CN105448048A - Grounding pile alarm device - Google Patents
Grounding pile alarm device Download PDFInfo
- Publication number
- CN105448048A CN105448048A CN201511013678.4A CN201511013678A CN105448048A CN 105448048 A CN105448048 A CN 105448048A CN 201511013678 A CN201511013678 A CN 201511013678A CN 105448048 A CN105448048 A CN 105448048A
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- CN
- China
- Prior art keywords
- module
- main control
- warning device
- ground stud
- control module
- 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.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- 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
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16528—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values using digital techniques or performing arithmetic operations
Abstract
The invention discloses a grounding pile alarm device, and the device comprises a clamp-type current transformer, a main control module, a power module, a communication module, a display module, and a sound-light alarm module, wherein the communication module, the display module and the sound-light alarm module are respectively connected with the main control module. The clamp-type current transformer clamps a grounding pile, and is connected with the input end of the main control module through a signal conditioning circuit. According to the invention, the device collects a grounding pile circuit through the clamp-type current transformer, and transmits an alarm signal through the sound-light alarm module after analysis through the main control module. The device can provide simple and effective live alarm for all grounding lines/grounding devices, and guarantees the personal safety.
Description
Technical field
The present invention relates to a kind of ground stud warning device, belong to electric power alarm technique field.
Background technology
Ground wire, as the important foundation class proterctive equipment of electric system, plays important protective effect to personal security in all kinds of power engineering operation.Ground wire will ensure that structure is simple, effectively, therefore seldom has the device that powers alarm in current all kinds of ground wire, also occurred in the accident of state's net some due to earth wire whether charged, or whether conducted electricity the security incident caused to earth's surface.
In view of this, the present inventor studies this, and develop a kind of ground stud warning device specially, this case produces thus.
Summary of the invention
The object of this invention is to provide a kind of ground stud warning device, ground stud circuit is gathered by clip current sensor, alerting signal is sent by sound and light alarm module after main control module analyzing and processing, can provide all ground wire/earthing device and simply, effectively be with electric alarm, guarantee personal safety.
To achieve these goals, solution of the present invention is:
A kind of ground stud warning device, comprise clip current sensor, main control module, power module, and communication module, display module and the acousto-optic alarm module to be connected with main control module, wherein, described clip current sensor is clamped on ground stud, and is connected with main control module input end by signal conditioning circuit.
As preferably, described clip current sensor comprises clip DC current sensor and clip AC current sensor, for gathering DC current on ground stud and alternating current.
As preferably, described main control module adopts Microprocessor S3C44B0X, specifically can adopt the C2000 series microprocessor of Texas Instruments.
As preferably, described signal conditioning circuit is formed primarily of voltage order one follower, and described voltage follower adopts operational amplifier, and the electric current exported for wafer type current sensor is nursed one's health, protection main control module.
As preferably, described display module adopts LED display, for showing the parameters of ground stud warning device.
As preferably, described sound and light alarm module comprises hummer and light emitting diode.
As preferably, described communication module adopts bluetooth communication or WIFI communication module, for being grounded a warning device and external device communication.
As preferably, described power module adopts 12V lithium battery power supply, by reduction voltage circuit, is 3.3V voltage, for main control module is powered by 12V voltage step-down.
Above-mentioned ground stud warning device principle of work: first the retaining part of clip current sensor is fixed on ground wire, for gathering DC current on ground stud and alternating current, the current signal collected is input to after signal conditioning circuit conditioning the ADC mouth of microprocessor simultaneously, after main control module receives sampling ADC value, calculate AC current values and DC current values by analysis, and compare with pre-set threshold value, when going beyond the scope, reported to the police by sound and light alarm module, display module shows parameters in real time, be convenient to staff observe, by bluetooth communication or WIFI communication module in a wireless form with external device communication.Ground stud warning device of the present invention, hardware module volume is little, can directly be in the layout of on existing ground stud, without the need to carrying out hardware modifications to it; Adopt clip current sensor, while installation, convenient disassembly, owing to directly contacting conductor, improve the sensitivity triggered, can precise monitoring be carried out to interchange or DC small signal, adopt transmitting information wirelessly, make acquisition of information more convenient, adopt lithium battery power supply, without the need to extra supply line, simplify circuit.
