CN203931727U - The intelligent underground transformer of energy-saving and emission-reduction - Google Patents
The intelligent underground transformer of energy-saving and emission-reduction Download PDFInfo
- Publication number
- CN203931727U CN203931727U CN201420301606.4U CN201420301606U CN203931727U CN 203931727 U CN203931727 U CN 203931727U CN 201420301606 U CN201420301606 U CN 201420301606U CN 203931727 U CN203931727 U CN 203931727U
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- Prior art keywords
- transformer
- oil level
- level indicator
- pressure winding
- low
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- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 238000004804 winding Methods 0.000 claims description 24
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 230000007306 turnover Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Protection Of Transformers (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The intelligent underground transformer of a kind of energy-saving and emission-reduction, comprises shell, side-mounted oil level indicator and transformer multifunctional protective device, and side-mounted oil level indicator, transformer multifunctional protective device are installed in side wall of outer shell.The utility model utilizes controller by oil level indicator, overpressure alarm device, the output signal of gas warning system and temperature alarming device is delivered in network by communication interface, the centre management computer that makes to be connected in network can carry out remote monitoring to each underground transformer, realize transformer current differential protection, the poor stream fast tripping protection of transformer, the backup protection of transformer overcurrent, overvoltage protection, current measurement, voltage measurement, temperature survey, power-factor measurement, harmonic measure, meet alert event as opened circuit, short circuit, overload, overheated, under-voltage, have a power failure and wait while generation, carry out respective handling in this locality and send warning message to centre management computer by network interface, a large amount of underground distribution transformer parameters can be concentrated monitoring.
Description
Technical field:
The utility model relates to electricity field, relates in particular to power transmission and distribution technology, particularly distribution transformer, the specifically intelligent underground transformer of a kind of energy-saving and emission-reduction.
Background technology:
Underground transformer running environment condition is poor, generally lays in melt pit and wall hole, and along with the increase day by day of power consumption, the security reliability of distribution becomes more and more important.Underground distribution network is made up of underground transformer, distribution cabinet and distribution line, and underground transformer safe and reliable determined the safe and reliable of power distribution network operation.Disperse because underground transformer distributes, disturb large, between underground transformer communication more difficult, be difficult to realize the concentrated monitoring of a large amount of distribution transformer parameters by conventional monitoring means.In the time that underground transformer breaks down or suffers artificial destruction, for example, while there is the situations such as overload operation, cannot be reflected in time Surveillance center, easily cause huge loss.
Utility model content:
The purpose of this utility model is to provide a kind of energy-saving and emission-reduction intelligent underground transformer, and the described intelligent underground transformer of this energy-saving and emission-reduction will solve the technical problem that monitoring means conventional in prior art is difficult to the concentrated monitoring that realizes a large amount of underground distribution transformer parameters.
The intelligent underground transformer of this energy-saving and emission-reduction of the present utility model, comprise shell, iron core, high pressure winding, low pressure winding, high-voltage connection terminal, low-voltage wiring terminal, side-mounted oil level indicator and transformer multifunctional protective device, described high-voltage connection terminal and low-voltage wiring terminal are arranged on shell, described high pressure winding, low pressure winding and iron core setting are in the enclosure, described high pressure winding and low pressure winding are arranged on iron core, described high-voltage connection terminal is connected with high pressure winding, low-voltage wiring terminal is connected with low pressure winding, in described shell, be filled with insulated heat-conducting medium, described side-mounted oil level indicator is arranged on side wall of outer shell, described transformer multifunctional protective device is arranged on side wall of outer shell, wherein, described side-mounted oil level indicator is made up of magnetic turnover panel oil level indicator, the signal output apparatus of high warning switch and the signal output apparatus of low oil level alarm switch are installed on described magnetic turnover panel oil level indicator, in described transformer multifunctional protective device, be provided with gas warning system, overpressure alarm device and temperature alarming device, gas warning system is connected with gas sensor, overpressure alarm device is connected with pressure inductor, temperature alarming device is connected with temperature inductor, the signal output apparatus of high warning switch, the signal output apparatus of low oil level alarm switch, gas warning system, overpressure alarm device and temperature alarming device are all connected to a controller by holding wire, in described controller, be provided with remote communication interface.
Further, in described controller, be connected with a network by remote communication interface, in described network, be connected with a centre management computer.
Further, described controller includes the analog quantity acquisition circuit module of a center processor, 4 passages, 16 way switch amount input circuit modules, 8 way switch amount output circuit module and a communication circuit module.
Operation principle of the present utility model is: controller is measured in real time to underground transformer, and the target of measurement comprises the overload situations of electric current, voltage, and the operational factor of equipment is detected online, mainly comprises the operating state of temperature, pressure.Then by communication module transfer of data to the centre management computer of Control Room, complete the monitoring function of whole system.Meanwhile, controller, to the data that collect being processed accordingly in this locality, is made various safeguard measures as required.
The utility model and prior art are compared, and its effect is actively with obvious.The utility model arranges magnetic turnover panel oil level indicator on underground transformer, overpressure alarm device, gas warning system and temperature alarming device, and utilize a controller by magnetic turnover panel oil level indicator, overpressure alarm device, the output signal of gas warning system and temperature alarming device is delivered in network by remote communication interface, the centre management computer that makes to be connected in network can carry out remote monitoring to each underground transformer, realize transformer current differential protection, the poor stream fast tripping protection of transformer, the backup protection of transformer overcurrent, overvoltage protection, current measurement, voltage measurement, temperature survey, power-factor measurement, harmonic measure, meet alert event as opened circuit, short circuit, overload, overheated, under-voltage, have a power failure and wait while generation, process accordingly in this locality, and send warning message to centre management computer by network interface, a large amount of underground distribution transformer parameters can be concentrated monitoring.
Brief description of the drawings:
Fig. 1 is the structural representation of the intelligent underground transformer of energy-saving and emission-reduction in the utility model.
Fig. 2 is the plan structure schematic diagram of the intelligent underground transformer of energy-saving and emission-reduction in the utility model.
Fig. 3 is high and low pressure oil level signal contact and the alarm circuit figure of the oil level indicator in the utility model.
Fig. 4 is signal and alarm principle schematic diagram in the multifunctional protection device in the utility model.
Fig. 5 is the intelligent underground transformer remote monitoring schematic diagram of an embodiment of the present utility model.
Embodiment:
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, the intelligent underground transformer of energy-saving and emission-reduction of the present utility model, comprise shell 1, iron core (not shown), high pressure winding (not shown), low pressure winding (not shown), high-voltage connection terminal 2, low-voltage wiring terminal 3, side-mounted oil level indicator 4 and transformer multifunctional protective device 5, described high-voltage connection terminal 2 and low-voltage wiring terminal 3 are arranged on shell 1, described high pressure winding, low pressure winding and iron core are arranged in shell 1, described high pressure winding and low pressure winding are arranged on iron core, described high-voltage connection terminal 2 is connected with high pressure winding, low-voltage wiring terminal 3 is connected with low pressure winding, in described shell 1, be filled with insulated heat-conducting medium, described side-mounted oil level indicator 4 is arranged on shell 1 sidewall, described transformer multifunctional protective device 5 is arranged on shell 1 sidewall, wherein, described side-mounted oil level indicator 4 is made up of magnetic turnover panel oil level indicator, the signal output apparatus of high warning switch and the signal output apparatus of low oil level alarm switch are installed on described magnetic turnover panel oil level indicator, in described transformer multifunctional protective device 5, be provided with gas warning system, overpressure alarm device and temperature alarming device, gas warning system is connected with gas sensor, overpressure alarm device is connected with pressure inductor, temperature alarming device is connected with temperature inductor, the signal output apparatus of high warning switch, the signal output apparatus of low oil level alarm switch, gas warning system, overpressure alarm device and temperature alarming device are all connected to a controller by holding wire, in described controller, be provided with remote communication interface.
As shown in Figure 3, magnetic turnover panel oil level indicator comprises a upper limit switch Z1 and a limit switch Z2, upper limit switch Z1 is connected with an auxiliary relay J1, upper limit switch Z1 is connected with power supply with auxiliary relay J1, limit switch Z2 is connected with an auxiliary relay J2, and limit switch Z2 is connected with power supply with auxiliary relay J2.
