CN213122642U - Remote operation and maintenance control system for high-speed toll station - Google Patents
Remote operation and maintenance control system for high-speed toll station Download PDFInfo
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- CN213122642U CN213122642U CN202020750090.7U CN202020750090U CN213122642U CN 213122642 U CN213122642 U CN 213122642U CN 202020750090 U CN202020750090 U CN 202020750090U CN 213122642 U CN213122642 U CN 213122642U
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Abstract
The utility model discloses a long-range fortune dimension control system of high-speed toll station, including liquid crystal display module, LED & keying circuit, signal switching circuit, voltage current detection circuitry, power supply circuit, wireless communication module and central processing circuit, signal switching circuit installs on the backplate, will install in the outside air conditioner signal of controller, UPS signal, temperature and humidity sensor signal, smoke transducer signal, water sensor signal, electromagnetism lock signal, door magnetic sensor signal, the utility model provides a long-range fortune dimension control system of high-speed toll station gathers the information of rack environment, in-cabinet equipment information, the information of the equipment outside the cabinet to show and adjust on liquid crystal display in real time. The equipment operation condition of the cabinet workstation is remotely observed through the communication between the network and the monitoring center, and the operation and maintenance level is improved.
Description
Technical Field
The utility model relates to an intelligent control field specifically is a long-range fortune dimension control system of high-speed toll station.
Background
Currently, a new generation of highway ETC charging system is gradually expanding across the country, and various kinds of field information, remote control and communication are collected by a novel cabinet and a novel remote operation maintenance intelligent controller, so that problems are quickly found.
The cabinet detection controller in the prior art is not provided with a liquid crystal display unit, so that the field operation and query are inconvenient; and the wireless communication unit is not arranged, so that when the wired network is disconnected, the monitoring center cannot acquire field information and cannot acquire the running condition of the field equipment of the user.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a long-range fortune dimension control system of high-speed toll station to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a remote operation and maintenance control system of a high-speed toll station comprises a liquid crystal display module, an LED & key circuit, a signal switching circuit, a voltage and current detection circuit, a power supply circuit, a wireless communication module and a central processing circuit, wherein the signal switching circuit is arranged on a back plate and converts an air conditioner signal, a UPS signal, a temperature and humidity sensor signal, a smoke sensor signal, a water sensor signal, an electromagnetic door lock signal and a door magnetic sensor signal which are arranged outside a controller into connectors in other forms by input connectors, the connectors are connected to a main control board and a sensor board, the central processing circuit is arranged on the main control board and comprises a network communication circuit, a storage circuit, a USB communication circuit, a serial communication circuit, an ARM processor circuit, an isolation input and output circuit and a voltage and current processing circuit, the wireless communication module comprises an EC20 module circuit and a 4G antenna, and is connected with the main control board through double rows of pins.
As a further aspect of the present invention: the central processing unit adopts an ARM chip STM32F429IG, a main frequency 180MHz, a COTEX-M4 core, a built-in network controller and a USB driver.
As a further aspect of the present invention: the central processing circuit adopts ARM chips STM32F429IG, 1MB FLASHROM, 256KB SRAM and main frequency 180MHz, wherein the network communication circuit comprises an interface chip DP83848 and an RJ45 network interface HR911102A, the storage circuit comprises an M29W128GL NOR FALSHROM memory and 128Mbit, the USB communication circuit comprises a TPS2051 power management chip and an A-type USB interface, the serial communication circuit comprises an IB0505S-2W isolation power supply and an ADM2483, the isolation input and output circuit comprises a TPS385 optical coupling isolation state quantity input module and a G5 LM 5V-2-DC12V relay for controlling signal isolation output module, and the voltage and current processing circuit comprises a 358 chip and +/-12V power supply.
As a further aspect of the present invention: the voltage and current detection circuit comprises 4 paths of alternating current detection and 4 paths of alternating voltage detection, and signals are acquired through a current transformer TR2150-1C with a 20A range and a 220V/3.53V voltage converter TR 1176-3C.
As a further aspect of the present invention: the liquid crystal display module is a Chinese character display screen, is fixed on the bracket, has a 128X32 dot matrix, has a blue backlight, and comprises a reset key, an inquiry key, a left shift key, a right shift key, an increase key, a decrease key and a confirm key.
As a further aspect of the present invention: the power circuit is an analog power supply and adopts 12-24V input.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a long-range fortune dimension control system of high-speed toll station gathers the information of information, the interior equipment information of cabinet, the outer equipment of cabinet of rack environment to show and adjust on liquid crystal display in real time. The equipment operation condition of the cabinet workstation is remotely observed through the communication between the network and the monitoring center, and the operation and maintenance level is improved.
Drawings
Fig. 1 is the utility model discloses a cabinet remote operation maintains intelligent control's structural schematic.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: referring to fig. 1, in an embodiment of the present invention, a remote operation and maintenance control system for a high-speed toll station includes a liquid crystal display module, an LED & key circuit, a signal switching circuit, a voltage and current detection circuit, a power circuit, a wireless communication module, and a central processing circuit.
The signal switching circuit is arranged on the back plate, and converts an air conditioner signal, a UPS signal, a temperature and humidity sensor signal, a smoke sensor signal, a water sensor signal, an electromagnetic door lock signal and a door magnetic sensor signal which are arranged outside the controller, a 6-path relay output signal and a 4-path contact input signal into connectors in other forms through the input connectors, and the connectors are connected to the main control board and the sensor board.
The central processing circuit is arranged on the main control board and comprises a network communication circuit, a storage circuit, a USB communication circuit, a serial communication circuit, an ARM processor circuit, an isolation input and output circuit and a voltage and current processing circuit, and the central processing circuit is used for finishing signal detection processing, data storage and data transmission.
The liquid crystal display module is a Chinese display screen and is fixed on the bracket for installation. The LED & key circuit is arranged on the front panel and completes the operation and display of the controller together with the liquid crystal display module.
The voltage and current detection circuit is arranged on the voltage and current sensor board to complete the conversion of the voltage and current signals.
The power circuit is arranged on the main control board and provides 12V, 5V, 3.3V and-12V signals for each module circuit.
The wireless communication module is arranged on a 4G wireless communication board, contains an EC20 module circuit and a 4G antenna, is connected with the main control board through double rows of contact pins and communicates in a serial port mode.
The central processing circuit adopts ARM chips STM32F429IG, 1MB FLASHROM and 256KB SRAM, has 180MHz main frequency, contains various resources, and has strong signal processing capability.
The network communication circuit comprises an interface chip DP83848 and an RJ45 network interface HR911102A, and transmits signals such as 4 paths of voltage signals, 4 paths of current signals, air conditioner voltage/current/return air temperature/air supply temperature/working state, UPS voltage/current/residual capacity/working state, temperature, humidity, front and rear door magnetic states, front and rear door lock states, smoke states, water immersion states and the like to a monitoring center, and the monitoring center can execute door opening actions through a network.
The memory circuit comprises M29W128GL NOR FALSHROM memory, 128Mbit, and is used for storing historical information, facilitating the analysis of accident causes and leading out information through a U disk.
The USB communication circuit comprises a TPS2051 power supply management chip and an A-type USB interface and is used for updating a controller program and downloading historical information.
The serial communication circuit comprises an IB0505S-2W isolation power supply and an ADM2483, air conditioner data, UPS data and temperature and humidity sensor data are collected through an RS485 bus, and controller parameters can be set or sampling data can be read through a serial port.
The isolation input and output circuit comprises a TPS385 optical coupling isolation state quantity input and a G5V-2-DC12V relay for carrying out control signal isolation output.
The voltage and current processing circuit comprises an LM358 chip, supplies power by +/-12V and completes the conversion from alternating current to direct current of the voltage and current small signal.
The voltage and current detection circuit can detect 4 paths of alternating current and 4 paths of alternating voltage, and the induced alternating current signals and the induced alternating voltage signals are converted into direct current voltage signals through the voltage and current processing circuit through the precision current transformer TR2150-1C with the range of 20A and the precision voltage converter TR1176-3C with the range of 220V/3.53V, and the direct current signals and the direct current voltage signals are converted into digital signals after AD conversion.
The signal switching circuit is arranged on the back plate, bundles external state signals/digital signals/analog signals into flat cables, and is connected with the main control board through a bull head socket.
