CN103983831A - Voltmeter and voltmeter pen special for protecting pressure plate - Google Patents
Voltmeter and voltmeter pen special for protecting pressure plate Download PDFInfo
- Publication number
- CN103983831A CN103983831A CN201410202355.9A CN201410202355A CN103983831A CN 103983831 A CN103983831 A CN 103983831A CN 201410202355 A CN201410202355 A CN 201410202355A CN 103983831 A CN103983831 A CN 103983831A
- Authority
- CN
- China
- Prior art keywords
- voltmeter
- module
- test pencil
- voltage table
- pen
- 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.)
- Pending
Links
Landscapes
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to a voltmeter and a voltmeter pen special for protecting a pressure plate and belongs to the technical field of electric power detection devices. According to the technical scheme, a data collecting module (12), an analog-digital conversion module (13), a single-chip microcomputer (14), a function self-detection module (15), a data display module (16) and a voice broadcasting module (17) are arranged in the voltmeter (1). A voltmeter display screen (2), a horn (3), a self-detection button (4), a power switch (5), a voltmeter pen negative electrode jack (6) and a voltmeter pen positive electrode jack (7) are arranged on the outer surface of the voltmeter. According to the voltmeter and the voltmeter pen special for protecting the pressure plate, the defects that when an existing universal meter is used for measuring the voltage across the two ends of the pressure plate, a wrong gear may be used, a grounding point is not easily fixed, reading is not easily observed and functions cannot be detected to be normal or abnormal are overcome, error tripping factors are reduced, the automatic detection function of the voltmeter is added, the voltmeter voice broadcasting function is added, and due to the fact that the structure of the voltmeter pen is improved, the number of measuring personnel can be reduced.
Description
Technical field
The present invention relates to a kind of protection pressing plate specialized voltages table and test pencil, belong to electric power checkout equipment technical field.
Background technology
In electric system; when isolating switch drops into trip protection output clamping in the time of closing position; if relay protection or aut.eq. trip(ping) circuit have fault; for example trip(ping) circuit wrong line, have earth point or protection setting valve too low; if now drop into tripping operation output clamping, likely connect trip(ping) circuit and cause isolating switch misoperation.So substation field code clearly specifies: operating isolating switch, with after the true no-voltage in high internal resistance voltage table measuring and protecting pressing plate two ends, can drop into protection or aut.eq. pressing plate before input protection or aut.eq. pressing plate.Facts have proved that measuring and protecting or aut.eq. pressing plate both end voltage are effective measures that prevent mistrip.But in actual mechanical process, in the time of measuring and protecting or aut.eq. pressing plate both end voltage, the phenomenon of the isolating switch misoperation causing due to the electric current gear pressure measurement plate both end voltage of misuse multimeter happens occasionally.Conventional multimeter does not possess self-checking function, before using, is difficult to judge that whether multimeter reading is accurate, therefore occurs because of multimeter fault, does not detect to protect or aut.eq. pressing plate two ends exist the situation of voltage simultaneously, causes isolating switch mistrip; During by conventional multimeter measuring and protecting or aut.eq. pressing plate both end voltage, conventionally earth point is selected on the screw of protection screen cabinet, conventional multitester probe needs another one people to coordinate on the screw or ground wire that just can be fixed on protection screen cabinet; When conventional multimeter reading, because the problem of light or observation angle is not easy to observe display screen reading, cause the inconvenience using in addition.
Summary of the invention
The object of the invention is to provide a kind of protection pressing plate specialized voltages table and test pencil; adopt selftest module; whether intactly before use, can detect voltage table; the crocodile clip test pencil of the circular sawtooth of oral area band can conveniently be clipped on the screw or ground wire of protection screen cabinet reliably; increase voltage voice broadcast function and can facilitate reading, solve the problems referred to above that exist in background technology.
Technical scheme of the present invention is: a kind of protection pressing plate specialized voltages table and test pencil, comprise voltage table, voltage table display screen, loudspeaker, self-inspection button, power switch, test pencil negative pole jack, the anodal jack of test pencil, pin type test pencil, crocodile clip test pencil, data acquisition module, analog-to-digital conversion module, single-chip microcomputer, function selftest module, data disaply moudle and voice broadcast module, described data acquisition module, analog-to-digital conversion module, single-chip microcomputer, function selftest module, data disaply moudle, voice broadcast module is arranged on the inside of voltage table, data acquisition module, analog-to-digital conversion module, single-chip microcomputer connects successively, the output terminal of single-chip microcomputer respectively with function selftest module, data disaply moudle, voice broadcast module is connected to each other, voltage table display screen, loudspeaker, self-inspection button, power switch, test pencil negative pole jack, the anodal jack of test pencil is arranged on the outside surface of voltage table, voltage table display screen and data disaply moudle are connected to each other, loudspeaker and voice broadcast module are connected to each other, self-inspection button and function selftest module are connected to each other, pin type test pencil is connected to each other by the anodal jack of test pencil and voltage table, and crocodile clip test pencil is connected to each other by test pencil negative pole jack and voltage table, described crocodile clip test pencil comprises carp folder middle part and crocodile clip oral area, and crocodile clip oral area is provided with broached-tooth design.
