CN203177892U - Collector used for SF6 leakage alarm system - Google Patents
Collector used for SF6 leakage alarm system Download PDFInfo
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- CN203177892U CN203177892U CN 201320146998 CN201320146998U CN203177892U CN 203177892 U CN203177892 U CN 203177892U CN 201320146998 CN201320146998 CN 201320146998 CN 201320146998 U CN201320146998 U CN 201320146998U CN 203177892 U CN203177892 U CN 203177892U
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- chip microcomputer
- alarm system
- leakage alarm
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Abstract
A collector used for a SF6 leakage alarm system comprises a single-chip microcomputer, a clock circuit, an O2 sensor, a SF6 sensor, an I/V conversion circuit and a temperature and humidity sensor. The SF6 sensor, the O2 sensor and the temperature and humidity sensor are connected with a data interface of the single-chip microcomputer through the I/V conversion circuit. The clock circuit is connected with a monitoring interface of the single-chip microcomputer. By using the collector of the utility model, implementation is convenient; management and maintenance are easy; mobility is good; real-time remote monitoring can be performed on the SF6 leakage alarm system; geographical and environmental constraints are broken through. The collector is especially suitable for dispersive SF6 switchgear rooms with a large scope.
Description
Technical field
The utility model relates to a kind of detection system of power domain, is specifically related to a kind of collector for SF6 leakage alarm system.
Background technology
Sulfur hexafluoride (SF6) gas has good electrical insulation properties and excellent arc extinction performance, widespread use in electric switch equipment; Simultaneously it is again a kind of asphyxiant, is exposed in the atmosphere of oxygen content＜19.5% and can makes people's dizziness, vomits, loses consciousness or dead; The analyte sulfur tetrafluoride (SF4) that SF6 gas discharges through the high temperature arcing, bifluoride sulphur (SF2) etc. have severe toxicity, and is harmful to human eye and respiratory system.The leakage of sulfur hexafluoride in the electric switch equipment (SF6) gas has very big influence to personal safety and environmental protection.For this reason, special provision in country's " electrical safe working order " and " operation maintenance of SF6 switchgear and the overhaul management regulation ": " in the low level district of SF6 power distribution equipment the monitoring alarm device that can monitor oxygen amount content and SF6 gas concentration should be installed, and necessary compound ventilation air-changing device is installed ".
Still all there are defective in the existing multiple principle of SF6 leakage alarm system on the market and form: be difficult to carry out remote monitoring in actual use at present! The switch gear room of SF6 ring main unit particularly is installed, and quantity is many, and it is wide to distribute, and maintenance workload is big, lacks effective communication modes.
The utility model content
A kind of collector for SF6 leakage alarm system that the utility model provides, it is convenient to implement, it is good to be easy to management, easy care, movability, realization is to the real-time remote monitoring monitoring of SF6 leakage alarm system, break through the restriction on region and the environment, be specially adapted to the SF6 switch gear room that scope is big and disperse.
In order to achieve the above object, the utility model provides a kind of collector for SF6 leakage alarm system, and this collector comprises single-chip microcomputer, clock circuit, O2 sensor, SF6 sensor, I/V change-over circuit and Temperature Humidity Sensor; SF6 sensor, O2 sensor and Temperature Humidity Sensor are connected with the data-interface of single-chip microcomputer by the I/V conversion circuit, and clock circuit is connected with the monitoring interface of single-chip microcomputer.
Described collector also comprises power supply, and this power supply is connected with the power interface of single-chip microcomputer.
Described collector also comprises keyboard, and this keyboard is connected with the data-interface of single-chip microcomputer.
Described collector also comprises bus interface, and this bus interface is connected with the communication interface of single-chip microcomputer.
The utility model need not to increase wiring, and it is convenient to implement, and it is good to be easy to management, easy care, movability, realizes the real-time remote monitoring monitoring to SF6 leakage alarm system, is specially adapted to the SF6 switch gear room that scope is big and disperse.
Description of drawings
Fig. 1 is structured flowchart of the present utility model.
Embodiment
Followingly specify preferred embodiment of the present utility model according to Fig. 1.
As shown in Figure 1, the utility model provides a kind of collector for SF6 leakage alarm system, and this collector 2 comprises single-chip microcomputer 21, power supply 22, keyboard 23, clock circuit 24, O2 sensor 25, SF6 sensor 26, I/V change-over circuit 27, Temperature Humidity Sensor 28 and bus interface 29;
Power supply 22 is connected with the power interface of single-chip microcomputer 21, SF6 sensor 26, O2 sensor 25 and Temperature Humidity Sensor 28 are connected by the data-interface of I/V conversion circuit 27 with single-chip microcomputer 21, clock circuit 24 is connected with the monitoring interface of single-chip microcomputer 21, keyboard 23 is connected with the data-interface of single-chip microcomputer 21, and bus interface 29 is connected with the communication interface of single-chip microcomputer 21.
The work of the whole collector of described single-chip microcomputer 21 controls, power supply 22 provides electric power for whole collector, keyboard 23 input operations instruction, clock circuit 24 is set the time of automatic regular polling, O2 sensor 25 is measured the numerical value of O2, SF6 sensor 26 is measured the numerical value of SF6, Temperature Humidity Sensor 28 is measured the numerical value of humiture, I/V change-over circuit 27 carries out the measurement numerical value of O2 sensor 25, SF6 sensor 26 and Temperature Humidity Sensor 28 to export to single-chip microcomputer 21 after the I/V conversion, and bus interface 29 provides the connecting interface of other modules in collector and the SF6 leakage alarm system.
The model of single-chip microcomputer 21 is C8051F410, the model of power supply 22 is bright latitude RS100, the model of clock 24 is DS1302, the model of O2 sensor 25 is I-01T, the model of SF6 sensor is SMART SF6, the model of I/V change-over circuit 27 is TLC1549, and the model of Temperature Humidity Sensor 28 is SHT11, and the model of bus interface 29 is 74LBC184.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be apparent.Therefore, protection domain of the present utility model should be limited to the appended claims.
Claims (4)
1. collector that is used for SF6 leakage alarm system, it is characterized in that this collector (2) comprises single-chip microcomputer (21), clock circuit (24), O2 sensor (25), SF6 sensor (26), I/V change-over circuit (27) and Temperature Humidity Sensor (28); SF6 sensor (26), O2 sensor (25) and Temperature Humidity Sensor (28) are connected by the data-interface of I/V conversion circuit (27) with single-chip microcomputer (21), and clock circuit (24) is connected with the monitoring interface of single-chip microcomputer (21).
2. the collector for SF6 leakage alarm system as claimed in claim 1 is characterized in that, described collector also comprises power supply (22), and this power supply (22) is connected with the power interface of single-chip microcomputer (21).
3. the collector for SF6 leakage alarm system as claimed in claim 1 is characterized in that, described collector also comprises keyboard (23), and this keyboard (23) is connected with the data-interface of single-chip microcomputer (21).
4. the collector for SF6 leakage alarm system as claimed in claim 1 is characterized in that, described collector also comprises bus interface (29), and this bus interface (29) is connected with the communication interface of single-chip microcomputer (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146998 CN203177892U (en) | 2013-03-28 | 2013-03-28 | Collector used for SF6 leakage alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320146998 CN203177892U (en) | 2013-03-28 | 2013-03-28 | Collector used for SF6 leakage alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203177892U true CN203177892U (en) | 2013-09-04 |
Family
ID=49074575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320146998 Expired - Lifetime CN203177892U (en) | 2013-03-28 | 2013-03-28 | Collector used for SF6 leakage alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203177892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290723A (en) * | 2016-07-29 | 2017-01-04 | 国网北京市电力公司 | Gas leakage monitoring system |
-
2013
- 2013-03-28 CN CN 201320146998 patent/CN203177892U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106290723A (en) * | 2016-07-29 | 2017-01-04 | 国网北京市电力公司 | Gas leakage monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130904 |