CN209882110U - Wireless communication device - Google Patents
Wireless communication device Download PDFInfo
- Publication number
- CN209882110U CN209882110U CN201822141449.6U CN201822141449U CN209882110U CN 209882110 U CN209882110 U CN 209882110U CN 201822141449 U CN201822141449 U CN 201822141449U CN 209882110 U CN209882110 U CN 209882110U
- Authority
- CN
- China
- Prior art keywords
- communication
- wireless communication
- central node
- node
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
An object of the utility model is to provide a can satisfy the synchronous control demand of a plurality of equipment and transmission process safe and reliable's wireless communication device through wireless communication mode. The utility model provides a wireless communication device for carry out information transmission in the equipment management system who has a total controlling means and a plurality of sub-controlling means, have such characteristic, include: a plurality of communication nodes, the number of which is the same as that of the plurality of sub-control devices; and a gateway, comprising: the system comprises a gateway body and a central node, wherein one end of the gateway body is connected with a master control device, the other end of the gateway body is connected with the central node, one end of each communication node is connected with a sub-control device, the other end of each communication node is in wireless communication connection with the central node, the central node and a plurality of communication nodes are integrated with a wireless communication module with a frequency hopping communication mechanism, and the central node is also integrated with a time synchronization control module.
Description
Technical Field
The utility model belongs to the signal transmission field, concretely relates to can satisfy the synchronous control demand of a plurality of equipment and transmission process safe and reliable's wireless communication device through wireless communication mode.
Background
With the continuous development of high and new technologies such as intelligent manufacturing, big data analysis, cloud computing and the like, the concept of the smart city is also put forward formally. The smart city integrates the city composition system and service by using various information technologies or innovative ideas, so as to improve the efficiency of resource application, optimize city management and service, and improve the quality of life of citizens. In the construction of smart cities, the cities are the main bodies, the covered contents are very large, and various infrastructures basically realize informatization control. The equipment and the control end are connected through the communication cable, and the message of the control end can be sent to the equipment end in time so as to control the equipment to execute corresponding operation.
However, most of the equipment terminals and the control terminals are connected by communication cables, so that in order to avoid the complicated communication cables from causing obstacles to urban activities, the cable is usually erected in the air or buried underground, which causes great troubles in maintenance or reconstruction and upgrade; in addition, the wired communication mode cannot meet the synchronous control requirements of most infrastructures in the smart city, such as traffic lights, street lamps and the like. To solve the problem, although the wifi technology in the prior art has been developed and matured, if the wifi technology is applied to each infrastructure of the smart city, the wifi hotspots of the personal enterprises are numerous, and the inherent communication mechanism of wifi will interfere with the operation of the smart city, which is not beneficial to the operation of each infrastructure.
In summary, a wireless communication device capable of performing signal transmission in a wireless manner and having a safe and reliable transmission process is lacking in the field of communication technology.
SUMMERY OF THE UTILITY MODEL
The present invention has been made in order to solve the above problems, and an object of the present invention is to provide a wireless communication device which can satisfy the synchronous control demand of a plurality of devices in a wireless communication manner and which is safe and reliable in transmission.
The utility model provides a wireless communication device for carry out information transmission in the equipment management system who has a total controlling means and a plurality of sub-controlling means, have such characteristic, include: a plurality of communication nodes, the number of which is the same as that of the plurality of sub-control devices; and a gateway, comprising: the system comprises a gateway body and a central node, wherein one end of the gateway body is connected with a master control device, the other end of the gateway body is connected with the central node, one end of each communication node is connected with a sub-control device, the other end of each communication node is in wireless communication connection with the central node, the central node and a plurality of communication nodes are integrated with a wireless communication module with a frequency hopping communication mechanism, and the central node is also integrated with a time synchronization control module.
The present invention provides a wireless communication device, which can further have the following features: the gateway also comprises a network management module, and the network management module is used for carrying out network management on a communication network formed by the central node and all the communication nodes.
The present invention provides a wireless communication device, which can further have the following features: in the communication network, a plurality of communication channels are distributed to each communication node through a network management module, and a frequency hopping communication mechanism is as follows: when communication is performed between the center node and an arbitrary communication node or between two communication nodes, use is switched based on a plurality of communication channels allocated in advance.
The present invention provides a wireless communication device, which can further have the following features: the time synchronization control module has the functions of: after receiving the control command sent by the master control device from the gateway body, the control center node sends the control command to all the communication nodes in a broadcast manner, so that all the communication nodes receive the control command at the same time, and further all the sub-control devices can control corresponding equipment to execute corresponding operations at the same time.
The present invention provides a wireless communication device, which can further have the following features: the central node is provided with a plurality of ports for connecting the gateway body and the plurality of communication nodes.
The present invention provides a wireless communication device, which can further have the following features: wherein, the wireless communication module is a communication module integrated with a wireless HART communication protocol.
Action and effect of the utility model
According to the utility model relates to a wireless communication device, in arbitrary one equipment management system, total controlling means sends control command and is sent for the gateway body at first, the gateway body sends this control command for central node again, integrated time synchronization control module sends this control command simultaneously to all communication nodes with control central node through the wireless communication mode at this moment, send for corresponding sub-controller by communication node again, last sub-controlling means just can be based on this control command simultaneous control corresponding equipment carries out corresponding operation, satisfy the synchronism demand of equipment control; in addition, the wireless communication modules integrated in the central node and all the communication nodes are provided with frequency hopping communication mechanisms, so that the safety and reliability of communication transmission are ensured, and even if communication channel faults occur, other channels can be selected to continue communication through the frequency hopping communication mechanisms.
Drawings
Fig. 1 is a schematic view of the distribution of traffic lights at the crossroads in the embodiment of the present invention;
fig. 2 is a schematic structural diagram of an apparatus management system according to an embodiment of the present invention; and
fig. 3 is a schematic structural diagram of a wireless communication device according to an embodiment of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following embodiments are specifically illustrated with reference to the accompanying drawings.
Fig. 1 is a schematic view of the distribution of traffic lights at the crossroad according to the embodiment of the present invention.
As shown in fig. 1, in the present embodiment, the intersection 10 is taken as an example for detailed description. The intersection 10 forms four directions of vehicle passing directions. Four motor vehicle signal poles 11 and eight pedestrian signal poles 12 are provided at the intersection 10.
The four motor vehicle signal poles 11 are respectively located on the right side of the four roads, the so-called right side being viewed based on the traffic direction of each road. In the present embodiment, the four vehicle signal light poles 11 are identical except for the installation positions, and only one of them will be described in detail, and the detailed description of the other three will be omitted.
Each motor vehicle signal lamp post 11 is provided with three signal lamp groups, which are respectively as follows: the left turn signal lamp group 11a, the straight signal lamp group 11b and the right turn signal lamp group 11c enable the vehicle running in the direction corresponding to the motor vehicle signal lamp post 11 to select direct passing or waiting passing according to the state of the indicator lamp corresponding to the target direction. Each signal lamp group respectively comprises: one red light, one green light and one yellow light.
The eight pedestrian signal lamp poles 12 are respectively positioned on two side roadsides of four roads and close to the intersection. In the present embodiment, the eight pedestrian signal poles 12 are identical except for the installation positions, and only one of them will be described in detail, and the detailed description of the other seven poles will be omitted.
Each pedestrian signal lamp post 12 is provided with a signal lamp group, namely a traffic signal lamp group 12a, which comprises: one red light and one green light. The traffic signal lamp group 12a is disposed toward the road for allowing the pedestrian on the opposite side of the road to select direct traffic or waiting traffic according to only the state of the signal lamp.
In the present embodiment, in order to allow vehicles and pedestrians to pass through the intersection 10 in order, improve the passing efficiency, and avoid traffic congestion, the intersection 10 is provided with an equipment management system 20, which is not shown in the drawing, and the equipment management system 20 manages all the signal lamp sets to display the passing (green light is on) or waiting (red light is on) states according to a predetermined sequence, so as to guide whether the vehicles and pedestrians pass or not.
Fig. 2 is a schematic structural diagram of a device management system according to an embodiment of the present invention.
As shown in fig. 2, the device management system 20 is used for traffic management of vehicles and pedestrians at the intersection 10 in fig. 1, and ensures orderly passage thereof.
The device management system 20 includes: a main control device 21, twelve sub-control devices 22 and a wireless communication device 30.
The general control device 21 is provided with a computer program for sending out a control command, in this embodiment, the control command is a traffic control signal, and based on the traffic control signal, all the signal light groups on the eight pedestrian signal light poles 10 and the four motor vehicle signal light poles 20 are controlled to light up corresponding lights according to a set rule, so as to indicate the passing or waiting of vehicles and pedestrians at the intersection, and ensure the passing order.
