CN218847283U - Novel distribution transformer intelligent monitoring device - Google Patents
Novel distribution transformer intelligent monitoring device Download PDFInfo
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- CN218847283U CN218847283U CN202223317802.4U CN202223317802U CN218847283U CN 218847283 U CN218847283 U CN 218847283U CN 202223317802 U CN202223317802 U CN 202223317802U CN 218847283 U CN218847283 U CN 218847283U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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Abstract
The application discloses a novel intelligent monitoring device for a distribution transformer, which comprises a sensing device, a display controller and a sensor lead wire, wherein the sensor lead wire is used for connecting the sensing device and the display controller; the sensing device comprises a pressure release valve, a sensor mounting seat connected with the pressure release valve, a sensor module arranged in the sensor mounting seat, an oil level metering pipe, an oil level color code arranged in the oil level metering pipe, an oil float extending into a cover of the transformer tank, a buoy connecting rod arranged between the oil float and the oil level color code, an oil temperature sensor arranged at the bottom of the oil float, a local discharge amount monitoring sensor and a sleeve wiring board temperature sensor; the sleeve wiring board temperature sensor is connected with an oil temperature signal input interface arranged on the sensing device through an oil temperature signal transmission line; the surface of the display controller is provided with a display screen and interactive keys for displaying signals acquired by the sensor module, the oil temperature sensor, the local discharge amount monitoring sensor and the bushing wiring board temperature sensor.
Description
Technical Field
The application relates to the field of transformers, in particular to a novel intelligent monitoring device for a distribution transformer.
Background
Distribution transformer is one of important equipment in industrial and mining enterprises and civil building power supply and distribution systems, and as the demand of medium and small transformer products is increasing, the distribution station is large in area, and the field inspection of all products is difficult to realize. In areas with higher requirements for safe operation reliability, such as central areas of first-line and second-line cities and heavily loaded power utilization places, a distribution transformer designed by the traditional method only has a tubular oil level indicator (with a pressure release valve), does not have an oil surface thermometer, does not have related protection signal output, and can only observe the oil level on site. Conventional distribution transformers have not been able to accommodate today's trends.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the application provides a distribution transformer intelligent monitoring device, includes: the display device comprises a sensing device, a display controller and a sensor lead wire for connecting the sensing device and the display controller; the sensing device comprises a pressure release valve, a sensor mounting seat connected with the pressure release valve, a sensor module arranged in the sensor mounting seat, an oil level gauge pipe arranged below the sensor mounting seat and connected with a transformer tank cover, an oil level color code arranged in the oil level gauge pipe and connected with the sensor module, an oil float extending into the transformer tank cover, a buoy connecting rod arranged between the oil float and the oil level color code, an oil temperature sensor arranged at the bottom of the oil float, a local discharge amount monitoring sensor and a sleeve wiring board temperature sensor connected with a sleeve wiring board on the surface of the transformer; the sleeve wiring board temperature sensor is connected with an oil temperature signal input interface arranged on the sensing device through an oil temperature signal transmission line; the surface of the display controller is provided with a display screen and interactive keys for displaying signals acquired by the sensor module, the oil temperature sensor, the partial discharge amount monitoring sensor and the bushing wiring board temperature sensor.
In one example, an alert device is disposed within the display controller; and a processor is arranged in the display controller and used for giving an alarm through the alarm device when the signal is abnormal.
In one example, the processor is electrically connected to the transformer fan, and the processor is further configured to control the start and stop of the transformer fan.
In one example, a communication module is arranged in the display controller, and the communication module at least comprises an Ethernet interface and an RS485 interface.
In one example, the oil level gauge tube bottom is shaped to fit the transformer original pressure relief valve port.
In one example, the housing of the sensing device is made of stainless steel.
In one example, an oil level patch viewport is disposed on a housing of the sensing device at the same height as the oil level patch.
The online detection device has the characteristics of economy, convenience in operation, strong adaptability to outdoor environment and the like, and can be widely applied to distribution transformers and used as important components for monitoring the running state of oil immersed transformers. Meanwhile, the detection device is more suitable for the transformation project of the original distribution area, the transformation is convenient, the transformer does not need to be dismantled and returned to a factory for transformation, and only a short-time power cut is needed to dismantle and install the detection device on the original pressure release valve of the transformer.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic diagram of an overall installation structure of a novel intelligent monitoring device for a distribution transformer in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a sensing device in a novel intelligent monitoring device for a distribution transformer in the embodiment of the present application.
The oil level monitoring device comprises a sensing device 1, a sensing device 2, a sensor lead wire 3, a display controller 4, a transformer 5, a pressure release valve 6, a sensor mounting seat 7, a sensor module 8, an oil level color code 9, an oil level metering tube 10, a transformer box cover 11, an oil float 12, an oil temperature sensor 13, a sleeve pipe wiring board temperature sensor 14, an oil temperature signal transmission line 15, an oil temperature signal input interface 16 and a local discharge amount monitoring sensor.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present application.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In order to more clearly understand the technical features, objects and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings, in which the same reference numerals indicate the same or structurally similar but functionally identical elements.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure as a product.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The early research and development of my company possess oil temperature, oil level, trinity transformer intelligent monitoring device of oil tank internal pressure, increases sleeve pipe terminal board temperature sensor and partial discharge sensor now on former basis to constitute the novel transformer intelligent monitoring device of five unifications of local discharge volume in possessing monitoring oil temperature, oil level, oil tank internal pressure, sleeve pipe terminal board temperature and the transformer.
As shown in fig. 1-2, the present application provides a novel intelligent distribution transformer monitoring device, including: the intelligent oil temperature sensor comprises a sensing device 1, a display controller 3, a sensor lead 2 for connecting the sensing device 1 and the display controller 3, an oil temperature signal input interface 15, a bushing terminal plate temperature sensor 13 and an oil temperature signal transmission line 14 for connecting the oil temperature signal input interface 15 and the bushing terminal plate temperature sensor 13.
The sensing device 1 comprises a pressure release valve 5, a sensor mounting seat 6 connected with the pressure release valve 5, a sensor module 7 installed inside the sensor mounting seat 6, an oil level measuring pipe 9 arranged below the sensor mounting seat 6 and connected with a transformer tank cover 10, an oil level color mark 8 arranged in the oil level measuring pipe 9 and connected with the sensor module 7, an oil float 11 extending into the transformer tank cover 10, a buoy connecting rod arranged between the oil float 11 and the oil level color mark 8, an oil temperature sensor 12 arranged at the bottom of the oil float 11 and a local discharge amount monitoring sensor 16.
The display controller 3 is provided with a display screen and interactive keys on the surface, and the display controller 3 is used for displaying signals acquired by the sensor module 7, the oil temperature sensor 12 and the partial discharge sensor 16 and signals acquired by the sleeve wiring board temperature sensor 13 received through the oil temperature signal input interface 15.
In one embodiment, the display controller 3 of the monitoring device is provided with an alarm device, and the display controller 3 is provided with a processor for alarming by the alarm device when the signal is abnormal. The alarm mode may be an indicator light alarm or a sound alarm sent by an alarm device. Therefore, the monitoring device can monitor the internal pressure of the transformer oil tank in real time, display the function and the pressure fault alarm function, can monitor the temperature of the bushing wiring board and the local discharge amount in the transformer in real time, sends out an alarm when the numerical value exceeds the standard, can monitor and display the oil level of the transformer in real time, and has the oil level fault alarm function.
In one embodiment, the processor is electrically connected with the transformer fan, and is further used for controlling the starting and stopping of the transformer fan, and the monitoring device has the functions of measuring and displaying the temperature of the transformer oil in real time, controlling the starting and stopping of the transformer fan, alarming the over-temperature of the oil temperature and tripping the over-temperature protection of the oil temperature.
In one embodiment, a communication module is disposed in the display controller 3, the communication module at least includes an ethernet interface and an RS485 interface, and the signals collected by the sensor can be uploaded to the field intelligent power distribution terminal in the form of RS485 or ethernet interface.
In one embodiment, the bottom shape of the oil level gauge pipe 9 is matched with the opening of the original pressure release valve 5 of the transformer 4, so that the detection device is more suitable for the reconstruction project of the original distribution area, the reconstruction is convenient, the transformer 4 does not need to be dismantled and returned to a factory for reconstruction, only power is cut off for a short time, and the original pressure release valve 5 of the transformer 4 is dismantled and installed.
In one embodiment, the housing of the sensing device 1 is made of stainless steel, and the housing of the sensing device 1 is provided with a viewing port of the oil level color scale 8 at the same height as the oil level color scale 8, so that a worker can obtain the height of the oil level in the transformer 4 in real time through the real-time interface of the oil level color scale 8.
In the actual use process, when the oil level inside the transformer 4 changes, the oil floater 11 goes up and down along with the oil, the oil level color code 8 in the oil level metering pipe 9 changes, and the sensor module 7 is additionally arranged at the upper part of the oil level metering pipe to collect oil level signals; a sensor mounting seat 6 is added at the lower part of the pressure release valve 5 and used for mounting a sensor module 7 and simultaneously acquiring a pressure signal in the oil tank; the collected oil temperature, oil level and pressure signals in the oil tank are transmitted to the controller through the sensor lead 2.
In one embodiment, the detection device supports a novel connection mode developed by a national network project, and as the national network project is provided with a fusion terminal, signals collected by the sensing device 1 can be directly transmitted to the fusion terminal through the sensor lead 2. Meanwhile, a 220V alternating current power supply is taken from the JP cabinet to supply power to the device, and the scheme can save the display controller 3.
It should be noted that the terms of orientation such as left, right, up, down, front and back in the embodiments of the present invention are only relative concepts or are based on the normal use state of the product, i.e. the traveling direction of the product, and should not be considered as limiting.
Second, when an element is referred to as being "on" or "disposed" to another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (7)
1. The novel intelligent monitoring device for the distribution transformer is characterized by comprising a sensing device, a display controller and a sensor lead wire, wherein the sensor lead wire is used for connecting the sensing device with the display controller;
the sensing device comprises a pressure release valve, a sensor mounting seat connected with the pressure release valve, a sensor module arranged in the sensor mounting seat, an oil level gauge pipe arranged below the sensor mounting seat and connected with a transformer tank cover, an oil level color code arranged in the oil level gauge pipe and connected with the sensor module, an oil float extending into- + the transformer tank cover, a buoy connecting rod arranged between the oil float and the oil level color code, an oil temperature sensor arranged at the bottom of the oil float, a local discharge amount monitoring sensor and a sleeve wiring board temperature sensor connected with a sleeve wiring board on the surface of the transformer; the sleeve wiring board temperature sensor is connected with an oil temperature signal input interface arranged on the sensing device through an oil temperature signal transmission line;
the surface of the display controller is provided with a display screen and interactive keys for displaying signals acquired by the sensor module, the oil temperature sensor, the partial discharge amount monitoring sensor and the bushing wiring board temperature sensor.
2. The novel intelligent distribution transformer monitoring device according to claim 1, wherein an alarm device is arranged in the display controller;
and a processor is arranged in the display controller and used for giving an alarm through the alarm device when the signal is abnormal.
3. The novel intelligent distribution transformer monitoring device of claim 2, wherein the processor is electrically connected to the transformer fan, and the processor is further configured to control the start and stop of the transformer fan.
4. The novel intelligent distribution transformer monitoring device according to claim 1, wherein a communication module is arranged in the display controller, and the communication module at least comprises an ethernet interface and an RS485 interface.
5. The intelligent monitoring device for the novel distribution transformer as claimed in claim 1, wherein the bottom shape of the oil level gauge pipe is matched with the original pressure relief valve port of the transformer.
6. The novel intelligent monitoring device for the distribution transformer as claimed in claim 1, wherein the shell of the sensing device is made of stainless steel.
7. The intelligent monitoring device for the novel distribution transformer as claimed in claim 1, wherein an oil level color code view port is arranged on the housing of the sensing device and at the same height as the oil level color code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223317802.4U CN218847283U (en) | 2022-12-08 | 2022-12-08 | Novel distribution transformer intelligent monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223317802.4U CN218847283U (en) | 2022-12-08 | 2022-12-08 | Novel distribution transformer intelligent monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218847283U true CN218847283U (en) | 2023-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223317802.4U Active CN218847283U (en) | 2022-12-08 | 2022-12-08 | Novel distribution transformer intelligent monitoring device |
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| Country | Link |
|---|---|
| CN (1) | CN218847283U (en) |
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- 2022-12-08 CN CN202223317802.4U patent/CN218847283U/en active Active
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