CN111459065A - Dry fog presses down dirt control system based on power supply bus communication technique - Google Patents
Dry fog presses down dirt control system based on power supply bus communication technique Download PDFInfo
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- CN111459065A CN111459065A CN202010285872.2A CN202010285872A CN111459065A CN 111459065 A CN111459065 A CN 111459065A CN 202010285872 A CN202010285872 A CN 202010285872A CN 111459065 A CN111459065 A CN 111459065A
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- power supply
- controller
- communication module
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24215—Scada supervisory control and data acquisition
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Abstract
The invention discloses a dry fog dust suppression control system based on a power supply bus communication technology, which comprises: the system comprises a controller, a direct-current switch power supply, a main station carrier communication module, a bus cable, a plurality of substation controllers and a plurality of electromagnetic valves; the controller is connected with the master station carrier communication module; the direct-current switch power supply is connected with the power supply input end of the main station carrier communication module; the power supply output end of the main station carrier communication module is connected with a bus cable; a plurality of substation controllers are connected to the bus cable in parallel; at least one electromagnetic valve is connected with the substation controller, wherein the electromagnetic valve is used for controlling the on-off of the spraying equipment. The dry fog dust suppression control system based on the power supply bus communication technology reduces engineering materials such as control cables, cable bridges and the like, reduces construction working hours and saves cost.
Description
Technical Field
The invention relates to the technical field of dry fog dust suppression, in particular to a dry fog dust suppression control system based on a power supply bus communication technology.
Background
The harm of dust haze weather caused by PM2.5 dust particles to human health is larger than that of a sand storm, the fine particles can enter an upper respiratory tract and are not easily blocked by nasal cavity villi to directly enter a bronchus, so that gas exchange of the lung is interfered, and diseases in aspects of asthma, bronchitis, cardiovascular diseases and the like are caused, and even cancers are caused. To solve this problem, dry fog dust suppression devices have been proposed in the prior art.
At present, the on-off control of the electromagnetic valve of the spraying node in the dry fog dust suppression control system is mainly realized by P L C, an intermediate relay and a control cable in an electrical control box of a dry fog dust suppression host, please refer to the attached drawing 1. because the number of on-site spraying nodes is large, the arrangement is dispersed and the distance is long, a plurality of cables are needed from the dry fog dust suppression host to each spraying node, and the cables are erected to each spraying node through a cable bridge to be connected with the electromagnetic valve, the outstanding problems of more engineering construction materials, large difficulty, long construction period, high cost and the like are caused.
Therefore, how to provide a dry fog dust suppression control system which saves cost and construction time is a problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of this, the invention provides a dry fog dust suppression control system based on a power supply bus communication technology, which reduces the construction time and saves the cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a dry fog presses down dirt control system based on power supply bus communication technique includes: the system comprises a controller, a direct-current switch power supply, a main station carrier communication module, a bus cable, a plurality of substation controllers and a plurality of electromagnetic valves;
the controller is connected with the master station carrier communication module;
the direct-current switch power supply is connected with the power supply input end of the main station carrier communication module;
the power supply output end of the master station carrier communication module is connected with the bus cable;
a plurality of substation controllers are connected to the bus cable in parallel;
at least one electromagnetic valve is connected with the substation controller, wherein the electromagnetic valve is used for controlling the on-off of the spraying equipment.
Preferably, the controller comprises a P L C controller.
Preferably, the P L C controller is connected to the master station carrier communication module through an RS485 communication cable.
Preferably, the output voltage of the direct current switching power supply is 24V-48V, and the direct current switching power supply is connected to the main station carrier communication module.
According to the technical scheme, compared with the prior art, the dry fog dust suppression control system based on the power supply bus communication technology is provided, the on-off control of the electromagnetic valves of all the nodes can be completed from the dry fog dust suppression host to all the spray control nodes by utilizing a single power supply bus cable, the electromagnetic valves are supplied with power, a cable bridge and a plurality of cables are not required to be erected, the engineering materials are less, the construction working hours are reduced, and the cost is saved.
