CN210348229U - Intelligent toll booth control system based on RS485 communication - Google Patents
Intelligent toll booth control system based on RS485 communication Download PDFInfo
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- CN210348229U CN210348229U CN201920021384.3U CN201920021384U CN210348229U CN 210348229 U CN210348229 U CN 210348229U CN 201920021384 U CN201920021384 U CN 201920021384U CN 210348229 U CN210348229 U CN 210348229U
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Abstract
The utility model belongs to the technical field of intelligent toll booth, specifically disclose intelligent toll booth control system based on RS485 communication, including control software, with the vice control card of control software connection communication, with the master control card of vice control card connection communication, and receive the door and window control platelet of connection control signal and electric door and window controller communication, the master control card passes through the signal line with vice control card and is connected, the data signal of control software conveying is received through WIFI communication module or network interface module in the vice control card and is converted into digital signal, vice control card passes the signal line and gives the master control card with digital signal transmission, the signal transmission after the master control card will be handled gives each terminal equipment to drive each terminal equipment output. The intelligent toll booth control system is simple in structure, good in stability and safe and reliable to use.
Description
Technical Field
The utility model belongs to the technical field of intelligent toll booth, concretely relates to intelligence toll booth control system based on RS485 communication.
Background
In the prior art, the intelligent toll booth is late in use time and low in use popularization rate, the intelligent toll booth begins to be in a rapid development stage in recent years, products of various manufacturers are not unified, the variety is wide, and the stability cannot be guaranteed.
In the smart tollbooth products, there are many devices that need to be controlled, such as: automatic doors and windows, lighting systems, fresh air systems, air conditioning systems and the like, and therefore, the need for an intelligent toll booth control system with strong functions and good integration performance is urgent.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, specifically disclosing an intelligence toll booth control system based on RS485 communication, this intelligence toll booth control system simple structure, stability can be good, uses safe and reliable.
In order to achieve the technical purpose, the utility model discloses a realize according to following technical scheme:
intelligence toll booth control system based on RS485 communication, include: the control system comprises control software, a secondary control card connected and communicated with the control software, a main control card connected and communicated with the secondary control card and a door and window control platelet for receiving connection control signals and communicating with an electric door and window controller, wherein the main control card is connected with the secondary control card through a signal line, data signals transmitted by the control software are received and converted into digital signals through a WIFI communication module or a network interface module in the secondary control card, the secondary control card transmits the digital signals to the main control card through the signal line, and the main control card transmits the processed signals to each terminal device and drives each device to output.
As a further improvement of the above technology, the secondary control card includes a processor, a WIFI module connected to the processor, a network interface module, and a smoke sensor module, and the data signal of the control software is transmitted to the WIFI module or the network interface module, processed by the processor, and output by RS485 communication.
As a further improvement of the above technology, the power management module in this embodiment employs power conversion circuits (AC-DC and DC-DC) to convert the received single-phase alternating current into direct current and generate direct current with different voltages as required.
As a further improvement of the above technology, the master control card includes a voltage conversion system or an ac power conversion circuit connected to an external switching power supply, a power protection circuit, and an output port, and the system processes a power signal provided by the external power supply through a voltage conversion chip and a filter in sequence and provides the processed signal to a processor and other devices.
As a further improvement of the technology, a plurality of output ports of the master control card in communication connection with the terminal device RS485 are arranged, one of the ports is used for being in communication connection with the slave control card, and the other output ports are used as standby.
As a further improvement of the above technology, the motor drive of the air curtain comprises an air curtain machine and a motor drive circuit connected with the air curtain machine, the master control card outputs signals through the processor to control the motor drive circuit, the drive circuit comprises a power supply required by the motor drive circuit and a direct current power supply required by the air curtain machine, and the direct current power supply of the air curtain machine is provided by a switching power supply input direct current after passing through the voltage protection circuit.
As a further improvement of the technology, the main control card distributes and conveys power signals to each device after passing through the switch control circuit, the same power signals of the power between each device are independently controlled through the switch MOS tube, and the devices comprise a fresh air system, a leg heating module, an electric door and window, a lighting system, an atomized glass system and the like.
As a further improvement of the technology, the fresh air system, the leg heating module and the lighting system control and output a direct current signal through the main control card and an alternating current power supply signal of the relay control equipment.
As a further improvement of the above technology, the electric door and window is connected and communicated with the door and window control small plate, and the door and window control small plate receives the output signal of the master control card and the electronic access control signal and outputs the signals to the automatic door and window controller after the signals are isolated by the optical coupler and pass through the CPLD control circuit.
As a further improvement of the above technology, the lighting system includes a ceiling lamp, an interior lamp strip and an air curtain lamp strip, the ceiling lamp is controlled by a relay, and the interior lamp strip and the air curtain lamp strip are controlled by a switch circuit to output a direct current power supply.
