CN204559562U - Hand-held set - Google Patents
Hand-held set Download PDFInfo
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- CN204559562U CN204559562U CN201520236601.2U CN201520236601U CN204559562U CN 204559562 U CN204559562 U CN 204559562U CN 201520236601 U CN201520236601 U CN 201520236601U CN 204559562 U CN204559562 U CN 204559562U
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Abstract
The utility model discloses a kind of hand-held set, it comprises main control chip, and the communication module be connected with main control chip.Communication module comprises monitoring module, monitors module and comprises: monitoring antenna, for capturing signal.Amplifier, is connected with monitoring antenna, for amplifying the signal grabbed.Demodulating equipment, is connected with amplifier, for the signal of demodulation input after amplifier amplifies.AD sample circuit, is connected with demodulating equipment, for the signal after demodulation of sampling.And controller, is connected with AD sample circuit, carries out sampling for control AD sample circuit and process the signal after demodulation.And controller is connected alternately with main control chip.Implement the technical solution of the utility model, number can be monitored mutual between RSU and OBU by this hand-held set, thus simplifies monitoring and the analytic process of ETC system, improves operating efficiency.
Description
Technical field
The utility model relates to intelligent transportation field, especially a kind of hand-held set.
Background technology
At present, the equipment carrying out monitoring and analyzing for the agreement of ETC (Electronic Toll Collection) system, data, signal is less, and all need to carry out treatment and analysis by PC, can not off-line working, be unfavorable for monitoring and the analysis of the data in actual application environment.In addition when analyzing certain website RSU (Road Side Unit) effect that is open to traffic bad problems such as () exchange hour length, serious retransmission, need by test OBU (On Board Unit), the index such as transmitting power, percentage modulation duty ratio of continuous adjustment OBU simultaneously judges to cause RSU to be open to traffic the reason of weak effect by audiomonitor, and test process is complicated and inconvenient.In order to solve the problem, the technical program provides a kind of hand-held set with monitor function.
Utility model content
The technical problems to be solved in the utility model is, provides a kind of hand-held set with monitor function.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of hand-held set, comprise main control chip, and the communication module be connected with described main control chip; Described communication module comprises monitoring module; Described monitoring module comprises:
Monitoring antenna, for capturing signal;
Amplifier, is connected with described monitoring antenna, for amplifying the signal grabbed;
Demodulating equipment, is connected with described amplifier, for the signal of demodulation input after described amplifier amplifies;
AD sample circuit, is connected with described demodulating equipment, for the signal after demodulation of sampling; And,
Controller, is connected with described AD sample circuit, carries out sampling for controlling described AD sample circuit and processes the signal after demodulation;
And described controller is connected alternately with described main control chip.
In hand-held set of the present utility model, described demodulating equipment comprises the first radio frequency reception demodulator circuit for demodulation RSU downstream signal, and for the second radio frequency reception demodulator circuit of demodulation OBU upward signal; Described first radio frequency reception demodulator circuit is all connected with described controller with described second radio frequency reception demodulator circuit.
In hand-held set of the present utility model, described AD sample circuit comprises the AD sample circuit be connected with the output of described first radio frequency reception demodulator circuit, and the 2nd AD sample circuit be connected with the output of described second radio frequency reception demodulator circuit.
In hand-held set of the present utility model, described amplifier comprises the first low noise amplifier and the second low noise amplifier, the input of described first low noise amplifier is connected with described monitoring antenna, the output of described first noise amplifier is connected with the input of described first radio frequency reception demodulator circuit with the input of described second low noise amplifier respectively, and the output of described second low noise amplifier is connected with the input of described second radio frequency reception demodulator circuit.
In hand-held set of the present utility model, the monitoring antenna of described monitoring module adopts linear antenna.
In hand-held set of the present utility model, described communication module also comprises for launching the Frame that meets ETC agreement to realize simulating the 5.8GHz transceiver module of upstream data or downlink data, and described 5.8GHz transceiver module is connected with described main control chip; The dual-mode antenna of described 5.8GHz transceiver module adopts dextrorotation circle antenna.
