CN212540592U - Remote control device for fault recording equipment - Google Patents
Remote control device for fault recording equipment Download PDFInfo
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- CN212540592U CN212540592U CN202021213359.4U CN202021213359U CN212540592U CN 212540592 U CN212540592 U CN 212540592U CN 202021213359 U CN202021213359 U CN 202021213359U CN 212540592 U CN212540592 U CN 212540592U
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- fault recording
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Abstract
A remote control device for fault recording equipment belongs to the field of remote control of fault recording equipment. The system comprises an upper computer, a gateway component and an alarm module; the gateway component comprises at least two groups of gateway units, wherein one group of gateway unit is configured as an upper computer side gateway unit, the other group of gateway unit is configured as a fault recording device side gateway unit, the gateway unit comprises an Ethernet gateway chip and an encryption type storage chip, and the encryption type storage chip is electrically connected with a storage interface of the Ethernet gateway chip correspondingly; the alarm module is coupled with the Ethernet gateway chip to give an alarm after the encryption type storage chip is damaged. The remote control of the data transmission safety of the existing fault recording equipment is high, and the alarm module can give an alarm in time after the encryption type storage chip is cracked.
Description
Technical Field
The utility model relates to a trouble record ripples equipment remote control technical field, concretely relates to trouble record ripples equipment is with remote control device.
Background
The fault recording equipment is used for automatically and accurately acquiring and recording various electric quantity change conditions of the electric power system before, during and after the fault, and through analyzing electric quantity data analysis in the fault process, the fault type is convenient to determine, whether the protection equipment correctly and timely responds is judged, and the quality of fault response measures is compared, so that the capability of guaranteeing the safe operation of the electric power system is improved.
In order to automatically and accurately record various electric quantity change conditions before, during and after a fault of a power system, a fault judgment domain is generally built in fault recording equipment, and when a recording threshold value is set by triggering certain electric quantity data, the fault recording equipment stores various electric quantity data before, during and after triggering is released. That is, the recording threshold is set as an important parameter for determining a fault, and the stricter the recording threshold is, the higher the sensitivity is, the more data needs to be recorded; the more relaxed it is, the lower the sensitivity, and the more likely it is that various electrical quantity data corresponding to the period of the fault will be missed.
Based on the importance of the fault recording device, the parameters of the fault recording device are generally adjusted in a mode of adjusting the recording threshold of the fault recording device on site, so that the major loss caused by malicious tampering of the working mode of the device is avoided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a trouble record ripples equipment is with far away accuse device to solve the unsafe technical problem of data transmission that the current trouble record ripples equipment of remote control exists.
In order to solve the technical problems, the following technical scheme can be selected according to the needs:
a remote control device for fault recording equipment comprises an upper computer, a gateway component and an alarm module; the gateway component comprises at least two groups of gateway units, wherein one group of gateway unit is configured as an upper computer side gateway unit, the other group of gateway unit is configured as a fault recording device side gateway unit, the gateway unit comprises an Ethernet gateway chip and an encryption type storage chip, and the encryption type storage chip is electrically connected with a storage interface of the Ethernet gateway chip correspondingly; the alarm module is coupled with the Ethernet gateway chip to give an alarm after the encryption type storage chip is damaged.
Preferably, the ethernet gateway chip selects an RTL8019 series ethernet gateway chip, and an SPI storage pin of the ethernet gateway chip is connected with an SPI bus-type encryption storage chip.
Further, the SPI bus-type encryption memory chip selects the LKT 4304-type encryption memory chip.
Preferably, the gateway unit further includes a single chip microcomputer, the ethernet gateway chip selects an RTL8019 series ethernet gateway chip, a diagnosis LED pin of the ethernet gateway chip is electrically connected to an input pin of the single chip microcomputer, an output pin of the single chip microcomputer is electrically connected to a control terminal of the control switch, and a load terminal of the control switch is connected in series to a power circuit of the alarm module.
Further, the gateway unit further comprises an RS232 level chip, the single chip microcomputer is correspondingly electrically connected with the RS232 level chip, and the RS232 level chip is correspondingly connected with an RS232 interface.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the storage chip is a necessary component for realizing the gateway function of the Ethernet gateway chip, and the encryption type storage chip is adopted, so that the illegal invasion difficulty of network data of unspecified objects to the remote control device for the fault recording equipment can be improved, and the data transmission safety of the existing fault recording equipment under remote control is improved. The existing encryption type memory chips have the function of self-destruction of internal data after external attack is detected, the anti-cracking effect is good, and the alarm module can give an alarm in time after being cracked.
2. The LKT4304 type encryption storage chip is an encryption chip produced by Lingkiegan scientific and technology (Beijing) limited company, and has excellent performances of CPU main frequency, RAM, FLASH storage space and process safety.
3. The single chip microcomputer is coupled with the LED pin and the alarm module of the Ethernet gateway chip, and the single chip microcomputer can drive the alarm module to output an alarm signal according to the fault state of the Ethernet gateway chip.
4. The RS232 level chip and the RS232 interface can realize the communication connection between the gateway unit and the upper computer or between the gateway unit and the fault recording equipment.
Drawings
Fig. 1 is a power circuit diagram of the remote control device for fault recording equipment of the present invention.
Fig. 2 is one of the circuit diagrams of the gateway unit of the remote control device for fault recording equipment according to the present invention;
fig. 3 is a second circuit diagram of the gateway unit of the remote control device for fault recording equipment according to the present invention.
Fig. 4 is a driving circuit diagram of the alarm module of the remote control device for fault recording equipment according to the present invention.
Detailed Description
The present invention is described below in terms of embodiments with reference to the accompanying drawings to assist those skilled in the art in understanding and realizing the invention. Unless otherwise indicated, the following embodiments and technical terms therein should not be understood to depart from the background of the technical knowledge in the technical field.
Example 1: a remote control device for fault recording equipment is disclosed, and is shown in figures 1-4 and comprises an upper computer, a gateway component and an alarm module.
The gateway component comprises at least two groups of gateway units, wherein one group of gateway unit is configured as an upper computer side gateway unit, the other group of gateway unit is configured as a fault recording device side gateway unit, the gateway unit comprises an Ethernet gateway chip and an encryption type storage chip, and the encryption type storage chip is electrically connected with a storage interface of the Ethernet gateway chip correspondingly. Preferably, the ethernet gateway chip selects an RTL8019 series ethernet gateway chip, and an SPI memory pin of the ethernet gateway chip is connected with an SPI bus-type encryption memory chip. The SPI bus type encryption storage chip further selects an LKT4304 type encryption storage chip. Referring to fig. 3, pin 76, pin 77, pin 78 and pin 79 of the RTL8019AS ethernet gateway chip are SPI bus pins for connecting a memory chip, and the LKT4304 type encryption memory chip has SPI bus pins.
The alarm module is coupled with the Ethernet gateway chip to give out an alarm after the encryption type storage chip is damaged.
Preferably, the gateway unit further includes a single chip microcomputer U91, the ethernet gateway chip selects an RTL8019 series ethernet gateway chip, a diagnosis LED pin of the ethernet gateway chip is electrically connected to an input pin of the single chip microcomputer U91, an output pin of the single chip microcomputer U91 is electrically connected to a control terminal of the control switch, and a load terminal of the control switch is connected in series to a power circuit of the alarm module. Referring to fig. 2-4, a pin 63, a pin 62, and a pin 61 of an RTL8019 series ethernet gateway chip are all diagnosis LED pins, in this embodiment, the pin 63 is electrically connected to a pin 7 of a single chip microcomputer U91, a pin 8 of the single chip microcomputer is connected in series to a base of a high current type triode Q301 through a current limiting resistor R301, a collector and an emitter of the high current type triode Q301 are connected in series to a coil of a relay, and a load terminal of the relay is connected in series to a power circuit of an audible and visual alarm.
Further, the gateway unit further comprises an RS232 level chip, the single chip microcomputer is correspondingly and electrically connected with the RS232 level chip, and the RS232 level chip is correspondingly connected with an RS232 interface.
Fig. 1 shows a power supply circuit whose input 12 vdc is readily available. And the VCC output end of the circuit can output 5.0V direct current stabilized voltage power supply.
When the encryption type storage chip is used, the encryption type storage chip participates in the work of the Ethernet gateway, so that the encryption effect is realized. If the encryption type storage chip is damaged, a diagnosis LED pin of the Ethernet gateway can output a fault signal of the Ethernet gateway, and after the singlechip U91 interprets the fault signal, if the fault signal corresponds to the damage of the encryption type storage chip, the audible and visual alarm is driven to give an alarm.
The present invention has been described in detail with reference to the accompanying drawings and examples. It should be understood that in practice the description of all possible embodiments is not exhaustive and that the inventive concepts of the present invention are presented herein by way of illustration as much as possible. Without departing from the inventive concept of the present invention and without paying creative labor, technical personnel in the technical field can make or delete combinations, specific parameters to perform experimental changes to the technical features in the above embodiments, or use the prior art in the technical field to perform the specific embodiments of conventional replacement and formation by the disclosed technical means, which all belong to the content hidden in the present invention.
Claims (5)
1. A remote control device for fault recording equipment comprises an upper computer, a gateway component and an alarm module; the gateway component comprises at least two groups of gateway units, wherein one group of gateway unit is configured as an upper computer side gateway unit, and the other group of gateway unit is configured as a fault recording device side gateway unit; the alarm module is coupled with the Ethernet gateway chip to give an alarm after the encryption type storage chip is damaged.
2. The remote control device for the fault recording device according to claim 1, wherein the ethernet gateway chip is an RTL8019 series ethernet gateway chip, and an SPI memory pin of the ethernet gateway chip is connected to an SPI bus-type encryption memory chip.
3. The remote control device for the fault recording equipment as claimed in claim 2, wherein the SPI bus type encryption memory chip selects the LKT4304 type encryption memory chip.
4. The remote control device for the fault recording device according to claim 1, wherein the gateway unit further includes a single chip, the ethernet gateway chip selects an RTL8019 series ethernet gateway chip, a diagnosis LED pin of the ethernet gateway chip is electrically connected to an input pin of the single chip, an output pin of the single chip is electrically connected to a control terminal of a control switch, and a load terminal of the control switch is connected in series to a power circuit of the alarm module.
5. The remote control device for the fault recording device according to claim 4, wherein the gateway unit further comprises an RS232 level chip, the single chip microcomputer is electrically connected with the RS232 level chip correspondingly, and the RS232 level chip is correspondingly connected with an RS232 interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021213359.4U CN212540592U (en) | 2020-06-28 | 2020-06-28 | Remote control device for fault recording equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021213359.4U CN212540592U (en) | 2020-06-28 | 2020-06-28 | Remote control device for fault recording equipment |
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| Publication Number | Publication Date |
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| CN212540592U true CN212540592U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021213359.4U Expired - Fee Related CN212540592U (en) | 2020-06-28 | 2020-06-28 | Remote control device for fault recording equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118091329A (en) * | 2024-04-24 | 2024-05-28 | 上海海能信息科技股份有限公司 | Travelling wave trigger threshold dynamic adjustment method based on background interference level |
-
2020
- 2020-06-28 CN CN202021213359.4U patent/CN212540592U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118091329A (en) * | 2024-04-24 | 2024-05-28 | 上海海能信息科技股份有限公司 | Travelling wave trigger threshold dynamic adjustment method based on background interference level |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210212 Termination date: 20210628 |