The LED & key circuit is arranged on the front panel, the liquid crystal display module is a Chinese character display screen and is fixed on the bracket, a 128X32 dot matrix, a blue backlight, alarm information, setting information, measurement information and debugging information are visually displayed on the liquid crystal in a Chinese character mode, and the button unit is used for adjusting setting parameters and switching a display mode and comprises a reset key, an inquiry key, a left shift key, a right shift key, an increase key, a decrease key and a confirmation key. Pressing an inquiry key to switch the display mode to a parameter inquiry mode; pressing a confirmation key, switching to a setting mode when in the query mode, and confirming set data when in the setting mode; pressing a left shift key, switching to a debugging mode in the query mode, and shifting a cursor to the left in the setting mode; pressing a right shift key, switching to an alarm mode in the query mode, and shifting a cursor to the right in the setting mode; pressing an increase key, displaying a last parameter in the query mode, and increasing the numerical value in the setting mode; pressing the decrease key displays the next parameter in the query mode and decreases the numerical value in the setup mode. The LED display lamps are divided into two groups, namely two rows, and each row is provided with 4 LED display lamps. The left column is a red light, and the power indicator light, the alarm indicator light, the output 1 indicator light and the output 2 indicator light are arranged from top to bottom respectively. The right column is a green light, and the operation indicator light, the input 1 indicator light, the input 2 indicator light and the input 3 indicator light are respectively arranged from top to bottom.
The wireless communication module is arranged on the 4G wireless communication board, is in data communication with the monitoring center when the wired network is disconnected, is connected with the main control board through the double rows of contact pins, and is in data communication with the central processing circuit of the main control board through the serial port.
The power circuit has 12-24V input and is an analog power supply, so that small ripples exist, and the precision of the sampling circuit is improved.
Each functional circuit board is arranged at a corresponding position in the controller case according to requirements. The front panel, the back panel main control board, the voltage and current sensor board, the inter-board connecting line and the 4G wireless communication board are sequentially installed.
The backplane completes the physical switching of the signals. The intelligent control system is connected with an external air conditioner, a UPS, a temperature and humidity sensor, a smoke sensor, a water immersion sensor, a front door lock drive and state detection device, a rear door lock drive and state detection device, a front door magnetic sensor, a rear door magnetic sensor and a current transformer through a 3.81mm connector, is connected with a 220VAC signal of an external alternating voltage detection point through a 5.08mm-8P connector, and is connected with an external 24V switching power supply through a 5.08mm-2P connector. 24V power signal is connected to the main control board through 3.96mm connector, and current transformer's inductive signal and alternating voltage signal are connected to voltage current sensor board through 3.96mm connector, and other low-voltage undercurrent signals are tied a bundle on backplate 3 and are connected to the main control board for flat winding displacement ox head socket.
The voltage and current sensor board comprises 4 voltage transformers, 4 paths of 6 sampling power resistors connected in parallel with 150 omega 1W, converts voltage and current into alternating current low-voltage signals, and is connected to the main control board through a 16-core flat cable and a bull socket.
The main control board is provided with a central processing circuit, completes the sampling, conversion, transmission, storage and output control of signals, and is the core of the controller.
The low-voltage sine wave signals from the voltage and current sensor plate are converted into 0-3V direct current signals through the voltage and current processing circuit, the ARM processor carries out AD conversion, the conversion value is multiplied by the conversion ratio to obtain a numerical value which is equal to the actual voltage and current, the numerical value is displayed on the liquid crystal module and is transmitted to the monitoring center through the network communication circuit/4G wireless communication module to be displayed.
Furthermore, the voltage/current/return air temperature/supply air temperature/working state of the air conditioner, the voltage/current/residual electric quantity/working state of the UPS and the temperature/humidity of the temperature and humidity sensor are read through an RS485 bus of the serial communication circuit, and the parameter values are displayed on the liquid crystal module and transmitted to the monitoring center through the network communication circuit/4G wireless communication module to be displayed.
