CN206057469U - A kind of detection means for being capable of monitor in real time iron core grounding current - Google Patents
A kind of detection means for being capable of monitor in real time iron core grounding current Download PDFInfo
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- CN206057469U CN206057469U CN201620924228.4U CN201620924228U CN206057469U CN 206057469 U CN206057469 U CN 206057469U CN 201620924228 U CN201620924228 U CN 201620924228U CN 206057469 U CN206057469 U CN 206057469U
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- process task
- parameter acquisition
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Abstract
This utility model provides a kind of detection means for being capable of monitor in real time iron core grounding current, including current transformer, parameter acquisition chip unit, main process task chip unit, wireless communication chips unit, terminal and positioning chip unit；The earth terminal of iron core is connected to current transformer, current transformer access parameter acquisition chip unit, parameter acquisition chip unit is connected to main process task chip unit, wireless communication chips unit is connected to main process task chip unit, wireless communication unit is connected with terminal wireless communication, parameter acquisition chip unit is also associated with oil quality sensor and temperature sensor, and positioning chip unit is connected to main process task chip unit, and main process task chip unit is also associated with alarm and display screen.Beneficial effect is the electrical quantity for being capable of monitor in real time transformer core grounding end, and other security protection parameters of transformer core, in time the parameter of collection can be processed and be reported to the police, and be wirelessly transmitted to user terminal, realize remote monitoring.
Description
Technical field
This utility model belongs to iron core grounding detection means field, being capable of monitor in real time iron core grounding more particularly, to one kind
The detection means of electric current.
Background technology
Power transformer is one of crucial equipment in power system, and the higher link of fault rate in power equipment,
Its normal operation is the important guarantee of power system security, reliability, high-quality, economical operation.When power transformer normally runs,
Iron core must have and only have some reliable grounds, and the effect of ground connection is connection earth resistance, when there is earth fault in transformator,
It is in high impedance to positive sequence negative-sequence current, is in low resistivity to zero-sequence current, makes ground protection reliability, once there is event in earth terminal
Barrier, can produce discharging fault, the serious reliability service for threatening transformator and electrical network.The iron core grounding electricity of operations staff's detection at present
The means of stream are mainly measured to the current data of iron core grounding lead-out wire using clamp on amperemeter, but live electromagnetic interference
Greatly, it is difficult to ensure that the precision and accuracy of clamp on amperemeter data, and regular visit cannot ensure to find iron core grounding in time
Failure.
Utility model content
In view of this, this utility model is directed to a kind of detection means for being capable of monitor in real time iron core grounding current, energy
The electrical quantity at enough monitor in real time transformer core grounding ends, and other security protection parameters of transformer core, will can be adopted in time
The parameter of collection is processed and is reported to the police, and is wirelessly transmitted to user terminal, realizes remote monitoring.
To reach above-mentioned purpose, what the technical solution of the utility model was realized in：
A kind of detection means for being capable of monitor in real time iron core grounding current, including current transformer, parameter acquisition chip list
Unit, main process task chip unit, wireless communication chips unit, terminal, oil quality sensor, temperature sensor and positioning chip unit；
The earth terminal of transformer core is connected to the input of the current transformer, and the outfan access of the current transformer is described
Parameter acquisition chip unit, the outfan of the parameter acquisition chip unit are connected to the main process task chip unit, the nothing
Line communication chip unit is connected to the COM1 of the main process task chip unit, the wireless communication unit and the terminal without
Line is communicated to connect, and the parameter acquisition chip unit is also associated with the oil quality sensor and the temperature sensor, the oil
The collection terminal of matter sensor is arranged in transformator Seal Oil, and the collection terminal of the temperature sensor gathers the temperature of Seal Oil,
The positioning chip unit is connected to the main process task chip unit, and the main process task chip unit also controls to be connected with alarm
And display screen.
Further, also including pressure transducer, the collection terminal of the pressure transducer is arranged under transformer core
Side, the pressure transducer output connect the parameter acquisition chip unit.
Further, also including permeability measuring instrument, the permeability measuring instrument output connects the parameter acquisition chip
Unit.
Further, also including displacement transducer, the collection terminal of the displacement transducer is connected on transformer core, institute
The outfan for stating displacement transducer is connected to the parameter acquisition chip unit.
Relative to prior art, the detection means for being capable of monitor in real time iron core grounding current described in the utility model has
Following advantage：
Current transformer can gather the current signal at transformer grounding end, and earth terminal current signal is converted into being suitable to survey
The small-signal of amount, and by the current signal transfer after collection conversion to parameter acquisition chip unit；Oil quality sensor can be gathered
The oily parameter information of Seal Oil；Temperature sensor can gather the temperature information of Seal Oil；Current transformer, oil quality sensor
Can be carried out by parameter acquisition chip unit by the information transfer of respective collection to parameter acquisition chip unit with temperature sensor
Analog digital conversion, the signal transmission of the digital form after conversion is processed to main process task chip unit, main process task chip unit
The threshold value for carrying out parameters is compared, once finding that abnormal ranges occurs in certain parameter, can start alarm equipment alarm, by aobvious
The parameter information of display screen display alarm, additionally it is possible to which parameter information is wirelessly transmitted to by user's end by wireless communication chips unit
End, being capable of remote monitoring for user.
Positioning chip unit can position the position coordinateses of transformator.
The pressure transducer being arranged on the downside of transformer core, can gather the pressure parameter of iron core, and be transferred to parameter
Acquisition chip unit, and then main process task chip unit is transferred to, pressure value zone of reasonableness comparison is carried out, once find that stress surpasses
Mark, can start alarm equipment alarm, immediately by the pressure parameter information of display screen display alarm, additionally it is possible to by radio communication
Pressure parameter information is wirelessly transmitted to user terminal by chip unit.
Permeability measuring instrument can gather the permeability parameter of iron core, and be transferred to parameter acquisition chip unit, Jin Erchuan
It is defeated to carry out zone of reasonableness value comparison to main process task chip unit, once find that permeability, not in zone of reasonableness, can start immediately
Alarm equipment alarm, by the permeability parameter information of display screen display alarm, additionally it is possible to will be led by wireless communication chips unit
Magnetic rate parameter information is wirelessly transmitted to user terminal.
The displacement transducer being connected on transformer core, can gather the location information parameter of iron core, and be transferred to ginseng
Number acquisition chip unit, and then main process task chip unit is transferred to, once finding that plunger position movement is excessive, can start immediately
Alarm equipment alarm, by the position parameter data of display screen display alarm, additionally it is possible to by wireless communication chips unit by magnetic conduction
Rate parameter information is wirelessly transmitted to user terminal.
Description of the drawings
The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new
The schematic description and description of type is used to explain this utility model, does not constitute to improper restriction of the present utility model.
In accompanying drawing：
Illustrative view of functional configuration of the Fig. 1 for this utility model embodiment.
Specific embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in this utility model can
To be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score,
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is
Based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description, rather than indicate
Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that
It is to restriction of the present utility model.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, can be by concrete condition understanding
State concrete meaning of the term in this utility model.
Below with reference to the accompanying drawings and in conjunction with the embodiments describing this utility model in detail.
As shown in figure 1, this utility model provides a kind of detection means for being capable of monitor in real time iron core grounding current, including electricity
Current transformer, parameter acquisition chip unit, main process task chip unit, wireless communication chips unit, terminal, oil quality sensor, temperature
Degree sensor and positioning chip unit；The earth terminal of transformer core is connected to the input of the current transformer, the electricity
The outfan of current transformer accesses the parameter acquisition chip unit, and the outfan of the parameter acquisition chip unit is connected to institute
Main process task chip unit is stated, the wireless communication chips unit is connected to the COM1 of the main process task chip unit, described
Wireless communication unit is connected with the terminal wireless communication, and the parameter acquisition chip unit is also associated with the oil quality sensor
With the temperature sensor, the collection terminal of the oil quality sensor is arranged in transformator Seal Oil, the temperature sensor
Collection terminal gathers the temperature of Seal Oil, and the positioning chip unit is connected to the main process task chip unit, the main process task core
Blade unit also controls to be connected with alarm and display screen.
Also include pressure transducer, the collection terminal of the pressure transducer is arranged on the downside of transformer core, the pressure
The force transducer output connection parameter acquisition chip unit.
Also include permeability measuring instrument, the permeability measuring instrument output connects the parameter acquisition chip unit.
Also include displacement transducer, the collection terminal of the displacement transducer is connected on transformer core, the displacement is passed
The outfan of sensor is connected to the parameter acquisition chip unit.
The course of work of this example：The current signal at current transformer collection transformer grounding end, earth terminal electric current is believed
Number it is converted into the small-signal for being suitable to measure, and by the current signal transfer after collection conversion to parameter acquisition chip unit；Oil
The oily parameter information of sensor acquisition Seal Oil；Temperature sensor gathers the temperature information of Seal Oil；Current transformer, oil
The information transfer of respective collection to parameter acquisition chip unit, is entered by sensor and temperature sensor by parameter acquisition chip unit
Row analog digital conversion, the signal transmission of the digital form after conversion is processed to main process task chip unit, main process task chip list
Unit carries out the threshold value of parameters and compares, once finding that abnormal ranges occurs in certain parameter, starts alarm equipment alarm, by showing
Parameter information is also wirelessly transmitted to user terminal by wireless communication chips unit by the parameter information of screen display alarm, for
Family being capable of remote monitoring.
The position coordinateses of positioning chip cell location transformator.
The pressure transducer being arranged on the downside of transformer core, gathers the pressure parameter of iron core, and is transferred to parameter acquisition
Chip unit, and then main process task chip unit is transferred to, pressure value zone of reasonableness comparison is carried out, once finding that stress is exceeded, is stood
Start alarm equipment alarm, by the pressure parameter information of display screen display alarm, will also be pressed by wireless communication chips unit
Force parameter information is wirelessly transmitted to user terminal.
Permeability measuring instrument gathers the permeability parameter of iron core, and is transferred to parameter acquisition chip unit, and then is transferred to
Main process task chip unit, carries out zone of reasonableness value comparison, once find that permeability, not in zone of reasonableness, starts alarm report immediately
It is alert, by the permeability parameter information of display screen display alarm, also by wireless communication chips unit by permeability parameter information
It is wirelessly transmitted to user terminal.
The displacement transducer being connected on transformer core, gathers the location information parameter of iron core, and is transferred to parameter and adopt
Collection chip unit, and then main process task chip unit is transferred to, once finding that plunger position movement is excessive, start alarm report immediately
It is alert, by the position parameter data of display screen display alarm, also by wireless communication chips unit by permeability parameter information without
Line is transferred to user terminal.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model
Protection domain within.
Claims (4)
1. a kind of detection means for being capable of monitor in real time iron core grounding current, it is characterised in that：Adopt including current transformer, parameter
Collection chip unit, main process task chip unit, wireless communication chips unit, terminal, oil quality sensor, temperature sensor and locating core
Blade unit；The earth terminal of transformer core is connected to the input of the current transformer, the outfan of the current transformer
The parameter acquisition chip unit is accessed, the outfan of the parameter acquisition chip unit is connected to the main process task chip list
Unit, the wireless communication chips unit are connected to the COM1 of the main process task chip unit, the wireless communication unit with
The terminal wireless communication connection, the parameter acquisition chip unit are also associated with the oil quality sensor and the temperature sensing
Device, the collection terminal of the oil quality sensor are arranged in transformator Seal Oil, the collection terminal collection sealing of the temperature sensor
The temperature of oil, the positioning chip unit are connected to the main process task chip unit, the main process task chip unit also company of control
It is connected to alarm and display screen.
2. the detection means for being capable of monitor in real time iron core grounding current according to claim 1, it is characterised in that：Also include
Pressure transducer, the collection terminal of the pressure transducer are arranged on the downside of transformer core, and the pressure transducer output connects
Connect the parameter acquisition chip unit.
3. the detection means for being capable of monitor in real time iron core grounding current according to claim 1, it is characterised in that：Also include
Permeability measuring instrument, the permeability measuring instrument output connect the parameter acquisition chip unit.
4. the detection means for being capable of monitor in real time iron core grounding current according to claim 1, it is characterised in that：Also include
Displacement transducer, the collection terminal of the displacement transducer are connected on transformer core, and the outfan of the displacement transducer connects
It is connected to the parameter acquisition chip unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924228.4U CN206057469U (en) | 2016-08-23 | 2016-08-23 | A kind of detection means for being capable of monitor in real time iron core grounding current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620924228.4U CN206057469U (en) | 2016-08-23 | 2016-08-23 | A kind of detection means for being capable of monitor in real time iron core grounding current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206057469U true CN206057469U (en) | 2017-03-29 |
Family
ID=58384200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620924228.4U Expired - Fee Related CN206057469U (en) | 2016-08-23 | 2016-08-23 | A kind of detection means for being capable of monitor in real time iron core grounding current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206057469U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119315A (en) * | 2017-06-23 | 2019-01-01 | 北京中科信电子装备有限公司 | A kind of ion implantation apparatus beam homogeneity regulating device |
| CN110601361A (en) * | 2019-09-11 | 2019-12-20 | 广东电网有限责任公司 | Grounding current on-line monitoring terminal |
| CN111735851A (en) * | 2020-07-21 | 2020-10-02 | 国网山东省电力公司潍坊市寒亭区供电公司 | Cable insulation layer on-line monitoring device and monitoring method thereof |
-
2016
- 2016-08-23 CN CN201620924228.4U patent/CN206057469U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109119315A (en) * | 2017-06-23 | 2019-01-01 | 北京中科信电子装备有限公司 | A kind of ion implantation apparatus beam homogeneity regulating device |
| CN110601361A (en) * | 2019-09-11 | 2019-12-20 | 广东电网有限责任公司 | Grounding current on-line monitoring terminal |
| CN111735851A (en) * | 2020-07-21 | 2020-10-02 | 国网山东省电力公司潍坊市寒亭区供电公司 | Cable insulation layer on-line monitoring device and monitoring method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20180823 |