CN207924017U - A kind of high-voltage isulation on-Line Monitor Device - Google Patents
A kind of high-voltage isulation on-Line Monitor Device Download PDFInfo
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- CN207924017U CN207924017U CN201820426058.6U CN201820426058U CN207924017U CN 207924017 U CN207924017 U CN 207924017U CN 201820426058 U CN201820426058 U CN 201820426058U CN 207924017 U CN207924017 U CN 207924017U
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Abstract
A kind of high-voltage isulation on-Line Monitor Device, it is related to high-voltage electric power system technical applications, and in particular to a kind of high-voltage isulation on-Line Monitor Device.It includes central control unit, Communication processor, inspection control unit, output unit, short message receiving-transmitting unit, auxiliary contact detection unit, display control unit, data processing unit, constant pressure source, central control unit is connected with Communication processor, Temperature Humidity Sensor, short message receiving-transmitting unit, data processing unit, display control unit, auxiliary contact detection unit, inspection control unit respectively, Communication processor accesses output unit, Communication processor is connected by sampler with inspection control unit, and constant pressure source accesses inspection control unit.After adopting the above technical scheme, the utility model has the beneficial effect that：It reduces cost of labor, and the insulation performance of energy real time on-line monitoring high-pressure system accomplishes to give warning in advance, reduces the workload of personnel, while can also save maintenance cost to insulation fault.
Description
Technical field
The utility model is related to high-voltage electric power system technical applications, and in particular to a kind of high-voltage isulation on-line monitoring dress
It sets.
Background technology
Electric power is the basis of national economy, is important pillar industry, it has with the prosperity of country and the Ankang of the people
Close relationship, therefore, electric system must be safe and reliable.
Increasing with the scale of electric system, structure becomes increasingly complex, and failure generates unavoidably, and in entire electricity
It in power production process, occurs most frequently, the failure of dangerous most serious is short trouble, i.e. system insulation decline, short trouble generation
The reason of have insulation of electrical installation material aging or a mechanical damage, lightning stroke causes overvoltage, natural calamity cause shaft tower fall down to the ground or
Broken string, birds and beasts bridging conducting wire cause short circuit, operations staff's maloperation etc.；For high-pressure system, these small failures, having can
It can cause catastrophic consequence, with gently then causing unplanned property large-area power-cuts（It can restore in short time）, heavy then can cause
The generation of the severe and great casualties such as explosion, fire（In short time, it is difficult to restore）, can also huge shadow be caused to the operation of entire power grid
It rings.
Electric system at present is exactly planned interruption maintenance to the precautionary measures of such failure, i.e., planned piecemeal stops
Electricity is used in combination megger to comment the insulation performance of circuit then by each circuit, equipment in artificial method inspection system
Estimate, the drawbacks of this measure is also apparent from：1, economic loss caused by having a power failure；2, the heavy workload of personnel；3, real-time and accurate
Property is poor；4, this maintenance is to slowly insulation decline has certain effect caused by aging circuit, to exhausted caused by the other reasons of prevention
Edge declines helpless；5, cost of labor is larger；6, hand inspection is it is not possible that exhaustive etc..
Invention content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of high-voltage isulation on-line monitoring is provided
Device, it reduces cost of labor, and the insulation performance of energy real time on-line monitoring high-pressure system accomplishes to give warning in advance to insulation fault,
The workload of reduction personnel, while can also save maintenance cost.
To achieve the above object, the utility model is using following technical scheme：
A kind of high-voltage isulation on-Line Monitor Device, it is characterised in that：It includes central control unit, communication unit, inspection
Control unit, output unit, auxiliary contact detection unit, display control unit and data processing unit, central control unit
Respectively with communication unit, Temperature Humidity Sensor, data processing unit, display control unit, auxiliary contact detection unit, inspection control
Unit processed is connected, and the output unit is connect by the communication unit with the central processing unit；The inspection control
Unit has multiple inspection line input mouths；The sampler is connect with the inspection control unit, and the center control is single
Member connect the sampled data obtained for acquiring the sampler by the communication unit with sampler.
Further include a constant pressure source, the constant pressure source is connect with the inspection control unit.
It further include short message receiving-transmitting unit.
The inspection line input mouth of the inspection control unit is eight.
The inspection control unit connects eight different circuits.Inspection control unit connects eight different circuits,
Under the control of central control unit, inspection control unit carries out inspection to eight circuits of access.
The operation principle of the utility model：When measuring high-voltage power system insulation resistance, it is straight that constant pressure source generates a constant pressure
Signal is flowed, is added to after processing in circuit-under-test system, it is specially treated in the current signal of return, direct current signal is obtained,
Sampled device processing is converted into corresponding resistance value, then after A/D is converted, is obtained by Communication processor by central control unit
Access evidence, and make corresponding actions after handling data；It is online by installing when measuring high-voltage electric power system leakage current
The magnet ring of road is read the leakage current input terminal of leakage current input sample device after A/D is converted by central control unit
And do respective handling.
After adopting the above technical scheme, the utility model has the beneficial effect that：It reduces cost of labor, can real time on-line monitoring
The insulation performance of high-pressure system accomplishes to give warning in advance to insulation fault, reduces the workload of personnel, at the same also can save maintenance at
This.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Specific implementation mode
Shown in Fig. 1, a kind of high-voltage isulation on-Line Monitor Device of the utility model, including central control unit, communication
Processor, inspection control unit, output unit, short message receiving-transmitting unit, auxiliary contact detection unit, display control unit, data
Processing unit, constant pressure source, central control unit respectively at Communication processor, Temperature Humidity Sensor, short message receiving-transmitting unit, data
Reason unit, display control unit, auxiliary contact detection unit, inspection control unit are connected, and Communication processor access output is single
Member, Communication processor are connected by sampler with inspection control unit, and constant pressure source accesses inspection control unit.