In hand-held set of the present utility model, described communication module also comprises 13.56MHz communication module, any one or more in GPS/ Big Dipper module, wifi/ bluetooth module, 3G communication module.
In hand-held set of the present utility model, described hand-held set also comprises input/output module, and described input/output module comprises LCD module, audio-frequency module, Keysheet module and serial debug interface; Described LCD module is connected to show real time data with described main control chip.
In hand-held set of the present utility model, described hand-held set also comprises the memory module for storing the transaction data listened to, and described memory module is connected alternately with described main control chip.
In hand-held set of the present utility model, described 5.8GHz transceiver module is connected the parameter adjustment realizing sending signal with described main control chip, and it is any one or more that described parameter comprises in transmitting power, percentage modulation duty ratio.
Implement the technical solution of the utility model, at least there is following beneficial effect: in the communication module of this hand-held set, be provided with monitoring module, this monitoring module comprises the monitoring antenna, amplifier, demodulating equipment, AD sample circuit and the controller that connect successively, and this controller is connected alternately with main control chip, number can be monitored mutual between RSU and OBU by this hand-held set, thus simplify monitoring and the analytic process of ETC system, improve operating efficiency.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the monitoring module of hand-held set in an embodiment of the present utility model;
Fig. 2 is the structural representation of the monitoring module of hand-held set in another embodiment of the present utility model;
Fig. 3 is the structural representation of the hand-held set in an embodiment of the present utility model;
Wherein, 10, main control chip; 20, communication module; 30, module is monitored; 31, monitoring antenna; 32, amplifier; 321, the first low noise amplifier; 322, the second low noise amplifier; 33, demodulating equipment; 331, the first radio frequency reception demodulator circuit; 332, the second radio frequency reception demodulator circuit; 34, AD sample circuit; 341, an AD sample circuit; 342, the 2nd AD sample circuit; 35, controller; 40,5.8GHz transceiver module; 50, input/output module; 51, LCD module; 60, memory module.
Embodiment
In order to there be understanding clearly to technical characteristic of the present utility model, object and effect, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Fig. 1 to Fig. 3 shows a kind of hand-held set in the utility model, number can be monitored mutual between RSU and OBU, carried out parsing and graphically intuitively show by this hand-held set, can simulate again RSU and OBU and launch corresponding descending and uplink data frames, and some parameter transmitted can adjust as requested.Namely the utility model provides a kind of hand-held set of energy real-time listening ETC system interaction data.
And the hand-held set in the utility model relates generally to ETC charge field, the association areas such as it can also expand to tunnel bridge charge, multilane freely flows, the networking of bus or train route communication truck
Fig. 1 is the structural representation of the monitoring module of hand-held set in an embodiment of the present utility model.Fig. 2 is the structural representation of the monitoring module of hand-held set in another embodiment of the present utility model.Fig. 3 is the structural representation of the hand-held set in an embodiment of the present utility model.
As shown in the figure, this hand-held set comprises main control chip 10, and the communication module 20 be connected with main control chip 10; Wherein, this communication module 20 comprises monitors module 30, and this monitoring module 30 comprises monitoring antenna 31, amplifier 32, demodulating equipment 33, AD sample circuit 34 and controller 35.
Wherein, monitoring antenna 31 is mainly used in capturing signal.Amplifier 32 is connected with this monitoring antenna 31, and this amplifier 32 is mainly used in amplifying the signal grabbed.Demodulating equipment 33 is connected with this amplifier 32, and this demodulating equipment 33 is mainly used in the signal that demodulation inputs into after amplifier 32 amplifies.AD sample circuit 34 is connected with this demodulating equipment 33, and this AD sample circuit 34 is mainly used in the signal after sampling demodulation.Controller 35 is connected with this AD sample circuit 34, and this controller 35 is mainly used in control AD sample circuit 34 to carry out sampling and signal after processing demodulation.And this controller 35 is connected alternately with main control chip 10, with by monitor module 30 real-time listening to uplink and downlink link data transfer in main control chip 10.
