CN207937442U - A kind of intelligent turbidity instrument - Google Patents
A kind of intelligent turbidity instrument Download PDFInfo
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- CN207937442U CN207937442U CN201820177306.8U CN201820177306U CN207937442U CN 207937442 U CN207937442 U CN 207937442U CN 201820177306 U CN201820177306 U CN 201820177306U CN 207937442 U CN207937442 U CN 207937442U
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Abstract
The utility model is related to a kind of detection device measuring water turbidity, more particularly to a kind of intelligent turbidity instruments.The signal input part of the single chip machine controlling circuit of the utility model is connected by relay circuit with the power output end of the first power supply circuit, the signal input part of single chip machine controlling circuit is connected with the signal output end of AD sample circuits, the signal input part of AD sample circuits is connected with the signal output end of silicon photo diode amplifying circuit, the power input of silicon photo diode amplifying circuit is connected with the power output end of the second power supply circuit, the signal output end of single chip machine controlling circuit respectively with RS485 interface circuits, display circuit, warning circuit, voltage-current converter circuit, the signal input part of storage circuit is connected.The utility model can accurately measure the turbidity of water, can carry out Site Detection to the turbidity of the lower water of content, and the turbidity of the water detected can be shown and be alarmed, the utility model reliability height, high sensitivity, of low cost.
Description
Technical field
The utility model is related to a kind of detection device measuring water turbidity, more particularly to a kind of intelligent turbidity instruments.
Background technology
Turbidity, the i.e. turbidity of water commonly use turbidity to characterize the cleannes of liquid, and the turbidity of water is that clay etc. is micro
Insoluble suspended material, these suspended materials can adsorb bacterium, and the excessively high health to human body of turbidity can threaten, so needing
The turbidity of water is detected, and in a certain range by turbidity control.
Existing transmissometer is not smart enough, is easy to be interfered by external environment, so as to cause measurement result inaccuracy, and
And it is of high cost, stability is bad, therefore there is an urgent need to provide a kind of intelligent turbidity of simple structure and low cost, stability is good
Instrument.
Utility model content
The utility model in order to overcome the above-mentioned deficiencies of the prior art, provides a kind of of simple structure and low cost, stable
The good intelligent turbidity instrument of property.
Solve the problems, such as that techniques discussed above, the technical solution that the utility model is taken are：
A kind of intelligent turbidity instrument includes single chip machine controlling circuit, the signal input part of the single chip machine controlling circuit by after
Appliance circuit is connected with the power output end of the first power supply circuit, signal input part and the AD sampling electricity of single chip machine controlling circuit
The signal output end on road is connected, and the signal input part of the AD sample circuits is exported with the signal of silicon photo diode amplifying circuit
End is connected, and the power input of the silicon photo diode amplifying circuit is connected with the power output end of the second power supply circuit,
The signal output end of the single chip machine controlling circuit respectively with RS485 interface circuits, display circuit, warning circuit, voltage and current
Conversion circuit, storage circuit signal input part be connected.
Preferably, the single chip machine controlling circuit includes control chip, the model of the control chip
STM32F103RCT6 chips, pin 43, the pin 42 of STM32F103RCT6 chips are all connected with relay circuit,
Pin 35, the pin 36 of STM32F103RCT6 chips are all connected with AD sample circuits, and the pin 14 of STM32F103RCT6 chips connects
Voltage-current converter circuit is connect, pin 29, pin 30, the pin 31 of STM32F103RCT6 chips are all connected with RS485 interface electricity
Road.
Preferably, the relay circuit includes identical first relay module of circuit structure and the second relay mould
Block, the base stage of first relay module including the first triode Q1, the first triode Q1 respectively with 3rd resistor R3
One end, the 4th resistance R4 one end be connected, the other end of the 4th resistance R4 connection STM32F103RCT6 chips draw
Foot 43, the other end of the 3rd resistor R3 are separately connected the emitter and power supply of the first triode Q1, and the described 1st
The collector of pole pipe Q1 be separately connected one end of the 5th resistance R5, the 6th resistance R6 one end, the 5th resistance R5's is another
The emitter of the base stage of the second triode Q2 of end connection, the second triode Q2 connects the other end of the 6th resistance R6 and connects
Ground, the collector of the second triode Q2 are separately connected one end of the anode of the first diode D1, electromagnet, and the described 1st
The cathode of pole pipe D1, the other end of electromagnet are all connected with power supply, and first relay module further includes being matched with electromagnet
Switch, the movable end of the switch is connected with an output end of the first power supply circuit, one of switch fixing end
It is connected with another output end of the first power supply circuit.
