Traffic signal acquisition device

Abstract

The utility model discloses a traffic signal acquisition device. The traffic signal acquisition device comprises a plurality of current acquisition and conversion modules, a control module and at least two connection ports, the first ends of the plurality of current acquisition and conversion modules are connected with a plurality of signal lamp power supply loops of the traffic signal controller in a one-to-one correspondence manner, the second end of each current acquisition and conversion module is connected with the first end of the control module, and the current acquisition and conversion modules are used for acquiring power supply current signals of the signal lamp power supply loops connected with the current acquisition and conversion modules in real time; the power supply current signal is converted into an output voltage signal to be sent to the control module; the second end of the control module is connected with the first end of each connecting port, the connecting ports are connected with intelligent equipment, and the control module is used for receiving the output voltage signals sent by each current acquisition and conversion module, generating signal lamp state signals and transmitting the signal lamp state signals to the intelligent equipment through the connecting ports. According to the utility model, the acquisition of the on-off period information of the traffic signal lamp at the current intersection is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to traffic signal acquisition technical field especially relates to a traffic signal acquisition device. BACKGROUND

[0002] In the internet of vehicles system, the information of traffic signal is a kind of very important roadside information, and roadside equipment needs to obtain the traffic signal information of the intersection and send the traffic signal information of the intersection to surrounding traffic participants through the information exchange technology of vehicle and outside.

[0003] Because traffic signal machine is important traffic infrastructure, can control intersection signal light signal, generally with the connection of traffic management department inner net, based on safety consideration not to support the direct access of vehicle network system roadside equipment to traffic signal machine network, therefore cannot obtain the information of corresponding traffic signal machine through network. UTILITY MODEL CONTENT

[0004] The utility model provides a traffic signal acquisition device to realize the acquisition of current intersection traffic signal light on-off period information.

[0005] According to one aspect of the utility model, a traffic signal acquisition device is provided, which comprises:

[0006] a plurality of current collection conversion modules, a control module and at least two connection ports;

[0007] The first end of the plurality of current collection conversion modules is connected one-to-one with a plurality of signal lamp power supply circuits of the traffic signal machine, the second end of each current collection conversion module is connected with the first end of the control module, the current collection conversion module is used for collecting the power supply current signal of the signal lamp power supply circuit connected therewith in real time, and the power supply current signal is converted into an output voltage signal and sent to the control module; wherein the number of signal lamp power supply circuits is less than or equal to the number of current collection conversion modules;

[0008] The second end of the control module is connected with the first end of each connection port, the connection port is connected with the intelligent device, and the control module is used for receiving the output voltage signal sent by each current collection conversion module and generating a signal lamp state signal and transmitting the signal lamp state signal to the intelligent device through the connection port.

[0009] Further, the traffic signal acquisition device further comprises:

[0010] a plurality of comparators; the comparators are arranged one-to-one with the current collection conversion modules, the first end of the current collection conversion module is connected with the first end of the comparator, and the current collection conversion module is used for collecting the power supply current signal output by the signal lamp power supply circuit in real time and converting the power supply current signal into an output voltage signal and sending the output voltage signal to the comparator;

[0011] The second end of the comparator is connected with the first end of the control module, and the comparator is used for comparing the output voltage signal with the preset voltage signal and sending a level signal to the control module according to a comparison result;

[0012] The control module is used for receiving the level signal sent by each comparator and generating a signal lamp state signal and transmitting the signal lamp state signal to the intelligent device through the connection port.

[0013] Further, the comparator is used for:

[0014] sending a high level signal to the control module when the output voltage signal is greater than the preset voltage signal;

[0015] sending a low level signal to the control module when the output voltage signal is less than or equal to the preset voltage signal.

[0016] Further, the traffic signal acquisition device further comprises:

[0017] a plurality of wiring terminals;

[0018] The wiring terminals are arranged one by one with the current acquisition and conversion module, the first end of the wiring terminal is connected with the signal lamp power supply loop of the traffic signal machine, and the second end of the wiring terminal is connected with the first end of the current acquisition and conversion module.

[0019] Further, the traffic signal acquisition device further comprises:

[0020] a communication module;

[0021] The communication module is connected with the third end of the control module, and the communication module is used for realizing information interaction between the control module and the cloud platform.

