CN203084114U - Monitor - Google Patents
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- CN203084114U CN203084114U CN 201320008356 CN201320008356U CN203084114U CN 203084114 U CN203084114 U CN 203084114U CN 201320008356 CN201320008356 CN 201320008356 CN 201320008356 U CN201320008356 U CN 201320008356U CN 203084114 U CN203084114 U CN 203084114U
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- monitor
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- analog
- digital converter
- processor
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Abstract
The utility model relates to the field of monitoring technology, and discloses a monitor, which comprises a current detection device, a voltage detection device, a temperature device, an analog-to-digital converter, a processor, a storage device, a display device, a communication 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 current and voltage detection devices are respectively connected with the input end of the analog-to-digital converter; the temperature detection device is arranged in a distribution transformer, and is connected with the input end of the analog-to-digital converter; the output of the analog-to-digital converter is connected with the processor; the storage device, the display device and the communication module are connected with the processor respectively; and the analog-to-digital converter, the storage device, the display device, the communication module and the processor are connected with the power supply respectively. The monitor can monitor a distribution system, and is simple in structure, substantial in effect and strong in practicality.
Description
Technical field
The utility model relates to monitoring technical field, mainly is applicable to monitor.
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 monitor, and it can be monitored distribution system.
For solving the problems of the technologies described above, the utility model provides a kind of monitor to comprise: current detecting equipment, voltage detecting equipment, temperature testing equipment, analog to digital converter, processor, memory device, display device, communication 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; Described temperature testing equipment is arranged in the substation transformer, and temperature testing equipment is connected with the input end of analog to digital converter; The output terminal of analog to digital converter is connected with described processor; Described memory device, described display device and described communication module are connected with processor respectively separately; Analog to digital converter, memory device, display device, communication module and processor are connected with described power supply respectively separately.
Further, described power supply comprises: battery, current converter circuit and power supply switch circuit; Described current converter circuit connects communication power supply; Described battery all is connected with described analog to digital converter, described memory device, described display device, described communication module and described processor by described power supply switch circuit with current converter circuit.
Further, also comprise: isolated amplifier; Described current detecting equipment, described voltage detecting equipment and described temperature testing equipment are connected with described analog to digital converter by described isolated amplifier.
Further, described current detecting equipment is a current sensor.
Further, described voltage detecting equipment is voltage sensor.
Further, described temperature testing equipment is a temperature sensor.
Further, the model of described processor is the STM32F101C8T6 that ST Microelectronics produces.
The beneficial effects of the utility model are:
The monitor 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 isolated amplifier and analog to digital converter successively.Processor carries out analyzing and processing to the data that receive again, and output shows, stores and transmission, thereby has realized the monitoring to distribution system.The utility model is simple in structure, effect is remarkable, practical.
Description of drawings
The structural representation of the monitor 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, and below in conjunction with accompanying drawing and preferred embodiment, embodiment and principle of work according to the monitor that the utility model proposes is elaborated.
As shown in Figure 1, the monitor that provides of the utility model embodiment comprises: current detecting equipment, voltage detecting equipment, temperature testing equipment, analog to digital converter, processor, memory device, display device, communication 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; Temperature testing equipment is arranged in the substation transformer, and temperature testing equipment is connected with the input end of analog to digital converter; The output terminal of analog to digital converter is connected with processor; Memory device, display device and communication module are connected with processor respectively separately; Analog to digital converter, memory device, display device, communication module and processor are connected with power supply respectively separately.Concrete, power supply comprises: battery, current converter circuit and power supply switch circuit; Current converter circuit connects the communication power supply of 220V; Battery all is connected with analog to digital converter, memory device, display device, communication module and processor by power supply switch circuit with current converter circuit.
For with the undesired signal filtering, obtain current data, voltage data and temperature data, isolated amplifier is arranged between current detecting equipment, voltage detecting equipment, temperature testing equipment and the circuit that analog to digital converter is connected.
In the present embodiment, current detecting equipment is a current sensor, and voltage detecting equipment is voltage sensor, temperature testing equipment is a temperature sensor, display device is a LCD display, and communication module is a gsm module, and the model of processor is the STM32F101C8T6 that ST Microelectronics produces.
The monitor that the utility model embodiment provides is in when work, by the current data of current sensor senses to distribution system, by the voltage data of voltage sensor senses to distribution system, detects temperature data in the substation transformer by temperature sensor; 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, the utility model can also by communication module will by sensor to data transmission to main website, the staff can carry out associative operation according to the data that receive.
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.
Here need to prove, when monitor power down that the utility model provides, can powering mode be switched to powered battery by the AC-powered of 220V by power supply switch circuit, thereby guaranteed operate as normal of the present utility model, further increased practicality of the present utility model and stability.
The monitor 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 isolated amplifier and analog to digital converter successively.Processor carries out analyzing and processing to the data that receive again, and output shows, stores and transmission, thereby has realized the monitoring to distribution system.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 monitor is characterized in that, comprising: current detecting equipment, voltage detecting equipment, temperature testing equipment, analog to digital converter, processor, memory device, display device, communication 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; Described temperature testing equipment is arranged in the substation transformer, and temperature testing equipment is connected with the input end of analog to digital converter; The output terminal of analog to digital converter is connected with described processor; Described memory device, described display device and described communication module are connected with processor respectively separately; Analog to digital converter, memory device, display device, communication module and processor are connected with described power supply respectively separately.
2. monitor as claimed in claim 1 is characterized in that, described power supply comprises: battery, current converter circuit and power supply switch circuit; Described current converter circuit connects communication power supply; Described battery all is connected with described analog to digital converter, described memory device, described display device, described communication module and described processor by described power supply switch circuit with current converter circuit.
3. monitor as claimed in claim 1 or 2 is characterized in that, also comprises: isolated amplifier; Described current detecting equipment, described voltage detecting equipment and described temperature testing equipment are connected with described analog to digital converter by described isolated amplifier.
4. monitor as claimed in claim 1 or 2 is characterized in that, described current detecting equipment is a current sensor.
5. monitor as claimed in claim 3 is characterized in that, described current detecting equipment is a current sensor.
6. monitor as claimed in claim 1 or 2 is characterized in that, described voltage detecting equipment is voltage sensor.
7. monitor as claimed in claim 5 is characterized in that, described voltage detecting equipment is voltage sensor.
8. monitor as claimed in claim 7 is characterized in that, described temperature testing equipment is a temperature sensor.
9. monitor as claimed in claim 1 or 2 is characterized in that, the model of described processor is the STM32F101C8T6 that ST Microelectronics produces.
10. monitor as claimed in claim 8 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 201320008356 CN203084114U (en) | 2013-01-08 | 2013-01-08 | Monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320008356 CN203084114U (en) | 2013-01-08 | 2013-01-08 | Monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203084114U true CN203084114U (en) | 2013-07-24 |
Family
ID=48829939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320008356 Expired - Fee Related CN203084114U (en) | 2013-01-08 | 2013-01-08 | Monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203084114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569646A (en) * | 2013-10-24 | 2015-04-29 | 国家电网公司 | Electrical equipment monitoring device |
-
2013
- 2013-01-08 CN CN 201320008356 patent/CN203084114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104569646A (en) * | 2013-10-24 | 2015-04-29 | 国家电网公司 | Electrical equipment monitoring device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20170108 |