CN214585064U

CN214585064U - Detection device for running water escaping chlorine

Info

Publication number: CN214585064U
Application number: CN202120267948.9U
Authority: CN
Inventors: 张孝炜; 倪晖; 陈文�; 张章龙; 赵学英; 陈容霞
Original assignee: Fujian Autec Factory Automation Equipment Co ltd
Current assignee: Fujian Autec Factory Automation Equipment Co ltd
Priority date: 2021-01-29
Filing date: 2021-01-29
Publication date: 2021-11-02
Anticipated expiration: 2031-01-29

Abstract

The utility model discloses a running water escape chlorine detection device, keep apart communication interface, host processor, digital signal isolating circuit, low pass filter DA conversion, 4-20mA output circuit, 4G communication module, platform, status indicator lamp, DC isolation power, DC power including chlorine escape collection device, electrochemistry chlorine sensor, RS485, chlorine escape collection device passes through electrochemistry chlorine sensor and conditioning circuit wired connection, digital signal isolating circuit passes through low pass filter DA conversion and 4-20mA output circuit wired connection, 4G communication module and platform wireless connection, host processor, 4-20mA output circuit all with DC isolation power wired connection, the utility model discloses the concentration of real-time supervision chlorine and chlorination derived gas and with the platform or 4-20mA output circuit change send output with the platform with 4-20mA output circuit change And the RS485 communication mode can prompt ventilation in time.

Description

Detection device for running water escaping chlorine

Technical Field

The utility model relates to a water supply and environmental monitoring field especially relate to a running water effusion chlorine detection device.

Background

As most public water supply disinfection processes in China basically adopt chlorination treatment, when public water supply enters a water storage water tank, residual chlorine in the water mainly escapes in the form of chlorine, so that a metal water tank body is corroded, and meanwhile, the content of the residual chlorine in the public water supply is also an important index of water supply standards.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects in the prior art and providing a tap water escaping chlorine gas detection device.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

a tap water escaping chlorine detection device comprises a chlorine escaping collection device, an electrochemical chlorine sensor, a conditioning circuit, a temperature and air pressure sensor, a hardware watchdog, an RS485 isolating communication interface, a main processor, a digital signal isolating circuit, a low-pass filtering D/A conversion circuit, a 4-20mA output circuit, a 4G communication module, a platform, a status indicator lamp, a DC isolating power supply and a DC power supply, wherein the chlorine escaping collection device is in wired connection with the conditioning circuit through the electrochemical chlorine sensor, the digital signal isolating circuit is in wired connection with the 4-20mA output circuit through the low-pass filtering D/A conversion circuit, the 4G communication module is in wireless connection with the platform, the main processor and the 4-20mA output circuit are all in wired connection with the DC isolating power supply, and the conditioning circuit, the temperature and air pressure sensor, the hardware watchdog, the temperature and air pressure sensor, the RS485 isolating communication interface and the DC power supply are connected with the DC isolating power supply through wires, The RS485 isolation communication interface, the digital signal isolation circuit, the 4G communication module and the status indicator lamp are all in wired connection with the main processor, and the DC power supply is in wired connection with the DC isolation power supply.

Preferably, the DC power supply is 4-36V.

Preferably, the chlorine gas escaping and collecting device is used for collecting chlorine gas and chlorinated gas derivatives escaping from tap water.

Preferably, an electrochemical chlorine sensor is used to convert the chlorine reaction into an electrical signal.

Preferably, the conditioning circuit is used for driving and signal acquisition of the electrochemical chlorine sensor.

Preferably, a temperature and pressure sensor is used to collect the temperature and pressure in the field.

Preferably, low pass filtered D/a conversion is used to convert the PWM signal to a stable voltage signal.

The utility model has the advantages as follows: the utility model discloses real-time supervision chlorine and chlorination derived gas's concentration and with the platform or 4-20mA output circuit transmission output and RS 485's communication mode in time remind ventilation.

Drawings

Fig. 1 is a module connection diagram of the present invention.

Detailed Description

The technical scheme of the utility model is further explained by combining the attached drawings of the specification:

as shown in fig. 1, a tap water escaping chlorine detection device comprises a chlorine escaping collection device 1, an electrochemical chlorine sensor 2, a conditioning circuit 3, a temperature and pressure sensor 4, a hardware watchdog 5, an RS485 isolation communication interface 6, a main processor 7, a digital signal isolation circuit 8, a low-pass filtering D/a conversion 9, a 4-20mA output circuit 10, a 4G communication module 11, a platform 12, a status indicator lamp 13, a DC isolation power supply 14, and a DC power supply 15, wherein the chlorine escaping collection device 1 is connected with the conditioning circuit 3 through the electrochemical chlorine sensor 2 by wire, the digital signal isolation circuit 8 is connected with the 4-20mA output circuit 10 by wire through the low-pass filtering D/a conversion 9, the 4G communication module 11 is connected with the platform 12 wirelessly, the main processor 7 and the 4-20mA output circuit 10 are both connected with the DC isolation power supply 14 by wire, the conditioning circuit 3, the temperature and air pressure sensor 4, the hardware watchdog 5, the RS485 isolation communication interface 6, the digital signal isolation circuit 8, the 4G communication module 11 and the status indicator lamp 13 are all in wired connection with the main processor 7, and the DC power supply 15 is in wired connection with the DC isolation power supply 14.