And the data volume monitoring the uplink and downlink link data that module 30 real-time listening arrives is very large, needs to improve efficiency of transmission by a high speed data transfer unit, namely this controller 35 is connected with main control chip 10 by a high speed data transfer unit.Generally, this data transmission unit is be integrated in the high speed data transmission interface on main control chip 10.
Monitor the course of work of module 30: this monitoring module 30 captures air-data by monitoring antenna 31, amplifies rear input demodulating equipment 33 by amplifier 32.After demodulating equipment 33 demodulation, controller 35 control AD sample circuit 34 is sampled the baseband signal after demodulation.This monitoring module 30 can capture uplink and downlink link signal simultaneously, and after the data after being transformed by AD sample circuit 34 are processed by controller 35, the main control chip 10 sending to high speed data transfer to control.
Wherein, concrete data processing comprises: judge that whether Frame is effective, namely by judging the CRC cyclic redundancy check (CRC) code of receiving data frames, be a kind of error check code the most frequently used in data communication field, in ETC system, mainly can judge that whether Frame is effective by GB CRC standard or Beijing CRC standard.
To sum up, be provided with in the communication module 20 of this hand-held set and monitor module 30, this monitoring module 30 comprises the monitoring antenna 31, amplifier 32, demodulating equipment 33, AD sample circuit 34 and the controller 35 that connect successively, and this controller 35 is connected alternately with main control chip 10, number can be monitored mutual between RSU and OBU by this hand-held set, thus simplify monitoring and the analytic process of ETC system, improve operating efficiency.
As shown in Figure 2, this demodulating equipment 33 can comprise the first radio frequency reception demodulator circuit 331 for demodulation RSU downstream signal, and for the second radio frequency reception demodulator circuit 332 of demodulation OBU upward signal; First radio frequency reception demodulator circuit 331 is all connected with controller 35 with the second radio frequency reception demodulator circuit 332.Then the monitoring module 30 of this hand-held set comprises two groups of radio frequency reception demodulator circuits, such that this hand-held set can be monitored simultaneously, demodulation OBU is up and RSU downstream signal.And in practical operation, the main control chip 10 by hand-held set controls and selects monitor channel: 0 channel or 1 channel.
Further, this AD sample circuit 34 can comprise the AD sample circuit 341 be connected with the output of the first radio frequency reception demodulator circuit 331, and the 2nd AD sample circuit 342 be connected with the output of the second radio frequency reception demodulator circuit 332.The monitoring module 30 of this namely corresponding above-mentioned hand-held set comprises two groups of radio frequency reception demodulator circuits, can comprise two groups of AD sample circuits in the monitoring module 30 of this hand-held set.
Further, this amplifier 32 can comprise the first low noise amplifier 321 and the second low noise amplifier 322, concrete, consult Fig. 2, the input of the first low noise amplifier 321 is connected with monitoring antenna 31, the output of the first noise amplifier 32 is connected with the input of the first radio frequency reception demodulator circuit 331 with the input of the second low noise amplifier 322 respectively, and the output of the second low noise amplifier 322 is connected with the input of the second radio frequency reception demodulator circuit 332.Certainly, after this first low noise amplifier 321 and the second low noise amplifier 322 also can be connected with the first radio frequency reception demodulator circuit 331 and the second radio frequency reception demodulator circuit 332 respectively, then parallel connection is connected with monitoring antenna 31.
In addition, it should be noted that, the monitoring antenna 31 of above-mentioned monitoring module 30 preferably adopts linear antenna.Certainly, the monitoring antenna 31 of this monitoring module 30 can also adopt other common antennas, all in protection range of the present utility model.
As shown in Figure 3, this communication module 20 also comprises for launching the Frame that meets ETC agreement to realize simulating the 5.8GHz transceiver module 40 of upstream data or downlink data, and this 5.8GHz transceiver module 40 is connected with main control chip 10.Then this hand-held set is simulated OBU or RSU by main control chip 10 control 5.8GHz transceiver module 40 and is launched corresponding upstream or downstream signal.
