Split type road indicating device

Abstract

The utility model discloses a split type road indicating device, which comprises a display part, a central control part and a support, and relates to the technical field of signs, the central control part is arranged on the ground, the display part is arranged on the support, the display part comprises an indicator and an indicator connecting line, and the indicator connecting line is connected with the central control part. The central control part comprises a centralized controller and a controller connecting line, the indicator connecting line is respectively connected with the indicator and the centralized controller through the bracket, and the controller connecting line is connected with the centralized controller. A display part and a central control part of the indicating device on the expressway are disassembled into two parts, and most of the parts about a control unit are arranged in the central control part and are arranged on one side of the expressway. When the central control part fails and cannot work normally, due to the fact that the central control part is located at the highway end, maintenance is relatively convenient, the maintenance cost is reduced, meanwhile, the multiple road indicating devices can be compatibly controlled through the central control part of the road test in the case of emergencies, and the environment compatibility and the use value of the split type road indicating device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of signboards, in particular to a split road indication device. Background Art

[0002] Highway traffic signs are a type of sign that refers to signs used to maintain highway traffic order. Due to the special road conditions of highway traffic, existing highway traffic signs usually hang the road sign's indicator device above the road through a bracket for road guidance. In order to reduce the amount of installation work, the display part and the central control part of the device are mostly suspended on the bracket at the same time. However, due to the characteristics of the open-air road environment, the control part, which is relatively large in electronic equipment, has a high failure rate. At this time, repairing the central control part requires going to the exact location of the road and climbing the bracket for maintenance, which has high manpower and material costs. At the same time, once a problem occurs, normal road guidance cannot be carried out, which will directly affect the traffic order of the highway. Therefore, there is an urgent need for a road indication device that is easy to maintain and convenient.

[0003] Chinese patent document CN108643073A discloses a "traffic sign". It includes a column, a base is fixedly installed at the bottom of the column, a through groove is provided on the upper surface of the column, a moving rod is arranged inside the through groove, one end of the moving rod passes through the column and extends to the inside of the column, one end of the moving rod located inside the column is fixedly connected to a moving sleeve rod, both sides of the inner wall of the column are provided with slide grooves, both ends of the moving sleeve rod are fixedly connected to sliders, the slide groove is slidably connected to the moving sleeve rod through the slider, a suspension rope is arranged at the bottom of the moving rod, both sides of the inner wall of the column are fixedly installed with a motor, the motor is connected to a driving wheel through a rotating shaft provided at one end, a mounting seat is fixedly installed on the surface of the motor, a driving wheel is arranged on the upper side of the mounting seat, the driving wheel is hinged to the mounting seat through the intermediate shafts provided on both sides, and the driving wheel The top of the moving rod is connected to the driving wheel through a belt, and an electric push rod and a fixed seat are fixedly installed respectively. A solar panel is arranged on the upper side of the moving rod, and the end of the electric push rod away from the moving rod is fixedly connected to the lower surface of the solar panel. The fixed seat is hinged to the bottom end of the solar panel through a rotating shaft arranged on one side thereof. Support members are fixedly installed on both sides of the column, and a connecting bracket is arranged on the surface of the support member. The support member is fixedly connected to a fixing frame through the connecting bracket. A cover plate is arranged on the upper surface of the fixing frame, and a display panel is arranged inside the fixing frame. Guide rails are fixedly installed on both sides of the inner wall of the fixing frame, and a slider is arranged on the surface of the guide rail, and the guide rail is slidably connected to the display panel through the slider, and an inclined support portion is arranged on the lower side of the guide rail. However, the central control part of the control circuit involved in the patent is arranged at a relatively high position, which is not convenient for subsequent processing and maintenance. Summary of the invention

[0004] The utility model mainly solves the technical problem of high difficulty in repairing the original highway traffic indicators, and provides a split road indicator device. This patent separates the central control part and the display part of the road indicator device from each other. Since the central control part is prone to damage during the use of the traffic indicator, this patent arranges the central control part on the ground end to facilitate the maintenance of the central control part.

[0005] The above-mentioned technical problems of the present invention are mainly solved by the following technical solutions: the present invention includes a display part, a central control part and a bracket, the central control part is arranged on the ground, the display part is arranged on the bracket, the display part includes an indicator and an indicator connecting line, the central control part includes a centralized controller and a controller connecting line, the indicator connecting line is respectively connected to the indicator and the centralized controller through the bracket, and the controller connecting line is connected to the centralized controller.

[0006] Preferably, the centralized controller includes an input module, an arbitration processing unit and an output unit, an ambient brightness acquisition unit and a brightness adjustment unit are provided between the arbitration processing unit and the output unit, the ambient brightness acquisition unit is respectively connected to the arbitration processing unit and the brightness adjustment unit, and the brightness adjustment unit is also connected to the output unit.

[0007] Preferably, the centralized controller is further provided with a relay feedback unit, which includes a plurality of switch starting circuits, the switch starting circuits include a plurality of first starting parts and second starting parts, the first starting part includes a transistor, the collector of the transistor is connected to the second starting part, the base is connected to the second starting part through a resistor, and the emitter is respectively connected to the resistor and the ground.

[0008] Preferably, the second starting part includes a power supply end, the power supply end is connected to a switch through a diode and a resistor respectively, the power supply end is connected to the first starting part through a diode, the several first starting parts are connected in parallel, and the several second starting parts are connected in parallel.

[0009] Preferably, a fault detection unit is provided between the arbitration unit and the output unit, the fault detection unit is connected to the output unit, and both the fault detection unit and the output unit are provided with an interface circuit connected in parallel with each other, and the interface circuit of the fault detection unit is grounded through a resistor and a capacitor.

[0010] Preferably, the brightness acquisition unit includes a chip U18, pins 1 and 2 of the chip U18 are connected in parallel to ground via a resistor and a capacitor, pin 3 is grounded via a capacitor, pin 6 is connected to a socket via a resistor, and pin 7 is grounded via a resistor and a capacitor.

[0011] Preferably, the centralized controller further comprises an isolation unit, and the isolation unit is arranged between the input module and the arbitration processing unit.

[0012] Preferably, the connection between the indicator and the indicator connector and the connection between the indicator and the centralized controller are both provided with an input module, the input module includes an AC input unit and a DC input unit, the AC input unit includes a number of AC starting branches connected in parallel, any AC starting branch includes a linear optocoupler Q, the linear optocoupler Q foot 1 passes through a rectifier diode, a resistor and a diode in sequence, the linear optocoupler Q foot 1 is also connected in series with foot 2 through a diode, the DC input unit includes a number of DC starting branches, the DC starting branch includes a linear optocoupler O, the linear optocoupler foot 1 passes through a resistor and a diode respectively, and the linear optocoupler foot 2 is connected in parallel with foot 1.

[0013] The beneficial effect of the utility model is that the patent disassembles the display part and the central control part of the indicator device on the highway into two parts, and sets most of the control unit part in the central control part and sets it on the side of the road. When the central control part fails and cannot work normally, since the central control part is located at the end of the highway, maintenance is relatively convenient, reducing maintenance costs. At the same time, in the face of emergencies, the central control part of the road test can be compatible with multiple road indicator devices, improving the environmental compatibility and use value of the split road indicator device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of a split road indicator of the utility model.

[0015] Figure 2 It is a functional connection diagram of a central control part of the utility model.

[0016] Figure 3 The utility model is a circuit structure diagram of a brightness collection unit.

[0017] Figure 4 The utility model is a circuit structure diagram of a fault detection unit and an output unit.

[0018] Figure 5 The utility model is a circuit structure diagram of a relay feedback unit.

[0019] Figure 6 The utility model is a circuit structure diagram of an input module.

[0020] In the figure, 1. indicator, 2. indicator connecting line, 3. centralized controller, 4. controller connecting line. DETAILED DESCRIPTION

[0021] The technical solution of the utility model is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0022] Embodiment: In this embodiment, a split road indicator device is used. In order to ensure the normal operation of highway traffic, the road indicator device on the lane needs to be hoisted on the highway when it is actually used. Most of the existing road indicators are divided into a display part and a control part. The central control part needs to control and process the entire road indicator. Therefore, a large number of electronic components are arranged in this part to support the normal control operation of the entire part. The main environment of the highway is exposed to the open air. The probability of failure of the electronic components in continuous operation in this environment is relatively high. At the same time, the safety and real-time performance of highway traffic are more important than those of conventional roads. Therefore, when the road indicator fails, it needs to be repaired as soon as possible. However, most of the hardware devices of the existing indicators are all set on a hangable bracket. If the road indicator fails, in order to ensure the safety of the maintenance personnel and the safety of the road conditions, it is necessary to temporarily close the section of the highway and use a climbing vehicle or other methods for maintenance, which requires a lot of time and labor costs. The split road indicator device in this embodiment includes an indicator and a centralized controller. The indicator only includes a PCB board, an LED lamp and a small amount of resistors. The power module and the related control processing unit are all placed in the centralized controller on the road side. The centralized controller is placed on the side of the highway, which is easy to repair and replace. The centralized controller placed on the roadside can adapt to the customer's various control methods and convert them into control signals for the split road indicators. Because the highway has multiple lanes, it is necessary to install multiple lane indicators at one point, so placing a centralized controller is easier to use than traditional lane indicators. Figure 1 and Figure 2 As shown, in this embodiment, a split road indication device is designed, including a display part and a central control part. The display part is arranged on a bracket, and the bracket is installed on one side of the road. The central control part is arranged on the road on the side where the bracket is installed, and the central control part is connected to the display part through an indicator connection line. When the road display device fails and needs to be repaired or multiple temporary road indication devices need to be integrated and set up in the surrounding area, the relevant staff will connect the central control part of the road test through the controller connection line to the surrounding roads or the temporary road indicators.

[0023] The centralized controller includes an input module, an arbitration processing unit and an output unit. An ambient brightness acquisition unit and a brightness adjustment unit are arranged between the arbitration processing unit and the output unit. The ambient brightness acquisition unit is connected to the arbitration processing unit and the brightness adjustment unit respectively, and the brightness adjustment unit is also connected to the output unit. The centralized controller also includes an isolation unit, which is arranged between the input module and the arbitration processing unit. In this embodiment, the road indication device is arranged on the highway in a split structure. The display part is arranged above the road through a bracket, and displays relevant signals to guide vehicles to pass on the road in an orderly manner. The central control part arranged on one side of the road is connected to the display part through an indicator connection line. Although the central control part and the display part are connected through the indicator connection line, the central control part and the display part are separated by an isolation module at the electrical level. Various types of processing units are arranged in the central control part. During normal operation, it may cause large circuit fluctuations due to its own circuit path state or the external environment. If the display part is directly connected to the central control part, the display part will also be affected by the circuit fluctuations, thereby causing damage to the electronic components of the display part. During the normal operation of the display part, circuit fluctuations will also affect the central control part. Therefore, an isolation module is added between the display part and the central control part. The isolation module can electrically isolate the two parts on the basis of ensuring normal connection and control of the display part and the central control part. The isolation module can fully ensure that circuit fluctuations between the two parts will not be transmitted to each other, thereby improving the stability of the operation of the display part and the central control part, reducing the damage frequency of the display part and the central control part, and thus extending the service life of the equipment. At the same time, a longer normal working state can also reduce the frequency of maintenance, and a lower maintenance frequency can also reduce labor and material costs.

