CN103018570A - Ground resistance testing equipment - Google Patents
Ground resistance testing equipment Download PDFInfo
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- CN103018570A CN103018570A CN2012103819699A CN201210381969A CN103018570A CN 103018570 A CN103018570 A CN 103018570A CN 2012103819699 A CN2012103819699 A CN 2012103819699A CN 201210381969 A CN201210381969 A CN 201210381969A CN 103018570 A CN103018570 A CN 103018570A
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- conductor
- control unit
- main control
- earth resistance
- resistance equipment
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Abstract
The invention provides ground resistance testing equipment comprising a current adjusting device, a protection device, a time control device, an alarming device, a main control unit, a display device, a wiring port and a current generator, wherein the current adjusting device is connected with the current generator through a conductor; the protection device and the time control device are respectively connected with the current generator through conductors; the alarming device is connected with the main control unit through a conductor; the protection device is connected with the main control unit through a conductor; the display device is connected with the main control unit through a conductor; the wiring port is connected with the main control unit through a conductor; and the current generator is connected with the main control unit through a conductor. The ground resistance testing equipment disclosed by the invention has the advantages of simple principle and structure, convenience for use and maintenance, easiness of carrying, high measurement precision, good stability, capability of meeting a high-precision ground resistance measuring occasion and low batch production cost.
Description
Technical field
The present invention relates to the checkout equipment field, particularly a kind of earth resistance equipment.
Background technology
Measure the stake resistance of various devices and the conductor resistance value of measuring low resistance is very necessary in occasions such as electric power, communication, main equipments, lack at present relevant accurate testing apparatus, bulky often, measuring accuracy is low.
Summary of the invention
The objective of the invention is in order to improve measuring accuracy, the spy provides a kind of earth resistance equipment.
The invention provides a kind of earth resistance equipment, it is characterized in that: described earth resistance equipment comprises regulating current device 1, protective device 2, time-controlling arrangement 3, warning device 4, main control unit 5, display device 6, Wiring port 7, current feedback circuit 8;
Wherein: regulating current device 1 and current feedback circuit 8 are connected by conductor; protective device 2, time-controlling arrangement 3 are connected with current feedback circuit 8 by conductor respectively; warning device 4 and main control unit 5 are connected by conductor; protective device 2 and main control unit 5 are connected by conductor; display device 6 and main control unit 5 are connected by conductor; Wiring port 7 and main control unit 5 are connected by conductor, and current feedback circuit 8 and main control unit 5 are connected by conductor.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described protective device 2 comprises overcurrent and over-pressure safety device.
Described warning device 4 comprises sound, light warning device, and the function of automatically cutting off module.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described Wiring port 7 is with flexible earthing device.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described display device 6 is touch-screen.
Adopt on the structure intensity and toughness all more intense engineering plastics make instrument that preferably antijamming capability be arranged for preventing that power frequency, Radio frequency interference (RFI) from adopting Phase Locked Loop Synchronization tracking detecting way and being equipped with switching capacity filter as casing on the circuit.
Advantage of the present invention:
Earth resistance equipment of the present invention, theory structure is simple, and operation and maintenance is convenient, carries easily, and measuring accuracy is high, and good stability satisfies the measurement occasion of high-precision stake resistance, and the batch production cost is low.
Description of drawings
The present invention is further detailed explanation below in conjunction with drawings and the embodiments:
Fig. 1 is earth resistance equipment principle structural representation.
Embodiment
Embodiment 1
Present embodiment provides a kind of earth resistance equipment, it is characterized in that: described earth resistance equipment comprises regulating current device 1, protective device 2, time-controlling arrangement 3, warning device 4, main control unit 5, display device 6, Wiring port 7, current feedback circuit 8;
Wherein: regulating current device 1 and current feedback circuit 8 are connected by conductor; protective device 2, time-controlling arrangement 3 are connected with current feedback circuit 8 by conductor respectively; warning device 4 and main control unit 5 are connected by conductor; protective device 2 and main control unit 5 are connected by conductor; display device 6 and main control unit 5 are connected by conductor; Wiring port 7 and main control unit 5 are connected by conductor, and current feedback circuit 8 and main control unit 5 are connected by conductor.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described protective device 2 comprises overcurrent and over-pressure safety device.
Adopt on the structure intensity and toughness all more intense engineering plastics make instrument that preferably antijamming capability be arranged for preventing that power frequency, Radio frequency interference (RFI) from adopting Phase Locked Loop Synchronization tracking detecting way and being equipped with switching capacity filter as casing on the circuit.
Embodiment 2
Present embodiment provides a kind of earth resistance equipment, it is characterized in that: described earth resistance equipment comprises regulating current device 1, protective device 2, time-controlling arrangement 3, warning device 4, main control unit 5, display device 6, Wiring port 7, current feedback circuit 8;
Wherein: regulating current device 1 and current feedback circuit 8 are connected by conductor; protective device 2, time-controlling arrangement 3 are connected with current feedback circuit 8 by conductor respectively; warning device 4 and main control unit 5 are connected by conductor; protective device 2 and main control unit 5 are connected by conductor; display device 6 and main control unit 5 are connected by conductor; Wiring port 7 and main control unit 5 are connected by conductor, and current feedback circuit 8 and main control unit 5 are connected by conductor.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described protective device 2 comprises overcurrent and over-pressure safety device.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described warning device 4 comprises sound, light warning device, and the function of automatically cutting off module.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described Wiring port 7 is with flexible earthing device.
Adopt on the structure intensity and toughness all more intense engineering plastics make instrument that preferably antijamming capability be arranged for preventing that power frequency, Radio frequency interference (RFI) from adopting Phase Locked Loop Synchronization tracking detecting way and being equipped with switching capacity filter as casing on the circuit.
Present embodiment provides a kind of earth resistance equipment, it is characterized in that: described earth resistance equipment comprises regulating current device 1, protective device 2, time-controlling arrangement 3, warning device 4, main control unit 5, display device 6, Wiring port 7, current feedback circuit 8;
Wherein: regulating current device 1 and current feedback circuit 8 are connected by conductor; protective device 2, time-controlling arrangement 3 are connected with current feedback circuit 8 by conductor respectively; warning device 4 and main control unit 5 are connected by conductor; protective device 2 and main control unit 5 are connected by conductor; display device 6 and main control unit 5 are connected by conductor; Wiring port 7 and main control unit 5 are connected by conductor, and current feedback circuit 8 and main control unit 5 are connected by conductor.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described protective device 2 comprises overcurrent and over-pressure safety device.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described warning device 4 comprises sound, light warning device, and the function of automatically cutting off module.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described Wiring port 7 is with flexible earthing device.
According to earth resistance equipment claimed in claim 1, it is characterized in that: described display device 6 is touch-screen.
Adopt on the structure intensity and toughness all more intense engineering plastics make instrument that preferably antijamming capability be arranged for preventing that power frequency, Radio frequency interference (RFI) from adopting Phase Locked Loop Synchronization tracking detecting way and being equipped with switching capacity filter as casing on the circuit.
Claims (5)
1. earth resistance equipment, it is characterized in that: described earth resistance equipment comprises regulating current device (1), protective device (2), time-controlling arrangement (3), warning device (4), main control unit (5), display device (6), Wiring port (7), current feedback circuit (8);
Wherein: regulating current device (1) is connected by conductor with current feedback circuit (8); protective device (2), time-controlling arrangement (3) are connected with current feedback circuit (8) by conductor respectively; warning device (4) is connected by conductor with main control unit (5); protective device (2) is connected by conductor with main control unit (5); display device (6) is connected by conductor with main control unit (5); Wiring port (7) is connected by conductor with main control unit (5), and current feedback circuit (8) is connected by conductor with main control unit (5).
2. according to earth resistance equipment claimed in claim 1, it is characterized in that: described protective device (2) comprises overcurrent and over-pressure safety device.
3. according to earth resistance equipment claimed in claim 1, it is characterized in that: described warning device (4) comprises sound, light warning device, and the function of automatically cutting off module.
4. according to earth resistance equipment claimed in claim 1, it is characterized in that: described Wiring port (7) is with flexible earthing device.
5. according to earth resistance equipment claimed in claim 1, it is characterized in that: described display device (6) is touch-screen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012103819699A CN103018570A (en) | 2012-10-10 | 2012-10-10 | Ground resistance testing equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2012103819699A CN103018570A (en) | 2012-10-10 | 2012-10-10 | Ground resistance testing equipment |
Publications (1)
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CN103018570A true CN103018570A (en) | 2013-04-03 |
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Family Applications (1)
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CN2012103819699A Pending CN103018570A (en) | 2012-10-10 | 2012-10-10 | Ground resistance testing equipment |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1150249A (en) * | 1995-11-10 | 1997-05-21 | 中国科学院空间科学与应用研究中心 | Ground resistance tester controlled by computer |
EP1306682A2 (en) * | 2001-10-02 | 2003-05-02 | Robin Electronics Limited | Circuit tester |
EP1482317A1 (en) * | 2003-05-26 | 2004-12-01 | Cirprotec, S.L. | Earth resistance measurement instrument by neutral-to-earth loop and measurement procedure |
CN1749763A (en) * | 2005-11-03 | 2006-03-22 | 北京科技大学 | Method and device for detecting resistance |
CN201984113U (en) * | 2011-03-07 | 2011-09-21 | 上海逸航汽车零部件有限公司 | Resistance tester |
CN202133718U (en) * | 2011-07-21 | 2012-02-01 | 江门天诚溶剂制品有限公司 | Simple on-line measuring instrument for ground resistor |
CN202903890U (en) * | 2012-10-10 | 2013-04-24 | 国家电网公司 | Ground resistance test device |
-
2012
- 2012-10-10 CN CN2012103819699A patent/CN103018570A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1150249A (en) * | 1995-11-10 | 1997-05-21 | 中国科学院空间科学与应用研究中心 | Ground resistance tester controlled by computer |
EP1306682A2 (en) * | 2001-10-02 | 2003-05-02 | Robin Electronics Limited | Circuit tester |
EP1482317A1 (en) * | 2003-05-26 | 2004-12-01 | Cirprotec, S.L. | Earth resistance measurement instrument by neutral-to-earth loop and measurement procedure |
CN1749763A (en) * | 2005-11-03 | 2006-03-22 | 北京科技大学 | Method and device for detecting resistance |
CN201984113U (en) * | 2011-03-07 | 2011-09-21 | 上海逸航汽车零部件有限公司 | Resistance tester |
CN202133718U (en) * | 2011-07-21 | 2012-02-01 | 江门天诚溶剂制品有限公司 | Simple on-line measuring instrument for ground resistor |
CN202903890U (en) * | 2012-10-10 | 2013-04-24 | 国家电网公司 | Ground resistance test device |
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Application publication date: 20130403 |