CN207133635U - Sewage disposal experimental system based on DDC and configuration software - Google Patents

Abstract

It the utility model is related to technical field of electric automation, more particularly to a kind of sewage disposal experimental system based on DDC and configuration software.Including host computer, slave computer and dredge pump circuit for controlling motor；Configuration software and bay DDC programming software LonMaker3.1 development platform of the host computer with the strong control versions of Forcecontrol 6.1；The slave computer is communicated with the host computer, and slave computer uses bay HW BA5208 type DDC chips, and the dredge pump circuit for controlling motor is controlled by the slave computer.The utility model is combined configuration software and DDC, student is fully known from experience the real application of configuration software, and can enrich the laboratory content of student with limited equipment, cheap cost, diversified program.

Description

Sewage disposal experimental system based on DDC and configuration software

Technical field

It the utility model is related to technical field of electric automation, more particularly to a kind of sewage based on DDC and configuration software Handle experimental system.

Background technology

Configuration technology is our hospital's electric automatization, intelligent control technology, building intellectualization engineering technology, new energy application skill One of important specialized courses of the specialty such as art, experimental teaching is the important component of course.In conventional teaching, due to Lack experimental provision, student is to carry out simulated operation on computers in the teaching process of 56 class hours, without testing bar Part carries out the connection of configuration software and lower computer hardware, after causing student to complete this subject, fails to get a real idea of configuration The application mode of software.

DDC Control System Designs are also one of important specialized courses of our hospital with debugging, the general think of of traditional DDC experimental teachings Road is that the hardware configuration for requiring selection DDC is controlled according to system, for example how many switch input quantity, simulation input amount, switch Output quantity, imitated output quantity, then design and draw out the artwork and wiring diagram of system.This teaching method lacks directly perceived Property, student can not realize the change procedure of experiment, therefore also can only be perceptual knowledge to DDC application mode, passive to receive, The learning interest of student can not be attracted.

Utility model content

The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, and provides a kind of based on DDC and configuration software Sewage disposal experimental system.

The utility model to achieve the above object, using following technical scheme：

A kind of sewage disposal experimental system based on DDC and configuration software, it is characterised in that：Including host computer, slave computer And dredge pump circuit for controlling motor；Configuration software and bay of the host computer with the strong control versions of Forcecontrol 6.1 DDC programming software LonMaker3.1 development platforms；The slave computer is communicated with the host computer, and slave computer uses bay HW-BA5208 type DDC chips, the dredge pump circuit for controlling motor are controlled by the slave computer, dredge pump circuit for controlling motor Including blowdown pump motor M, contactor KM1, relay K1, relay K2, relay K3, the terminals of the blowdown pump motor M Son connect with frequency sensitive resistor RF1, contactor KM1, circuit breaker Q F1 is followed by zero line and live wire successively, and zero line and live wire, which pass through, to break Road device QF2 connects the output of the input and relay K2 and indicator lamp L1, AC-DC change-over circuit of AC-DC change-over circuits respectively Terminate circuit breaker Q F3 input, circuit breaker Q F3 output end output 24V voltages；Live wire connects the quick electricity of frequency by circuit breaker Q F4 Hindering device RF1 one end, the frequency sensitive resistor RF1 other end takes over respectively/automatic change-over SA and relay K1 one end, Connecting to neutral after the hand/automatic change-over SA other end is connected with normally closed switch SB0, normal open switch SB1 and contactor coil KM1 Line, contactor KM1 are connected in parallel on normal open switch SB1 both ends, the relay K1 other end respectively with signal lamp XD1 and contactor Coil KM1 one end connection, one end of the relay K3 are started to exchange fire line, and the other end passes through indicator lamp BJ connecting to neutral lines；

The DO1 terminals of the bay HW-BA5208 types DDC chips, DO2 terminals, DO3 terminals respectively with relay K1-K3 The connection of coil one end, DI1 terminals are connected with contactor KM1, and DI2 terminals are connected with frequency sensitive resistor RF1, DI5 terminals and hand/ Automatic change-over SA connections.

Preferably, DI3, DI4 terminal of bay HW-BA5208 types DDC chips connect two position switch respectively.

The beneficial effects of the utility model are:Relative to prior art, the utility model is tied configuration software with DDC phases Close, student is fully known from experience the real application of configuration software, and can with limited equipment, cheap cost, Diversified program enriches the laboratory content of student.Meanwhile simulate the realistic case in building control system, the experiment built Platform can effectively improve interest, art of programming and the manipulative ability of student, greatly enrich the teaching efficiency of laboratory, and can be rich The engineering experience of rich student, reach the purpose of multi-dimensional teaching.

Brief description of the drawings

Fig. 1 is structural representation of the present utility model；

Fig. 2 is schematic diagram of the present utility model.

Embodiment

Below in conjunction with the accompanying drawings and preferred embodiment describes specific embodiment of the present utility model in detail.

It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", " right side " and similar statement are for illustrative purposes only.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to technology of the present utility model The implication that the technical staff in domain is generally understood that is identical.It is simply in term used in the description of the present utility model herein The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " include The arbitrary and all combination of one or more related Listed Items.Describe in detail below in conjunction with the accompanying drawings of the present utility model Concrete operating principle.