Moreover, the electric control box of the dry fog dust suppression host machine mainly comprises a P L C, a direct-current switch power supply and a main station carrier wave controller by adopting a power supply bus communication control technology, so that a large number of intermediate relays are omitted, the dry fog dust suppression host machine with the same specification can be used universally, and the production and stock of the dry fog dust suppression host machine are facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of an electrical connection structure of a dry fog dust suppression control system in the prior art;
FIG. 2 is a schematic diagram of an electrical connection structure of a dry fog dust suppression control system based on a power supply bus communication technology provided by the invention;
FIG. 3 is a block diagram of an internal structure of a master station carrier communication module according to the present invention;
FIG. 4 is a block diagram of the internal structure of a substation controller according to the present invention;
FIG. 5 is a circuit diagram of a power FET and a carrier circuit in a carrier communication module of a master station according to the present invention;
fig. 6 is a circuit diagram of a PB721 carrier module circuit in the master station carrier communication module according to the present invention;
fig. 7 is a circuit diagram of a single chip, a PB331 chip and a carrier circuit in the substation controller according to the present invention;
FIG. 8 is a schematic diagram of an optical coupling isolation part of a single chip and a relay output in the substation controller provided by the invention;
FIG. 9 is a schematic diagram of an output portion of a relay of a substation controller according to the present invention;
fig. 10 is a schematic diagram of a DC/DC module portion in the substation controller provided in 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 the accompanying drawings 2-7, the embodiment of the invention discloses a dry fog dust suppression control system based on a power supply bus communication technology, which comprises: the system comprises a controller, a direct current switch power supply, a main station carrier communication module, a bus cable, a plurality of substation controllers and a plurality of electromagnetic valves, wherein one substation controller can control one or more electromagnetic valves.
During specific implementation, the controller can be a Siemens S7-200 smart industrial controller with the model of 288-1CR40-0AA 0; the DC switch power supply can be a switch power supply of a guide rail 10A for converting 220V into 24V in Taiwan Ming latitude, and the model is NDR-240-24; the master station carrier communication module can select a 10A carrier module for Beijing forced connection communication, and the model is ADM-ISO-REP 485-10A-4085; the bus cable adopts a heavy rubber sleeve oil-resistant flexible cable YCW2 × 6; the substation controller adopts a ZFK-24-4 power bus substation controller produced by Sitai Italy, and the electromagnetic valve is a 2V130-15 DC24 electromagnetic valve of Taiwan Addie.
The P L C controller is connected with the master station carrier communication module through an RS485 communication cable;
the output voltage of the direct-current switching power supply is 24-48V and is connected with the power supply input end of the main station carrier communication module;
the power supply output end of the main station carrier communication module is connected with a bus cable;
a plurality of substation controllers are connected to the bus cable in parallel;
the controller of the branch station is connected with one or more electromagnetic valves, wherein the electromagnetic valves are used for controlling the opening and closing of the spraying equipment (namely the opening and closing of the water and the air pipelines).
In addition, with reference to fig. 5 to 10, the embodiment of the present invention further provides an internal circuit diagram of the master station carrier communication module and an internal circuit diagram of the substation controller. The inside of the master station carrier communication module adopts a PB620 master station chip, and as shown in FIG. 6, a carrier circuit adopts a P-channel field effect transistor Q1, P-type triodes T4 and T5, and resistors R28, R31 and R32.
The MCU in the substation controller is an STC15W408 single chip microcomputer, U is a substation carrier chip PB331, a 3.1TxD end of the MCU is connected with a URX end of the U, a 3.0RxD end of the MCU is connected with a UTX end of the U for serial data exchange, a P5.4 pin VH/of the MCU is connected with an optical coupler OC in the controller 10, a voltage division circuit composed of R, R and R is controlled after optical coupler isolation, switching between output 24V high voltage and 7V low voltage is realized after detection of a FB pin of a voltage reduction chip U, OUT to OUT of the MCU are output control ends connected to the optical coupler OC, the output control ends are correspondingly connected to a 3 pin coil end of a relay JK to JK by an E end after optical coupler isolation, a DC/DC output voltage V end is connected with a 1 pin normally open contact end of the relay JK to JK, normally open corresponding output to a CN to CN of the MCU to CN terminal for use in a CN terminal, when the MCU is started, the output voltage V end of the relay JK is connected with a normally open to a 1 pin normally open a normally open contact end of a normally, a DC/DC output terminal of a DC output terminal of the MCU JK to a bus of a wireless controller, the MCU is more conveniently, a wireless controller, the MCU, the DC/DC output terminal of a wireless controller, the wireless controller is more conveniently, the wireless controller is connected with a wireless controller, the wireless controller is connected with a.
In addition, it should be noted that the specific circuit components provided in the drawings are not the main points to be protected in this application, but only a specific implementation manner is given, and other existing circuit modules or devices may also be used to implement the dry fog dust suppression control system based on the power supply bus communication technology provided by the present invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (4)
1. A dry fog presses down dirt control system based on power supply bus communication technique, its characterized in that includes: the system comprises a controller, a direct-current switch power supply, a main station carrier communication module, a bus cable, a plurality of substation controllers and a plurality of electromagnetic valves;
the controller is connected with the master station carrier communication module;
the direct-current switch power supply is connected with the power supply input end of the main station carrier communication module;
the power supply output end of the master station carrier communication module is connected with the bus cable;
a plurality of substation controllers are connected to the bus cable in parallel;
at least one electromagnetic valve is connected with the substation controller, wherein the electromagnetic valve is used for controlling the on-off of the spraying equipment.
2. The dry fog dust suppression control system based on the power supply bus communication technology as claimed in claim 1, wherein the controller comprises a P L C controller.
3. The dry fog dust suppression control system based on the power supply bus communication technology as claimed in claim 2, wherein the P L C controller is connected with the master station carrier communication module through an RS485 communication cable.
4. The dry fog dust suppression control system based on the power supply bus communication technology as claimed in any one of claims 1 to 3, wherein the output voltage of the DC switching power supply is 24V-48V and is connected to the main station carrier communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285872.2A CN111459065A (en) | 2020-04-13 | 2020-04-13 | Dry fog presses down dirt control system based on power supply bus communication technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010285872.2A CN111459065A (en) | 2020-04-13 | 2020-04-13 | Dry fog presses down dirt control system based on power supply bus communication technique |
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| CN111459065A true CN111459065A (en) | 2020-07-28 |
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| CN202010285872.2A Pending CN111459065A (en) | 2020-04-13 | 2020-04-13 | Dry fog presses down dirt control system based on power supply bus communication technique |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191377Y (en) * | 2008-05-08 | 2009-02-04 | 西安博恒智能技术有限公司 | Electric wire type field bus coal water spray control system |
| CN201567061U (en) * | 2009-11-02 | 2010-09-01 | 西安博恒智能技术有限公司 | Power line fieldbus integrated control system for coal handling system in thermal power plant |
| CN102050316A (en) * | 2009-11-02 | 2011-05-11 | 西安博恒智能技术有限公司 | Power line type field bus comprehensive control system for coal handling system of heat power plant |
| US20150127862A1 (en) * | 2012-04-10 | 2015-05-07 | Tyco Electronics (Shanghai) Co. Ltd. | Intelligent Connector and Bus Controller |
| CN209327853U (en) * | 2019-01-02 | 2019-08-30 | 山东交通学院 | A kind of power carrier signal control system for intelligent ice prevention and snow removing system |
-
2020
- 2020-04-13 CN CN202010285872.2A patent/CN111459065A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201191377Y (en) * | 2008-05-08 | 2009-02-04 | 西安博恒智能技术有限公司 | Electric wire type field bus coal water spray control system |
| CN201567061U (en) * | 2009-11-02 | 2010-09-01 | 西安博恒智能技术有限公司 | Power line fieldbus integrated control system for coal handling system in thermal power plant |
| CN102050316A (en) * | 2009-11-02 | 2011-05-11 | 西安博恒智能技术有限公司 | Power line type field bus comprehensive control system for coal handling system of heat power plant |
| US20150127862A1 (en) * | 2012-04-10 | 2015-05-07 | Tyco Electronics (Shanghai) Co. Ltd. | Intelligent Connector and Bus Controller |
| CN209327853U (en) * | 2019-01-02 | 2019-08-30 | 山东交通学院 | A kind of power carrier signal control system for intelligent ice prevention and snow removing system |
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