As shown in fig. 1, the DC power supply 15 is 4-36V, the chlorine escape collection device 1 is used for collecting chlorine and chlorinated gas derivatives escaped from tap water, the electrochemical chlorine sensor 2 is used for converting chlorine reaction into an electrical signal, the conditioning circuit 3 is used for driving and collecting signals of the electrochemical chlorine sensor 2, the temperature and pressure sensor 4 is used for collecting on-site temperature and pressure, and the low-pass filtering D/a conversion 9 is used for converting PWM signals into stable voltage signals.

The utility model discloses provide the required power of DC power isolation circuit 14 by the wide voltage of outside DC4V-36V, convert the power supply back stage circuit of multichannel mutual isolation by DC power isolation circuit 14 again.

The utility model discloses a chlorine and chlorinated gas derivative that the running water escaped are collected to chlorine escape collection device 1.

The utility model discloses an electrochemistry chlorine sensor 2 converts the chlorine reaction into the signal of telecommunication.

The utility model discloses a conditioning circuit 3 drives and signal acquisition to electrochemistry chlorine sensor 2 to give the host processing ware 7 in the transmission.

The utility model discloses a temperature baroceptor 4 gathers site temperature and atmospheric pressure, transmits for host processor 7, carries out temperature compensation and atmospheric pressure compensation to gathering gas to quantify gas concentration.

The utility model discloses a RS485 keeps apart communication interface 6 and communicates host processor 7.

The utility model discloses a host processor 7 carries out PWM output quantization to required output current signal, transmits the PWM signal to the current output side of isolation through digital signal isolating circuit 8.

The utility model discloses a low pass filter DA conversion 9 turns into stable voltage signal with the PWM signal to convert into corresponding current signal through the 4-20mA output circuit 10 that links to each other with it.

The utility model discloses a 11 connection platform 12 of 4G communication module, the user can be anytime and anywhere from the PC end or remove the end and look over current sampling numerical value in real time.

It should be noted that the above list is only one specific embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications can be made, and in short, all modifications that can be directly derived or suggested by the person skilled in the art from the disclosure of the present invention should be considered as the protection scope of the present invention.

Claims

1. A tap water escape chlorine detection device is characterized by comprising a chlorine escape collection device (1), an electrochemical chlorine sensor (2), a conditioning circuit (3), a temperature and air pressure sensor (4), a hardware watchdog (5), an RS485 isolation communication interface (6), a main processor (7), a digital signal isolation circuit (8), a low-pass filtering D/A conversion (9), a 4-20mA output circuit (10), a 4G communication module (11), a platform (12), a status indicator lamp (13), a DC isolation power supply (14) and a DC power supply (15), wherein the chlorine escape collection device (1) is in wired connection with the conditioning circuit (3) through the electrochemical chlorine sensor (2), the digital signal isolation circuit (8) is in wired connection with the 4-20mA output circuit (10) through the low-pass filtering D/A conversion (9), the 4G communication module (11) is in wireless connection with the platform (12), the main processor (7) and the 4-20mA output circuit (10) are in wired connection with the DC isolation power supply (14), the conditioning circuit (3), the temperature and air pressure sensor (4), the hardware watchdog (5), the RS485 isolation communication interface (6), the digital signal isolation circuit (8), the 4G communication module (11) and the status indicator lamp (13) are in wired connection with the main processor (7), and the DC power supply (15) is in wired connection with the DC isolation power supply (14).

2. Tap water evolution chlorine detection device according to claim 1, characterized in that the DC power source (15) is 4-36V.

3. The tap water escape chlorine detection device according to claim 1, characterized in that the chlorine escape collection device (1) is used for collecting chlorine and chlorinated gas derivatives escaping from tap water.

4. Tap water evolution chlorine detection device according to claim 1, characterized in that the electrochemical chlorine sensor (2) is adapted to convert the chlorine reaction into an electrical signal.

5. The apparatus for detecting chlorine evolution from tap water according to claim 1, characterized in that the conditioning circuit (3) is used for driving and signal acquisition of the electrochemical chlorine sensor (2).

6. The tap water escape chlorine detection device according to claim 1, wherein the temperature and pressure sensor (4) is used to collect the temperature and pressure in situ.

7. Tap water escape chlorine detection device according to claim 1, characterized in that the low-pass filtered D/a-conversion (9) is used to convert the PWM signal into a stable voltage signal.