As a further improvement of the above technology, the atomized glass system controls the output of the alternating current power supply by a switch circuit.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) intelligence toll booth control system based on RS485 communication, it is because master control card passes through RS485 communication and vice accuse card connection communication, vice control card utilizes network interface communication technology or WIFI communication to convert control software's data signal to carrier signal and give master control card through the power cord transmission, receives master control card equipment status signal and vice accuse card fog sensor simultaneously, temperature module, data such as humidity module. Two communication modes of a network interface or WIFI communication are provided between the control software and the secondary control card, so that the control software can be selected by a user, the use is greatly facilitated, the structural design is simplified, and the safety and the stability during use of the product are improved.
(2) The utility model discloses an intelligent toll booth control system based on RS485 communication can control software network communication control equipment, such as automatic doors and windows, lighting system, new trend system, etc., and controllable equipment is various and simple;
(3) intelligence toll booth control system based on RS485 communication, adopted technical isolation such as opto-coupler isolation to keep apart external signal to control system's influence, increase door and window control platelet at automatic door and window control system input simultaneously, reduce the interference of external signal to automatic door and window controller, guaranteed that the system is stable, reliable.
Drawings
The invention will be described in detail with reference to the following drawings and specific embodiments:
fig. 1 is a schematic diagram of an intelligent toll booth control system based on RS485 communication according to the present invention;
FIG. 2 is a schematic block diagram of a middle/auxiliary control card interface according to the present invention;
fig. 3 is an interface diagram of the middle master control card of the present invention;
fig. 4 is the RS485 isolation circuit diagram of the present invention.
Detailed Description
As shown in FIG. 1, the utility model discloses an intelligence toll booth control system based on RS485 communication, include: the control system comprises control software, a secondary control card 20 connected and communicated with the control software, a main control card 10 connected and communicated with the secondary control card 20, and a door and window control platelet for receiving connection control signals and communicating with an electric door and window controller, wherein the main control card 10 is connected with the secondary control card through a signal line, data signals transmitted by the control software are received and converted into digital signals through a WIFI communication module or a network interface module in the secondary control card, the secondary control card transmits the digital signals to the main control card 10 through the signal line, and the main control card 10 transmits the processed signals to each terminal device and drives each terminal device to output.
The auxiliary control card comprises a processor, a WIFI module, a network interface module and a sensor module, wherein the WIFI module, the network interface module and the sensor module are connected with the processor, and data signals of the control software are transmitted to the WIFI module or the network interface module, processed by the processor and output signals through RS485 communication.
As shown in fig. 2, the sensor module of the secondary control card 20 specifically includes a temperature sensor 21, a CO sensor 24, and CO2The sensor 22, the SO2 sensor module 23 and the secondary control card 10 collect the temperature change in the toll booth and display the air quality on the control software for the user to monitor the toll booth in real time through the sensors, and the system has great practical value.
The present invention is directed to a power management module, which uses a power conversion circuit (AC-DC and DC-DC) in this embodiment to convert received single-phase AC power into DC power and generate DC power of different voltages as required.
As shown in fig. 3, the master control card 10 includes a voltage conversion system or an ac power conversion circuit connected to an external switching power supply, a power protection circuit, and an output port, where the system processes a power signal provided by an external power supply through a voltage conversion chip and a filter in sequence and provides the processed signal to a processor and other devices, and a plurality of output ports are provided at the master control card 10 in communication connection with a terminal device RS485, where one of the output ports is used for communication connection with a slave control card, and the other output ports are used as a backup.
As shown in fig. 4, the master control card 10 adds various protective measures in the circuit design, including that the master control card 10 uses optical coupling isolation and RS485 signals for external connection, so as to realize the distinction between the analog ground and the digital ground, better protect the stability and the service life of the circuit board signals, and improve the safety and the use stability of the product.
The door and window control small plate can effectively isolate an external control signal from a driving circuit in the motor through an optocoupler and an FPGB chip in the circuit; all control signal outputs output by the master control card 10 are also isolated by optical couplers, and are distinguished from digital ground and analog ground, so that the interference of external interference signals on the master control card 10 can be effectively reduced. The use of both isolations improves control signal and main control and motor drive's interference killing feature jointly above, improves toll booth master control board 10 and door and window motor life, and this has very big meaning to using outdoor toll booth under the condition that electric wire netting and external environment are not very stable.
The utility model discloses in, the motor drive of air curtain includes the air curtain machine and the motor drive circuit who is connected with the air curtain machine, master control board 10 passes through treater output signal control motor drive circuit, drive circuit includes the required power of motor drive circuit and the required DC power supply of air curtain machine, and the air curtain machine DC power supply is provided behind the voltage protection circuit by switching power supply input direct current.
The utility model discloses in, master control board 10 distributes behind passing through on-off control circuit with signal power and carries for every equipment, the same signal power of power between every equipment passes through switch MOS pipe independent control, equipment includes new trend system, shank heating module, electric door and window, lighting system, atomizing glass system etc..