The invention has the beneficial effects as follows: while overcoming existing multimeter measuring pressure plate both end voltage, may be not easy to observe and the shortcoming such as cannot measuring ability whether normal with bad fixing, the reading of wrong gear, earth point, reduce mistrip factor, adopt specialized voltages table, can prevent from misapplying other gear; Whether intact the automatic detection function that increases voltage table, can detect voltage table before use; Increase voltage table voice broadcast function, can conveniently obtain testing result; By improving voltage test pencil structure, can reduce survey crew.
Brief description of the drawings
Fig. 1 is structural drawing of the present invention;
Fig. 2 is external structure of the present invention;
Fig. 3 is the structural drawing of pin type test pencil of the present invention;
Fig. 4 is the structural drawing of crocodile clip test pencil of the present invention;
Fig. 5 is the structural drawing at crocodile clip test pencil of the present invention tip;
In figure: voltage table 1, voltage table display screen 2, loudspeaker 3, self-inspection button 4, power switch 5, test pencil negative pole jack 6, the anodal jack 7 of test pencil, pin type test pencil 8, crocodile clip test pencil 9, carp folder middle part 10, crocodile clip oral area 11, data acquisition module 12, analog-to-digital conversion module 13, single-chip microcomputer 14, function selftest module 15, data disaply moudle 16, voice broadcast module 17, voltage signal 18.
Embodiment
Below in conjunction with accompanying drawing, by embodiment, the invention will be further described.
A kind of protection pressing plate specialized voltages table and test pencil, comprise voltage table 1, voltage table display screen 2, loudspeaker 3, self-inspection button 4, power switch 5, test pencil negative pole jack 6, the anodal jack 7 of test pencil, pin type test pencil 8, crocodile clip test pencil 9, data acquisition module 12, analog-to-digital conversion module 13, single-chip microcomputer 14, function selftest module 15, data disaply moudle 16 and voice broadcast module 17, described data acquisition module 12, analog-to-digital conversion module 13, single-chip microcomputer 14, function selftest module 15, data disaply moudle 16, voice broadcast module 17 is arranged on the inside of voltage table 1, data acquisition module 12, analog-to-digital conversion module 13, single-chip microcomputer 14 connects successively, the output terminal of single-chip microcomputer 14 respectively with function selftest module 15, data disaply moudle 16, voice broadcast module 17 is connected to each other, voltage table display screen 2, loudspeaker 3, self-inspection button 4, power switch 5, test pencil negative pole jack 6, the anodal jack 7 of test pencil is arranged on the outside surface of voltage table 1, voltage table display screen 2 is connected to each other with data disaply moudle 16, loudspeaker 3 are connected to each other with voice broadcast module 17, self-inspection button 4 is connected to each other with function selftest module 15, pin type test pencil 8 is connected to each other with voltage table 1 by the anodal jack 7 of test pencil, and crocodile clip test pencil 9 is connected to each other by test pencil negative pole jack 6 and voltage table 1.
Described crocodile clip test pencil 9 comprises carp folder middle part 10 and crocodile clip oral area 11, and crocodile clip oral area 11 is provided with broached-tooth design.
In actual applications, with reference to the accompanying drawings 2, open the power switch 5 of voltage table 1, screen is lighted after several seconds, presses self-inspection button 4, self-inspection loop start, comparative voltage table 1 is the reference voltage after voltage stabilizing and the value of measuring output end voltage from charged pool, if voltage error is less than or equal to 5%, voltage table display screen 2 shows " voltage table is normal " Chinese character, and voltage table can normally use.If error amount is greater than 5%, voltage table display screen 2 shows " voltage table is abnormal, please conscientiously checks " Chinese character, and voltage table 1 can not use, and need to further check or change voltage table.
With reference to the accompanying drawings 3; if voltage table self-inspection is normal; the crocodile clip oral area 11 of crocodile clip test pencil 9 clips on the screw or crocodile clip middle part 10 ground wires that clip on protection screen cabinet door on protection screen cabinet door; put on the pressing plate of needs measurement at the tip of pin type test pencil 8; now point voltage gauge pressure plate and earth terminal form loop; voltage table display screen 2 shows the voltage-to-ground of pressing plate, and voice broadcast module 17 is reported measuring voltage by loudspeaker 3 simultaneously.
Claims (1)
1. protection pressing plate specialized voltages table and a test pencil, is characterized in that: comprise voltage table (1), voltage table display screen (2), loudspeaker (3), self-inspection button (4), power switch (5), test pencil negative pole jack (6), the anodal jack of test pencil (7), pin type test pencil (8), crocodile clip test pencil (9), data acquisition module (12), analog-to-digital conversion module (13), single-chip microcomputer (14), function selftest module (15), data disaply moudle (16) and voice broadcast module (17), described data acquisition module (12), analog-to-digital conversion module (13), single-chip microcomputer (14), function selftest module (15), data disaply moudle (16), voice broadcast module (17) is arranged on the inside of voltage table (1), data acquisition module (12), analog-to-digital conversion module (13), single-chip microcomputer (14) connects successively, the output terminal of single-chip microcomputer (14) respectively with function selftest module (15), data disaply moudle (16), voice broadcast module (17) is connected to each other, voltage table display screen (2), loudspeaker (3), self-inspection button (4), power switch (5), test pencil negative pole jack (6), the anodal jack of test pencil (7) is arranged on the outside surface of voltage table (1), voltage table display screen (2) is connected to each other with data disaply moudle (16), loudspeaker (3) are connected to each other with voice broadcast module (17), self-inspection button (4) is connected to each other with function selftest module (15), pin type test pencil (8) is connected to each other by the anodal jack of test pencil (7) and voltage table (1), and crocodile clip test pencil (9) is connected to each other by test pencil negative pole jack (6) and voltage table (1), described crocodile clip test pencil (9) comprises carp folder middle part (10) and crocodile clip oral area (11), and crocodile clip oral area (11) is provided with broached-tooth design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202355.9A CN103983831A (en) | 2014-05-14 | 2014-05-14 | Voltmeter and voltmeter pen special for protecting pressure plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410202355.9A CN103983831A (en) | 2014-05-14 | 2014-05-14 | Voltmeter and voltmeter pen special for protecting pressure plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103983831A true CN103983831A (en) | 2014-08-13 |
Family
ID=51275878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410202355.9A Pending CN103983831A (en) | 2014-05-14 | 2014-05-14 | Voltmeter and voltmeter pen special for protecting pressure plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103983831A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954572A (en) * | 2016-06-17 | 2016-09-21 | 国家电网公司 | Pressure plate special-purpose voltmeter |
| CN114062727A (en) * | 2021-11-17 | 2022-02-18 | 中国南方电网有限责任公司超高压输电公司柳州局 | Protective pressing plate rapid measuring instrument and protective pressing plate voltage measuring method |
| CN116774629A (en) * | 2023-06-16 | 2023-09-19 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent monitoring module and method for relay protection outlet loop number |
| CN117110690A (en) * | 2023-10-23 | 2023-11-24 | 广东电网有限责任公司东莞供电局 | Intelligent substation pressure plate potential measurement method and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159024Y (en) * | 1993-05-24 | 1994-03-16 | 中国科学院力学研究所 | Numerical high-voltage meter with acousto-optical signal |
| CN201251595Y (en) * | 2008-09-10 | 2009-06-03 | 重庆大学 | Speech-broadcasting direct current voltmeter |
| CN202421328U (en) * | 2011-12-15 | 2012-09-05 | 华立仪表集团股份有限公司 | Self-testing electronic electricity meter |
| US8283911B1 (en) * | 2010-08-03 | 2012-10-09 | Bierer Walter S | Long range phasing voltmeter |
| CN102854376A (en) * | 2012-09-28 | 2013-01-02 | 上海理工大学 | Digital voltmeter and measuring method thereof |
| CN203012004U (en) * | 2012-12-04 | 2013-06-19 | 常州市微朗电子科技有限公司 | Safety voltage meter |
| CN203069666U (en) * | 2013-03-04 | 2013-07-17 | 滁州学院 | Intelligent high-precision digital voltmeter |
| CN203811671U (en) * | 2014-05-14 | 2014-09-03 | 国家电网公司 | Voltmeter and meter pen special for protection pressure plate |
-
2014
- 2014-05-14 CN CN201410202355.9A patent/CN103983831A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2159024Y (en) * | 1993-05-24 | 1994-03-16 | 中国科学院力学研究所 | Numerical high-voltage meter with acousto-optical signal |
| CN201251595Y (en) * | 2008-09-10 | 2009-06-03 | 重庆大学 | Speech-broadcasting direct current voltmeter |
| US8283911B1 (en) * | 2010-08-03 | 2012-10-09 | Bierer Walter S | Long range phasing voltmeter |
| CN202421328U (en) * | 2011-12-15 | 2012-09-05 | 华立仪表集团股份有限公司 | Self-testing electronic electricity meter |
| CN102854376A (en) * | 2012-09-28 | 2013-01-02 | 上海理工大学 | Digital voltmeter and measuring method thereof |
| CN203012004U (en) * | 2012-12-04 | 2013-06-19 | 常州市微朗电子科技有限公司 | Safety voltage meter |
| CN203069666U (en) * | 2013-03-04 | 2013-07-17 | 滁州学院 | Intelligent high-precision digital voltmeter |
| CN203811671U (en) * | 2014-05-14 | 2014-09-03 | 国家电网公司 | Voltmeter and meter pen special for protection pressure plate |
Non-Patent Citations (2)
| Title |
|---|
| 冯占岭: "数字电压表及数字多用表检测技术", 《数字电压表及数字多用表检测技术》 * |
| 张立霞: "电子测量技术", 《电子测量技术》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105954572A (en) * | 2016-06-17 | 2016-09-21 | 国家电网公司 | Pressure plate special-purpose voltmeter |
| CN114062727A (en) * | 2021-11-17 | 2022-02-18 | 中国南方电网有限责任公司超高压输电公司柳州局 | Protective pressing plate rapid measuring instrument and protective pressing plate voltage measuring method |
| CN116774629A (en) * | 2023-06-16 | 2023-09-19 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent monitoring module and method for relay protection outlet loop number |
| CN116774629B (en) * | 2023-06-16 | 2024-01-23 | 国网江苏省电力有限公司泰州供电分公司 | Intelligent monitoring module and method for relay protection outlet loop number |
| CN117110690A (en) * | 2023-10-23 | 2023-11-24 | 广东电网有限责任公司东莞供电局 | Intelligent substation pressure plate potential measurement method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203811671U (en) | Voltmeter and meter pen special for protection pressure plate | |
| CN103983831A (en) | Voltmeter and voltmeter pen special for protecting pressure plate | |
| CN101430349B (en) | Novel method for measuring resistive current of gapless metal oxide arrester | |
| CN102004213B (en) | Direct-detection type intelligent direct-current system insulation and state diagnosis instrument | |
| CN203799008U (en) | Pillar type electronic current transformer primary vibration test data acquisition device | |
| CN103543321B (en) | A kind of polarization for crosslinked polyethylene midium voltage cable-depolarization current pick-up unit | |
| CN110501619A (en) | A kind of high frequency response partial pressure measuring apparatus | |
| CN201449437U (en) | Voltage-withstanding tester with high-voltage protective circuit | |
| CN106405409A (en) | High-voltage circuit breaker insulation resistance and leakage current intelligent test system and method | |
| CN205539154U (en) | High voltage electrified display locking apparatus | |
| CN109738757A (en) | Acquisition terminal is used in a kind of identification of separate type low voltage failure cable | |
| CN103245836A (en) | Novel intelligent tramegger with self-discharge function | |
| CN204882693U (en) | Trip protections equipment and electroscope thereof | |
| CN207516486U (en) | A kind of device for reducing the secondary cable core verification time | |
| CN210514584U (en) | Zinc oxide arrester live-line tester | |
| CN204789785U (en) | Portable intelligent substation relay protection testing arrangement | |
| CN210803700U (en) | Secondary circuit device for preventing multimeter mis-measurement relay protection | |
| CN208607349U (en) | A kind of amperometry diagnostic device for CVT secondary voltage test device | |
| CN202404193U (en) | Tester for leakage protection plug of electric brake | |
| CN208636368U (en) | A kind of testing current analysis diagnostic device for CVT secondary voltage test device | |
| CN107607809B (en) | Device for detecting resistive and capacitive currents of voltage limiting type surge protector | |
| CN203287424U (en) | Surge current testing device | |
| CN107037315B (en) | A kind of large size workshop inspector machine winding detection device | |
| CN205003255U (en) | Detection protection device of electric leakage circuit breaker | |
| CN210982699U (en) | Hand-held zinc oxide arrester live detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140813 |