CN2670944Y - Apparatus for testing sulfur hexafluoride gas in power substation high-voltage electrical appliance - Google Patents
Apparatus for testing sulfur hexafluoride gas in power substation high-voltage electrical appliance Download PDFInfo
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- CN2670944Y CN2670944Y CN 200320100440 CN200320100440U CN2670944Y CN 2670944 Y CN2670944 Y CN 2670944Y CN 200320100440 CN200320100440 CN 200320100440 CN 200320100440 U CN200320100440 U CN 200320100440U CN 2670944 Y CN2670944 Y CN 2670944Y
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- sulfur hexafluoride
- signal processor
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- pipeline
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Abstract
The utility model relates to an apparatus for testing the leaky situation of sulfur hexafluoride gas in a power substation high-voltage electrical appliance, comprising a gas suction device (4), a power (5), an acoustic wave comparator (6) and a signal processor (7). Wherein, the gas suction device (4), the acoustic wave comparator (6) and the signal processor (7) are respectively connected with the power (5). The suction port of the gas suction device (4) sucks the gas in the environment. The output port is connected with the input terminal of the acoustic wave comparator (6). The output terminal of the acoustic wave comparator (6) is connected with the signal processor (7). The utility model adopts the gas suction device to continuously suck the gas in the environment and make the gas enter the acoustic wave comparator according to differences of propagation velocity of acoustic wave in different gases. The output signal of the acoustic wave comparator enters the signal processor. When the gas concentration of sulphur hexafluoride reaches the alarm value preset by the signal processor, the signal processor controls an indicating lamp to flash and give an alarm by sound. The utility model can accurately detect the real gas concentration of sulphur hexafluoride and the detecting stability is better.
Description
1, technical field:
The utility model is that a kind of transformer station's High-Voltage Electrical Appliances that are used for detect sulfur hexafluoride (SF6) gas whether leakage is arranged, and the device that can report to the police, belongs to the renovation technique that detects the sulfur hexafluoride gas equipment therefor in transformer station's High-Voltage Electrical Appliances.
2, background technology:
Characteristics such as insulation characterisitic that sulfur hexafluoride gas is exclusive and arc extinguishing, be widely used in the High-Voltage Electrical Appliances in recent years, also a large amount of fully closed combined electric units (GS) that adopt sulfur hexafluoride gas to insulate that use in the transformer station, if but sulfur hexafluoride gas is in case reveal, bring influence will for the safe operation of electrical equipment, and because sulfur hexafluoride gas proportion is 5 times of air, contain toxic through the sulfur hexafluoride gas that decomposes, if its excessive concentration, can make the personnel that enter transformer station suffocate or poison, so, sulfur hexafluoride gas concentration to indoor environment detects necessary in good time, the existing pick-up unit that is used for transformer station's High-Voltage Electrical Appliances detection sulfur hexafluoride adopts chemical sensor to detect mostly, place it in the concentration of transformer station's internal induction sulfur hexafluoride gas, have only the life-span in 1 to 2 year, and have the frequency drift phenomenon but the shortcoming of its existence is a chemical sensor, often lost efficacy, be difficult to detect exactly real concentration.
3, summary of the invention:
The purpose of this utility model provides a kind of real sulfur hexafluoride gas concentration that not only can accurately detect overcoming above-mentioned shortcoming, and the stability that detects is used for the device that transformer station's High-Voltage Electrical Appliances detect sulfur hexafluoride preferably.
Structural representation of the present utility model as shown in drawings, include gas suction device (4), power supply (5), sound wave comparer (6), signal processor (7), wherein gas suction device (4), sound wave comparer (6) and signal processor (7) are connected with power supply (5) respectively, gas in the suction mouth suction environment of gas suction device (4), delivery outlet is connected with the input end of sound wave comparer (6), and the output terminal of sound wave comparer (6) is connected with signal processor (7).
Above-mentioned gas suction apparatus (4) can be diaphragm pump or diaphragm type compressor.
The suction mouth of above-mentioned gas suction apparatus (4) also is provided with some filtrators (3,1), connects by pipeline (2) between the adjacent filter.
Above-mentioned signal processor (7) can be micro processor.
The suction mouth of above-mentioned gas suction apparatus (4) also can directly be connected with the traffic pilot that is provided with some air valves (8) by pipeline (9), or the suction mouth of gas suction device (4) is connected with the traffic pilot that is provided with some air valves (8) by some filtrators (3,1), pipeline (2) and pipeline (9), the input port of the interior air valve of traffic pilot (8) can be connected with pipeline B respectively, and the delivery outlet of air valve is connected with the suction mouth of gas suction device (4) by pipeline (9).
The unlatching of the interior air valve of above-mentioned traffic pilot (8) and close and to adopt the programmable controller or the time relay to control.
Above-mentioned pipeline (2), pipeline (9) and pipeline B can be flexible pipe.
Unlatching, closed condition and the reflection that can be provided with the reflection air valve in the above-mentioned traffic pilot (8) in the environmental gas of this air valve suction, the concentration of its sulfur hexafluoride gas reaches the pilot lamp (10) of the alarming value of setting in the signal processor.
Above-mentioned pilot lamp (10) can be ordinary lamp and lantern or light emitting diode.
The utility model is according to the velocity of propagation difference of sound wave at gas with various, adopt the gas in the continuous suction environment of gas suction device, make it to enter the sound wave comparer, the output signal of sound wave comparer enters signal processor, when the concentration of sulfur hexafluoride gas reaches the alarming value of setting in the signal processor, signal processor produces alerting signal, the shinny and audible alarm of control pilot lamp.The utility model not only can detect real sulfur hexafluoride gas concentration exactly, and the stability that detects is better, is a kind of rational in infrastructure, design ingenious, function admirable, the convenient and practical device that is used for transformer station's High-Voltage Electrical Appliances detection sulfur hexafluoride gas.
4, description of drawings:
Fig. 1 is the structural representation of the utility model main body A;
Fig. 2 is the structural representation that the utility model host A is connected with traffic pilot (8);
Fig. 3 is the structural representation of the utility model traffic pilot (8).
5, embodiment:
Embodiment:
The structural representation of the utility model host A as shown in Figure 1, include gas suction device (4), power supply (5), sound wave comparer (6), signal processor (7), wherein gas suction device (4), sound wave comparer (6) and signal processor (7) are connected with power supply (5) respectively, gas in the suction mouth suction environment of gas suction device (4), delivery outlet is connected with the input end of sound wave comparer (6), and the output terminal of sound wave comparer (6) is connected with signal processor (7).Above-mentioned gas suction apparatus (4) can be membrane pump or diaphragm type compressor.In the present embodiment, gas suction device (4) is a membrane pump.
For filtering the dust of environmental air, to avoid stopping up the suction mouth of gas suction device (4), the suction mouth of above-mentioned gas suction apparatus (4) can also be provided with some filtrators (3,1), connects by pipeline (2) between the adjacent filter.
For making things convenient for the processing of signal, above-mentioned signal processor (7) can be micro processor.
Can realize the gas of diverse location is carried out sampled measurements for making the utility model, the suction mouth of above-mentioned gas suction apparatus (4) also can directly be connected with the traffic pilot that is provided with some air valves (8) by pipeline (9), or the suction mouth of gas suction device (4) is by some filtrators (3,1), pipeline (2) and pipeline (9) are connected with the traffic pilot that is provided with some air valves (8), the input port of the interior air valve of traffic pilot (8) can be connected with pipeline B respectively, the delivery outlet of air valve is connected with the suction mouth of gas suction device (4) by pipeline (9), as shown in Figure 2.
The unlatching of the interior air valve of above-mentioned traffic pilot (8) and close and to adopt the Programmable Logic Controller or the time relay to control.In the present embodiment, the unlatching of the interior air valve of traffic pilot (8) and close and adopt Programmable Logic Controller to control.
Connect for convenient, above-mentioned pipeline (2), pipeline (9) and pipeline B can be flexible pipe.
For making the user can see the sampled measurements situation of the gas of each position intuitively, the pilot lamp (10) of the alarming value that unlatching, closed condition and the reflection that can be provided with the reflection air valve in the above-mentioned traffic pilot (8) set in the environmental gas of this air valve suction, in the signal processor that reaches of its sulfur hexafluoride gas concentration, pilot lamp (10) can be ordinary lamp and lantern or light emitting diode, as shown in Figure 3.
When the utility model uses, place transformer station's High-Voltage Electrical Appliances, the unlatching of the interior air valve of traffic pilot (8) and closing switching order and the switching time that each air valve is set in the request for utilization that proposes by the user, in the switching time of setting, the air valve that Programmable Logic Controller or time relay control are set is opened, his air valve is closed altogether, at this moment, corresponding pilot lamp (10) becomes green, gas in the continuous suction environment of air valve of gas suction device through opening, make it to enter the sound wave comparer, the output signal of sound wave comparer enters signal processor, when the concentration of sulfur hexafluoride gas reached the alarming value of setting in the signal processor, signal processor produced alerting signal, and corresponding pilot lamp (10) becomes redness, and signal processor is carried out audible alarm, and can remind staff's electric equipment that leakage is arranged the alerting signal teletransmission, and remind the maintainer when entering transformer station, should take the safeguard procedures of human body.In the switching time of setting, by Programmable Logic Controller or time relay control, constantly switch different air valves and open, realize the gas of diverse location is carried out sampled measurements.
Claims (9)
1, a kind of device that is used for transformer station's High-Voltage Electrical Appliances detection sulfur hexafluoride gas, it is characterized in that including gas suction device (4), power supply (5), sound wave comparer (6), signal processor (7), wherein gas suction device (4), sound wave comparer (6) and signal processor (7) are connected with power supply (5) respectively, gas in the suction mouth suction environment of gas suction device (4), delivery outlet is connected with the input end of sound wave comparer (6), and the output terminal of sound wave comparer (6) is connected with signal processor (7).
2, the device that is used for transformer station's High-Voltage Electrical Appliances detection sulfur hexafluoride gas according to claim 1 is characterized in that above-mentioned gas suction apparatus (4) can be membrane pump or diaphragm type compressor.
3, the transformer station's High-Voltage Electrical Appliances that are used for according to claim 1 detect the sulfur hexafluoride gas device, it is characterized in that the suction mouth of above-mentioned gas suction apparatus (4) also can be provided with some filtrators (3,1), connect by pipeline (2) between the adjacent filter.
4, the device that is used for transformer station's High-Voltage Electrical Appliances detection sulfur hexafluoride gas according to claim 1 is characterized in that above-mentioned signal processor (7) can be micro processor
5, according to claim 1 or 2 or the 3 or 4 described devices that are used for transformer station's High-Voltage Electrical Appliances detection sulfur hexafluoride gas, the suction mouth that it is characterized in that above-mentioned gas suction apparatus (4) also can directly be connected with the traffic pilot that is provided with some air valves (8) by pipeline (9), or the suction mouth of gas suction device (4) is by some filtrators (3,1), pipeline (2) and pipeline (9) are connected with the traffic pilot that is provided with some air valves (8), the input port of the interior air valve of traffic pilot (8) can be connected with pipeline B respectively, and the delivery outlet of air valve is connected with the suction mouth of gas suction device (4) by pipeline (9).
6, according to claim 5ly be used for the device that transformer station High-Voltage Electrical Appliances detect sulfur hexafluoride gas, it is characterized in that the unlatching of the interior air valve of above-mentioned traffic pilot (8) and close and to adopt the control device able to programme or the time relay to control.
7, the device that is used for transformer station's High-Voltage Electrical Appliances detection sulfur hexafluoride gas according to claim 6 is characterized in that above-mentioned pipeline (2), pipeline (9) and pipeline B can be flexible pipe.
8, according to claim 7ly be used for the device that transformer station High-Voltage Electrical Appliances detect sulfur hexafluoride gas, unlatching, closed condition and the reflection that it is characterized in that can being provided with in the above-mentioned traffic pilot (8) the reflection air valve in the environmental gas of this air valve suction, its sulfur hexafluoride bulk concentration reaches the pilot lamp (10) of the alarming value of setting in the signal processor.
9, the device that is used for transformer station's High-Voltage Electrical Appliances detection sulfur hexafluoride gas according to claim 8 is characterized in that above-mentioned pilot lamp (10) can be ordinary lamp and lantern or light emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320100440 CN2670944Y (en) | 2003-10-16 | 2003-10-16 | Apparatus for testing sulfur hexafluoride gas in power substation high-voltage electrical appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320100440 CN2670944Y (en) | 2003-10-16 | 2003-10-16 | Apparatus for testing sulfur hexafluoride gas in power substation high-voltage electrical appliance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2670944Y true CN2670944Y (en) | 2005-01-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320100440 Expired - Fee Related CN2670944Y (en) | 2003-10-16 | 2003-10-16 | Apparatus for testing sulfur hexafluoride gas in power substation high-voltage electrical appliance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2670944Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334444C (en) * | 2005-02-28 | 2007-08-29 | 河海大学常州校区 | Transmitter for measuring sulfur hexafluoride gas concentration and its measuring method |
| CN101464671B (en) * | 2007-12-20 | 2012-07-11 | 郑召兴 | Apparatus and method for monitoring sulfur hexafluoride gas and its derived gas |
-
2003
- 2003-10-16 CN CN 200320100440 patent/CN2670944Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100334444C (en) * | 2005-02-28 | 2007-08-29 | 河海大学常州校区 | Transmitter for measuring sulfur hexafluoride gas concentration and its measuring method |
| CN101464671B (en) * | 2007-12-20 | 2012-07-11 | 郑召兴 | Apparatus and method for monitoring sulfur hexafluoride gas and its derived gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |