CN207924439U - A kind of water quality on-line checking terminal - Google Patents

Abstract

The utility model is related to a kind of water quality on-line checking terminals, including shell and the MCU controllers for being packaged in enclosure interior, timesharing one-parameter multi-wavelength optical detector, data acquisition module, gsm module, alarm module and power supply, the collection terminal of the data acquisition module is exposed to hull outside, the input terminal of the MCU controllers is connect with timesharing one-parameter multi-wavelength optical detector and data acquisition module respectively, the output end of the MCU controllers is connect with alarm module and gsm module respectively, the power supply respectively with MCU controllers, data acquisition module, gsm module is connected with alarm module, the alarm module includes vibrating motor, the vibrating motor is connect with the output end of MCU controllers.Compared with prior art, the utility model has many advantages, such as that calculation amount is small, hardware cost is low, using flexible and safe.

Description

A kind of water quality on-line checking terminal

Technical field

The utility model is related to field of water quality detection, more particularly, to a kind of water quality on-line checking terminal.

Background technology

The water environment pollution in China has become universal phenomenon, the water quality safety in potable water source district, rivers, lake etc. in recent years Increasingly paid attention to by country, successively puts into effect multinomial water quality protection, Prevention method.The demand in water quality monitoring market also will gradually increase It is long.In addition, China's Urbanization Construction is constantly accelerated, the water quality monitoring work of urban landscape rivers also will gradually be unfolded.However, passing The water quality detection mode of system is mainly to be carried out by manual type, is acquired by Field Force and is detected water body and by live instrument Device carries out online data analysis to being detected water body.This kind of water quality detection mode wastes more manpower financial capacity, causes to detect It is of high cost, and detection cycle is long, and there are problems that for there is the waters of pollution that cannot detect in time.

For water quality detection it is generally necessary to detect many kinds of parameters, as the temperature in water, turbidity, pH value, conductivity, oxidation are gone back The conventional parameters such as former current potential.In addition to this, it is also necessary to detect the concentration of organic pollution in water quality.Patent CN103645290A is carried A kind of water quality on-line detector has been supplied, by the way that multi-wavelength light line detector and data collector is arranged, has been realized simultaneously in water The detection of conventional parameter and organic pollution concentration, however the detector has the disadvantage that：

1) in the detector MCU units in addition to will to data that multi-wavelength optical detection device and data collector acquire into Outside row processing and operation, need to control light source controller, to realize the single detection of multi-wavelength light line detector, The complexity of MCU units calculating can be promoted in this way, increases hardware cost, be not suitable for popularity；

2) detector is the increase in using industry control liquid crystal display although the high-precision that detection data may be implemented is shown The volume of whole device, it is inflexible for use, and multiple interfaces are needed to be linked into industry control liquid crystal display, it has further resulted in hard The increase of part cost；

3) detector cannot intuitively send out early warning when detecting water quality abnormal conditions, lead to the peace of entire detector Full property declines.

Utility model content

The purpose of this utility model is to provide a kind of water quality on-line checking terminal regarding to the issue above.

The purpose of this utility model can be achieved through the following technical solutions：

A kind of water quality on-line checking terminal, including shell and be packaged in enclosure interior MCU controllers, timesharing one-parameter it is more Wavelength optical detector, data acquisition module, gsm module, alarm module and power supply, the acquisition of the data acquisition module End is exposed to hull outside, the input terminals of the MCU controllers respectively with timesharing one-parameter multi-wavelength optical detector and data Acquisition module connects, and the output end of the MCU controllers is connect with alarm module and gsm module respectively, the power supply point It is not connect with MCU controllers, data acquisition module, gsm module and alarm module, the alarm module includes micro-vibration horse It reaches, the vibrating motor is connect with the output end of MCU controllers.

Preferably, the timesharing one-parameter multi-wavelength optical detector includes multiple monochromatic sources, light source controller and light Photodetector, the monochromatic source and photoelectric detector are both exposed to hull outside, and the light outbound course of monochromatic source with Photoelectric detector is located along the same line, the light source controller onboard clock, the light source controller respectively with multiple monochromes Light source connects, and the output end of the photoelectric detector is connect with the input terminal of MCU controllers.

Preferably, the quantity of the monochromatic source is 3.

Preferably, 3 monochromatic sources are respectively 600nm monochromatic sources, 660nm monochromatic sources and 1000nm monochromatic light Source.

Preferably, the timesharing one-parameter multi-wavelength optical detector further includes silicon photocell, the silicon photocell difference It is connect with monochromatic source, light source controller and photoelectric detector.

Preferably, the data acquisition module includes sensor module and analog-digital converter, the biography of the sensor module Sense detecting electrode is exposed to hull outside, and the output end of the sensor module and the input terminal of analog-digital converter connect, described The output end of analog-digital converter is connect with the input terminal of MCU controllers.

Preferably, the sensor module include temperature sensor, turbidity transducer, PH sensor, conductivity sensor, Oxidation-reduction potential ORP sensors and dissolved oxygen DO sensors.

Preferably, the analog-digital converter includes the high-precision A/D Analog-digital Converter chips on 16,8 tunnel.

Preferably, the MCU controllers include STM32F407 chips.

Preferably, the gsm module includes SIM800A chips.

Compared with prior art, the utility model has the advantages that：

(1) the utility model proposes water quality on-line checking terminal, by timesharing one-parameter multi-wavelength optical detector and Data acquisition module can be realized simultaneously the detection to conventional parameter in water quality and organic pollution concentration, and timesharing list is joined Number multi-wavelength optical detector is only connect with the input terminal of MCU controllers, i.e., comes to the more waves of timesharing one-parameter without MCU controllers Long optical detector is controlled, and the work complexity of MCU controllers is reduced, so as to reduce hardware cost；Simultaneously originally Modules in utility model are packaged in shell, and test side is only exposed to hull outside, the body of such whole device Product is small, is conveniently placed at each o'clock to be detected, suitable for mass production and popularity；Simultaneously by being arranged by micro-vibration horse Up to the alarm module of composition, prompting can be generated to staff when water quality has larger problem, and compared with passing through acousto-optic The mode of alarm is reminded more intuitive since the terminal of the utility model is provided in water by way of vibration.

(2) the light source controller onboard clock in timesharing one-parameter multi-wavelength optical detector, it is additional without MCU controllers Control, so that it may be lighted successively with controlling each monochromatic source successively according to certain frequency, MCU controllers can be reduced in this way Computational complexity reduces hardware cost.

(3) quantity of monochromatic source is 3 and respectively 600nm monochromatic sources, 660nm monochromatic sources and 1000nm are monochromatic Light source can detect the concentration of COD, BOD and ammonia nitrogen by these three light sources successively, these three are most common in water quality and most There are three parameters of Clinical significance of detecting, therefore improve the practicability of detection terminal, is suitble to popularity.

(4) timesharing one-parameter multi-wavelength optical detector is individually powered by silicon photocell, utilizes silicon photocell directly handle Luminous energy is converted into the characteristic of electric energy, can carry out secondary use to the light sent out, improve efficiency of energy utilization, save cost.

(5) data acquisition module includes sensor module and analog-digital converter, and parameters are detected by sensor module And handled by analog-digital converter, realize simple at low cost, suitable popularity.

(6) sensor module includes temperature sensor, turbidity transducer, PH sensor, conductivity sensor, redox Current potential ORP sensors and dissolved oxygen DO sensors may be implemented effectively to acquire all common parameters in water quality, detection The wide precision of range is high, is generally applicable to various water quality.

(7) analog-digital converter includes the high-precision A/D Analog-digital Converter chips on 16,8 tunnel, further increases detection essence Degree.

(8) MCU controllers include STM32F407 chips, and performance is high and cheap, enhances the practicality of detection terminal Property.

(9) gsm module includes SIM800A chips, and performance is stable and small, so as to improve the integrated of detection terminal Degree.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model

Wherein, 1 is MCU controllers, and 2 be timesharing one-parameter multi-wavelength optical detector, and 3 be data acquisition module, and 4 are Gsm module, 5 be alarm module.

Specific implementation mode

The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model Implemented premised on technical solution, gives detailed embodiment and specific operating process, but the guarantor of the utility model Shield range is not limited to following embodiments.

