阅读说明：本技术 一种无塔恒压供水电气控制系统装调实训装置 (Tower-free constant-pressure water supply electrical control system installation and adjustment practical training device ) 是由 李力 刘锦江 唐昊霞 于 2021-05-17 设计创作，主要内容包括：本发明提出一种无塔恒压供水电气控制系统装调实训装置,包括无塔恒压供水电气控制柜和供水管网小型化组件,无塔恒压供水电气控制柜采用完全真实的设备,增压水泵及水路部分采用小型化的模拟装置,在降低实训设备购置成本和使用成本的同时又保证了较好的实训真实度,本发明的实训装置可进行无塔恒压供水电气控制系统的安装、调试、维护、维修等技能训练,可在普通实验实训教室内布置,且占地面积较小,操作直观,可多台套设备集中放置,有利于实训教学的开展,且在运行过程中,能源消耗较少,产生的噪音也较小,技能训练效果较好。(The invention provides a fitting and debugging practical training device for a towerless constant-pressure water supply electrical control system, which comprises a towerless constant-pressure water supply electrical control cabinet and a water supply network miniaturized assembly, wherein the towerless constant-pressure water supply electrical control cabinet adopts completely real equipment, and a booster water pump and a water path part adopt miniaturized simulation devices, so that the purchasing cost and the use cost of practical training equipment are reduced, and meanwhile, the good practical training reality degree is ensured.)

1. The utility model provides a real device of instructing is debug to no tower constant pressure water supply electrical control system which characterized in that: the device comprises a towerless constant-pressure water supply electrical control cabinet and a water supply network miniaturized assembly, wherein the water supply network miniaturized assembly comprises a booster water pump module, a sensor module, a practical training device automatic control module, a water path module and a rack device, the sensor module comprises a user side water pressure detector, a water inlet pipe water pressure detector and a liquid level detector, the practical training device automatic control module comprises a municipal water supply electric control valve, a water inlet pump, a frequency converter, a user electric control faucet, a water return pump and a practical training device controller, and the water path module comprises a pressureless water supply tank, a pressure stabilizing tank, a pressure tank, a water return pipe, a water collection tank, a check valve and connecting water pipes of the components; the water inlet of the municipal water supply electric control valve is connected with a municipal water supply pipe, the water outlet of the electric control valve is connected with the water inlet of the non-pressure water supply tank through a connecting water pipe, the water outlet of the non-pressure water supply tank is connected with the water inlet of the water inlet pump through a connecting water pipe, the water outlet of the water inlet pump is connected with the water inlet of the check valve, the water outlet of the check valve is connected with the water inlet of the pressure stabilizing tank through a connecting water pipe, the water outlet of the pressure stabilizing tank is connected with the water inlet of the pressure boosting pump and the water inlet of the check valve of the straight pipeline through a connecting water pipe, the air pressure tank is connected with the water pipe of the user through a connecting water pipe, the electric control faucet of each user is connected with the water pipe through a connecting water pipe, each water return tank is arranged below the electric control faucet of the user, the water outlet of the return water tank is connected with the water return pipe, the water inlet of the water collecting tank is connected with the water inlet of the water return pump through a connecting water pipe, the water outlet of the water return pump is connected with the water inlet of the non-pressure water supply tank through a connecting water pipe; the signal output of the water pressure sensor is connected with a signal input interface of a water pressure sensor of a towerless constant-pressure water supply electrical control cabinet, the electrical output of the towerless constant-pressure water supply electrical control cabinet is connected with a booster water pump module, a switch signal of a liquid level detector of a non-pressure water supply tank and a water collection tank is connected with an input terminal of a controller, the signal output of a water pressure detector of a water inlet pipe is connected with an analog input terminal of the controller, a communication interface of a human-machine interface (HMI) is connected with a communication interface of the controller, a frequency converter is connected with the controller through a bus, a water return pump is connected with a relay and is connected with an output terminal of the controller, a municipal water supply electric control valve is connected with the controller through a relay, a water inlet pump is electrically connected with the frequency converter, a control wire of the municipal water supply electric control valve is connected with the output terminal of the controller through the relay, the power supply input of the water inlet pump is connected with the output terminal of the frequency converter, and a user electric control faucet array is connected with the output terminal of the controller through a relay array; after the towerless constant-pressure water supply electrical control cabinet is started, the towerless constant-pressure water supply electrical control system starts to work, signals of all water pressure sensors enter the electrical control cabinet, the towerless constant-pressure water supply electrical control system regulates and controls the variable-speed booster water pump according to the design and assembly and adjustment result, the practical training device automatic control module regulates the rotating speed of the water inlet pump according to the setting of HIM, the fluctuation of the water pressure of a municipal water supply network is simulated, the electric control user faucet array is controlled to be switched on and off, the fluctuation of the water for users is simulated, the towerless constant-pressure water supply electrical control cabinet carries out independent regulation and control according to the obtained water pressure signal, the practical training device automatic control module detects the liquid level of a pressureless water supply tank in real time, when the liquid level is lower than the lowest value, the municipal water supply electric control valve is controlled to be opened to inject water into the water supply tank, when the liquid level is higher than the highest value, and when the liquid level of the water collection tank is higher than the highest liquid level, and the automatic control module of the practical training device starts the water return pump to pump water back to the non-pressure water supply tank until the lowest liquid level water return pump is stopped, and redundant water in the non-pressure water supply tank is discharged from the drainage port.

2. The installation and adjustment practical training device for the towerless constant-pressure water supply electrical control system according to claim 1, which has the following working procedures: after the electric control cabinet for the towerless constant-pressure water supply is subjected to practical training operations such as installation, debugging, maintenance and the like, the electric control cabinet is connected into the device, the electric control cabinet and the automatic control module of the practical training device are electrically started, the electric control cabinet controls the towerless constant-pressure water supply system according to practical training results such as installation, debugging, maintenance and the like, the automatic control module of the practical training device is responsible for controlling the practical training device per se, a frequency converter of the automatic control module of the practical training device controls a water inlet pump to start running, a municipal tap water pipe network is simulated to supply pressurized tap water for the towerless constant-pressure water supply, the electric control cabinet for the towerless constant-pressure water supply is regulated and controlled according to real running conditions, the automatic control module of the practical training device controls the water inlet pump to regulate the water inlet pressure so as to simulate the pressure fluctuation of municipal water supply, and the automatic control module of the practical training device controls a tap array to be opened by a user, be used for simulating the fluctuation of user's water consumption, the undulant constant voltage regulation control that carries out of towerless constant voltage water supply electrical control cabinet according to pressure of intaking and user's water consumption, and then verify the real standard result of skill such as installation, debugging, maintenance, user's tap water that flows through return water tank and return pipe flow to header tank, returns to the non-pressure water supply tank through the return pump at last.

Technical Field

The invention mainly relates to the technical field of teaching equipment, in particular to an installation and adjustment practical training device for a towerless constant-pressure water supply electrical control system.

Background

Along with the increase of urban building floors, municipal water supply networks often cannot stably guarantee water use of high floors, the problems of the water supply systems of the original building water supply modes such as a roof water tower, a high-rise water tank, constant-speed water pump pressurization and the like are also highlighted, indexes such as sanitation, energy consumption, reliability and the like gradually cannot meet the living demands of people, and the problem of contradiction between water supply and water use of high-rise buildings is increasingly highlighted, so that a plurality of newly-built high-rise buildings are provided with novel high-rise water supply systems to guarantee stable water supply of the high-rise buildings, wherein a towerless constant-pressure water supply system is one of the novel high-rise water supply modes commonly adopted by the high-rise buildings, along with the wide use of the towerless constant-pressure water supply system, the training of skills such as installation, debugging, maintenance and the like is more and more, a plurality of vocational schools and training institutions are provided with relevant training courses or projects, and the installation of the towerless constant-pressure water supply electrical control system, The debugging, maintenance, repair and the like are main skill training contents, and the practical training device of the towerless constant-pressure water supply electrical control system is a carrier for skill training, so that the installation, debugging, maintenance, repair and other skill training device of the towerless constant-pressure water supply electrical control system is of great significance.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the technical problems in the prior art, the invention provides a non-tower constant-pressure water supply electrical control system installation and adjustment practical training device which is high in teaching efficiency and small in resource investment.

In order to solve the technical problems, the technical scheme provided by the invention is as follows:

a fitting and debugging practical training device of a towerless constant-pressure water supply electrical control system comprises a towerless constant-pressure water supply electrical control cabinet and a water supply network miniaturization assembly, wherein the water supply network miniaturization assembly comprises a booster water pump module, a sensor module, a practical training device automatic control module, a water path module and a rack device, the sensor module comprises a user side water pressure detector, a water inlet pipe water pressure detector and a liquid level detector, the practical training device automatic control module comprises a municipal water supply electric control valve, a water inlet pump, a frequency converter, a user electric control faucet, a water return pump and a practical training device controller, and the water path module comprises a non-pressure water supply tank, a pressure stabilizing tank, a pressure tank, a water return pipe, a water collection tank, a check valve and a connecting water pipe of the components; the signal output of the water pressure sensor is connected with the signal input interface of the water pressure sensor of the towerless constant-pressure water supply electrical control cabinet, the electrical output of the towerless constant-pressure water supply electrical control cabinet is connected with the pressurized water pump module, the water inlet of the municipal water supply electrical control valve is connected with the municipal water supply pipe, the water outlet of the electrical control valve is connected with the water inlet of the non-pressure water supply tank through the connecting water pipe, the water outlet of the non-pressure water supply tank is connected with the water inlet of the water inlet pump through the connecting water pipe, the water outlet of the water inlet pump is connected with the water inlet of the check valve of the non-pressure water supply tank through the connecting water pipe, the water outlet of the pressure tank is connected with the water inlet of each pressurized water pump and the water inlet of the check valve of the straight pipeline through pipe through the connecting water pipe, the water outlet of each pressurized water pump and the water outlet of the check valve of the straight pipeline are connected with the user water pipe through the connecting water pipe, the air pressure tank is connected with the user water pipe through the connecting water pipe, and the electrical control faucet of each user is connected with the user water pipe through the connecting water pipe, each water return groove is arranged below the user electric control faucet, the water outlet of each water return groove is connected with a water return pipe, the water return pipe is connected with the water inlet of the water collecting tank, the water outlet of the water collecting tank is connected with the water inlet of the water return pump through a connecting water pipe, and the water outlet of the water return pump is connected with the water inlet of the non-pressure water supply tank through a connecting water pipe; the input terminal of the liquid level detector switching signal termination controller of non-pressure water supply tank and header tank, inlet tube water pressure detector signal output connects the analog input terminal of controller, the communication interface and the controller communication interface connection of human-machine interface (HMI), the converter passes through bus connection with the controller, the return water pump is put through relay and is connected with controller output terminal, municipal water supply automatically controlled valve passes through the relay and is connected with the controller, intake pump and converter electrical connection, the control line of municipal water supply automatically controlled valve passes through the relay and is connected with controller output terminal, intake pump power input connects the output terminal of converter, user's automatically controlled tap array connects the output terminal of controller through the relay array.

Preferably, the towerless constant-pressure water supply electrical control cabinet and the sensors are real equipment of a towerless constant-pressure water supply system.

Preferably, the booster water pumps of the booster water pump modules are the same type of low-power variable-speed booster water pumps, so as to simulate real high-power variable-speed booster water pumps.

After the towerless constant-pressure water supply electrical control cabinet is started, the towerless constant-pressure water supply electrical control system starts to work, signals of all water pressure sensors enter the electrical control cabinet, the towerless constant-pressure water supply electrical control system regulates and controls the variable-speed booster water pump according to the design and assembly and adjustment result, the practical training device automatic control module regulates the rotating speed of the water inlet pump according to the setting of HIM, the fluctuation of the water pressure of a municipal water supply network is simulated, the electric control user faucet array is controlled to be switched on and off, the fluctuation of the water for users is simulated, the towerless constant-pressure water supply electrical control cabinet carries out independent regulation and control according to the obtained water pressure signal, the practical training device automatic control module detects the liquid level of a pressureless water supply tank in real time, when the liquid level is lower than the lowest value, the municipal water supply electric control valve is controlled to be opened to inject water into the water supply tank, when the liquid level is higher than the highest value, and when the liquid level of the water collection tank is higher than the highest liquid level, and the automatic control module of the practical training device starts the water return pump to pump water back to the non-pressure water supply tank until the lowest liquid level water return pump is stopped, and redundant water in the non-pressure water supply tank is discharged from the drainage port.