Preferably, the AD sample circuits include AD conversion chip, the model ADS1100 cores of the AD conversion chip
Piece, the pin 1 of the ADS1100 chips connect the signal output end of silicon photo diode amplifying circuit, the pin of ADS1100 chips
3 are separately connected the pin 35 of STM32F103RCT6 chips and one end of thirteenth resistor R13, the pin 4 of ADS1100 chips
It is separately connected the pin 36 of STM32F103RCT6 chips and one end of twelfth resistor R12, the thirteenth resistor R13's
The other end, twelfth resistor R12 the other end be all connected with power supply, the pin 5 of ADS1100 chips is separately connected eleventh resistor
The cathode of one end of R11 and the 4th zener diode D4, the other end of the eleventh resistor R11 connect power supply, and described the
The cathode of the anode connection third zener diode D3 of four zener diode D4, the anode of the third zener diode D3 connect
Ground.
Preferably, the silicon photo diode amplifying circuit includes the first signal amplifier A1, first signal amplifier
The positive signal input terminal of A1 is separately connected one end of the 7th capacitance C7, one end of the 16th resistance R16 and external interface, the
The negative signal input terminal of one signal amplifier A1 be separately connected one end of the 14th resistance R14, the 15th resistance R15 one end
And the 8th capacitance C8 one end, the 14th resistance R14 the other end ground connection, the other end of the 15th resistance R15,
The other end of 8th capacitance C8 respectively connects one end of the 18th resistance R18 and the signal output of the first signal amplifier A1
End, the other end of the 18th resistance R18 be separately connected one end of the 17th resistance R17, second signal amplifier A2 it is negative
Pole signal input part, the positive signal input end grounding of the second signal amplifier A2, the signal of second signal amplifier A2
Output end is separately connected one end of the 19th resistance R19, one end of the 9th capacitance C9, the other end of the 16th resistance R16, the 7th
The other end of capacitance C7, the other end of the 9th capacitance C9 connect the other end of the 17th resistance R17, the 19th resistance
The other end of R19 be separately connected one end of the first inductance L1, the tenth capacitance C10 one end, the other end of the first inductance L1
It is separately connected one end of the 11st capacitance C11 and the signal input part of AD sample circuits, the tenth capacitance C10's is another
It holds, the other end of the 11st capacitance C11 is grounded.
Further, the third zener diode D3, the 4th zener diode D4 chip model be LM385.
Further, the first signal amplifier A1, second signal amplifier A2 chip model be LTC6244.
Further, first power supply circuit includes power conversion chip, the model of the power conversion chip
XC6206 chips.
Further, the display circuit is liquid crystal display, and the warning circuit is flashing light and/or buzzer.
Further, this intelligent turbidity instrument further includes external equipment, the signal output end of the voltage-current converter circuit
It is connected with the signal input part of external equipment.
The beneficial effects of the utility model are：
(1), the utility model include single chip machine controlling circuit, relay circuit, AD sample circuits, RS485 interface circuits,
Display circuit, warning circuit, silicon photo diode amplifying circuit, voltage-current converter circuit, the first power supply circuit, the second power supply electricity
Road, the utility model can accurately measure the turbidity of water, and can carry out Site Detection to the turbidity of the lower water of content,
And the turbidity of the water detected can be shown and be alarmed, and the utility model reliability height, high sensitivity, cost
It is cheap, stability is good.
(2), the single chip machine controlling circuit includes control chip, the model STM32F103RCT6 of the control chip
Chip, STM32F103RCT6 chip processing signal speeds are fast, at low cost, and STM32F103RCT6 chips and its peripheral circuit are
AD sample circuits, silicon photo diode amplifying circuit, the structure of voltage-current converter circuit are simple, are easy to build.
