CN207181094U - One kind is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal - Google Patents
One kind is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal Download PDFInfo
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- CN207181094U CN207181094U CN201720847270.5U CN201720847270U CN207181094U CN 207181094 U CN207181094 U CN 207181094U CN 201720847270 U CN201720847270 U CN 201720847270U CN 207181094 U CN207181094 U CN 207181094U
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- peristaltic pump
- interface
- magnetic valve
- water quality
- control terminal
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Abstract
The utility model discloses one kind to be based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, including microprocessor, USB interface, jtag interface, RS485 interfaces, RS232 interface, level sensing module, peristaltic pump and magnetic valve, the microcontroller have three groups of serial ports, and three groups of serial ports pass through conversion chip and USB interface respectively, RS485 interfaces, RS232 interface is connected, and the microprocessor is connected with GPIO mouths, and the level sensing module is connected with GPIO mouths；The magnetic valve is connected by relay with GPIO mouths；The USB interface turns USB chips by serial ports and is connected with microcontroller STM32, the on-line debugging for control program；The RS485 interfaces are connected with peristaltic pump, control the working condition of peristaltic pump；The RS232 interface is connected with display, for realizing man-machine interaction.The utility model can accurately measure the ammonia-nitrogen content in water sample, while can reduce the loss to flexible pipe in device.
Description
Technical field
Water analysis outfit technical field is the utility model is related to, it is more particularly to a kind of based on Embedded Water quality ammonia nitrogen point
Analyzer data collection and control terminal.
Background technology
In recent years, as Chinese society economy and the fast development of urbanization, the pollution of water environment are increasingly severe.Its
In, the number of nitrogen compound, the index that can be polluted as water body by itrogenous organic substance in water.Reflect that water body is dirty by nitrogen compound
The nitrogen of several forms of dye degree is ammonia nitrogen, nitrite nitrogen, nitrate nitrogen, organic nitrogen.Determine the nitridation of various forms in water
Compound, help to evaluate the contaminated degree of water body and the degree of self-cleaning.When ammonia-nitrogen content in water is higher, poison is presented to fish etc.
Evil effect, also there is different degrees of harm to human body.It is therefore desirable to be able to Water quality ammonia nitrogen concentration is analyzed to detect water
Matter.
Utility model content
To solve the above problems, the utility model discloses one kind to be based on Embedded Water quality ammonia nitrogen analyzer data acquisition
And control terminal, the ammonia-nitrogen content in water sample can be accurately measured, while the loss to flexible pipe in device can be reduced.
To reach above-mentioned purpose, the technical solution of the utility model is as follows：
One kind is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, including microprocessor, USB connect
Mouthful, jtag interface, RS485 interfaces, RS232 interface, level sensing module, peristaltic pump and magnetic valve, the microprocessor have
Three groups of serial ports, three groups of serial ports are respectively by conversion chip and USB interface, and RS485 interfaces, RS232 interface is connected, described
Jtag interface is connected with microprocessor, and the microprocessor is connected with GPIO mouths, and the level sensing module is connected with GPIO mouths；
The magnetic valve is connected by relay with GPIO mouths；The USB interface turns USB chips and microprocessor STM32 by serial ports
It is connected, the on-line debugging for control program；The RS485 interfaces are connected with peristaltic pump, control the working condition of peristaltic pump；Institute
State RS232 interface with display to be connected, for realizing man-machine interaction, the microprocessor passes through motor-drive circuit and stirring electricity
Machine connects, and the stirring motor is connected with stirring rod.
As a kind of improvement of the present utility model, the magnetic valve is divided into three-way magnetic valve and two logical electromagnetic gas valves, described
Three-way magnetic valve is provided with two, and three-way magnetic valve one connects reagent one, and gauge line one and reaction tank, three-way magnetic valve two connect
Reagent two, gauge line two and reaction tank, described two logical electromagnetic gas valves are provided with two, and two logical electromagnetic gas valves one connect peristaltic pump three
With gauge line one, two logical electromagnetic gas valves two connect peristaltic pump three and gauge line two.
As a kind of improvement of the present utility model, the peristaltic pump is provided with three, and peristaltic pump one connects water sample and reaction
Pond, the coupled reaction pond of peristaltic pump two and colorimetric pool, two logical electromagnetic gas valve of the connection of peristaltic pump three.
As a kind of improvement of the present utility model, the level sensing module is liquid level gauge, and the liquid level gauge is provided with four
Individual, the liquid level gauge two and liquid level gauge one are separately positioned on the top and bottom of gauge line one, the liquid level gauge four and liquid level gauge
Three are separately positioned on the top and bottom of gauge line two.
As a kind of improvement of the present utility model, the conversion chip is respectively CH340G, SP3485 and SP3232.
As a kind of improvement of the present utility model, the display is TFTLCD.
As a kind of improvement of the present utility model, the microprocessor is STM32F103.
The beneficial effects of the utility model：
The utility model provides one kind and is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, uses
Microprocessor is controlled to whole device, and overall structure is simple and measurement is stable；In addition, existing Water quality ammonia nitrogen analyzer is wide
General that reagent volume is measured by the way of peristaltic pump directly measures, loss of this method to flexible pipe in pipeline is larger, adds
The workload and cost of later maintenance, the utility model measure examination by the way of liquid level gauge is arranged on glass tube upper and lower ends
The volume of agent, the loss of flexible pipe is reduced, so as to reduce the loss to flexible pipe in pipeline, reduce the workload of later maintenance
And cost；By the way of peristaltic pump and magnetic valve are combined, system architecture is simplified, the detection time used is reduced, carries
The high accuracy of testing result, reduces cost of labor.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is structured flowchart of the present utility model.
Fig. 3 is that serial ports turns USB circuit schematic diagram.
Fig. 4 is jtag interface circuit theory diagrams.
Fig. 5 is RS485 interface circuit schematic diagrams.
Fig. 6 is RS232 interface circuit theory diagrams.
Fig. 7 is level sensing module circuit theory diagrams.
Fig. 8 is GPIO interface circuit theory diagrams used in magnetic valve.
Reference numerals list：
1st, three-way magnetic valve one；2nd, three-way magnetic valve two；3rd, two logical electromagnetic gas valve one；4th, two logical electromagnetic gas valve two；5th, it is compacted
Dynamic pump one；6th, peristaltic pump two；7th, peristaltic pump three；8th, gauge line one；9th, gauge line two；10th, liquid level gauge one；11st, liquid level gauge two；
12nd, liquid level gauge three；13rd, liquid level gauge four；14th, reagent one；15th, reagent two；16th, water sample；17th, reaction tank；18th, colorimetric pool；19th, stir
Mix motor.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is furtherd elucidate, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limitation the scope of the utility model.
As illustrated, one kind described in the utility model is based on Embedded Water quality ammonia nitrogen analyzer data collection and control
Terminal, including microprocessor, USB interface, jtag interface, RS485 interfaces, RS232 interface, level sensing module, peristaltic pump with
And magnetic valve, the microprocessor have three groups of serial ports, three groups of serial ports are connect by conversion chip and USB interface, RS485 respectively
Mouthful, RS232 interface is connected, and the jtag interface is connected with microprocessor, and the microprocessor is connected with GPIO mouths, the liquid level
Detection module is connected with GPIO mouths；The magnetic valve is connected by relay with GPIO mouths；The USB interface is turned by serial ports
USB chips are connected with microprocessor STM32, the on-line debugging for control program；The RS485 interfaces are connected with peristaltic pump,
Control the working condition of peristaltic pump；The RS232 interface is connected with display, for realizing man-machine interaction；The microprocessor
It is connected by motor-drive circuit with stirring motor 19, the stirring motor 19 is connected with stirring rod, and the stirring rod is positioned at anti-
Answer in pond 17；Power supply is connected with microprocessor, is that microprocessor and each electronic component are powered.
The magnetic valve described in the utility model is divided into three-way magnetic valve and two logical electromagnetic gas valves, the three-way magnetic valve
Two are provided with, the left end connection reagent 1 of three-way magnetic valve 1, upper end connects gauge line 1, right-hand member coupled reaction pond
17, the left end connection reagent 2 15 of three-way magnetic valve 22, upper end connection gauge line 29, right-hand member coupled reaction pond 17, described two
Logical electromagnetic gas valve is provided with two, and two logical electromagnetic gas valves 1 connect peristaltic pump 37 and gauge line 1, two logical electromagnetic gas valves 24
Connect peristaltic pump 37 and gauge line 29.
Peristaltic pump described in the utility model is provided with three, and peristaltic pump 1 connects water sample 16 and reaction tank 17, peristaltic pump
26 coupled reaction ponds 17 and colorimetric pool 18, two logical electromagnetic gas valve of the connection of peristaltic pump 37.
The level sensing module described in the utility model is liquid level gauge, and the liquid level gauge is provided with four, the liquid
Position meter 2 11 and liquid level gauge 1 are separately positioned on the top and bottom of gauge line 1, the liquid level gauge 4 13 and liquid level gauge three
12 are separately positioned on the top and bottom of gauge line 29.
Microprocessor described in the utility model is connected by CH340G conversion chips with USB interface, is turned by SP3485
Change chip with RS485 interfaces to be connected, be connected by SP3232 conversion chips with RS232 interface.
Display described in the utility model is TFTLCD.
Microprocessor described in the utility model is STM32F103.
