CN211741265U - Modularization quality of water on-line monitoring equipment - Google Patents
Modularization quality of water on-line monitoring equipment Download PDFInfo
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- CN211741265U CN211741265U CN202020469735.XU CN202020469735U CN211741265U CN 211741265 U CN211741265 U CN 211741265U CN 202020469735 U CN202020469735 U CN 202020469735U CN 211741265 U CN211741265 U CN 211741265U
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Abstract
The utility model relates to a water quality monitoring device, in particular to a modularized water quality on-line monitoring device, which comprises a case and a controller, wherein the case is hinged with a revolving door, and the modularized water quality on-line monitoring device also comprises a quantitative module for quantifying a reagent, a multi-way valve module which is connected with the quantitative module through a hard tube and is used for switching different reagent passages, a digestion module which is connected with the multi-way valve module through a hard tube and is used for digestion reaction, and a light source module which is fixed on the digestion module and is used for providing an observation light source for the digestion reaction; the technical scheme provided by the utility model can effectively overcome the relatively poor, the dismantlement of integration level that prior art exists and maintain inconvenient, because inertia leads to the liquid level actual height to be higher than the defect of required ration height.
Description
Technical Field
The utility model relates to a water quality monitoring equipment, concretely relates to modularization quality of water on-line monitoring equipment.
Background
The water quality monitoring is a process of measuring the types of pollutants in the water body, the concentrations and the variation trends of various pollutants and evaluating the water quality condition. The water quality monitoring range is wide, and the water quality monitoring range comprises natural water (rivers, lakes, seas and underground water) which is not polluted and is polluted, various industrial drainage water and the like.
The main monitoring projects can be divided into two main categories: one is a comprehensive index reflecting the water quality condition, such as items of temperature, chroma, conductivity, BOD, COD, ammonia nitrogen, total phosphorus, total nitrogen, turbidity, PH, dissolved oxygen and the like; the other is some toxic substances, such as phenol, cyanogen, arsenic, lead, chromium, cadmium, mercury, organic pesticides and the like. In order to objectively evaluate the water quality of rivers and oceans, it is sometimes necessary to measure the flow velocity and flow rate in addition to the above-described monitoring items.
The on-line automatic water quality monitor is an integrated on-line automatic monitoring equipment formed by using modern sensor technology, automatic measurement technology, automatic control circuit technology, computer application technology and network communication technology. The online automatic water quality monitor based on the spectrophotometry has the remarkable characteristics of low reagent consumption, high sensitivity, wide linear range, high repeatability and the like, and is widely applied to the monitoring field.
At present, the online automatic water quality monitor on the market has a complex structure, all parts are scattered, the integration level is poor, the operation of field operation and maintenance personnel is complex, the disassembly and the maintenance are inconvenient, and many parts cannot be used universally. In addition, because the motor keeps the same rotational speed all the time during the ration, after solution rises to required ration height, because inertia solution height can appear slight rise, the liquid level actual height is a bit higher than required ration height, leads to the ration to have the error.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the above-mentioned shortcoming that prior art exists, the utility model provides a modularization quality of water on-line monitoring equipment can effectively overcome the relatively poor, the dismantlement of integration level that prior art exists and maintain inconvenient, because inertia leads to the liquid level actual height to be higher than the defect of required ration height.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
the utility model provides a modularization quality of water on-line monitoring equipment, includes quick-witted case and controller, articulated on the quick-witted case have the revolving door, still including being used for carrying out quantitative module to the reagent, with quantitative module is through the multi-ported valve module that is used for switching different reagent passageways that the hard tube links to each other, with the multi-ported valve module is used for digesting the module of reacting through what the hard tube links to each other, is fixed in it provides the light source module who observes the light source for digesting the reaction to digest to be used for in the module.
Preferably, the quantitative module comprises a quantitative shell, a first tetrafluoro piece and a second tetrafluoro piece are respectively fixed in the quantitative shell, and the second tetrafluoro piece is connected with the multi-way valve module through a hard pipe;
a quantitative tube is fixed between the first tetrafluoro member and the second tetrafluoro member, an infrared metering plate is fixed on the quantitative shell, infrared sensors for detecting the liquid level height in the quantitative tube are respectively fixed on the infrared metering plate at different liquid level heights, and the first tetrafluoro member is connected with a peristaltic pump for pumping a solution from the reagent storage tube into the quantitative tube through a hard tube;
and the infrared sensor and a peristaltic pump motor on the peristaltic pump are electrically connected with the controller.
