阅读说明：本技术 一种污水处理装置定量控水系统 (Quantitative water control system of sewage treatment device ) 是由 李松涛 于 2020-06-05 设计创作，主要内容包括：本发明公开了一种污水处理装置定量控水系统,包括三相电源、自动控制电路、手动控制电路、选择开关、开关模块和水泵,所述三相电源分为两路供电,一部分经过选择开关分别进入自动控制电路和手动控制电路中,选择开关在自动控制电路和手动控制电路之间切换,另一部分通过开关模块连接水泵,自动控制电路和手动控制电路均连接开关模块,本发明污水处理装置定量控水系统具有手动和自动两种开启功能,其中自动控制技术利用三个水位探针分别检测高低中水位,进而通过继电器开启水泵进行水位的调节,还能自动关闭,手动模式则通过简易的开关直接实现,本发明功能多样且控制精准。(The invention discloses a quantitative water control system of a sewage treatment device, which comprises a three-phase power supply, an automatic control circuit, a manual control circuit, a selection switch, a switch module and a water pump, the three-phase power supply is divided into two paths for supplying power, one portion of the power supply enters the automatic control circuit and the manual control circuit through the selection switch respectively, the selective switch is switched between the automatic control circuit and the manual control circuit, the other part is connected with the water pump through the switch module, the automatic control circuit and the manual control circuit are both connected with the switch module, the quantitative water control system of the sewage treatment device has two starting functions of manual operation and automatic operation, the automatic control technology utilizes three water level probes to detect the high, low and medium water levels respectively, then the water pump is started through the relay to adjust the water level, the automatic control technology can also be automatically closed, the manual mode is directly realized through a simple switch, and the automatic control system has various functions and is accurate in control.)

1. The utility model provides a sewage treatment plant ration accuse water system, includes three phase current, automatic control circuit, manual control circuit, select switch, switch module and water pump, its characterized in that, three phase current divides into two way power supplies, and partly through during select switch gets into automatic control circuit and manual control circuit respectively, select switch switches between automatic control circuit and manual control circuit, and another part passes through switch module and connects the water pump, and automatic control circuit and manual control circuit all connect the switch module.

2. The quantitative water control system of the sewage treatment device according to claim 1, wherein the automatic control circuit comprises a voltage reduction module, a rectification module, a filtering module, a relay circuit and three water level probes, and the voltage reduction module, the rectification module, the filtering module, the relay circuit and the three water level probes are connected in sequence.

3. The quantitative water control system of the sewage treatment device according to claim 1, wherein the manual control circuit is a switch S1, the relay circuit comprises a relay J, a thyristor V1 and a diode D5, the voltage reduction module comprises a resistor R1, a resistor R3 and a capacitor C3, the selective switch is a single-pole double-throw switch S2, the switch module is a contactor K, a moving end of the single-pole double-throw switch S2 is connected with the L2 phase of the three-phase power supply through a fuse F2, a stationary end 1 of the single-pole double-throw switch S2 is connected with the resistor R3 and a contact J-1 of the relay J, the other end of the resistor R3 is connected with the resistor R1 and the capacitor C3, the other end of the resistor R1 is connected with the other end of the capacitor C3, an anode of a diode D1 and a cathode of a diode D2, a cathode of the diode D1 is connected with an inductor L1, a capacitor C1 and a cathode of a diode D3, and the other end of the diode D1, The water level detection device comprises a capacitor C2, a coil of a relay J and a water level probe A, the anode of a diode D5 is connected with the other end of the coil of the relay J and the anode of a thyristor V1, the cathode of the thyristor V1 is connected with a resistor R2, the control pole of a thyristor V1 is connected with the capacitor C4, a contact J-2 of the relay J and a water level probe B through a resistor R5, the other end of the contact J-2 of the relay J is connected with the water level probe A, the immobile end 2 of a single-pole double-throw switch S2 is connected with a switch S1, the other end of the switch S1 is connected with the coil of a contactor K and the other end of the contact J-1 of the relay J, the other end of the coil of the contactor K is connected with the L1 phase of a three-phase power supply through a fuse F1, and the three.

4. The quantitative water control system of sewage treatment plant according to claim 3, wherein the contact J-1 of the relay J is a normally closed contact.

5. The quantitative water control system of sewage treatment plant according to claim 3, wherein the contact J-2 of the relay J is a normally open contact.

6. The quantitative water control system of sewage treatment plant according to claim 3 wherein said thyristor V1 is a single phase thyristor.

7. The quantitative water control system of a sewage treatment plant according to any one of claims 3 to 6, wherein said diode D5 is a zener diode.

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a quantitative water control system of a sewage treatment device.

Background

The sewage treatment is an essential part for modern industrial generation and urban residents life, and is a process for purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

The sewage treatment needs quantitative treatment, such as adding a reagent or introducing gas for reaction, so that the amount of sewage treated at one time is particularly important, and the accurate control of the amount of sewage is also important in the sewage treatment environment.

Disclosure of Invention

The invention aims to provide a quantitative water control system of a sewage treatment device, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a sewage treatment plant ration accuse water system, includes three phase current, automatic control circuit, manual control circuit, select switch, switch module and water pump, three phase current divide into two way power supplies, and partly through during select switch gets into automatic control circuit and manual control circuit respectively, select switch switches between automatic control circuit and manual control circuit, and another part passes through switch module and connects the water pump, and automatic control circuit and manual control circuit all connect the switch module.

As a further technical scheme of the invention: the automatic control circuit comprises a voltage reduction module, a rectification module, a filtering module, a relay circuit and three water level probes, wherein the voltage reduction module, the rectification module, the filtering module, the relay circuit and the three water level probes are connected in sequence.

As a further technical scheme of the invention: the manual control circuit is a switch S1, the relay circuit comprises a relay J, a thyristor V1 and a diode D5, the voltage reduction module comprises a resistor R1, a resistor R3 and a capacitor C3, the selection switch is a single-pole double-throw switch S2, the switch module is a contactor K, the moving end of the single-pole double-throw switch S2 is connected with an L2 phase of a three-phase power supply through a fuse F2, one fixed end 1 of the single-pole double-throw switch S2 is connected with a resistor R3 and a contact J-1 of the relay J, the other end of the resistor R3 is connected with a resistor R1 and a capacitor C3, the other end of the resistor R1 is connected with the other end of the capacitor C1, the anode of the diode D1 and the cathode of the diode D1, the cathode of the diode D1 is connected with an inductor L1, the cathode of the capacitor C1 and the cathode of the diode D1, the coil of the thyristor J is connected with the anode V1 of the relay J, the cathode of the thyristor V1 is connected with a resistor R2, the control pole of the thyristor V1 is connected with a capacitor C4, a contact J-2 of a relay J and a water level probe B through the resistor R5, the other end of the contact J-2 of the relay J is connected with the water level probe A, the immobile end 2 of a single-pole double-throw switch S2 is connected with a switch S1, the other end of the switch S1 is connected with the coil of a contactor K and the other end of the contact J-1 of the relay J, the other end of the coil of the contactor K is connected with the L1 phase of a three-phase power supply through a fuse F1, and the three-phase power supply is further connected with a water pump M through the fuse F1-F3.

As a further technical scheme of the invention: and a contact J-1 of the relay J is a normally closed contact.

As a further technical scheme of the invention: and a contact J-2 of the relay J is a normally open contact.

As a further technical scheme of the invention: the thyristor V1 is a single-phase thyristor.

As a further technical scheme of the invention: the diode D5 is a zener diode.

Compared with the prior art, the invention has the beneficial effects that: the quantitative water control system of the sewage treatment device has two starting functions of manual operation and automatic operation, wherein the automatic control technology utilizes three water level probes to respectively detect high, low and medium water levels, and further starts the water pump through the relay to adjust the water level, and can also automatically close the water pump, and the manual mode is directly realized through a simple switch.

Drawings

Fig. 1 is an overall block diagram of the present invention.

Fig. 2 is a block diagram of an automatic control circuit.

Fig. 3 is a circuit diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, example 1: the utility model provides a sewage treatment plant ration accuse water system, includes three phase current, automatic control circuit, manual control circuit, select switch, switch module and water pump, three phase current divide into two way power supplies, and partly through during select switch gets into automatic control circuit and manual control circuit respectively, select switch switches between automatic control circuit and manual control circuit, and another part passes through switch module and connects the water pump, and automatic control circuit and manual control circuit all connect the switch module. The automatic control circuit comprises a voltage reduction module, a rectification module, a filtering module, a relay circuit and three water level probes, wherein the voltage reduction module, the rectification module, the filtering module, the relay circuit and the three water level probes are connected in sequence.

The three-phase power supply is divided into two paths of power supplies, one part enters the automatic control circuit and the manual control circuit respectively through the selector switch, the selector switch can be switched between the automatic control circuit and the manual control circuit, the automatic control circuit can not need manual control, the state of the automatic control switch module, thereby the purpose of automatic water replenishing is achieved, the manual control circuit can be free of a detection part, control is started at any time, wherein the automatic control circuit is as shown in figure 2, the automatic control circuit comprises a voltage reduction module, a rectification module, a filtering module, a relay circuit and three water level probes, the voltage reduction module, the rectification module, the filtering module, the relay circuit and the three water level probes are connected in sequence, the action of the relay circuit is changed by the state of the three water level probes, and the action of the switch.