As depicted in figs. 1 and 2, a kind of sewage disposal experimental system based on DDC and configuration software, the system of experiment porch Structure is as shown in Figure 1.Configuration software and bay DDC programming software of the host computer with the strong control versions of Forcecontrol 6.1 LonMaker3.1 development platforms, slave computer use bay HW-BA5208 types DDC.Slave computer control of sewage disposal pump motor control circuit Work, is communicated between ForceControl configuration software and DDC using LonWorks networks, and monitors the state of DDC I/O interfaces, It is transferred in the form of variate-value on computer, uses and handle for host computer.Dredge pump circuit for controlling motor includes dredge pump Motor M, contactor KM1, relay K1, relay K2, relay K3, the blowdown pump motor M binding post successively with frequency Sensitive resistor RF1, contactor KM1, circuit breaker Q F1 series connection are followed by zero line and live wire, and zero line and live wire are distinguished by circuit breaker Q F2 Connect the input of AC-DC change-over circuits and the output termination breaker of relay K2 and indicator lamp L1, AC-DC change-over circuit QF3 input, circuit breaker Q F3 output end output 24V voltages；Live wire meets the one of frequency sensitive resistor RF1 by circuit breaker Q F4 End, the frequency sensitive resistor RF1 other end taken over respectively/automatic change-over SA and relay K1 one end, and hand/automatic conversion is opened The pass SA other end is connected with normally closed switch SB0, normal open switch SB1 and contactor coil KM1 is followed by zero line, contactor KM1 Be connected in parallel on normal open switch SB1 both ends, the relay K1 other end respectively with signal lamp XD1 and contactor coil KM1 one End connection, one end of the relay K3 are started to exchange fire line, and the other end passes through indicator lamp BJ connecting to neutral lines；

The DO1 terminals of the bay HW-BA5208 types DDC chips, DO2 terminals, DO3 terminals respectively with relay K1-K3 The connection of coil one end, DI1 terminals are connected with contactor KM1, and DI2 terminals are connected with frequency sensitive resistor RF1, DI5 terminals and hand/ Automatic change-over SA connections.

DI3, DI4 terminal of bay HW-BA5208 type DDC chips connect two position switch respectively.

Fig. 2 left sides are heavy-current control cabinet schematic diagram, are the electric control circuits of blowdown pump motor.System principle is：Blowdown Pump motor M has manual, automatic two kinds of control modes, is switched by hand/automatic change-over SA controls, when SA is in closing position, KM1 coils obtain electric when pressing start button SB1, its main contacts closure, can start dredge pump, KM1 when pressing stop button SB0 Coil losing electricity, its main contacts disconnect, and stop dredge pump.That is, SB1 and SB0 are control of sewage disposal pump start and stop under manual mode Button；And when SA is in open position, two hand push buttons of SB1 and SB0 do not work, and now whether KM1 coils obtain Electricity is determined by relay K1 normally opened contact, and K1 normally opened contact whether close depending on DDC DO1 export, that is, by DDC programs determine that, so under such a state, we are considered as automatically controlling for dredge pump.In addition, L1 lamps are an illuminating lamps, BJ Indicator lamp is dredge pump trouble lamp.

It is vulnerabilities scan cabinet schematic diagram on the right of Fig. 2.The signal that DDC five road DI are gathered respectively is：Dredge pump running status, Dredge pump hot stall, low liquid level liquid-level switch, high level liquid-level switch, hand/auto state.And three road DO outputs control respectively： The start and stop of auto state sewage pump, illuminating lamp, alarm lamp.

Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and Retouching also should be regarded as the scope of protection of the utility model.

Claims (2)

1. A kind of 1. sewage disposal experimental system based on DDC and configuration software, it is characterised in that：Including host computer, slave computer with And dredge pump circuit for controlling motor；Configuration software and bay of the host computer with the strong control versions of Forcecontrol 6.1 DDC programming software LonMaker3.1 development platforms；The slave computer is communicated with the host computer, and slave computer uses bay HW-BA5208 type DDC chips, the dredge pump circuit for controlling motor are controlled by the slave computer, dredge pump circuit for controlling motor Including blowdown pump motor M, contactor KM1, relay K1, relay K2, relay K3, the terminals of the blowdown pump motor M Son connect with frequency sensitive resistor RF1, contactor KM1, circuit breaker Q F1 is followed by zero line and live wire successively, and zero line and live wire, which pass through, to break Road device QF2 connects the output of the input and relay K2 and indicator lamp L1, AC-DC change-over circuit of AC-DC change-over circuits respectively Terminate circuit breaker Q F3 input, circuit breaker Q F3 output end output 24V voltages；Live wire connects the quick electricity of frequency by circuit breaker Q F4 Hindering device RF1 one end, the frequency sensitive resistor RF1 other end takes over respectively/automatic change-over SA and relay K1 one end, Connecting to neutral after the hand/automatic change-over SA other end is connected with normally closed switch SB0, normal open switch SB1 and contactor coil KM1 Line, contactor KM1 are connected in parallel on normal open switch SB1 both ends, the relay K1 other end respectively with signal lamp XD1 and contactor Coil KM1 one end connection, one end of the relay K3 are started to exchange fire line, and the other end passes through indicator lamp BJ connecting to neutral lines；

   The DO1 terminals of the bay HW-BA5208 types DDC chips, DO2 terminals, DO3 the terminals line with relay K1-K3 respectively One end connection is enclosed, DI1 terminals be connecteds with contactor KM1, and DI2 terminals are connected with frequency sensitive resistor RF1, DI5 terminals and hand/automatically Change-over switch SA connections.
2. 2. the sewage disposal experimental system according to claim 1 based on DDC and configuration software, it is characterised in that：Bay DI3, DI4 terminal of HW-BA5208 type DDC chips connect two position switch respectively.