[0024] like Figure 3As shown, the brightness acquisition unit includes a chip U18, pins 1 and 2 of the chip U18 are connected in parallel to ground through a resistor and a capacitor, pin 3 is grounded through a capacitor, pin 6 is connected to a socket through a resistor, and pin 7 is grounded through a resistor and a capacitor. In this embodiment, the road indication device is mostly set in an open road environment. Affected by the season and day and night, the light intensity of the environment in which the indication device is located varies greatly. In summer or daytime environments, the light brightness of the external environment is strong, while at night, in winter or in bad weather, the external environment is generally darker. Therefore, in order to cope with changes in environmental brightness and improve the adaptability of the indication device to various brightness environments, a brightness acquisition unit is provided in the central control part in this embodiment. The brightness acquisition unit collects the brightness of the external environment in real time, confirms the brightness of the road environment during the period after multiple collection and calibration, and feeds back the collection results to the central control part. The brightness adjustment unit in the central control part adjusts the brightness intensity according to the feedback of the environmental brightness state and the display part of the road indication device when it is working. When the ambient brightness is high, the display brightness of the display part is appropriately increased to ensure that vehicles on the road can accurately identify the indication content on the display part; when the ambient brightness is low, the display brightness of the display part is appropriately reduced to ensure normal indication while reducing power loss and achieving energy saving. Figure 4 As shown, a fault detection unit is also provided between the arbitration unit and the output unit, the fault detection unit is connected to the output unit, and both the fault detection unit and the output unit are provided with an interface circuit connected in parallel with each other, and the interface circuit of the fault detection unit is grounded through a resistor and a capacitor. When the road indication device is continuously working on the road in an open-air environment, it is inevitable that the device components will be damaged. If it only relies on maintenance personnel to go to the site to conduct on-site maintenance and confirmation of the problem, the maintenance personnel need to carry more maintenance equipment, which increases the maintenance time and maintenance cost. In this embodiment, a fault detection unit is set to detect the working status of each electronic component in the road indication device in real time and in a loop. When the fault detection unit detects that a component has a fault, if the fault does not affect the daily operation of the indication device, the fault detection unit will record the fault in the form of a log. During the maintenance process of the split-type road indication device in the same area, the maintenance personnel will perform the same troubleshooting and maintenance based on the log; if the fault affects the daily operation of the indication device, the fault detection unit will upload the detected equipment fault information and the part where the fault occurred to the maintenance personnel's background. The maintenance personnel will prepare corresponding maintenance equipment according to the cause of the fault and go to the designated split indication device location where the fault occurred. This can not only reduce the material and manpower costs of the maintenance equipment, but also improve the maintenance efficiency, reduce the failure time of the road indication device, restore normal operation as soon as possible, reduce the impact on road traffic, and ensure the normal operation of road traffic.

[0025] like Figure 5A centralized controller in the embodiment shown is also provided with a relay feedback unit, the relay feedback unit includes a plurality of switch start circuits, the switch start circuit includes a plurality of first start parts and a second start part, the first start part includes a transistor, the collector of the transistor is connected to the second start part, the base is connected to the second start part through a resistor, and the emitter is connected to the resistor and the ground respectively. The second start part includes a power supply end, the power supply end is connected to the switch through a diode and a resistor respectively, the power supply end is connected to the first start part through a diode, the plurality of first start parts are connected in parallel, and the plurality of second start parts are connected in parallel. At the circuit level, after processing the corresponding information, each unit of the central control part transmits various control signals to the display part through the arbitration unit, and each part of the display part makes corresponding adjustments after receiving the corresponding control signals; at the physical device level, after the central control part sends corresponding control signals to each working element of the display part, it needs to be switched through the relay feedback unit. There are several switch start circuits in the relay feedback compound, and each switch start circuit is connected to each working element in the display part. When the arbitration unit transmits the signal to the switch start circuit, the switch start circuit will make corresponding response to control the adjustment of the working element. All working elements are adjusted by the corresponding switch start circuit to finally achieve the effect of adjusting the entire display part to the central control part.

[0026] like Figure 6 As shown, the indicator and the connecting part of the indicator and the connecting part of the indicator and the centralized controller of this embodiment are both provided with input modules, the input modules include an AC input unit and a DC input unit, the AC input unit includes a number of AC starting branches in parallel, any AC starting branch includes a linear optocoupler Q, the linear optocoupler Q pin 1 passes through a rectifier diode, a resistor and a diode in sequence, the linear optocoupler Q pin 1 is also connected in series with pin 2 through a diode, the DC input unit includes a number of DC starting branches, the DC starting branch includes a linear optocoupler O, the linear optocoupler's pin 1 passes through a resistor and a diode respectively, and the linear optocoupler's pin 2 is connected in parallel with pin 1. Before the central control part adjusts the display part, it is necessary to confirm the specific execution parameters of the display part in the split indicating device in the current state, so after the operating parameters of each part of the entire display module are counted, they are transmitted to the central control part through the input module, so that the central control part can be adjusted according to the actual state of the display part. At the same time, there are differences in the number and format of parameters of each working component in the display part. In order to facilitate distinction and fixed-point control, the input module distinguishes the working components in the display part according to the differences in the properties of the working components, and splits them into several input units. The parameters of different working components are transmitted to the central control part through the corresponding input units, thereby improving the accuracy of the central control part in obtaining parameters and thus improving the efficiency of adjustment.

