CN207937809U

CN207937809U - A kind of Intelligent water quality analysis meter

Info

Publication number: CN207937809U
Application number: CN201820177324.6U
Authority: CN
Inventors: 吴宝露
Original assignee: Wuxi Wu Bo Xin Yi Electronic Technology Co Ltd
Current assignee: Wuxi Wu Bo Xin Yi Electronic Technology Co Ltd
Priority date: 2018-02-01
Filing date: 2018-02-01
Publication date: 2018-10-02
Anticipated expiration: 2028-02-01

Abstract

The utility model is related to a kind of detection device measuring water quality, more particularly to a kind of Intelligent water quality analysis meters.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 power input of the AD sample circuits 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, DA conversion circuits, the signal input part of storage circuit is connected, the signal output end of the DA conversion circuits is connected with the signal input part of signal amplification circuit.The utility model can analyze water quality, and can carry out Site Detection to water, and the chemical composition content of the water detected can be shown and be alarmed, and the utility model reliability height, high sensitivity, of low cost.

Description

A kind of Intelligent water quality analysis meter

Technical field

The utility model is related to a kind of detection device measuring water quality, more particularly to a kind of Intelligent water quality analysis meters.

Background technology

In order to protect water environment, it is necessary to reinforce the monitoring to sewage discharge, test point usually requires setting Water Test Kits, Water Test Kits is used to measure the content of chemical composition in water, and the quality of Water Test Kits plays monitoring water environment most important Effect.

Existing Water Test Kits is not smart enough, is easy to be interfered by external environment, inaccurate so as to cause measurement result Really, and of high cost, stability is bad, therefore there is an urgent need to provide a kind of water quality of simple structure and low cost, stability is good Analyzer.

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 water quality analysis meter 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 water quality analysis meter includes single chip machine controlling circuit, and the signal input part of the single chip machine controlling circuit is logical It crosses relay circuit with the power output end of the first power supply circuit to be connected, signal input part and the AD of single chip machine controlling circuit are adopted The signal output end of sample circuit is connected, the power output end of the power input and the second power supply circuit of the AD sample circuits Be connected, the signal output end of the single chip machine controlling circuit respectively with RS485 interface circuits, display circuit, warning circuit, DA Conversion circuit, storage circuit signal input part be connected, the signal output end and signal amplification circuit of the DA conversion circuits Signal input part be connected, the signal output end of the signal amplification circuit is connected with external equipment.

Preferably, the single chip machine controlling circuit includes control chip, the model C8051F040 cores of the control chip Piece, pin 18, pin 58, the pin 59 of the C8051F040 chips are connected with AD sample circuits, C8051F040 chips Pin 60, pin 62, pin 96 be connected with DA conversion circuits.

Preferably, the AD sample circuits include AD conversion chip, the model of the AD conversion chip ADS1110A0IDBVR chips, the pins 1 of the ADS1110A0IDBVR chips respectively with external interface and the 4th resistance R4 One end be connected, the pin 18 of the other end of the 4th resistance R4 connection C8051F040 chips, ADS1110A0IDBVR cores The pin 3 of piece be separately connected one end of the 5th resistance R5, C8051F040 chips pin 58, ADS1110A0IDBVR chips Pin 4 be separately connected one end of the 6th resistance R6, C8051F040 chips pin 59, the other end of the 5th resistance R5, The other end of six resistance R6 is all connected with power supply.

Preferably, the DA conversion circuits include the first chip 1U1, the second chip 1U2, third chip 1U3, fourth chip The model DAC7512N of 1U4, the first chip 1U1, the model TLP181GB of the second chip 1U2, the third Chip 1U3, fourth chip 1U4 model be 6N137, the pin 1 of the first chip 1U1 connects thirteenth resistor R13's One end, the signal input part of the other end connection signal amplifying circuit of the thirteenth resistor R13, the pin 4 of the first chip 1U1 It is separately connected one end of the tenth resistance R10 and the pin 6 of fourth chip 1U4, the other end of the tenth resistance R10 connects respectively The pin 7, pin 8 and power supply of fourth chip 1U4 are connect, the pin 2 of the fourth chip 1U4 passes through the 7th resistance R7 connection electricity Source, the pin 3 of fourth chip 1U4 connect the pin 60 of C8051F040 chips, and the pin 5 of the first chip 1U1 is separately connected the tenth One end of one resistance R11 and the pin 6 of third chip 1U3, the other end of the eleventh resistor R11 are separately connected third core The pin 2 of pin 7, pin 8 and the power supply of piece 1U3, the third chip 1U3 passes through the 8th resistance R8 connection power supplys, third The pin 3 of chip 1U3 connects the pin 62 of C8051F040 chips, and the pin 6 of the first chip 1U1 is separately connected twelfth resistor The other end of the pin 4 of one end of R12 and the second chip 1U2, the twelfth resistor R12 connects power supply, second core For the pin 1 of piece 1U2 by the 9th resistance R9 connection power supplys, the pin 2 of the second chip 1U2 connects the pin of C8051F040 chips 96。

Preferably, the signal amplification circuit includes the 14th resistance R14 and the 15th resistance R15, the 14th electricity One end of one end, the 15th resistance R15 for hindering R14 is all connected with the other end of thirteenth resistor R13, the 15th resistance R15 Other end ground connection, the other end of the 14th resistance R14 connects the positive signal input terminal of the first signal amplifier A1, described the The negative signal input terminal of one signal amplifier A1 is separately connected one end of the 18th resistance R18 and the hair of third transistor Q3 Emitter-base bandgap grading, the other end ground connection of the 18th resistance R18, the signal output end of the first signal amplifier A1 connect third transistor The collector of the base stage of Q3, the third transistor Q3 is separately connected one end of the 17th resistance R17, second signal amplifier A2 Positive signal input terminal, the other end of the 17th resistance R17 is separately connected one end of the 16th resistance R16, first steady The anode of diode D1, the cathode of the first zener diode D1 is pressed to connect power supply, the other end difference of the 16th resistance R16 Connect the negative signal input terminal of second signal amplifier A2, the emitter of the first triode Q1, the second signal amplifier The signal output end of A2 connects the base stage of the second triode Q2, and the emitter of the second triode Q2 connects the first triode Q1 Base stage, the collector of the second triode Q2, the first triode Q1 collector be all connected with external equipment.

Further, the first signal amplifier A1, second signal amplifier A2 model be LM358.

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, the storage circuit is eeprom memory.

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, signal amplification circuit, DA conversion circuits, the first power supply circuit, the second power supply circuit, this practicality are new Type can analyze water quality, and can carry out Site Detection to water, and can be by the chemical composition of the water detected Content is shown and is alarmed, and the utility model reliability height, high sensitivity, of low cost, stability is good.

(2), the single chip machine controlling circuit includes control chip, the model C8051F040 chips of the control chip, C8051F040 chip processing signal speeds are fast, at low cost, C8051F040 chips and its peripheral circuit, that is, AD sample circuits, letter Number amplifying circuit, the structure of DA conversion circuits are simple, are easy to build.

(3), the signal output end of the signal amplification circuit is connected with external equipment, can be by the change of the water detected It learns component content information and notifies user 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 AD sample circuits of the utility model；

Fig. 4 is the schematic diagram of the DA conversion circuits of the utility model；

Fig. 5 is the schematic diagram of the signal amplification 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-signal amplification circuit 80-DA conversion circuits

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 water quality analysis meter includes 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, single chip machine controlling circuit 10 signal input part is connected with the signal output end of AD sample circuits 30, the power input of the AD sample circuits 30 with The power output end of second power supply circuit 100 is connected, the signal output end of the single chip machine controlling circuit 10 respectively with RS485 Interface circuit 40, display circuit 50, warning circuit 60, DA conversion circuits 80, storage circuit signal input part be connected, it is described The signal output end of DA conversion circuits 80 is connected with the signal input part of signal amplification circuit 70, the signal amplification circuit 70 Signal output end be connected with external equipment.

Each sensor of chemical composition content of the signal input part connection of AD sample circuits 30 for detecting water is connected It connects, the sensor of the common chemical composition content for detecting water respectively includes residual chlorine sensor, conductivity sensor, PH and passes The chemical composition content of the water detected is sent to AD sampling electricity by sensor, ORP sensors, turbidity transducer, each sensor Road 30, feeding single chip machine controlling circuit 10 is analyzed after being converted to digital signal.

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 play the role of control this Water Test Kits break-make, relay circuit 20 include switch and Electromagnet, the relay circuit 20 signal input part access power supply after, switch connection, single chip machine controlling circuit 10 powers on, This Water Test Kits is started to work.

As shown in Fig. 2, the single chip machine controlling circuit 10 includes control chip, the model of the control chip C8051F040 chips, pin 18, pin 58, the pin 59 of the C8051F040 chips are connected with AD sample circuits 30, Pin 60, pin 62, the pin 96 of C8051F040 chips are connected with DA conversion circuits 80.

As shown in figure 3, the AD sample circuits 30 include AD conversion chip, the model of the AD conversion chip ADS1110A0IDBVR chips, the pins 1 of the ADS1110A0IDBVR chips respectively with external interface and the 4th resistance R4 One end be connected, the pin 18 of the other end of the 4th resistance R4 connection C8051F040 chips, ADS1110A0IDBVR cores The pin 3 of piece be separately connected one end of the 5th resistance R5, C8051F040 chips pin 58, ADS1110A0IDBVR chips Pin 4 be separately connected one end of the 6th resistance R6, C8051F040 chips pin 59, the other end of the 5th resistance R5, The other end of six resistance R6 is all connected with power supply.

As shown in figure 4, the DA conversion circuits 80 include the first chip 1U1, the second chip 1U2, third chip 1U3, the The model DAC7512N of four chip 1U4, the first chip 1U1, the model TLP181GB of the second chip 1U2, institute State third chip 1U3, the model of fourth chip 1U4 is 6N137, the connection thirteenth resistor of pin 1 of the first chip 1U1 One end of R13, the signal input part of the other end connection signal amplifying circuit 70 of the thirteenth resistor R13, the first chip 1U1 Pin 4 be separately connected one end of the tenth resistance R10 and the pin 6 of fourth chip 1U4, the tenth resistance R10's is another End is separately connected the pin 7, pin 8 and power supply of fourth chip 1U4, and the pin 2 of the fourth chip 1U4 passes through the 7th resistance R7 connection power supplys, the pin 3 of fourth chip 1U4 connect the pin 60 of C8051F040 chips, and the pin 5 of the first chip 1U1 is distinguished It connects one end of eleventh resistor R11 and the pin 6 of third chip 1U3, the other end of the eleventh resistor R11 connects respectively The pin 7, pin 8 and power supply of third chip 1U3 are connect, the pin 2 of the third chip 1U3 passes through the 8th resistance R8 connection electricity Source, the pin 3 of third chip 1U3 connect the pin 62 of C8051F040 chips, and the pin 6 of the first chip 1U1 is separately connected the tenth The other end of the pin 4 of one end of two resistance R12 and the second chip 1U2, the twelfth resistor R12 connects power supply, described The pin 1 of second chip 1U2 connects C8051F040 chips by the 9th resistance R9 connection power supplys, the pin 2 of the second chip 1U2 Pin 96.

