CN203178730U - Host module used for SF6 leakage alarm system - Google Patents
Host module used for SF6 leakage alarm system Download PDFInfo
- Publication number
- CN203178730U CN203178730U CN 201320147455 CN201320147455U CN203178730U CN 203178730 U CN203178730 U CN 203178730U CN 201320147455 CN201320147455 CN 201320147455 CN 201320147455 U CN201320147455 U CN 201320147455U CN 203178730 U CN203178730 U CN 203178730U
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- CN
- China
- Prior art keywords
- chip microcomputer
- interface
- host module
- alarm system
- leakage alarm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
A host module used for a SF6 leakage alarm system is disclosed. The host module comprises a single-chip microcomputer, a liquid crystal, a clock circuit, a memory and a bus interface. The liquid crystal is connected with an I/O interface of the single-chip microcomputer. The memory is connected with a storage interface of the single-chip microcomputer. The clock circuit is connected with a monitoring interface of the single-chip microcomputer. The bus interface is connected with a communication interface of the single-chip microcomputer. By using the host module 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 host module 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 for SF
6The host module of leakage alarm system.
Background technology
Sulfur hexafluoride (SF
6) 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; SF
6The analyte sulfur tetrafluoride (SF4) that gas discharges through the high temperature arcing, bifluoride sulphur (SF2) etc. have severe toxicity, and is harmful to human eye and respiratory system.Sulfur hexafluoride (SF in the electric switch equipment
6) leakage of gas has very big influence to personal safety and environmental protection.For this reason, country " electrical safe working order " and " SF
6Switchgear operation maintenance and overhaul management regulation " middle special provision: " at SF
6The low level district of power distribution equipment should install and can monitor oxygen amount content and SF
6The monitoring alarm device of gas concentration, and necessary compound ventilation air-changing device is installed ".
Present SF on the market
6The existing multiple principle of leakage alarm system and form, but all there is defective in actual use: be difficult to carry out remote monitoring! SF particularly is installed
6The switch gear room of ring main unit, quantity is many, and it is wide to distribute, and maintenance workload is big, lacks effective communication modes.
The utility model content
What the utility model provided is a kind of for SF
6The host module of leakage alarm system, it is convenient to implement, and it is good to be easy to management, easy care, movability, realizes SF
6The real-time remote monitoring monitoring of leakage alarm system breaks through the restriction on region and the environment, is specially adapted to the SF that scope is big and disperse
6The switch gear room.
In order to achieve the above object, the utility model provides a kind of for SF
6The host module of leakage alarm system, this host module comprises single-chip microcomputer, liquid crystal, clock circuit, storer and bus interface, liquid crystal is connected with the I/O interface of single-chip microcomputer, storer is connected with the memory interface of single-chip microcomputer, clock circuit is connected with the monitoring interface of single-chip microcomputer, and bus interface is connected with the communication interface of single-chip microcomputer.
Described host module also comprises power supply, and this power supply is connected with the power interface of single-chip microcomputer.
Described host module also comprises keyboard, and this keyboard is connected with the data-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 SF
6The real-time remote monitoring monitoring of leakage alarm system is specially adapted to the SF that scope is big and disperse
6The switch gear room.
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 for SF
6The host module of leakage alarm system, this host module comprises single-chip microcomputer 11, power supply 12, liquid crystal 13, clock circuit 14, storer 15, keyboard 16 and bus interface 17, power supply 12 is connected with the power interface of single-chip microcomputer 11, liquid crystal 13 is connected with the I/O interface of single-chip microcomputer 11, storer 15 is connected with the memory interface of single-chip microcomputer 11, clock circuit 14 is connected with the monitoring interface of single-chip microcomputer 11, keyboard 16 is connected with the data-interface of single-chip microcomputer 11, and bus interface 17 is connected with the communication interface of single-chip microcomputer 11.
The integrated operation of single-chip microcomputer 11 main control system modules, judge to the received signal and send warning, power supply 12 provides electric power for host module, liquid crystal 13 display operation information and states, clock circuit 14 is set the time of automatic regular polling, storer 15 storage information, keyboard 16 input operations instruction, bus interface 17 provides host module and SF
6The connecting interface of other modules in the leakage alarm system.
The model of single-chip microcomputer 11 is C8051F020, and the model of power supply 12 is bright latitude RS100, and the model of liquid crystal 13 is EW50352BCW, and the model of clock circuit 14 is DS12C887, and the model of storer 15 is FM24C256, and the model of bus interface 17 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 (3)
1. one kind is used for SF
6The host module of leakage alarm system, it is characterized in that, this host module comprises single-chip microcomputer (11), liquid crystal (13), clock circuit (14), storer (15) and bus interface (17), liquid crystal (13) is connected with the I/O interface of single-chip microcomputer (11), storer (15) is connected with the memory interface of single-chip microcomputer (11), clock circuit (14) is connected with the monitoring interface of single-chip microcomputer (11), and bus interface (17) is connected with the communication interface of single-chip microcomputer (11).
2. as claimed in claim 1 for SF
6The host module of leakage alarm system is characterized in that, described host module also comprises power supply (12), and this power supply (12) is connected with the power interface of single-chip microcomputer (11).
3. as claimed in claim 1 for SF
6The host module of leakage alarm system is characterized in that, described host module also comprises keyboard (16), and this keyboard (16) is connected with the data-interface of single-chip microcomputer (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147455 CN203178730U (en) | 2013-03-28 | 2013-03-28 | Host module used for SF6 leakage alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320147455 CN203178730U (en) | 2013-03-28 | 2013-03-28 | Host module used for SF6 leakage alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203178730U true CN203178730U (en) | 2013-09-04 |
Family
ID=49075405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320147455 Expired - Lifetime CN203178730U (en) | 2013-03-28 | 2013-03-28 | Host module used for SF6 leakage alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203178730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370796A (en) * | 2016-11-17 | 2017-02-01 | 福建闽高电力股份有限公司 | SF6 gas leakage detection and control circuit |
-
2013
- 2013-03-28 CN CN 201320147455 patent/CN203178730U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370796A (en) * | 2016-11-17 | 2017-02-01 | 福建闽高电力股份有限公司 | SF6 gas leakage detection and control circuit |
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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 |