CN216871408U - Vehicle inspection device control module and intelligent vehicle inspection device - Google Patents
Vehicle inspection device control module and intelligent vehicle inspection device Download PDFInfo
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- CN216871408U CN216871408U CN202220482554.XU CN202220482554U CN216871408U CN 216871408 U CN216871408 U CN 216871408U CN 202220482554 U CN202220482554 U CN 202220482554U CN 216871408 U CN216871408 U CN 216871408U
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Abstract
The utility model relates to the technical field of vehicle detection equipment, in particular to a vehicle detector control module and an intelligent vehicle detector, wherein the control module comprises a main control chip U1, a signal interaction circuit, a transmission circuit and a relay circuit; the main control chip U1 is respectively electrically connected with the signal interaction circuit and the transmission circuit; the transmission circuit is respectively electrically connected with the signal interaction circuit and the relay circuit and drives the relay to work through data transmission and logic control. The control module provided by the utility model can be used for controlling and processing information detected by the vehicle detector body through the connection arrangement of the main control chip U1, the signal interaction circuit, the transmission circuit and the relay circuit, and can also be in communication connection with remote human-computer interaction equipment so as to remotely transmit data, modify parameters of the vehicle detector and monitor the working state in real time, thereby carrying out fault self-diagnosis and actively alarming. The device has the advantages of simple structure, simplified circuit, convenient operation, low cost and good application prospect.
Description
Technical Field
The utility model relates to the technical field of vehicle detection equipment, in particular to a vehicle detector control module and an intelligent vehicle detector.
Background
The vehicle detector is a traditional traffic detector, in particular to an annular ground induction coil sensor, has high reliability and detection accuracy and low cost, and is detection equipment with the largest usage in the world at present. The working principle is that the vehicle passes through the annular coil buried under the road surface to cause the change of the magnetic field of the coil, and the sensor calculates the traffic parameters of the vehicle, such as flow, speed, time occupancy rate, length and the like, and uploads the traffic parameters to the central control system so as to meet the requirement of the traffic control system.
However, the conventional vehicle inspection device cannot be found in time when a fault occurs, and a professional technician is required to go to the site to perform technical detection and judge the fault reason, for example, a wireless ground sensing vehicle detection device disclosed in patent No. CN202110577138.8, published as 2021, 09 and 17 comprises a trigger device, a ground sensing coil and a detector which are sequentially arranged on a road along the traveling direction of the vehicle. This vehicle detection device detects whether there is the vehicle to be being close ground induction coil and judge the car distance through trigger device, starts ground induction coil when the vehicle is close ground induction coil to start the detector and survey the quantity, the translation rate and the car length of vehicle, thereby avoid the interference of back car to detecting the front truck, guarantee the degree of accuracy that detects.
Above-mentioned patent can effectively improve the detection precision that the vehicle passes through quantity, nevertheless when having annular ground induction coil car inspection ware trouble, can not in time learn and know car inspection ware trouble reason, can't obtain in time prosthetic problem.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect that the vehicle detector in the prior art cannot be timely known and processed when a fault occurs, the utility model provides a vehicle detector control module which is respectively in communication connection with a vehicle detector body and a man-machine interaction device and comprises a main control chip U1, a signal interaction circuit, a transmission circuit and a relay circuit; the main control chip U1 is respectively electrically connected with the signal interaction circuit and the transmission circuit and is used for reading and processing data interacted between the human-computer interaction equipment and the vehicle detector body; the transmission circuit is respectively electrically connected with the signal interaction circuit and the relay circuit, and drives the relay to work through data transmission and logic control, so that the transmission circuit is used for modifying vehicle inspection device parameters according to data transmitted by the man-machine interaction device, feeding back and monitoring the working state in real time, performing fault self-diagnosis and actively alarming.
In an embodiment, the signal interaction circuit includes a connector J3 connected to the main control chip U1, a plurality of resistors connected to the connector J3, and a plurality of capacitors respectively connected to the power supply terminal and the ground terminal, so as to interact with data of the human-computer interaction device and/or other vehicle detectors.
In one embodiment, the connector J3 is selected from an IDC gang connector.
In one embodiment, the system further comprises a dial indicator light circuit respectively electrically connected with the main control chip U1 and the transmission circuit, wherein the dial indicator light circuit comprises a dial switch S1 used for setting parameters of the vehicle detector, a dial switch S2 and a plurality of light emitting diodes used for displaying the working state of the vehicle detector.
In one embodiment, the transmission circuit includes connector J4, connector J5, connector J6, connector J7; the connector J4 is electrically connected with the main control chip U1, the dial switch S1 and the dial switch S2 respectively, the connector J5 is electrically connected with the relay circuit, the connector J6 is electrically connected with the main control chip U1 and the transmission signal interaction circuit respectively, and the connector J7 is electrically connected with the main control chip U1 to be used for data transmission of all circuits.
In one embodiment, the relay circuit includes a chip U2 and four sets of relays connected to the chip U2, wherein two sets of terminals are connected to the relays for connection to the vehicle detector body.
In one embodiment, the power supply further comprises a voltage stabilizing circuit connected with the input end, the voltage stabilizing circuit comprises a patch rectifier bridge U3, a voltage stabilizing chip U4 and a filter circuit, the patch rectifier bridge U3 is connected with the power supply end through the voltage stabilizing chip U4, and the power supply end is grounded through the filter circuit to eliminate high-frequency noise.
In one embodiment, the protection circuit is connected with the voltage stabilizing circuit and comprises a plurality of capacitors connected with a power supply end, and a transient diode D9 and a transient diode D8 which are respectively connected to two ends of the voltage stabilizing chip U4.
In one embodiment, the main control chip U1 is a single chip microcomputer.
The utility model also provides an intelligent vehicle inspection device, which adopts the vehicle inspection device control module.
Based on the above, compared with the prior art, the vehicle inspection device control module provided by the utility model can be used for controlling and processing the detection information of the vehicle inspection device body through the connection arrangement of the main control chip U1, the signal interaction circuit, the transmission circuit and the relay circuit, and can also be in communication connection with remote human-computer interaction equipment so as to remotely transmit data, modify the parameters of the vehicle inspection device, monitor the working state in real time, perform fault self-diagnosis and actively alarm. The device has the advantages of simple structure, convenient operation, low cost and good application prospect.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts; in the following description, the drawings are illustrated in a schematic view, and the drawings are not intended to limit the present invention.
FIG. 1 is a block diagram of a control module of a vehicle inspection device according to the present invention;
FIG. 2 is a schematic circuit diagram of the main control chip U1;
FIG. 3 is a circuit schematic of a reset circuit;
FIG. 4 is a circuit schematic of a signal interaction circuit;
FIG. 5 is a circuit schematic of a dial indicator light circuit;
FIG. 6 is a circuit schematic of a transmission circuit;
FIG. 7 is a circuit schematic of a relay circuit;
FIG. 8 is a circuit schematic of a voltage regulator circuit;
fig. 9 is a circuit schematic of the protection circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; the technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be noted that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, and are not to be construed as limiting the present invention; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Referring to fig. 1 to 9, in order to solve the defects of the prior art, the vehicle inspection device control module is designed, so that the vehicle inspection device control module not only has the basic functions of the prior vehicle inspection device, but also can realize data interaction and monitoring between the remote human-computer interaction device and the vehicle inspection device body, thereby solving the problems that the fault reason cannot be found and known in time and the vehicle inspection device cannot be reset in time when the vehicle inspection device is in fault. The control module and the remote human-computer interaction equipment can perform data interaction in a wired communication or wireless communication mode, and the wireless communication can adopt a Bluetooth module, a Wi-Fi module or a Zigbee module. Meanwhile, circuit design is carried out according to data points needing to be controlled and monitored, so that the corresponding circuit is controlled by the main control chip U1, and a control module which can feed back data in real time and is controlled by remote human-computer interaction equipment is built.