(3), the signal output end of the voltage-current converter circuit is connected with external equipment, the water that can will be detected
Turbidity information user is notified by way of short message, play the role of alarm.
Description of the drawings
The content of every width attached drawing expression in the utility model specification and the label in figure are briefly described below：
Fig. 1 is the structure principle chart of the utility model；
Fig. 2 is the schematic diagram of the single chip machine controlling circuit of the utility model；
Fig. 3 is the schematic diagram of the relay circuit of the utility model；
Fig. 4 is the schematic diagram of the AD sample circuits of the utility model；
Fig. 5 is the schematic diagram of the silicon photo diode amplifying circuit of the utility model.
Reference numeral meaning in figure is as follows：
10-20-relay circuits of single chip machine controlling circuit
30-AD sample circuit 40-RS485 interface circuits
50-60-warning circuits of display circuit
70-silicon photo diode 80-voltage-current converter circuits of amplifying circuit
90-the first the 100-the second power supply circuit of power supply circuit
Specific implementation mode
It is the shape of each component for example involved to specific embodiment of the present utility model, construction, each below against attached drawing
The effect of mutual alignment and connection relation, each section between part and operation principle etc. are described in further detail：
As shown in Figure 1, a kind of intelligent turbidity instrument includes single chip machine controlling circuit 10, the letter of the single chip machine controlling circuit 10
Number input terminal is connected by relay circuit 20 with the power output end of the first power supply circuit 90, single chip machine controlling circuit 10
Signal input part is connected with the signal output end of AD sample circuits 30, signal input part and the silicon light of the AD sample circuits 30
The signal output end of diode amplifying circuit 70 is connected, the power input and second of the silicon photo diode amplifying circuit 70
The power output end of power supply circuit 100 is connected, the signal output end of the single chip machine controlling circuit 10 respectively with RS485 interfaces
Circuit 40, display circuit 50, warning circuit 60, voltage-current converter circuit 80, storage circuit signal input part be connected.
Further, the display circuit 50 is liquid crystal display, and the warning circuit 60 is flashing light, and storage circuit is
Eeprom memory.
The relay circuit 20 plays the role of controlling this intelligent turbidity instrument break-make, the signal of the relay circuit 20
After input terminal accesses power supply, switch connection, single chip machine controlling circuit 10 powers on, this intelligent turbidity instrument is started to work.
The input terminal of the silicon photo diode amplifying circuit 70 connects the sensor of the turbid ity signal for acquiring water, and right
Signal is amplified.
As shown in Fig. 2, the single chip machine controlling circuit 10 includes control chip, the model of the control chip
STM32F103RCT6 chips, pin 43, the pin 42 of STM32F103RCT6 chips are all connected with relay circuit 20,
Pin 35, the pin 36 of STM32F103RCT6 chips are all connected with AD sample circuits 30, the pin 14 of STM32F103RCT6 chips
Voltage-current converter circuit 80 is connected, pin 29, pin 30, the pin 31 of STM32F103RCT6 chips are all connected with RS485 interfaces
Circuit 40.
As shown in figure 3, the relay circuit 20 includes identical first relay module of circuit structure and the second relay
Device module, first relay module include that the base stage of the first triode Q1, the first triode Q1 is electric with third respectively
One end of one end, the 4th resistance R4 for hindering R3 is connected, and the other end of the 4th resistance R4 connects STM32F103RCT6 chips
Pin 43, the other end of the 3rd resistor R3 is separately connected the emitter and power supply of the first triode Q1, described
The collector of one triode Q1 be separately connected one end of the 5th resistance R5, the 6th resistance R6 one end, the 5th resistance R5's
The other end connects the base stage of the second triode Q2, and the emitter of the second triode Q2 connects the other end of the 6th resistance R6 simultaneously
Ground connection, the collector of the second triode Q2 are separately connected one end of the anode of the first diode D1, electromagnet, and described first
The cathode of diode D1, the other end of electromagnet are all connected with power supply, and first relay module further includes matching with electromagnet
The switch of conjunction, the movable end of the switch are connected with an output end of the first power supply circuit 90, and one of switch is solid
Fixed end is connected with another output end of the first power supply circuit 90.