[0022] Further, the communication module comprises a communication unit and an antenna unit;

[0023] The first end of the communication unit is connected with the third end of the control module, and the second end of the communication unit is connected with the antenna unit.

[0024] Further, the traffic signal acquisition device further comprises:

[0025] a traffic signal machine communication interface;

[0026] The first end of the traffic signal machine communication interface is connected with the fourth end of the control module, and the second end of the traffic signal machine communication interface is connected with the traffic signal machine.

[0027] Further, the second end of the comparator is connected with the first end of the control module through an IO pin.

[0028] Further, the connection port comprises a network port or a 485 connection port;

[0029] The traffic signal machine communication interface comprises a network port or a 485 connection port.

[0030] Further, the communication unit comprises a 4G communication unit or a 5G communication unit.

[0031] The traffic signal acquisition device provided in the embodiment of the utility model, including: multiple current acquisition conversion module, control module and at least two connection ports, the first end of multiple current acquisition conversion module with the multiple signal lamp power supply loop of traffic signal machine one to one corresponding connection, the second end of each current acquisition conversion module with the first end of control module connection, the second end of control module with the first end of each connection port connection, and the connection port is connected with intelligent equipment, and the current acquisition conversion module acquires the power supply current signal of the signal lamp power supply loop connected with it in real time, and the power supply current signal is converted into output voltage signal and is sent to control module, and control module receives the output voltage signal sent by each current acquisition conversion module, and generates signal lamp state signal and is transmitted to intelligent equipment through connection port, realizes the acquisition of the current intersection traffic signal lamp on-off period information.

[0032] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the utility model, nor is it used to limit the scope of the utility model. Other features of the utility model will become easy to understand through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0033] In order to more clearly illustrate the technical scheme in the embodiment of the utility model, the drawings needed to be used in the embodiment description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0034] Figure 1 It is a structure schematic view of a traffic signal acquisition device according to the embodiment of the utility model;

[0035] Figure 2 It is a structure schematic view of another traffic signal acquisition device according to the embodiment of the utility model;

[0036] Figure 3 It is a structure schematic view of another traffic signal acquisition device according to the embodiment of the utility model;

[0037] Figure 4 It is a structure schematic view of another traffic signal acquisition device according to the embodiment of the utility model;

[0038] Figure 5 It is a structure schematic view of another traffic signal acquisition device according to the embodiment of the utility model;

[0039] Figure 6 is a structural schematic view of another traffic signal acquisition device according to an embodiment of the present application. DETAILED DESCRIPTION

[0040] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should belong to the scope of protection of the present application.

[0041] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device that includes a series of steps or units does not have to be limited to those steps or units clearly listed, but can include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0042] The present application provides a traffic signal acquisition device, Figure 1 is a structural schematic view of a traffic signal acquisition device according to an embodiment of the present application, referring to Figure 1 The traffic signal acquisition device comprises:

[0043] a plurality of current acquisition conversion modules 1, a control module 2 and at least two connection ports 3;

[0044] The first end of the plurality of current acquisition conversion modules 1 is connected one-to-one with a plurality of signal lamp power supply circuits of the traffic signal machine 4, the second end of each current acquisition conversion module 1 is connected with the first end of the control module 2, the current acquisition conversion module 1 is used to acquire the power supply current signal of the signal lamp power supply circuit connected therewith in real time, and convert the power supply current signal into an output voltage signal and send it to the control module 2; wherein the number of signal lamp power supply circuits is less than or equal to the number of current acquisition conversion modules 1;

[0045] The second end of the control module 2 is connected with the first end of each connection port 3, the connection port 3 is connected with the intelligent device 5, and the control module 2 is used for receiving the output voltage signal transmitted by each current collection and conversion module 1 and generating a signal lamp state signal to be transmitted to the intelligent device 5 through the connection port 3.

[0046] The number of the current collection and conversion modules 1 can be set according to actual conditions, and the embodiment of the utility model does not limit this.