Inspection control unit connects eight different circuits.Inspection control unit connects eight different circuits, in center
Under the control of control unit, inspection control unit carries out inspection to eight circuits of access.
The function of each module is as follows in this product：
1, central processing unit：It is mainly responsible for processing data and controls the co-ordination of following each unit, Communication processor,
Temperature Humidity Sensor, short message receiving-transmitting unit, output unit, data processing unit, display control unit, auxiliary contact detection are single
Member, inspection control unit etc.；
2, inspection control unit：Under the control of central control unit, 8 route roads of access are carried out following inspection；
3, auxiliary contact detection unit：Every circuit splitting or integrating lock state is detected, and testing result is incoming central
Control unit, if certain circuit is in gate-dividing state, central control unit will stop output order, inspection control unit to this
Circuit carries out the inspection of leakage current, while panel circuit " Insulation monitoring " button is arranged and is in permission state, can be to the line
Road insulation carries out artificial selection detection；
4, display control unit：The related data chart etc. that detection is shown in LED screen is in alarm condition in system
Under, line map corresponding line is alternately flickered red, white, and corresponding data will also be shown with The Scarlet Letter；
5, data processing unit：The data of acquisition are judged, are stored, and inquiry, export function are provided；
6, short message receiving-transmitting unit：Related data information is sent to specified mobile phone；
7, Temperature Humidity Sensor：It is responsible for environment epidemic disaster data inputting central control unit；
8, communication unit：By specific communications protocol, the input of data and the output of data are completed；
9, output unit：For outside access, correct response is made, required data are provided in a particular format；
10, sampler：After mainly handling the analog quantity premenstruum (premenstrua) of input, input quantity is digitized by A/D
Processing；
11, constant pressure source：High-accuracy direct current constant voltage signal is provided；
The operation principle of the utility model：When measuring high-voltage power system insulation resistance, it is straight that constant pressure source generates a constant pressure
Signal is flowed, is added to after processing in circuit-under-test system, it is specially treated in the current signal of return, direct current signal is obtained,
Sampled device processing is converted into corresponding resistance value, then after A/D is converted, is obtained by Communication processor by central control unit
Access evidence, and make corresponding actions after handling data（Alarm, transmission short message etc.）；Measuring high-voltage electric power system leakage
When electric current, by installing magnet ring on the line by the leakage current input terminal of leakage current input sample device, after A/D is converted,
It is read by central control unit and does respective handling.
After adopting the above technical scheme, the utility model has the beneficial effect that：It reduces cost of labor, can real time on-line monitoring
The insulation performance of high-pressure system accomplishes to give warning in advance to insulation fault, reduces the workload of personnel, at the same also can save maintenance at
This.
Claims (4)
1. a kind of high-voltage isulation on-Line Monitor Device, it is characterised in that：It includes central control unit, communication unit, inspection control
Unit, output unit, auxiliary contact detection unit, display control unit and data processing unit processed, central control unit point
It is not controlled with communication unit, Temperature Humidity Sensor, data processing unit, display control unit, auxiliary contact detection unit, inspection
Unit is connected, and the output unit is connect by the communication unit with the central processing unit；The inspection control is single
Member has multiple inspection line input mouths；The sampler is connect with the inspection control unit, the central control unit
The sampled data obtained for acquiring the sampler is connect with sampler by the communication unit.
2. a kind of high-voltage isulation on-Line Monitor Device according to claim 1, it is characterised in that：Further include a constant pressure source,
The constant pressure source is connect with the inspection control unit.
3. a kind of high-voltage isulation on-Line Monitor Device according to claim 1, it is characterised in that：It further include short message receiving-transmitting list
Member.
4. a kind of high-voltage isulation on-Line Monitor Device according to claim 1, it is characterised in that：The inspection control unit
Inspection line input mouth be eight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426058.6U CN207924017U (en) | 2018-03-28 | 2018-03-28 | A kind of high-voltage isulation on-Line Monitor Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820426058.6U CN207924017U (en) | 2018-03-28 | 2018-03-28 | A kind of high-voltage isulation on-Line Monitor Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207924017U true CN207924017U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820426058.6U Active CN207924017U (en) | 2018-03-28 | 2018-03-28 | A kind of high-voltage isulation on-Line Monitor Device |
Country Status (1)
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| CN (1) | CN207924017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257644A (en) * | 2020-04-01 | 2020-06-09 | 南京传积兴自动化科技有限公司 | On-line monitoring circuit and monitoring system for ground insulation resistance of high-voltage power grid |
-
2018
- 2018-03-28 CN CN201820426058.6U patent/CN207924017U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111257644A (en) * | 2020-04-01 | 2020-06-09 | 南京传积兴自动化科技有限公司 | On-line monitoring circuit and monitoring system for ground insulation resistance of high-voltage power grid |
| CN111257644B (en) * | 2020-04-01 | 2021-05-14 | 南京传积兴自动化科技有限公司 | On-line monitoring circuit and monitoring system for ground insulation resistance of high-voltage power grid |
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