CN2692679Y - Digital high-voltage acoustooptical electroscope - Google Patents
Digital high-voltage acoustooptical electroscope Download PDFInfo
- Publication number
- CN2692679Y CN2692679Y CN 03262588 CN03262588U CN2692679Y CN 2692679 Y CN2692679 Y CN 2692679Y CN 03262588 CN03262588 CN 03262588 CN 03262588 U CN03262588 U CN 03262588U CN 2692679 Y CN2692679 Y CN 2692679Y
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- China
- Prior art keywords
- voltage
- resistance
- arm pipe
- digital
- gauge head
- 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 - Fee Related
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- Measurement Of Current Or Voltage (AREA)
Abstract
The utility model relates to a digital high-voltage acoustic-optical electroscope, which comprises a digital voltmeter and a metal hook which is connected with a high voltage arm tube. The lower end opening of the high voltage arm tube is respectively connected with a protecting arm tube and a display meter, and the lower end opening of the protecting arm tube is connected with a handle and a protecting ring. A high-voltage resistor is connected with the inner part of the high voltage arm tube in series. One end of the high-voltage resistor is connected with the metal hook and the other end is connected with the display meter. A low pressure resistor is connected with the inner part of the protecting arm tube in series. The upper end of the low pressure resistor is connected with the display meter, and the other end is connected with the ground. The other end of the display meter is connected with the ground. The digital high-voltage acoustic-optical electroscope has advantages of simple structure, high commonality, convenient maintenance, safety and reliable, and can indicate that whether equipment is powered or not and show values of the electricity area. The digital high-voltage acoustic-optical electroscope can also measure the induced voltage of an idling equipment drawing and provide an acoustic-optical alarm. The digital high-voltage acoustic-optical electroscope is widely acceptable for measuring electric equipment of 1kV, 10kV, 27.5kV, 35kV, 110kV levels. The double safety grounding can ensure the safety of users.
Description
One, technical field
The utility model relates to the operations involving high pressure security tool that the electric power system high-tension measurement uses, particularly a kind of digital high pressure acoustooptical electroscope.
Two, background technology
Is high-voltage hot-line work that the site work personnel often wonder that whether charged site environment and equipment is? how high does electrified voltage have? especially electric railway often needs hot line job maintenance circuit and equipment, and the electroscope that prior art is used, only can only judge has electricity or does not have, can not the index strip piezoelectric voltage how highly have, inapplicable ' V stops ' 1kV electric pressure, versatility is poor, is not suitable for defectives such as electric railway hot line job.
Three, summary of the invention
Goal of the invention of the present utility model provides a kind of simple in structure, and highly versatile is easy to maintenance, safe and reliable digital high pressure acoustooptical electroscope.
The technical scheme that realizes goal of the invention of the present utility model is to solve like this: comprise digital voltmeter; metal needle; its improvements of the present utility model are also to comprise that described metal hook or pin are connected the upper port of a high-voltage arm pipe; the lower port of high-voltage arm pipe is connected with protection arm pipe and display gauge head respectively; be connected with retaining ring between the lower port of protection arm pipe and the handle; high-tension resistive is connected in series in the said high-voltage arm pipe; one end of its high-tension resistive is connected with metal hook or pin; the other end is connected with low resistance with display gauge head; low resistance is connected in series in the protection arm pipe; the upper end of low resistance is connected with high-tension resistive with display gauge head; other end ground connection; the other end of display gauge head is connected with the earth; the other Jie Yi of the input end of above-mentioned said display gauge head Ma resistance R 1; a resistance also is connected in series; the other again Jie Ling Yi of the output terminal of resistance Ma resistance; the output terminal of resistance connects digital voltmeter respectively; comparer; the output terminal of comparer connects amplifier; the output terminal of amplifier connects hummer and resistance R 4 and light emitting diode D1 respectively; power supply just; meet power supply double-break switch K on the negative pole respectively; between power switch K switch output terminal, stride serial connection filter capacitor and resistance R 5; R6 forms bleeder circuit, and the formation single supply just is transformed to; negative supply is connected with each element circuit.
