CN104078203A - Energy-saving and emission-reduction intelligent underground transformer - Google Patents
Energy-saving and emission-reduction intelligent underground transformer Download PDFInfo
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- CN104078203A CN104078203A CN201410250500.0A CN201410250500A CN104078203A CN 104078203 A CN104078203 A CN 104078203A CN 201410250500 A CN201410250500 A CN 201410250500A CN 104078203 A CN104078203 A CN 104078203A
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Abstract
The invention provides an energy-saving and emission-reduction intelligent underground transformer. The energy-saving and emission-reduction intelligent underground transformer comprises a shell, a side-mounted oil level gauge and a multifunctional transformer protector; the side-mounted oil level gauge and the multifunctional transformer protector both are mounted on the sidewalls of the shell. The output signals of the oil level gauge, an overvoltage alarm device, a gas alarm device and a temperature alarm device are transmitted to a network via a communication interface by use of a controller so that a central management computer connected in the network is capable of remotely monitoring each underground transformer, and as a result, transformer current differential protection, transformer differential current quick-break protection, transformer overcurrent backup protection, overvoltage protection, current measurement, voltage measurement, temperature measurement, power factor measurement and harmonic measurement are realized; in case of alarm events such as open circuit, short circuit, overload, overheat, undervoltage and power failure, corresponding processing is carried out locally and alarm information is transmitted to the central management computer by use of a network interface, and therefore, lots of underground transformer parameters can be monitored centrally.
Description
Technical field:
The present invention relates to electricity field, relate 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 consists of underground transformer, distribution cabinet and distribution line, and underground transformer safe and reliable determined the safe and reliable of power distribution network operation.Because underground transformer distribute to disperse, disturb large, between underground transformer communication more difficult, by conventional monitoring means, be difficult to realize the concentrated monitoring of a large amount of distribution transformer parameters.When underground transformer breaks down or suffers artificial destruction, when there is the situations such as overload operation, cannot be reflected in time Surveillance center, easily cause huge loss.
Summary of the invention:
The object of the present invention is to provide the intelligent underground transformer of a kind of energy-saving and emission-reduction, the described intelligent underground transformer of this energy-saving and emission-reduction will solve in prior art the technical problem that conventional monitoring means is difficult to realize the concentrated monitoring of a large amount of underground distribution transformer parameters.
The intelligent underground transformer of this energy-saving and emission-reduction of the present invention, 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 consists 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, by remote communication interface, be connected with a network, 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 invention 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 present invention and prior art are compared, and its effect is actively with obvious.The present invention 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, realized 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 occurring, in this locality, process accordingly, and send warning message to centre management computer by network interface, a large amount of underground distribution transformer parameters can be concentrated monitoring.
Accompanying drawing explanation:
Fig. 1 is the structural representation of the intelligent underground transformer of a kind of energy-saving and emission-reduction in the present invention.
Fig. 2 is the plan structure schematic diagram of the intelligent underground transformer of a kind of energy-saving and emission-reduction in the present invention.
Fig. 3 is high and low pressure oil level signal contact and the alarm circuit figure of the oil level indicator in the present invention.
Fig. 4 is signal and alarm principle schematic diagram in the multifunctional protection device in the present invention.
Fig. 5 is the intelligent underground transformer remote monitoring schematic diagram of one embodiment of the present of invention.
Embodiment:
Embodiment 1:
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4 and Fig. 5, the intelligent underground transformer of a kind of energy-saving and emission-reduction of the present invention, 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 consists 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 the center processor 80 of a LM3107 type, 16 way switch amount input circuit modules 82 of 81, one LM3212 types of analog quantity acquisition circuit module of 4 passages of 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 consists 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 a kind of energy-saving and emission-reduction as claimed in claim 1, is characterized in that: in described controller, by remote communication interface, be connected with a network, be connected with a centre management computer in described network.
3. the intelligent underground transformer of a kind 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 |
|---|---|---|---|
| CN201410250500.0A CN104078203A (en) | 2014-06-06 | 2014-06-06 | Energy-saving and emission-reduction intelligent underground transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410250500.0A CN104078203A (en) | 2014-06-06 | 2014-06-06 | Energy-saving and emission-reduction intelligent underground transformer |
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| Publication Number | Publication Date |
|---|---|
| CN104078203A true CN104078203A (en) | 2014-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410250500.0A Pending CN104078203A (en) | 2014-06-06 | 2014-06-06 | Energy-saving and emission-reduction intelligent underground transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110100291A (en) * | 2017-08-02 | 2019-08-06 | Ulvac韩国股份有限公司 | The preparation method of electromagnet assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268298Y (en) * | 1996-12-19 | 1997-11-19 | 沈阳变压器有限责任公司 | Fully-sealed oil-storage cabinet |
| CN2570936Y (en) * | 2002-09-16 | 2003-09-03 | 邵长青 | Transformer protector |
| CN2641779Y (en) * | 2003-08-06 | 2004-09-15 | 新疆特变电工股份有限公司变压器厂 | Seal type underground distribution transformer |
| CN2711869Y (en) * | 2004-05-08 | 2005-07-20 | 上海瑞奇电气设备有限公司 | All closed buried type transformer |
| CN203406139U (en) * | 2013-06-20 | 2014-01-22 | 常州特种变压器有限公司 | Oil-immersed energy-saving transformer with energy efficiency ratio one |
| CN203931727U (en) * | 2014-06-06 | 2014-11-05 | 上海瑞奇电气设备股份有限公司 | The intelligent underground transformer of energy-saving and emission-reduction |
-
2014
- 2014-06-06 CN CN201410250500.0A patent/CN104078203A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2268298Y (en) * | 1996-12-19 | 1997-11-19 | 沈阳变压器有限责任公司 | Fully-sealed oil-storage cabinet |
| CN2570936Y (en) * | 2002-09-16 | 2003-09-03 | 邵长青 | Transformer protector |
| CN2641779Y (en) * | 2003-08-06 | 2004-09-15 | 新疆特变电工股份有限公司变压器厂 | Seal type underground distribution transformer |
| CN2711869Y (en) * | 2004-05-08 | 2005-07-20 | 上海瑞奇电气设备有限公司 | All closed buried type transformer |
| CN203406139U (en) * | 2013-06-20 | 2014-01-22 | 常州特种变压器有限公司 | Oil-immersed energy-saving transformer with energy efficiency ratio one |
| CN203931727U (en) * | 2014-06-06 | 2014-11-05 | 上海瑞奇电气设备股份有限公司 | The intelligent underground transformer of energy-saving and emission-reduction |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110100291A (en) * | 2017-08-02 | 2019-08-06 | Ulvac韩国股份有限公司 | The preparation method of electromagnet assembly |
| CN110100291B (en) * | 2017-08-02 | 2022-08-30 | Ulvac韩国股份有限公司 | Preparation method of electromagnet assembly |
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Application publication date: 20141001 |