CN212809265U - Vehicle identification all-in-one machine based on electronic tags of shared parking place system - Google Patents
Vehicle identification all-in-one machine based on electronic tags of shared parking place system Download PDFInfo
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- CN212809265U CN212809265U CN202022132629.5U CN202022132629U CN212809265U CN 212809265 U CN212809265 U CN 212809265U CN 202022132629 U CN202022132629 U CN 202022132629U CN 212809265 U CN212809265 U CN 212809265U
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Abstract
The utility model discloses a vehicle identification all-in-one machine based on electronic tags of a shared parking space system, which is characterized by comprising an identification terminal, wherein the identification terminal is fixedly provided with a reading antenna for receiving electronic tag signals, a pcb mainboard for identifying the electronic tag signals and a power supply module, the pcb mainboard is provided with an external output interface, and the power supply module is connected with a charging connector; the system comprises a shared parking space system vehicle, and is characterized by further comprising an identification electronic tag and a check electronic tag which are matched with the identification terminal, wherein the identification electronic tag is used for storing identification codes, the identification codes are configured to be uniquely corresponding to the frame numbers of the vehicles of the shared parking space system, the check electronic tag is used for storing check codes, and the check codes are configured to be uniquely corresponding to the identification codes. The utility model discloses even if also can be well to signal filtering under the condition of more signal noise.
Description
Technical Field
The utility model relates to a vehicle identification field specifically is vehicle identification all-in-one based on sharing parking stall system electronic tags.
Background
In the prior art, a multifunctional vehicle identification and management all-in-one machine, as disclosed in chinese utility model patent CN201721022395.0, includes a box body, a controller, an RFID reader-writer and a power module which are arranged inside the box body, a high definition digital camera which is arranged on the top of the box body, and a display screen which is arranged on the outer surface of the box body; the RFID reader-writer is connected with the controller and used for reading the RFID electronic tag on the vehicle so as to acquire vehicle information and sending the acquired vehicle information to the controller; the high-definition digital camera is connected with the controller and is used for shooting a vehicle license plate image, identifying a vehicle license plate number from the vehicle license plate image and transmitting the vehicle license plate number information to the controller; the display screen is connected with the controller and is used for displaying the vehicle information and the vehicle license plate information received by the controller; the controller is connected with an upper computer in which data information is stored, and is used for sending the received vehicle information and the vehicle license plate number information to the upper computer and inquiring and comparing the vehicle information and the vehicle license plate number information through the upper computer; the system is used for receiving control information sent by an upper computer; the controller is connected with the gate control device and/or the external linkage system and used for controlling the working state of the gate control device and/or the external linkage system according to the control information sent by the upper computer. The main basic principle of such a prior art device for vehicle identification is that an RFID electronic tag and a corresponding reader are used for vehicle identification, and assisted by using a camera to acquire an image for identification, wherein the main problems are 1, in the existing electronic tag identification, if the number of electronic tags is large (such as a vehicle waiting for identification is queuing), signal interference is easily generated among a plurality of electronic tags, so that the radio signal collected by the reader has more signal noise, and if the electronic tag of the identified vehicle happens to be damaged, the reader may read the electronic tags of other vehicles to cause misreading. 2. In the prior art, because the identification accuracy of a single electronic tag is not high enough, image identification is required and an upper computer is configured to operate and identify the electronic tag, the cost is high and the operation and control are complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to the not enough among the above-mentioned prior art, provide the vehicle discernment all-in-one based on sharing parking stall system electronic tags.
The utility model discloses a following technical scheme realizes above-mentioned purpose: the integrated vehicle identification machine based on the electronic tag of the shared parking place system comprises an identification terminal, wherein a reading antenna for receiving an electronic tag signal, a pcb mainboard for identifying the electronic tag signal and a power supply module are fixedly arranged on the identification terminal, an external output interface is arranged on the pcb mainboard, and a charging connector is connected to the power supply module; the system comprises a shared parking space system vehicle, and is characterized by further comprising an identification electronic tag and a check electronic tag which are matched with the identification terminal, wherein the identification electronic tag is used for storing identification codes, the identification codes are configured to be uniquely corresponding to the frame numbers of the vehicles of the shared parking space system, the check electronic tag is used for storing check codes, and the check codes are configured to be uniquely corresponding to the identification codes.
