CN202119821U - Recognizing device of polarity electrification of DC transmission circuit - Google Patents
Recognizing device of polarity electrification of DC transmission circuit Download PDFInfo
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- CN202119821U CN202119821U CN2011201846368U CN201120184636U CN202119821U CN 202119821 U CN202119821 U CN 202119821U CN 2011201846368 U CN2011201846368 U CN 2011201846368U CN 201120184636 U CN201120184636 U CN 201120184636U CN 202119821 U CN202119821 U CN 202119821U
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Abstract
The utility model provides a recognizing device of polarity electrification of a DC transmission circuit. The recognizing device is mainly composed of an onsite collecting module of electric field information, a GSM/GPRS communication module and a background service program module. The onsite collecting module of electric field information mainly includes an electric field sensor based on inductive charges of a conductor in the electric field. The electric field sensor collects the size and the direction of the electric field and transmits to an MCU microprocessor. The MCU microprocessor transmits the data to the connected GSM/GPRS communication module. The GSM/GPRS communication module transmits the data back to a central platform through a gateway by a GMS/GPRS network. The central platform receives the collected data, obtains information such as a voltage value on a power transmission line, that whether the polarity is inversed and the like through arithmetical operation, and thus forms the background service program module. The recognizing device of polarity electrification of the DC transmission circuit has advantages of simple structure, and convenient and reliable usage. By using the recognizing device of polarity electrification of the DC transmission circuit in the utility model, the side polarity and the voltage changing condition of an all-line bipolar power transmission line can be monitored. Therefore, the recognizing device of polarity electrification of the DC transmission circuit in the utility model has great meaning in knowing the running condition of power transmission lines.
Description
Technical field
The utility model relates to the charged recognition device of a kind of DC power transmission line polarity, belong to the electrical engineering field.
Background technology
High voltage dc transmission technology send aspect such as electricity to have special advantages at remote large capacity transmission, the asynchronous networking of electric system and subsea cable; Replenish as the strong of ac transmission; D.C. high voltage transmission has worldwide obtained widely using, and in the enforcement of the energy of China 21 century " transferring electricity from the west to the east, north and south supply mutually, national network " and power industry construction basic strategy, has wide development and application prospect especially.Therefore, monitoring is the situation of change of bipolar transmission line of electricity side pole property, voltage and current completely, for the ruuning situation of understanding transmission line of electricity significance is arranged.
The utility model content
The purpose of the utility model is to overcome the deficiency that prior art exists; And a kind of situation of change that can monitor bipolar transmission line of electricity side pole property in all fronts and voltage is provided, the charged recognition device of DC power transmission line polarity of significance is arranged for the ruuning situation of understanding transmission line of electricity.
In order to solve the problems of the technologies described above; The utility model is through the measurement of electric field detector to synthetic field direction around the DC power transmission line; The electric field intensity that obtains according to electric field strength value and simulation calculation and the relation of wire voltage, monitoring be the situation of change of bipolar transmission line of electricity side pole property and voltage completely; Specifically: the utility model mainly is made up of electric field information collection in worksite module, GSM/GPRS communication module and backstage service routine module; Said electric field information collection in worksite module mainly constitutes based on conductor electric-field sensor of induced charge in electric field by one; The electric field level of this electric-field sensor collection position and direction; And pass to the MCU microprocessor; This MCU microprocessor is sent to continuous GSM/GPRS communication module with data, and said GSM/GPRS communication module sends back central platform through gateway with data through the GMS/GPRS network; Described central platform (10) receives the data of gathering.
Described electric-field sensor is based on the principle of conductor induced charge in electric field, and promptly the guarded electrode of electric-field sensor and positive and negative induction electrode are the polycrystalline silicon material of conduction, when guarded electrode vibrates to the right; Positive induction electrode can partly be exposed among the external electric field, and the induced charge on the positive induction electrode can increase, and guarded electrode can block the part area of negative induction electrode simultaneously; Induced charge on the negative induction electrode can reduce, and when the guarded electrode periodic vibration, it is identical to produce size on the positive and negative induction electrode; Induction current in the opposite direction; Utilize differential detection circuit, just can detect faradic size, thereby realize the detection of external electric field.
Described electric field information collection in worksite module links to each other with chargeable lithium battery with solar panel through battery management unit.
Said electric-field sensor be installed in lead to the tower leg line perpendicular to the about 1m in tower leg place below place.
The utility model test finds that this electric-field sensor can be realized the measurement of electrostatic field size and direction, power frequency electric field and atmospheric electric field.
The described electric field information collection in worksite of the utility model module was whenever gathered once on-the-spot electric field information at a distance from 1 hour; And sending Information Monitoring to the backstage service routine through the GPRS channel, whether backstage service routine module mainly waits the electric field information that receives magnitude of voltage and the reversal of poles that draws on the transmission line of electricity that performs mathematical calculations for information.
Through the two dimensional electric field sensor of equipped with non-contact on electric power line pole tower, can measure the size and Orientation of the electric field on direction of this point; Shaft tower to electric-field sensor is installed carries out modeling and simulating; Use the electric field intensity of that direction of finite element analysis method calculating sensor place; The linear relationship of voltage by this linear relationship, can draw the magnitude of voltage on the transmission line of electricity on electric field intensity of changing the time on the acquisition shaft tower and the lead.
It has simple in structure, and is easy to use, reliable, can monitor the situation of change of bipolar transmission line of electricity side pole property in all fronts and voltage, for the ruuning situation of understanding transmission line of electricity characteristics such as significance is arranged.
Description of drawings
Fig. 1 is the overall system pie graph of the utility model.
Fig. 2 is the parallel vibration type electric-field sensor fundamental diagram of the utility model.
Fig. 3 is the interlacing vibration type electric-field sensor fundamental diagram of the utility model.
Fig. 4 is the installation site figure of the electric-field sensor of the utility model.
Embodiment
To combine accompanying drawing that the utility model is done detailed introduction below: the utility model mainly is made up of electric field information collection in worksite module 7, GSM/GPRS communication module 6 and backstage service routine module; Said electric field information collection in worksite module 7 mainly is made up of an electric-field sensor 1 based on conductor induced charge in electric field; The electric field level and the direction of this electric-field sensor 1 collection position; And pass to MCU microprocessor 2; This MCU microprocessor 2 is sent to continuous GSM/GPRS communication module 6 with data; Said GSM/GPRS communication module 6 sends back central platform 10 through gateway 9 with data through GMS/GPRS network 8, and described central platform (10) receives the data of gathering.
The described electric-field sensor of the utility model is based on the principle of conductor induced charge in electric field, and promptly the guarded electrode of electric-field sensor and positive and negative induction electrode are the polycrystalline silicon material of conduction, when guarded electrode vibrates to the right; Positive induction electrode can partly be exposed among the external electric field; Induced charge on the positive induction electrode can increase, and guarded electrode can block the part area of negative induction electrode simultaneously, and the induced charge on the negative induction electrode can reduce; When the guarded electrode periodic vibration; Will produce identical, the in the opposite direction induction current of size on the positive and negative induction electrode, utilize differential detection circuit; Just can detect faradic size, thereby realize the detection of external electric field.
Described electric field information collection in worksite module 7 adopts solar panel 5 and chargeable lithium battery 4 power supplies through battery management unit 3.
Said electric-field sensor 1 be installed in lead to the tower leg line perpendicular to the about 1m in the A of tower leg place below place, see shown in Figure 3.
Present embodiment is used for the charged identification of DC power transmission line polarity and may further comprise the steps: the electric field level and the direction of electric-field sensor 1 each hour collection position; And pass to MCU microprocessor 2; MCU microprocessor 2 is sent to GSM/GPRS communication module 6 with data, and GSM/GPRS communication module 6 sends back central platform 10 through gateway 9 with data through GMS/GPRS network 8.Central platform 10 receives the data of gathering, and whether magnitude of voltage and the reversal of poles that draws on the transmission line of electricity that performs mathematical calculations waits information.Positive-negative polarity judgment means 7 adopts solar panel 5 and chargeable lithium battery 4 power supplies through battery management unit 3.Through verification experimental verification can this device can measuring DC voltage.
Claims (3)
1. charged recognition device of DC power transmission line polarity; It is characterized in that it mainly is made up of electric field information collection in worksite module, GSM/GPRS communication module and backstage service routine module; Said electric field information collection in worksite module (7) mainly is made up of an electric-field sensor based on conductor induced charge in electric field (1); The electric field level and the direction of this electric-field sensor (1) collection position; And pass to MCU microprocessor (2); This MCU microprocessor (2) is sent to continuous GSM/GPRS communication module (6) with data, and said GSM/GPRS communication module (6) sends back central platform (10) through gateway (9) with data through GMS/GPRS network (8); Described central platform (10) receives the data of gathering.
2. the charged recognition device of DC power transmission line polarity according to claim 1 is characterized in that described electric field information collection in worksite module (7) links to each other with chargeable lithium battery (4) with solar panel (5) through battery management unit (3).
3. the charged recognition device of DC power transmission line polarity according to claim 1, it is characterized in that said electric-field sensor be installed in lead to the tower leg line perpendicular to about 1m place, tower leg place (A) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201846368U CN202119821U (en) | 2011-04-19 | 2011-06-02 | Recognizing device of polarity electrification of DC transmission circuit |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110098084 | 2011-04-19 | ||
| CN201110098084.3 | 2011-04-19 | ||
| CN2011201846368U CN202119821U (en) | 2011-04-19 | 2011-06-02 | Recognizing device of polarity electrification of DC transmission circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202119821U true CN202119821U (en) | 2012-01-18 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201846368U Expired - Fee Related CN202119821U (en) | 2011-04-19 | 2011-06-02 | Recognizing device of polarity electrification of DC transmission circuit |
| CN2011101476581A Pending CN102323470A (en) | 2011-04-19 | 2011-06-02 | The charged recognition device of a kind of DC power transmission line polarity |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101476581A Pending CN102323470A (en) | 2011-04-19 | 2011-06-02 | The charged recognition device of a kind of DC power transmission line polarity |
Country Status (1)
| Country | Link |
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| CN (2) | CN202119821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323470A (en) * | 2011-04-19 | 2012-01-18 | 嘉兴电力局 | The charged recognition device of a kind of DC power transmission line polarity |
| CN105699742A (en) * | 2016-01-25 | 2016-06-22 | 中国电力科学研究院 | +/-800kV DC power transmission line hot-line electrical inspection device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108871449A (en) * | 2018-07-13 | 2018-11-23 | 广东电网有限责任公司江门供电局 | A kind of transmission line online monitoring system with electric field monitoring |
| CN112305327B (en) * | 2020-09-25 | 2023-01-31 | 中国电力科学研究院有限公司 | Field grinding type airspace electric field sensor device and electric field measuring method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101459334B (en) * | 2007-12-14 | 2011-05-11 | 山东科汇电力自动化有限公司 | Electrical power system failure information obtaining method |
| CN101696990B (en) * | 2009-10-20 | 2011-06-29 | 重庆大学 | Method for testing electricity of ultrahigh-voltage transmission line based on electric field measurement and system thereof |
| CN202119821U (en) * | 2011-04-19 | 2012-01-18 | 嘉兴电力局 | Recognizing device of polarity electrification of DC transmission circuit |
-
2011
- 2011-06-02 CN CN2011201846368U patent/CN202119821U/en not_active Expired - Fee Related
- 2011-06-02 CN CN2011101476581A patent/CN102323470A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323470A (en) * | 2011-04-19 | 2012-01-18 | 嘉兴电力局 | The charged recognition device of a kind of DC power transmission line polarity |
| CN105699742A (en) * | 2016-01-25 | 2016-06-22 | 中国电力科学研究院 | +/-800kV DC power transmission line hot-line electrical inspection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102323470A (en) | 2012-01-18 |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120118 Termination date: 20200602 |