CN110596446A - Substation trip pressure plate voltage measuring instrument - Google Patents
Substation trip pressure plate voltage measuring instrument Download PDFInfo
- Publication number
- CN110596446A CN110596446A CN201910864832.0A CN201910864832A CN110596446A CN 110596446 A CN110596446 A CN 110596446A CN 201910864832 A CN201910864832 A CN 201910864832A CN 110596446 A CN110596446 A CN 110596446A
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- Prior art keywords
- copper
- measuring instrument
- pressure plate
- wire
- rod
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052802 copper Inorganic materials 0.000 claims abstract description 45
- 239000010949 copper Substances 0.000 claims abstract description 45
- 238000001514 detection method Methods 0.000 claims abstract description 36
- 238000005259 measurement Methods 0.000 claims description 4
- 241000270722 Crocodylidae Species 0.000 claims 3
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 claims 3
- 241000270728 Alligator Species 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0084—Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring voltage only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
本发明公开了一种变电站跳闸压板电压测量仪，包括测量仪、绝缘握杆和鳄鱼夹，用于夹住屏柜接地螺杆的鳄鱼夹通过鳄鱼夹伸缩导线接入测量仪，将测量仪的地与屏柜的地相连，特征是：还包括由柱形检测铜棒、U型检测铜卡和铜座组成的一体传导电压的检测头，铜座固定在绝缘握杆的顶端，柱形检测铜棒的底端垂直固定在铜座的顶部中间，U型检测铜卡的侧壁固定在柱形检测铜棒的侧壁中部，直导线的一端固定在铜座的底部，直导线的另一端从绝缘握杆中穿过后与绝缘握杆伸缩导线的一端连接，绝缘握杆伸缩导线的另一端接入测量仪，检测头将压板电压引入测量仪。本发明具有能适应不同厂家跳闸压板结构、可靠性高、安全、便于收纳携带的优点。
The invention discloses a substation trip pressure plate voltage measuring instrument, which includes a measuring instrument, an insulating grip rod and an alligator clip. The alligator clip used to clamp the grounding screw of the screen cabinet is connected to the measuring instrument through the stretchable wire of the alligator clip, and the ground of the measuring instrument is connected to the measuring instrument. It is connected to the ground of the screen cabinet, and its features are: it also includes an integrated voltage-conducting detection head composed of a cylindrical detection copper rod, a U-shaped detection copper card and a copper seat. The copper seat is fixed on the top of the insulating handle, and the cylindrical detection copper The bottom end of the rod is vertically fixed in the middle of the top of the copper seat, the side wall of the U-shaped detection copper card is fixed in the middle of the side wall of the cylindrical detection copper rod, one end of the straight wire is fixed at the bottom of the copper seat, and the other end of the straight wire is After passing through the insulated grip rod, it is connected with one end of the telescopic wire of the insulated grip rod, and the other end of the telescopic wire of the insulated grip rod is connected to the measuring instrument, and the detection head introduces the pressure plate voltage into the measuring instrument. The invention has the advantages of adapting to the structure of the tripping pressure plate of different manufacturers, high reliability, safety, and convenience for storage and carrying.
Description
技术领域technical field
本发明涉及电压测量设备，尤其是涉及一种变电站跳闸压板电压测量仪。The invention relates to voltage measuring equipment, in particular to a voltage measuring instrument for a substation trip pressure plate.
背景技术Background technique
电力规程要求保护装置的跳闸压板投入前，需要先检测它的两端有无异极性电压，没有异极性电压时才允许将跳闸压板投入。现有测量方法是使用万用表测量，万用表测量时存在的问题是：（1）跳闸压板两端为直流电压，使用万用表容易打错档位，造成短路或测量不准；（2）不同厂家使用的跳闸压板结构不同，万用表表笔难以可靠接触，易出现虚接的情况。Electric power regulations require that before the tripping pressure plate of the protection device is put into operation, it is necessary to detect whether there is any opposite polarity voltage at its two ends, and the tripping pressure plate is only allowed to be put into operation when there is no opposite polarity voltage. The existing measurement method is to use a multimeter to measure, and the problems existing in the multimeter measurement are: (1) The two ends of the tripping pressure plate are DC voltage, and the use of the multimeter is easy to hit the wrong gear, resulting in short circuit or inaccurate measurement; (2) Different manufacturers use The structure of the tripping pressure plate is different, and the multimeter pen is difficult to contact reliably, and false connection is easy to occur.
发明内容Contents of the invention
本发明的目的在于提供一种能适应不同厂家跳闸压板结构、可靠性高、安全的变电站跳闸压板电压测量仪。The purpose of the present invention is to provide a tripping pressure plate voltage measuring instrument for substations that can adapt to the structure of the tripping pressure plate of different manufacturers, has high reliability and safety.
本发明的目的是这样实现的：The purpose of the present invention is achieved like this:
一种变电站跳闸压板电压测量仪，包括测量仪、绝缘握杆和鳄鱼夹，用于夹住屏柜接地螺杆的鳄鱼夹通过鳄鱼夹伸缩导线接入测量仪，将测量仪的地与屏柜的地相连，特征是：还包括由柱形检测铜棒、U型检测铜卡和铜座组成的一体传导电压的检测头，铜座固定在绝缘握杆的顶端，柱形检测铜棒的底端垂直固定在铜座的顶部中间，U型检测铜卡的侧壁固定在柱形检测铜棒的侧壁中部，直导线的一端固定在铜座的底部，直导线的另一端从绝缘握杆中穿过后与绝缘握杆伸缩导线的一端连接，绝缘握杆伸缩导线的另一端接入测量仪，检测头将压板电压引入测量仪。A substation trip pressure plate voltage measuring instrument, including a measuring instrument, an insulating handle and an alligator clip. The alligator clip used to clamp the grounding screw of the screen cabinet is connected to the measuring instrument through the stretchable wire of the alligator clip, and the ground of the measuring instrument is connected to the ground of the screen cabinet. Connected to the ground, the feature is: it also includes a detection head that conducts voltage as a whole consisting of a cylindrical detection copper rod, a U-shaped detection copper card and a copper seat. The copper seat is fixed on the top of the insulating handle, and the bottom of the cylindrical detection copper rod Vertically fixed in the middle of the top of the copper base, the side wall of the U-shaped detection copper card is fixed in the middle of the side wall of the cylindrical detection copper rod, one end of the straight wire is fixed on the bottom of the copper base, and the other end of the straight wire is pulled from the insulating handle After passing through, it is connected with one end of the telescopic wire of the insulated grip rod, and the other end of the telescopic wire of the insulated grip rod is connected to the measuring instrument, and the detection head introduces the pressure plate voltage into the measuring instrument.
本发明由测量仪、检测头、绝缘握杆和鳄鱼夹组成，检测头由柱形检测铜棒、U型检测铜卡和铜座组成，柱形检测铜棒用于检测弹簧式跳闸压板的电压，U型检测铜卡用于检测联片式跳闸压板的电压，检测头将压板电压引入测量仪，经过降压测量显示测量到的电压值。The invention is composed of a measuring instrument, a detection head, an insulating grip rod and an alligator clip. The detection head is composed of a cylindrical detection copper rod, a U-shaped detection copper card and a copper seat. The cylindrical detection copper rod is used to detect the voltage of the spring tripping pressure plate. , The U-shaped detection copper card is used to detect the voltage of the joint-type tripping pressure plate. The detection head introduces the voltage of the pressure plate into the measuring instrument, and the measured voltage value is displayed after the step-down measurement.
因此，本发明具有能适应不同跳闸压板结构、可靠性高、安全、便于收纳携带的优点。Therefore, the present invention has the advantages of adapting to different tripping plate structures, high reliability, safety, and easy storage and portability.
附图说明Description of drawings
图1本发明的结构示意图。Fig. 1 is a structural schematic diagram of the present invention.
具体实施方式Detailed ways
下面结合实施例并对照附图对本发明作进一步详细说明。The present invention will be described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings.
一种变电站跳闸压板电压测量仪，包括测量仪1、绝缘握杆5、鳄鱼夹9和检测头10，用于夹住屏柜接地螺杆的鳄鱼夹9通过鳄鱼夹伸缩导线8接入测量仪1，将测量仪1的地与屏柜的地相连，一体传导电压的检测头10由柱形检测铜棒2、U型检测铜卡3和铜座4组成，铜座4固定在绝缘握杆5的顶端，柱形检测铜棒2的底端垂直固定在铜座4的顶部中间，U型检测铜卡3的侧壁固定在柱形检测铜棒2的侧壁中部，直导线6的一端固定在铜座4的底部，直导线6的另一端从绝缘握杆5中穿过后与绝缘握杆伸缩导线7的一端连接，绝缘握杆伸缩导线7的另一端接入测量仪1，检测头10将压板电压引入测量仪。A substation trip pressure plate voltage measuring instrument, including a measuring instrument 1, an insulating grip rod 5, an alligator clip 9 and a detection head 10, the alligator clip 9 used to clamp the grounding screw of the screen cabinet is connected to the measuring instrument 1 through the alligator clip telescopic wire 8 , connect the ground of the measuring instrument 1 to the ground of the screen cabinet, and the detection head 10 with integrated voltage conduction is composed of a cylindrical detection copper rod 2, a U-shaped detection copper card 3 and a copper seat 4, and the copper seat 4 is fixed on the insulating handle 5 The bottom end of the cylindrical detection copper rod 2 is vertically fixed in the middle of the top of the copper seat 4, the side wall of the U-shaped detection copper card 3 is fixed in the middle of the side wall of the cylindrical detection copper rod 2, and one end of the straight wire 6 is fixed At the bottom of the copper seat 4, the other end of the straight wire 6 passes through the insulated grip rod 5 and is connected to one end of the insulated grip rod telescopic wire 7, and the other end of the insulated grip rod telescopic wire 7 is connected to the measuring instrument 1, and the detection head 10 Apply platen voltage to the meter.
工作原理：working principle:
先将鳄鱼夹9夹住屏柜接地螺杆，将测量仪1的地与屏柜的地相连，给测量仪1的测量电路提供接地点。测量弹簧式跳闸压板的电压时，将柱形检测铜棒2分别依次插入弹簧式跳闸压板两端的上孔和下孔中，柱形检测铜棒2通过检测头10将弹簧式跳闸压板两端的上孔电压和下孔电压分别引入测量仪1，测量仪1计算显示电压值。测量联片式跳闸压板的电压时，将U型检测铜卡3分别依次卡入联片式跳闸压板两端的上柱和下柱中，U型检测铜卡3通过检测头10将联片式跳闸压板两端的上柱电压和下柱电压分别引入测量仪1，测量仪1计算显示电压值。First clamp the alligator clip 9 to the ground screw of the screen cabinet, connect the ground of the measuring instrument 1 to the ground of the screen cabinet, and provide a grounding point for the measuring circuit of the measuring instrument 1. When measuring the voltage of the spring-type tripping pressure plate, insert the cylindrical detection copper rod 2 into the upper hole and the lower hole at both ends of the spring-type tripping pressure plate in turn, and the cylindrical detection copper rod 2 passes through the detection head 10 to connect the upper and lower holes of the two ends of the spring-type tripping pressure plate. The hole voltage and the hole voltage are respectively introduced into the measuring instrument 1, and the measuring instrument 1 calculates and displays the voltage value. When measuring the voltage of the joint-type tripping pressure plate, the U-shaped detection copper card 3 is sequentially inserted into the upper column and the lower column at both ends of the joint-type tripping pressure plate, and the U-shaped detection copper card 3 passes through the detection head 10. The upper column voltage and the lower column voltage at both ends of the pressure plate are respectively introduced into the measuring instrument 1, and the measuring instrument 1 calculates and displays the voltage value.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864832.0A CN110596446A (en) | 2019-09-12 | 2019-09-12 | Substation trip pressure plate voltage measuring instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910864832.0A CN110596446A (en) | 2019-09-12 | 2019-09-12 | Substation trip pressure plate voltage measuring instrument |
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| CN110596446A true CN110596446A (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910864832.0A Pending CN110596446A (en) | 2019-09-12 | 2019-09-12 | Substation trip pressure plate voltage measuring instrument |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488083A (en) * | 2019-08-16 | 2019-11-22 | 国网安徽省电力有限公司滁州供电公司 | A kind of relay protection outlet pressing plate pulse voltage detection device, method and circuit |
| CN113092843A (en) * | 2021-04-06 | 2021-07-09 | 广东电网有限责任公司 | Pressure plate voltage measuring device |
| CN115407150A (en) * | 2022-08-29 | 2022-11-29 | 广东电网有限责任公司 | System, method, meter and medium for determining use condition of protective pressing plate |
-
2019
- 2019-09-12 CN CN201910864832.0A patent/CN110596446A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488083A (en) * | 2019-08-16 | 2019-11-22 | 国网安徽省电力有限公司滁州供电公司 | A kind of relay protection outlet pressing plate pulse voltage detection device, method and circuit |
| CN113092843A (en) * | 2021-04-06 | 2021-07-09 | 广东电网有限责任公司 | Pressure plate voltage measuring device |
| CN115407150A (en) * | 2022-08-29 | 2022-11-29 | 广东电网有限责任公司 | System, method, meter and medium for determining use condition of protective pressing plate |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191220 |
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| WD01 | Invention patent application deemed withdrawn after publication |