DCS control device for electrical equipment of water supply system

Abstract

The utility model discloses a DCS (Distributed Control System) control device for electrical equipment of a water supply system, which is characterized in that electrical equipment in a water source station, a primary water purification station, a primary pressurization station, a secondary water purification station, a secondary pressurization station and a chemical pump station of the water supply system are all in communication connection with the DCS in a wireless mode on the basis of the existing automatic water supply DCS and the water supply system; therefore, high-voltage and low-voltage electrical equipment of each pump station can be protected, monitored and controlled, and remote control and telemetering of the electrical equipment of each pump station can be realized, so that the quality and efficiency of daily unit operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of water supply system control device, specifically relates to a water supply system electrical equipment DCS control device. BACKGROUND

[0002] For the existing water supply system, mainly including water source station, primary water purification station, primary pressurizing station, secondary water purification station, secondary pressurizing station, chemical pump station. The water source station is from natural water source water, carries out preliminary filtration and promotes water level, the primary water purification station is used for primary treatment to raw water, including coagulation, sedimentation, filtration (such as sand filtration) and disinfection (such as chlorination), the primary pressurizing station is used to promote the water pressure after primary water purification, ensure that water flow can be transported or overcome elevation difference at a distance, the secondary purification station is used for depth treatment (such as activated carbon adsorption, membrane filtration, ozone chlorination), further removes organic matter, heavy metal, peculiar smell etc., the secondary pressurizing station is used for secondary pressurization to the water after depth treatment, ensure the water pressure stability of end user (such as high-rise building, remote user), the chemical pump station is usually designed for pressurization / delivery station of chemical park or special industrial user, possibly contains corrosion-resistant pump, flow regulating valve etc.

[0003] However, the water source station, the primary water purification station, the primary pressurizing station, the secondary water purification station, the secondary pressurizing station and the chemical pump station in the prior art are all operated based on manual operation, and the following matters need to be paid attention to during operation: the primary pressurizing station and the secondary pressurizing station need to coordinate pump frequency according to pipe network pressure sensor data to avoid local overpressure or negative pressure, at the same time, the water quality data of the secondary water purification station can be fed back to the primary water purification station to dynamically adjust the amount of dosing, in addition, the water source station→the primary water purification station→the primary pressurizing station→the secondary water purification station→the secondary pressurizing station→the user form a series chain, and the DCS needs to ensure that the previous link meets the standard before starting the next link (such as the turbidity meets the standard, and then the pressurizing station starts).

[0004] It can be seen that the water supply system in the prior art has the following shortcomings: first, personnel operate each electrical equipment on site, which is unsafe and labor-intensive, second, the whole water supply system is manually started, and telephone notification is used to start in sections, which is low in work efficiency, third, the working time of the peak and valley period is manually controlled, the degree of automation is low, and there is a lack of corresponding detection means, resulting in waste of resources. UTILITY MODEL CONTENT

[0005] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a water supply system electrical equipment DCS control device, which can replace manual monitoring of the whole water supply system to improve work efficiency.

[0006] The purpose of the utility model is realized by the following technical scheme:

[0007] The utility model provides a kind of water supply system electrical equipment DCS control device, including DCS system, water source station, primary water purification station, primary pressurizing station, secondary water purification station, secondary pressurizing station and chemical pump station, the water source station, primary water purification station, primary pressurizing station, secondary water purification station, secondary pressurizing station and chemical pump station are connected with the DCS system by wireless mode.

[0008] Further, the water source station, primary water purification station, primary pressurizing station, secondary water purification station, secondary press uring station and chemical pump station are connected with the DCS system by Ethernet communication mode or serial communication mode.

[0009] Further, the vacuum pump, blowdown pump, motor set, circuit breaker, flow meter and water level gauge of the water source station are connected with the DCS system by wireless mode; the blowdown pump, motor set, low-voltage general cabinet, circuit breaker, flow meter and water level gauge of the primary water purification station are connected with the DCS system by wireless mode; the blowdown pump, low-voltage general cabinet, motor set, circuit breaker, flow meter and water level gauge of the primary pressurizing station are connected with the DCS system by wireless mode; the blowdown pump, motor set, low-voltage general cabinet, low-voltage incoming line general switch, voltage stabilizer incoming line switch, circuit breaker, flow meter and water level gauge of the secondary water purification station are connected with the DCS system by wireless mode; the low-voltage general cabinet, motor set, circuit breaker, flow meter and water level gauge of the secondary pressurizing station are connected with the DCS system by wireless mode; and the motor set and low-voltage general cabinet of the chemical pump are connected with the DCS system by wireless mode.

[0010] Further, the DCS system has a configuration interface.

[0011] The utility model has the following beneficial effects:

[0012] On the basis of the existing water supply automation DCS system and water supply system, the electrical equipment in the water source station, primary water purification station, primary pressurizing station, secondary water purification station, secondary pressurizing station and chemical pump station of the water supply system are connected with the DCS system by wireless mode, so that the high-voltage and low-voltage electrical equipment of each pump station can be protected, monitored and controlled, and remote control and remote measurement of the electrical equipment of each pump station can be realized, so as to improve the quality and efficiency of daily unit operation. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 The utility model is a schematic diagram of a water supply system.

[0014] In the figure: 1, water source station; 2, primary water purification station; 3, primary pressurizing station; 4, secondary water purification station; 5, secondary pressurizing station; 6, chemical pump station. DETAILED DESCRIPTION

[0015] The utility model makes further detailed description in combination with the drawings and specific embodiments. The terms such as "upper", "inner", "middle", "left", "right" and "a" cited in the specification are merely for the convenience of clear description, and are not used to limit the scope of the utility model, and the change or adjustment of the relative relationship is also regarded as the scope of the utility model under the condition of no substantial change of technical content.

[0016] The utility model discloses to the prior art water supply system needs manual operation each electrical equipment on the spot, therefore has the problem of low safety and work efficiency, and on the basis of the prior art water supply system and DCS system, a kind of water supply system electrical equipment DCS control device is designed, can replace manual monitoring and control to entire water supply system, to improve operating safety and work efficiency.

[0017] The structure and working principle of the water supply system electrical equipment DCS control device of the utility model are described in detail as follows:

[0018] A kind of water supply system electrical equipment DCS control device, as Figure 1 Shown, mainly established on existing water supply automation DCS system, utilize original system high degree of automation, strong expandability, simple operation, data processing capacity is strong etc., through independent research and development (configuration, edit) in line with the DCS system of the diversification communication mode of company each pump station power production, wherein, water source station 1, first water purification station 2, first pressure station 3, second water purification station 4, second pressure station 5 and chemical pump station 6 form water supply system, and the electrical equipment of water supply system is connected with DCS system by wireless virtual communication mode, and this wireless virtual communication mode can adopt Ethernet communication mode, serial communication mode or 485 communication mode.

[0019] In the embodiment, as Figure 1 Shown, water source station 1, first water purification station 2, first pressure station 3, second water purification station 4, second pressure station 5 and chemical pump station 6 form water supply system of prior art conventional prior art, wherein,

[0020] Water source station 1 is used to take water from natural water source, carries out preliminary filtration and promotes water level, and water source station 1 has vacuum pump, blow-off pump, motor set, circuit breaker, flowmeter, water level gauge and other electrical equipment, and these electrical equipment is connected with DCS system by wireless mode, to transmit the working condition and information of each electrical equipment in water source station 1 to DCS system by wireless mode, to facilitate DCS system to carry out real-time monitoring to water source station 1.

[0021] The primary water purification station 2 is used for primary treatment of raw water, including coagulation, sedimentation, filtration (such as sand filtration), and disinfection (such as chlorination). The primary water purification station 2 has sewage pumps, motor sets, low-voltage cabinets, circuit breakers, flow meters, water level meters, and other electrical equipment, which are all connected in communication with the DCS system through wireless means, so as to transmit the working status and information of each electrical equipment in the primary water purification station 2 to the DCS system through wireless means, so as to facilitate real-time monitoring and control of each electrical equipment in the primary water purification station 2.

[0022] The primary water purification station 2 is used for primary treatment of raw water, including coagulation, sedimentation, filtration (such as sand filtration), and disinfection (such as chlorination). The primary water purification station 2 has sewage pumps, motor sets, low-voltage cabinets, circuit breakers, flow meters, water level meters, and other electrical equipment, which are all connected in communication with the DCS system through wireless means, so as to transmit the working status and information of each electrical equipment in the primary water purification station 2 to the DCS system through wireless means, so as to facilitate real-time monitoring and control of each electrical equipment in the primary water purification station 2.

[0023] The secondary purification station is used for deep treatment (such as activated carbon adsorption, membrane filtration, ozone chlorination), to further remove organic matter, heavy metals, odors, etc. The secondary water purification station 4 has sewage pumps, motor sets, low-voltage cabinets, low-voltage incoming line total switches, voltage stabilizer incoming line switches, circuit breakers, flow meters, water level meters, and other electrical equipment, which are all connected in communication with the DCS system through wireless means, so as to transmit the working status and information of each electrical equipment in the secondary purification station to the DCS system through wireless means, so as to facilitate real-time monitoring and control of each electrical equipment in the secondary purification station.

[0024] The secondary water purification station 4 has sewage pumps, motor sets, low-voltage cabinets, low-voltage incoming line total switches, voltage stabilizer incoming line switches, circuit breakers, flow meters, water level meters, and other electrical equipment, which are all connected in communication with the DCS system through wireless means, so as to transmit the working status and information of each electrical equipment in the secondary purification station to the DCS system through wireless means, so as to facilitate real-time monitoring and control of each electrical equipment in the secondary purification station.

[0025] The secondary water purification station 4 has sewage pumps, motor sets, low-voltage cabinets, low-voltage incoming line total switches, voltage stabilizer incoming line switches, circuit breakers, flow meters, water level meters, and other electrical equipment, which are all connected in communication with the DCS system through wireless means, so as to transmit the working status and information of each electrical equipment in the secondary purification station to the DCS system through wireless means, so as to facilitate real-time monitoring and control of each electrical equipment in the secondary purification station.

[0026] It should be noted that the electrical equipment in the water source station 1, the first water purification station 2, the first pressurizing station 3, the second water purification station 4, the second pressurizing station 5 and the chemical pump station 6 of the water supply system are all suitable for MODBUS communication protocol.

[0027] In the embodiment, the DCS system has a configuration interface, and a programmer can control the corresponding electrical equipment switch through the configuration interface of the DCS system or add the point of the power parameter of the corresponding electrical equipment; the DCS system writes a corresponding communication configuration file according to the communication mode and the analog signal (A1 A0) or the on-off signal (D1 D0) of the electrical equipment to be added, so as to complete the DCS communication connection. At the same time, the utility model takes the advantage of the strong expansibility of the DCS system, independently edits the primary control diagram of the power system of each pump station on the graphic interface of the DCS system, and adds the control point and each power parameter to the graphic.

[0028] In summary, the utility model uses the electrical equipment in the water source station 1, the first water purification station 2, the first pressurizing station 3, the second water purification station 4, the second pressurizing station 5 and the chemical pump station 6 of the water supply system to be connected with the DCS system through a wireless mode, so that the high-voltage and low-voltage electrical equipment of each pump station can be protected, monitored and controlled, and the remote control and remote measurement of the electrical equipment of each pump station can be realized, so as to improve the quality and efficiency of the daily operation of the unit.

[0029] The embodiments of the utility model are not limited to this, according to the above content of the utility model, using the ordinary technical knowledge and usual means in the art, without departing from the above basic technical thought of the utility model, the utility model can also make other various forms of modification, replacement or combination, all fall within the protection scope of the utility model.

Claims

1. A DCS control device for water supply system electrical equipment, comprising a DCS system, a water source station, a first-stage water purification station, a first-stage pressurization station, a second-stage water purification station, a second-stage pressurization station, and a chemical pump station, characterized in that, The water source station, the first-stage water purification station, the first-stage pressurizing station, the second-stage water purification station, the second-stage pressurizing station and the chemical pump station are in wireless communication connection with the DCS system.

2. The water service electrical equipment DCS control apparatus of claim 1, wherein, The water source station, the first-stage water purification station, the first-stage pressurizing station, the second-stage water purification station, the second-stage pressurizing station and the chemical pump station are in communication connection with the DCS system through Ethernet communication or serial communication.

3. The DCS control device for the electrical equipment of the water supply system according to claim 2, characterized in that: The vacuum pump, the blowdown pump, the motor set, the circuit breaker, the flow meter and the water level meter of the water source station are in wireless communication connection with the DCS system; The blowdown pump, the motor set, the low-voltage general cabinet, the circuit breaker, the flow meter and the water level meter of the first-stage water purification station are in wireless communication connection with the DCS system; The blowdown pump, the low-voltage general cabinet, the motor set, the circuit breaker, the flow meter and the water level meter of the first-stage pressurizing station are in wireless communication connection with the DCS system; The blowdown pump, the motor set, the low-voltage general cabinet, the low-voltage incoming line general switch, the voltage stabilizer incoming line switch, the circuit breaker, the flow meter and the water level meter of the second-stage water purification station are in wireless communication connection with the DCS system; The low-voltage general cabinet, the motor set, the circuit breaker, the flow meter and the water level meter of the second-stage pressurizing station are in wireless communication connection with the DCS system; The motor set and the low-voltage general cabinet of the chemical pump are in wireless communication connection with the DCS system.

4. The water service electrical equipment DCS control apparatus of claim 1, wherein, The DCS system has a configuration interface.

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