Preferably, the controller reduces the motor speed of the peristaltic pump each time the controller receives a detection signal from the infrared sensor at a high level.
Preferably, when the controller receives a detection signal of the infrared sensor at the highest liquid level, the controller controls the motor of the peristaltic pump to rotate reversely for a certain time to suck back the solution.
Preferably, the multi-way valve module comprises a multi-way valve body and a hard pipe joint which is arranged on the multi-way valve body and used for connecting a second tetrafluoro piece hard pipe connected with the quantitative module;
and a multi-way valve body in the multi-way valve module is electrically connected with the controller.
Preferably, the digestion module comprises a digestion shell, a digestion pipe is fixedly installed inside the digestion shell, a polytetrafluoroethylene matching piece is connected to the digestion pipe, a heating wire is spirally wound outside the digestion pipe, a temperature sensor is fixed to the digestion pipe, and the digestion pipe is connected with the multi-way valve module through a hard pipe provided with a separating valve;
the temperature sensor and the heating wires are electrically connected with the controller.
Preferably, the light source module is fixed outside the digestion shell in the digestion module through screws, and the light source module comprises a light source emitter for providing an observation light source for a digestion tube inside the digestion shell, a compensation receiver arranged at the front end of the light source emitter for performing light source compensation and correction, and a light source receiver arranged at the other side of the digestion shell for receiving an optical signal compensated and corrected by the compensation receiver;
and the light source receiver in the light source module is electrically connected with the controller.
Preferably, the system further comprises a display module for displaying the analysis result of the controller on the optical signal of the light source receiver and receiving the control instruction of each module, wherein the display module comprises a liquid crystal touch screen installed on the revolving door and a display screen driving board for driving the liquid crystal touch screen;
and a display screen driving board in the display module is electrically connected with the controller.
Preferably, the water quality monitoring system further comprises an interface module, wherein the interface module comprises a main interface board, a power socket arranged on the main interface board and used for providing a power supply, a five-hole socket arranged on the main interface board and used for supplying power to the field water pump, a water quality interface board arranged on the back of the main interface board and used for providing a communication interface for water quality equipment, and a USB interface.
Preferably, the quantitative module, the multi-way valve module and the digestion module are fixed on a metal plate inside the case through screws.
(III) advantageous effects
Compared with the prior art, the utility model provides a modularization quality of water on-line monitoring equipment has following beneficial effect:
1. in the actual use process, if the module needs to be replaced, only the screws for fixing the module on the metal plate and the joints of cables or hard pipes connected with other modules need to be disassembled, a new module is replaced and the module is reinstalled according to the disassembling steps, and the module has the advantages of simple structure, high integration of parts, general module and convenience in disassembly and maintenance;
2. the quantitative module control system sets the speed in different intervals according to the liquid level height by the rotating speed of the motor of the peristaltic pump, and reduces the rising speed of the solution in different gradients, so that the rising inertia of the solution can be effectively reduced; when the solution reaches the required quantitative height, the main control unit controls the motor of the peristaltic pump to rotate reversely for a short time, so that extra solution caused by inertia is pumped back, and the accuracy of reagent quantification in the whole measurement reaction process is effectively guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic view of the internal structure of the case of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the metal plate shown in FIG. 1;
FIG. 3 is a schematic view of the structure of the quantitative module of the present invention;
FIG. 4 is a schematic structural view of a multi-way valve module of the present invention;
FIG. 5 is a schematic structural view of the digestion module of the present invention;
fig. 6 is a schematic structural diagram of the light source module of the present invention;
fig. 7 is a schematic structural diagram of a display module according to the present invention;
fig. 8 is a schematic structural diagram of the interface module of the present invention;
fig. 9 is a schematic view of the system of the present invention;
FIG. 10 is a schematic view of the dosing module control system of the present invention;
FIG. 11 is a pin diagram of a main control unit in the quantitative module control system of the present invention;
fig. 12 is a schematic circuit diagram of an optical coupling metering unit in the quantitative module control system of the present invention;