The state signals of the smoke sensor, the state signals of the water sensor, the state signals of the door lock and the state signals of the door magnet are obtained through the optical coupler of the isolation input and output circuit, and the state quantities are displayed on the liquid crystal module and transmitted to the monitoring center through the network communication circuit/4G wireless communication module to be displayed.
And the local/remote opening of the front door lock and the rear door lock is controlled by a relay of the isolated input/output circuit.
The 4G wireless signal communication board is connected with the main control board through double rows of contact pins, and transmission of data to the monitoring center is automatically started through the RS232 serial port bus under the condition that a wired network is disconnected.
Example 2: on the basis of the embodiment 1, the front panel is connected with the ox head socket and the main control panel through flat cables, local operation is carried out through a key circuit, the current state of the controller is displayed through an LED, and when the power supply of the controller is normal, the power lamp is directly on; when an alarm is given, the alarm lamp is on.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A remote operation and maintenance control system of a high-speed toll station comprises a liquid crystal display module, an LED & key circuit, a signal switching circuit, a voltage and current detection circuit, a power supply circuit, a wireless communication module and a central processing circuit, and is characterized in that the signal switching circuit is arranged on a back plate, and is used for connecting an air conditioner signal, a UPS signal, a temperature and humidity sensor signal, a smoke sensor signal, a water sensor signal, an electromagnetic door lock signal and a door magnetic sensor signal which are arranged outside a controller, 6 paths of relay output signals and 4 paths of contact input signals to a main control plate and a sensor plate, the central processing circuit is arranged on the main control plate and comprises a network communication circuit, a storage circuit, a USB communication circuit, a serial communication circuit, an ARM processor circuit, an isolation input and output circuit and a voltage and current processing circuit, the wireless communication module comprises an EC20 module circuit and a 4G antenna, is connected with the main control board through double rows of contact pins.
2. The remote operation and maintenance control system of the high-speed toll station according to claim 1, wherein the liquid crystal display module is a Chinese display screen fixed on a bracket, and the LED & key circuit is arranged on a front panel.
3. The remote operation and maintenance control system of the high-speed toll station according to claim 2, wherein the central processing circuit adopts ARM chips STM32F429IG, 1MB FLASHROM, 256KB SRAM and main frequency 180MHz, wherein the network communication circuit comprises an interface chip DP83848 and RJ45 network interface HR911102A, the storage circuit comprises M29W128GL NOR FALSHROM memory and 128Mbit, the USB communication circuit comprises a TPS2051 power management chip and an A-type USB interface, the serial communication circuit comprises IB0505S-2W isolation power supply and ADM2483, the isolation input and output circuit comprises a TPS385 optical coupling isolation state quantity input module and a G5V-2-DC12V relay control signal isolation output module, and the voltage and current processing circuit comprises an LM chip and +/-12V power supply.
4. The remote operation and maintenance control system of the high-speed toll station according to claim 1, wherein the voltage and current detection circuit comprises 4 paths of alternating current detection and 4 paths of alternating voltage detection, and signals are acquired through a current transformer TR2150-1C with 20A range and a 220V/3.53V voltage converter TR 1176-3C.
5. The remote operation and maintenance control system for the high-speed toll station according to claim 4, wherein the power circuit is an analog power supply and adopts 12-24V input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020750090.7U CN213122642U (en) | 2020-05-09 | 2020-05-09 | Remote operation and maintenance control system for high-speed toll station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020750090.7U CN213122642U (en) | 2020-05-09 | 2020-05-09 | Remote operation and maintenance control system for high-speed toll station |
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| CN213122642U true CN213122642U (en) | 2021-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252441A (en) * | 2021-12-20 | 2022-03-29 | 成都工业学院 | Circuit system of digital turbidity meter |
| CN114511986A (en) * | 2021-12-30 | 2022-05-17 | 南京泰通科技股份有限公司 | Built-in ring motion monitoring module of GSM-R repeater |
-
2020
- 2020-05-09 CN CN202020750090.7U patent/CN213122642U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252441A (en) * | 2021-12-20 | 2022-03-29 | 成都工业学院 | Circuit system of digital turbidity meter |
| CN114511986A (en) * | 2021-12-30 | 2022-05-17 | 南京泰通科技股份有限公司 | Built-in ring motion monitoring module of GSM-R repeater |
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