As shown in Figure 4, transformer multifunctional protective device 5 is connected with line bank 6, is provided with temperature inductor binding post 51, temperature inductor binding post 52, pressure inductor binding post 53 and gas sensor binding post 54 in described line bank 6.
As shown in Figure 5, described controller 8 is connected with a network by remote communication interface, is connected with a centre management computer 7 in described network.
Further, described controller 8 includes 16 way switch amount input circuit modules 82 of 81, one LM3212 types of analog quantity acquisition circuit module of 4 passages of the center processor 80 of a LM3107 type, a LM3310 type, 8 way switch amount output circuit modules 83 of a LM3222 type and the communication circuit module 84 of a LM3401 type.
The operation principle of the present embodiment is: controller is measured in real time to underground transformer, and the target of measurement comprises the overload situations of electric current, voltage, and the operational factor of equipment is detected online, mainly comprises the operating state of temperature, pressure.Then by communication module transfer of data to the centre management computer 7 of Control Room, complete the monitoring function of whole system.Meanwhile, controller, to the data that collect being processed accordingly in this locality, is made various safeguard measures as required.
Claims (3)
1. the intelligent underground transformer of energy-saving and emission-reduction, comprise shell, iron core, high pressure winding, low pressure winding, high-voltage connection terminal, low-voltage wiring terminal, side-mounted oil level indicator and transformer multifunctional protective device, described high-voltage connection terminal and low-voltage wiring terminal are arranged on shell, described high pressure winding, low pressure winding and iron core setting are in the enclosure, described high pressure winding and low pressure winding are arranged on iron core, described high-voltage connection terminal is connected with high pressure winding, low-voltage wiring terminal is connected with low pressure winding, in described shell, be filled with insulated heat-conducting medium, described side-mounted oil level indicator is arranged on side wall of outer shell, described transformer multifunctional protective device is arranged on side wall of outer shell, it is characterized in that: described side-mounted oil level indicator is made up of magnetic turnover panel oil level indicator, the signal output apparatus of high warning switch and the signal output apparatus of low oil level alarm switch are installed on described magnetic turnover panel oil level indicator, in described transformer multifunctional protective device, be provided with gas warning system, overpressure alarm device and temperature alarming device, gas warning system is connected with gas sensor, overpressure alarm device is connected with pressure inductor, temperature alarming device is connected with temperature inductor, the signal output apparatus of high warning switch, the signal output apparatus of low oil level alarm switch, gas warning system, overpressure alarm device and temperature alarming device are all connected to a controller by holding wire, in described controller, be provided with remote communication interface.
2. the intelligent underground transformer of energy-saving and emission-reduction as claimed in claim 1, is characterized in that: in described controller, be connected with a network by remote communication interface, be connected with a centre management computer in described network.
3. the intelligent underground transformer of energy-saving and emission-reduction as claimed in claim 1, is characterized in that: described controller includes the analog quantity acquisition circuit module of a center processor, 4 passages, 16 way switch amount input circuit modules, 8 way switch amount output circuit module and a communication circuit module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301606.4U CN203931727U (en) | 2014-06-06 | 2014-06-06 | The intelligent underground transformer of energy-saving and emission-reduction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420301606.4U CN203931727U (en) | 2014-06-06 | 2014-06-06 | The intelligent underground transformer of energy-saving and emission-reduction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931727U true CN203931727U (en) | 2014-11-05 |
Family
ID=51827500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420301606.4U Expired - Fee Related CN203931727U (en) | 2014-06-06 | 2014-06-06 | The intelligent underground transformer of energy-saving and emission-reduction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078203A (en) * | 2014-06-06 | 2014-10-01 | 上海瑞奇电气设备股份有限公司 | Energy-saving and emission-reduction intelligent underground transformer |
-
2014
- 2014-06-06 CN CN201420301606.4U patent/CN203931727U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078203A (en) * | 2014-06-06 | 2014-10-01 | 上海瑞奇电气设备股份有限公司 | Energy-saving and emission-reduction intelligent underground transformer |
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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: 20141105 |
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| CF01 | Termination of patent right due to non-payment of annual fee |