CN203084117U - Monitoring device suitable for power distribution system - Google Patents
Monitoring device suitable for power distribution system Download PDFInfo
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- CN203084117U CN203084117U CN 201320008368 CN201320008368U CN203084117U CN 203084117 U CN203084117 U CN 203084117U CN 201320008368 CN201320008368 CN 201320008368 CN 201320008368 U CN201320008368 U CN 201320008368U CN 203084117 U CN203084117 U CN 203084117U
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Abstract
The utility model relates to the technical field of monitoring equipment, and discloses a monitoring device suitable for a power distribution system, which comprises a current detection device, a voltage detection device, a temperature detection device, an isolation amplifier, an analog-to-digital converter, a processor, a storage device, an alarm module, a display device, a card reading module and a power supply. The input end of the current detection device is connected with a three-phase current transformer, the input end of the voltage detection device is connected with a three-phase bus, and the temperature detection device is arranged in a distribution transformer, wherein the current, voltage and temperature detection devices are respectively connected with the input end of analog-to-digital converter via the isolation amplifier; the output end of the analog-to-digital converter is connected with the processor; the storage device, the display device, the card reading module and the alarm module are connected with the processor respectively; and the analog-to-digital converter, the storage device, the display device, the card reading module, the alarm module and the processor are connected with the power supply respectively. The monitoring device is capable of monitoring the power distribution system.
Description
Technical field
The utility model relates to the monitoring device technical field, mainly is applicable to the monitoring device of distribution system.
Background technology
In the power supply and distribution of electric power system, substation transformer is a power equipment of high pressure directly being distributed to low-voltage customer, and quantity is many and use general.The real-time various operational factors of monitoring substation transformer are with the be in operation abnormal conditions that occur and controlled and solve of timely discovery substation transformer, to the stabilization of power grids, optimize operation and have crucial meaning.But present existing monitoring system can't effectively be monitored distribution network.
The utility model content
Technical problem to be solved in the utility model provides a kind of monitoring device that is applicable to distribution system, and it can be monitored distribution system.
For solving the problems of the technologies described above, the utility model provides a kind of monitoring device of distribution system that is applicable to comprise: current detecting equipment, voltage detecting equipment, temperature testing equipment, isolated amplifier, analog to digital converter, processor, memory device, alarm module, display device, card reading module and power supply; The input end of described current detecting equipment is connected with the threephase current transformer of distribution system, the input end of described voltage detecting equipment is connected with the three-phase bus of distribution system, described temperature testing equipment is arranged in the substation transformer, and current detecting equipment, voltage detecting equipment and temperature testing equipment are connected with the input end of described analog to digital converter by described isolated amplifier respectively separately; The output terminal of analog to digital converter is connected with described processor; Described memory device, described display device, described card reading module and described alarm module are connected with processor respectively separately; Analog to digital converter, memory device, display device, card reading module, alarm module and processor are connected with described power supply respectively separately.
Further, also comprise: device box; Also comprise: electronic password lock and electronic password lock driving circuit; Described electronic password lock is arranged on the described device box, and electronic password lock is connected with described processor by described electronic password lock driving circuit.
Further, also comprise: communication module; Described communication module comprises: wifi module and ethernet interface module; Described wifi module is connected with described processor, and described ethernet interface module is connected with processor by described analog to digital converter.
Further, described memory device comprises: flash memory, SDRAM and hard disk; Described flash memory is connected with described SDRAM, and flash memory all is connected with described processor with SDRAM, and SDRAM also is connected with described hard disk.
Further, described alarm module comprises: relay and hummer; Described relay is connected with described processor, described power supply, and described hummer is connected with relay.
Further, described power supply comprises: transformer, filtering circuit and mu balanced circuit; The input end of described transformer connects AC power, and the output terminal of transformer is connected with described mu balanced circuit by described filtering circuit; The output terminal of mu balanced circuit connects described analog to digital converter, described memory device, described display device, described card reading module, described alarm module and described processor.
Further, the model of described processor is the STM32F101C8T6 that ST Microelectronics produces.
The beneficial effects of the utility model are:
The monitoring device that is applicable to distribution system that the utility model provides is gathered current data, voltage data and the temperature data of distribution system respectively by current sensor, voltage sensor and temperature sensor, again the data that collect is outputed to processor by analog to digital converter.Processor carries out analyzing and processing to the data that receive again, and the output demonstration is also stored, thereby has realized the monitoring to distribution system.In addition, the utility model can also be realized the warning function of substation transformer under unusual service condition.The utility model is simple in structure, effect is remarkable, practical.
