CN206178372U - Variable blast volume valve control system - Google Patents

Abstract

The utility model relates to a variable blast volume valve control system, power source connects core CPU, and analog quantity sensor signal interface module exports the analog input bus to, analog input bus out to core CPU, core CPU connects core register and inside memory, and core register and inside memory are connected with outside memory respectively, and outside memory exports outside touch -sensitive screen, germicidal radiation emitted, software upgrade and communication network interface to, core CPU exports logic control circuit to, and logic control circuit and output control relay protection keep apart the module intercommunication, output control relay protection isolation mode block output to outside memory, and output control relay protection keeps apart module and analog output bus connection, and the electronic adjusting valve of analog output bus connection carries out the valve control. The utility model discloses can do real -time distribution to the demand size of the aeration amount of wind according to every ditch, the valve of the oxidation ditch aeration amount of wind is given in real -time accurate adjustment.

Description

A kind of variable air rate valve control system

Technical field

This utility model is related to sewage treatment area, and in particular to a kind of variable air rate valve control system.

Background technology

With the development of sewage treatment industry, usually there is a plurality of oxidation ditch used at the same time in large-scale sewage treatment plant Situation, an and main air duct is often shared in the middle of aeration link, then using by the way of in parallel distribution using electrically operated valve come Regulation is conveyed to the aeration air quantity of each oxidation ditch.But in actual moving process, because the water yield handled by every oxidation ditch is simultaneously It is not completely the same, and is affected by the adjustability of pipe valve, is difficult to accomplish real-time and accuracy with artificial adjustment mode. Therefore a kind of automation control appliance of the valve that can accurately adjust oxidizing ditch aeration air quantity in real time is needed.

Utility model content

The purpose of this utility model is for deficiency of the prior art, there is provided a kind of variable air rate valve control system, can With the aperture of the regulating valve of the multiple allocation of the amount of air of real-time control.

For achieving the above object, the utility model discloses following technical scheme：

A kind of variable air rate valve control system, including power interface, core CPU, logic control circuit, core register, Internal storage device, external storage, external touch screen, output equipment interface, software upgrading and connected network communication interface, analog quantity are passed Sensor signal interface module, analog input bus, logic control circuit, output control relay protection isolation module and analog quantity Output bus：

Power interface connects core CPU, and analog sensor Signal interface module is exported to analog input bus, simulation Amount input bus is exported to core CPU, and core CPU connects core register and internal storage device, and core register and inside are deposited Storage is connected respectively with external storage, and external storage is exported to external touch screen, output equipment interface, software upgrading and connection Network Communication interface；Core CPU is exported to logic control circuit, logic control circuit and output control relay protection isolation module phase Mutual communication, output control relay protection isolation module is exported to external storage, output control relay protection isolation module and mould Analog quantity output bus connects, and analog output bus connection motor regulated valve carries out Valve controlling.

Further, the core CPU is double-core CPU, and one of core connects core register, and another core connects Connect internal storage device.

Further, relay protection module is provided between the core CPU and power interface, the relay protection module is light Electric isolating circuit.

Further, the power interface is connected with radiator fan.

Further, the core register is read-write RAM32M.

Further, the internal storage device is readable ROM256M.

Further, the external storage is readable ROM1G.

Further, the analog sensor Signal interface module is divided into two two-way 0-20mA and two two-way 4- 20mA。

A kind of variable air rate valve control system, has the advantages that disclosed in this utility model：

This utility model can be big to the demand of aeration air quantity according to every ditch to two or the ditch of more than two Close equal, real-time accurately adjustment oxidizing ditch aeration wind that is little to do distribution in real time, making the dissolved oxygen value DO of every bar ditch try one's best The valve of amount.

Description of the drawings

Fig. 1 is this utility model theory diagram,

Fig. 2 is utility model works FB(flow block).

Specific embodiment

The technical scheme in this utility model embodiment will be clearly and completely described below, it is clear that described Embodiment is only a part of embodiment of this utility model, rather than the embodiment of whole.Based on the enforcement in this utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to The scope of this utility model protection.

Core of the present utility model is to provide a kind of variable air rate valve control system, in order to can be with the multiple wind of real-time control The aperture of the regulating valve of amount distribution.

Refer to Fig. 1.

A kind of variable air rate valve control system, including power interface, core CPU, logic control circuit, core register, Internal storage device, external storage, external touch screen, output equipment interface, software upgrading and connected network communication interface, analog quantity are passed Sensor signal interface module, analog input bus, logic control circuit, output control relay protection isolation module and analog quantity Output bus：

Power interface connects core CPU, and analog sensor Signal interface module is exported to analog input bus, simulation Amount input bus is exported to core CPU, and core CPU connects core register and internal storage device, and core register and inside are deposited Storage is connected respectively with external storage, and external storage is exported to external touch screen, output equipment interface, software upgrading and connection Network Communication interface；Core CPU is exported to logic control circuit, logic control circuit and output control relay protection isolation module phase Mutual communication, output control relay protection isolation module is exported to external storage, output control relay protection isolation module and mould Analog quantity output bus connects, and analog output bus connection motor regulated valve carries out Valve controlling.

Used as a kind of specific embodiment, the core CPU is double-core CPU, and one of core connects core register, separately One core connects internal storage device.

As a kind of specific embodiment, relay protection module is provided between the core CPU and power interface, the relay is protected Shield module is photoelectric isolating circuit.

Used as a kind of specific embodiment, the power interface is connected with radiator fan.

Further, the core register is read-write RAM32M.

Used as a kind of specific embodiment, the internal storage device is readable ROM256M.

Used as a kind of specific embodiment, the external storage is readable ROM1G.

Used as a kind of specific embodiment, the analog sensor Signal interface module is divided into two two-way 0-20mA and two Bar two-way 4-20mA.

See Fig. 2, workflow of the present utility model is as follows：

It is powered after start, whether normally system enters self-inspection state-detection, the shutdown inspection if abnormal, the handss if normal Dynamic input valve opening sequence number and ratio 1, observe valve opening situation in place, such as do not meet, then overhaul valve again, such as meet Then it is input into controling parameter and requires 1, observes parameter control result.Such as parameter result does not meet setting, then system adjust automatically valve Aperture, afterwards observe controling parameter situation of change, judge control result, be manually entered if up to standard valve opening sequence number and Ratio 2；If input controling parameter requires that the parameter control result after 1 meets setting, it is directly entered and is manually entered valve and opens Sequence number and the step of ratio 2 are opened, valve opening situation in place is observed again, iterative cycles perform above-mentioned steps, until having performed Normal operation after finishing.

Compare the content introduced in background technology, this utility model can to two or the ditch of more than two, according to In real time distribution is done in every ditch to the demand size of aeration air quantity, makes the dissolved oxygen value DO of every bar ditch as far as possible close equal, The valve of oxidizing ditch aeration air quantity is accurately adjusted in real time.

The above is only preferred implementation of the present utility model, rather than a limitation；Although it should be pointed out that with reference to upper State each embodiment to be described in detail this utility model, it will be understood by those within the art that, it still can be with Technical scheme described in the various embodiments described above is modified, or equivalent is carried out to which part or all technical characteristic and replaced Change；And these modifications and replacement, do not make each embodiment technical scheme of essence disengaging this utility model of corresponding technical scheme Scope.

Claims (8)

1. a kind of variable air rate valve control system, it is characterised in that including power interface, core CPU, logic control circuit, core Heart depositor, internal storage device, external storage, external touch screen, output equipment interface, software upgrading and connected network communication connect Mouth, analog sensor Signal interface module, analog input bus, logic control circuit, output control relay protection isolation Module and analog output bus：

Power interface connects core CPU, and analog sensor Signal interface module is exported to analog input bus, and analog quantity is defeated Enter bus to export to core CPU, core CPU connection core register and internal storage device, core register and internal storage device It is connected with external storage respectively, external storage exports logical to external touch screen, output equipment interface, software upgrading and networking Letter interface；Core CPU is exported to logic control circuit, logic control circuit and output control relay protection isolation module phase intercommunication Letter, output control relay protection isolation module is exported to external storage, output control relay protection isolation module and analog quantity Output bus connects, and analog output bus connection motor regulated valve carries out Valve controlling.

2. a kind of variable air rate valve control system according to claim 1, it is characterised in that the core CPU is double-core CPU, one of core connects core register, another core connection internal storage device.

3. a kind of variable air rate valve control system according to claim 1, it is characterised in that the core CPU and power supply Relay protection module is provided between interface, the relay protection module is photoelectric isolating circuit.

4. a kind of variable air rate valve control system according to claim 1, it is characterised in that the power interface is connected with Radiator fan.

5. a kind of variable air rate valve control system according to claim 1, it is characterised in that the core register is for can Read-write RAM32M.

6. a kind of variable air rate valve control system according to claim 1, it is characterised in that the internal storage device is for can Read ROM256M.

7. a kind of variable air rate valve control system according to claim 1, it is characterised in that the external storage is for can Read ROM1G.

8. a kind of variable air rate valve control system according to claim 1, it is characterised in that the analog sensor letter Number interface module is divided into two two-way 0-20mA and two two-way 4-20mA.