fig. 13 is a schematic circuit diagram of a motor control unit in the quantitative module control system of the present invention;
in the figure:
1. a dosing module; 2. a digestion module; 3. a light source module; 4. a multi-way valve module; 5. a dosing housing; 6. a first tetrafluoro member; 7. a second tetrafluoro member; 8. a dosing tube; 9. an infrared metering plate; 12. a peristaltic pump; 13. a multi-way valve body; 14. a hard pipe joint; 15. a digestion housing; 16. a tetrafluoro counterpart; 17. a digestion tube; 18. heating wires; 19. a temperature sensor; 20. a separation valve; 21. a light source emitter; 22. a compensation receiver; 23. a light source receiver; 24. a liquid crystal touch screen; 25. a display screen driving board; 26. a main interface board; 27. a power socket; 28. a USB interface; 29. a five-hole socket; 30. a water quality interface plate; 31. a chassis; 32. a revolving door; 33. and (4) a metal plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a modularization quality of water on-line monitoring equipment, as shown in fig. 1 and fig. 2, including quick-witted case 31 and controller, it has revolving door 32 to articulate on the quick-witted case 31, still including being used for carrying out quantitative module 1 to the reagent, link to each other through the hard tube with quantitative module 1 and be used for switching the multi-ported valve module 4 of different reagent passageways, link to each other through the hard tube with multi-ported valve module 4 and be used for dispelling the module 2 of dispelling of reaction, be used for on being fixed in and dispel the module 2 and provide the light source module 3 of observing the light source for dispelling.
If the module needs to be replaced in the actual use process, the screw used for fixing the module on the metal plate and the joint of the cable or the hard pipe connected with other modules are only required to be detached, a new module is replaced, and the module is re-installed according to the detaching step.
As shown in fig. 3, the quantitative module 1 includes a quantitative shell 5, a first tetrafluoro piece 6 and a second tetrafluoro piece 7 are respectively fixed inside the quantitative shell 5, and the second tetrafluoro piece 7 is connected with the multi-way valve module 4 through a hard pipe;
a quantitative tube 8 is fixed between the first tetrafluoro member 6 and the second tetrafluoro member 7, an infrared metering plate 9 is fixed on the quantitative shell 5, infrared sensors for detecting the liquid level height in the quantitative tube 8 are respectively fixed on the infrared metering plate 9 at different liquid level heights, and the first tetrafluoro member 6 is connected with a peristaltic pump 12 for pumping solution from the reagent storage tube into the quantitative tube 8 through a hard tube;
the infrared sensor and a peristaltic pump motor on the peristaltic pump 12 are both electrically connected with the controller.
And when the controller receives a detection signal of the infrared sensor positioned at the high liquid level, the controller reduces the rotating speed of the motor of the peristaltic pump.
When the controller receives a detection signal of the infrared sensor positioned at the highest liquid level, the controller controls the motor of the peristaltic pump to rotate reversely for a certain time to suck back the solution.
The quantitative module control system sets the speed in different intervals according to the liquid level height by the rotating speed of the motor of the peristaltic pump, and reduces the rising speed of the solution in different gradients, so that the rising inertia of the solution can be effectively reduced; when the solution reaches the required quantitative height, the main control unit controls the motor of the peristaltic pump to rotate reversely for a short time, so that extra solution caused by inertia is pumped back, and the accuracy of reagent quantification in the whole measurement reaction process is effectively guaranteed.
The infrared sensor adopts a correlation type photoelectric switch, can judge whether the solution reaches the designated height through the change of an infrared signal of a receiving end, and has the characteristics of high reaction speed, high stability and the like. The infrared sensors are respectively arranged at four liquid level heights of 30cm, 60cm, 90cm and 110cm on the infrared metering plate 9, and because the infrared signals are different in strength change between the empty glass tube and the glass tube filled with the solution, the voltage signals at the receiving end of the photoelectric switch are collected to judge whether the liquid in the metering tube 8 reaches the designated height.
The liquid level height in the quantitative pipe 8 is judged through the photoelectric switches at four different liquid level heights, the main control unit collects detection signals of the photoelectric switches, a gradient is set for the rising speed of the solution according to the required quantitative height, and the solution rises at a higher speed in the initial stage. When the main control unit receives a detection signal of the infrared sensor positioned at a high liquid level, the main control unit reduces the rotating speed of the motor of the peristaltic pump through the motor control unit until the liquid level reaches the required quantitative height.
