CN101667304A - Charging device and system - Google Patents
Charging device and system Download PDFInfo
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- CN101667304A CN101667304A CN200910092808A CN200910092808A CN101667304A CN 101667304 A CN101667304 A CN 101667304A CN 200910092808 A CN200910092808 A CN 200910092808A CN 200910092808 A CN200910092808 A CN 200910092808A CN 101667304 A CN101667304 A CN 101667304A
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Abstract
The invention discloses a charging device which comprises a control unit, a transmission circuit unit, a receiving circuit unit and an antenna unit. The invention also discloses a charging system which comprises a charging device and an on-board unit. The problem that the charging device provided in the prior art cannot process the two and more simultaneously received signals by adopting the charging device and the charging system is solved.
Description
Technical field
The present invention relates to electronics charging field, especially relate to a kind of counting equipment and a kind of charge system.
Background technology
At present, electronic non-parking charging (Electronic Toll Collection, ETC) system is widely used, the ETC system comprises board units (On Board Unit, OBU) and ETC equipment, but because the asynchronism(-nization) of ETC system is enabled in various places, for different regions, the standard of ETC system is also different, though country proposes and promotes the ETC system of unified GB standard, can be for some have enabled terrestrial reference standard ETC system place more of a specified duration, existing at present a large amount of ETC equipment and OBU uses, therefore, the ETC system of the ETC system of terrestrial reference standard all being replaced by the GB standard can not realize at short notice, for example, the ETC equipment in area, Guangdong has the standard in Guangdong oneself, and about 200 ETC tracks have been arranged at present, more than 20 ten thousand OBU, if more than 20 ten thousand OBU are recalled and change, cost is high, implements the comparison difficulty.
But, different terrestrial reference standards is adopted in different regions, each area is merely able to the OBU signal that meets local terrestrial reference standard is chargeed, but can't handle two kinds and two or more OBU signals receiving simultaneously, can't realize the purpose that the user can interconnect in different regions, when the user who meets a specific landmark standard is entering other whens area, possibly can't realize correct charging.
Summary of the invention
The embodiment of the invention provides a kind of counting equipment, be used for solving counting equipment that prior art mentions and can't handle the problem of two kinds of receiving simultaneously and two or more signal, this equipment comprises control module, radiating circuit unit, antenna element and receiving circuit unit:
Described control module is used to control described radiating circuit unit and alternately produces transmitting of N different frequency transformation period by setting, and described N is not less than 2 positive integer; And, control described antenna element and send and describedly transmit and receive the described corresponding response signal that transmits; Described response signal is generated and sent to described antenna element when receiving described transmit identical with self receive frequency by the board units that is arranged in the vehicle; And, receive the restituted signal of exporting after the described response signal that described receiving circuit unit demodulation receives from described antenna element, according to described restituted signal the board units that sends with described restituted signal corresponding response signal is chargeed;
Described radiating circuit unit is used to accept the control of described control module, alternately produces transmitting of a described N different frequency transformation period by setting, and exports described antenna element to;
Described antenna element is used for from described the transmitting of described radiating circuit unit reception; And, receive described response signal and export described receiving circuit unit to;
Described receiving circuit unit is used to receive the response signal and the demodulation of described antenna element output, exports described restituted signal to described control module.
The embodiment of the invention provides a kind of charge system, is used for solving the problem that counting equipment that prior art mentions can't be handled two kinds of receiving simultaneously and two or more signal, and this system comprises counting equipment, board units:
Described counting equipment is used for alternately producing transmitting and exporting of N different frequency transformation period by setting, and described N is not less than 2 positive integer; And, receive the described corresponding response signal that transmits, the board units of the response signal correspondence that receives is chargeed;
Described board units is arranged in the vehicle, is used for generating described response signal when receiving described the transmitting identical with self receive frequency, and is sent to described counting equipment.
