CN205451412U - Ground connection stake alarm device - Google Patents
Ground connection stake alarm device Download PDFInfo
- Publication number
- CN205451412U CN205451412U CN201521122035.9U CN201521122035U CN205451412U CN 205451412 U CN205451412 U CN 205451412U CN 201521122035 U CN201521122035 U CN 201521122035U CN 205451412 U CN205451412 U CN 205451412U
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- China
- Prior art keywords
- module
- alarm device
- current sensor
- ground stud
- clip
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- Expired - Fee Related
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- 238000004891 communication Methods 0.000 claims abstract description 21
- 230000003750 conditioning effect Effects 0.000 claims abstract description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 230000009467 reduction Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000036541 health Effects 0.000 description 4
- 238000005070 sampling Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a ground connection stake alarm device, including the formula of clamp current sensor, host system, power module to and the communication module, display module and the acousto -optic warning module that link to each other with host system, wherein, the formula of clamp current sensor centre gripping is in the ground connection stake to link to each other with the host system input through signal conditioning circuit. Ground connection stake alarm device, gather ground connection stake circuit through pressing from both sides formula current sensor, send alarm signal through the acousto -optic warning module behind host system analysis processes, can provide simple, effectual electrified the warning to all earth connection earthing device, ensure the personal safety.
Description
Technical field
This utility model relates to a kind of ground stud alarm device, belongs to electric power alarm technique field.
Background technology
Earth lead protects equipment as the important foundation class of power system, and personal security in all kinds of power engineering operations is played important protective effect.Earth lead simple in construction to be ensured, effectively, therefore seldom have the device that powers alarm in current all kinds of earth lead, also occurred that some were the most charged due to earth wire in the accident of state's net, or had conducted electricity the security incident caused to earth's surface.
In view of this, this is studied by the present inventor, develops a kind of ground stud alarm device specially, and this case thus produces.
Utility model content
The purpose of this utility model is to provide a kind of ground stud alarm device, ground stud circuit is gathered by clip current sensor, alarm signal is sent by sound and light alarm module after main control module analyzes and processes, band electric alarm simple, effective can be provided, it is ensured that personal safety to all earth leads/grounding device.
To achieve these goals, solution of the present utility model is:
A kind of ground stud alarm device, including clip current sensor, main control module, power module, and communication module, display module and the acousto-optic alarm module being connected with main control module, wherein, described clip current sensor is clamped on ground stud, and is connected with main control module input by signal conditioning circuit.
As preferably, described clip current sensor includes clip DC current sensor and clip AC current sensor, for gathering the DC current on ground stud and alternating current.
As preferably, described main control module uses microprocessor to control, and specifically can use the C2000 series microprocessor of Texas Instruments.
As preferably, described signal conditioning circuit is mainly made up of voltage order one follower, and described voltage follower uses operational amplifier, and the electric current for the output of wafer type current sensor is nursed one's health, and protects main control module.
As preferably, described display module uses LED display, for showing the parameters of ground stud alarm device.
As preferably, described sound and light alarm module includes buzzer and light emitting diode.
As preferably, described communication module uses bluetooth communication or WIFI communication module, is used for being grounded an alarm device and external device communication.
As preferably, described power module uses 12V lithium battery power supply, by reduction voltage circuit, is 3.3V voltage by 12V voltage step-down, powers for main control module.
Above-mentioned ground stud alarm device operation principle: first the retaining part of clip current sensor is fixed on earth lead, for gathering the DC current on ground stud and alternating current, the current signal collected is input to after signal conditioning circuit is nursed one's health the ADC mouth of microprocessor simultaneously, after main control module receives sampling ADC value, it is calculated analytically and obtains AC current values and DC current values, and with pre-set threshold value compares, when going beyond the scope, reported to the police by sound and light alarm module, display module shows parameters in real time, it is easy to staff observe, by bluetooth communication or WIFI communication module in a wireless form with external device communication.Ground stud alarm device described in the utility model, hardware module volume is little, can directly be in the layout of on existing ground stud, it is not necessary to it is carried out hardware modifications；Use clip current sensor, while installation, convenient disassembly, owing to directly contacting conductor, improve the susceptiveness triggered, exchange or DC small signal can accurately be monitored, use transmitting information wirelessly, make acquisition of information more convenient, use lithium battery power supply, it is not necessary to extra supply line, simplify circuit.
Below in conjunction with drawings and the specific embodiments, this utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the ground stud alarm device module frame chart of the present embodiment.
Detailed description of the invention
As shown in Figure 1, a kind of ground stud alarm device, including 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 being connected with main control module 3, wherein, described clip DC current sensor 1, clip AC current sensor 2 are dismountable clip structure, by hold assembly dead earth stake, for gathering the 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 by signal conditioning circuit 7.
Described, according to 10mA electric current alarming value requirement, choose clip DC current sensor 1, clip AC current sensor 2 that full scale is 50mA, during full scale, require that output voltage is 3V, gamut internal linear degree is better than 1% simultaneously, uses 12V working power.In view of impedance matching and defencive function, such as measurement is to when during larger current, sensor output may damage main control module 3 situation more than 3V, and the output of clip DC current sensor 1, clip AC current sensor 2 needs through signal conditioning circuit 7.Signal conditioning circuit 7 described in the present embodiment is mainly made up of voltage order one follower; described voltage follower uses model to be the precision operational-amplifier of OP07; electric current for wafer type DC current sensor 1, clip AC current sensor 2 output is nursed one's health, and protects main control module 3.
In the present embodiment, described main control module 3 uses 32-bit microprocessor control, specifically can use the C2000 series microprocessor of Texas Instruments, such as the process chip that model is TMS320F28069, the ADC conversion rate of TMS320F28069 is up to 3.46MSPS, and sampling precision is up to 12.
Described display module 5 uses resolution to be the OLED of 128*64, for showing the parameters of ground stud alarm 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 includes buzzer and light emitting diode, is used for sending sound and light alarm.Described communication module 4 can use bluetooth communication or WIFI communication module, is used for being grounded an alarm device and external device communication.Described power module uses 12V lithium battery power supply, and 12V is simultaneously by reduction voltage circuit, and blood pressure lowering is 3.3V, for microprocessor power supply.
Above-mentioned ground stud alarm device operation principle: first by clip DC current sensor 1, the retaining part of clip AC current sensor 2 is fixed on earth lead, for gathering the 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, it is calculated analytically and obtains AC current values and DC current values, and with pre-set threshold value compares, when going beyond the scope, reported to the police by sound and light alarm module 6, display module 5 shows parameters in real time, it is easy to staff observe, by bluetooth communication or WIFI communication module in a wireless form with external device communication.Ground stud alarm device described in the present embodiment, hardware module volume is little, can directly be in the layout of on existing ground stud, it is not necessary to it is carried out hardware modifications；Use clip current sensor, exchange or DC small signal can accurately be monitored, use transmitting information wirelessly, make acquisition of information more convenient, use lithium battery power supply, it is not necessary to extra supply line, simplify circuit.
Above-described embodiment and graphic and non-limiting product form of the present utility model and style, suitably change that it is done by any person of an ordinary skill in the technical field or modify, all should be regarded as without departing from patent category of the present utility model.
Claims (8)
1. a ground stud alarm device, it is characterized in that: include clip current sensor, main control module, power module, and communication module, display module and the acousto-optic alarm module being connected with main control module, wherein, described clip current sensor is clamped on ground stud, and is connected with main control module input by signal conditioning circuit.
2. a kind of ground stud alarm device as claimed in claim 1, it is characterised in that: described clip current sensor includes clip DC current sensor and clip AC current sensor.
3. a kind of ground stud alarm device as claimed in claim 1, it is characterised in that: described main control module uses microprocessor to control.
4. a kind of ground stud alarm device as claimed in claim 1, it is characterised in that: described signal conditioning circuit is mainly made up of voltage order one follower, and described voltage follower uses operational amplifier.
5. a kind of ground stud alarm device as claimed in claim 1, it is characterised in that: described display module uses LED display.
6. a kind of ground stud alarm device as claimed in claim 1, it is characterised in that: described sound and light alarm module includes buzzer and light emitting diode.
7. a kind of ground stud alarm device as claimed in claim 1, it is characterised in that: described communication module uses bluetooth communication or WIFI communication module.
8. a kind of ground stud alarm device as claimed in claim 1, it is characterised in that: described power module uses 12V lithium battery power supply, simultaneously by reduction voltage circuit, is 3.3V voltage by 12V voltage step-down, powers for main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521122035.9U CN205451412U (en) | 2015-12-31 | 2015-12-31 | Ground connection stake alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521122035.9U CN205451412U (en) | 2015-12-31 | 2015-12-31 | Ground connection stake alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205451412U true CN205451412U (en) | 2016-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521122035.9U Expired - Fee Related CN205451412U (en) | 2015-12-31 | 2015-12-31 | Ground connection stake alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205451412U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448048A (en) * | 2015-12-31 | 2016-03-30 | 国网浙江省电力公司绍兴供电公司 | Grounding pile alarm device |
| CN109191798A (en) * | 2018-09-10 | 2019-01-11 | 国网福建省电力有限公司 | Based on Internet of Things interactive Intelligent earth wire management system |
-
2015
- 2015-12-31 CN CN201521122035.9U patent/CN205451412U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448048A (en) * | 2015-12-31 | 2016-03-30 | 国网浙江省电力公司绍兴供电公司 | Grounding pile alarm device |
| CN109191798A (en) * | 2018-09-10 | 2019-01-11 | 国网福建省电力有限公司 | Based on Internet of Things interactive Intelligent earth wire management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20201231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |