CN206540897U - Monitoring water quality instrument system - Google Patents
Monitoring water quality instrument system Download PDFInfo
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- CN206540897U CN206540897U CN201720245581.4U CN201720245581U CN206540897U CN 206540897 U CN206540897 U CN 206540897U CN 201720245581 U CN201720245581 U CN 201720245581U CN 206540897 U CN206540897 U CN 206540897U
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- water quality
- microprocessor
- module
- instrument system
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Abstract
The utility model discloses a kind of monitoring water quality instrument system, including：Microprocessor, the microprocessor model is LPC1114；Output module, the output module includes latch, relay, triode and the protective tube being connected with the relay, and the microprocessor controls the triode by the latch, so as to control the relay to open；Input module, the input module includes pull-up circuit, the signal for reading external equipment；Communication module, the communication module includes RS485 communications, to show the oxidation-reduction potential of water, pH value, temperature data；Power module, for being powered for the microprocessor, the output module, the input module and the communication module.Use the water quality monitoring instrument of this system not only can be with remote operation, and this monitoring water quality instrument system more intelligent functions are diversified.
Description
Technical field
The utility model is related to environmental monitoring control field, more particularly to a kind of monitoring water quality instrument system.
Background technology
As China increasingly payes attention to water quality monitoring work, environmental monitoring stations at different levels and waterworks are all equipped with and just in succession
Such as each quasi-instrument of lab analysis, spot sampling, Site Detection, Emergent detection etc. is being equipped with, these instruments are supervised in water quality
Survey in work and increasingly given play to particularly important effect, water quality testing meter can now measure ph values, temperature, turbidity, depth, oxygen
Change reduction potential（orp）.The measurement need of various surface water, underground water, industry and sanitary sewage, cultivation and recycled water can be met
Will.Can be widely used in environmental protection, scientific research monitoring, production control etc. field, be industrial automation environment of times monitoring with
One of instrumentation of management idea.Being applied to traditional water quality testing meter on the spot or sample detecting, display detection data make more
Limited, the feature without intelligent control and remote control with scope.
Utility model content
In view of the above problems, the utility model proposes a kind of monitoring water quality instrument system, using the monitoring water quality of this system
Instrument not only can be with remote operation, and this water quality monitoring instrument system intelligent functional diversities.
The utility model provides a kind of monitoring water quality instrument system, including：Microprocessor, the microprocessor model is
LPC1114；Output module, the output module includes latch, relay, triode and is connected with the relay
Protective tube, the microprocessor controls the triode by the latch, so as to control the relay to open；Input mould
Block, the input module includes pull-up circuit, the signal for reading external equipment；Communication module, the communication module includes
RS485 communicates, to show the oxidation-reduction potential of water, pH value, temperature data；Power module, for for the microprocessor,
The output module, the input module and the communication module are powered.
It is preferred that, the output module also includes multiple output ports, the output port distinguish external sour agent measuring pump,
Alkaline agent measuring pump, chlorine agent measuring pump and precipitating reagent measuring pump.
It is preferred that, during no input signal, the input pin of the microprocessor is high level state；When having input signal,
The input pin is low level state, makes the microcomputer reads input signal.
It is preferred that, the RS485 communications use SN65HVD3082ED communication chips, make the external equipment and controller
Communicated.
It is preferred that, the power module includes the DC power supplier of tri- kinds of specifications of 24V, 5V, 3.3V.
Further, the monitoring water quality instrument system also includes：Amplifier module, the amplifier module includes operation amplifier
Device, ultra-high input impedance amplifier and peripheral circuit.
It is preferred that, oxidation-reduction potential and the input of PH electrodes after ultra-high input impedance amplifier amplification by being input to
The microprocessor.
It is preferred that, sensor input is input to the microprocessor after operational amplifier amplification.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those skilled in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings
Other accompanying drawings.
Fig. 1 is a kind of composition schematic diagram of embodiment of monitoring water quality instrument system described in the utility model.
Embodiment
In order that those skilled in the art more fully understand the utility model scheme, it is real below in conjunction with the utility model
The accompanying drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described.
A kind of monitoring water quality instrument system of the utility model offer, such as Fig. 1, including：Microprocessor, output module inputs mould
Block, communication module, amplifier module and power module.
The microprocessor model is LPC1114FDB48, LQFP48 encapsulation.
The output module includes latch, relay, multiple output ports, triode and connected with the relay
The protective tube connect.The microprocessor is by controlling output pin to control the switch of the triode, institute by the latch
State triode ON and promote the relay switch, while the relay connects the protective tube, the protective tube plays guarantor
The effect of protection circuit.The sour agent measuring pumps of the external 220V of the output port, 220V alkaline agents measuring pump, 220V chlorine agent measuring pumps and
220V precipitating reagent measuring pumps etc., the output port also includes standby output, does other and expands output use.It is preferred that, the lock
Storage is 74HC573 chips, the relay model JQX-115F.
The input module is made up of simple pull-up circuit；During without input signal, input pin is in high level state,
When having input signal, input pin is low level state so that the microcomputer reads input signal.Input circuit is used to read
The signal of external equipment plays the function of external equipment overload protection and water level detecting protection so as to make corresponding reaction.
The communication module is made up of RS485 communications, and the RS485 communications are to use communication chip SN65HVD3082ED
Chip make it that outside monitoring display equipment such as man-machine interface etc. is communicated with the microprocessor, so as to show redox electricity
Position（ORP）, pH value, the data such as temperature, while also being used as the microprocessor programming program.
The power module includes the DC power supplier of tri- kinds of specifications of 24V, 5V, 3.3V.Wherein direct current 24V plant-grid connections
The monitoring water quality instrument system, while providing driving voltage to the relay；24V voltages pass through voltage-stabiliser tube LM2596S-5.0
5V DC voltages are produced, are that the communication module and the amplifier module provide voltage；5V DC voltages pass through power supply chip
SPX1117-3.3 produces 3.3V DC voltages, is the microprocessor, the input module and the output module are powered.
The amplifier module includes operational amplifier, ultra-high input impedance amplifier and peripheral circuit.Outside ORP and PH
Electrode is input to the AD mouths for being connected to the microprocessor by amplification after the ultra-high input impedance amplifier and handled, AD signals warp
Cross the value of output display ORP and PH after the microprocessor processes；External temperature sensor or other sensors input are by fortune
Calculate the AD mouths processing that amplifier amplification is followed by the microprocessor, AD signals output display after the microprocessor processes
The value of temperature value and sensor.It is preferred that, the operational amplifier includes LM358 operational amplifier chips.
The workflow of the monitoring water quality instrument system includes：DC24V is accessed, the external man-machine interface of water quality monitoring instrument is first
Wait 485 communication response, such as communicate normal, morse signal light dodges, client can by person-computer union switching control interface,
Touch key-press controls the relay switch arrange parameter and sees real-time ORP, PH and the value of other external sensors.Such as ORP,
PH electrode probes are not accessed, electrode can be pointed out not access on display screen.
Compared with prior art, monitoring water quality instrument system described in the utility model has advantages below：
（1）There is detection and display oxidation-reduction potential simultaneously（ORP）, pH value, the function of a variety of data such as temperature, function
Variation.
（2）Multiple output ports distinguish external sour agent measuring pump, alkaline agent measuring pump, chlorine agent measuring pump and precipitating reagent measuring pump
Deng, under control of the microprocessor, the improvement of a variety of aspects can be realized to water quality, it is more intelligent.
（3）Using 485 communications, various detection data can be remotely shown, while can be programmed to microprocessor, are had
There is remote control.
A kind of monitoring water quality instrument system provided by the utility model is described in detail above, for this area
Those skilled in the art, according to the thought of the utility model embodiment, have change in specific embodiments and applications
Part, in summary, this specification content should not be construed as to limitation of the present utility model.
Claims (8)
1. a kind of monitoring water quality instrument system, it is characterised in that including：
Microprocessor, the microprocessor model is LPC1114；
Output module, the output module includes latch, relay, triode and the insurance being connected with the relay
Pipe, the microprocessor controls the triode by the latch, so as to control the relay to open；
Input module, the input module includes pull-up circuit, the signal for reading external equipment；
Communication module, the communication module includes RS485 communications, to show the oxidation-reduction potential of water, pH value, temperature number
According to；
Power module, for being powered for the microprocessor, the output module, the input module and the communication module.
2. monitoring water quality instrument system according to claim 1, it is characterised in that the output module also includes multiple outputs
Port, the output port distinguishes external sour agent measuring pump, alkaline agent measuring pump, chlorine agent measuring pump and precipitating reagent measuring pump.
3. monitoring water quality instrument system according to claim 1, it is characterised in that during without input signal, the microprocessor
Input pin be high level state；When having input signal, the input pin is low level state, makes the microcomputer reads
Input signal.
4. monitoring water quality instrument system according to claim 1, it is characterised in that the RS485 communications are used
SN65HVD3082ED communication chips, make the external equipment be communicated with controller.
5. monitoring water quality instrument system according to claim 1, it is characterised in that the power module include 24V, 5V,
The DC power supplier of tri- kinds of specifications of 3.3V.
6. monitoring water quality instrument system according to claim 1, it is characterised in that also include：Amplifier module, the amplification
Device module includes operational amplifier, ultra-high input impedance amplifier and peripheral circuit.
7. monitoring water quality instrument system according to claim 6, it is characterised in that oxidation-reduction potential and PH electrodes input warp
The microprocessor is input to after crossing the ultra-high input impedance amplifier amplification.
8. monitoring water quality instrument system according to claim 6, it is characterised in that the operation amplifier is passed through in sensor input
The microprocessor is input to after device amplification.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245581.4U CN206540897U (en) | 2017-03-14 | 2017-03-14 | Monitoring water quality instrument system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720245581.4U CN206540897U (en) | 2017-03-14 | 2017-03-14 | Monitoring water quality instrument system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206540897U true CN206540897U (en) | 2017-10-03 |
Family
ID=59941979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720245581.4U Active CN206540897U (en) | 2017-03-14 | 2017-03-14 | Monitoring water quality instrument system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206540897U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596028A (en) * | 2020-07-02 | 2020-08-28 | 上海交通大学 | Water quality on-line monitoring system for distributed sewage discharge source |
-
2017
- 2017-03-14 CN CN201720245581.4U patent/CN206540897U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111596028A (en) * | 2020-07-02 | 2020-08-28 | 上海交通大学 | Water quality on-line monitoring system for distributed sewage discharge source |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 510000 Sha Bu Da Road, Whampoa District, Guangzhou, Guangdong Province, room 22, room 205 Patentee after: Guangzhou Maigao Tezhi Control Technology Co. Ltd. Address before: No. 9236, No. 3889, Whampoa East Road, Whampoa District, Guangzhou, Guangdong Patentee before: Guangzhou Maigao special engineering equipment Co. Ltd. |
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| CP03 | Change of name, title or address |