Although the liquid level in the second half section rises slowly, when the solution reaches the quantitative height, the solution will rise slightly due to inertia, which causes quantitative error. At the moment, the main control unit controls the motor of the peristaltic pump to rotate reversely through the motor control unit, and the redundant liquid is pumped back, so that the quick quantification can be guaranteed, and the quantification accuracy can be guaranteed.
The optical coupling metering unit comprises a photoelectric switch PS1, an infrared signal sent by the photoelectric switch PS1 passes through the quantitative tube 1, and a signal at a receiving end of the photoelectric switch PS1 is converted into a corresponding voltage value to be input into the main control unit.
Receiving terminals PC3_ EN, PC2_ DIR and PB1_ OC1A in the motor control unit are respectively connected with the main control unit, and output terminals BLDC _ EN, BLDC _ DIR and BLDC _ PUL in the motor control unit are connected with a peristaltic pump motor.
Controlling an enabling end BLDC _ EN of the stepping motor through a receiving end PC3_ EN;
the main control unit changes the value of the output end BLDC _ DIR by outputting level change to the receiving end PC2_ DIR so as to change the steering direction of the motor of the peristaltic pump;
the main control unit changes the starting and stopping state and the rotating speed of the peristaltic pump motor by outputting level change to the receiving end PB1_ OC1A to change the value of the output end BLDC _ PUL.
The quantitative tube 8 is made of high-transparency quartz glass, the liquid level condition in the tube can be observed in real time in the quantitative process, and meanwhile, the quantitative tube is resistant to strong acid corrosion and high temperature, so that the quantitative tube can meet the use requirements of different reagents. The inner wall of the quantitative tube 8 is smooth, so that the phenomena of liquid hanging, liquid loading and the like can be effectively avoided, and the tube diameter of the quantitative tube 8 can be customized according to the reagent demand and flexibly adjusted.
As shown in fig. 4, the multi-way valve module 4 comprises a multi-way valve body 13 and a hard pipe joint 14 arranged on the multi-way valve body 13 and used for connecting a hard pipe from the quantitative module 1 and connected with the second tetrafluoro piece 7;
the multi-way valve body 13 in the multi-way valve module 4 is electrically connected with the controller.
As shown in fig. 5, the digestion module 2 comprises a digestion shell 15, a digestion pipe 17 is fixedly installed inside the digestion shell 15, a polytetrafluoroethylene matching piece 16 is connected to the digestion pipe 17, a heating wire 18 is spirally wound outside the digestion pipe 17, a temperature sensor 19 is fixed on the digestion pipe 17, and the digestion pipe 17 is connected with the multi-way valve module 4 through a hard pipe provided with a separation valve 20;
the temperature sensor 19 and the heating wire 18 are both electrically connected with the controller.
A heat radiation fan for heat radiation is also fixed on the digestion shell 15.
As shown in fig. 6, the light source module 3 is fixed outside the digestion housing 15 in the digestion module 2 by screws, and the light source module 3 includes a light source emitter 21 for providing observation light source to the digestion tube 17 inside the digestion housing 15, a compensation receiver 22 arranged at the front end of the light source emitter 21 for performing light source compensation and correction, and a light source receiver 23 arranged at the other side of the digestion housing 15 for receiving optical signals compensated and corrected by the compensation receiver 22;
the light source receiver 23 in the light source module 3 is electrically connected to the controller.
As shown in fig. 7, the system further includes a display module for displaying the analysis result of the controller on the optical signal of the light source receiver 23 and receiving the control instruction of each module, the display module includes a liquid crystal touch screen 24 installed on the revolving door 32, and a display screen driving board 25 for driving the liquid crystal touch screen 24;
the display screen driving board 25 in the display module is electrically connected with the controller.
As shown in fig. 8, the system further includes an interface module, which includes a main interface board 26, a power socket 27 provided on the main interface board 26 for providing power, a five-hole socket 29 provided on the main interface board 26 for supplying power to the field water pump, a water quality interface board 30 provided on the back of the main interface board 26 for providing a communication interface for water quality equipment, and a USB interface 28.