In the utility model, the fresh air system, the leg heating module and the lighting system all control the output of direct current signals through the main control card 10 and control the equipment through the relay; the electric door and window is connected and communicated with the door and window control small plate, and the door and window control small plate receives signals output by the main control card 10 and signals of the electronic access control signals, and outputs the signals to the automatic door and window controller after the signals pass through the optical coupler isolation and CPLD control circuit.
The lighting system comprises a ceiling lamp, an interior lamp strip and an air curtain lamp strip, the ceiling lamp is controlled by a relay, and the interior lamp strip and the air curtain lamp strip are controlled by a switch circuit to output direct-current power supply; the atomization glass system is controlled by a switch circuit to output an alternating current power supply.
The present invention is not limited to the above embodiments, and various modifications and variations of the present invention are not departed from the spirit and scope of the present invention, and if they fall within the claims and equivalent technical scope of the present invention, the present invention is also meant to include such modifications and variations.
Claims (8)
1. The utility model provides an intelligence toll booth control system based on RS485 communication which characterized in that: the control system comprises control software, a secondary control card connected and communicated with the control software, a main control card connected and communicated with the secondary control card, and a door and window control platelet for receiving a connection control signal and communicating with an electric door and window controller, wherein the main control card is connected with the secondary control card through a signal line, a data signal transmitted by the control software is received and converted into a digital signal through a WIFI communication module or a network interface module in the secondary control card, the secondary control card transmits the digital signal to the main control card through the signal line, and the main control card transmits the processed signal to each terminal device and drives each terminal device to output;
the auxiliary control card comprises a processor, a WIFI module, a network interface module and a smoke sensor module, wherein the WIFI module, the network interface module and the smoke sensor module are connected with the processor, and data signals of the control software are transmitted to the WIFI module or the network interface module, processed by the processor and output signals through RS485 communication;
the master control card comprises a voltage conversion system or an alternating current power supply conversion circuit connected with an external switch power supply, a power supply protection circuit and an output port, and a power supply signal provided by the external switch power supply is processed by a voltage conversion chip and a filter in sequence and is provided for a processor and terminal equipment.
2. The intelligent toll booth control system based on RS485 communication of claim 1, wherein: and a plurality of output ports of the master control card in communication connection with the terminal equipment RS485 are arranged, and each output port comprises a port used for being in communication connection with the slave control card and a plurality of standby ports.
3. The intelligent toll booth control system based on RS485 communication of claim 1, wherein: the main control card distributes and transmits power signals to each terminal device after passing through the switch control circuit, and the same power signals of the power between each device are independently controlled through the switch MOS tube.
4. The intelligent toll booth control system based on RS485 communication of claim 1, wherein: the terminal equipment comprises a fresh air system, a leg heating module, an electric door and window, an illuminating system or an atomized glass system.
5. The RS485 communication based intelligent toll booth control system of claim 4, wherein: the fresh air system or the leg heating module or the lighting system is controlled by the master control card to output an alternating current power supply signal of a direct current signal passing through the relay control equipment.
6. The RS485 communication based intelligent toll booth control system of claim 4, wherein: the electric door and window is connected and communicated with the door and window control small plate, and the door and window control small plate receives signals such as a main control card output signal and an electronic access control signal and outputs the signals to the automatic door and window controller after the signals pass through the optical coupler isolation and CPLD control circuit.
7. The RS485 communication based intelligent toll booth control system of claim 5, wherein: the lighting system comprises a ceiling lamp, an interior lamp strip and an air curtain lamp strip, the ceiling lamp is controlled by a relay, and the interior lamp strip and the air curtain lamp strip are output by a direct-current power supply controlled by a switch circuit.
8. The RS485 communication based intelligent toll booth control system of claim 4, wherein: the atomization glass system is controlled by a switch circuit to output an alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021384.3U CN210348229U (en) | 2019-01-07 | 2019-01-07 | Intelligent toll booth control system based on RS485 communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920021384.3U CN210348229U (en) | 2019-01-07 | 2019-01-07 | Intelligent toll booth control system based on RS485 communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210348229U true CN210348229U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920021384.3U Active CN210348229U (en) | 2019-01-07 | 2019-01-07 | Intelligent toll booth control system based on RS485 communication |
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| Country | Link |
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| CN (1) | CN210348229U (en) |
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- 2019-01-07 CN CN201920021384.3U patent/CN210348229U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Intelligent toll booth control system based on RS485 communication Effective date of registration: 20210915 Granted publication date: 20200417 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU INFOHAND TECHNOLOGY Co.,Ltd. Registration number: Y2021980009350 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220901 Granted publication date: 20200417 Pledgee: Zhujiang Branch of Guangzhou Bank Co.,Ltd. Pledgor: GUANGZHOU INFOHAND TECHNOLOGY Co.,Ltd. Registration number: Y2021980009350 |