[0047] Specifically, since the signal lamp power supply circuit is set in one-to-one correspondence with the traffic signal lamp, the signal lamp power supply circuit of the traffic signal machine 4 can be connected with the current collection and conversion module 1 according to the number of the signal lamp power supply circuit, for example, if the number of the signal lamp power supply circuit of the traffic signal machine 4 is less than the number of the current collection and conversion module 1, then the signal lamp power supply circuit of the traffic signal machine 4 can be connected with the first end of part of the current collection and conversion module 1 in one-to-one correspondence, and if the number of the signal lamp power supply circuit of the traffic signal machine 4 is equal to the number of the current collection and conversion module 1, then the signal lamp power supply circuit of the traffic signal machine 4 can be connected with the first end of the current collection and conversion module 1 in one-to-one correspondence. The current collection and conversion module 1 connected with the signal lamp power supply circuit of the traffic signal machine 4 collects the power supply current signal in the signal lamp power supply circuit in real time, converts the power supply current signal into an output voltage signal and transmits the output voltage signal to the control module 2, for example, if the connected traffic signal lamp is on, then the signal lamp power supply circuit connected with the traffic signal lamp must have current flowing through, at this time, the current collection and conversion module 1 generates different voltage values according to the size of the current in the power supply current signal, converts the generated voltage values into output voltage signals and transmits the output voltage signals to the control module 2, wherein the generated voltage values and the corresponding current values are in a linear relationship, and if the connected signal lamp is not on, then the signal lamp power supply circuit connected with the traffic signal lamp must not have current flowing through, at this time, the current collection and conversion module 1 outputs a minimum voltage value, wherein the minimum voltage value can be set according to actual conditions.

[0048] The control module 2 determines the on-off state of the traffic signal lamp corresponding to the current collection and conversion module 1 according to the received output voltage signal transmitted by each current collection and conversion module 1, and the recorder in the control module 2 self-adapts to learn the on-off state of all traffic signal lamps in multiple cycles of the current intersection, completes the learning of the traffic signal lamp on-off cycle information and the like, generates a signal lamp state signal according to the traffic signal lamp on-off cycle information and the like, transmits the signal lamp state signal to the intelligent device 5 through the connection port 3, so as to realize the acquisition of the traffic signal lamp on-off cycle information of the current intersection. The connection port 3 can be a network port or a 485 connection port, and the intelligent device 5 can be a vehicle networking roadside device.

[0049] The traffic signal acquisition device provided by the embodiment of the utility model, including: A plurality of current collection conversion module 1, control module 2 and at least two connection ports 3, the first end of a plurality of current collection conversion module 1 is connected with the power supply loop of traffic signal machine 4 one to one, and the second end of each current collection conversion module 1 is connected with the first end of control module 2, the second end of control module 2 is connected with the first end of each connection port 3, and connection port 3 is connected with intelligent equipment 5, current collection conversion module 1 real-time collection and the power supply loop of signal lamp power supply connected with it, and the power supply current signal is converted into output voltage signal and is sent to control module 2, and control module 2 receives the output voltage signal sent by each current collection conversion module 1, and generates signal lamp state signal and is transmitted to intelligent equipment 5 through connection port 3, which realizes the acquisition of the current intersection traffic signal lamp bright and dark cycle information.

[0050] Further, Figure 2 It is another traffic signal acquisition device structure schematic diagram provided by the embodiment of the utility model, reference Figure 2 , traffic signal acquisition device still includes:

[0051] A plurality of comparators 6, comparator 6 is set with current collection conversion module 1 one to one, and the first end of current collection conversion module 1 is connected with the first end of comparator 6, and current collection conversion module 1 is used to real-time collection signal lamp power supply loop output power supply current signal, and the power supply current signal is converted into output voltage signal and is sent to comparator 6;

[0052] The second end of comparator 6 is connected with the first end of control module 2, and comparator 6 is used to compare output voltage signal with preset voltage signal, and sends level signal to control module 2 according to the comparison result;

[0053] Control module 2 is used to receive the level signal sent by each comparator 6, and generates signal lamp state signal and is transmitted to intelligent equipment 5 through connection port 3.

[0054] Wherein, comparator 6 can be voltage comparator.

[0055] Specifically, the comparator 6 compares the output voltage signal with the preset voltage signal, and sends a high-level signal to the control module 2 if the output voltage signal is greater than the preset voltage signal, or sends a low-level signal to the control module 2 if the output voltage signal is less than or equal to the preset voltage signal. The comparator 6 can convert the analog voltage signal sent by the current collection conversion module 1 into a digital voltage signal in 0 / 1 state, and the second end of the comparator 6 can be connected to the first end of the control module 2 through an IO pin, so that the control module 2 can obtain the signal lamp on / off state through the IO pin. For example, if the control module 2 receives a high-level signal, it can be determined that the traffic signal lamp corresponding to the signal lamp power supply circuit is in the on state; if the control module 2 receives a low-level signal, it can be determined that the traffic signal lamp corresponding to the signal lamp power supply circuit is in the off state. The preset voltage value in the preset voltage signal in the comparator 6 can be set according to different models of traffic signal machines 4, so as to ensure that the comparator 6 outputs a high-level signal to the control module 2 when the traffic signal lamp is on, and outputs a low-level signal to the control module 2 when the traffic signal lamp is off.

[0056] Further, the comparator is used for:

[0057] sending a high-level signal to the control module when the output voltage signal is greater than the preset voltage signal;

[0058] sending a low-level signal to the control module when the output voltage signal is less than or equal to the preset voltage signal.

[0059] Further, Figure 3 is a structural schematic diagram of another traffic signal acquisition device according to an embodiment of the present application, referring to Figure 3 , the traffic signal acquisition device further comprises:

[0060] a plurality of wiring terminals 7;

[0061] The wiring terminal 7 is arranged in one-to-one correspondence with the current collection conversion module 1, the first end of the wiring terminal 7 is connected with the signal lamp power supply circuit of the traffic signal machine 4, and the second end of the wiring terminal 7 is connected with the first end of the current collection conversion module 1.

[0062] Specifically, the signal lamp power supply circuit of the traffic signal machine 4 can be connected with the wiring terminal 7 in one-to-one correspondence according to the number of the signal lamp power supply circuit, for example, if the number of the signal lamp power supply circuit of the traffic signal machine 4 is less than the number of the wiring terminal 7, the signal lamp power supply circuit of the traffic signal machine 4 can be connected with the first end of part of the wiring terminal 7 in one-to-one correspondence, and if the number of the signal lamp power supply circuit of the traffic signal machine 4 is equal to the number of the wiring terminal 7, the signal lamp power supply circuit of the traffic signal machine 4 can be connected with the first end of the wiring terminal 7 in one-to-one correspondence.

[0063] Further, Figure 4 is another traffic signal acquisition device structure schematic diagram provided by the embodiment of the utility model, reference Figure 4 , traffic signal acquisition device still includes:

[0064] Communication module 8;

[0065] Communication module 8 and the third end of control module 2 are connected, and communication module 8 is used to realize the information interaction between control module 2 and cloud platform.

[0066] Specifically, communication module 8 can realize cellular communication function, control module 2 can upload the current intersection traffic signal light on-off period information to cloud platform for storage through cellular network, and cloud platform can also carry out remote operation and maintenance control to traffic signal acquisition device through communication module 8.

[0067] Further, Figure 5 is another traffic signal acquisition device structure schematic diagram provided by the embodiment of the utility model, reference Figure 5 , communication module includes communication unit 81 and antenna unit 82;

[0068] The first end of communication unit 81 and the third end of control module 2 are connected, and the second end of communication unit 81 and antenna unit 82 are connected.

[0069] Specifically, communication unit 81 can transmit the current intersection traffic signal light on-off period information to cloud platform through antenna unit 82, and also can receive remote control information sent by cloud platform through antenna unit 82, to realize remote operation and maintenance control to traffic signal acquisition device.

[0070] Further, Figure 6 is another traffic signal acquisition device structure schematic diagram provided by the embodiment of the utility model, reference Figure 6 , traffic signal acquisition device still includes:

[0071] Traffic signal machine communication interface 9;

[0072] The first end of traffic signal machine communication interface 9 and the fourth end of control module 2 are connected, and the second end of traffic signal machine communication interface 9 and traffic signal machine 4 are connected.

[0073] Specifically, traffic signal machine 4 supports vehicle network system roadside equipment access traffic signal machine network, at this time, the traffic signal acquisition device of the utility model can be directly connected with traffic signal machine 4 through traffic signal machine communication interface 9, to obtain the current intersection traffic signal light on-off period information.

[0074] Further, the second end of the comparator is connected with the first end of the control module through the IO pin.

[0075] Specifically, after the comparator converts the analog voltage signal sent by the current acquisition conversion module into a digital voltage signal of 0 / 1 state, the second end of the comparator is connected to the first end of the control module through an IO pin, compared with using an analog signal pin, the number of traffic signal lamps that the control module can collect is improved.

[0076] Further, the connection port includes a network port or a 485 connection port.

[0077] The traffic signal machine communication interface includes a network port or a 485 connection port.

[0078] Further, the communication unit includes a 4G communication unit or a 5G communication unit.

[0079] It should be understood that the various forms of flow shown above can be used to reorder, add or delete steps. For example, the steps described in the present application can be executed in parallel, sequentially or in different order, as long as the desired results of the technical solution of the present application can be achieved, which is not limited herein.

[0080] The above specific embodiments do not constitute a limitation on the scope of protection of the present application. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A traffic signal acquisition device, characterized by, The traffic signal acquisition device comprises: a plurality of current acquisition conversion modules, a control module and at least two connection ports; a first end of each of the plurality of current acquisition conversion modules is connected with a signal lamp power supply circuit of a traffic signal machine one by one, a second end of each of the current acquisition conversion modules is connected with a first end of the control module, the current acquisition conversion module is used for acquiring a power supply current signal of the signal lamp power supply circuit connected therewith in real time, and converting the power supply current signal into an output voltage signal and sending the output voltage signal to the control module; wherein the number of the signal lamp power supply circuits is less than or equal to the number of the current acquisition conversion modules; a second end of the control module is connected with a first end of each of the connection ports, the connection port is connected with a smart device, and the control module is used for receiving the output voltage signal sent by each of the current acquisition conversion modules and generating a signal lamp state signal and transmitting the signal lamp state signal to the smart device through the connection port.

2. The traffic signal acquisition apparatus according to claim 1, characterized by Further comprising: a plurality of comparators; the comparators are arranged one by one with the current acquisition conversion modules, a first end of the current acquisition conversion module is connected with a first end of the comparator, and the current acquisition conversion module is used for acquiring a power supply current signal output by the signal lamp power supply circuit in real time and converting the power supply current signal into an output voltage signal and sending the output voltage signal to the comparator; a second end of the comparator is connected with a first end of the control module, and the comparator is used for comparing the output voltage signal with a preset voltage signal and sending a level signal to the control module according to a comparison result; the control module is used for receiving the level signal sent by each of the comparators and generating a signal lamp state signal and transmitting the signal lamp state signal to the smart device through the connection port.

3. The traffic signal acquisition device according to claim 2, wherein the comparator is used for: when the output voltage signal is greater than the preset voltage signal, sending a high-level signal to the control module; when the output voltage signal is less than or equal to the preset voltage signal, sending a low-level signal to the control module.

4. The traffic signal acquisition apparatus according to claim 1, characterized by Further comprising: a plurality of wiring terminals; the wiring terminals are arranged one by one with the current acquisition conversion modules, a first end of the wiring terminal is connected with the signal lamp power supply circuit of the traffic signal machine, and a second end of the wiring terminal is connected with a first end of the current acquisition conversion module.

5. The traffic signal acquisition apparatus according to claim 1, characterized by Further comprising: a communication module; the communication module is connected with a third end of the control module, and the communication module is used for realizing information interaction between the control module and a cloud platform.

6. The traffic signal acquisition device according to claim 5, wherein the communication module comprises a communication unit and an antenna unit; a first end of the communication unit is connected with a third end of the control module, and a second end of the communication unit is connected with the antenna unit.

7. The traffic signal acquisition apparatus according to claim 1, characterized by Further comprising: a traffic signal machine communication interface; a first end of the traffic signal machine communication interface is connected with a fourth end of the control module, and a second end of the traffic signal machine communication interface is connected with a traffic signal machine.

8. The traffic signal acquisition device according to claim 2, wherein The second end of the comparator is connected with the first end of the control module through an IO pin.

9. The traffic signal acquisition device according to claim 7, wherein, The connection port comprises a network port or a 485 connection port. The traffic signal machine communication interface comprises a network port or a 485 connection port.

10. The traffic signal acquisition device according to claim 6, wherein, The communication unit comprises a 4G communication unit or a 5G communication unit.

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