The utility model is in use, first, the full speed running of peristaltic pump 1, extract water sample 16 to reaction tank 17, peristaltic pump two
6 full speed runnings, extracted from reaction tank 17 by water sample 16 to colorimetric pool 18, carry out primary blank experiment, peristaltic pump 26 is again at full speed
Operation, empty the water sample 16 in pipeline.
Then, the full speed running of peristaltic pump 1, water sample 16 is extracted to reaction tank 17, opens the left end of three-way magnetic valve 1, three
The left end of three-way electromagnetic valve 22 and two logical electromagnetic gas valves one 3, two lead to electromagnetic gas valve 24, and peristaltic pump 37 is run clockwise, extracts examination
Agent 1, reagent 2 15 are into gauge line 1 and gauge line 29, when the liquid level of 29 kinds of gauge line 1 and gauge line reaches liquid
The position that position meter 2 11 and liquid level gauge 4 13 mark,
The right-hand member of three-way magnetic valve 1, the right-hand member of three-way magnetic valve 22 are opened, peristaltic pump 37 is run counterclockwise, by gauge line
1 and gauge line 29 in reagent be depressed into reaction tank 17, when liquid level reaches the position that liquid level gauge 1 and liquid level gauge 3 12 mark
Put, close two logical electromagnetic gas valves 1, two logical electromagnetic gas valves 24 and peristaltic pump 37.Open stirring rod, stirring a period of time.Beat
Peristaltic pump 26 is opened, mixed liquor is extracted to reaction tank 17, measures absorbance.Mixed liquor is emptied again.
Finally, peristaltic pump 1 is opened, water sample 16 is extracted to reaction tank 17, opens stirring rod, clean reaction tank 17, open
Peristaltic pump 26, by emptying rate of liquid in reaction tank 17.
Technological means disclosed in the utility model is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including being combined formed technical scheme by above technical characteristic.
Claims (7)
1. one kind is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, it is characterised in that：Including microprocessor
Device, USB interface, jtag interface, RS485 interfaces, RS232 interface, level sensing module, peristaltic pump and magnetic valve, microprocessor
Device has three groups of serial ports, and three groups of serial ports are connected by conversion chip and USB interface, RS485 interfaces, RS232 interface respectively, institute
State jtag interface to be connected with microprocessor, the microprocessor is connected with GPIO mouths, the level sensing module and GPIO mouth phases
Even, the magnetic valve is connected by relay with GPIO mouths, and the USB interface turns USB chips and microprocessor by serial ports
STM32 is connected, and the RS485 interfaces are connected with peristaltic pump, and the RS232 interface is connected with display, and the microprocessor leads to
Cross motor-drive circuit to be connected with stirring motor (19), the stirring motor (19) is connected with stirring rod.
2. one kind according to claim 1 is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, its
It is characterised by：The magnetic valve is divided into three-way magnetic valve and two logical electromagnetic gas valves, and the three-way magnetic valve is provided with two, threeway
Magnetic valve one (1) connection reagent one (14), gauge line one (8) and reaction tank (17), three-way magnetic valve two (2) connection reagent two
(15), gauge line two (9) and reaction tank (17), described two logical electromagnetic gas valves are provided with two, two logical electromagnetic gas valve one (3) connections
Peristaltic pump three (7) and gauge line one (8), two logical electromagnetic gas valve two (4) connection peristaltic pumps three (7) and gauge line two (9).
3. one kind according to claim 2 is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, its
It is characterised by：The peristaltic pump is provided with three, and peristaltic pump one (5) connects water sample (16) and reaction tank (17), peristaltic pump two (6)
Coupled reaction pond (17) and colorimetric pool (18), two logical electromagnetic gas valve of peristaltic pump three (7) connection.
4. one kind according to claim 1 is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, its
It is characterised by：The level sensing module is liquid level gauge, and the liquid level gauge is provided with four, liquid level gauge two (11) and liquid level gauge one
(10) top and bottom of gauge line one (8) are separately positioned on, liquid level gauge four (13) and liquid level gauge three (12) are separately positioned on meter
The top and bottom of buret two (9).
5. one kind according to claim 1 is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, its
It is characterised by：The conversion chip is respectively CH340G, SP3485 and SP3232.
6. one kind according to claim 1 is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, its
It is characterised by：The display is TFTLCD.
7. one kind according to claim 1 is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal, its
It is characterised by：The microprocessor is STM32F103.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720847270.5U CN207181094U (en) | 2017-07-13 | 2017-07-13 | One kind is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720847270.5U CN207181094U (en) | 2017-07-13 | 2017-07-13 | One kind is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181094U true CN207181094U (en) | 2018-04-03 |
Family
ID=61736898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720847270.5U Active CN207181094U (en) | 2017-07-13 | 2017-07-13 | One kind is based on Embedded Water quality ammonia nitrogen analyzer data collection and control terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207181094U (en) |
-
2017
- 2017-07-13 CN CN201720847270.5U patent/CN207181094U/en active Active
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