Twelve sub-control devices 22 are disposed on four vehicle signal poles 11 and eight pedestrian signal poles 12 in a one-to-one correspondence, and are used for controlling the display states of the signal light groups on the corresponding signal poles, wherein the display states include: a red light is lit, a green light is lit, or a yellow light is lit. In the present embodiment, the twelve sub-controllers 22 are identical except for their installation positions. One end of each sub-control device 22 is connected to all the signal light sets on the corresponding signal light pole, and the other end is connected to the traffic signal wireless communication device 30, so as to receive the traffic control signal sent by the main control device 21, and further control the corresponding signal light set to execute the predetermined display state.
The wireless communication device 30 is disposed between the main control device 21 and the twelve sub-control devices 22, and is configured to send the traffic control signal sent by the main control device 21 to each sub-control device 22.
Fig. 3 is a schematic structural diagram of a wireless communication device according to an embodiment of the present invention.
As shown in fig. 3, the wireless communication apparatus 30 includes: one gateway 31 and twelve communication nodes 32.
One end of the gateway 31 is connected to the master control device 21, and the other end is connected to the twelve communication nodes 32, and is configured to transmit a traffic control signal sent by the master control device 21.
The other ends of the twelve communication nodes 32 are connected to the twelve sub-control devices 22 in a one-to-one correspondence manner, and are configured to send the traffic control signal transmitted by the gateway 31 to the corresponding sub-control devices 22.
As also shown in fig. 3, the gateway 31 includes: a gateway body 311, a central node 312, and a network management module 313.
One end of the gateway body 311 is connected to the master control device 21, and the other end is connected to the central node 312, and is configured to receive the traffic control signal sent by the master control device 21 and send the traffic control signal to the central node 312. In this embodiment, the functions of the gateway body 311 are the same as those of the gateway in the prior art, and are not described herein again.
The central node 312 has thirteen ports not shown in the figure, one of the ports is connected to the gateway body 311, and the other twelve ports are in one-to-one communication connection with the twelve communication nodes 32. The central node 312 is configured to receive the traffic control signal sent by the gateway body 311 and send the traffic control signal to all the communication nodes 32. As can be seen from the description, a star network is formed between the central node 312 and the twelve communication nodes 32, so that the central node 312 can directly communicate with each communication node 32.
The network management module 313 is connected to the gateway body 311, and is configured to perform network management on a communication network formed between the central node 312 and all the communication nodes 32, for example, add a new communication node, delete an existing communication node, modify parameter information (including information such as a network ID, an equipment address, and a frequency point) of the communication node, and the like. In this embodiment, after any communication node 32 successfully establishes communication with the central node 312, the network management module 313 performs parameter configuration on the communication node 32, where the parameter configuration includes pre-allocating a plurality of communication channels for the communication node 32 to use when communicating; in addition, during the communication process, the entire communication network may be optimized by the network management module 313 to adjust the communication channel allocated to each communication node 32.
In the present embodiment, the configurations of the twelve communication nodes 32 are completely the same, and only one of the communication nodes 32 will be described in detail herein, and the description of the other eleven communication nodes 32 will be omitted.
One end of the communication node 32 is connected to the central node 312, and the other end is connected to a corresponding sub-control device 22, and is configured to transmit the traffic control signal sent from the central node 312 to the corresponding sub-control device 22. In the present embodiment, the center node 312 and the twelve communication nodes 32 are respectively provided with a wireless communication module integrated with the wireless HART communication protocol, and the wireless communication module has a frequency hopping communication mechanism, so that the wireless communication process between the center node 312 and the twelve communication nodes 32 is safer and more reliable. The specific frequency hopping communication mechanism is as follows:
the central node 312 and any communication node 32 or any two communication nodes 32 are switched to use one by one based on the allocated plurality of communication channels during communication, that is, a frequency hopping communication mechanism. Thus, when the ongoing communication fails to successfully communicate due to the channel failure, the next communication can be prevented from being affected by the current channel failure by switching the use of the other channel.
In this embodiment, the central node 312 is further provided with a time synchronization control module, which specifically functions as: after the traffic control signal sent from the main control device 21 is sent to the central node 312 via the gateway body 311, the control central node 312 sends the traffic control signal to all the communication nodes 32 simultaneously in a broadcast manner, so that all the communication nodes 32 can receive the traffic control signal simultaneously, thereby ensuring that all the sub-control devices 22 can control the corresponding signal lamp groups to perform corresponding operations simultaneously based on the traffic control signal.
Based on the frequency hopping communication mechanism and the time synchronization control module, the wireless communication between the communication node 32 and the central node 312 is safer, more stable, faster and more reliable; and the synchronous control requirement of the traffic signal lamps at any intersection can be met.
Effects and effects of the embodiments
According to the wireless communication device related to the embodiment, in any equipment management system, a master control device sends a control command to be sent to a gateway body firstly, the gateway body sends the control command to a central node, at this time, a time synchronization control module integrated in the central node sends the control command to all communication nodes through a wireless communication mode by the control central node, and then the control central node sends the control command to a corresponding sub-controller, and finally, the sub-control devices can control corresponding equipment to execute corresponding operations based on the control command simultaneously, so that the synchronization requirement of equipment control is met; in addition, the wireless communication modules integrated in the central node and all the communication nodes are provided with frequency hopping communication mechanisms, so that the safety and reliability of communication transmission are ensured, and even if communication channel faults occur, other channels can be selected to continue communication through the frequency hopping communication mechanisms.
In the present embodiment, only traffic lights at intersections are taken as a typical example, and the wireless communication device is also applicable to other fields such as smart cities, manufacturing and the like.
The above embodiments are preferred examples of the present invention, and are not intended to limit the scope of the present invention.
Claims (4)
1. A wireless communication apparatus for information transmission in an equipment management system having a master control apparatus and a plurality of slave control apparatuses, comprising:
a plurality of communication nodes, the number of which is the same as that of the plurality of sub-control devices; and
a gateway, comprising: a gateway body and a central node,
wherein one end of the gateway body is connected with the master control device, the other end is connected with the central node,
one end of each communication node is connected with one sub-control device, the other end of each communication node is in wireless communication connection with the central node,
the central node integrates a wireless communication module with a frequency hopping communication mechanism with the plurality of communication nodes,
and a time synchronization control module is also integrated in the central node.
2. The wireless communication apparatus of claim 1, wherein:
wherein the gateway further comprises a network management module,
and the network management module is connected with the gateway body so as to manage the communication network formed by the central node and all the communication nodes.
3. The wireless communication apparatus of claim 1, wherein:
wherein the central node has a plurality of ports for connecting with the gateway body and the plurality of communication nodes.
4. The wireless communication apparatus of claim 1, wherein:
the wireless communication module is a communication module integrated with a wireless HART communication protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822141449.6U CN209882110U (en) | 2018-12-20 | 2018-12-20 | Wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822141449.6U CN209882110U (en) | 2018-12-20 | 2018-12-20 | Wireless communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209882110U true CN209882110U (en) | 2019-12-31 |
Family
ID=68946472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822141449.6U Active CN209882110U (en) | 2018-12-20 | 2018-12-20 | Wireless communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209882110U (en) |
-
2018
- 2018-12-20 CN CN201822141449.6U patent/CN209882110U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109785620B (en) | Traffic control system under car networking environment | |
| CN111182064A (en) | Special vehicle priority passing method based on vehicle road cloud cooperation | |
| CN106683394B (en) | Information processing method, Internet of vehicles social platform and vehicle-mounted equipment | |
| CN104981021A (en) | Method and equipment for scheduling resources in car networking system | |
| US20130194108A1 (en) | System, Method, Control Device and Program for Vehicle Collision Avoidance Using Cellular Communication | |
| CN108616565B (en) | Vehicle data communication method and system | |
| CN106373398B (en) | Traffic sensor networking method based on Bluetooth communication | |
| CN103812605B (en) | Data in car networking broadcast control and data broadcasting method and equipment | |
| CN106448193A (en) | Urban traffic control system and method | |
| CN109993968A (en) | Traffic control system based on car networking | |
| CN109194544B (en) | Vehicle-road communication testing platform and testing method based on EUHT technology | |
| CN206147948U (en) | Urban traffic control system | |
| CN103237087A (en) | Vehicle-mounted intelligent terminal and vehicle internetworking link protection system | |
| Mustakim | 5G vehicular network for smart vehicles in smart city: A review | |
| CN106603658A (en) | IOV (Internet of vehicles) data transmission method and device based on software definition network | |
| Wang et al. | Software defined Wi-V2G: A V2G network architecture | |
| CN113345254A (en) | Intelligent traffic signal lamp system for smart intersection and intelligent traffic signal lamp for vehicle and road cooperation | |
| CN205670385U (en) | Urban traffic control device based on mobile phone wireless net | |
| CN103117000A (en) | Road condition monitoring device | |
| CN209882110U (en) | Wireless communication device | |
| CN107682989B (en) | Street lamp control system based on RS485 communication and application thereof | |
| CN103259860A (en) | Vehicle-mounted intelligent terminal and vehicle networking link protective system | |
| TW202110215A (en) | V2x device and communication method thereof | |
| CN109615884A (en) | Wireless traffic signal light management system | |
| CN105163286A (en) | Spreading type broadcasting method based on low-bit-rate wireless network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |