CN101398946B - Parking meter emitting set - Google Patents
Parking meter emitting set Download PDFInfo
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- CN101398946B CN101398946B CN2007101236350A CN200710123635A CN101398946B CN 101398946 B CN101398946 B CN 101398946B CN 2007101236350 A CN2007101236350 A CN 2007101236350A CN 200710123635 A CN200710123635 A CN 200710123635A CN 101398946 B CN101398946 B CN 101398946B
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- 230000005540 biological transmission Effects 0.000 abstract description 6
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- 239000003990 capacitor Substances 0.000 description 8
- 230000006378 damage Effects 0.000 description 3
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Abstract
A parking meter emission device comprises a shell which is provided with an infrared emission tube for emitting infrared beam; the shell is internally provided with a drive circuit which is connected to the infrared emission tube and is used for driving the infrared emission tube; the drive circuit comprises a controller and a carrier oscillator, wherein, the controller is used for outputting a data signal, and the carrier oscillator is used for generating a carrier signal and converting the data signal into a modulation signal. Meter data transmission between the parking meter emission device and an infrared hand-held set is carried by infrared communication; the parking meter emission device is convenient, does not need reserving a jacket for connection, and has high reliability.
Description
Technical field
The parking cateye field that the present invention relates to charge relates in particular to a kind of parking cateye emitting set that adopts infrared emission.
Background technology
Raising along with expanding economy and people's living standard, automobile begins to enter in a large number average family, become people's clothing, food, live, the important component part of row, and in order effectively to solve the orderly parking problem of automobile in the public place, usually delimit the Parking Stall in certain zone by administrative authority, on each Parking Stall next door a Car park payment Parking Meter is installed and is managed automatically.And present Car park payment Parking Meter does not generally have real-time combined network communication function, car parking department can only pass through data card, earlier the data in the Parking Meter are downloaded in the data card, again by data card with data transmission to Parking Meter management company computer, handle concentrating the Car park payment data of gathering by the background process software in the computer, analyze the parking condition of zones of different, perhaps carry laptop computer by the staff, mode by laptop computer and Parking Meter line downloads to the data on the Parking Meter in the laptop computer, and then relies on the parking condition of concentrating the Car park payment data analysis zones of different of gathering.Yet the mode of the data download of dependence data card and Parking Meter line is subjected to the little restriction of data card capacity, can not satisfy the needs that Duo Tai Parking Meter data are downloaded; And, be connected if carry out circuit with the Parking Meter, need on the Parking Meter to reserve the jack that line is used, and this jack is easily by artificial destruction, and then reduces the security of Parking Meter; In addition,, need the staff to carry laptop computer if adopt the laptop computer data download, very inconvenient, and the use of laptop computer also is subjected to the restriction of reserve battery power-on time, uses also inconvenient.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of reliability height, parking cateye emitting set easy to use.
Goal of the invention of the present invention is achieved through the following technical solutions:
A kind of parking cateye emitting set, comprise shell, described shell is provided with the infrared transmitting tube that is used to launch infrared beam, the driving circuit that is used to drive described infrared transmitting tube that is connected in described infrared transmitting tube is installed in the described shell, and described driving circuit comprises controller and carrier oscillator.Wherein, controller is used for outputting data signals.Carrier oscillator is used to produce carrier signal, and converts described data-signal to modulation signal; Described driving circuit also comprises the phase inverter that is connected between described controller and the carrier oscillator, is used for received signal is carried out shaping and anti-phase; Adopt phase inverter to help reducing the energy consumption of parking cateye emitting set.
Above-mentioned parking cateye emitting set, wherein: described driving circuit also comprises the amplifier that is connected in described carrier oscillator, is used to amplify the signal after the modulation; Adopt amplifier can improve the driving force of parking cateye emitting set, make need the data that transmit through the emission energy of infrared transmitting tube transmit farther.
Above-mentioned parking cateye emitting set, wherein: described carrier oscillator comprises first Sheffer stroke gate, second Sheffer stroke gate, first resistance, second resistance and electric capacity.First Sheffer stroke gate comprises the first input pin, second input pin and the output connecting pin, and wherein, the described first input pin is used for received signal.Second Sheffer stroke gate comprises the first input pin, second input pin and the output connecting pin, and wherein, the first input pin of described second Sheffer stroke gate is connected in its second input pin, and is connected in the output connecting pin of described first Sheffer stroke gate jointly.One end of electric capacity is connected in the output connecting pin of described second Sheffer stroke gate.First resistance is connected in second of described first Sheffer stroke gate and imports between the other end of pin and electric capacity.Second resistance is connected between the other end of the output connecting pin of described first Sheffer stroke gate and electric capacity.
Above-mentioned parking cateye emitting set, wherein: described second resistance is equivalent resistance.
Above-mentioned parking cateye emitting set, wherein: described phase inverter comprises the 3rd Sheffer stroke gate, it comprises the first input pin, second input pin and the output connecting pin, wherein, the first input pin of described the 3rd Sheffer stroke gate is connected in its second input pin, and being connected in described controller jointly, the output connecting pin of described the 3rd Sheffer stroke gate is connected in the first input pin of described first Sheffer stroke gate.
Above-mentioned parking cateye emitting set, wherein: described amplifier comprises the 4th Sheffer stroke gate, it comprises the first input pin, second input pin and the output connecting pin, wherein, the first input pin of described the 4th Sheffer stroke gate is connected in its second input pin, and being connected in the output connecting pin of described second Sheffer stroke gate jointly, the output connecting pin of described the 4th Sheffer stroke gate is connected in described infrared transmitting tube.
Above-mentioned parking cateye emitting set, wherein: described first Sheffer stroke gate, second Sheffer stroke gate, the 3rd Sheffer stroke gate and the 4th Sheffer stroke gate constitute the CMOS integrated circuit.
Above-mentioned parking cateye emitting set, wherein: described parking cateye emitting set also comprises the voltage source that is used for to described parking cateye emitting set power supply.
Above-mentioned parking cateye emitting set, wherein: described controller is a single-chip microcomputer, it has and is used to the I/O pin storing memory of data and be used for output data.
Therefore, parking cateye emitting set of the present invention adopts IC regime to drive infrared transmitting tube, and is more reliable than the mode of common employing transistor driving; Again, mode and infrared hand-held set by infrared communication carry out the transmission of Parking Meter data, and be easy to use.And, need on parking cateye, not remain for the jack of line in advance, avoided parking cateye by artificial destruction, improved the security of parking cateye.Simultaneously, owing to adopt infrared hand-held set data download, when also having solved many parking cateye data and downloading simultaneously, be subjected to the problem of the little restriction of data card capacity.
Description of drawings
In order to be easy to explanation, the present invention is done to describe in detail by following preferred embodiment and accompanying drawing.
Fig. 1 is the module map of the driving circuit in the parking cateye emitting set of the present invention.
Fig. 2 is the physical circuit figure of driving circuit among Fig. 1 of the present invention.
Fig. 3 is the oscillogram among Fig. 2 of the present invention.
Embodiment
Parking cateye emitting set comprises the shell (not shown), shell is provided with the infrared transmitting tube D (consulting Fig. 2) that is used to launch infrared beam, be equipped with in the shell be connected in infrared transmitting tube D be used to drive the driving circuit of infrared transmitting tube D and be used for voltage source Vcc (consulting Fig. 2) to parking cateye emitting set power supply.Consult Fig. 1, be the module map of the driving circuit in the parking cateye emitting set of the present invention.Driving circuit comprises controller 10, phase inverter 20, carrier oscillator 30 and amplifier 40.Wherein, controller 10 is used for outputting data signals.Phase inverter 20 is connected between controller 10 and the carrier oscillator 30, and the signal that is used for receiving carries out shaping and anti-phase.Carrier oscillator 30 is used to produce carrier signal, and converts data-signal to modulation signal.Amplifier 40 is connected in carrier oscillator, is used to amplify the signal after the modulation, with improve the driving force of parking cateye emitting set, make need the data that transmit through the emission energy of infrared transmitting tube D transmit farther.In the present embodiment, controller 50 is a single-chip microcomputer, it has and is used to the I/O pin storing the nonvolatile memory (not shown) of parking cateye data and be used for output data, and the data that need in the parking cateye to transmit are that the I/O pin by single-chip microcomputer sends out.
Figure 2 shows that the physical circuit figure of driving circuit among Fig. 1 of the present invention, consult Fig. 3 simultaneously, be the oscillogram among Fig. 2.Carrier oscillator 30 comprises the first Sheffer stroke gate U105B, the second Sheffer stroke gate U105D, first resistance R 1, second resistance and capacitor C.Wherein, the first Sheffer stroke gate U105B comprises the first input pin P4, second input pin P5 and the output connecting pin P6.Wherein, first of the first Sheffer stroke gate U105B input pin P4 is used for received signal.The second Sheffer stroke gate U105D comprises the first input pin P12, second input pin P13 and the output connecting pin P11.Wherein, the first input pin P12 of the second Sheffer stroke gate U105D is connected in the second input pin P13, and is connected in the output connecting pin P6 of the first Sheffer stroke gate U105B jointly.One end of capacitor C is connected in the output connecting pin of the second Sheffer stroke gate U105D.First resistance R 1 is connected in second of the first Sheffer stroke gate U105B and imports between the other end of pin P5 and capacitor C.The signal of i.e. second Sheffer stroke gate U105D output can feed back to the second input pin P5 of the first Sheffer stroke gate U105A through the capacitor C and first resistance R 1.Second resistance is connected in the output connecting pin P6 of the first Sheffer stroke gate U105D, promptly first of the second Sheffer stroke gate U105D input pin P12 and second imports the common point of pin P13, and between the other end of capacitor C, make the signal of second Sheffer stroke gate U105D output can feed back to two input pin P12, the P13 of the second Sheffer stroke gate U105D through the capacitor C and second resistance.In the present embodiment, this second resistance is equivalent resistance, and its resistance can be the stack (being that resistance R 2, R3 are connected in series between the output connecting pin P6 and capacitor C of the first Sheffer stroke gate U105D) of two resistance R 2, R3.
In other embodiment of the present invention, resistance R 3 also can replace with the variable resistor (not shown).
In the present embodiment, carrier oscillator 30 can produce the carrier signal that oscillation frequency is 38KHz, and this carrier signal is a square-wave signal, and its waveform is consulted Fig. 3 (a).Again, the resistance that the oscillation frequency that produces of carrier oscillator 30 can be by changing first resistance R 1, second resistance and the appearance value of capacitor C realize.Why the data-signal that needs in the present embodiment to transmit will be modulated on the carrier signal of 38kHz, be because the optimum frequency that drives infrared transmitting tube D work near 38KHz, and the pulse duty factor after the modulation is preceding lower than modulation, make the average current of parking cateye emitting set work diminish, thereby reduced energy consumption.
Again, the anode of infrared transmitting tube D is connected in voltage source Vcc, and its negative electrode is connected in the output connecting pin P8 of the 4th Sheffer stroke gate U105C.Therefore, the modulation signal through amplifying can be launched with infrared mode through infrared transmitting tube D.
In the present embodiment, the first Sheffer stroke gate U105B, the second Sheffer stroke gate U105D, the 3rd Sheffer stroke gate U105A and the 4th Sheffer stroke gate U105C are the CMOS integrated circuit of a quadruple two inputs, its model is a 74HC series, has ground connection pin (not shown) that is connected in ground and the voltage source pin (not shown) that is connected in voltage source Vcc.Adopt the mode of integrated circuit driving infrared transmitting tube D, more reliable than the mode of common employing transistor driving.
In other embodiment of the present invention, this CMOS integrated circuit also can adopt CD series, repeats no more here.
In the present embodiment, when the first input pin P4 of the first Sheffer stroke gate U105B received low level, carrier oscillator 30 was with the outgoing carrier signal, and infrared transmitting tube D does not launch modulation signal; When if the first input pin P4 receives high level, carrier oscillator 30 will be exported interrupted carrier wave, be modulation signal (consulting Fig. 3 (c)), this modulation signal is loaded with the Parking Meter data that need transmission, modulation signal is through after the amplification of amplifier 40, to launch by infrared transmitting tube D, wherein, the signal that the first input pin P4 of the first Sheffer stroke gate U105B receives can be consulted Fig. 3 (b).Because the parking cateye emitting set in the present embodiment is just by infrared transmitting tube D emission modulation signal when the first Sheffer stroke gate U105B receives high level, therefore, when the I/O pin of controller 10 is in the dormant state of high level, inverter functionality by phase inverter 20 can make controller 10 when dormant state, infrared transmitting tube D does not launch infrared beam, helps reducing the energy consumption of parking cateye emitting set.
The course of work of parking cateye emitting set of the present invention is as follows: the staff holds infrared hand-held set in the other infrared emission scope of parking cateye, infrared hand-held set is opened, and it is arranged in the infrared accepting state by the button on the infrared hand-held set, infrared receiving tube that then will this infrared hand-held set is aimed at the infrared transmitting tube D of parking cateye emitting set, prepares to receive the data in the parking cateye.Because the data in the parking cateye are to be stored in the nonvolatile memory, therefore, the staff can download the data unload function that card is opened parking cateye by the brush parking cateye, after the brush parking cateye was downloaded card, controller 10 was opened the infrared data sending function of parking cateye by program setting.At this moment, parking cateye is downloaded required data by reading in the nonvolatile memory earlier, by the I/O pin of single-chip microcomputer, data is exported then.These data export data on the infrared hand-held set to by infrared mode through infrared transmitting tube D by driving circuit.Hand-held set after receiving data is preserved data, finishes whole downloading process.Therefore, infrared hand-held set can all be downloaded to the data on the parking cateye on the parking lot on the infrared hand-held set by the mode of this infrared download, and is easy to use.In the present embodiment, infrared hand-held set can carry out data transmission with 1000 parking cateyes continuously.After data are downloaded and are finished, the staff only need link to each other the computer of infrared hand-held set with Parking Meter management company, just the data in the parking cateye can be sent on the computer, this computer is equipped with the background process software that Parking Meter production firm provides, just can carry out analyzing and processing by this background process software to data downloaded, data query, statistics etc. are provided, help the centralized management of Parking Meter management company.
Therefore, parking cateye emitting set of the present invention adopts IC regime to drive infrared transmitting tube, and is more reliable than the mode of common employing transistor driving; Again, mode and infrared hand-held set by infrared communication carry out the transmission of Parking Meter data, and be easy to use, and, need on parking cateye, not remain in advance the jack of line, avoided parking cateye by artificial destruction, improved the security of parking cateye. Simultaneously, owing to adopt infrared hand-held set downloading data, when also having solved many parking cateye data and downloading simultaneously, be subjected to the problem of the little restriction of data card capacity.
Claims (9)
1. parking cateye emitting set, comprise shell, it is characterized in that described shell is provided with the infrared transmitting tube that is used to launch infrared beam, the driving circuit that is used to drive described infrared transmitting tube that is connected in described infrared transmitting tube is installed in the described shell, and described driving circuit comprises:
Controller is used for outputting data signals; And
Carrier oscillator is used to produce carrier signal, and converts described data-signal to modulation signal;
Described driving circuit also comprises the phase inverter that is connected between described controller and the carrier oscillator, is used for received signal is carried out shaping and anti-phase.
2. parking cateye emitting set according to claim 1 is characterized in that: described driving circuit also comprises the amplifier that is connected in described carrier oscillator, is used to amplify the signal after the modulation.
3. parking cateye emitting set according to claim 2 is characterized in that: described carrier oscillator comprises:
First Sheffer stroke gate comprises the first input pin, second input pin and the output connecting pin, and wherein, the described first input pin is used for received signal;
Second Sheffer stroke gate comprises the first input pin, second input pin and the output connecting pin, and wherein, the first input pin of described second Sheffer stroke gate is connected in its second input pin, and is connected in the output connecting pin of described first Sheffer stroke gate jointly;
Electric capacity, the one end is connected in the output connecting pin of described second Sheffer stroke gate;
First resistance is connected in second of described first Sheffer stroke gate and imports between the other end of pin and electric capacity; And
Second resistance is connected between the other end of the output connecting pin of described first Sheffer stroke gate and electric capacity.
4. parking cateye emitting set according to claim 3 is characterized in that: described second resistance is equivalent resistance.
5. parking cateye emitting set according to claim 3, it is characterized in that: described phase inverter comprises the 3rd Sheffer stroke gate, it comprises the first input pin, second input pin and the output connecting pin, wherein, the first input pin of described the 3rd Sheffer stroke gate is connected in its second input pin, and being connected in described controller jointly, the output connecting pin of described the 3rd Sheffer stroke gate is connected in the first input pin of described first Sheffer stroke gate.
6. parking cateye emitting set according to claim 5, it is characterized in that: described amplifier comprises the 4th Sheffer stroke gate, it comprises the first input pin, second input pin and the output connecting pin, wherein, the first input pin of described the 4th Sheffer stroke gate is connected in its second input pin, and being connected in the output connecting pin of described second Sheffer stroke gate jointly, the output connecting pin of described the 4th Sheffer stroke gate is connected in described infrared transmitting tube.
7. parking cateye emitting set according to claim 6 is characterized in that: described first Sheffer stroke gate, second Sheffer stroke gate, the 3rd Sheffer stroke gate and the 4th Sheffer stroke gate constitute the CMOS integrated circuit.
8. parking cateye emitting set according to claim 1 is characterized in that: described parking cateye emitting set also comprises the voltage source that is used for to described parking cateye emitting set power supply.
9. parking cateye emitting set according to claim 1 is characterized in that: described controller is a single-chip microcomputer, and it has and is used to the I/O pin storing memory of data and be used for output data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101236350A CN101398946B (en) | 2007-09-26 | 2007-09-26 | Parking meter emitting set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101236350A CN101398946B (en) | 2007-09-26 | 2007-09-26 | Parking meter emitting set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101398946A CN101398946A (en) | 2009-04-01 |
| CN101398946B true CN101398946B (en) | 2010-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101236350A Expired - Fee Related CN101398946B (en) | 2007-09-26 | 2007-09-26 | Parking meter emitting set |
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| Country | Link |
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| CN (1) | CN101398946B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104021659A (en) * | 2014-05-28 | 2014-09-03 | 东信和平科技股份有限公司 | Parking terminal data processing method and apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395344Y (en) * | 1999-10-22 | 2000-09-06 | 广州市交通管理科学研究所 | Road side parking charging meter |
| CN2406293Y (en) * | 1999-12-24 | 2000-11-15 | 广州市公共安全科学技术研究所 | Centralied charging meter for parking on road side |
| CN2447873Y (en) * | 2000-09-28 | 2001-09-12 | 郑州华普奥原电子泊车设备有限公司 | Intelligent noncontact IC berthing safety device |
-
2007
- 2007-09-26 CN CN2007101236350A patent/CN101398946B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2395344Y (en) * | 1999-10-22 | 2000-09-06 | 广州市交通管理科学研究所 | Road side parking charging meter |
| CN2406293Y (en) * | 1999-12-24 | 2000-11-15 | 广州市公共安全科学技术研究所 | Centralied charging meter for parking on road side |
| CN2447873Y (en) * | 2000-09-28 | 2001-09-12 | 郑州华普奥原电子泊车设备有限公司 | Intelligent noncontact IC berthing safety device |
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| CN101398946A (en) | 2009-04-01 |
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Owner name: HUALUDE ELECTRONIC TECHNOLOGY DEVELOPMENT CO., LTD Free format text: FORMER OWNER: SUN HAO Effective date: 20110421 |
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Free format text: CORRECT: ADDRESS; FROM: 518031 WEST OF 5/F, BUILDING 401, ZHONGLIAN ELECTRONICS BUILDING, ZHENHUA ROAD, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE TO: 518000 ROOM 501, WEST OF 5/F, BUILDING 401, SHANGBU ELECTRONICS INDUSTRIAL ZONE, YANNAN ROAD, FUTIAN DISTRICT, SHENZHEN CITY, GUANGDONG PROVINCE |
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Effective date of registration: 20110421 Address after: 518000 Guangdong city of Shenzhen province Futian District Yan Road, electronic industrial zone 401 fifth floor West Room 501 Patentee after: Shenzhen Horoad Electronic Technology Development Co., Ltd. Address before: 518031, building 401, west five, Zhonglian electronic building, Zhenhua Road, Shenzhen, Guangdong, Futian District Patentee before: Sun Hao |
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