As shown in figure 4, the AD sample circuits 30 include AD conversion chip, the model of the AD conversion chip
ADS1100 chips, the pin 1 of the ADS1100 chips connect the signal output end of silicon photo diode amplifying circuit 70,
The pin 3 of ADS1100 chips is separately connected the pin 35 of STM32F103RCT6 chips and one end of thirteenth resistor R13,
The pin 4 of ADS1100 chips is separately connected the pin 36 of STM32F103RCT6 chips and one end of twelfth resistor R12, institute
The other end of the other end, twelfth resistor R12 of stating thirteenth resistor R13 is all connected with power supply, and the pin 5 of ADS1100 chips divides
Not Lian Jie one end of eleventh resistor R11 and the cathode of the 4th zener diode D4, the other end of the eleventh resistor R11
Connect power supply, the cathode of the anode connection third zener diode D3 of the 4th zener diode D4, the third voltage stabilizing two
The plus earth of pole pipe D3.
Specifically, the chip model of the third zener diode D3, the 4th zener diode D4 are LM385.
As shown in figure 5, the silicon photo diode amplifying circuit 70 includes the first signal amplifier A1, first signal is put
The positive signal input terminal of big device A1 is separately connected one end of the 7th capacitance C7, one end of the 16th resistance R16 and outside and connects
Mouthful, the negative signal input terminal of the first signal amplifier A1 is separately connected one end of the 14th resistance R14, the 15th resistance R15
One end and the 8th capacitance C8 one end, the 14th resistance R14 the other end ground connection, the 15th resistance R15's
The other end, the 8th capacitance C8 the other end respectively connect one end and the first signal amplifier A1 of the 18th resistance R18
The other end of signal output end, the 18th resistance R18 is separately connected one end of the 17th resistance R17, second signal amplification
The negative signal input terminal of device A2, the positive signal input end grounding of the second signal amplifier A2, second signal amplifier
The signal output end of A2 be separately connected one end of the 19th resistance R19, one end of the 9th capacitance C9, the 16th resistance R16 it is another
One end, the 7th capacitance C7 the other end, the other end of the 9th capacitance C9 connects the other end of the 17th resistance R17, described
The other end of 19th resistance R19 be separately connected one end of the first inductance L1, the tenth capacitance C10 one end, first inductance
The other end of L1 is separately connected one end of the 11st capacitance C11 and the signal input part of AD sample circuits 30, the tenth electricity
The other end of the other end, the 11st capacitance C11 that hold C10 is grounded.
Specifically, the chip model of the first signal amplifier A1, second signal amplifier A2 are LTC6244.
The signal amplifier of the voltage-current converter circuit 80 including model LM324, triode, diode, capacitance,
The components such as resistance, voltage-current converter circuit 80 exports the current signal of 4mA~20mA after converting the voltage into, to detect
To the information warning of turbid ity signal of water be transmitted to user mobile phone.
Second power supply circuit 100 is used to provide electricity for silicon photo diode amplifying circuit 70 and single chip machine controlling circuit 10
Source.
First power supply circuit 90 is used to provide the power supply of+24V.
To keep technical solutions of the utility model of greater clarity, below by way of a specific embodiment to the utility model
The course of work illustrates.
As shown in Figure 1, after the signal input part access power supply of the relay circuit 20, switch connection, microcontroller control
Circuit 10 powers on, this intelligent turbidity instrument is started to work, and acquires the turbidity of water in real time for acquiring the sensor of turbid ity signal of water
The turbid ity signal of collected water is amplified by signal, silicon photo diode amplifying circuit 70 first, then passes through AD sample circuits
30 are converted, and are sent to single chip machine controlling circuit 10 after being converted into digital signal, the single chip machine controlling circuit 10 judges number
Whether word signal is more than internal pre-set threshold value, if it exceeds the threshold, control flashing light or buzzer warning, to remind work
The turbidity for making the current water of personnel is more than the turbidity information that threshold value and real-time control liquid crystal display show water, microcontroller control
Circuit 10 controls voltage-current converter circuit 80 and converts the voltage into rear output current signal, for example, being corresponded to when voltage is 0V defeated
Go out 4mA electric currents, output 20mA electric currents is corresponded to when voltage is 3V, voltage-current converter circuit 80 will be electric by signal conversion equipment
Stream signal is converted, and the information of conversion is finally passed through SMS message transmission to user mobile phone.Meanwhile eeprom memory plays
Store the effect of data.
In conclusion the utility model can accurately measure the turbidity of water, and can be to the turbid of the lower water of content
Degree carries out Site Detection, and the turbidity of the water detected can be shown and be alarmed, and the utility model reliability
Height, high sensitivity, of low cost, stability is good.
The above content is the further descriptions made to the utility model in conjunction with specific preferred embodiment, cannot recognize
Determine specific embodiment of the present utility model and is confined to these explanations.For the common skill of the utility model technical field
For art personnel, the other embodiment obtained in the case where not departing from the technical solution of the utility model should be included in this practicality
In novel protection domain.
Claims (10)
1. a kind of intelligent turbidity instrument, it is characterised in that：Including single chip machine controlling circuit (10), the single chip machine controlling circuit (10)
Signal input part be connected with the power output end of the first power supply circuit (90) by relay circuit (20), microcontroller control
The signal input part of circuit (10) is connected with the signal output end of AD sample circuits (30), the letter of the AD sample circuits (30)
Number input terminal is connected with the signal output end of silicon photo diode amplifying circuit (70), the silicon photo diode amplifying circuit (70)
Power input be connected with the power output end of the second power supply circuit (100), the letter of the single chip machine controlling circuit (10)
Number output end respectively with RS485 interface circuits (40), display circuit (50), warning circuit (60), voltage-current converter circuit
(80), the signal input part of storage circuit is connected.
2. a kind of intelligent turbidity instrument as described in claim 1, it is characterised in that：The single chip machine controlling circuit (10) includes control
Coremaking piece, the model STM32F103RCT6 chips of the control chip, pin 43, the pin 42 of STM32F103RCT6 chips
It is all connected with relay circuit (20), pin 35, the pin 36 of STM32F103RCT6 chips are all connected with AD sample circuits (30),
The connection voltage-current converter circuit of pin 14 (80) of STM32F103RCT6 chips, the pin 29 of STM32F103RCT6 chips,
Pin 30, pin 31 are all connected with RS485 interface circuits (40).
3. a kind of intelligent turbidity instrument as claimed in claim 2, it is characterised in that：The relay circuit (20) includes circuit knot
Identical first relay module of structure and the second relay module, first relay module include the first triode Q1, institute
The base stage for stating the first triode Q1 is connected with one end of one end of 3rd resistor R3, the 4th resistance R4 respectively, the 4th electricity
The pin 43 of the other end connection STM32F103RCT6 chips of R4 is hindered, the other end of the 3rd resistor R3 is separately connected first
The collector of the emitter and power supply of triode Q1, the first triode Q1 is separately connected one end of the 5th resistance R5,
One end of six resistance R6, the other end of the 5th resistance R5 connect the base stage of the second triode Q2, the second triode Q2
Emitter connect the 6th resistance R6 the other end and ground connection, the collector of the second triode Q2 be separately connected the one or two pole
The anode of pipe D1, one end of electromagnet, the cathode of the first diode D1, the other end of electromagnet are all connected with power supply, described
First relay module further include with the matched switch of electromagnet, the movable end of the switch and the first power supply circuit (90)
One output end is connected, and one of switch fixing end is connected with another output end of the first power supply circuit (90).
4. a kind of intelligent turbidity instrument as claimed in claim 3, it is characterised in that：The AD sample circuits (30) include AD conversion
Chip, the model ADS1100 chips of the AD conversion chip, the pin 1 of the ADS1100 chips connect silicon photo diode and put
The signal output end of big circuit (70), the pins 3 of ADS1100 chips be separately connected the pin 35 of STM32F103RCT6 chips with
And one end of thirteenth resistor R13, the pins 4 of ADS1100 chips be separately connected STM32F103RCT6 chips pin 36 and
One end of twelfth resistor R12, the other end of the thirteenth resistor R13, the other end of twelfth resistor R12 are all connected with electricity
The pin 5 in source, ADS1100 chips is separately connected one end of eleventh resistor R11 and the cathode of the 4th zener diode D4, institute
State the other end connection power supply of eleventh resistor R11, the anode connection third zener diode of the 4th zener diode D4
The cathode of D3, the plus earth of the third zener diode D3.
5. a kind of intelligent turbidity instrument as claimed in claim 4, it is characterised in that：The silicon photo diode amplifying circuit (70)
Including the first signal amplifier A1, the positive signal input terminal of the first signal amplifier A1 is separately connected the 7th capacitance C7's
The negative signal input terminal of one end, one end of the 16th resistance R16 and external interface, the first signal amplifier A1 is separately connected
One end, one end of the 15th resistance R15 and one end of the 8th capacitance C8 of 14th resistance R14, the 14th resistance R14
The other end ground connection, the other end of the 15th resistance R15, the other end of the 8th capacitance C8 respectively connect the 18th resistance
The other end of the signal output end of one end of R18 and the first signal amplifier A1, the 18th resistance R18 is separately connected
One end of 17 resistance R17, the negative signal input terminal of second signal amplifier A2, the anode of the second signal amplifier A2
Signal input part is grounded, and the signal output end of second signal amplifier A2 is separately connected one end of the 19th resistance R19, the 9th electricity
Hold one end of C9, the other end of the 16th resistance R16, the 7th capacitance C7 the other end, the other end of the 9th capacitance C9 connects
The other end of the 17th resistance R17 is connect, the other end of the 19th resistance R19 is separately connected one end of the first inductance L1,
The other end of one end of ten capacitance C10, the first inductance L1 is separately connected one end and the AD sampling electricity of the 11st capacitance C11
The signal input part on road (30), the other end of the tenth capacitance C10, the other end of the 11st capacitance C11 are grounded.
6. a kind of intelligent turbidity instrument as claimed in claim 4, it is characterised in that：The third zener diode D3, the 4th are surely
It is LM385 to press the chip model of diode D4.
7. a kind of intelligent turbidity instrument as claimed in claim 5, it is characterised in that：The first signal amplifier A1, the second letter
The chip model of number amplifier A2 is LTC6244.
8. a kind of intelligent turbidity instrument as described in claim 1, it is characterised in that：First power supply circuit (90) includes power supply
Conversion chip, the model XC6206 chips of the power conversion chip.
9. a kind of intelligent turbidity instrument as described in claim 1~8 any one, it is characterised in that：The display circuit (50)
For liquid crystal display, the warning circuit (60) is flashing light and/or buzzer.
10. a kind of intelligent turbidity instrument as claimed in claim 7, it is characterised in that：This intelligent turbidity instrument further includes external equipment,
The signal output end of the voltage-current converter circuit (80) is connected with the signal input part of external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177306.8U CN207937442U (en) | 2018-02-01 | 2018-02-01 | A kind of intelligent turbidity instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820177306.8U CN207937442U (en) | 2018-02-01 | 2018-02-01 | A kind of intelligent turbidity instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937442U true CN207937442U (en) | 2018-10-02 |
Family
ID=63650961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820177306.8U Active CN207937442U (en) | 2018-02-01 | 2018-02-01 | A kind of intelligent turbidity instrument |
Country Status (1)
| Country | Link |
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| CN (1) | CN207937442U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681263A (en) * | 2022-12-29 | 2023-02-03 | 江苏恒立液压科技有限公司 | Circuit structure of electro-hydraulic proportional movement controller and use method thereof |
-
2018
- 2018-02-01 CN CN201820177306.8U patent/CN207937442U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681263A (en) * | 2022-12-29 | 2023-02-03 | 江苏恒立液压科技有限公司 | Circuit structure of electro-hydraulic proportional movement controller and use method thereof |
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