CN104578415A - Data collection terminal - Google Patents
Data collection terminal Download PDFInfo
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- CN104578415A CN104578415A CN201410840404.1A CN201410840404A CN104578415A CN 104578415 A CN104578415 A CN 104578415A CN 201410840404 A CN201410840404 A CN 201410840404A CN 104578415 A CN104578415 A CN 104578415A
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Abstract
The invention discloses a data collection terminal which comprises an ARM processing unit, a power supply processing unit, a storage unit, a downlink interface unit, an uplink interface unit, an ambient temperature detection unit, a data encryption and decryption unit and a scanning gun interface unit, wherein the power supply processing unit, the storage unit, the downlink interface unit, the uplink interface unit, the ambient temperature detection unit, the data encryption and decryption unit and the scanning gun interface unit are electrically connected to the ARM processing unit. According to the data collection terminal, the AES data encryption and decryption unit is added and adopts the AES encryption and decryption algorithm, and a key is generated when a master station is initiated every time and becomes invalid at the end of confirmation, so as to ensure the security and hard breaking property of the entire communication. In the data collection terminal, a surface cover lock is further used as a protective measure of an upper cover and a lower cover of a shell, the infrared control opening and closing are adopted, both the locking and unlocking commands are cipher texts and the locking and unlocking commands are different every time in order to ensure the security of transmission commands, therefore, the protection level of the terminal is further enhanced.
Description
Technical field
The present invention relates to the data collection station for electrical network.
Background technology
Intelligent grid is one of current national Important Project carried out energetically.A critical function of intelligent grid is exactly can gather the electricity consumption data of electricity consumption user and transformer station.Carrying out by the important foundation of electric data collecting is exactly installation data acquisition terminal, and by the data transmission of communication network, completes the collection of the electricity consumption data to electricity consumption user and transformer station, and by the control centre of these data summarization to intelligent grid.
Existing data collection station generally can only carry out data acquisition, and along with the upgrading of intelligent grid, current data collection station can not meet the demand of power department, such as in order to ensure the safe and secret of the electricity consumption data of user, power department wishes that data collection station has gathered data, transmit again after encryption, increase Information Security.
In addition, the housing way of existing data collection station is all the lead sealings adopting normal screws locking to add national grid, along with the continuous upgrading of stealing gimmick, high-tech means gets more and more, and the lid that can open a terminal when not being found carries out internal circuit amendment or increase partial circuit carrying out stealing.And the scheme of prior art, although record of uncapping can be checked, cannot more effectively prevent protective casing to be opened.
Summary of the invention
Therefore, for above-mentioned problem, the present invention proposes a kind of data collection station, existing terminal is improved, increase data ciphering and deciphering unit to solve data confidentiality sex chromosome mosaicism, ambient temperature detecting unit and scanner interface unit are also set, carry out Function Extension for power department.Simultaneously also on the basis of existing terminal, set up table cover lock, to prevent the generation of stealing electricity phenomenon.
In order to solve the problems of the technologies described above, a kind of data collection station of the present invention, comprise housing, and be positioned at the ARM processing unit of housing, power supply processing unit, memory cell, downstream interface unit, upstream Interface unit, ambient temperature detecting unit, data ciphering and deciphering unit and scanner interface unit, power supply processing unit, memory cell, downstream interface unit, upstream Interface unit, ambient temperature detecting unit, data ciphering and deciphering unit, scanner interface unit, be all electrically connected to ARM processing unit; Wherein, power supply processing unit provides for the power supply of data collection station and manages; Memory cell is used for the storage of data and information; Downstream interface unit is used for the communication interface of pocket watch or other equipment under data collection station; Upstream Interface unit is used for the communication interface of data collection station and main station system; Ambient temperature detecting unit is used for temperature detection in data collection station institute installation environment; DEU data encryption unit is used for the encryption and decryption of uplink and downlink interface data; Scanner interface unit is for obtaining relevant information and reporting data acquisition terminal equipment, and data acquisition terminal equipment carries out stores processor.
Further, described housing comprises upper cover and lower cover, and upper cover and lower cover cooperatively interact and form an airtight cavity; The position of described upper cover and lower cover internal cohesion is also provided with table cover lock.Table cover lock is installed on the inside of terminal shell by the present invention, fixing for terminal upper and lower covers, and increasing this device is exactly the fixed form removing normal screws between upper and lower covers, and adopts inner table cover lock (can be electronic lock) to realize.
Further, described table cover lock is made up of electronic circuit control loop and machine driving loop, electronic circuit control loop reception control signal, and then driving device drive circuit realizes opening or closing of housing.Described data collection station also comprises infrared receiving/transmission unit, and this infrared receiving/transmission unit and ARM processing unit are bi-directionally connected, in order to receive from ARM processing unit or to send signal to ARM processing unit; Meanwhile, this infrared receiving/transmission unit is also electrically connected with electronic circuit control loop, and this control signal is sent to electronic circuit control loop after receiving extraneous control signal by infrared receiving/transmission unit; Also namely this table cover lock adopts this infrared receiving/transmission unit as data transmission channel, utilizes existing equipment (such as handheld terminal, palm machine etc.) to carry out transmission and the reception of order, has carried out the Kai Heguan of this table cover lock.For ensureing the fail safe of transmission data, switch lock order all adopts ciphertext and each switch lock order is all different, simultaneously external without any interface, makes the protection level of terminal better like this, has had good protection to electricity filching behavior.
Data collection station of the present invention is on traditional data acquisition terminal basis, merge scanner interface, simple and convenient address information or other facility informations obtaining downstream plant accurately, and be stored in data collection station and automatically generate archive information, substitute the mode inputted manually.Merge scanner interface in specific implementation process, adopt RS485 communication interface, when scanner scans time, whether data collection station is told from scanner according to the data that RS485 mouth receives, if so, the data needed (such as obtaining the address of lower pocket watch) according to the protocol analysis data of regulation, and will be saved in memory block by data acquisition terminal equipment automatically, generate archive information, thus automatically complete archives work is set.
In addition, data collection station of the present invention adds ambient temperature detecting unit, for detecting the temperature information of environment residing for data collection station, when temperature is higher than set point time, by signal active reporting to main website.Ambient temperature detecting unit can selection work in the thermistor of-65 DEG C of-150 DEG C of temperature ranges as temperature sensing device, by temperature voltage change-over circuit, signal is input to the AD interface of ARM to carry out the conversion of temperature information, thus draw temperature information, when temperature information exceedes set point time, can there is sound and light alarm in data acquisition terminal equipment, report to main website simultaneously.
Meanwhile, this data collection station also can arrange warning device, and when temperature is higher than set point time, data collection station is by signal active reporting to while main website, and its warning device is reported to the police, such as, produce sound and light alarm, to point out staff.
Data collection station of the present invention adds international AES data ciphering and deciphering unit, and increase can select with forbid menu is set.When user's data collection station communicates with modular system interface time, this element can be forbidden; When user is with supporting main station system time, this function can be selected, for strengthening the fail safe of system.AES data ciphering and deciphering unit adopts hardware encipher decryption unit implementation.Encryption and decryption is carried out to the process data communicated between data acquisition terminal equipment with main website, improves the fail safe of total system transmission data.Due to the AES encryption decipherment algorithm that notebook data acquisition terminal equipment adopts, key generates when each main website initiates, and after end confirms, key expires, ensure that the fail safe of whole communication and difficult cracking.Simultaneously; novelty of the present invention employ table cover lock as the safeguard measure of shell upper and lower covers; it not only adopts infrared controlled switch door; for ensureing the fail safe of its transmission command; switch lock order all adopts ciphertext; and each switch lock order is all different, further enhancing the protection level of terminal.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of data collection station of the present invention;
Fig. 2 is the operation schematic diagram of scanner interface unit of the present invention;
Fig. 3 is the operation schematic diagram of temperature collection unit of the present invention;
Fig. 4 is the operation schematic diagram of AES data ciphering and deciphering unit of the present invention.
Embodiment
Now the present invention is further described with embodiment by reference to the accompanying drawings.
Participate in Fig. 1, data collection station composition of the present invention comprises housing, and be positioned at the ARM processing unit of housing, power supply processing unit, memory cell, downstream interface unit, upstream Interface unit, ambient temperature detecting unit, data ciphering and deciphering unit and scanner interface unit, power supply processing unit, memory cell, downstream interface unit, upstream Interface unit, ambient temperature detecting unit, data ciphering and deciphering unit and scanner interface unit, be all electrically connected to ARM processing unit.Wherein, power supply processing unit provides for the power supply of data collection station and manages; Memory cell is used for the storage of data and information; Downstream interface unit is used for the communication interface of pocket watch or other equipment under data collection station; Upstream Interface unit is used for the communication interface of data collection station and main station system; Ambient temperature detecting unit is used for temperature detection in data collection station institute installation environment; DEU data encryption unit is used for the encryption and decryption of uplink and downlink interface data; Scanner interface unit is for obtaining relevant information and reporting data acquisition terminal equipment, and data acquisition terminal equipment carries out stores processor.
Wherein, housing of the present invention comprises upper cover and lower cover, and upper cover and lower cover cooperatively interact and form an airtight cavity; The position of described upper cover and lower cover internal cohesion is also provided with table cover lock.Table cover lock is installed on the inside of terminal shell by the present invention, fixing for terminal upper and lower covers, and increasing this device is exactly the fixed form removing normal screws between upper and lower covers, and adopts inner table cover lock (can be electronic lock) to realize.
As a feasible scheme, this table cover lock is made up of electronic circuit control loop and machine driving loop, electronic circuit control loop reception control signal, and then driving device drive circuit realizes opening or closing of housing.This infrared receiving/transmission unit and ARM processing unit are bi-directionally connected, in order to receive from ARM processing unit or to send signal to ARM processing unit; Simultaneously, this infrared receiving/transmission unit is also electrically connected with electronic circuit control loop, after infrared receiving/transmission unit receives extraneous control signal, this control signal is sent to electronic circuit control loop, also namely this table cover lock adopts this infrared receiving/transmission unit as data transmission channel, utilize existing equipment (such as handheld terminal, palm machine etc.) to carry out transmission and the reception of order, carry out the Kai Heguan of this table cover lock.Concrete, in use, it can be following process:
Process 1: send corresponding switch lock order to ARM processing unit by the communication equipment (such as handheld terminal, palm machine etc.) arranging infrared receiving/transmission unit (there is infrared communication passage);
Process 2:ARM processing unit receives this switch lock order, controls the electronic circuit control loop of lock;
Process 3: electronic circuit control loop driving device drive circuit performs and opens or closes action accordingly, execution result is fed back to ARM processing unit simultaneously;
Execution result is fed back to communication equipment (such as handheld terminal, palm machine etc.) by infrared by process 4:ARM processing unit.
In addition, be the fail safe ensureing transmission data, in said process, the mode that the switch lock order of transmission all adopts ciphertext to send, and each ciphertext algorithm difference.Such as, to the switch lock order that ARM processing unit sends, adopt random ciphertext (such as switch lock order adds a string random character) to send, time ARM processing unit receives, it is decrypted by same algorithm meanwhile.Like this, each switch lock order sent is all different, simultaneously external without any interface, makes the protection level of terminal better like this, has had good protection to electricity filching behavior.
Data collection station of the present invention is on traditional data acquisition terminal basis, merge scanner interface, simple and convenient address information or other facility informations obtaining downstream plant accurately, and be stored in data collection station and automatically generate archive information, substitute the mode inputted manually.See Fig. 2, this data acquisition terminal equipment merges scanner interface, adopt RS485 communication interface, when scanner scans time, whether data acquisition terminal equipment is told from scanner according to the data that RS485 mouth receives, if, data acquisition terminal equipment will according to the protocol analysis data of regulation, and the data needed (such as obtaining the address of lower pocket watch) are saved in memory block automatically, generate archive information, thus automatically complete archives work is set.
Data collection station of the present invention adds ambient temperature detecting unit, for detecting the temperature information of environment residing for data collection station.Meanwhile, conveniently point out user, this data collection station also comprises warning device, such as, adopt acoustic-optic alarm, and when temperature is higher than set point time, data collection station itself produces sound and light alarm, and by signal active reporting to main website.See Fig. 3, this ambient temperature detecting unit can selection work in the thermistor of-65 DEG C of-150 DEG C of temperature ranges as temperature sensing device, by temperature voltage change-over circuit, signal is input to the AD interface of ARM to carry out the conversion of temperature information, thus draw temperature information, when temperature information exceedes set point time, can there is sound and light alarm in data acquisition terminal equipment, reports to main website simultaneously.
Data collection station of the present invention adds international AES data ciphering and deciphering unit, and increase can select with forbid menu is set.When user's data collection station communicates with modular system interface time, this element can be forbidden; When user is with supporting main station system time, this function can be selected, for strengthening the fail safe of system.See Fig. 4, this data collection station considers the apolegamy of application scenario difference and client, can set and select this element.This AES data ciphering and deciphering unit adopts hardware encipher decryption unit implementation.Encryption and decryption is carried out to the process data communicated between data acquisition terminal equipment with main website, improves the fail safe of total system transmission data.Due to the AES encryption decipherment algorithm that notebook data acquisition terminal equipment adopts, key generates when each main website initiates, and after end confirms, key expires, ensure that the fail safe of whole communication and difficult cracking.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (6)
1. a data collection station, it is characterized in that: comprise housing, and be positioned at ARM processing unit, power supply processing unit, memory cell, downstream interface unit, upstream Interface unit, ambient temperature detecting unit, data ciphering and deciphering unit, the scanner interface unit of housing, power supply processing unit, memory cell, downstream interface unit, upstream Interface unit, ambient temperature detecting unit, data ciphering and deciphering unit, scanner interface unit, be all electrically connected to ARM processing unit; Wherein, power supply processing unit provides for the power supply of data collection station and manages; Memory cell is used for the storage of data and information; Downstream interface unit is used for the communication interface of pocket watch or other equipment under data collection station; Upstream Interface unit is used for the communication interface of data collection station and main station system; Ambient temperature detecting unit is used for temperature detection in data collection station institute installation environment; DEU data encryption unit is used for the encryption and decryption of uplink and downlink interface data; Scanner interface unit is for obtaining relevant information and reporting data acquisition terminal equipment, and data acquisition terminal equipment carries out stores processor.
2. data collection station according to claim 1, is characterized in that: described housing comprises upper cover and lower cover, and upper cover and lower cover cooperatively interact and form an airtight cavity; The position of described upper cover and lower cover internal cohesion is also provided with table cover lock; Described table cover lock is made up of electronic circuit control loop and machine driving loop, electronic circuit control loop reception control signal, and then driving device drive circuit realizes opening or closing of housing.
3. data collection station according to claim 2, it is characterized in that: described data collection station also comprises infrared receiving/transmission unit, this infrared receiving/transmission unit and ARM processing unit are bi-directionally connected, in order to receive from ARM processing unit or to send signal to ARM processing unit; Meanwhile, this infrared receiving/transmission unit is also electrically connected with electronic circuit control loop, and this control signal is sent to electronic circuit control loop after receiving extraneous control signal by infrared receiving/transmission unit.
4. data collection station according to claim 3, is characterized in that: driving device drive circuit realizes opening or closing of housing and specifically comprises following process: send corresponding switch lock order by communication equipment to ARM processing unit; ARM processing unit receives this switch lock order, controls the electronic circuit control loop of lock; Electronic circuit control loop driving device drive circuit performs and opens or closes action accordingly, execution result is fed back to ARM processing unit simultaneously; Execution result is fed back to communication equipment by infrared by ARM processing unit.
5. data collection station according to claim 4, is characterized in that: driving device drive circuit realizes in the process opened or closed of housing, the mode that the switch lock order of transmission all adopts ciphertext to send, and each ciphertext algorithm is different.
6. data collection station according to claim 1, is characterized in that: also comprise warning device, and the input of this warning device is connected to the output of ARM processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840404.1A CN104578415A (en) | 2014-12-30 | 2014-12-30 | Data collection terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410840404.1A CN104578415A (en) | 2014-12-30 | 2014-12-30 | Data collection terminal |
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| CN104578415A true CN104578415A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410840404.1A Pending CN104578415A (en) | 2014-12-30 | 2014-12-30 | Data collection terminal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110096023A (en) * | 2019-05-09 | 2019-08-06 | 江苏南高智能装备创新中心有限公司 | A kind of optimized data collection method based on plc agreement |
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| US20070257813A1 (en) * | 2006-02-03 | 2007-11-08 | Silver Spring Networks | Secure network bootstrap of devices in an automatic meter reading network |
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Application publication date: 20150429 |