阅读说明：本技术 一种电力少油设备在线压力监测系统 (Online pressure monitoring system for power oil-less equipment ) 是由 何海峰 王禹 吴肖锋 许建伟 于 2020-06-16 设计创作，主要内容包括：本发明公开了一种电力少油设备在线压力监测系统,所述储油器的内部设有多个压力检测单元,所述压力检测单元电性连接有数据采集终端,所述数据采集终端电性连接有无线传输设备,所述无线传输设备通过无线信号连接有中央处理器,所述中央处理器包括数据集中单元,所述中央处理器通过无线传输信号连接有后台监控软件,所述压力检测单元包括传感器底座,所述传感器底座的上端固定连接有传感器,该设计可以实时监控电力少油设备的压力值,通过后台处理分析,实现值守人员及时观察,提高安全性,通过传感器底座、环形卡槽、限位凹槽、螺纹杆、升降板、限位柱、固定杆和卡块之间的配合,使传感器底座与传感器快速的与储油器侧壁连接。(The invention discloses an online pressure monitoring system for power oil-poor equipment, wherein a plurality of pressure detection units are arranged in an oil storage device, the pressure detection units are electrically connected with a data acquisition terminal, the data acquisition terminal is electrically connected with wireless transmission equipment, the wireless transmission equipment is connected with a central processing unit through a wireless signal, the central processing unit comprises a data concentration unit, the central processing unit is connected with background monitoring software through a wireless transmission signal, the pressure detection units comprise sensor bases, the upper ends of the sensor bases are fixedly connected with sensors, the design can monitor the pressure value of the power oil-poor equipment in real time, the on-duty personnel can observe the pressure value in time through background processing and analysis, the safety is improved, and the on-duty personnel can observe the pressure value in time through the sensor bases, annular clamping grooves, limiting grooves, threaded rods, lifting plates, limiting columns, the cooperation between dead lever and the fixture block makes sensor base and sensor quick be connected with the oil reservoir lateral wall.)

1. The utility model provides a few oily equipment on-line pressure monitoring system of electric power, includes oil reservoir (1), its characterized in that: the inside of oil conservator (1) is equipped with a plurality of pressure detection unit, pressure detection unit electric connection has data acquisition terminal, data acquisition terminal electric connection has wireless transmission equipment, wireless transmission equipment has central processing unit through wireless signal connection, central processing unit includes the data concentration unit, central processing unit has backstage monitoring software through wireless transmission signal connection, pressure detection unit includes sensor base (2), the upper end fixedly connected with sensor (3) of sensor base (2), sensor (3) include pressure sensor and differential pressure sensor, sensor base (2) are the cylinder base, sensor base (2) are through the internal surface connection of locking device with oil conservator (1).

2. The on-line pressure monitoring system for the power oil-less equipment according to claim 1, characterized in that: the locking device comprises an annular clamping groove (4), the annular clamping groove (4) is positioned on the outer side wall of the sensor base (2), a limiting groove (5) is arranged in the middle of the lower end face of the sensor base (2), a limiting slide bar is uniformly arranged on the inner side wall of the limiting groove (5), a lifting plate (7) slides on the inner side wall of the oil storage device (1), the lifting plate (7) is a lifting circular plate, a limiting column (8) is arranged in the middle of the upper end face of the lifting plate (7), a limiting slide way is uniformly arranged on the side wall of the limiting column (8), the limiting column (8) is matched with the limiting groove (5) for use, 4 fixing rods (9) are uniformly hinged on the edge of the upper end face of the lifting plate (7), 4 clamping blocks (10) are arranged on the end faces, close to each other, of the clamping rods (9), and the clamping blocks (10) are matched, the lifting plate (7) is connected with the inner wall of the oil reservoir (1) through a connecting component.

3. The on-line pressure monitoring system for the power oil-less equipment according to claim 2, characterized in that: the connecting component comprises a threaded rod (6), the upper end of the threaded rod (6) is fixedly connected with the middle of the lower end face of the lifting plate (7), the inner side wall of the oil reservoir (1) is provided with a fixing hole, and the threaded rod (6) is connected in the fixing hole in a threaded manner.

4. The on-line pressure monitoring system for the power oil-less equipment according to claim 1, characterized in that: locking device includes fixing base (11), and is a plurality of fixing base (11) are through the interior bottom fixed connection of bolt and oil storage ware (1), fixedly connected with connecting rod (12) in the middle of the terminal surface of keeping away from oil storage ware (1) of fixing base (11), be equipped with connecting hole (13) in the middle of the lower terminal surface of sensor base (2), connecting rod (12) and connecting hole (13) threaded connection, fixing base (11) are equipped with sliding sleeve (14) that prevent sensor base (2) rotation with the outside of sensor base (2), be connected with spring A (15) between the lower terminal surface of sliding sleeve (14) and the lateral wall of oil storage ware (1) and in the outside of fixing base (11).

5. The on-line pressure monitoring system for the power oil-less equipment according to claim 4, characterized in that: fixing base (11) evenly are equipped with the equidistance with the side surface of sensor base (2) and prevent changeing strip (16), the internal surface of slip cap (14) evenly is equipped with the equidistance prevent changeing strip groove (17), prevent changeing strip (16) and prevent changeing strip groove (17) sliding connection.

6. The on-line pressure monitoring system for the power oil-less equipment according to claim 4, characterized in that: the fixing seat (11) is a rectangular fixing seat, the sensor base (2) is a rectangular sensor base, and the sliding sleeve (14) is a rectangular sliding sleeve.

7. The on-line pressure monitoring system for the power oil-less equipment according to claim 2, characterized in that: the connecting component comprises sliding holes which are uniformly arranged on the inner side wall of the oil reservoir (1), a sliding rod (18) is connected in the sliding hole in a sliding way, the upper end of the sliding rod (18) is fixedly connected with the lower end surface of the lifting plate (7), a clamping groove (19) is sequentially arranged on one side of the outer surface of the limiting rod (18) from top to bottom, a working hole connected with the side wall of the sliding hole is arranged in the side wall of the oil reservoir (1), a clamping column (20) is connected in the working hole in a sliding way, the clamping column (20) is matched with the clamping groove (19), the end surface of the clamping column (20) far away from the sliding rod (18) is fixedly connected with an L-shaped rod (21), one end of the L-shaped rod (21) far away from the clamping column (20) penetrates through the side wall of the oil reservoir (1), and a spring B (22) is connected between the end surface of the clamping column (20) far away from the sliding rod (18) and the side wall of the working hole.

8. The on-line pressure monitoring system for the power oil-less equipment according to claim 7, characterized in that: the slide rod (18) is a rectangular rod, the slide hole is a rectangular slide hole, and the end face, close to the slide rod (18), of the clamping column (20) is an inclined end face.

Technical Field

The invention relates to the technical field of power oil-less equipment, in particular to an online pressure monitoring system of power oil-less equipment.

Background

The transformer substation is a power facility for transforming voltage, receiving and distributing electric energy, controlling the flow direction of electric power and adjusting voltage in a power system, and connects power grids of voltages of all levels through a transformer thereof, and the safety performance of the transformer equipment in operation needs to be mastered to be used as oil-filled power equipment, when thermal failure and electrical failure occur, the insulating oil and the insulating paper are decomposed to generate gas which is dissolved in the oil according to a certain rule, therefore, the detection of the dissolved gas in the insulating oil becomes the most effective safety detection method, the fault hidden danger which cannot be found in time can be developed into faults or accidents, the normal transmission of electric power is influenced, accidents such as equipment explosion, substation fire and the like are caused in serious cases, at present, the safety performance detection is carried out on operating equipment with the voltage class of 110kV or above at regular intervals, the pressure detection of the equipment with less electric power and less oil is carried out, and the insulating oil in the equipment needs to be extracted during the detection. The total amount of the insulating oil is small, so that the oil taking amount is limited; the traditional method needs manual monitoring, and is difficult to master the health state and the change trend of the oil-shortage equipment in time, so that faults occur in a routine monitoring period, and therefore the on-line pressure monitoring system for the oil-shortage equipment in the power industry is provided.

