristaltic pump water inlet 9 and peristaltic pump water delivering orifice 15 are installed on the peristaltic pump installing plate, and pass aperture on the peristaltic pump installing plate side plate 28, and then be installed on the installing plate side plate, so that peristaltic pump water inlet 9 and colorimetric pool outlet 5 is connected by pipeline, peristaltic pump water delivering orifice 15 is connected with discharging tube 16.
The action principle of present embodiment: control circuit starts the colorimetric pool device, fluid to be measured enters colorimetric pool inlet 4 by sample introduction pipe 1 and sucks in the colorimetric pool body 17. after the sample size that suction measurement project sets, fluid to be measured is through colorimetric pool inlet 4, pipeline, the cavernous structure of colorimetric pool body 17 sidewalls, and then enter the colorimetric window, and stay in the colorimetric window in the colorimetric pool body, temperature sensor 7 will start the constant temperature function automatically and prepare to measure. after to be measured the finishing, control circuit control also drives 14 rotations of peristaltic pump motor, fluid to be measured is through the cavernous structure of colorimetric pool body sidewall, pipeline, colorimetric pool exports 5, and enters the peristaltic pump water inlet through pipeline; Regulating and controlling screw 13, so that the pressure strip 12 of peristaltic pump compresses pump line, the fluid to be measured in the pipeline is pushed towards the peristaltic pump water delivering orifice, fluid to be measured in the colorimetric pool body is passed through peristaltic pump water delivering orifice and the automatic clean-drain of discharging tube, reduce cross pollution, wait for next time and measuring.
Present embodiment except that following characteristics with embodiment 1: on the colorimetric pool body, only be provided with a temperature sensor; Described peristaltic pump water inlet and peristaltic pump water delivering orifice all are arranged on the peristaltic pump installing plate front, and the peristaltic pump water inlet is vertical with the peristaltic pump installing plate with peristaltic pump water delivering orifice direction.
The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (9)
1. a sample introduction and cleaning device that is used for synthesis analyzer, it is characterized in that: comprise sample introduction pipe, colorimetric pool device, peristaltic-type pump arrangement and discharging tube, described sample introduction pipe, colorimetric pool device, peristaltic-type pump arrangement are connected successively with discharging tube, and described colorimetric pool device is the flow colorimetric pond device; Described colorimetric pool device all is connected with control circuit with peristaltic-type pump arrangement.
2. sample introduction and the cleaning device that is used for synthesis analyzer according to claim 1, it is characterized in that: described colorimetric pool device comprises colorimetric pool body, heating radiator, prime amplifier, fixed block and colorimetric pool support, described colorimetric pool body places in the fixed block, and is fixed on the colorimetric pool support by fixed block; Described prime amplifier is arranged on the front end of colorimetric pool body, and is connected with fixed block; At the external temperature control component that is provided with of colorimetric pool, and be connected with the colorimetric pool body; Described heating radiator is fixed on the colorimetric pool support; Described colorimetric pool body all is connected with control circuit with prime amplifier.
3. sample introduction and the cleaning device that is used for synthesis analyzer according to claim 2, it is characterized in that: described colorimetric pool body comprises colorimetric window, temperature sensor, colorimetric pool inlet and colorimetric pool outlet, described colorimetric pool body base is provided with fixed screw, and is fixed in the fixed block by fixed screw; Described temperature sensor is located on the colorimetric pool body diapire, and is connected with temperature control component;
Described colorimetric pool body sidewall is provided with cavernous structure, and the colorimetric window is located at the outside of cavernous structure, and is fixed on the colorimetric pool body; Described colorimetric pool inlet and colorimetric pool outlet be each connecting tube all, and the pipeline other end all is communicated with cavernous structure, and is communicated with the colorimetric window by cavernous structure; Described colorimetric window is corresponding with the position of prime amplifier;
Described colorimetric pool inlet and colorimetric pool outlet all are located at colorimetric pool body upper end; Described colorimetric pool inlet is connected with the sample introduction pipe, and described colorimetric pool outlet is connected with peristaltic-type pump arrangement; Described colorimetric window is connected with control circuit.
4. sample introduction and the cleaning device that is used for synthesis analyzer according to claim 3 is characterized in that: be connected with positioning pipe and stationary pipes between described sample introduction pipe and the colorimetric pool inlet, described positioning pipe is connected with stationary pipes.
5. sample introduction and the cleaning device that is used for synthesis analyzer according to claim 1, it is characterized in that: described peristaltic-type pump arrangement comprises peristaltic pump water inlet, pump line, the pump housing, pressure strip, peristaltic pump motor and peristaltic pump water delivering orifice, described pump line is connected with the peristaltic pump water delivering orifice with the peristaltic pump water inlet respectively, and place between the pump housing and the pressure strip, described peristaltic pump motor is connected with the pump housing; The described pump housing is installed on the peristaltic pump installing plate; Described peristaltic pump water inlet and peristaltic pump water delivering orifice are installed on peristaltic pump installing plate or the peristaltic pump installing plate side plate;
Described peristaltic pump water inlet is connected by pipeline with the colorimetric pool outlet, and described peristaltic pump water delivering orifice is connected with discharging tube; Described peristaltic pump motor is connected with control circuit.
6. sample introduction and the cleaning device that is used for synthesis analyzer according to claim 5 is characterized in that: described peristaltic pump installing plate is provided with adjusting screw, and adjusting screw is connected with pressure strip; Described pressure strip by screw retention on the peristaltic pump installing plate.
7. according to each described sample introduction and cleaning device that is used for synthesis analyzer of claim 1～6, it is characterized in that: described colorimetric pool body is the flow colorimetric pond body.
8. according to each described sample introduction and cleaning device that is used for synthesis analyzer of claim 1～6, it is characterized in that: described temperature control component is a peltier-element.
9. according to each described sample introduction and cleaning device that is used for synthesis analyzer of claim 1～6, it is characterized in that: the number of described temperature sensor for one or more, and with temperature control component by being electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200614154U CN201449368U (en) | 2009-07-29 | 2009-07-29 | Sample-introducing and cleaning device for comprehensive analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200614154U CN201449368U (en) | 2009-07-29 | 2009-07-29 | Sample-introducing and cleaning device for comprehensive analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449368U true CN201449368U (en) | 2010-05-05 |
Family
ID=42554089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200614154U Expired - Fee Related CN201449368U (en) | 2009-07-29 | 2009-07-29 | Sample-introducing and cleaning device for comprehensive analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449368U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175607A (en) * | 2011-01-19 | 2011-09-07 | 重庆大学 | Small-sized multifunctional sample detection room |
| CN103424557A (en) * | 2012-05-14 | 2013-12-04 | 深圳市朗诚实业有限公司 | Biochemical analyzer |
| CN104654444A (en) * | 2013-11-18 | 2015-05-27 | 天津赛金节能科技有限公司 | Automatic radiator exhaust device with direct-evaporation humidification effect |
| CN105352892A (en) * | 2015-11-13 | 2016-02-24 | 福建师范大学 | A continuous-injection type infrared liquid sample chamber device and an infrared sample chamber |
| CN108072617A (en) * | 2016-11-18 | 2018-05-25 | 财团法人工业技术研究院 | residual poison 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 |
| CN111570454A (en) * | 2020-05-28 | 2020-08-25 | 苏州国溯科技有限公司 | Automatic cleaning system and method suitable for spectral analysis instrument |
-
2009
- 2009-07-29 CN CN2009200614154U patent/CN201449368U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102175607A (en) * | 2011-01-19 | 2011-09-07 | 重庆大学 | Small-sized multifunctional sample detection room |
| CN102175607B (en) * | 2011-01-19 | 2012-07-25 | 重庆大学 | Small-sized multifunctional sample detection room |
| CN103424557A (en) * | 2012-05-14 | 2013-12-04 | 深圳市朗诚实业有限公司 | Biochemical analyzer |
| CN103424557B (en) * | 2012-05-14 | 2014-07-16 | 深圳市朗诚实业有限公司 | Biochemical analyzer |
| CN104654444A (en) * | 2013-11-18 | 2015-05-27 | 天津赛金节能科技有限公司 | Automatic radiator exhaust device with direct-evaporation humidification effect |
| CN104654444B (en) * | 2013-11-18 | 2017-06-16 | 天津赛金节能科技有限公司 | A kind of radiator automatic exhaust device with directly evaporation humidification |
| CN105352892A (en) * | 2015-11-13 | 2016-02-24 | 福建师范大学 | A continuous-injection type infrared liquid sample chamber device and an infrared sample chamber |
| CN108072617A (en) * | 2016-11-18 | 2018-05-25 | 财团法人工业技术研究院 | residual poison 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 |
| 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 |
| CN111570454A (en) * | 2020-05-28 | 2020-08-25 | 苏州国溯科技有限公司 | Automatic cleaning system and method suitable for spectral analysis instrument |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201449368U (en) | Sample-introducing and cleaning device for comprehensive analyzer | |
| CN206431040U (en) | A kind of Automatic On-line ammonia Nitrogen Analyzer | |
| CN100561211C (en) | A kind of ammonia test method and device | |
| CN219284953U (en) | Device for measuring proton transmittance of membrane sample | |
| CN208588728U (en) | A kind of water conservancy water quality monitoring and remote supervisory equipment | |
| CN105527397A (en) | Intelligent gel based Pb2<+> microfluidics detection chip and detection method for Pb2<+> in water sample | |
| CN204086149U (en) | Water soluble acid tester | |
| CN203376015U (en) | Accurate optical quantitative metering device | |
| CN203519111U (en) | Photoelectric liquid level metering device | |
| CN100567953C (en) | A kind of sea water COD automatic detector | |
| CN207198137U (en) | Multi-channel flow passage switching device | |
| CN213302004U (en) | Water quality permanganate index on-line analyzer | |
| CN112378905B (en) | Accurate online monitoring method and system for ammonia content of ambient air | |
| CN201593993U (en) | Trace gas flowmeter for testing permeability of low-leakage stone | |
| CN109781458A (en) | A kind of water quality, which is adopted, to keep sample equipment and its adopts the method for keeping sample | |
| CN110146574A (en) | Underground water field sampling by filtration and dynamic water flow index determining device and measuring method | |
| CN201697681U (en) | Light control metering device | |
| TWM592966U (en) | Water quality monitoring system | |
| CN109709197B (en) | BOD rapid tester and accurate compensation testing method | |
| CN201780286U (en) | Light-operated metering device | |
| TW202238124A (en) | Water quality monitoring device capable of automatically cleaning sensor | |
| CN209589578U (en) | A kind of water quality detecting device | |
| CN214041135U (en) | Automatic water quality analyzer | |
| CN209148670U (en) | A kind of blowning installation that auxiliary TOC is anti-tampering | |
| CN113281233A (en) | Filter core detection device convenient to change and detect sample |
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 |
Granted publication date: 20100505 Termination date: 20160729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |