CN205210232U - Low pressure intelligence fault detector - Google Patents
Low pressure intelligence fault detector Download PDFInfo
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- CN205210232U CN205210232U CN201521014844.8U CN201521014844U CN205210232U CN 205210232 U CN205210232 U CN 205210232U CN 201521014844 U CN201521014844 U CN 201521014844U CN 205210232 U CN205210232 U CN 205210232U
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Abstract
Low pressure intelligence fault detector belongs to electric fault detecting device, including power module, dc -to -ac converter and detection module, power module is connected to dc -to -ac converter one end, and detection module is connected to the other end, detection module includes voltmeter, ampere meter, conversion bipolar switch, transformer, the 7th contact and the 8th contact, the voltmeter connects in the interchange output of dc -to -ac converter, the 7th contact is connected to conversion bipolar switch one end, and the dc -to -ac converter is connected to the other end, transformer one end is passed through the ampere meter and is connected the 8th contact, and the dc -to -ac converter is connected to the other end. During the use, can utilize the voltage shelves tentatively to judge fault type earlier, recycle the concrete position that the trouble can be judged to the electric current shelves. Utilize this equipment to make things convenient for, judge fast and the fault localization point, improved the electric power personnel's of salvageing emergency time greatly.
Description
Technical field
The utility model belongs to electric fault sniffer, is particularly related to low-voltage intelligent fault locator.
Background technology
When electrical install and electrical overhaul, often can run into cable and break down, as cable short circuit or electric leakage.Repair personnel will spend very long owing to can not find trouble spot when rushing to repair, the time of several hours of even spending had is detecting trouble spot, often easily because emergency repair time causes the complaint of client for a long time, also wastes the emergency repair time of oneself.Therefore, after needing to utilize pertinent instruments to find out trouble spot, could place under repair according to failure condition.
Looking up the fault Measures compare is single and have limitation very much, and conventional is exclusive method and uses megohmmeter.And commercially available fault measuring instrument, expensive, complicated operation.
Therefore, pole is necessary to provide a kind of low-voltage intelligent fault locator cheap, easy to use.
Utility model content
The purpose of this utility model is to overcome the above-mentioned defect mentioned and deficiency, and provides low-voltage intelligent fault locator.
The technical scheme that the utility model realizes the employing of its object is as follows.
Low-voltage intelligent fault locator, comprises power module, inverter and detection module; Described inverter one end connects power module, other end connection detection module; Described detection module comprises voltage table, reometer, converter bipolar switch, transformer, the 7th contact and the 8th contact; Described voltage table is connected to the ac output end of inverter; Described converter bipolar switch one end connects the 7th contact, and the other end connects inverter; Described transformer one end connects the 8th contact by reometer, and the other end connects inverter.
Described power module comprises battery, power switch and power light; Described battery is the direct supply of 12V, and described battery is in parallel with power light again after connecting with power switch, then connects inverter.
Described inverter is the inverter that 12V direct current turns 220V interchange.
Described converter bipolar switch comprises the first contact, the second contact, the 3rd contact and the 4th contact; Described first contact and the second contact serial connection line serial connection, described first contact and the 3rd contact are arranged at the input end of transformer; Described 3rd contact and the 4th contact are arranged at the output terminal of transformer.
Described detection module also comprises voltage indicator lamp; Described voltage indicator lamp is in parallel with voltage table, and one end of voltage indicator lamp is connected to the serial connection line between the first contact and the second contact.
Described transformer comprises the 3rd contact, the 4th contact, the 5th contact and the 6th contact; Described 3rd contact and the 5th contact are arranged at the input end of transformer, and described 4th contact and the 6th contact are arranged at transformer output terminal; Described reometer one end connects the 6th contact, and the other end connects the 8th contact; The output terminal of inverter is connected again after described 6th contact connects the 5th contact.
Described detection module also comprises alternator indicator; Described alternator indicator is parallel to the input end of transformer; Described alternator indicator one end connects the 3rd contact, and the other end connects the 5th contact.
Described alternator indicator also comprises detector switch; Detector switch is provided with between described voltage table and inverter.
The no-load voltage ratio of described transformer is 100:1.
Described 6th contact is in series with the current-limiting resistance of 2.2 ohm.
During use, first can utilize the preliminary failure judgement type of voltage gear, recycling current gear can judge out of order particular location.Utilize this equipment to facilitate, judge rapidly and fault point, substantially increase the emergency repair time of electric power first-aid personnel.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is panel figure of the present utility model;
In figure: 100-power module, 101-battery, 102-power switch, 103-power light, 200-inverter, 300-detection module, 301-detector switch, 302-voltage table, 303-voltage indicator lamp, 304-converter bipolar switch, 305-transformer, 306-alternator indicator, 307-reometer, 308-first contact, 309-second contact, 310-the 3rd contact, 311-the 4th contact, 312-the 5th contact, 313-the 6th contact, 314-the 7th contact, 315-the 8th contact, 316-is connected in series line.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Low-voltage intelligent fault locator, comprises power module 100, inverter 200 and detection module 300.Described inverter 200 one end connects power module 100, other end connection detection module 300.
Described power module 100 comprises battery 101, power switch 102 and power light 103.Described battery 101 is the direct supply of 12V, and described battery 101 is in parallel with power light 103 again after connecting with power switch 102, is then parallel to the input end of inverter 200.
Described inverter 200 for 12V direct current turn 220V exchange inverter, i.e. DC12V-AC220V50HZ inverter.
Described detection module 300 comprises detector switch 301, voltage table 302, voltage indicator lamp 303, reometer 307, alternator indicator 306, converter bipolar switch 304, transformer 305, the 7th contact 314 and the 8th contact 315.
Described converter bipolar switch 304 one end connects the 7th contact 314, and the other end connects inverter 200.
Described transformer 305 one end connects the 8th contact 315 by reometer 307, and the other end connects inverter 200.
Described converter bipolar switch 304 comprises the first contact 308, second contact 309, the 3rd contact 310 and the 4th contact 311.Described first contact 308 and the second contact 309 serial connection line 316 are connected in series, and described first contact 308 and the 3rd contact 310 are arranged at the input end of transformer 305.Described 3rd contact 310 and the 4th contact 311 are arranged at the output terminal of transformer 305.
Described transformer 305 comprises the 3rd contact 310, the 4th contact 311, the 5th contact 312 and the 6th contact 313.Described 3rd contact 310 and the 5th contact 312 are arranged at the input end of transformer 305, and described 4th contact 311 and the 6th contact 313 are arranged at transformer 305 output terminal.The no-load voltage ratio of described transformer 305 is 100:1.
Described voltage table 302 is connected to the ac output end of inverter 200.Detector switch 301 is provided with between described voltage table 302 and inverter 200.
Described voltage indicator lamp 303 is in parallel with voltage table 302, and one end of voltage indicator lamp 303 is connected to the serial connection line 316 between the first contact 308 and the second contact 309.
Described alternator indicator 306 is parallel to the input end of transformer 305, that is, described alternator indicator 306 one end connects the 3rd contact 310, and the other end connects the 5th contact 312.
Described reometer 307 one end connects the 6th contact 313, and the other end connects the 8th contact 315.
The output terminal of inverter 200 is connected again after described 6th contact 313 connects the 5th contact 312.
Low-voltage intelligent fault locator, converter bipolar switch 304 is got to the first contact 308 and the second contact 309, namely converter bipolar switch 304 is forwarded to voltage gear, the 7th contact 314 and the 8th contact 315 constitute the voltage detecting end of instrument; Converter bipolar switch 304 is got to the 3rd contact 310 and the 4th contact 311, namely converter bipolar switch 304 is forwarded to current gear, the 7th contact 314 and the 8th contact 315 constitute the current detecting end of instrument.
Converter bipolar switch 304 is got to the first contact 308 and the second contact 309, namely converter bipolar switch 304 is forwarded to voltage gear, closed electrical source switch 102, power light 103 is in order to indicate the duty of power supply, occlusion detection switch 301, voltage indicator lamp 303 is in order to indicate the state of this detector output voltage.Now, the 12V voltage of battery 101 changes into through inverter 200 and exchanges 50HZ output in 220V, and exports eventually through the voltage detecting end that the 7th contact 314 and the 8th contact 315 are formed.
Converter bipolar switch 304 is got to the 3rd contact 310 and the 4th contact 311, namely converter bipolar switch 304 is forwarded to current gear, closed electrical source switch 102, power light 103 is in order to indicate the duty of power supply, occlusion detection switch 301, alternator indicator 306 is in order to indicate the state of this detector output current.Now, the 12V voltage of battery 101 changes into through inverter 200 and exchanges 50HZ in 220V, then through transformer 305, then through the resistance current limliting of 2.2 ohm, make short circuit current reach 1 ampere, and export eventually through the current detecting end that the 7th contact 314 and the 8th contact 315 are formed.
During use, first to cut off all loads of user side, first utilize the preliminary failure judgement type of voltage gear; when detection contact contact need detects two cables; if line short, the big current due to moment can cause the protection module action in circuit, and circuit cuts off automatically.Recycle current gear afterwards and add 1 Ampere currents to circuit, now, electric current can toward the trouble spot diffluence of short circuit, and utilizing reometer, can record that circuit of 1 Amps size of current, is exactly the source of trouble place that we will look for.
Otherwise if when utilizing voltage gear, protect not operating, and number ignored by reometer, then show that test line is without short trouble, namely interchangeable one section of circuit continues to detect.
Utilize this equipment to facilitate, judge fast and fault point, substantially increase the emergency repair time of electric power first-aid personnel.
The utility model is illustrated according to embodiment, and under the prerequisite not departing from present principles, this device can also make some distortion and improvement.It should be pointed out that and all drop on the technical scheme that all employings are equal to replacement or the mode such as equivalent transformation and obtain in protection domain of the present utility model.
Claims (10)
1. low-voltage intelligent fault locator, is characterized in that, comprises power module (100), inverter (200) and detection module (300); Described inverter (200) one end connects power module (100), other end connection detection module (300); Described detection module (300) comprises voltage table (302), reometer (307), converter bipolar switch (304), transformer (305), the 7th contact (314) and the 8th contact (315); Described voltage table (302) is connected to the ac output end of inverter (200); Described converter bipolar switch (304) one end connects the 7th contact (314), and the other end connects inverter (200); Described transformer (305) one end connects the 8th contact (315) by reometer (307), and the other end connects inverter (200).
2. low-voltage intelligent fault locator as claimed in claim 1, it is characterized in that, described power module (100) comprises battery (101), power switch (102) and power light (103); The direct supply that described battery (101) is 12V, described battery (101) is in parallel with power light (103) again after connecting with power switch (102), then connects inverter (200).
3. low-voltage intelligent fault locator as claimed in claim 1, is characterized in that, described inverter (200) turns the inverter that 220V exchanges for 12V direct current.
4. low-voltage intelligent fault locator as claimed in claim 1, it is characterized in that, described converter bipolar switch (304) comprises the first contact (308), the second contact (309), the 3rd contact (310) and the 4th contact (311); Described first contact (308) and the second contact (309) serial connection line (316) serial connection, described first contact (308) and the 3rd contact (310) are arranged at the input end of transformer (305); Described 3rd contact (310) and the 4th contact (311) are arranged at the output terminal of transformer (305).
5. low-voltage intelligent fault locator as claimed in claim 4, it is characterized in that, described detection module (300) also comprises voltage indicator lamp (303); Described voltage indicator lamp (303) is in parallel with voltage table (302), and one end of voltage indicator lamp (303) is connected to the serial connection line (316) between the first contact (308) and the second contact (309).
6. low-voltage intelligent fault locator as claimed in claim 4, it is characterized in that, described transformer (305) comprises the 3rd contact (310), the 4th contact (311), the 5th contact (312) and the 6th contact (313); Described 3rd contact (310) and the 5th contact (312) are arranged at the input end of transformer (305), and described 4th contact (311) and the 6th contact (313) are arranged at transformer (305) output terminal; Described reometer (307) one end connects the 6th contact (313), and the other end connects the 8th contact (315); The output terminal of inverter (200) is connected again after described 6th contact (313) connects the 5th contact (312).
7. low-voltage intelligent fault locator as claimed in claim 6, it is characterized in that, described detection module (300) also comprises alternator indicator (306); Described alternator indicator (306) is parallel to the input end of transformer (305); Described alternator indicator (306) one end connects the 3rd contact (310), and the other end connects the 5th contact (312).
8. low-voltage intelligent fault locator as claimed in claim 1, it is characterized in that, described alternator indicator (306) also comprises detector switch (301); Detector switch (301) is provided with between described voltage table (302) and inverter (200).
9. low-voltage intelligent fault locator as claimed in claim 1, it is characterized in that, the no-load voltage ratio of described transformer (305) is 100:1.
10. low-voltage intelligent fault locator as claimed in claim 6, it is characterized in that, described 6th contact (313) is in series with the current-limiting resistance of 2.2 ohm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521014844.8U CN205210232U (en) | 2015-12-09 | 2015-12-09 | Low pressure intelligence fault detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521014844.8U CN205210232U (en) | 2015-12-09 | 2015-12-09 | Low pressure intelligence fault detector |
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| Publication Number | Publication Date |
|---|---|
| CN205210232U true CN205210232U (en) | 2016-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521014844.8U Expired - Fee Related CN205210232U (en) | 2015-12-09 | 2015-12-09 | Low pressure intelligence fault detector |
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| CN (1) | CN205210232U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526414A (en) * | 2016-10-14 | 2017-03-22 | 国家电网公司 | Power distribution network's low voltage fault detection instrument and detection method |
| CN110187214A (en) * | 2019-06-26 | 2019-08-30 | 国家电网有限公司 | A kind of feed line automatization terminal detector |
| CN117233557A (en) * | 2023-11-14 | 2023-12-15 | 深圳市耐斯特能源科技有限公司 | Arc fault detection device and method for photovoltaic energy storage inverter |
-
2015
- 2015-12-09 CN CN201521014844.8U patent/CN205210232U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106526414A (en) * | 2016-10-14 | 2017-03-22 | 国家电网公司 | Power distribution network's low voltage fault detection instrument and detection method |
| CN110187214A (en) * | 2019-06-26 | 2019-08-30 | 国家电网有限公司 | A kind of feed line automatization terminal detector |
| CN117233557A (en) * | 2023-11-14 | 2023-12-15 | 深圳市耐斯特能源科技有限公司 | Arc fault detection device and method for photovoltaic energy storage inverter |
| CN117233557B (en) * | 2023-11-14 | 2024-03-01 | 深圳市耐斯特能源科技有限公司 | Arc fault detection device and method for photovoltaic energy storage inverter |
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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: 20160504 Termination date: 20171209 |
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| CF01 | Termination of patent right due to non-payment of annual fee |