阅读说明：本技术 一种次氯酸钠智能制备控制柜 (Sodium hypochlorite intelligence preparation switch board ) 是由 王文清 于 2018-07-19 设计创作，主要内容包括：本发明涉及一种次氯酸钠智能制备控制柜,它包括柜体和柜门,在所述柜体内从上往下分排设置,在柜体内上部第一排设有变频器,在第二排设有3P空气断路器、1P空气断路器和中间继电器,在第三排设有接触器和端子Ⅰ,在第四排设有端子Ⅱ,在所述柜门中部设有按钮指示灯区,在所述柜体内共设两路现场设备仪器控制电路。本发明控制精确,运行安全可靠。(The invention relates to an intelligent sodium hypochlorite preparation control cabinet which comprises a cabinet body and cabinet doors, wherein the cabinet body is arranged in rows from top to bottom, a first row of frequency converters is arranged at the upper part in the cabinet body, a second row of 3P air circuit breakers, 1P air circuit breakers and intermediate relays is arranged, a contactor and a terminal I are arranged in the third row, a terminal II is arranged in the fourth row, a button indicating lamp area is arranged in the middle of each cabinet door, and two paths of field equipment instrument control circuits are arranged in the cabinet body. The invention has accurate control and safe and reliable operation.)

1. The utility model provides a sodium hypochlorite intelligence preparation switch board which characterized in that: it includes the cabinet body (1) and cabinet door (2) from last down the branch arrange the setting in the cabinet body (1), the first row in the upper portion is equipped with converter (3) in the cabinet body (1), arranges at the second and is equipped with 3P air circuit breaker (4), 1P air circuit breaker (5) and auxiliary relay (6), arranges at the third and is equipped with contactor (7) and terminal I (8), arranges at the fourth and is equipped with terminal II (9) cabinet door (2) middle part is equipped with button indicator lamp district (10) establish two way field device instrument control circuit altogether in the cabinet body (1).

2. The sodium hypochlorite intelligence preparation switch board of claim 1, characterized in that: two frequency converters (3) are arranged in the first row.

3. The sodium hypochlorite intelligence preparation switch board of claim 1, characterized in that: three 3P air circuit breakers (4), one 1P air circuit breaker (5) and six intermediate relays (6) are arranged in the second row.

4. The sodium hypochlorite intelligence preparation switch board of claim 1, characterized in that: two contactors (7) and a set of terminals I (8) are arranged in the third row.

5. The sodium hypochlorite intelligence preparation switch board of claim 1, characterized in that: in the two field equipment instrument control circuits, a main power supply is accessed by a main air circuit breaker, then two branch air circuit breakers are sequentially accessed, and the branch air circuit breakers are connected to respective access terminals of the frequency converters (3).

Technical Field

The invention relates to a control cabinet, in particular to a sodium hypochlorite preparation control cabinet.

Background

At present, the sodium hypochlorite preparation control cabinet has the defects of low automation degree, inaccurate control and instability. The detection needs to consume a large amount of manpower and is low in efficiency, and the problem cannot be quickly diagnosed when the system fails.

Disclosure of Invention

The purpose of the invention is as follows: the invention aims to overcome the defects in the prior art and provides the intelligent sodium hypochlorite preparation control cabinet which is accurate in control and safe and reliable in operation.

The technical scheme is as follows: in order to solve the technical problem, the intelligent sodium hypochlorite preparation control cabinet comprises a cabinet body and cabinet doors, wherein the cabinet body is arranged in rows from top to bottom, a first row of frequency converters is arranged at the upper part in the cabinet body, a 3P air circuit breaker, a 1P air circuit breaker and an intermediate relay are arranged in a second row, a contactor and a terminal I are arranged in a third row, a terminal II is arranged in a fourth row, a button indicating lamp area is arranged in the middle of the cabinet door, and two paths of field equipment instrument control circuits are arranged in the cabinet body.

Two frequency converters are arranged in the first row.

Three 3P air circuit breakers, one 1P air circuit breaker and six intermediate relays are provided in the second row.

Two contactors and a set of terminals i are provided in the third row.

In the two field equipment instrument control circuits, a main power supply is accessed by a main air circuit breaker, then two branch air circuit breakers are sequentially accessed, and the branch air circuit breakers are connected to respective frequency converter access terminals.

Drawings

FIG. 1 is a schematic structural view of a cabinet body and a cabinet door according to the present invention;

FIG. 2 is a wiring diagram of the primary distribution circuit of the present invention;

FIG. 3 is a connection diagram of the secondary control circuit of the present invention;

fig. 4 is a connection diagram of the frequency converter of the present invention.

Detailed Description

The invention is further described below with reference to the figures and examples.

As shown in fig. 1, the intelligent sodium hypochlorite preparation control cabinet provided by the invention comprises a cabinet body 1 and a cabinet door 2, wherein the cabinet body 1 is arranged in rows from top to bottom, the first row at the upper part in the cabinet body 1 is provided with two frequency converters 3, the second row is provided with three 3P air circuit breakers 4, a 1P air circuit breaker 5 and six intermediate relays 6, the third row is provided with two contactors 7 and a group of terminals i 8, the fourth row is provided with terminals ii 9, the middle part of the cabinet door 2 is provided with a button indicator lamp zone 10, and the cabinet body 1 is internally provided with two paths of field equipment instrument control circuits.

As shown in fig. 2, in the two field device instrument control circuits, a main power supply is connected through a main air circuit breaker, and then, the main power supply is sequentially connected through two branch air circuit breakers, and the branch air circuit breakers are connected to respective access terminals of the frequency converters 3.

As shown in fig. 3, the secondary control circuit diagram:

the circuit logic part: the power supply 9 is connected to a knob SA, the manual end of the SA is connected to STP, then is connected to KM and ST, and then is connected to KA and KM coil, and then is connected to a zero line N. The automatic end of SA connects with terminal and KA13 coil and then connects with zero line N.

As shown in fig. 4, the frequency converter section: terminal No. 1 is connected to terminal No. 2 and then sequentially routed to terminal No. 3, 4. No. 5 terminal and No. 6 terminal connect to external sensor, and No. 7 terminal 8 connects to the feedback signal receiving terminal as required. The No. 9 terminal is connected with the KM normally open, the KA13 normally open and the No. 17 and No. 20 terminals. No. 10 and No. 11 terminals are connected together to No. 22 terminal, and KA11 coil and KA12 coil are connected to No. 19 and No. 21 terminals.

The present invention provides a thought and a method, and a method and a way for implementing the technical scheme are many, the above is only a preferred embodiment of the present invention, it should be noted that, for a person skilled in the art, a plurality of improvements and modifications can be made without departing from the principle of the present invention, and the improvements and modifications should be regarded as the protection scope of the present invention, and each component not explicitly described in the embodiment can be implemented by the prior art.