As shown in figure 5, the signal amplification circuit 70 includes the 14th resistance R14 and the 15th resistance R15, the described tenth One end of four resistance R14, one end of the 15th resistance R15 are all connected with the other end of thirteenth resistor R13, the 15th resistance The other end of R15 is grounded, and the other end of the 14th resistance R14 connects the positive signal input terminal of the first signal amplifier A1, institute The negative signal input terminal for stating the first signal amplifier A1 is separately connected one end and the third transistor Q3 of the 18th resistance R18 Emitter, the 18th resistance R18 the other end ground connection, the first signal amplifier A1 signal output end connection the three or three The collector of the base stage of pole pipe Q3, the third transistor Q3 is separately connected one end of the 17th resistance R17, second signal amplification The other end of the positive signal input terminal of device A2, the 17th resistance R17 is separately connected one end of the 16th resistance R16, The cathode of the anode of one zener diode D1, the first zener diode D1 connects power supply, the other end of the 16th resistance R16 It is separately connected the negative signal input terminal of second signal amplifier A2, the emitter of the first triode Q1, the second signal is put The signal output end of big device A2 connects the base stage of the second triode Q2, and the emitter of the second triode Q2 connects the one or three pole The base stage of pipe Q1, the collector of the second triode Q2, the first triode Q1 collector be all connected with external equipment.

Specifically, the model of the first signal amplifier A1, second signal amplifier A2 are LM358.

First power supply circuit 90 includes power conversion chip, the model XC6206 cores of the power conversion chip Piece.

Second power supply circuit 100 is used to provide power supply for AD sample circuits 30 and single chip machine controlling circuit 10.

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 water quality analysis meter is started to work, and starts to detect for detecting the sensor of chemical composition content of water The chemical composition content of water, and collected chemical composition content is sent to AD sample circuits 30, the AD sample circuits 30 Digital signal is converted analog signals into, single chip machine controlling circuit 10, the microcontroller control are sent to after being converted into digital signal Circuit 10 processed judges whether digital signal is more than internal pre-set threshold value, if it exceeds the threshold, control flashing light or buzzer Alarm is more than threshold value and real-time control liquid crystal display to remind each chemical composition content of the current water of staff Show that the chemical composition content information of water, single chip machine controlling circuit 10 control DA conversion circuits 80 and converts digital signals into simulation Signal is amplified so that analog signal is sent to signal amplification circuit 70, the signal output end of signal amplification circuit 70 with External equipment is connected, and the chemical composition content information of the water detected by way of short message can be notified user, played The effect of alarm.Meanwhile eeprom memory plays the role of storing data.

In conclusion the utility model can analyze water quality, and can carry out water Site Detection, and energy It is enough that the chemical composition content of the water detected is shown and alarmed, and the utility model reliability height, high sensitivity, at This is cheap, 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

1. a kind of Intelligent water quality analysis meter, it is characterised in that：Including single chip machine controlling circuit (10), the single chip machine controlling circuit (10) signal input part is connected by relay circuit (20) with the power output end of the first power supply circuit (90), microcontroller The signal input part of control circuit (10) is connected with the signal output end of AD sample circuits (30), the AD sample circuits (30) 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), DA conversion circuits (80), storage The signal input part of circuit is connected, the signal of the signal output end and signal amplification circuit (70) of the DA conversion circuits (80) Input terminal is connected, and the signal output end of the signal amplification circuit (70) is connected with external equipment.

2. a kind of Intelligent water quality analysis meter as described in claim 1, it is characterised in that：Single chip machine controlling circuit (10) packet Include control chip, the model C8051F040 chips of the control chip, pin 18, the pin of the C8051F040 chips 58, pin 59 is connected with AD sample circuits (30), and pin 60, pin 62, the pin 96 of C8051F040 chips turn with DA Circuit (80) is changed to be connected.

3. a kind of Intelligent water quality analysis meter as claimed in claim 2, it is characterised in that：The AD sample circuits (30) include AD Conversion chip, the model ADS1110A0IDBVR chips of the AD conversion chip, the ADS1110A0IDBVR chips draw Foot 1 is connected with one end of external interface and the 4th resistance R4 respectively, the other end connection of the 4th resistance R4 The pin 18 of C8051F040 chips, the pins 3 of ADS1110A0IDBVR chips be separately connected one end of the 5th resistance R5, The pin 58 of C8051F040 chips, the pins 4 of ADS1110A0IDBVR chips be separately connected one end of the 6th resistance R6, The pin 59 of C8051F040 chips, the other end of the 5th resistance R5, the other end of the 6th resistance R6 are all connected with power supply.

4. a kind of Intelligent water quality analysis meter as claimed in claim 3, it is characterised in that：The DA conversion circuits (80) include the One chip 1U1, the second chip 1U2, third chip 1U3, fourth chip 1U4, the model of the first chip 1U1 The model TLP181GB of DAC7512N, the second chip 1U2, the third chip 1U3, the model of fourth chip 1U4 are equal For 6N137, the pin 1 of the first chip 1U1 connects one end of thirteenth resistor R13, and the thirteenth resistor R13's is another The signal input part of connection signal amplifying circuit (70), the pin 4 of the first chip 1U1 is held to be separately connected the one of the tenth resistance R10 The pin 6 of end and fourth chip 1U4, the other end of the tenth resistance R10 are separately connected the pin 7 of fourth chip 1U4, draw Foot 8 and power supply, by the 7th resistance R7 connection power supplys, the pin 3 of fourth chip 1U4 connects the pin 2 of the fourth chip 1U4 The pin 60 of C8051F040 chips is connect, the pin 5 of the first chip 1U1 is separately connected one end and the third of eleventh resistor R11 The pin 6 of chip 1U3, the other end of the eleventh resistor R11 be separately connected the pin 7 of third chip 1U3, pin 8 and Power supply, by the 8th resistance R8 connection power supplys, the pin 3 of third chip 1U3 connects the pin 2 of the third chip 1U3 The pin 6 of the pin 62 of C8051F040 chips, the first chip 1U1 is separately connected one end and the second core of twelfth resistor R12 The other end of the pin 4 of piece 1U2, the twelfth resistor R12 connects power supply, and the pin 1 of the second chip 1U2 passes through the 9th Resistance R9 connection power supplys, the pin 2 of the second chip 1U2 connect the pin 96 of C8051F040 chips.

5. a kind of Intelligent water quality analysis meter as claimed in claim 4, it is characterised in that：The signal amplification circuit (70) includes 14th resistance R14 and the 15th resistance R15, one end of the 14th resistance R14, one end of the 15th resistance R15 connect The other end of thirteenth resistor R13, the other end ground connection of the 15th resistance R15 are connect, the other end of the 14th resistance R14 connects The positive signal input terminal of the first signal amplifier A1 is connect, the negative signal input terminal of the first signal amplifier A1 connects respectively One end of the 18th resistance R18 and the emitter of third transistor Q3 are connect, the other end of the 18th resistance R18 is grounded, The base stage of the signal output end connection third transistor Q3 of first signal amplifier A1, the collector point of the third transistor Q3 Not Lian Jie one end of the 17th resistance R17, second signal amplifier A2 positive signal input terminal, the 17th resistance R17 The other end be separately connected one end of the 16th resistance R16, the first zener diode D1 anode, first zener diode The cathode of D1 connects power supply, and the other end of the 16th resistance R16 is separately connected the negative signal input of second signal amplifier A2 It holds, the emitter of the first triode Q1, the signal output end of the second signal amplifier A2 connects the base of the second triode Q2 Pole, the emitter of the second triode Q2 connect the base stage of the first triode Q1, the collector of the second triode Q2, the one or three The collector of pole pipe Q1 is all connected with external equipment.

6. a kind of Intelligent water quality analysis meter as claimed in claim 5, it is characterised in that：The first signal amplifier A1, The model of binary signal amplifier A2 is LM358.

7. a kind of Intelligent water quality analysis meter as described in claim 1, it is characterised in that：First power supply circuit (90) includes Power conversion chip, the model XC6206 chips of the power conversion chip.

8. a kind of Intelligent water quality analysis meter as described in claim 1~7 any one, it is characterised in that：The display circuit (50) it is liquid crystal display, the warning circuit (60) is flashing light and/or buzzer.

9. a kind of Intelligent water quality analysis meter as claimed in claim 8, it is characterised in that：The storage circuit stores for EEPROM Device.