Description of drawings
The structural representation of the monitoring device that is applicable to distribution system that Fig. 1 provides for the utility model embodiment.
Embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, embodiment and principle of work according to the monitoring device that is applicable to distribution system that the utility model proposes are elaborated.
As shown in Figure 1, the monitoring device that is applicable to distribution system that the utility model embodiment provides comprises: current detecting equipment, voltage detecting equipment, temperature testing equipment, isolated amplifier, analog to digital converter, processor, memory device, alarm module, display device, card reading module and power supply; The input end of current detecting equipment is connected with the threephase current transformer of distribution system, the input end of voltage detecting equipment is connected with the three-phase bus of distribution system, temperature testing equipment is arranged in the substation transformer, and current detecting equipment, voltage detecting equipment and temperature testing equipment are connected with the input end of analog to digital converter by isolated amplifier respectively separately; The output terminal of analog to digital converter is connected with processor; Memory device, display device, card reading module and alarm module are connected with processor respectively separately; Wherein, card reading module is connected with processor by the RS-232 communication interface.Analog to digital converter, memory device, display device, card reading module, alarm module and processor are connected with power supply respectively separately.Concrete, memory device comprises: flash memory, SDRAM and hard disk; Flash memory is connected with SDRAM, and flash memory all is connected with processor with SDRAM, and SDRAM also is connected with hard disk.Alarm module comprises: relay and hummer; Relay is connected with processor, power supply, and hummer is connected with relay.Further, power supply comprises: transformer, filtering circuit and mu balanced circuit; The input end of transformer connects the AC power of 220V, and the output terminal of transformer is connected with mu balanced circuit by filtering circuit; Output terminal connection mode number converter, memory device, display device, card reading module, relay and the processor of mu balanced circuit.
Protect for the monitoring device that is applicable to distribution system that the utility model is provided, electronic password lock is arranged on the device box, electronic password lock is connected with processor by the electronic password lock driving circuit.
For the monitoring device that is applicable to distribution system that the utility model is provided has the remote data transmission function, the utility model also comprises: communication module; Communication module comprises: wifi module and ethernet interface module; The wifi module is connected with processor, and ethernet interface module is connected with processor by analog to digital converter.
In the present embodiment, current detecting equipment is a current sensor, and voltage detecting equipment is voltage sensor, and temperature testing equipment is a temperature sensor, and display device is a LCD display, and the model of processor is the STM32F101C8T6 that ST Microelectronics produces.
The monitoring device that is applicable to distribution system that the utility model embodiment provides is when work, by the current data of current sensor senses to distribution system, by the voltage data of voltage sensor senses, detect temperature data in the substation transformer by temperature sensor to distribution system; Current sensor, voltage sensor and temperature sensor output to analog to digital converter with detected data by isolated amplifier respectively separately and carry out analog to digital conversion; Analog to digital converter will output to processor through analog-to-digital current data, voltage data and temperature data again; Processor is analyzed the current data, voltage data and the temperature data that receive, current data, voltage data and temperature data that again will be by analysis output to LCD display and show, and data are outputed to memory device store, thereby realized monitoring, demonstration and storage to distribution system.Need to prove,, then trigger pip is outputed to relay if processor is unusual service conditions such as substation transformer is exported phase, output power down, output decompression, electric current is out-of-limit, voltage is out-of-limit to the analysis result of the data that receive.Relay gets electric, the closing of contact, and hummer gets electric alarm, thereby has realized the warning function of substation transformer under unusual service condition, has improved practicality of the present utility model.
Can monitor following data by the utility model:
(1) three-phase voltage: A phase and B phase voltage 0V～330V(effective value), the C phase voltage is greater than the 187V(effective value), precision is not less than the 0.2%(sine wave.Add last digit half unit round-off error promptly ± 0.05V);
(2) three-phase current: 0A～1500A(effective value, adapted suitable current mutual inductor, Current Transformer Secondary side rated current 5A).Button is selected the type of current transformer, the reading direct-reading, and precision is not less than 0.2% and (does not count the error of external impressed current mutual inductor, down together.Sinusoidal wave.Add the round-off error of the half unit of last digit);
(3) three phases active power: range changes automatically with current range, direct-reading KW, and precision is not less than 0.5%;
(4) three phase reactive power: range changes automatically with current range, direct-reading Kvar, and precision is not less than 0.5%;
(5) three-phase applied power: range changes automatically with current range, direct-reading KVA, and precision is not less than 0.5%; Three-phase activity coefficient: 0～1.0.
(6) temperature in the substation transformer.
Need to prove that also the monitoring device that is applicable to distribution system that the utility model provides both can utilize the wifi module to realize that wireless network connects, can utilize ethernet interface module to realize that by netting twine cable network connects again.
The monitoring device that is applicable to distribution system that the utility model provides is gathered current data, voltage data and the temperature data of distribution system respectively by current sensor, voltage sensor and temperature sensor, again the data that collect is outputed to processor by analog to digital converter.Processor carries out analyzing and processing to the data that receive again, and the output demonstration is also stored, thereby has realized the monitoring to distribution system.In addition, the utility model can also be realized the warning function of substation transformer under unusual service condition.The utility model is simple in structure, effect is remarkable, practical.
It should be noted last that, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to example, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (10)
1. monitoring device that is applicable to distribution system, it is characterized in that, comprising: current detecting equipment, voltage detecting equipment, temperature testing equipment, isolated amplifier, analog to digital converter, processor, memory device, alarm module, display device, card reading module and power supply; The input end of described current detecting equipment is connected with the threephase current transformer of distribution system, the input end of described voltage detecting equipment is connected with the three-phase bus of distribution system, described temperature testing equipment is arranged in the substation transformer, and current detecting equipment, voltage detecting equipment and temperature testing equipment are connected with the input end of described analog to digital converter by described isolated amplifier respectively separately; The output terminal of analog to digital converter is connected with described processor; Described memory device, described display device, described card reading module and described alarm module are connected with processor respectively separately; Analog to digital converter, memory device, display device, card reading module, alarm module and processor are connected with described power supply respectively separately.
2. the monitoring device that is applicable to distribution system as claimed in claim 1 also comprises: device box; It is characterized in that, also comprise: electronic password lock and electronic password lock driving circuit; Described electronic password lock is arranged on the described device box, and electronic password lock is connected with described processor by described electronic password lock driving circuit.
3. the monitoring device that is applicable to distribution system as claimed in claim 1 or 2 is characterized in that, also comprises: communication module; Described communication module comprises: wifi module and ethernet interface module; Described wifi module is connected with described processor, and described ethernet interface module is connected with processor by described analog to digital converter.
4. the monitoring device that is applicable to distribution system as claimed in claim 1 or 2 is characterized in that, described memory device comprises: flash memory, SDRAM and hard disk; Described flash memory is connected with described SDRAM, and flash memory all is connected with described processor with SDRAM, and SDRAM also is connected with described hard disk.
5. the monitoring device that is applicable to distribution system as claimed in claim 3 is characterized in that, described memory device comprises: flash memory, SDRAM and hard disk; Described flash memory is connected with described SDRAM, and flash memory all is connected with described processor with SDRAM, and SDRAM also is connected with described hard disk.
6. the monitoring device that is applicable to distribution system as claimed in claim 1 or 2 is characterized in that, described alarm module comprises: relay and hummer; Described relay is connected with described processor, described power supply, and described hummer is connected with relay.
7. the monitoring device that is applicable to distribution system as claimed in claim 5 is characterized in that, described alarm module comprises: relay and hummer; Described relay is connected with described processor, described power supply, and described hummer is connected with relay.
8. the monitoring device that is applicable to distribution system as claimed in claim 1 or 2 is characterized in that, described power supply comprises: transformer, filtering circuit and mu balanced circuit; The input end of described transformer connects AC power, and the output terminal of transformer is connected with described mu balanced circuit by described filtering circuit; The output terminal of mu balanced circuit connects described analog to digital converter, described memory device, described display device, described card reading module, described alarm module and described processor.
9. the monitoring device that is applicable to distribution system as claimed in claim 1 or 2 is characterized in that, the model of described processor is the STM32F101C8T6 that ST Microelectronics produces.
10. the monitoring device that is applicable to distribution system as claimed in claim 7 is characterized in that, the model of described processor is the STM32F101C8T6 that ST Microelectronics produces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008368 CN203084117U (en) | 2013-01-08 | 2013-01-08 | Monitoring device suitable for power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008368 CN203084117U (en) | 2013-01-08 | 2013-01-08 | Monitoring device suitable for power distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084117U true CN203084117U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320008368 Expired - Fee Related CN203084117U (en) | 2013-01-08 | 2013-01-08 | Monitoring device suitable for power distribution system |
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| CN (1) | CN203084117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362532A (en) * | 2014-11-25 | 2015-02-18 | 国网吉林省电力有限公司延边供电公司 | Modular transformer substation system |
-
2013
- 2013-01-08 CN CN 201320008368 patent/CN203084117U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104362532A (en) * | 2014-11-25 | 2015-02-18 | 国网吉林省电力有限公司延边供电公司 | Modular transformer substation system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20170108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |