CN208424435U

CN208424435U - A kind of charging pile communication device

Info

Publication number: CN208424435U
Application number: CN201820964016.8U
Authority: CN
Inventors: 郁有建; 赵璐; 孟祥怡
Original assignee: Tianjin Chengjian University
Current assignee: Xinda Zhongke Tianjin Technology Development Co ltd
Priority date: 2018-06-22
Filing date: 2018-06-22
Publication date: 2019-01-22
Anticipated expiration: 2028-06-22

Abstract

A kind of charging pile communication device, including charging pile data collecting card, charging pile video monitoring capture card, password generator, CPLD, AD9830 converter, pci data bus, digital quantity repeater, DAC7822 converter, cryptogram decoding device, RS232 interface, charging pile video decoding card and charging pile data decoding card；Charging pile communication device provided by the utility model acquires the analog data of charging pile by charging pile data collecting card and charging pile video monitoring capture card, and the packet header by password generator as data is encrypted, analog quantity is converted into digital quantity by AD9830 converter chip to be sent in pci data bus, guarantees the confidentiality and anti-interference ability of signal by way of transmitting digital quantity；Digital information number is amplified by digital quantity repeater simultaneously, guarantees that the transmission of signal prevents from decaying.

Description

A kind of charging pile communication device

Technical field

The utility model relates to a kind of charging pile communication devices.

Background technique

Analog quantity communication is all made of between the charging pile of the prior art, the confidentiality using analog quantity signal of communication is poor, holds It is easily ravesdropping, while analog quantity information number is easy to receive interference；And use optical fiber communication equipment maintenance cost high, simultaneously because one As the construction of charging pile be typically all in the case where there is demand, therefore the optical fiber cable position that do not reserve, fiber optic cable is easily broken, no It is easy maintenance.

Utility model content

To overcome prior art problem, the utility model provides a kind of charging pile communication device.

A kind of charging pile communication device, including charging pile data collecting card, charging pile video monitoring capture card, password generate Device, CPLD, AD9830 converter, pci data bus, digital quantity repeater, DAC7822 converter, cryptogram decoding device, RS232 Interface, charging pile video decoding card and charging pile data decoding card；

The charging pile data collecting card and charging pile video monitoring capture card are electrically connected with the password generator, institute It states password generator to be electrically connected with the CPLD, the CPLD by the password generator for that will encrypt by the charging The charging pile analog data of stake data collecting card acquisition and the video screen module analog quantity data of charging pile video monitoring capture card acquisition It is sent to the AD9830 converter, the AD9830 converter is used to for analog quantity being converted into digital quantity and by digital information It is sent in the pci data bus；

The digital quantity repeater is electrically connected with the pci data bus, and the digital quantity repeater is used for pci data Digital data in bus carries out signal amplification relaying, and the digital quantity repeater is electrically connected with the CPLD simultaneously, by PCI Digital data on data/address bus receives in the CPLD, and the CPLD is electrically connected with the DAC7822 converter, described DAC7822 converter is used to the digital information received being converted to analog quantity information, the DAC7822 converter with it is described The electrical connection of cryptogram decoding device, the cryptogram decoding device are electrically connected with the RS232 interface, the RS232 interface and the charging Stake video decoding card and the decoding card electrical connection of charging pile data.

Preferably, the digital quantity repeater is used to carry out signal amplification to the digital data in pci data bus It is sent back in the pci data bus after relaying by the CPLD.

Preferably, the information of the charging pile data collecting card acquisition includes use state, electric current and the function of charging pile Rate.

Preferably, the charging pile video monitoring capture card is used for the prison of camera of the acquisition configuration near charging pile Control picture.

Preferably, the password generator is for encrypting the analog quantity of acquisition.

It preferably, further include reference clock and trigger source, the reference clock and trigger source are electrically connected with the CPLD It connects.

Preferably, the reference clock is used to provide clock signal for the CPLD, and the trigger source is for controlling institute State CPLD work.

The utility model has the beneficial effects that

Charging pile communication device provided by the utility model is adopted by charging pile data collecting card and charging pile video monitoring Truck acquires the analog data of charging pile, and the packet header by password generator as data is encrypted, and AD9830 is passed through Analog quantity is converted into digital quantity and is sent in pci data bus by converter chip, guarantees to believe by way of transmitting digital quantity Number confidentiality and anti-interference ability；Digital information number is amplified by digital quantity repeater simultaneously, guarantees signal Transmission prevent from decaying.

Detailed description of the invention

Fig. 1 is the electrical block diagram of the charging pile communication device of the utility model.

Specific embodiment:

The utility model is described further with reference to the accompanying drawing: as shown in Figure 1, a kind of charging pile communication device, packet Include charging pile data collecting card 1, charging pile video monitoring capture card 2, password generator 3, CPLD4, AD9830 converter 5, PCI Data/address bus 6, digital quantity repeater 7, DAC7822 converter 8, cryptogram decoding device 9, RS232 interface 10, the decoding of charging pile video Card 11 and charging pile data decoding card 12；

The charging pile data collecting card 1 and charging pile video monitoring capture card 2 are electrically connected with the password generator 3 It connects, the password generator 3 is electrically connected with the CPLD4, and the CPLD4 will be for that will pass through what the password generator 3 encrypt The view that the charging pile analog data and charging pile video monitoring capture card 2 acquired by the charging pile data collecting card 1 acquires Frequency analog data is sent to the AD9830 converter 5, and the AD9830 converter 5 is used to analog quantity being converted into digital quantity And it sends digital information in the pci data bus 6；Wherein password generator 3 uses the software or hard of the prior art Part carries out signal encryption or the raw generator 3 of password is arranged to fixed password.CPLD4 is used for collected analog quantity number AD9830 converter is sent to according to password.

The digital quantity repeater 7 is electrically connected with the pci data bus 6, and the digital quantity repeater 7 is used for PCI Digital data on data/address bus 6 carries out signal amplification relaying, and the digital quantity repeater 7 is electrically connected with the CPLD4 simultaneously It connects, the digital data in pci data bus 6 is received in the CPLD, digital quantity signal first passes around relaying and puts here Greatly, guarantee the signal strength entered in CPLD4, it, will amplification if CPLD judgement does not need to be read out digital quantity signal Digital quantity signal afterwards sends back to the pci data bus 6 again, the relaying of signal is so realized, especially when neighbouring is filled When electric stake is more, guarantee the stabilization of communication quality.

The CPLD4 is electrically connected with the DAC7822 converter 8, what the DAC7822 converter 8 was used to receive Digital information is converted to analog quantity information, i.e., if necessary to analytic signal, then will pass through DAC7822 by amplified signal Digital quantity is directly converted into analog quantity and carries out directly matching output, the DAC7822 converter 8 and the password by converter 8 Decoder 9 is electrically connected, and analog signals is decrypted, the cryptogram decoding device 9 is electrically connected with the RS232 interface 10, institute It states RS232 interface 10 to be electrically connected with charging pile video decoding card 11 and charging pile data decoding card 12, so realization signal Reading and video viewing.

The information that the charging pile data collecting card 12 acquires includes use state, electric current and the power of charging pile.It is described Charging pile video monitoring capture card 11 is used for the monitored picture of camera of the acquisition configuration near charging pile.13 He of reference clock Trigger source 14 is electrically connected with the CPLD4.The reference clock 13 is used to provide clock signal for the CPLD4, simultaneously will The information of clock signal is sent in pci data bus 6 and correction is compared with the clock of other charging piles, can will wherein one A reference clock is set as master clock；The trigger source 14 is for controlling the CPLD work unlatching and determining whether to be counted According to parsing.

Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines In range.

Claims

1. a kind of charging pile communication device, it is characterised in that:

Including charging pile data collecting card, charging pile video monitoring capture card, password generator, CPLD, AD9830 converter, Pci data bus, digital quantity repeater, DAC7822 converter, cryptogram decoding device, RS232 interface, charging pile video decoding card It decodes and blocks with charging pile data；

The charging pile data collecting card and charging pile video monitoring capture card are electrically connected with the password generator, described close Code generator is electrically connected with the CPLD, and the CPLD by the password generator for that will encrypt by the charging pile number It is sent according to the charging pile analog data of capture card acquisition and the video screen module analog quantity data of charging pile video monitoring capture card acquisition To the AD9830 converter, the AD9830 converter is for being converted into digital quantity for analog quantity and sending digital information Onto the pci data bus；

The digital quantity repeater is electrically connected with the pci data bus, and the digital quantity repeater is used for pci data bus On digital data carry out signal amplification relaying, the digital quantity repeater is electrically connected with the CPLD simultaneously, by pci data Digital data in bus receives in the CPLD, and the CPLD is electrically connected with the DAC7822 converter, described DAC7822 converter is used to the digital information received being converted to analog quantity information, the DAC7822 converter with it is described The electrical connection of cryptogram decoding device, the cryptogram decoding device are electrically connected with the RS232 interface, the RS232 interface and the charging Stake video decoding card and the decoding card electrical connection of charging pile data.

2. charging pile communication device according to claim 1, it is characterised in that: the digital quantity repeater is used for PCI Digital data on data/address bus is sent back in the pci data bus after carrying out signal amplification relaying by the CPLD.

3. charging pile communication device according to claim 1, it is characterised in that: the charging pile data collecting card acquisition Information includes use state, electric current and the power of charging pile.

4. charging pile communication device according to claim 1, it is characterised in that: the charging pile video monitoring capture card is used In the monitored picture of camera of the acquisition configuration near charging pile.

5. charging pile communication device according to claim 1, it is characterised in that: the password generator is used for acquisition Analog quantity is encrypted.

6. charging pile communication device according to claim 1, it is characterised in that: further include reference clock and trigger source, institute Reference clock and trigger source is stated to be electrically connected with the CPLD.

7. charging pile communication device according to claim 6, it is characterised in that: the reference clock is used to be the CPLD Clock signal is provided, the trigger source is for controlling the CPLD work.