The utility model compared with prior art, have simple in structure, highly versatile, easy to maintenance, safe and reliable, can indicating equipment whether charged, and can know that electricity is with voltage what are, simultaneously, can also measure the characteristics such as induced voltage of outaged equipment.Direct-reacting digital shows, sound and light alarm, and measuring accuracy is accurate, the reliability height.Extensively be suitable for the measurement of the consumer of grades such as 1kV, 10kV, 27.5kV, 35kV, 110kV, use at least two earth leads ground connection simultaneously, thereby guaranteed operating personnel's personal safety.
Four, description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the circuit theory diagrams of Fig. 1.
Five, embodiment
Accompanying drawing is a specific embodiment of the utility model
Below in conjunction with accompanying drawing summary of the invention of the present utility model is described further
With reference to shown in Figure 1; comprise digital voltmeter 9; metal hook or pin 1; comprise that also described metal hook or pin 1 are connected the upper port of a high-voltage arm pipe 2; the lower port of high-voltage arm pipe 2 is connected with protection arm pipe 4 and display gauge head 5 respectively; be connected with retaining ring 7 between the lower port of protection arm pipe 4 and the handle 8; high-tension resistive 3 is connected in series in the said high-voltage arm pipe 2; one end of its high-tension resistive is connected with metal hook or pin 1; the other end is connected with display gauge head 5 low resistances 6; low resistance 6 is connected in series in the protection arm pipe 4; the upper end of low resistance 6 and display gauge head 5; high-tension resistive 3 connects, other end ground connection, and the other end of display gauge head 5 is connected with the earth.The number of high-tension resistive of being connected in series in the high-voltage arm pipe 2 depends primarily on by the voltage of high-tension electricity determines that just for example tested high pressure is 1kV, and 1 of high-tension resistive is connected in series in the high-voltage arm pipe 2; If 10kV voltage, 2 of high-tension resistives are connected in series in the high-voltage arm pipe 2; If survey 110KV voltage, 5 of high-tension resistives are connected in series in the high-voltage arm pipe 2.Low resistance is meant common resistance, and for example 2W, 200K Ω 1-2 gets final product.
Shown in Figure 2, the other Jie Yi of the input end of display gauge head 5 Ma resistance R 1, be connected in series with resistance R 2, the output terminal of resistance R 2 is other again to be connect a Ma resistance R 3 and is connected digital voltmeter 9 respectively, comparer 10, the output terminal of comparer 10 connects amplifier 11, the output terminal of amplifier 11 connects hummer 12 and resistance R 4 and light emitting diode D1 respectively, power supply 13 just, meet power supply double-break switch K on the negative pole respectively, between power switch K switch output terminal, stride serial connection filter capacitor 14,15 and resistance R 5, R6 forms bleeder circuit, and the formation single supply just is transformed to, negative supply is connected with each element circuit, and each element circuit all joins with zero line.
When the utility model uses; at first measure high-voltage arm with the insulation table; whether observe high-voltage arm has short circuit, open circuit phenomenon to produce; measuring the protection arm with the power block of avometer again has or not short circuit, open circuit phenomenon to produce; if above-mentioned high-voltage arm, protection arm all do not have this phenomenon and produce; can energized open switch; the hand-held handle 6 of operator is with metal hook or pin 1 contact measured equipment; display gauge head 5 shows Devices to test electrified voltage values at this moment; when its value surpass used electroscope specification rated voltage 25% the time, electroscope begins sound, light is reported to the police.Caution institute measurement equipment is charged.
Claims (5)
1; a kind of digital high pressure acoustooptical electroscope; comprise digital voltmeter (9); metal hook or pin (1); it is characterized in that also comprising that described metal hook or pin (1) are connected the upper port of a high-voltage arm pipe (2); the lower port of high-voltage arm pipe (2) is connected with protection arm pipe (4) and display gauge head (5) respectively; be connected with retaining ring (7) between the lower port of protection arm pipe (4) and the handle (8); high-tension resistive (3) is connected in series in the high-voltage arm pipe (2); one end of its high-tension resistive is connected with metal hook or pin (1); the other end is connected with low resistance (6) with display gauge head (5); low resistance (6) is connected in series in the protection arm pipe (4); the upper end of low resistance (6) and display gauge head (5); high-tension resistive (3) connects; other end ground connection; the other end of display gauge head (5) also is connected with the earth; the other resistance (R1) that connects of the input end of above-mentioned said display gauge head (5); a resistance (R2) is connected in series; the other again Jie Ling Yi Ma resistance (R3) of the output terminal of resistance (R2); the output terminal of resistance (R3) connects digital voltmeter (9) respectively; comparer (10); the output terminal of comparer (10) connects amplifier (11); the output terminal of amplifier (11) connects hummer (12) and resistance (R4) and light emitting diode (D1) respectively; power supply (13) just; connect power supply double-break switch (K) on the negative pole respectively; between power switch switch (K) output terminal, stride serial connection filter capacitor (14; 15) and resistance (R5; R6) form bleeder circuit, and the formation single supply just is transformed to; negative supply is connected with each element circuit.
2, digital high pressure acoustooptical electroscope according to claim 1, one or two or two above high-tension resistives is characterized in that being connected in series in the described high-voltage arm pipe at least.
3, digital high pressure acoustooptical electroscope according to claim 1 is characterized in that one or two low resistance that is connected in series in the described protection arm pipe.
4, digital high pressure acoustooptical electroscope according to claim 1 is characterized in that described protection arm pipe, display gauge head are dual ground connection.
5, digital high pressure acoustooptical electroscope according to claim 1 is characterized in that described display gauge head is direct-reacting digital, sound, light three apparent indicator gauges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262588 CN2692679Y (en) | 2003-08-07 | 2003-08-07 | Digital high-voltage acoustooptical electroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03262588 CN2692679Y (en) | 2003-08-07 | 2003-08-07 | Digital high-voltage acoustooptical electroscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2692679Y true CN2692679Y (en) | 2005-04-13 |
Family
ID=34755478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03262588 Expired - Fee Related CN2692679Y (en) | 2003-08-07 | 2003-08-07 | Digital high-voltage acoustooptical electroscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2692679Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680805A (en) * | 2012-05-17 | 2012-09-19 | 鞍山银宇电子科技有限公司 | Wireless digital electric field strength monitoring sensor |
| CN102998520A (en) * | 2012-12-25 | 2013-03-27 | 黄石供电公司变电运行中心 | Digital display high-voltage electroscope of telescopic rod |
| CN104407202A (en) * | 2014-12-11 | 2015-03-11 | 国网上海市电力公司 | Induced electrical insulation test rod for civil facility |
| CN105092941A (en) * | 2015-08-25 | 2015-11-25 | 河北国昊电力科技有限公司 | Electroscope |
| CN105738687A (en) * | 2016-04-14 | 2016-07-06 | 陈继祥 | Portable special ground-potential live-line load current detection apparatus |
| CN109633314A (en) * | 2018-12-18 | 2019-04-16 | 米艾西(福建)测控技术有限公司 | A kind of simple and inexpensive cylindrical detector bar of structure |
-
2003
- 2003-08-07 CN CN 03262588 patent/CN2692679Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102680805A (en) * | 2012-05-17 | 2012-09-19 | 鞍山银宇电子科技有限公司 | Wireless digital electric field strength monitoring sensor |
| CN102998520A (en) * | 2012-12-25 | 2013-03-27 | 黄石供电公司变电运行中心 | Digital display high-voltage electroscope of telescopic rod |
| CN104407202A (en) * | 2014-12-11 | 2015-03-11 | 国网上海市电力公司 | Induced electrical insulation test rod for civil facility |
| CN105092941A (en) * | 2015-08-25 | 2015-11-25 | 河北国昊电力科技有限公司 | Electroscope |
| CN105738687A (en) * | 2016-04-14 | 2016-07-06 | 陈继祥 | Portable special ground-potential live-line load current detection apparatus |
| CN109633314A (en) * | 2018-12-18 | 2019-04-16 | 米艾西(福建)测控技术有限公司 | A kind of simple and inexpensive cylindrical detector bar of structure |
| CN109633314B (en) * | 2018-12-18 | 2021-06-25 | 米艾西(福建)测控技术有限公司 | Simple structure and low-cost cylindrical detection stick |
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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 |