CN206990569U - Wireless detecting system is used in sewage treatment process - Google Patents
Wireless detecting system is used in sewage treatment process Download PDFInfo
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- CN206990569U CN206990569U CN201720900641.1U CN201720900641U CN206990569U CN 206990569 U CN206990569 U CN 206990569U CN 201720900641 U CN201720900641 U CN 201720900641U CN 206990569 U CN206990569 U CN 206990569U
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Abstract
The utility model provides and wireless detecting system is used in a kind of sewage treatment process, including：Gather CPU；Sewage detection equipment, its output end are connected with gathering CPU input；Radio transmission apparatus, the output end for gathering CPU are connected with radio transmission apparatus, and radio transmission apparatus is used to be wirelessly connected to remote monitoring system；And dc source power supply circuit, it includes：For mains 220v to be converted to direct current 12v power adaptation unit, the switching power supply for direct current 12v to be changed into direct current 5v, common mode inductance and linear power supply unit for direct current 5v to be changed into direct current 3.3v.Solve the problems, such as with wireless detecting system that remote monitoring can not be realized in the prior art in the sewage treatment process.
Description
Technical field
It the utility model is related to sewage treatment area, and in particular to use wireless detecting system in a kind of sewage treatment process.
Background technology
Sewage disposal concerns the eco-environment resource that people depend on for existence, is that country implements energy-saving and emission-reduction strategy, accelerated
Cultivation and development emerging strategic industries, the construction scale and service range of wastewater treatment in China industry will further expand.Sewage
Processing construction market and operation market enter high-speed development period, and industrial integration progressively deploys, and Market of Sewage Water Treatment reform will enter
One step promotes, and sewage disposal investment operation market has the wide market space.
In whole sewage treatment area, include the sewage treatment plant of centralization, in addition also each Enterprise Construction
Treatment tank, while also have in rural field and build integrated sewage disposal facility.And sewage disposal includes various differences
Handling process, application field and link are all relatively complicated.
From the point of view of the state-of-art of whole industry, sewage treatment process is more and more ripe, also plays very well
Treatment effect, what is applied in sewage treatment process is sewage disposal device, is provided with sewage disposal device for examining
The detection devices such as the PH detection sensors for the treatment of sewage are surveyed, but although each detection can know that by each detection device
Value, detection device are only capable of observing each Testing index at sewage disposal device with to dirt only at sewage disposal device
Water treatment facilities are monitored, but this brings great inconvenience to monitoring work, then how to realize remote monitoring is urgently
The problem of processing.
Utility model content
The utility model provides and wireless detecting system is used in a kind of sewage treatment process, and solution in the prior art can not be real
The problem of existing remote monitoring.
To achieve the above object, the utility model employs following technical scheme：
Wireless detecting system is used in a kind of sewage treatment process, including：Gather CPU；Sewage detection equipment, its output end with
Gather CPU input connection；Radio transmission apparatus, the output end for gathering CPU are connected with radio transmission apparatus, are wirelessly transferred and set
It is ready for use on and is wirelessly connected to remote monitoring system；And dc source power supply circuit, it includes：For mains 220v to be turned
Be changed to direct current 12v power adaptation unit, the switching power supply for direct current 12v to be changed into direct current 5v, common mode inductance with
And for direct current 5v to be changed into direct current 3.3v linear power supply unit, the electrode input end and power adaptation of switching power supply
The cathode output end connection of unit, the negative input of switching power supply are connected with the cathode output end of power adaptation unit,
The electrode input end of the cathode output end connection common mode inductance of switching power supply, the cathode output end connection of switching power supply
The negative input of common mode inductance, the cathode output end of common mode inductance connect the electrode input end of linear power subsystem, common mode electricity
The cathode output end ground connection of sense, the cathode output end of common mode inductance are used for for collection CPU power end and sewage detection equipment
Power end power supply, the cathode output end of linear power supply unit is used to power for the power end of radio transmission apparatus.
Preferably, switching power supply includes：First PWM converter, the VIN ends of the first PWM converter are switch electricity
The electrode input end of source unit, the GND ends of the first PWM converter are the negative input of switching power supply, and the first PWM is changed
The GND ends ground connection of device, the GND ends of the first PWM converter are the cathode output end of switching power supply；Voltage-regulator diode, voltage stabilizing
The anode of diode is connected with the GND ends of the first PWM converter, the VIN ends of the negative electrode of voltage-regulator diode and the first PWM converter
Connection；First filtration module, it includes the first filter capacitor, the second filter capacitor and the 3rd filter capacitor, the first filtered electrical
The positive pole of the positive pole of appearance, the positive pole of the second filter capacitor and the 3rd filter capacitor connects with the VIN ends of the first PWM converter
Connect, the negative pole of the negative pole of the first filter capacitor, the negative pole of the second filter capacitor and the 3rd filter capacitor is changed with the first PWM
The GND ends connection of device；And division module, it includes first resistor, second resistance and 3rd resistor, and first resistor one end is equal
It is connected with the BOOT ends of the first PWM converter, the first resistor other end is connected with second resistance and 3rd resistor one end, and second
Resistance and the 3rd resistor other end are grounded.
Preferably, switching power supply also includes：4th electric capacity, the 4th capacitance cathode and the first PWM converter
BOOT ends are connected and the 4th electric capacity negative pole is connected with first resistor, and the 4th electric capacity negative pole is connected with the PH ends of the first PWM converter.
Preferably, switching power supply also includes：Fly-wheel diode, the plus earth of fly-wheel diode, the pole of afterflow two
The 4th electric capacity negative pole connection of the negative electrode of pipe.
Preferably, switching power supply also includes：Second filtration module, the second filtration module include ordinary inductor and
5th electric capacity, the positive pole of ordinary inductor are connected with the 4th electric capacity negative pole, negative pole and the first resistor not connected second of ordinary inductor
The end connection of resistance, the positive pole of the 5th electric capacity and the negative pole of ordinary inductor connect, the negative pole ground connection of the 5th electric capacity.
Preferably, switching power supply also includes：6th electric capacity, the positive pole of the 6th electric capacity and the negative pole of ordinary inductor connect
Connect, the negative pole ground connection of the 6th electric capacity.
Preferably, switching power supply also includes：7th electric capacity and the 8th electric capacity, the 7th capacitance cathode and common electricity
The negative pole connection of sense, the 7th electric capacity negative pole are connected with the node of first resistor and second resistance, the positive pole and first of the 8th electric capacity
Resistance connects with the node of second resistance, the negative pole of the 8th electric capacity ground connection, and the node of first resistor and second resistance is connected to the
The VSNS ends of one PWM converter.
Preferably, linear power supply unit include the second PWM converter, the 9th electric capacity, the tenth electric capacity, the 11st electric capacity with
And the 12nd electric capacity, the VIN ends of the second PWM converter are the electrode input end of linear power supply unit, the second PWM converter
VOUT ends are the cathode output end of linear power supply unit, and the positive pole of the 9th electric capacity and the positive pole of the tenth electric capacity are all connected with the 2nd PWM
The VIN ends of converter, the negative pole of the 9th electric capacity and the negative pole of the tenth electric capacity are grounded, the positive pole of the 11st electric capacity and the 12nd electricity
The positive pole of appearance is all connected with the VOUT ends of the second PWM converter, and the negative pole of the 11st electric capacity and the negative pole of the 12nd electric capacity are grounded.
Compared to prior art, the utility model has the advantages that：
The pH value for the treatment of sewage and temperature etc. when sewage detection equipment is used to detect sewage disposal device processing sewage；
By setting collection CPU and radio transmission apparatus, realize and pass to the indices that sewage detection equipment detects far
Range monitoring system, the running that sewage disposal device is remotely controlled according to real-time Testing index is realized, urgent feelings can also be realized
Condition processing etc.；By setting common mode inductance, avoid common mode interference signal and switching power supply is inputted to linear power supply unit
Voltage signal interference, both realized to linear power supply unit input standard 5v voltages, also achieve and set to sewage detection
Standby and collection CPU input standards 5v voltages.
Brief description of the drawings
Fig. 1 is the circuit block diagram that wireless detecting system is used in sewage treatment process；
Fig. 2 is the circuit theory diagrams of switching power supply and common mode inductance；
Fig. 3 is the circuit theory diagrams of linear power supply unit.
Embodiment
As shown in figure 1, the utility model proposes using wireless detecting system in a kind of sewage treatment process, including：Collection
CPU1；Sewage detection equipment 2, its output end are connected with gathering CPU1 input；Radio transmission apparatus 3, gather the defeated of CPU1
Go out end to be connected with radio transmission apparatus 3, radio transmission apparatus 3 is used to be wirelessly connected to remote monitoring system；And dc source
Power supply circuit 4, it includes：For mains 220v to be converted to direct current 12v power adaptation unit, for by direct current 12v
It is changed into direct current 5v switching power supply, common mode inductance L1 and the linear power supply for direct current 5v to be changed into direct current 3.3v
Unit, the electrode input end of switching power supply are connected with the cathode output end of power adaptation unit, and switching power supply is born
Pole input is connected with the cathode output end of power adaptation unit, the cathode output end connection common mode inductance L1 of switching power supply
Electrode input end, the cathode output end connection common mode inductance L1 of switching power supply negative input, common mode inductance L1's
Cathode output end connects the electrode input end of linear power subsystem, common mode inductance L1 cathode output end ground connection, common mode inductance L1
Cathode output end be used for for collection CPU1 power end and sewage detection equipment 2 power end power supply, linear power supply unit
Cathode output end be used for for radio transmission apparatus 3 power end power.Wherein common mode inductance L1 uses ZJYS51R5-2PB-01
Model.
For the simple and easy to use switching power supply of design structure, switching power supply includes：First PWM is changed
Device U1, the first PWM converter U1 VIN ends be switching power supply electrode input end, the first PWM converter U1 GND ends
For the negative input of switching power supply, the first PWM converter U1 GND ends are grounded, the first PWM converter U1 GND ends
For the cathode output end of switching power supply；Voltage-regulator diode D1, voltage-regulator diode D1 anode and the first PWM converter U1's
GND ends are connected, and voltage-regulator diode D1 negative electrode is connected with the first PWM converter U1 VIN ends；First filtration module, it includes
First filter capacitor C1, the second filter capacitor C2 and the 3rd filter capacitor C3, the first filter capacitor C1 positive pole, the second filtering
VIN end of electric capacity C2 positive pole and the 3rd filter capacitor the C3 positive pole with the first PWM converter U1 is connected, the first filtered electrical
Hold the negative pole of C1 negative pole, the second filter capacitor C2 negative pole and the 3rd filter capacitor C3 with the first PWM converter U1's
GND ends connect；And division module, it includes first resistor R1, second resistance R2 and 3rd resistor R3, first resistor R1 mono-
Hold BOOT ends with the first PWM converter U1 to be connected, the first resistor R1 other ends with second resistance R2 and 3rd resistor R3
One end is connected, and second resistance R2 and the 3rd resistor R3 other ends are grounded.First PWM converter U1 uses TPS5430DDA types
Number.By setting voltage-regulator diode D1, prevent that occurring larger fluctuation to the power supply of the first PWM converter U1 inputs causes to burn out
Chip；First filtration module uses three-level capacitor filtering, and it is standard 12v voltages to realize to the first PWM converter U1 inputs.
Switching power supply also includes：4th electric capacity C4, the 4th electric capacity C4 positive poles and the first PWM converter U1 BOOT ends
Connect and the 4th electric capacity C4 negative poles are connected with first resistor R1, the 4th electric capacity C4 negative poles and the first PWM converter U1 PH ends connect
Connect.4th electric capacity C4 is 0.01uF electric capacity, using the charge and discharge effect of electric capacity, gives the first PWM converter U1 and constantly starts
Power supply, ensure the first PWM converter U1 normal startup.
Switching power supply also includes：Sustained diode 2, the plus earth of sustained diode 2, sustained diode 2
The 4th electric capacity C4 negative poles connection of negative electrode.Sustained diode 2 is used for the not sensed voltage breakdown of protection element or burnt out, with simultaneously
The mode of connection is connected to the element both ends for producing induced electromotive force, and formed loop, makes high electromotive force caused by it in loop
Consumed with continuous current system, so as to which the element played a part of in protection circuit is not damaged by.
Switching power supply also includes：Second filtration module, the second filtration module include the electricity of ordinary inductor L2 and the 5th
Hold C5, ordinary inductor L2 positive pole is connected with the 4th electric capacity C4 negative poles, and ordinary inductor L2 negative pole and first resistor R1 are not connected with
Second resistance R2 end connection, the 5th electric capacity C5 positive pole are connected with ordinary inductor L2 negative pole, and the 5th electric capacity C5 negative pole connects
Ground.Second filtration module is LC filter circuits, and the stable output and ripple for realizing electric current filter out.
Switching power supply also includes：6th electric capacity C6, the 6th electric capacity C6 positive pole are connected with ordinary inductor L2 negative pole,
6th electric capacity C6 negative pole ground connection.6th electric capacity C6 is used to filter out high frequency ripple.
Switching power supply also includes：7th electric capacity C7 and the 8th electric capacity C8, the 7th electric capacity C7 positive poles and ordinary inductor
L2 negative pole connection, the 7th electric capacity C7 negative poles are connected with first resistor R1 and second resistance R2 node, and the 8th electric capacity C8 is just
Pole is connected with first resistor R1 and second resistance R2 node, the 8th electric capacity C8 negative pole ground connection, the electricity of first resistor R1 and second
Resistance R2 node is connected to the first PWM converter U1 VSNS ends.Due to electric at first resistor R1 and second resistance R2 node
Pressure is to the first PWM converter U1 input feedback voltages, by the 7th electric capacity C7 and the 8th electric capacity C8 setting, is realized
To the ripple interference filtering of the first PWM converter U1 input feedback voltages.
Linear power supply unit includes the second PWM converter U2, the 9th electric capacity C9, the tenth electric capacity C10, the 11st electric capacity C11
And the electrode input end that the 12nd electric capacity C12, the second PWM converter U2 VIN ends are linear power supply unit, the 2nd PWM turn
Parallel operation U2 VOUT ends are the cathode output end of linear power supply unit, the 9th electric capacity C9 positive pole and the tenth electric capacity C10 positive pole
The second PWM converter U2 VIN ends are all connected with, the 9th electric capacity C9 negative pole and the tenth electric capacity C10 negative pole are grounded, and the 11st
Electric capacity C11 positive pole and the 12nd electric capacity C12 positive pole are all connected with the second PWM converter U2 VOUT ends, the 11st electric capacity C11
Negative pole and the 12nd electric capacity C12 negative pole be grounded.Second PWM converter U2 models AMS1117-3.3V.9th electric capacity
C9 and the tenth electric capacity C10 filters out input nonlinearities of the high and low frequency to the second PWM converter U2 VIN ends.11st electric capacity C11
High and low frequency is avoided to export interference to the second PWM converter U2 VOUT ends with the 12nd electric capacity C12.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (8)
1. wireless detecting system is used in a kind of sewage treatment process, it is characterised in that including：
Gather CPU；
Sewage detection equipment, its output end are connected with gathering CPU input；
Radio transmission apparatus, the output end for gathering CPU are connected with radio transmission apparatus, and radio transmission apparatus is used to be wirelessly connected to
Remote monitoring system；And
Dc source power supply circuit, it includes：For mains 220v to be converted to direct current 12v power adaptation unit, is used
In direct current 12v being changed into direct current 5v switching power supply, common mode inductance and for direct current 5v to be changed into direct current 3.3v
Linear power supply unit, the electrode input end of switching power supply is connected with the cathode output end of power adaptation unit, switch electricity
The negative input of source unit is connected with the cathode output end of power adaptation unit, the cathode output end connection of switching power supply
The electrode input end of common mode inductance, the negative input of the cathode output end connection common mode inductance of switching power supply, common mode electricity
The cathode output end of sense connects the electrode input end of linear power subsystem, the cathode output end ground connection of common mode inductance, common mode inductance
Cathode output end be used for for collection CPU power end and sewage detection equipment power end power supply, linear power supply unit
Cathode output end is used to power for the power end of radio transmission apparatus.
2. wireless detecting system is used in sewage treatment process according to claim 1, it is characterised in that switching power supply
Including：
First PWM converter, the VIN ends of the first PWM converter are the electrode input end of switching power supply, and the first PWM is changed
The GND ends of device are the negative input of switching power supply, and the GND ends of the first PWM converter are grounded, the first PWM converter
GND ends are the cathode output end of switching power supply；
Voltage-regulator diode, the anode of voltage-regulator diode are connected with the GND ends of the first PWM converter, the negative electrode of voltage-regulator diode with
The VIN ends connection of first PWM converter；
First filtration module, it includes the first filter capacitor, the second filter capacitor and the 3rd filter capacitor, the first filter capacitor
Positive pole, the positive pole of the second filter capacitor and the positive pole of the 3rd filter capacitor be connected with the VIN ends of the first PWM converter,
The negative pole of the negative pole of first filter capacitor, the negative pole of the second filter capacitor and the 3rd filter capacitor with the first PWM converter
GND ends connection；And
Division module, it includes first resistor, second resistance and 3rd resistor, and first resistor one end is changed with the first PWM
The BOOT ends connection of device, the first resistor other end are connected with second resistance and 3rd resistor one end, second resistance and the 3rd electricity
The resistance other end is grounded.
3. wireless detecting system is used in sewage treatment process according to claim 2, it is characterised in that switching power supply
Also include：4th electric capacity, the 4th capacitance cathode is connected with the BOOT ends of the first PWM converter and the 4th electric capacity negative pole and the first electricity
Resistance connection, the 4th electric capacity negative pole are connected with the PH ends of the first PWM converter.
4. wireless detecting system is used in sewage treatment process according to claim 3, it is characterised in that switching power supply
Also include：Fly-wheel diode, the plus earth of fly-wheel diode, the 4th electric capacity negative pole connection of the negative electrode of fly-wheel diode.
5. wireless detecting system is used in sewage treatment process according to claim 4, it is characterised in that switching power supply
Also include：Second filtration module, the second filtration module include ordinary inductor and the 5th electric capacity, the positive pole of ordinary inductor and the 4th
Electric capacity negative pole is connected, and the end that the negative pole of ordinary inductor is not connected with second resistance with first resistor is connected, the positive pole of the 5th electric capacity and
The negative pole connection of ordinary inductor, the negative pole ground connection of the 5th electric capacity.
6. wireless detecting system is used in sewage treatment process according to claim 5, it is characterised in that switching power supply
Also include：6th electric capacity, the positive pole of the 6th electric capacity and the negative pole of ordinary inductor connect, the negative pole ground connection of the 6th electric capacity.
7. wireless detecting system is used in sewage treatment process according to claim 6, it is characterised in that switching power supply
Also include：The negative pole connection of 7th electric capacity and the 8th electric capacity, the 7th capacitance cathode and ordinary inductor, the 7th electric capacity negative pole and the
One resistance is connected with the node of second resistance, and the positive pole of the 8th electric capacity is connected with the node of first resistor and second resistance, and the 8th
The node of the negative pole ground connection of electric capacity, first resistor and second resistance is connected to the VSNS ends of the first PWM converter.
8. wireless detecting system is used in sewage treatment process according to any one of claims 1 to 7, it is characterised in that linear
Power subsystem includes the second PWM converter, the 9th electric capacity, the tenth electric capacity, the 11st electric capacity and the 12nd electric capacity, the 2nd PWM
The VIN ends of converter are the electrode input end of linear power supply unit, and the VOUT ends of the second PWM converter are linear power supply unit
Cathode output end, the positive pole of the 9th electric capacity and the positive pole of the tenth electric capacity are all connected with the VIN ends of the second PWM converter, the 9th electric capacity
Negative pole and the negative pole of the tenth electric capacity be grounded, the positive pole of the 11st electric capacity and the positive pole of the 12nd electric capacity are all connected with the 2nd PWM
The VOUT ends of converter, the negative pole of the 11st electric capacity and the negative pole of the 12nd electric capacity are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720900641.1U CN206990569U (en) | 2017-07-24 | 2017-07-24 | Wireless detecting system is used in sewage treatment process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720900641.1U CN206990569U (en) | 2017-07-24 | 2017-07-24 | Wireless detecting system is used in sewage treatment process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206990569U true CN206990569U (en) | 2018-02-09 |
Family
ID=61416398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720900641.1U Expired - Fee Related CN206990569U (en) | 2017-07-24 | 2017-07-24 | Wireless detecting system is used in sewage treatment process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206990569U (en) |
-
2017
- 2017-07-24 CN CN201720900641.1U patent/CN206990569U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20180724 |