The following takes the example of replacing the dosing module:
and after no liquid exists in the quantitative tube 8, the power supply of the equipment is turned off, a transparent hard tube between the quantitative tube and the multi-way valve module 4, a communication cable between the quantitative tube and the controller and a connecting tube between the quantitative tube and the peristaltic pump 12 are removed, and the quantitative module 1 can be removed after a screw for fixing the quantitative module 1 is removed by using a cross screwdriver, so that the quantitative module 1 can be replaced by a new quantitative module 1.
The following takes a specific monitoring procedure as an example:
in adding reagent storage tube to corresponding reagent, the waste liquid pipeline in the multi-way valve module 4 is connected with a waste liquid barrel, and the water sample pipeline is connected with a water sample reagent bottle. After the equipment is powered on, the display module and the light source module 3 work normally, and the controller sends communication instructions to the quantitative module 1, the multi-way valve module 4 and the multi-way valve module 2.
The quantitative module control circuit controls the motor of the peristaltic pump to operate, reagents with different requirements are injected into the digestion module 2 from the reagent storage pipe through the automatic valve switching of the multi-way valve body 13, the heating wires 18 in the digestion module 2 work, and real-time temperature is uploaded to the controller through the temperature sensor to be heated to the designated temperature through the heating wires 18.
After the water sample in the digestion module 2 is heated to a specified temperature, the light source module 3 detects the optical signal of the water sample in the digestion tube 17, and the controller converts the optical signal into a corresponding numerical value to be displayed on the liquid crystal touch screen 24.
The internal structure and the pin functions of the electrical component related in the technical scheme can be checked in a factory specification, the quantitative module control circuit related in the technical scheme is disclosed in the application, and the digestion module control circuit and the light source module control circuit are disclosed in other patents.
It should be noted that the technical solution of the present application is only for providing a hardware configuration different from the prior art, so that the skilled person can implement further development under such a hardware configuration, and the software program can be programmed by the programmer in the field at a later stage according to the actual effect requirement.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The utility model provides an online monitoring facilities of modularization quality of water which characterized in that: including quick-witted case (31) and controller, articulated on quick-witted case (31) have revolving door (32), still including being used for carrying out quantitative module (1) to reagent, with quantitative module (1) links to each other through the hard tube and is used for switching multi-ported valve module (4) of different reagent passageways, with multi-ported valve module (4) link to each other through the hard tube and are used for digesting module (2) of dispelling the reaction, are fixed in it provides light source module (3) of observing the light source for dispelling the reaction to clear up on module (2).
2. The modular online water quality monitoring device of claim 1, wherein: the quantitative module (1) comprises a quantitative shell (5), a first tetrafluoro piece (6) and a second tetrafluoro piece (7) are respectively fixed inside the quantitative shell (5), and the second tetrafluoro piece (7) is connected with the multi-way valve module (4) through a hard tube;
a quantitative tube (8) is fixed between the first tetrafluoro member (6) and the second tetrafluoro member (7), an infrared metering plate (9) is fixed on the quantitative shell (5), infrared sensors used for detecting the liquid level height in the quantitative tube (8) are respectively fixed on the infrared metering plate (9) at different liquid level heights, and the first tetrafluoro member (6) is connected with a peristaltic pump (12) used for pumping a solution from the reagent storage tube into the quantitative tube (8) through a hard tube;
the infrared sensor and a peristaltic pump motor on the peristaltic pump (12) are electrically connected with the controller.
3. The modular water quality on-line monitoring device of claim 2, characterized in that: and when the controller receives a detection signal of the infrared sensor positioned at the high liquid level, the controller reduces the rotating speed of the motor of the peristaltic pump.
4. The modular water quality on-line monitoring device of claim 3, characterized in that: when the controller receives a detection signal of the infrared sensor positioned at the highest liquid level, the controller controls the motor of the peristaltic pump to reversely rotate for a certain time to suck back the solution.
5. The modular online water quality monitoring device of claim 1, wherein: the multi-way valve module (4) comprises a multi-way valve body (13) and a hard pipe joint (14) which is arranged on the multi-way valve body (13) and used for connecting a hard pipe from the quantitative module (1) and connected with a second tetrafluoro piece (7);
and a multi-way valve body (13) in the multi-way valve module (4) is electrically connected with the controller.
6. The modular online water quality monitoring device of claim 1, wherein: the digestion module (2) comprises a digestion shell (15), a digestion pipe (17) is fixedly installed inside the digestion shell (15), a tetrafluoro matching piece (16) is connected to the digestion pipe (17), a heating wire (18) is spirally wound outside the digestion pipe (17), a temperature sensor (19) is fixed to the digestion pipe (17), and the digestion pipe (17) is connected with the multi-way valve module (4) through a hard pipe provided with a separating valve (20);
the temperature sensor (19) and the heating wire (18) are electrically connected with the controller.
7. The modular online water quality monitoring device of claim 1, wherein: the light source module (3) is fixed outside the digestion shell (15) in the digestion module (2) through screws, and the light source module (3) comprises a light source emitter (21) for providing an observation light source for a digestion tube (17) in the digestion shell (15), a compensation receiver (22) arranged at the front end of the light source emitter (21) and used for performing light source compensation and correction, and a light source receiver (23) arranged at the other side of the digestion shell (15) and used for receiving an optical signal compensated and corrected by the compensation receiver (22);
and the light source receiver (23) in the light source module (3) is electrically connected with the controller.
8. The modular water quality on-line monitoring device of claim 7, characterized in that: the display module is used for displaying the analysis result of the controller on the optical signal of the light source receiver (23) and receiving the control instruction of each module, and comprises a liquid crystal touch screen (24) arranged on a revolving door (32) and a display screen driving board (25) used for driving the liquid crystal touch screen (24);
and a display screen driving board (25) in the display module is electrically connected with the controller.
9. The modular online water quality monitoring device of claim 1, wherein: the water quality monitoring system is characterized by further comprising an interface module, wherein the interface module comprises a main interface board (26), a power socket (27) arranged on the main interface board (26) and used for providing a power supply, a five-hole socket (29) arranged on the main interface board (26) and used for supplying power to a field water pump, a water quality interface board (30) arranged on the back of the main interface board (26) and used for providing a communication interface for water quality equipment, and a USB interface (28).
10. The modular online water quality monitoring device of claim 1, wherein: the quantitative module (1), the multi-way valve module (4) and the digestion module (2) are fixed on a metal plate (33) inside the case (31) through screws.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020469735.XU CN211741265U (en) | 2020-04-02 | 2020-04-02 | Modularization quality of water on-line monitoring equipment |
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| CN202020469735.XU CN211741265U (en) | 2020-04-02 | 2020-04-02 | Modularization quality of water on-line monitoring equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129913A (en) * | 2020-11-20 | 2020-12-25 | 赛默飞世尔（上海）仪器有限公司 | Water quality analyzer, water quality on-line monitoring system and quantitative method for water quality analyzer |
| CN112782095A (en) * | 2021-02-20 | 2021-05-11 | 南京华都环保设备有限公司 | Integrated circuit system and water quality online detection system |
| CN115414978A (en) * | 2022-11-07 | 2022-12-02 | 成都理工大学 | Pollution-free corrosion-resistant liquid chemical quantifying mechanism and quantifying method thereof |
| CN116625973A (en) * | 2023-07-21 | 2023-08-22 | 江苏省环境科学研究院 | Groundwater detection system and method based on Fourier infrared technology |
-
2020
- 2020-04-02 CN CN202020469735.XU patent/CN211741265U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112129913A (en) * | 2020-11-20 | 2020-12-25 | 赛默飞世尔（上海）仪器有限公司 | Water quality analyzer, water quality on-line monitoring system and quantitative method for water quality analyzer |
| CN112129913B (en) * | 2020-11-20 | 2021-03-16 | 赛默飞世尔（上海）仪器有限公司 | Water quality analyzer, water quality on-line monitoring system and quantitative method for water quality analyzer |
| CN112782095A (en) * | 2021-02-20 | 2021-05-11 | 南京华都环保设备有限公司 | Integrated circuit system and water quality online detection system |
| CN115414978A (en) * | 2022-11-07 | 2022-12-02 | 成都理工大学 | Pollution-free corrosion-resistant liquid chemical quantifying mechanism and quantifying method thereof |
| CN116625973A (en) * | 2023-07-21 | 2023-08-22 | 江苏省环境科学研究院 | Groundwater detection system and method based on Fourier infrared technology |
| CN116625973B (en) * | 2023-07-21 | 2023-10-20 | 江苏省环境科学研究院 | Groundwater detection system and method based on Fourier infrared technology |
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