[0027] In this embodiment, the centralized controller includes a variety of input nodes and isolation units, arbitration processing units, brightness collection units, relay feedback units, and control signal output units. Among them, the AC input unit and the DC input unit are used for the centralized controller to convert AC power to DC power supply; the input unit is used to receive the user's control signal. Because the specific applications are different, the electrical performance of the control signal provided by the customer is different, and the device can be applied to a variety of different control methods; the isolation unit is used to isolate the electrical signal to realize the functions of EMI protection such as lightning surge protection; the arbitration processing unit is used to convert the customer's input into an output control signal according to the specific application; the brightness collection unit collects the ambient light brightness and gives it to the MCU arbitration processing unit for controlling the screen brightness; the brightness adjustment unit is used for the user to manually fine-tune the brightness of the device on site; the relay feedback unit is used to feedback the display status of the current device to the user, or control other devices on site; the fault detection unit is used to detect the status of the split lane indicator, such as overcurrent, short circuit and open circuit faults; the control signal output unit is used to control the split lane indicator. The split road indication device in this embodiment can not only alleviate the maintenance cost during maintenance, but also can deal with some road conditions in an emergency.

Claims

1. A split road indication device, characterized in that: It includes a display part, a central control part and a bracket, the central control part is set on the ground, the display part is set on the bracket, the display part includes an indicator and an indicator connecting line, the central control part includes a centralized controller and a controller connecting line, the indicator connecting line is connected to the indicator and the centralized controller respectively through the bracket, and the controller connecting line is connected to the centralized controller.

2. A split road indication device according to claim 1, characterized in that: The centralized controller includes an input module, an arbitration processing unit and an output unit. An ambient brightness acquisition unit and a brightness adjustment unit are arranged between the arbitration processing unit and the output unit. The ambient brightness acquisition unit is connected to the arbitration processing unit and the brightness adjustment unit respectively. The brightness adjustment unit is also connected to the output unit.

3. A split road indication device according to claim 2, characterized in that: The centralized controller is also provided with a relay feedback unit, which includes a plurality of switch starting circuits, and the switch starting circuit includes a plurality of first starting parts and second starting parts. The first starting part includes a transistor, the collector of the transistor is connected to the second starting part, the base is connected to the second starting part through a resistor, and the emitter is respectively connected to the resistor and the ground.

4. A split road indication device according to claim 3, characterized in that: The second starting part includes a power supply end, the power supply end is connected to the switch through a diode and a resistor respectively, the power supply end is connected to the first starting part through a diode, and the plurality of first starting parts are connected in parallel. The plurality of second starting parts are connected in parallel.

5. A split road indication device according to claim 2, characterized in that: A fault detection unit is also provided between the arbitration processing unit and the output unit. The fault detection unit is connected to the output unit. Both the fault detection unit and the output unit are provided with an interface circuit connected in parallel with each other. The interface circuit of the fault detection unit is grounded through a resistor and a capacitor.

6. A split road indication device according to claim 2, characterized in that: The brightness acquisition unit includes a chip U18, pins 1 and 2 of the chip U18 are connected in parallel to ground via a resistor and a capacitor, pin 3 is grounded via a capacitor, pin 6 is connected to a socket via a resistor, and pin 7 is grounded via a resistor and a capacitor.

7. A split road indication device according to claim 2, characterized in that: The centralized controller further comprises an isolation unit, which is arranged between the input module and the arbitration processing unit.

8. A split road indication device according to claim 1, characterized in that: An input module is provided at the connection point between the indicator and the connecting indicator and at the connection point between the indicator and the centralized controller. The input module includes an AC input unit and a DC input unit. The AC input unit includes a plurality of AC starting branches connected in parallel. Any AC starting branch includes a linear optocoupler Q. Pin 1 of the linear optocoupler Q passes through a rectifier diode, a resistor and a diode in sequence. Pin 1 of the linear optocoupler Q is also connected in series with pin 2 through a diode. The DC input unit includes a plurality of DC starting branches. The DC starting branch includes a linear optocoupler O. Pin 1 of the linear optocoupler passes through a resistor and a diode respectively. Pin 2 of the linear optocoupler is connected in parallel with pin 1.

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