And the process of this analog transmissions can be carried out with above-mentioned snoop procedure simultaneously, monitoring module 30 in the communication module 20 of i.e. this hand-held set and 5.8GHz transceiver module 40 can work simultaneously, namely this hand-held set by main control chip 10 control radio-frequency module simulation OBU or RSU launch corresponding upstream or downstream signal, capture the downlink or uplink data of tested RSU or OBU transmitting by monitoring module 30, whether analytical equipment state is abnormal simultaneously.
Further, this 5.8GHz transceiver module 40 is connected the parameter adjustment realizing sending signal with main control chip 10, and wherein, it is any one or more that this parameter comprises in transmitting power, percentage modulation duty ratio.
It should be noted that, the dual-mode antenna of above-mentioned 5.8GHz transceiver module 40 preferably adopts dextrorotation circle antenna.Certainly, the dual-mode antenna of this 5.8GHz transceiver module 40 can also adopt other common antennas, all in protection range of the present utility model.
In addition, in certain embodiments, what communication module 20 also can comprise in 13.56MHz communication module 20, GPS/ Big Dipper module, wifi/ bluetooth module, 3G communication module 20 is any one or more.
As shown in Figure 3, this hand-held set also comprises input/output module 50.Wherein, the LCD module 51 of input/output module 50 is connected to show real time data with main control chip 10.This LCD module 51 is generally electric capacity display screen.Then the main control chip 10 of this hand-held set is by from after monitoring the data processing that receives of module 30, can directly be shown by LCD module 51, and displaying contents includes but not limited to the waveform, Frame etc. of demodulation.Thus the monitoring module 30 that this hand-held set carries can capture aerial transaction data and carry out real-time parsing and display by this LCD module 51, without the need to connecting PC, further increasing the monitoring of ETC system and the convenience of analytic process.
Wherein, concrete data processing comprises: resolve effective Frame according to ETC agreement, and shows the information of necessity, include but not limited to data frame type, parsing data, time of reception, whether be retransmit frames etc.
In addition, in certain embodiments, this input/output module 50 also can comprise audio-frequency module, Keysheet module and serial debug interface.
As shown in Figure 3, hand-held set also comprises the memory module 60 for storing the transaction data listened to, and memory module 60 is connected alternately with main control chip 10.This memory module 60 can store the transaction data or other data that this monitoring module 30 listens to, and can recall at any time and check or derived by data transmission interface.Generally, the limited data storage capacity of this hand-held set, the preferred mode covering storage that adopts carries out data storage.Certainly, this hand-held set can also adopt other common storage modes, all in protection range of the present utility model.
In certain embodiments, this hand-held set is except comprising above-mentioned each functional module, and this hand-held set also comprises power module and PSAM module.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various change, combination and change.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within right of the present utility model.
Claims (10)
1. a hand-held set, comprises main control chip (10), and the communication module (20) be connected with described main control chip (10); It is characterized in that, described communication module (20) comprises monitors module (30); Described monitoring module (30) comprising:
Monitoring antenna (31), for capturing signal;
Amplifier (32), is connected with described monitoring antenna (31), for amplifying the signal grabbed;
Demodulating equipment (33), is connected with described amplifier (32), for the signal of demodulation input after described amplifier (32) amplifies;
AD sample circuit (34), is connected with described demodulating equipment (33), for the signal after demodulation of sampling; And,
Controller (35), is connected with described AD sample circuit (34), carries out sampling for controlling described AD sample circuit (34) and processes the signal after demodulation;
And described controller (35) is connected alternately with described main control chip (10).
2. hand-held set according to claim 1, it is characterized in that, described demodulating equipment (33) comprises the first radio frequency reception demodulator circuit (331) for demodulation RSU downstream signal, and for the second radio frequency reception demodulator circuit (332) of demodulation OBU upward signal; Described first radio frequency reception demodulator circuit (331) is all connected with described controller (35) with described second radio frequency reception demodulator circuit (332).
3. hand-held set according to claim 2, it is characterized in that, described AD sample circuit (34) comprises the AD sample circuit (341) be connected with the output of described first radio frequency reception demodulator circuit (331), and the 2nd AD sample circuit (342) be connected with the output of described second radio frequency reception demodulator circuit (332).
4. hand-held set according to claim 2, it is characterized in that, described amplifier (32) comprises the first low noise amplifier (321) and the second low noise amplifier (322), the input of described first low noise amplifier (321) is connected with described monitoring antenna (31), the output of described first noise amplifier (32) is connected with the input of described first radio frequency reception demodulator circuit (331) with the input of described second low noise amplifier (322) respectively, the output of described second low noise amplifier (322) is connected with the input of described second radio frequency reception demodulator circuit (332).
5. the hand-held set according to any one of Claims 1-4, is characterized in that, the monitoring antenna (31) of described monitoring module (30) adopts linear antenna.
6. hand-held set according to claim 5, it is characterized in that, described communication module (20) also comprises for launching the Frame that meets ETC agreement to realize simulating the 5.8GHz transceiver module (40) of upstream data or downlink data, and described 5.8GHz transceiver module (40) is connected with described main control chip (10); The dual-mode antenna of described 5.8GHz transceiver module (40) adopts dextrorotation circle antenna.
7. hand-held set according to claim 5, is characterized in that, described communication module (20) also comprises 13.56MHz communication module (20), any one or more in GPS/ Big Dipper module, wifi/ bluetooth module, 3G communication module (20).
8. hand-held set according to claim 5, is characterized in that, described hand-held set also comprises input/output module (50), and described input/output module (50) comprises LCD module (51), audio-frequency module, Keysheet module and serial debug interface; Described LCD module (51) is connected to show real time data with described main control chip (10).
9. hand-held set according to claim 5, is characterized in that, described hand-held set also comprises the memory module (60) for storing the transaction data listened to, and described memory module (60) is connected alternately with described main control chip (10).
10. hand-held set according to claim 6, it is characterized in that, described 5.8GHz transceiver module (40) is connected the parameter adjustment realizing sending signal with described main control chip (10), it is any one or more that described parameter comprises in transmitting power, percentage modulation duty ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236601.2U CN204559562U (en) | 2015-04-17 | 2015-04-17 | Hand-held set |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236601.2U CN204559562U (en) | 2015-04-17 | 2015-04-17 | Hand-held set |
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| CN204559562U true CN204559562U (en) | 2015-08-12 |
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| CN201520236601.2U Active CN204559562U (en) | 2015-04-17 | 2015-04-17 | Hand-held set |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199997A (en) * | 2017-12-25 | 2018-06-22 | 深圳市金溢科技股份有限公司 | A kind of OBU signal analysis methods and system |
| CN111479251A (en) * | 2020-04-10 | 2020-07-31 | 昆明理工大学 | Method and system for setting and monitoring hydrological RTU (remote terminal Unit) parameters by adopting mobile terminal |
| CN112132985A (en) * | 2020-09-08 | 2020-12-25 | 北京中交国通智能交通系统技术有限公司 | Active data acquisition device of electronic toll collection equipment |
| CN113258948A (en) * | 2021-03-29 | 2021-08-13 | 北京云星宇交通科技股份有限公司 | Grabbing device and method for ETC (electronic toll Collection) aerial radio-frequency signals |
-
2015
- 2015-04-17 CN CN201520236601.2U patent/CN204559562U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108199997A (en) * | 2017-12-25 | 2018-06-22 | 深圳市金溢科技股份有限公司 | A kind of OBU signal analysis methods and system |
| CN108199997B (en) * | 2017-12-25 | 2021-08-17 | 深圳市金溢科技股份有限公司 | OBU signal analysis method and system |
| CN111479251A (en) * | 2020-04-10 | 2020-07-31 | 昆明理工大学 | Method and system for setting and monitoring hydrological RTU (remote terminal Unit) parameters by adopting mobile terminal |
| CN112132985A (en) * | 2020-09-08 | 2020-12-25 | 北京中交国通智能交通系统技术有限公司 | Active data acquisition device of electronic toll collection equipment |
| CN113258948A (en) * | 2021-03-29 | 2021-08-13 | 北京云星宇交通科技股份有限公司 | Grabbing device and method for ETC (electronic toll Collection) aerial radio-frequency signals |
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