In the counting equipment that the embodiment of the invention provides, the radiating circuit unit can be under the control of accepting control module, alternately produce transmitting of N different frequency transformation period by setting, when one of generation transmits, can not produce the signal with this different frequency that transmits, also just can not be to this interference that transmits;
Further, between central processing unit and baseband processor, added register, through more than one of the restituted signal of receiving circuit unit output the time, baseband processor deposits restituted signal in register successively, central processing unit reads the restituted signal of storage successively, determines corresponding board units according to the restituted signal that reads, and charges, in this example, the application of register can avoid since in time process response signal cause the situation of charging failure;
Further, receiving circuit unit can comprise N class receiving circuit subelement arranged side by side, every class receiving circuit subelement receives a corresponding response signal that transmits in the transmitting of N different frequency of antenna element output, and inhomogeneity receiving circuit subelement receives the corresponding response signals that difference transmits.Every class receiving circuit subelement is fixing to receive a corresponding response signal that transmits, and can solve the problem that the single channel receiving circuit unit can't be handled the corresponding response signal that difference transmits simultaneously;
Further, one class receiving circuit subelement can comprise at least one receiving circuit subelement, if current have the receive frequency of a plurality of board units identical, and pass through counting equipment simultaneously, produce a plurality of response signals, at this moment, at least one receiving circuit subelement can be handled a plurality of response signals simultaneously, can increase substantially processing speed, guarantee the reliability of chargeing;
Further, adopt the numerical control frequency source, can realize the generation in different frequency source by coding, when the numerical control frequency source generates current demand signal, there are not other transmission frequency sources generations other signals except that current demand signal, just do not need to utilize radio-frequency (RF) switch to switch the transmission frequency source yet, can realize avoiding the purpose of the interference of other signals.
Description of drawings
Fig. 1 is the structural representation of the counting equipment that provides of the embodiment of the invention;
Fig. 2 is the structural representation of the control module that provides of the embodiment of the invention;
Fig. 3 is the structural representation of the control module that provides of the embodiment of the invention;
Fig. 4 is the structural representation of the radiating circuit unit that provides of the embodiment of the invention;
Fig. 5 is the structural representation of the receiving circuit unit that provides of the embodiment of the invention;
Fig. 6 is the structural representation of the receiving circuit unit that provides of the embodiment of the invention;
Fig. 7 is the structural representation of the antenna element that provides of the embodiment of the invention;
Fig. 8 be the embodiment of the invention provide N=2 the time the structural representation of counting equipment;
Fig. 9 be the embodiment of the invention provide N=2 the time the structural representation of antenna element;
Figure 10 be the embodiment of the invention provide N=2 the time the concrete structure figure of counting equipment;
Figure 11 is the process flow diagram of the charging process that provides of the embodiment of the invention;
Figure 12 is the process flow diagram of the charging process that provides of the embodiment of the invention;
Figure 13 is the structural representation of the charge system that provides of the embodiment of the invention.
Embodiment
Can't handle the problem of two kinds of receiving simultaneously and two or more signal for solving the counting equipment of mentioning in the prior art, the embodiment of the invention has proposed a kind of counting equipment, concrete structure as shown in Figure 1, comprise control module 11, radiating circuit unit 12, antenna element 13 and receiving circuit unit 14, the function that each unit can be realized is specific as follows:
In the embodiment of the invention, radiating circuit unit 12 can be under the control of accepting control module 11, alternately produce transmitting of N different frequency transformation period by setting, when one of generation transmits, can not produce the signal with this different frequency that transmits, also just can not be to this interference that transmits.
Wherein, setting can be the time of random length transformation period, decides as the case may be when implementing.
In one embodiment, referring to Fig. 2, control module 11 can comprise continuous central processing unit 111 and baseband processor 112, and the function that each parts is finished is specific as follows:
During concrete enforcement,, can adopt high-speed interface to carry out data interaction between central processing unit 111 and the baseband processor 112 for improving the charging speed of counting equipment.