Furthermore, a control circuit, a power detection circuit, a power amplifier circuit, a modulation and demodulation circuit and an analog-to-digital conversion circuit are configured on the pcb mainboard, a power supply circuit is arranged on the power module, an external output interface circuit is arranged on the external output interface, a power supply line is led out from the power supply circuit and is respectively and electrically connected with the control circuit, the power detection circuit, the power amplifier circuit, the modulation and demodulation circuit and the analog-to-digital conversion circuit, the reading antenna, the power amplifier circuit, the modulation and demodulation circuit, the analog-to-digital conversion circuit and the control circuit are sequentially and electrically connected, the reading antenna, the power detection circuit and the control circuit are sequentially and electrically connected, and the control circuit is electrically connected with the external output interface circuit; the identification electronic tag is also provided with a storage chip and an antenna which are electrically connected; the checking electronic tag is also provided with a storage chip and an antenna which are electrically connected; the antenna of the identification electronic tag/the antenna of the verification electronic tag are electrically connected with the reading antenna through radio when in application.
Further, the memory chip on the identification electronic tag is configured to store the identification code, and the memory chip on the verification electronic tag is configured to store the verification code.
Furthermore, the control circuit adopts an fpga control chip.
Furthermore, the power detection circuit adopts a current detection circuit.
Further, the power detection circuit employs a configured relay circuit.
The beneficial effects of the utility model reside in that:
the utility model discloses beneficial effect including: the utility model discloses even if also can filter the signal well under the condition of more signal noise to in addition and just can indicate early warning signal or pause discernment after reading the unable discernment of a set of identification code of ware and check code under the condition that the vehicle electronic tags who is discerned damaged just in addition, avoid the condition of misreading. Specifically, the power detection circuit can filter the originally interfered signal, and avoid the interference of other electronic tags to the signal. Specifically, the fpga control chip is adopted to exert strong parallel processing capacity, so that the use of an upper computer can be omitted, the control efficiency of the circuit is increased, and the cost is reduced. The utility model provides a problem 1 and 2 among the background art.
Drawings
The technical solution of the present invention is further described in detail by the accompanying drawings and examples.
FIG. 1 is a schematic structural view of an embodiment of the present invention;
fig. 2 is a schematic diagram of a planar structure of an electronic tag and a verification electronic tag according to an embodiment of the present invention;
fig. 3 is a block diagram of the circuit connection according to the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
in specific implementation, as shown in fig. 1-2, an embodiment of the present invention includes an identification terminal 1, wherein the identification terminal 1 is fixedly provided with a reading antenna 2 for receiving an electronic tag signal, a pcb motherboard 3 for identifying the electronic tag signal, and a power module 4, the pcb motherboard 3 is provided with an external output interface 8, and the power module 4 is connected with a charging connector 5; the system further comprises an identification electronic tag 61 and a verification electronic tag 62 which are matched with the identification terminal, wherein the identification electronic tag 61 is used for storing identification codes, the identification codes are configured to be uniquely corresponding to the frame numbers of the vehicles of the shared parking space system, the verification electronic tag 62 is used for storing verification codes, and the verification codes are configured to be uniquely corresponding to the identification codes; in the implementation, discernment electronic tags 61 and check-up electronic tags 62 all dispose on car 7, be close to when car 7 the utility model discloses a read behind antenna 2, read the signal of antenna 2 to the radiation inquiry, discernment electronic tags 61 and check-up electronic tags 62 all are after receiving the signal of inquiry the code signal that external radiation self carried, discernment electronic tags 61 storage identification code wherein, the frame number that the discernment code was disposed and shared parking stall system vehicle is unique to be corresponded, check-up electronic tags 62 storage check-up code wherein, the check-up code is disposed and is corresponded with the discernment code is unique, read antenna 2 in the implementation and can be handled and finally discern corresponding car whether the car that shared parking stall system binds by pcb mainboard 3 after obtaining the discernment code and obtaining the check-up code that corresponds with it. Even under the condition of more signal noise, the signal can be well filtered, and in addition, if the identified vehicle electronic tag is just damaged, the reader can prompt an early warning signal or suspend identification after being incapable of identifying a group of identification codes and check codes, so that the condition of misreading is avoided.
As shown in fig. 3, the pcb motherboard 3 is configured with a control circuit, a power detection circuit, a power amplifier circuit, a modem circuit and an analog-to-digital conversion circuit, the power module 4 is provided with a power supply circuit, the external output interface 8 is provided with an external output interface circuit, the power supply circuit leads out a power supply line and is electrically connected with the control circuit, the power detection circuit, the power amplifier circuit, the modem circuit and the analog-to-digital conversion circuit respectively, the reading antenna 2, the power amplifier circuit, the modem circuit, the analog-to-digital conversion circuit and the control circuit are electrically connected in sequence, the reading antenna 2, the power detection circuit and the control circuit are electrically connected in sequence, and the control circuit is electrically connected with the external output interface circuit; the identification electronic tag 61 is further provided with a memory chip 611 and an antenna 612 which are electrically connected; the verifying electronic tag 62 is further provided with a memory chip 621 and an antenna 622 which are electrically connected; the antenna 612 of the identification electronic tag 61/the antenna 622 of the verification electronic tag 62 are electrically connected with the reading antenna 2 by radio when in use; in this embodiment, the memory chip 621 of the identification electronic tag 61 is configured to store an identification code, and the memory chip 622 of the verification electronic tag 62 is configured to store a verification code; the identification code or check code in the memory chip of the identification electronic tag 61/check electronic tag 62 radiates outwards in the form of radio signal, after the reading antenna 2 receives the corresponding radio signal, one path of signal firstly passes through the power detection circuit and then reaches the control circuit, the other path of signal passes through the power amplification circuit, the modulation and demodulation circuit, the analog-to-digital conversion circuit and the control circuit in sequence and is output through the external output interface circuit, in the implementation, the power detection circuit firstly detects the power of the signal reaching the reading antenna 2, only the power of the radiation signal of the electronic tag closest to the reading antenna 2 is the maximum in the implementation, so the power detection circuit can feed back the test signal of the maximum power to the control circuit in real time, and the control circuit can judge a group of code streams with the maximum power in all time sequences flowing in by the analog-to-digital conversion circuit in a certain period, and further, other code streams are filtered, so in implementation, the setting of the power detection circuit can filter the original interference signal (not the signal with the maximum power), and the interference of other electronic tags to the signal is also avoided.
In the implementation, the control circuit adopts an fpga control chip, the fpga is a product further developed on the basis of programmable devices such as PAL and GAL, and the fpga control chip naturally has stronger parallel processing capacity, and the use of an upper computer can be omitted in the implementation, so that the control efficiency of the circuit is increased, and the cost is reduced.
The power detection circuit adopts a current detection circuit or the power detection circuit adopts a configured relay circuit, the input control end of the current detection circuit/the configured relay circuit is connected with the reading antenna 2 in the implementation, the output end of the current detection circuit/the configured relay circuit is connected with the control circuit (for example, the control circuit is an fpga control chip and is electrically connected with a signal receiving pin of the fpga control chip), for example, the current detection circuit/the configured relay circuit is configured in the implementation, and the output end of the current detection circuit/the configured relay circuit outputs a level signal to the control circuit only when the output signal of the reading antenna 2 received by the current detection circuit/the configured relay circuit reaches a threshold value. In the specific implementation, the current of the circuit detected by the power detection circuit can directly represent the corresponding power, and the two are in positive correlation, the identification code or the check code in the storage chip of the identification electronic tag 61/the check electronic tag 62 firstly radiates outwards in the form of a radio signal, after the reading antenna 2 receives the corresponding radio signal, one path of signal firstly passes through the current detection circuit/the configured relay circuit and then reaches the fpga control chip, the other path of signal passes through the power amplifier circuit, the modulation and demodulation circuit, the analog-to-digital conversion circuit and the fpga control chip in sequence and is output through the external output interface circuit, in the implementation, the current detection circuit/the configured relay circuit firstly detects the power of the signal reaching the reading antenna 2, and only the power of the radiation signal of the electronic tag closest to the reading antenna 2 is the maximum in the implementation, therefore, the current detection circuit/the configured relay circuit can feed back a test signal with the maximum power to the fpga control chip in real time, so that the fpga control chip can judge a group of code streams with the maximum power in all time sequence code streams flowing in from the analog-to-digital conversion circuit in a certain period, and further filter out other code streams, therefore, in the implementation, the setting of the current detection circuit/the configured relay circuit can filter original interference signals (signals with the maximum power are not) and avoid the interference of other electronic tags on the signals.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (6)
1. A vehicle identification all-in-one machine based on an electronic tag of a shared parking place system is characterized by comprising an identification terminal, wherein a reading antenna for receiving an electronic tag signal, a pcb mainboard for identifying the electronic tag signal and a power supply module are fixedly arranged on the identification terminal; the system comprises a shared parking space system vehicle, and is characterized by further comprising an identification electronic tag and a check electronic tag which are matched with the identification terminal, wherein the identification electronic tag is used for storing identification codes, the identification codes are configured to be uniquely corresponding to the frame numbers of the vehicles of the shared parking space system, the check electronic tag is used for storing check codes, and the check codes are configured to be uniquely corresponding to the identification codes.
2. The integrated vehicle identification machine based on the electronic tag of the shared parking space system according to claim 1, wherein a control circuit, a power detection circuit, a power amplifier circuit, a modulation and demodulation circuit and an analog-to-digital conversion circuit are configured on the pcb motherboard, a power supply circuit is arranged on the power module, an external output interface circuit is arranged on the external output interface, the power supply circuit leads out a power supply line and is electrically connected with the control circuit, the power detection circuit, the power amplifier circuit, the modulation and demodulation circuit and the analog-to-digital conversion circuit respectively, the reading antenna, the power amplifier circuit, the modulation and demodulation circuit, the analog-to-digital conversion circuit and the control circuit are electrically connected in sequence, the reading antenna, the power detection circuit and the control circuit are electrically connected in sequence, and the control circuit is electrically connected with the external output interface circuit; the identification electronic tag is also provided with a storage chip and an antenna which are electrically connected; the checking electronic tag is also provided with a storage chip and an antenna which are electrically connected; the antenna of the identification electronic tag/the antenna of the verification electronic tag are electrically connected with the reading antenna through radio when in application.
3. The integrated vehicle identification machine based on the electronic tag of the shared parking space system as claimed in claim 2, wherein,
the memory chip on the identification electronic tag is configured and stored with identification codes, and the memory chip on the verification electronic tag is configured and stored with verification codes.
4. The integrated vehicle identification machine based on the electronic tag of the shared parking space system according to claim 2, wherein the control circuit adopts an fpga control chip.
5. The integrated vehicle identification machine based on the electronic tag of the shared parking space system according to claim 2, wherein the power detection circuit adopts a current detection circuit.
6. The integrated vehicle identification machine based on the electronic tag of the shared parking space system as claimed in claim 2, wherein the power detection circuit adopts a configured relay circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022132629.5U CN212809265U (en) | 2020-09-25 | 2020-09-25 | Vehicle identification all-in-one machine based on electronic tags of shared parking place system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022132629.5U CN212809265U (en) | 2020-09-25 | 2020-09-25 | Vehicle identification all-in-one machine based on electronic tags of shared parking place system |
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| Publication Number | Publication Date |
|---|---|
| CN212809265U true CN212809265U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022132629.5U Active CN212809265U (en) | 2020-09-25 | 2020-09-25 | Vehicle identification all-in-one machine based on electronic tags of shared parking place system |
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| CN (1) | CN212809265U (en) |
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- 2020-09-25 CN CN202022132629.5U patent/CN212809265U/en active Active
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