As shown in Figure 1, propose a kind of water quality on-line checking terminal in the present embodiment, including shell and it is packaged in shell MCU controllers 1, timesharing one-parameter multi-wavelength optical detector 2, data acquisition module 3, gsm module 4,5 and of alarm module in portion Power supply (uses accumulator) in the present embodiment, the collection terminal of data acquisition module 3 is exposed to hull outside, MCU controllers 1 Input terminal connect respectively with timesharing one-parameter multi-wavelength optical detector 2 and data acquisition module 3, the output of MCU controllers 1 End connect respectively with alarm module 5 and gsm module 4, power supply respectively with MCU controllers 1, data acquisition module 3, GSM moulds Block 4 and alarm module 5 connect, and alarm module 5 includes vibrating motor, the output end of vibrating motor and MCU controllers 1 Connection.

Wherein, timesharing one-parameter multi-wavelength optical detector 2 includes multiple monochromatic sources, light source controller and Photoelectric Detection Device, monochromatic source and photoelectric detector are both exposed to hull outside, and the light outbound course and photoelectric detector of monochromatic source It is located along the same line, light source controller onboard clock, light source controller is connect with multiple monochromatic sources respectively, photoelectric detector Output end connect with the input terminal of MCU controllers 1.In the present embodiment, the quantity of monochromatic source is 3, and respectively 600nm is mono- Color light source, 660nm monochromatic sources and 1000nm monochromatic sources.Timesharing one-parameter multi-wavelength optical detector 2 further includes silicon photoelectricity Pond, silicon photocell are connect with monochromatic source, light source controller and photoelectric detector respectively.Data acquisition module 3 includes sensor Component and analog-digital converter, the sensing detection electrode of sensor module are exposed to hull outside, the output end of sensor module with The input terminal of analog-digital converter connects, and the output end of analog-digital converter is connect with the input terminal of MCU controllers 1.Sensor module Including temperature sensor, turbidity transducer, PH sensor, conductivity sensor, oxidation-reduction potential ORP sensors and dissolved oxygen DO sensors.In the present embodiment, analog-digital converter uses the high-precision A/D Analog-digital Converter chips on 16,8 tunnel, MCU controls Device 1 use STM32F407 chips, gsm module 4 use SIM800A chips, in addition to this, gsm module 4 can also use unicom, Mobile or telecommunications communication card.

The operation principle of water quality on-line checking terminal is as follows in the present embodiment：The water quality on-line checking terminal is due to shell The protection of body, therefore can be placed directly in water at measuring point to be checked, after placement, timesharing one-parameter multi-wavelength optical detector 2 Start to acquire the organic concentration data and other conventional water quality parameters in water, timesharing one-parameter respectively with data acquisition module 3 Multi-wavelength optical detector 2 carries out organic concentration detection, when work, the light of timesharing one-parameter multi-wavelength optical detector 2 Source controller controls each single wavelength light source with certain frequency according to onboard clock and individually works successively, each Single wavelength When light source is worked, light which sends out is irradiated to after being absorbed via water body on photoelectric detector, photoelectric detector record Collected spectral signal each time, then be sent in MCU controllers 1 after all having collected, in the present embodiment, monochromatic source Quantity is 3, respectively 600nm, 660nm, 1000nm, COD, the BOD and ammonia nitrogen concentration being respectively used in detection water；In timesharing While one-parameter multi-wavelength optical detector 2 works, data acquisition module 3 is also working, the data acquisition module 3 The course of work is fairly simple, temperature sensor, turbidity transducer, PH sensor, conductivity sensor, oxidation-reduction potential ORP In water due to test side all exposures, directly detecting relevant parameter in water is for sensor and these sensors of dissolved oxygen DO sensors Can, in the present embodiment, temperature sensor measurement range：0-100 degrees Celsius, measurement accuracy：0.1 degree Celsius；Turbidity transducer is surveyed Measure range：0-1000NTU, measurement accuracy：0.1NTU；PH sensor measurement range：0-14PH, measurement accuracy：0.1PH；Electricity Conductivity sensor measurement range：1-20ms/cm, measurement accuracy：0.1ms/cm；ORP sensor measurement ranges：-1000— 1000mv, measurement accuracy 1mv；DO sensor measurement 0-25mg/L of range, measurement accuracy：0.1mg/L；These sensors will be examined The parameter measured is transmitted in analog-digital converter, is converted into just being transferred to MCU controllers 1 after digital signal and is calculated.

The data that MCU controllers 1 are acquired according to timesharing one-parameter multi-wavelength optical detector 2 and data acquisition module 3 into Row operation is directly delivered to after being converted into corresponding water quality parameter information in gsm module 4, after gsm module 4 converts MCU Water quality information parameter is sent to server end by GPRS network, and staff can independently select through webpage or cell phone application Mode real time inspection server in data.MCU controllers 1 detect water quality severely exceed when, it is most likely that when occur When pollutant leakage, it can control and be worked in alarm module 5 to remind staff note that since detection terminal is to put It sets in water, the obvious degree that prompting is reduced because of the interference of water all easy by audible alarm and light alarm, therefore this In embodiment, by encapsulating vibrating motor in shell, the concussion of the water surface is driven by the vibration of detection terminal, is come timely Staff is reminded to pay attention to quality problem.

In addition to this, can be in one layer of oil film of shell outer cladding in order to enhance the water resistance of detection terminal, while examining When surveying terminal assembly, the outside of each element coats oil film to enhance water resistance in shell, extends making for detection terminal With the service life, enhance job stability.

Claims (10)

1. a kind of water quality on-line checking terminal, which is characterized in that including shell and be packaged in the MCU controllers of enclosure interior, divide When one-parameter multi-wavelength optical detector, data acquisition module, gsm module, alarm module and power supply, the data acquisition The collection terminal of module is exposed to hull outside, and the input terminal of the MCU controllers is examined with timesharing one-parameter multi-wavelength optical respectively It surveys instrument to connect with data acquisition module, the output end of the MCU controllers is connect with alarm module and gsm module respectively, described Power supply is connect with MCU controllers, data acquisition module, gsm module and alarm module respectively, and the alarm module includes micro- Type vibrating motor, the vibrating motor are connect with the output end of MCU controllers.

2. water quality on-line checking terminal according to claim 1, which is characterized in that the timesharing one-parameter multi-wavelength optical Detector includes multiple monochromatic sources, light source controller and photoelectric detector, and the monochromatic source and photoelectric detector expose It is located along the same line with photoelectric detector in the light outbound course of hull outside, and monochromatic source, the light source controller Onboard clock, the light source controller are connect with multiple monochromatic sources respectively, and output end and the MCU of the photoelectric detector are controlled The input terminal of device connects.

3. water quality on-line checking terminal according to claim 2, which is characterized in that the quantity of the monochromatic source is 3.

4. water quality on-line checking terminal according to claim 3, which is characterized in that 3 monochromatic sources are respectively 600nm monochromatic sources, 660nm monochromatic sources and 1000nm monochromatic sources.

5. water quality on-line checking terminal according to claim 2, which is characterized in that the timesharing one-parameter multi-wavelength optical Detector further includes silicon photocell, and the silicon photocell is connect with monochromatic source, light source controller and photoelectric detector respectively.

6. water quality on-line checking terminal according to claim 1, which is characterized in that the data acquisition module includes sensing The sensing detection electrode of device assembly and analog-digital converter, the sensor module is exposed to hull outside, the sensor module Output end and the input terminal of analog-digital converter connect, the output end of the analog-digital converter and the input terminal of MCU controllers connect It connects.

7. water quality on-line checking terminal according to claim 6, which is characterized in that the sensor module includes that temperature passes Sensor, turbidity transducer, PH sensor, conductivity sensor, oxidation-reduction potential ORP sensors and dissolved oxygen DO sensors.

8. water quality on-line checking terminal according to claim 6, which is characterized in that the analog-digital converter includes 8 tunnels 16 High-precision A/D Analog-digital Converter chips of position.

9. water quality on-line checking terminal according to claim 1, which is characterized in that the MCU controllers include STM32F407 chips.

10. water quality on-line checking terminal according to claim 1, which is characterized in that the gsm module includes SIM800A Chip.