In one embodiment, as shown in Figure 3, control module 11 also can comprise central processing unit 111, register 113 and the baseband processor 112 that links to each other successively, and the function that each parts is finished is specific as follows:
Between central processing unit 111 and baseband processor 112, added register 113, through more than one of the restituted signal of receiving circuit unit 14 output the time, baseband processor 112 deposits restituted signal in register 113 successively, central processing unit 111 reads the restituted signal of storage successively, determine corresponding board units according to the restituted signal that reads, and charge, in this example, the application of register can avoid since in time process response signal cause the situation of charging failure.
In one embodiment, referring to Fig. 4, radiating circuit unit 12 can comprise the numerical control frequency emission source 121 that links to each other successively, wave filter 122, numerical-control attenuator 123 and power amplifier 124, during enforcement, numerical control frequency emission source 121 alternately produces transmitting of N different frequency by setting exchange cycle under the control of control module 11, in this example, owing to adopt numerical control frequency emission source 121, can realize generating the function that transmits of different frequency by coding, when numerical control frequency source 121 generates in the transmitting of N different frequency one, there are not other transmission frequency sources generations other signals except that this transmits, just do not need to utilize radio-frequency (RF) switch to switch the transmission frequency source yet, and then can not have the interference of other signals; Transmitting that numerical control frequency source 121 produces exports antenna element 13 to successively after wave filter 122 filtering, numerical-control attenuator 123 decay and power amplifier 124 processing and amplifying; Because N emission signal frequency difference, the attenuation multiple that needs during modulation is also different, changes the purpose of attenuation multiple with the modulation that adapts to unlike signal for reaching, in this example, numerical-control attenuator 123 links to each other with control module 11, by control module 11 control attenuation multiples.
In one embodiment, referring to 5, receiving circuit unit 14 can comprise N class receiving circuit subelement arranged side by side, be labeled as 141 respectively, 142...14i... is until 14N, i is any positive integer less than N, wherein, every class receiving circuit subelement is used for receiving the corresponding response signal that transmits that transmits through N different frequency of antenna element 13 outputs, and inhomogeneity receiving circuit subelement receives the different corresponding response signals that transmit.In this example, every class receiving circuit subelement is fixing to receive a corresponding response signal that transmits, and can solve the problem that the single channel receiving circuit unit can't be handled the corresponding response signal that difference transmits simultaneously.
During enforcement, any class receiving circuit subelement can comprise at least one receiving circuit subelement, if current have the receive frequency of a plurality of board units identical, and pass through counting equipment simultaneously, produce a plurality of response signals, at this moment, at least one receiving circuit subelement can be handled a plurality of response signals simultaneously, can increase substantially processing speed, guarantee the reliability of chargeing.
For conveniently introducing the structure of receiving circuit subelement, suppose that now a class receiving circuit subelement includes only a receiving circuit subelement, with first kind receiving circuit subelement 141 is that example describes, referring to Fig. 6, this receiving circuit subelement can comprise low noise amplifier 1411, wave filter 1412, frequency mixer 1413, receive frequency source 1414, intermediate-frequency filter 1415, intermediate frequency amplifier 1416 and detuner 1417:
The response signal that is received by low noise amplifier 1411 exports frequency mixer 1413 to after the amplification of low noise amplifier 1411 low noises, wave filter 1412 Filtering Processing, self signal that is sent to frequency mixer 1413 with receive frequency source 1414 mixes, frequency mixer 1413 is with the mixed signal output that generates, successively through intermediate-frequency filter 1415 filtering, intermediate frequency amplifier 1416 amplify and detuner 1417 demodulation after the generating solution tonal signal, and export control module 11 to.If comprise a plurality of receiving circuit subelements in the first kind receiving circuit subelement 141, the structure of each receiving circuit subelement is identical with said structure.
Structure and the first kind receiving circuit subelement 141 of all the other second class to the N class receiving circuit subelement 142...14i...14N are similar, when implementing, in order to receive the different frequency corresponding response signal that transmits respectively, the frequency difference of self signal that receive frequency source in every class receiving circuit subelement produces, the frequency filtering of intermediate-frequency filter is also different.
In one embodiment, antenna element 13 comprises: a first kind radio-frequency (RF) switch 131, N the second class radio-frequency (RF) switch 1321...132i...132N and N antenna 1331...133i...133N, concrete structure as shown in Figure 7:
The signal input part of first kind radio-frequency (RF) switch 131 is connected with radiating circuit unit 12, and signal output part is connected with the signal input part of the second class radio-frequency (RF) switch 13i respectively; Another signal input part of the second class radio-frequency (RF) switch 13i is connected with antenna 133j, signal output part is connected with a class receiving circuit subelement 14m, wherein, i, j, m are any positive integer that is not more than N, for structrual description more succinct and clear, can suppose that i the second class radio-frequency (RF) switch links to each other with i antenna and i class receiving circuit subelement, wherein, each antenna, every class receiving circuit subelement all only are connected with one second class radio-frequency (RF) switch;
Antenna 14i, be used for sending N different frequency i transmit, the frequency difference that transmits that different antennae sends, and, receive i corresponding response signal that transmits;
First kind radio-frequency (RF) switch 131, when being used to receive transmitting that radiating circuit unit 12 sends, the second class radio-frequency (RF) switch 132i through linking to each other with i antenna 13i that transmits of transmission under the control of control module 11 will transmit and send to antenna 13i, export i by antenna 13i and transmit.
Now be that example describes with N=2, concrete structure comprises control module 81, radiating circuit unit 82, antenna element 83, first kind receiving circuit unit 84 and second receiving circuit unit 85 as shown in Figure 8, and the function and the structure of each inside, unit are as indicated above.
In embodiments of the present invention, radiating circuit unit 82 first transmits, second transmits by setting alternately to produce transformation period, first kind receiving circuit unit 84 receives the first corresponding response signal that transmits, and the second class receiving circuit unit 85 receives the second corresponding response signal that transmits.If when first kind receiving circuit unit 84 receives the first corresponding response signal that transmits, the second class receiving circuit unit 85 also receives the second corresponding response signal that transmits, two class receiving circuit units are handled different response signals simultaneously, for single receiving circuit unit, this counting equipment can be handled the corresponding response signal that two kinds of differences receiving transmit simultaneously, avoided single receiving circuit unit can only handle a kind of response signal of reception, the situation that another kind of response signal can't correctly receive, and then can avoid the error that can't charge to another signal that receives that causes because of time-delay.
In like manner, when N＞2, the counting equipment that the embodiment of the invention provides can be handled the corresponding response signal that the multiple difference of reception transmits simultaneously, can avoid the error that can't charge to other signals that receive that causes because of time-delay.
In one embodiment, referring to Fig. 4, comprise the numerical control frequency emission source that links to each other successively in the radiating circuit unit 82, wave filter, numerical-control attenuator and power amplifier, during enforcement, numerical control frequency emission source alternately produces first and transmits by setting transformation period, second transmits, when the numerical control frequency source transmits by coding generation first, there are not other transmission frequency sources generations other signals except that first signal, just do not need to utilize radio-frequency (RF) switch to switch the transmission frequency source yet, and then can not there be an interference of other signals, in like manner, when transmitting, generation second also can not have the interference of other signals; First or second of numerical control frequency source generation transmits and exports antenna element 85 to successively after filter filtering, numerical-control attenuator decay and power amplifier processing and amplifying; Wherein, owing to first transmit and second transmit the frequency difference, the attenuation multiple that needs during modulation is also different, change the purpose of attenuation multiple for reaching with the modulation that adapts to unlike signal, in this example, by the attenuation multiple of control module 81 control numerical-control attenuators.