Specifically, the device comprises a main control chip U1, a signal interaction circuit, a transmission circuit and a relay circuit; the logic sequence of local configuration and remote human-computer interaction equipment configuration priority can be realized by programming the main control chip U1, and the problems of local configuration and remote configuration priority of the intelligent vehicle inspection device are solved. The main control chip U1 is electrically connected to the signal interaction circuit and the transmission circuit, respectively, and is configured to read and process data interacted between the human-computer interaction device and the vehicle inspection device body, where the data may include current operation parameters, fault condition parameters, operating frequency, inductance of the loop coil, and the like of the vehicle inspection device, and the parameter acquisition mode is obtained by detecting the vehicle inspection device body, which is a conventional means in the art and is not described herein; the transmission circuit is respectively electrically connected with the signal interaction circuit and the relay circuit, the relay is driven to work through data transmission and logic control, the automatic switching problem of the circuit is realized, and the transmission circuit is used for modifying parameters of the vehicle detector according to data transmitted by the man-machine interaction equipment, feeding back and monitoring the working state in real time, performing fault self-diagnosis and actively alarming. It should be noted that the device for performing fault diagnosis and alarm on the vehicle inspection device, and related circuits and programs are common technologies in the art, and are not described herein again.
Preferably, the main control chip U1 may adopt a single chip microcomputer with 32 pins.
As a preferable scheme, as shown in fig. 3, a reset circuit is further provided, and the reset circuit includes a key switch S3 and a capacitor C8 connected in parallel, a first parallel end of the reset circuit is connected to the reset pin of the main control chip U1, and a second parallel end of the reset circuit is grounded. The remote reset can be realized, and simultaneously hardware reset is supported, so that reset operation is effectively carried out.
Through the design, the remote human-computer interaction equipment sends an instruction through the main control chip U1, the transmission circuit and the relay circuit control the vehicle detector body, and the real-time working state of the vehicle detector body is fed back through the signal interaction circuit, so that the functions of carrying out frequency modification and soft reset on the vehicle detector, carrying out fault self-diagnosis, actively alarming and the like are realized, the control accuracy of the vehicle detector is improved, and the workload of operators is reduced.
Preferably, the signal interaction circuit comprises a connector J3 connected with the main control chip U1, a plurality of resistors connected with the connector J3, and a plurality of capacitors respectively connected to a power supply end and a ground end, so as to interact with data of the human-computer interaction device and/or other vehicle detectors.
In specific implementation, as shown in fig. 4, the connector J3 is used for realizing data signal interaction, not only performing data interaction with the human-computer interaction device, but also sharing parameters and data with other vehicle inspection devices, and automatically modifying and setting parameters of each vehicle inspection device through the human-computer interaction device, so as to avoid mutual interference of different vehicle inspection devices during operation. The resistors connected with the connector J3 are used for protecting the circuit, and the capacitors respectively connected to the power supply end and the ground end can play a role in filtering so as to eliminate high-frequency noise and ensure the accuracy of data signal transmission. Preferably, the number of the capacitors can be 6, and the number of the resistors can be 8, which are respectively connected between the connector J3 and the main control chip U1.
Preferably, the connector J3 is an IDC gang connector. In specific implementation, 2 x 5P horn straight needle seats can be selected, and the wires are arranged in the same direction through 2 x 5P. The conventional interface wiring generally adopts 1-to-1 terminal type wiring, which is low in efficiency and troublesome in work. Therefore, the connector J3 is set to be a special interface, wiring with external equipment can be greatly simplified through the use of the IDC bus bar connector, and the working efficiency is improved.
Preferably, the vehicle inspection device further comprises a dial indicator light circuit which is respectively electrically connected with the main control chip U1 and the transmission circuit, wherein the dial indicator light circuit comprises a dial switch S1 used for setting parameters of the vehicle inspection device, a dial switch S2 and a plurality of light emitting diodes used for displaying the working state of the vehicle inspection device.
In specific implementation, as shown in fig. 5, the dial indicator light circuit includes a dial switch S1, a dial switch S2, and a plurality of light emitting diodes for displaying the operating state of the vehicle detector, wherein the dial switch S1 and the dial switch S2 are used for setting the parameters of the vehicle detector and changing the operating frequency of the vehicle detector, and can be remotely controlled in the scheme, so that the requirements of the vehicle detector under different working conditions are met.
Preferably, the number of the light emitting diodes is four, each light emitting diode is connected with a +5V power supply end through a resistor, and the four light emitting diodes can correspondingly display power supply indication, operation indication, a route coil working condition indication and a route coil working condition indication. When the power supply is abnormal, the light-emitting diode lamp of the indicating power supply is not on; when the power supply normally runs, the operation indication, the A-coil working condition indication and the B-coil working condition indication are controlled by the main control chip U1, and corresponding lamps are turned on according to corresponding working states.
Preferably, the transmission circuit comprises a connector J4, a connector J5, a connector J6, a connector J7; the connector J4 is electrically connected with the main control chip U1, the dial switch S1 and the dial switch S2 respectively, the connector J5 is electrically connected with the relay circuit, the connector J6 is electrically connected with the main control chip U1 and the transmission signal interaction circuit respectively, and the connector J7 is electrically connected with the main control chip U1 for data transmission of each circuit.
In a specific implementation, as shown in fig. 6, the transmission circuit includes a connector J4, a connector J5, a connector J6, and a connector J7, and mainly functions to complete signal transmission. Meanwhile, in order to save the area of the circuit board, the control module adopts a board dividing technology and is divided into an upper board and a lower board, and the transmission circuits are respectively and electrically connected with other circuits to realize data transmission between the upper board and the lower board.
Preferably, as shown in fig. 7, the relay circuit comprises a chip U2 and four sets of relays connected with the chip U2, wherein the chip U2 is used for converting pulse input of the main control chip U1 into pulse signal output, and the relays are connected with two sets of terminals so as to be connected with the vehicle detector body.
Preferably, the prototype of the chip U2 is a composite transistor array, which can convert the input 5VTTL into a pulse of 500mA/50V for driving the relay to work. Wherein four sets of relays are used in common.
Preferably, the power supply further comprises a voltage stabilizing circuit connected with the input end, the voltage stabilizing circuit comprises a patch rectifier bridge U3, a voltage stabilizing chip U4 and a filter circuit, the patch rectifier bridge U3 is connected with the power supply end through a voltage stabilizing chip U4, and the power supply end is grounded through the filter circuit, so that decoupling and high-frequency noise elimination are achieved.
In specific implementation, as shown in fig. 8, the patch rectifier bridge U3 is used to prevent the polarity of the input power from being reversed, and the voltage regulation chip U4 is capable of regulating the rectified dc voltage to obtain a stable voltage for the control module to use. The filter circuit is mainly formed by connecting a capacitor and an electrolytic capacitor in parallel, can eliminate high-frequency electric waves and noise waves in the circuit, and prevents the high frequency generated by the circuit from influencing the whole situation through a power supply.
Preferably, as shown in fig. 9, the protection circuit connected to the voltage stabilizing circuit further includes a plurality of capacitors connected to the power supply terminal, and a transient diode D9 and a transient diode D8 respectively connected to two ends of the voltage stabilizing chip U4. The high-frequency filter circuit can not only filter and eliminate high-frequency electric waves in the circuit, but also play roles in preventing surge and protecting the circuit, thereby improving the circuit safety of the control module.
The utility model also provides an intelligent vehicle inspection device, which adopts the vehicle inspection device control module. Specifically, the intelligent vehicle inspection device can monitor the real-time working state of the intelligent vehicle inspection device through the remote human-computer interaction equipment; and the system can also share data with other car detectors. When an abnormal fault occurs, the remote human-computer interaction equipment displays fault information and sends fault alarm information to an alarm contact person; in addition, remote resetting, frequency modification, sensitivity modification and the like can be carried out on each intelligent vehicle detector through the remote human-computer interaction equipment, so that the problem of faults is solved, and mutual interference of different vehicle detectors during working is avoided.
In summary, compared with the prior art, the vehicle inspection device control module and the intelligent vehicle inspection device provided by the utility model do not need to periodically manually inspect whether the vehicle inspection device fails or not, and when the vehicle inspection device fails, technicians do not need to go to the site to detect and judge the failure, and then can debug and maintain the vehicle inspection device. Has the following advantages:
the method comprises the following steps that firstly, data of a vehicle detector can be automatically reported to a human-computer interaction device so as to monitor the working state in real time and monitor faults;
secondly, the functions of remote soft reset, remote modification of the frequency of the car detector, debugging of the parameters of the car detector and the like can be performed;
thirdly, fault self-diagnosis can be carried out, the functions of active fault reporting and real-time alarming are realized, and no error exists;
and fourthly, parameters and data can be shared with other intelligent vehicle inspection devices, and the parameters are remotely modified so as to avoid mutual interference of the work of different vehicle inspection devices.
In addition, it will be appreciated by those skilled in the art that, although there may be many problems with the prior art, each embodiment or aspect of the present invention may be improved only in one or several respects, without necessarily simultaneously solving all the technical problems listed in the prior art or in the background. It will be understood by those skilled in the art that nothing in a claim should be taken as a limitation on that claim.
Although terms such as main control chip, signal interaction circuit, transmission circuit, relay circuit, dial indicator light circuit, voltage stabilizing circuit, protection circuit, etc. are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any one or more of the appended limitations; the terms "first," "second," and the like in the description and in the claims, and in the foregoing description and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a car inspection ware control module, control module is used for being connected its characterized in that with car inspection ware body and human-computer interaction equipment communication respectively: the intelligent control system comprises a main control chip U1, a signal interaction circuit, a transmission circuit and a relay circuit; the main control chip U1 is respectively electrically connected with the signal interaction circuit and the transmission circuit and is used for reading and processing data interacted between the human-computer interaction equipment and the vehicle detector body; the transmission circuit is respectively electrically connected with the signal interaction circuit and the relay circuit, and drives the relay to work through data transmission and logic control, so that the transmission circuit is used for modifying vehicle inspection device parameters according to data transmitted by the man-machine interaction device, feeding back and monitoring the working state in real time, performing fault self-diagnosis and actively alarming.
2. The vehicle inspection device control module of claim 1, wherein: the signal interaction circuit comprises a connector J3 connected with the main control chip U1, a plurality of resistors connected with the connector J3, a plurality of capacitors respectively connected with a power supply end and a ground end, and the signal interaction circuit can be used for interacting with data of human-computer interaction equipment and/or other vehicle detectors.
3. The vehicle inspection device control module of claim 2, wherein: the connector J3 is selected as an IDC gang connector.
4. The vehicle inspection device control module of claim 1, wherein: the automobile detector further comprises a dial indicator light circuit which is respectively electrically connected with the main control chip U1 and the transmission circuit, wherein the dial indicator light circuit comprises a dial switch S1 used for setting parameters of the automobile detector, a dial switch S2 and a plurality of light emitting diodes used for displaying the working state of the automobile detector.
5. The vehicle inspection device control module of claim 4, wherein: the transmission circuit comprises a connector J4, a connector J5, a connector J6 and a connector J7; the connector J4 is electrically connected with the main control chip U1, the dial switch S1 and the dial switch S2 respectively, the connector J5 is electrically connected with the relay circuit, the connector J6 is electrically connected with the main control chip U1 and the transmission signal interaction circuit respectively, and the connector J7 is electrically connected with the main control chip U1 for data transmission of each circuit.
6. The vehicle inspection device control module of claim 1, wherein: the relay circuit comprises a chip U2 and four sets of relays connected with the chip U2, wherein the relays are connected with two sets of wiring terminals so as to be connected with the vehicle detector body.
7. The vehicle inspection device control module of claim 1, wherein: the high-frequency noise-eliminating circuit further comprises a voltage stabilizing circuit connected with the input end, the voltage stabilizing circuit comprises a patch rectifier bridge U3, a voltage stabilizing chip U4 and a filter circuit, the patch rectifier bridge U3 is connected with a power supply end through the voltage stabilizing chip U4, and the power supply end is grounded through the filter circuit to eliminate high-frequency noise.
8. The vehicle inspection device control module of claim 7, wherein: the protection circuit comprises a plurality of capacitors connected with a power supply end, and a transient diode D9 and a transient diode D8 which are respectively connected to two ends of a voltage stabilizing chip U4.
9. The vehicle inspection device control module according to any one of claims 1 to 8, wherein: the main control chip U1 is a single chip microcomputer.
10. The utility model provides an intelligence car inspection ware which characterized in that: a vehicle inspection machine control module as claimed in any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220482554.XU CN216871408U (en) | 2022-03-07 | 2022-03-07 | Vehicle inspection device control module and intelligent vehicle inspection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220482554.XU CN216871408U (en) | 2022-03-07 | 2022-03-07 | Vehicle inspection device control module and intelligent vehicle inspection device |
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| CN202220482554.XU Active CN216871408U (en) | 2022-03-07 | 2022-03-07 | Vehicle inspection device control module and intelligent vehicle inspection device |
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