CN204256049U - A kind of NEW TYPE OF COMPOSITE function earth resistance tester - Google Patents
A kind of NEW TYPE OF COMPOSITE function earth resistance tester Download PDFInfo
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- CN204256049U CN204256049U CN201420698331.2U CN201420698331U CN204256049U CN 204256049 U CN204256049 U CN 204256049U CN 201420698331 U CN201420698331 U CN 201420698331U CN 204256049 U CN204256049 U CN 204256049U
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Abstract
The utility model discloses a kind of NEW TYPE OF COMPOSITE function earth resistance tester, comprise housing, probe, function control button, knob, LCD display and be placed in the functional circuit module of enclosure interior, it is characterized in that: described functional circuit module comprises earth resistance part, GPS part and clock part, wherein said earth resistance part comprises and is connected to DC/AC conversion functional module between power supply with microprocessor in turn, exchanges enlarging function module, filter function module, analog acquisition module and reference value sampling module; Described GPS part comprises GPS place locating module and GPS power management module; Described clock portion is divided and is comprised clock module and clock reserve battery supply module.GPS function, time clock feature and earth resistance tester integrate by the utility model cleverly, add jumbo data storage function, have high-intelligentization, pinpoint accuracy, high performance-price ratio, easy to use, feature efficiently.
Description
Technical field
The utility model relates to the technical field of electronic surveying, is specifically related to a kind of NEW TYPE OF COMPOSITE function earth resistance tester.
Background technology
Existing earth resistance tester is not with GPS (point location) and clock (time interocclusal record) function; And the departments such as electric power, quality inspection and construction work often need (different time points) detection and tracking for a long time in the situation of change of same place or local ground resistance, and this needs loaded down with trivial details manually to carry out record, also probably causes artificial makeing mistakes.
Utility model content
In order to solve the problem, a kind of NEW TYPE OF COMPOSITE function earth resistance tester disclosed in the utility model, by earth resistance, clock log and GPS function i ntegration in one, record the situation that a certain place changes at different time stake resistance in detail, for long term monitoring and the grounding resistance recording same place provide conveniently.
The technical scheme that the utility model is adopted for achieving the above object is:
A kind of NEW TYPE OF COMPOSITE function earth resistance tester, comprise housing, probe, function control button, knob, LCD display and be placed in the functional circuit module of enclosure interior, it is characterized in that: described functional circuit module comprises earth resistance part, GPS part and clock part, wherein said earth resistance part comprises and is connected to DC/AC conversion functional module between power supply with microprocessor in turn, exchanges enlarging function module, filter function module, analog acquisition module and reference value sampling module; Described GPS part comprises GPS place locating module and GPS power management module; Described clock portion is divided and is comprised clock module and clock reserve battery supply module; Described functional circuit module also comprises air humidity part of detecting.
Further, described earth resistance part comprises stake resistance Re test module, auxiliary earth resistance Rh test module, probe stake resistance Rs test module and ground voltage and frequency test module.
Further, described filter function module comprises software and hardware analog filtering functional module and digital filtering functional module.
Further, described functional circuit module also comprises data storage function module, maximum/minimum value functional module, gear switch functional module, comparing function module, backlight function module peace average value processing functional module.
Further, described functional circuit module also comprises usb communication module.
Further, described function controls button and comprises 2 line buttons, 3 line buttons and 4 line buttons, 2 line test patterns, 3 line test patterns and 4 line formula test patterns respectively during corresponding test stake resistance.
Each functional module above-mentioned is corresponding function i ntegration module, e.g., and DC/AC translation function module, exchange enlarging function module, filter function module, analog acquisition module and reference value sampling module, GPS module, GPS power management modules, clock module and clock reserve battery are powered module etc.
The utility model has the advantage of: the utility model is for electric power, the department such as quality inspection and construction work often needs (different time points) detection and tracking for a long time in the situation of change of same place or local ground resistance, by by earth resistance, clock log (time interocclusal record) function and GPS (point location) function i ntegration is in one, the situation that a certain place changes at different time stake resistance can be recorded in detail, graphically shown by LCD, the situation that a certain place changes at different time stake resistance can be seen very intuitively, for long term monitoring and the grounding resistance recording same place provide conveniently, a more comprehensive and accurate conclusion can be drawn like this, for the grounding construction at the same area provides important reference and judgement with detecting.
Below in conjunction with accompanying drawing and embodiment, the utility model is further illustrated.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the present embodiment.
Embodiment
Embodiment, see Fig. 1, the NEW TYPE OF COMPOSITE function earth resistance tester that the present embodiment provides, comprise housing, probe, function control button, knob, LCD display and be placed in the functional circuit module of enclosure interior, described functional circuit module comprises earth resistance part, GPS part and clock part, and wherein said earth resistance part comprises and is connected to DC/AC conversion functional module between power supply with microprocessor in turn, exchanges enlarging function module, filter function module, analog acquisition module and reference value sampling module; Described GPS part comprises GPS place locating module and GPS power management module; Described clock portion is divided and is comprised clock module and clock reserve battery supply module.The GPS place locating module of described GPS part is used for ground point location, and the longitude and latitude in place measured in record, and the clock module of described clock part is used for clock log, as: on January 8th, 2015 17:30.Described functional circuit module also comprises air humidity part of detecting, this air humidity part of detecting comprises air humidity test module, for detecting the on-site air humidity of NEW TYPE OF COMPOSITE function earth resistance tester, for contrasting the relation of air humidity and stake resistance.
Described earth resistance part comprises stake resistance Re test module, auxiliary earth resistance Rh test module, probe stake resistance Rs test module and ground voltage and frequency test module, detect stake resistance Re, auxiliary earth resistance Rh, probe stake resistance Rs and ground voltage and frequency respectively.
Described filter function module comprises software and hardware analog filtering functional module and digital filtering functional module.Signal quality can be improved, to reduce workload and the difficulty of follow-up data process by analog filtering and digital filtering.
Described functional circuit module also comprises data storage function module, maximum/minimum value functional module, gear switch functional module, comparing function module, backlight function module peace average value processing functional module, SAVE (data storage) function corresponded respectively controls button, MAX/MIN (maximum/minimum value) function controls button, RANGE (switching automatically and manual gear) function controls button, COMP (comparison) function controls button, LIGHT (backlight) function controls button, AVERAGE (process of averaging) function controls button.
Described functional circuit module also comprises usb communication module, connects the transmission that usb communication module carries out data for computer etc. by data line.
Described function controls button and comprises 2 line buttons, 3 line buttons and 4 line buttons, 2 line test patterns, 3 line test patterns and 4 line formula test patterns respectively during corresponding test stake resistance.User can as required, adopt 2 line test patterns or 3 line test patterns or 4 line test patterns to improve the accuracy of measurement.
Each functional module above-mentioned is corresponding function i ntegration module, e.g., and DC/AC translation function module, exchange enlarging function module, filter function module, analog acquisition module and reference value sampling module, GPS module, GPS power management modules, clock module and clock reserve battery are powered module etc.
The present embodiment NEW TYPE OF COMPOSITE function earth resistance tester, frequency test signal is 94Hz and 128Hz; Test signal voltage: 45V exchanges; Short-circuit current: about 80mA; Stake resistance Re is 0.05 Ω ~ 1999 Ω, and measuring accuracy is ± (3%+5); Auxiliary earth resistance Rh is 0 ~ 50k Ω, and measuring accuracy is ± 8%; Auxiliary earth resistance Rs is 0 ~ 50k Ω, and measuring accuracy is ± 8%.
The present embodiment is for electric power, the department such as quality inspection and construction work often needs (different time points) detection and tracking for a long time in the situation of change of same place or local ground resistance, by by earth resistance, clock log (time interocclusal record) function and GPS (point location) function i ntegration is in one, the situation that a certain place changes at different time stake resistance can be recorded in detail, graphically shown by LCD, the situation that a certain place changes at different time stake resistance can be seen very intuitively, for long term monitoring and the grounding resistance recording same place provide conveniently, a more comprehensive and accurate conclusion can be drawn like this, for the grounding construction at the same area provides important reference and judgement with detecting.
The utility model is not limited to above-mentioned embodiment, adopt or approximation apparatus identical with the utility model above-described embodiment, and other obtaining is for NEW TYPE OF COMPOSITE function earth resistance tester, all within protection domain of the present utility model.
Claims (6)
1. a NEW TYPE OF COMPOSITE function earth resistance tester, comprise housing, probe, function control button, knob, LCD display and be placed in the functional circuit module of enclosure interior, it is characterized in that: described functional circuit module comprises earth resistance part, GPS part and clock part, wherein said earth resistance part comprises and is connected to DC/AC conversion functional module between power supply with microprocessor in turn, exchanges enlarging function module, filter function module, analog acquisition module and reference value sampling module; Described GPS part comprises GPS place locating module and GPS power management module; Described clock portion is divided and is comprised clock module and clock reserve battery supply module; Described functional circuit module also comprises air humidity part of detecting.
2. NEW TYPE OF COMPOSITE function earth resistance tester according to claim 1, it is characterized in that: described earth resistance part comprises stake resistance Re test module, auxiliary earth resistance Rh test module, probe stake resistance Rs test module and ground voltage and frequency test module.
3. NEW TYPE OF COMPOSITE function earth resistance tester according to claim 1, is characterized in that: described filter function module comprises software and hardware analog filtering functional module and digital filtering functional module.
4. NEW TYPE OF COMPOSITE function earth resistance tester according to claim 1, it is characterized in that: described functional circuit module also comprises data storage function module, maximum/minimum value functional module, gear switch functional module, comparing function module, backlight function module peace average value processing functional module.
5. NEW TYPE OF COMPOSITE function earth resistance tester according to claim 1, is characterized in that: described functional circuit module also comprises usb communication module.
6. NEW TYPE OF COMPOSITE function earth resistance tester according to claim 1, it is characterized in that: described function controls button and comprises 2 line buttons, 3 line buttons and 4 line buttons, 2 line test patterns, 3 line test patterns and 4 line formula test patterns respectively during corresponding test stake resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420698331.2U CN204256049U (en) | 2014-11-19 | 2014-11-19 | A kind of NEW TYPE OF COMPOSITE function earth resistance tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420698331.2U CN204256049U (en) | 2014-11-19 | 2014-11-19 | A kind of NEW TYPE OF COMPOSITE function earth resistance tester |
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| CN204256049U true CN204256049U (en) | 2015-04-08 |
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| CN201420698331.2U Active CN204256049U (en) | 2014-11-19 | 2014-11-19 | A kind of NEW TYPE OF COMPOSITE function earth resistance tester |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880607A (en) * | 2015-04-30 | 2015-09-02 | 国家电网公司 | GPS automatic positioning detection method and apparatus for grounding resistance |
| CN104914314A (en) * | 2015-05-11 | 2015-09-16 | 国家电网公司 | Circuit layout and error correction system used for measuring grounding impedance |
| CN106526423A (en) * | 2016-11-16 | 2017-03-22 | 中国电力科学研究院 | Method and system for informatization management for transmission line tower grounding resistance data |
-
2014
- 2014-11-19 CN CN201420698331.2U patent/CN204256049U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880607A (en) * | 2015-04-30 | 2015-09-02 | 国家电网公司 | GPS automatic positioning detection method and apparatus for grounding resistance |
| CN104914314A (en) * | 2015-05-11 | 2015-09-16 | 国家电网公司 | Circuit layout and error correction system used for measuring grounding impedance |
| CN106526423A (en) * | 2016-11-16 | 2017-03-22 | 中国电力科学研究院 | Method and system for informatization management for transmission line tower grounding resistance data |
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Address after: 523808 No. 6 industrial North Road, Songshan Lake high tech Industrial Development Zone, Dongguan, Guangdong Patentee after: Uno Technology (China) Limited by Share Ltd Address before: 523808 No. 6 industrial North Road, Songshan Lake high tech Industrial Development Zone, Dongguan, Guangdong Patentee before: Uni-Trend Technology (China) Co., Ltd. |