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is the ground stud warning device module frame chart of the present embodiment.
Embodiment
As shown in Figure 1, a kind of ground stud warning device, comprise clip DC current sensor 1, clip AC current sensor 2, main control module 3, power module, and communication module 4, display module 5 and the acousto-optic alarm module 6 to be connected with main control module 3, wherein, described clip DC current sensor 1, clip AC current sensor 2 are dismountable clip structure, by the stake of hold assembly solid ground, for gathering DC current on ground stud and alternating current.Clip DC current sensor 1, clip AC current sensor 2 are connected with main control module 3 input end by signal conditioning circuit 7.
Described, according to the requirement of 10mA electric current alarming value, choose clip DC current sensor 1, clip AC current sensor 2 that full scale is 50mA, require that output voltage is 3V during full scale, gamut internal linear degree is better than 1% simultaneously, uses 12V working power.Consider impedance matching and defencive function, when such as, when measuring larger current, sensor exports and may damage main control module 3 situation more than 3V, clip DC current sensor 1, clip AC current sensor 2 export to be needed through signal conditioning circuit 7.Signal conditioning circuit 7 described in the present embodiment is formed primarily of voltage order one follower; described voltage follower adopts model to be the precision operational-amplifier of OP07; the electric current exported for wafer type DC current sensor 1, clip AC current sensor 2 is nursed one's health, protection main control module 3.
In the present embodiment, described main control module 3 adopts 32-bit microprocessor to control, and specifically can adopt the C2000 series microprocessor of Texas Instruments, if model is the process chip of TMS320F28069, the ADC conversion rate of TMS320F28069 is up to 3.46MSPS, and sampling precision is up to 12.
Described display module 5 adopts resolution to be the OLED of 128*64, for showing the parameters of ground stud warning device.OLED has the features such as small in volume, and power supply etc. are without particular/special requirement simultaneously.
Described sound and light alarm module 6 comprises hummer and light emitting diode, for sending sound and light alarm.Described communication module 4 can adopt bluetooth communication or WIFI communication module, for being grounded a warning device and external device communication.Described power module adopts 12V lithium battery power supply, and 12V is simultaneously by reduction voltage circuit, and step-down is 3.3V, is microprocessor power supply.
Above-mentioned ground stud warning device principle of work: first by clip DC current sensor 1, the retaining part of clip AC current sensor 2 is fixed on ground wire, for gathering DC current on ground stud and alternating current, the current signal collected is input to after signal conditioning circuit 7 is nursed one's health the ADC mouth of microprocessor simultaneously, after main control module 3 receives sampling ADC value, calculate AC current values and DC current values by analysis, and compare with pre-set threshold value, when going beyond the scope, reported to the police by sound and light alarm module 6, display module 5 shows parameters in real time, be convenient to staff observe, by bluetooth communication or WIFI communication module in a wireless form with external device communication.Ground stud warning device described in the present embodiment, hardware module volume is little, can directly be in the layout of on existing ground stud, without the need to carrying out hardware modifications to it; Adopt clip current sensor, can precise monitoring be carried out to interchange or DC small signal, adopt transmitting information wirelessly, make acquisition of information more convenient, adopt lithium battery power supply, without the need to extra supply line, simplify circuit.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.
Claims (8)
1. a ground stud warning device, it is characterized in that: comprise clip current sensor, main control module, power module, and communication module, display module and the acousto-optic alarm module to be connected with main control module, wherein, described clip current sensor is clamped on ground stud, and is connected with main control module input end by signal conditioning circuit.
2. a kind of ground stud warning device as claimed in claim 1, is characterized in that: described clip current sensor comprises clip DC current sensor and clip AC current sensor.
3., as preferred, described main control module adopts Microprocessor S3C44B0X.
4. a kind of ground stud warning device as claimed in claim 1, is characterized in that: described signal conditioning circuit is formed primarily of voltage order one follower, and described voltage follower adopts operational amplifier.
5. a kind of ground stud warning device as claimed in claim 1, is characterized in that: described display module adopts LED display.
6. a kind of ground stud warning device as claimed in claim 1, is characterized in that: described sound and light alarm module comprises hummer and light emitting diode.
7. a kind of ground stud warning device as claimed in claim 1, is characterized in that: described communication module adopts bluetooth communication or WIFI communication module.
8. a kind of ground stud warning device as claimed in claim 1, is characterized in that: described power module adopts 12V lithium battery power supply, simultaneously by reduction voltage circuit, is 3.3V voltage, for main control module is powered by 12V voltage step-down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013678.4A CN105448048A (en) | 2015-12-31 | 2015-12-31 | Grounding pile alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511013678.4A CN105448048A (en) | 2015-12-31 | 2015-12-31 | Grounding pile alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105448048A true CN105448048A (en) | 2016-03-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511013678.4A Pending CN105448048A (en) | 2015-12-31 | 2015-12-31 | Grounding pile alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448048A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097647A (en) * | 2016-06-16 | 2016-11-09 | 国家电网公司 | Earth bar faradism alarm device |
| CN108459198A (en) * | 2017-11-29 | 2018-08-28 | 国网浙江省电力公司绍兴供电公司 | A kind of portable earth strap telegram alarm device |
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| CN201926694U (en) * | 2010-11-26 | 2011-08-10 | 河南省电力公司平顶山供电公司 | Multifunctional induction electricity-prevention grounding device |
| CN202600035U (en) * | 2012-06-13 | 2012-12-12 | 何天生 | Current type monitoring device |
| CN203606415U (en) * | 2013-10-21 | 2014-05-21 | 宁波理工智能电网技术有限公司 | On-line monitoring device for grounding current of transformer core |
| CN104391168A (en) * | 2014-12-04 | 2015-03-04 | 国家电网公司 | System and method for inspecting grounding current of accessories of single-core cable having voltage grade above 35kV |
| CN104407199A (en) * | 2014-12-01 | 2015-03-11 | 国网上海市电力公司 | Automatic warning and positioning system of current exceeding of ground wire |
| CN205451412U (en) * | 2015-12-31 | 2016-08-10 | 国网浙江省电力公司绍兴供电公司 | Ground connection stake alarm device |
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2015
- 2015-12-31 CN CN201511013678.4A patent/CN105448048A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201926694U (en) * | 2010-11-26 | 2011-08-10 | 河南省电力公司平顶山供电公司 | Multifunctional induction electricity-prevention grounding device |
| CN202600035U (en) * | 2012-06-13 | 2012-12-12 | 何天生 | Current type monitoring device |
| CN203606415U (en) * | 2013-10-21 | 2014-05-21 | 宁波理工智能电网技术有限公司 | On-line monitoring device for grounding current of transformer core |
| CN104407199A (en) * | 2014-12-01 | 2015-03-11 | 国网上海市电力公司 | Automatic warning and positioning system of current exceeding of ground wire |
| CN104391168A (en) * | 2014-12-04 | 2015-03-04 | 国家电网公司 | System and method for inspecting grounding current of accessories of single-core cable having voltage grade above 35kV |
| CN205451412U (en) * | 2015-12-31 | 2016-08-10 | 国网浙江省电力公司绍兴供电公司 | Ground connection stake alarm device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097647A (en) * | 2016-06-16 | 2016-11-09 | 国家电网公司 | Earth bar faradism alarm device |
| CN108459198A (en) * | 2017-11-29 | 2018-08-28 | 国网浙江省电力公司绍兴供电公司 | A kind of portable earth strap telegram alarm device |
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Application publication date: 20160330 |
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