In like manner, when N＞2, the signal that the counting equipment that the embodiment of the invention provides also can avoid different transmission frequencies source to cause when received signal disturbs.
In one embodiment, referring to Fig. 9, antenna element 83 comprises first antenna 831, second antenna 832 and first kind radio-frequency (RF) switch 833, also comprises two second class radio-frequency (RF) switch, is respectively second, third radio-frequency (RF) switch 834,835:
During enforcement, the signal input part of first kind radio-frequency (RF) switch 833 is connected with radiating circuit unit 82, receives first of radiating circuit unit 82 transmissions and transmits, and outputs to first antenna 831 by the second transmission frequency switch 834; In like manner, receive second of radiating circuit unit 82 transmissions and transmit, output to second antenna 832 by the 3rd transmission frequency switch 835.
In one embodiment, first antenna 831 can be selected left circular polarized antenna, second antenna 832 can be selected right circular polarized antenna, can avoid the interference of transmitt or receive signal to greatest extent according to the characteristic of circular polarized antenna, certainly, first antenna 831 is selected right circular polarized antenna, and it also is feasible that second antenna 832 is selected left circular polarized antenna, specifically decides according to actual conditions.
In one embodiment, when N=2, a kind of more excellent concrete structure of counting equipment as shown in figure 10, the central processing unit 1001 that comprises intercommunication, register 1002, baseband processor 1003, also comprise the numerical control frequency emission source 1004 that links to each other successively, wave filter 1005, numerical-control attenuator 1006, power amplifier 1007, also comprise first radio-frequency (RF) switch 1008, second radio-frequency (RF) switch 1009, the 3rd radio frequency switch 1010, first antenna 1011, second antenna 1012, also comprise first low noise amplifier 1013 of handling the first corresponding response signal that transmits, first wave filter 1014, first frequency mixer 1015, the first receive frequency source 1016, first intermediate-frequency filter 1017, first intermediate frequency amplifier 1018 and first detuner 1019, also comprise second low noise amplifier 1020 of handling the second corresponding response signal that transmits, second wave filter 1021, second frequency mixer 1022, the second receive frequency source 1023, second intermediate-frequency filter 1024, second intermediate frequency amplifier 1025 and second detuner 1026, wherein the concrete annexation of each parts and function with above describe identical.
Easily produce interference and can't handle the problems such as signal that receive two kinds of standards simultaneously for solving the double-standard ETC equipment of mentioning in the prior art, the embodiment of the invention also provides a kind of utilization method that counting equipment as shown in Figure 8 charges, its idiographic flow comprises as shown in figure 11:
Flow process is when implementing as shown in figure 11, there is not ordinal relation between step 1102 and the step 1103, antenna element may receive the first corresponding response signal that transmits earlier, also may receive the second corresponding response signal that transmits earlier, handle according to the order of the response signal that receives.
Flow process as shown in figure 11, step 1101 is when implementing, in order to guarantee that first transmits and second transmit can access timely and send, in one embodiment, the radiating circuit unit can adopt the mode of time-sharing polling to generate first successively and transmit and second transmit, and will transmit by genesis sequence and send to antenna element, export successively via antenna element.
Flow process as shown in figure 11, step 1102 and step 1103 are when implementing, in order to guarantee when receiving the response signal of board units transmission, to avoid interference as far as possible, according to the characteristic of circular polarized antenna, first antenna can be chosen as left circular polarized antenna, and second antenna can be chosen as right circular polarized antenna, certainly, first day right circular polarized antenna of line options, line options left side circular polarized antenna also was feasible in second day, specifically decided according to actual conditions.
For single receiving circuit unit, the charging method that the embodiment of the invention provides can be handled the signal that the OBU of the different systems of reception sends simultaneously, avoided to handle a kind of response signal, another kind of response signal can not get correct situation about receiving, and then has avoided the error that can't charge to another received signal that causes because of time-delay.
Be that example describes with the counting equipment that satisfies Guangdong standard and GB standard now, in this example, the mode of employing time-sharing polling sends the signal of Guangdong standard and GB standard, and specifically treatment scheme is as shown in figure 12:
After step 1205, counting equipment are carried out the demodulation of Guangdong standard to the signal of the Guangdong standard that receives, the OBU of this signal correspondence is chargeed;
Wherein, do not have ordinal relation between step 1201 and the step 1202, double-standard ETC equipment produces the signal of Guangdong standard and GB standard by the mode of time-sharing polling, can produce the signal of Guangdong standard earlier, also can produce the signal of GB standard earlier.
Only be to be example in above-mentioned example, be not limited to this two kinds of standards, in the specific implementation, can be set to different standards according to the actual conditions of locality with Guangdong standard and GB standard.
Based on same inventive concept, the embodiment of the invention also provides a kind of charge system, as shown in figure 13, comprises counting equipment 1301, board units 1302:
In the counting equipment that the embodiment of the invention provides, the radiating circuit unit can be under the control of accepting control module, alternately produce transmitting of N different frequency transformation period by setting, when one of generation transmits, can not produce the signal with this different frequency that transmits, also just can not be to this interference that transmits;
Further, between central processing unit and baseband processor, added register, through more than one of the restituted signal of receiving circuit unit output the time, baseband processor deposits restituted signal in register successively, central processing unit reads the restituted signal of storage successively, determines corresponding board units according to the restituted signal that reads, and charges, in this example, the application of register can avoid since in time process response signal cause the situation of charging failure;
Further, receiving circuit unit can comprise N class receiving circuit subelement arranged side by side, every class receiving circuit subelement receives a corresponding response signal that transmits in the transmitting of N different frequency of antenna element output, and inhomogeneity receiving circuit subelement receives the corresponding response signals that difference transmits.Every class receiving circuit subelement is fixing to receive a corresponding response signal that transmits, and can solve the problem that the single channel receiving circuit unit can't be handled the corresponding response signal that difference transmits simultaneously;
Further, any class receiving circuit subelement can comprise at least one receiving circuit subelement, if current have the receive frequency of a plurality of board units identical, and pass through counting equipment simultaneously, produce a plurality of response signals, at this moment, at least one receiving circuit subelement can be handled a plurality of response signals simultaneously, can increase substantially processing speed, guarantee the reliability of chargeing;
Further, adopt the numerical control frequency source, can realize the generation in different frequency source by coding, when the numerical control frequency source generates current demand signal, there are not other transmission frequency sources generations other signals except that current demand signal, just do not need to utilize radio-frequency (RF) switch to switch the transmission frequency source yet, can realize avoiding the purpose of the interference of other signals.
Obviously, those skilled in the art can carry out various changes and distortion to the present invention and not break away from the spirit and scope of the present invention.Like this, if these modifications of the present invention and distortion belong within claim of the present invention and the equivalent technologies scope thereof, then the present invention also is intended to comprise these changes and is out of shape interior.
Claims (10)
1, a kind of counting equipment is characterized in that, comprises control module, radiating circuit unit, antenna element and receiving circuit unit:
Described control module is used to control described radiating circuit unit and alternately produces transmitting of N different frequency transformation period by setting, and described N is not less than 2 positive integer; And, control described antenna element and send and describedly transmit and receive the described corresponding response signal that transmits; Described response signal is generated and sent to described antenna element when receiving described transmit identical with self receive frequency by the board units that is arranged in the vehicle; And, receive the restituted signal of exporting after the described response signal that described receiving circuit unit demodulation receives from described antenna element, according to described restituted signal the board units that sends with described restituted signal corresponding response signal is chargeed;
Described radiating circuit unit is used to accept the control of described control module, alternately produces transmitting of a described N different frequency transformation period by setting, and exports described antenna element to;
Described antenna element is used for from described the transmitting of described radiating circuit unit reception; And, receive described response signal and export described receiving circuit unit to;
Described receiving circuit unit is used to receive the response signal and the demodulation of described antenna element output, exports described restituted signal to described control module.
2, equipment as claimed in claim 1 is characterized in that, described control module comprises continuous central processing unit and baseband processor:
Described central processing unit, be used to control described baseband processor and produce the described steering order that transmits of the described radiating circuit of control unit generation, described transmitting is one of transmitting of a described N different frequency, and, produce the described antenna element of control and send the described steering order that transmits, and, produce the steering order that the described antenna element of control receives the described corresponding response signal that transmits; And, receive described restituted signal through described baseband processor output;
Described baseband processor, be used for producing the described radiating circuit of the control unit described steering order that transmits of generation and sending to described radiating circuit unit according to the control of described central processing unit, and, producing the described antenna element of control sends the described steering order that transmits and sends to described antenna element, and, produce the described antenna element of control and receive the steering order of the described corresponding response signal that transmits and send to described antenna element; And, receive the described restituted signal of described receiving circuit unit output, and export described central processing unit to.
3, equipment as claimed in claim 1 is characterized in that, described control module comprises central processing unit, register and the baseband processor that links to each other successively:
Described central processing unit, be used to control described baseband processor and produce the described steering order that transmits of the described radiating circuit of control unit generation, described transmitting is one of transmitting of a described N different frequency, and, produce the described antenna element of control and send the described steering order that transmits, and, produce the steering order that the described antenna element of control receives the described corresponding response signal that transmits; And, from described register, read the described restituted signal of storage successively;
Described register is used to store the described restituted signal through described baseband processor output;
Described baseband processor, be used for producing the described radiating circuit of the control unit described steering order that transmits of generation and sending to described radiating circuit unit according to the control of described central processing unit, and, producing the described antenna element of control sends the described steering order that transmits and sends to described antenna element, and, produce the described antenna element of control and receive the steering order of the described corresponding response signal that transmits and send to described antenna element; And, receive the described restituted signal of described receiving circuit unit output, and export described register to.
4, equipment as claimed in claim 1 is characterized in that, described radiating circuit unit comprises numerical control frequency emission source, wave filter, numerical-control attenuator and the power amplifier that links to each other successively:
Described numerical control frequency emission source alternately produces transmitting of N different frequency by setting exchange cycle under the control of described control module, described transmitting exports described antenna element to successively after filter filtering, numerical-control attenuator decay and power amplifier processing and amplifying; Described numerical-control attenuator links to each other with described control module, by described control module control attenuation multiple.
5, equipment as claimed in claim 1 is characterized in that, described receiving circuit unit comprises N class receiving circuit subelement arranged side by side:
Every class receiving circuit subelement is used for receiving the corresponding response signal that transmits that transmits through described N different frequency of described antenna element output, and inhomogeneity receiving circuit subelement receives the different corresponding response signals that transmit.
6, equipment as claimed in claim 5 is characterized in that, described every class receiving circuit subelement comprises at least one receiving circuit subelement.
As claim 5 or 6 described equipment, it is characterized in that 7, described receiving circuit subelement comprises low noise amplifier, wave filter, frequency mixer, receive frequency source, intermediate-frequency filter, intermediate frequency amplifier and detuner:
The response signal that is received by described low noise amplifier is amplified, is exported described frequency mixer to after the filter filtering processing through described low noise amplifier low noise, self signal that is sent to described frequency mixer with described receive frequency source mixes, described frequency mixer is with the mixed signal output that generates, successively through intermediate-frequency filter filtering, intermediate frequency amplifier amplify and the detuner demodulation after the generating solution tonal signal, and export described control module to;
Wherein, the frequency difference of self signal that receive frequency source in every class receiving circuit subelement produces, the frequency filtering difference of intermediate-frequency filter.
8, equipment as claimed in claim 5 is characterized in that, described antenna element comprises: a first kind radio-frequency (RF) switch, and N the second class radio-frequency (RF) switch and N antenna:
The signal input part of described first kind radio-frequency (RF) switch is connected with described radiating circuit unit, and signal output part is connected with a signal input part of each second class radio-frequency (RF) switch respectively; Another signal input part of each second class radio-frequency (RF) switch is connected with an antenna, and signal output part is connected with a class receiving circuit subelement; Each antenna, every class receiving circuit subelement all only are connected with one second class radio-frequency (RF) switch;
Each antenna is used to send one of transmitting of a described N different frequency, the frequency difference that transmits that different antennae sends, and, receive the described corresponding response signal that transmits;
Described first kind radio-frequency (RF) switch, when being used to receive described the transmitting of described radiating circuit unit transmission, under the control of described control module, described transmitting sent to corresponding antenna, by described the transmitting of antenna output of described correspondence through the second class radio-frequency (RF) switch continuous with sending the described antenna that transmits.
9, equipment as claimed in claim 8 is characterized in that, when N equaled 2, described antenna was respectively left circular polarized antenna, right circular polarized antenna.
10, a kind of charge system is characterized in that, comprises counting equipment, board units:
Described counting equipment is used for alternately producing transmitting and exporting of N different frequency transformation period by setting, and described N is not less than 2 positive integer; And, receive the described corresponding response signal that transmits, the board units of the response signal correspondence that receives is chargeed;
Described board units is arranged in the vehicle, is used for generating described response signal when receiving described the transmitting identical with self receive frequency, and is sent to described counting equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910092808A CN101667304A (en) | 2009-09-08 | 2009-09-08 | Charging device and system |
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|---|---|---|---|
| CN200910092808A CN101667304A (en) | 2009-09-08 | 2009-09-08 | Charging device and system |
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| CN101667304A true CN101667304A (en) | 2010-03-10 |
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| CN200910092808A Pending CN101667304A (en) | 2009-09-08 | 2009-09-08 | Charging device and system |
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| CN104766376A (en) * | 2015-02-11 | 2015-07-08 | 四川蜀路通机电设备安装有限公司 | Novel frequency conversion identification system for ETC |
| CN104766377A (en) * | 2015-02-11 | 2015-07-08 | 四川蜀路通机电设备安装有限公司 | Frequency conversion identification system with rapid processing function |
| CN107219396A (en) * | 2016-03-22 | 2017-09-29 | 北京万集科技股份有限公司 | The carrier frequency measuring method and device of DSRC mobile units |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103778673A (en) * | 2013-04-23 | 2014-05-07 | 深圳市金溢科技有限公司 | Electronic communication device, electronic label and electronic non-stop charging system |
| CN103778673B (en) * | 2013-04-23 | 2016-04-27 | 深圳市金溢科技股份有限公司 | Electronic communication device, electronic tag and electronic charging system without parking |
| CN103731178A (en) * | 2013-10-17 | 2014-04-16 | 深圳市金溢科技有限公司 | Road side unit radio frequency control method and related device |
| CN104766376A (en) * | 2015-02-11 | 2015-07-08 | 四川蜀路通机电设备安装有限公司 | Novel frequency conversion identification system for ETC |
| CN104766377A (en) * | 2015-02-11 | 2015-07-08 | 四川蜀路通机电设备安装有限公司 | Frequency conversion identification system with rapid processing function |
| CN107219396A (en) * | 2016-03-22 | 2017-09-29 | 北京万集科技股份有限公司 | The carrier frequency measuring method and device of DSRC mobile units |
| CN114299710A (en) * | 2021-11-24 | 2022-04-08 | 广州市埃特斯通讯设备有限公司 | A method and system for applying ETC to collect traffic flow in expressway service area |
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Application publication date: 20100310 |