CN203084115U - Monitoring apparatus - Google Patents
Monitoring apparatus Download PDFInfo
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- CN203084115U CN203084115U CN 201320008366 CN201320008366U CN203084115U CN 203084115 U CN203084115 U CN 203084115U CN 201320008366 CN201320008366 CN 201320008366 CN 201320008366 U CN201320008366 U CN 201320008366U CN 203084115 U CN203084115 U CN 203084115U
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- detecting equipment
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Abstract
The utility model relates to the field of monitoring technology, and discloses a monitoring apparatus, which comprises a current detection device, a voltage detection device, an analog-to-digital converter, a processor, a storage device, a display device, a card reading module, an alarm module and a power supply. The current detection device is connected with a three-phase current transformer, the voltage detection device is connected with a three-phase bus, and the current and voltage detection devices are respectively connected with the analog-to-digital converter; the analog-to-digital converter is connected with the processor; and the storage device, the display device, the card reading module and the alarm module are connected with the processor respectively; the power supply comprises a protective circuit, a main power supply, a standby battery, and a power switching circuit; the protective circuit, the standby battery and the power switching circuit are respectively connected with the main power supply, and the power switching circuit is connected with the standby battery; 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 switching circuit respectively. The monitoring apparatus can monitor a distribution system.
Description
Technical field
The utility model relates to monitoring technical field, mainly is applicable to monitoring device.
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, 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 to comprise: current detecting equipment, voltage detecting equipment, analog to digital converter, processor, memory device, display device, card reading module, alarm 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, and current detecting equipment is connected with the input end of described analog to digital converter respectively separately with voltage detecting equipment; 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; Described power supply comprises: holding circuit, primary power, reserve battery and power supply switch circuit; Described holding circuit, described reserve battery and described power supply switch circuit are connected with described primary power respectively separately, and power supply switch circuit also is connected with reserve battery; Analog to digital converter, memory device, display device, card reading module, alarm module and processor are connected with power supply switch circuit respectively separately.
Further, described alarm module comprises: alarm lamp and hummer; Described alarm lamp is connected with described processor respectively separately with described hummer, and alarm lamp also is connected with described power supply switch circuit with hummer.
Further, described current detecting equipment is a current sensor.
Further, described voltage detecting equipment is voltage sensor.
Further, described display device is a LCD display.
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 the utility model provides is gathered the current data and the voltage data of distribution system respectively by current sensor and voltage 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 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 the utility model proposes are elaborated.
As shown in Figure 1, the monitoring device that provides of the utility model comprises: current detecting equipment, voltage detecting equipment, analog to digital converter, processor, memory device, display device, card reading module, alarm module and power supply; The input end of current detecting equipment is connected with the threephase current transformer of distribution system, and the input end of voltage detecting equipment is connected with the three-phase bus of distribution system, and current detecting equipment is connected with the input end of analog to digital converter respectively separately with voltage detecting equipment; 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.Power supply comprises: holding circuit, primary power, reserve battery and power supply switch circuit; Holding circuit, reserve battery and power supply switch circuit are connected with primary power respectively separately, and power supply switch circuit also is connected with reserve battery.Analog to digital converter, memory device, display device, card reading module, alarm module and processor are connected with power supply switch circuit respectively separately.
Preferably, alarm module comprises: alarm lamp and hummer; Alarm lamp is connected with processor respectively separately with hummer, and alarm lamp also is connected with power supply switch circuit with hummer.
In the present embodiment, current detecting equipment is a current sensor, and voltage detecting equipment is voltage sensor, and display device is a LCD display, and the model of processor is the STM32F101C8T6 that ST Microelectronics produces.
The monitoring device 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 to distribution system.Current sensor and voltage sensor output to analog to digital converter with detected data respectively separately and carry out analog to digital conversion; Analog to digital converter will output to processor through analog-to-digital current data and voltage data again; Processor is analyzed the current data and the voltage data that receive, current data that again will be by analysis and voltage data 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, 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, then trigger pip is outputed to alarm lamp and hummer, alarm lamp is lighted after receiving trigger pip, hummer gives the alarm after receiving trigger pip, so just, realize the warning function of substation transformer under unusual service condition, improved practicality of the present utility model.In addition, the staff can be as required, by card reading module with the data storing in the memory device in storage card, thereby the distribution Monitoring Data is easy to carry, further 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.
The monitoring device that the utility model provides is gathered the current data and the voltage data of distribution system respectively by current sensor and voltage 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. a monitoring device is characterized in that, comprising: current detecting equipment, voltage detecting equipment, analog to digital converter, processor, memory device, display device, card reading module, alarm 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, and current detecting equipment is connected with the input end of described analog to digital converter respectively separately with voltage detecting equipment; 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; Described power supply comprises: holding circuit, primary power, reserve battery and power supply switch circuit; Described holding circuit, described reserve battery and described power supply switch circuit are connected with described primary power respectively separately, and power supply switch circuit also is connected with reserve battery; Analog to digital converter, memory device, display device, card reading module, alarm module and processor are connected with power supply switch circuit respectively separately.
2. monitoring device as claimed in claim 1 is characterized in that, described alarm module comprises: alarm lamp and hummer; Described alarm lamp is connected with described processor respectively separately with described hummer, and alarm lamp also is connected with described power supply switch circuit with hummer.
3. monitoring device as claimed in claim 1 or 2 is characterized in that, described current detecting equipment is a current sensor.
4. monitoring device as claimed in claim 1 or 2 is characterized in that, described voltage detecting equipment is voltage sensor.
5. monitoring device as claimed in claim 3 is characterized in that, described voltage detecting equipment is voltage sensor.
6. monitoring device as claimed in claim 1 or 2 is characterized in that, described display device is a LCD display.
7. monitoring device as claimed in claim 5 is characterized in that, described display device is a LCD display.
8. monitoring device as claimed in claim 1 or 2 is characterized in that, the model of described processor is the STM32F101C8T6 that ST Microelectronics produces.
9. monitoring device as claimed in claim 5 is characterized in that, the model of described processor is the STM32F101C8T6 that ST Microelectronics produces.
10. monitoring device 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 201320008366 CN203084115U (en) | 2013-01-08 | 2013-01-08 | Monitoring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008366 CN203084115U (en) | 2013-01-08 | 2013-01-08 | Monitoring apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084115U true CN203084115U (en) | 2013-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320008366 Expired - Fee Related CN203084115U (en) | 2013-01-08 | 2013-01-08 | Monitoring apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203084115U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954574A (en) * | 2016-07-22 | 2016-09-21 | 安徽亚辉电气自动化有限公司 | Measurement and control system for switch cabinet zero-sequence current |
| CN107472059A (en) * | 2017-07-31 | 2017-12-15 | 合肥江淮朝柴动力有限公司 | A kind of flowing water line material is launched and uses AGV and its application method |
-
2013
- 2013-01-08 CN CN 201320008366 patent/CN203084115U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954574A (en) * | 2016-07-22 | 2016-09-21 | 安徽亚辉电气自动化有限公司 | Measurement and control system for switch cabinet zero-sequence current |
| CN107472059A (en) * | 2017-07-31 | 2017-12-15 | 合肥江淮朝柴动力有限公司 | A kind of flowing water line material is launched and uses AGV and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |