CN204242748U - New Oil-immersed Transformer - Google Patents
New Oil-immersed Transformer Download PDFInfo
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- CN204242748U CN204242748U CN201420571657.9U CN201420571657U CN204242748U CN 204242748 U CN204242748 U CN 204242748U CN 201420571657 U CN201420571657 U CN 201420571657U CN 204242748 U CN204242748 U CN 204242748U
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Abstract
Description
技术领域 technical field
本实用新型涉及一种变压器，具体是一种新型油浸式变压器。 The utility model relates to a transformer, in particular to a novel oil-immersed transformer.
背景技术 Background technique
变压器是利用电磁感应的原理改变交流电压的装置，分为干式变压器和油浸式变压器。现有的油浸式变压器使用的绝缘油中会有杂质，会对设备造成损坏，在使用的过程中，变压器会产生大量的热，绝缘油温度不断升高，同样会对设备造成损坏，从而影响设备的使用寿命。变压器在使用中可能会出现电流过载的现象，现有的变压器没有过载保护功能，会因电流过载击毁设备。现有的变压器缺少监测装置，当变压器出现故障时不能精确确定故障位置。 A transformer is a device that uses the principle of electromagnetic induction to change the AC voltage, and is divided into a dry-type transformer and an oil-immersed transformer. There are impurities in the insulating oil used in the existing oil-immersed transformers, which will cause damage to the equipment. During the use process, the transformer will generate a lot of heat, and the temperature of the insulating oil will continue to rise, which will also cause damage to the equipment. affect the service life of the equipment. The current overload of the transformer may occur during use. The existing transformer has no overload protection function, and the equipment will be destroyed due to the current overload. The existing transformer lacks a monitoring device, and the fault location cannot be accurately determined when the transformer fails.
实用新型内容 Utility model content
本实用新型的目的在于提供一种新型油浸式变压器，以解决上述背景技术中提出的问题。 The purpose of this utility model is to provide a new type of oil-immersed transformer to solve the problems raised in the above-mentioned background technology.
为实现上述目的，本实用新型提供如下技术方案： In order to achieve the above object, the utility model provides the following technical solutions:
一种新型油浸式变压器，包括油箱；所述油箱左侧设有净油器，油箱右侧设有散热器，油箱外壁上设有控制装置，油箱上端设有箱盖。油箱底部中间位置设有铁芯，铁芯外侧设有绕组。油箱内部上端设有油位指示器，油位指示器与控制装置无线连接。油箱上端设有箱盖，箱盖左端设有高压套管，高压套管右方设有低压套管，低压套管右方设有油温计，油温计与控制装置无线连接，油温计右方设有注油栓，注油栓位于箱盖中间位置。 A new oil-immersed transformer includes an oil tank; an oil purifier is arranged on the left side of the oil tank, a radiator is arranged on the right side of the oil tank, a control device is arranged on the outer wall of the oil tank, and a tank cover is arranged on the upper end of the oil tank. An iron core is arranged in the middle of the bottom of the fuel tank, and a winding is arranged outside the iron core. An oil level indicator is arranged at the upper end inside the fuel tank, and the oil level indicator is wirelessly connected with the control device. There is a tank cover on the upper end of the fuel tank, a high-voltage bushing on the left end of the tank cover, a low-voltage bushing on the right of the high-voltage bushing, and an oil temperature gauge on the right of the low-voltage bushing. The oil temperature gauge is connected to the control device wirelessly. There is an oil plug on the right, and the oil plug is located in the middle of the tank cover.
作为本实用新型进一步的方案：所述铁芯下端设有铁芯接地引出线。 As a further solution of the present invention: the lower end of the iron core is provided with an iron core grounding lead-out line.
作为本实用新型再进一步的方案：所述绕组上设有振动传感器，振动传感器与控制装置无线连接。 As a further solution of the utility model: a vibration sensor is provided on the winding, and the vibration sensor is wirelessly connected with the control device.
作为本实用新型再进一步的方案：所述油箱内部设有超声传感器，超声传感器为四个，分别位于油箱内部顶部左右两端和底部左右两端，超声传感器与控制装置无线连接。 As a further solution of the utility model: there are four ultrasonic sensors inside the fuel tank, which are respectively located at the left and right ends of the top and the left and right ends of the bottom of the fuel tank, and the ultrasonic sensors are wirelessly connected to the control device.
作为本实用新型再进一步的方案：所述高压套管上设有均压球。 As a further solution of the utility model: the high voltage bushing is provided with a pressure equalizing ball.
作为本实用新型再进一步的方案：箱盖右端设有单向阀，单向阀上设有压力传感器，压力传感器与控制装置无线连接。 As a further solution of the utility model: the right end of the box cover is provided with a check valve, the check valve is provided with a pressure sensor, and the pressure sensor is wirelessly connected with the control device.
与现有技术相比，本实用新型的有益效果是：本实用新型通过设置净油器，可以清除绝缘油中的杂质，改善运行中变压器的绝缘油特性，防止绝缘油老化。通过设置散热器，可以降低油箱内的温度，降低变压器的老化速度，延长设备的使用寿命。通过在铁芯下端设置铁芯接地引出线，当变压器出现电流过载时，可以将电流传输到大地中，防止因电流过载造成设备损坏。通过设置振动传感器，可以对振动信号进行监测，从而判别变压器过励磁、过电压和铁芯谐振等故障。通过设置超声传感器，当变压器发生局部放电现象时，可以对放电部位进行精确定位，从而确定变压器内部局部放电的位置。通过设置均压球，改善电场分布，避免造成局部场强过大损坏设备。通过设置油温计，可以监测绝缘油的温度，控制装置调节散热器的功率。通过设置单向阀和压力传感器，可以避免油箱内压力过大。本实用新型结构合理，提高了设备的稳定性，增加了设备的使用寿命，从而降低了生产成本。 Compared with the prior art, the beneficial effect of the utility model is: the utility model can remove impurities in the insulating oil by setting an oil purifier, improve the insulating oil characteristics of the transformer in operation, and prevent the insulating oil from aging. By setting the radiator, the temperature in the oil tank can be reduced, the aging speed of the transformer can be reduced, and the service life of the equipment can be extended. By setting the iron core grounding lead wire at the lower end of the iron core, when the transformer is overloaded with current, the current can be transmitted to the ground to prevent equipment damage caused by the current overload. By installing a vibration sensor, the vibration signal can be monitored to identify faults such as transformer over-excitation, over-voltage and iron core resonance. By setting the ultrasonic sensor, when the partial discharge phenomenon occurs in the transformer, the discharge site can be precisely located, so as to determine the position of the partial discharge inside the transformer. By setting the pressure equalizing ball, the electric field distribution is improved, and the damage to the equipment caused by excessive local field strength is avoided. By setting the oil temperature gauge, the temperature of the insulating oil can be monitored, and the control device adjusts the power of the radiator. By setting a check valve and a pressure sensor, excessive pressure in the fuel tank can be avoided. The utility model has a reasonable structure, improves the stability of the equipment, increases the service life of the equipment, and thus reduces the production cost.
附图说明 Description of drawings
图1为本实用新型的结构示意图。 Fig. 1 is the structural representation of the utility model.
图中：1-油箱，2-净油器，3-高压套管，4-均压球，5-低压套管，6-油温计，7-注油栓，8-油位指示器，9-压力传感器，10-单向阀，11-箱盖，12-散热器，13-超声传感器，14-排油栓，15-铁芯接地引出线，16-铁芯，17-绕组，18-振动传感器，19-控制装置。 In the figure: 1-oil tank, 2-oil purifier, 3-high pressure bushing, 4-pressure equalizing ball, 5-low pressure bushing, 6-oil temperature gauge, 7-oil plug, 8-oil level indicator, 9 -pressure sensor, 10-one-way valve, 11-box cover, 12-radiator, 13-ultrasonic sensor, 14-oil drain plug, 15-core grounding lead, 16-core, 17-winding, 18- Vibration sensor, 19 - control device.
具体实施方式 Detailed ways
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。 The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
请参阅图1，本实用新型实施例中，一种新型油浸式变压器，包括油箱1；所述油箱1左侧设有净油器2，油箱1右侧设有散热器12，油箱1外壁上设有控制装置19，油箱1上端设有箱盖11。油箱1底部中间位置设有铁芯16，铁芯16外侧设有绕组17，铁芯16下端设有铁芯接地引出线15；绕组17上设有振动传感器18，振动传感器18与控制装置19无线连接。油箱1内部上端设有油位指示器8，油位指示器8与控制装置19无线连接。油箱1内部设有超声传感器13，超声传感器13为四个，分别位于油箱1内部顶部左右两端和底部左右两端，超声传感器13与控制装置19无线连接。油箱1上端设有箱盖11，箱盖11左端设有高压套管3，高压套管3上设有均压球4，高压套管3右方设有低压套管5，低压套管5右方设有油温计6，油温计6与控制装置19无线连接，油温计6右方设有注油栓7，注油栓7位于箱盖11中间位置，箱盖11右端设有单向阀10，单向阀10上设有压力传感器9，压力传感器9与控制装置19无线连接。 Please refer to Fig. 1, in the utility model embodiment, a kind of novel oil-immersed transformer, comprises oil tank 1; Said oil tank 1 left side is provided with oil purifier 2, and oil tank 1 right side is provided with radiator 12, and oil tank 1 outer wall A control device 19 is provided on the top, and a tank cover 11 is provided at the upper end of the fuel tank 1 . An iron core 16 is arranged in the middle of the bottom of the fuel tank 1, a winding 17 is arranged outside the iron core 16, and an iron core grounding lead 15 is arranged at the lower end of the iron core 16; a vibration sensor 18 is arranged on the winding 17, and the vibration sensor 18 and the control device 19 are wireless connect. An oil level indicator 8 is provided at the upper end of the fuel tank 1, and the oil level indicator 8 is wirelessly connected with the control device 19. There are four ultrasonic sensors 13 inside the fuel tank 1, which are respectively located at the left and right ends of the top and the left and right ends of the bottom of the fuel tank 1. The ultrasonic sensors 13 are wirelessly connected with the control device 19. The upper end of the oil tank 1 is provided with a tank cover 11, the left end of the tank cover 11 is provided with a high-voltage bushing 3, the high-voltage bushing 3 is provided with a pressure equalizing ball 4, the right side of the high-voltage bushing 3 is provided with a low-pressure bushing 5, and the right side of the low-pressure bushing 5 An oil temperature gauge 6 is provided on the side, and the oil temperature gauge 6 is wirelessly connected with the control device 19. On the right side of the oil temperature gauge 6, there is an oil filling plug 7, which is located in the middle of the box cover 11, and a check valve is provided at the right end of the box cover 11. 10. The one-way valve 10 is provided with a pressure sensor 9, and the pressure sensor 9 is wirelessly connected with the control device 19.
本实用新型设有净油器2，可以清除绝缘油中的杂质，改善运行中变压器的绝缘油特性，防止绝缘油老化。 The utility model is provided with an oil purifier 2, which can remove impurities in the insulating oil, improve the insulating oil characteristics of the transformer in operation, and prevent the insulating oil from aging.
本实用新型设有散热器12，可以降低油箱1内的温度，降低变压器的老化速度，延长设备的使用寿命。 The utility model is provided with a radiator 12, which can reduce the temperature in the oil tank 1, reduce the aging speed of the transformer, and prolong the service life of the equipment.
本实用新型铁芯16下端设有铁芯接地引出线15，当变压器出现电流过载时，可以将电流传输到大地中，防止因电流过载造成设备损坏。 The lower end of the iron core 16 of the utility model is provided with an iron core grounding lead wire 15, and when the transformer is overloaded with current, the current can be transmitted to the ground to prevent equipment damage due to the current overload.
本实用新型绕组17上设有振动传感器18，振动传感器18与控制装置19无线连接，振动传感器18收集铁芯16的振动信号，将振动信号反馈到控制装置19，通过对振动信号进行监测，可以判别变压器过励磁、过电压和铁芯谐振等故障。 The winding 17 of the utility model is provided with a vibration sensor 18, and the vibration sensor 18 is wirelessly connected with the control device 19. The vibration sensor 18 collects the vibration signal of the iron core 16, and feeds back the vibration signal to the control device 19. By monitoring the vibration signal, it can Identify faults such as transformer over-excitation, over-voltage and core resonance.
本实用新型设有超声传感器13，超声传感器13为四个，分别位于油箱1内部顶部左右两端和底部左右两端，超声传感器13与控制装置19无线连接，当变压器发生局部放电现象时，通过超声传感器18对放电部位进行精确定位，从而确定变压器内部局部放电的位置。 The utility model is provided with ultrasonic sensors 13, four ultrasonic sensors 13 are respectively located at the left and right ends of the top and bottom of the fuel tank 1, and the ultrasonic sensors 13 are wirelessly connected with the control device 19. The ultrasonic sensor 18 accurately locates the discharge site, so as to determine the position of the partial discharge inside the transformer.
本实用新型高压套管3上设有均压球4，改善电场分布，避免造成局部场强过大。 The high-voltage bushing 3 of the utility model is provided with a pressure equalizing ball 4 to improve the distribution of the electric field and avoid excessive local field strength.
本实用新型设有油温计6，油温计6与控制装置19无线连接，可以监测绝缘油的温度，并将监测到的数据反馈到控制装置19，通过控制装置19调节散热器12的功率。 The utility model is provided with an oil temperature gauge 6, and the oil temperature gauge 6 is wirelessly connected with the control device 19, which can monitor the temperature of the insulating oil, and feed back the monitored data to the control device 19, and adjust the power of the radiator 12 through the control device 19 .
本实用新型设有单向阀10，单向阀10上设有压力传感器9，压力传感器9与控制装置19无线连接，通过控制装置19对压力传感器9进行设定，当油箱1内的压力达到设定值时，单向阀10打开，避免油箱1内压力过大。 The utility model is provided with a check valve 10, the check valve 10 is provided with a pressure sensor 9, the pressure sensor 9 is wirelessly connected with the control device 19, the pressure sensor 9 is set by the control device 19, when the pressure in the fuel tank 1 reaches When the value is set, the one-way valve 10 is opened to avoid excessive pressure in the oil tank 1 .
本实用新型的工作原理是： The working principle of the utility model is:
在使用时向变压器输入交流电，通过变压器内的绕组和铁芯改变电压，改变电压后的交流电通过变压器输出到电路中。在变压器改变电压的过程中，通过压力传感器、振动传感器和超声波传感器对变压器进行监测，并将监测信号反馈到控制装置。 When in use, AC power is input to the transformer, the voltage is changed through the winding and iron core in the transformer, and the AC power after the voltage change is output to the circuit through the transformer. During the process of changing the voltage of the transformer, the transformer is monitored by the pressure sensor, vibration sensor and ultrasonic sensor, and the monitoring signal is fed back to the control device.
Claims (6)
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420571657.9U CN204242748U (en) | 2014-09-30 | 2014-09-30 | New Oil-immersed Transformer |
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| CN201420571657.9U CN204242748U (en) | 2014-09-30 | 2014-09-30 | New Oil-immersed Transformer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118620A (en) * | 2015-08-26 | 2015-12-02 | 上海核工程研究设计院 | Water path collecting pipe for internal water cooling phase-shifting transformer |
| CN105206403A (en) * | 2015-09-28 | 2015-12-30 | 无锡市南方防爆电机有限公司 | Explosive-proof transformer |
| CN106052808A (en) * | 2016-07-21 | 2016-10-26 | 国网山西省电力公司电力科学研究院 | Electromagnetic-control-type-vibration-sensor-based oil level fault diagnosis method for oil-immersed power transformer |
| CN106052794A (en) * | 2016-07-21 | 2016-10-26 | 国网山西省电力公司电力科学研究院 | Oil level fault diagnosis device for oil-immersed power transformer |
| CN109581535A (en) * | 2018-12-06 | 2019-04-05 | 国网辽宁省电力有限公司锦州供电公司 | Power transformer pump type oil bolt detection method |
-
2014
- 2014-09-30 CN CN201420571657.9U patent/CN204242748U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105118620A (en) * | 2015-08-26 | 2015-12-02 | 上海核工程研究设计院 | Water path collecting pipe for internal water cooling phase-shifting transformer |
| CN105206403A (en) * | 2015-09-28 | 2015-12-30 | 无锡市南方防爆电机有限公司 | Explosive-proof transformer |
| CN106052808A (en) * | 2016-07-21 | 2016-10-26 | 国网山西省电力公司电力科学研究院 | Electromagnetic-control-type-vibration-sensor-based oil level fault diagnosis method for oil-immersed power transformer |
| CN106052794A (en) * | 2016-07-21 | 2016-10-26 | 国网山西省电力公司电力科学研究院 | Oil level fault diagnosis device for oil-immersed power transformer |
| CN109581535A (en) * | 2018-12-06 | 2019-04-05 | 国网辽宁省电力有限公司锦州供电公司 | Power transformer pump type oil bolt detection method |
| CN109581535B (en) * | 2018-12-06 | 2020-07-07 | 国网辽宁省电力有限公司锦州供电公司 | Pump type oil plug detection method for power transformer |
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Granted publication date: 20150401 |