Compared with the prior art, the invention has the advantages that: the installation and debugging practical training device for the towerless constant-pressure water supply electrical control system adopts completely real equipment, the booster water pump and the water path part adopt miniaturized simulation devices, the purchasing cost and the use cost of the practical training equipment are reduced, and meanwhile, the good practical training reality degree is ensured.

Drawings

Fig. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic structural diagram of an automatic control module of the practical training device in the invention.

Detailed Description

The invention is further described below with reference to the figures and the specific embodiments of the description.

As shown in fig. 1 to 2, the installation and adjustment training device for a towerless constant-pressure water supply electrical control system of the embodiment comprises a towerless constant-pressure water supply electrical control cabinet and a water supply network miniaturization assembly, wherein the water supply network miniaturization assembly comprises a booster water pump module, a sensor module, a training device automatic control module, a waterway module and a rack device, the sensor module comprises a user-side water pressure detector, a water inlet pipe water pressure detector and a liquid level detector, the training device automatic control module comprises a municipal water supply electric control valve, a water inlet pump, a frequency converter, a user electric control faucet, a water return pump and a training device controller, the waterway module comprises a non-pressure water supply tank, a pressure stabilizing tank, a pressure tank, a water return pipe, a water collection tank, a check valve and connecting water pipes of the above components, wherein the booster water pump module adopts 4 MS250/1.5 type centrifugal pumps, the user-side water pressure detector adopts a water pressure sensor matched with the towerless constant-pressure water supply electrical control system, the water pressure detector of the water inlet pipe adopts an MIK-P300 water pressure sensor, the liquid level detector adopts an ES12010-2 floating ball switch, the municipal water supply electric control valve adopts a 2W-025-08 electric control valve, the water inlet pump adopts an alternating-current booster water pump, the user electric control faucet adopts a 2W-025-06 low-voltage electric control valve and a 24V low-voltage direct-current pump of a water return pump, the practical training device controller adopts a Siemens S7-1200 type PLC, and the frequency converter adopts a Siemens MM440 small-sized frequency converter; the signal output of the water pressure sensor is connected with the signal input interface of the water pressure sensor of the towerless constant-pressure water supply electrical control cabinet, the electrical output of the towerless constant-pressure water supply electrical control cabinet is respectively connected with 4 MS250/1.5 centrifugal pumps, the water inlet of the municipal water supply electrical control valve 2W-025-08 electrical control valve is connected with a municipal water supply pipe, the water outlet of the 2W-025-08 electrical control valve is connected with the water inlet of a non-pressure water supply tank through a connecting water pipe, the water outlet of the non-pressure water supply tank is connected with the water inlet of a water inlet pump through a connecting water pipe, the water outlet of the water inlet pump is connected with the water inlet of a check valve through a connecting water pipe, the water outlet of the pressure stabilizing tank is connected with the water inlet of each pressure water pump and the water inlet of the check valve of the straight pipeline through a connecting water pipe, the water outlets of each pressure water pump and the check valve of the straight pipeline are connected with a user water pipe through connecting water pipes, the air pressure tank is connected with a user water pipe through a connecting water pipe, each user electric control faucet is connected with the user water pipe through a connecting water pipe, each water return tank is arranged below the user electric control faucet, the water outlet of each water return tank is connected with a water return pipe, the water return pipe is connected with the water inlet of the water collection tank, the water outlet of the water collection tank is connected with the water inlet of the water return pump through a connecting water pipe, and the water outlet of the water return pump is connected with the water inlet of the non-pressure water supply tank through a connecting water pipe; the signal end of a liquid level detector ES12010-2 float ball switch of the non-pressure water supply tank and the water collection tank is connected with the input terminal of a Siemens S7-1200 type PLC, the signal output of a water pressure detector MIK-P300 water pressure sensor of a water inlet pipe is connected with the analog input terminal of the PLC, a human-machine interface (HMI) adopts Smart Panel 700 IE, a Smart Panel 700 IE Ethernet interface is connected with an Ethernet interface of the S7-1200 type PLC, a MM440 frequency converter is connected with the S7-1200 type PLC through an RS485 bus, a water return pump is connected with a relay and is connected with the output terminal of the PLC, a municipal water supply electric control valve is connected with a controller through a relay, a water inlet pump is electrically connected with the frequency converter, a control line of the municipal water supply electric control valve 2W-025-08 is connected with the output terminal of the PLC through the relay, the power supply input of the water inlet pump is connected with the output terminal of the MM440 frequency converter, and a user electric control faucet array is connected with the output terminal of the PLC through a relay array.

After the towerless constant-pressure water supply electrical control cabinet is started, the towerless constant-pressure water supply electrical control system starts to work, signals of all water pressure sensors enter the electrical control cabinet, the towerless constant-pressure water supply electrical control system regulates and controls the variable-speed booster water pump according to the design and assembly and adjustment result, the practical training device automatic control module regulates the rotating speed of the water inlet pump according to the setting of HIM, the fluctuation of the water pressure of a municipal water supply network is simulated, the electric control user faucet array is controlled to be switched on and off, the fluctuation of the water for users is simulated, the towerless constant-pressure water supply electrical control cabinet carries out independent regulation and control according to the obtained water pressure signal, the practical training device automatic control module detects the liquid level of a pressureless water supply tank in real time, when the liquid level is lower than the lowest value, the municipal water supply electric control valve is controlled to be opened to inject water into the water supply tank, when the liquid level is higher than the highest value, and when the liquid level of the water collection tank is higher than the highest liquid level, and the automatic control module of the practical training device starts the water return pump to pump water back to the non-pressure water supply tank until the lowest liquid level water return pump is stopped, and redundant water in the non-pressure water supply tank is discharged from the drainage port.

Preferably, the towerless constant-pressure water supply electrical control cabinet and each water pressure sensor are real equipment of a towerless constant-pressure water supply system.

Preferably, the booster water pumps of the booster water pump modules are the same type of low-power variable-speed booster water pumps, so as to simulate real high-power variable-speed booster water pumps.

Preferably, the top of the non-pressure water supply tank is connected with the atmosphere through a pipeline, and the tank has no pressure.

The invention does not limit the towerless constant-pressure water supply electrical control cabinet, does not relate to the towerless constant-pressure water supply electrical control technology, is used for verifying the practical training results of the existing towerless constant-pressure water supply electrical control system such as installation, debugging, maintenance, reconstruction and the like, and provides a closed loop of a circuit and a waterway for the towerless constant-pressure water supply electrical control system, so the invention can be used for the practical training of towerless constant-pressure water supply electrical control cabinets of different brands.

The working process of the practical training device is as follows: after the electric control cabinet for the towerless constant-pressure water supply is subjected to practical training operations such as installation, debugging, maintenance and the like, the electric control cabinet is connected into the device, the electric control cabinet and the automatic control module of the practical training device are electrically started, the electric control cabinet controls the towerless constant-pressure water supply system according to practical training results such as installation, debugging, maintenance and the like, the automatic control module of the practical training device is responsible for controlling the practical training device per se, a frequency converter of the automatic control module of the practical training device controls a water inlet pump to start running, a municipal tap water pipe network is simulated to supply pressurized tap water for the towerless constant-pressure water supply, the electric control cabinet for the towerless constant-pressure water supply is regulated and controlled according to real running conditions, the automatic control module of the practical training device controls the water inlet pump to regulate the water inlet pressure so as to simulate the pressure fluctuation of municipal water supply, and the automatic control module of the practical training device controls a tap array to be opened by a user, be used for simulating the fluctuation of user's water consumption, the undulant constant voltage regulation control that carries out of towerless constant voltage water supply electrical control cabinet according to pressure of intaking and user's water consumption, and then verify the real standard result of skill such as installation, debugging, maintenance, user's tap water that flows through return water tank and return pipe flow to header tank, returns to the non-pressure water supply tank through the return pump at last.

The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the inventive idea belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may be made by those skilled in the art without departing from the principle of the invention.