Disclosure of Invention

The invention aims to provide an online pressure monitoring system for an oil-poor electric power equipment, which aims to solve the problems that the traditional method provided by the background art needs artificial monitoring, and the health state and the change trend of the oil-poor equipment are difficult to master in time, so that faults occur in a routine monitoring period.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an online pressure monitoring system of few oily equipment of electric power, includes the oil conservator, the inside of oil conservator is equipped with a plurality of pressure detection unit, pressure detection unit electric connection has data acquisition terminal, data acquisition terminal electric connection has wireless transmission equipment, wireless transmission equipment has central processing unit through wireless signal connection, central processing unit includes the data concentration unit, central processing unit has backstage monitoring software through wireless transmission signal connection, pressure detection unit includes the sensor base, the upper end fixedly connected with sensor of sensor base, the sensor includes pressure sensor and pressure differential sensor, the sensor base is the cylinder base, the sensor base passes through the internal surface connection of locking device and oil conservator.

Preferably, locking device includes ring groove, ring groove is located the lateral wall of sensor base, be equipped with spacing recess in the middle of the lower terminal surface of sensor base, the inside wall of spacing recess evenly is equipped with spacing draw runner, the inside wall of oil storage ware slides and has the lifter plate, the lifter plate is the lift plectane, be equipped with spacing post in the middle of the up end of lifter plate, the lateral wall of spacing post evenly is equipped with spacing slide, spacing post uses with the cooperation of spacing recess, the up end edge of lifter plate evenly articulates there is 4 dead levers, 4 the terminal surface that the dead lever is close to each other is equipped with the fixture block, the fixture block uses with the ring groove cooperation, the lifter plate passes through the inner wall connection of connecting element and oil storage ware.

Preferably, the connecting member includes a threaded rod, fixed connection in the middle of the upper end of threaded rod and the lower terminal surface of lifter plate, the inside wall of oil reservoir is equipped with the fixed orifices, threaded connection has the threaded rod in the fixed orifices.

Preferably, locking device includes the fixing base, and is a plurality of the fixing base passes through the interior bottom fixed connection of bolt and oil storage ware, fixedly connected with connecting rod in the middle of the terminal surface of keeping away from the oil storage ware of fixing base, be equipped with the connecting hole in the middle of the lower terminal surface of sensor base, connecting rod and connecting hole threaded connection, the fixing base is equipped with the sliding sleeve who prevents sensor base rotation with sensor base's the outside, just be connected with spring A in the outside of fixing base between the lower terminal surface of sliding sleeve and the lateral wall of oil storage ware.

Preferably, the fixing base evenly is equipped with the equidistance with the side surface of sensor base and prevents changeing the strip, the internal surface of sliding sleeve evenly is equipped with the equidistance and prevents changeing the strip groove, prevent changeing the strip and prevent changeing strip groove sliding connection.

Preferably, the fixing seat is a rectangular fixing seat, the sensor base is a rectangular sensor base, and the sliding sleeve is a rectangular sliding sleeve.

Preferably, the connecting elements includes the slide opening, the slide opening is evenly established on the inside wall of oil storage ware, sliding connection has the slide bar in the slide opening, the lower terminal surface fixed connection of the upper end of slide bar and lifter plate, surface one side from the top down of gag lever post is equipped with the screens groove in proper order, be equipped with the work hole of being connected with the slide opening lateral wall in the lateral wall of oil storage ware, sliding connection has the screens post in the work hole, screens post and the cooperation of screens groove, the terminal surface fixed connection L pole of slide bar is kept away from to the screens post, the lateral wall of oil storage ware is passed to the one end that the screens post was kept away from to the L pole, the screens post is kept away from between the terminal surface of slide bar and the lateral wall of work hole and is connected with spring B.

Preferably, the slide bar is a rectangular bar, the slide hole is a rectangular slide hole, and the end surface of the clamping column close to the slide bar is an inclined end surface.

Compared with the prior art, the invention has the beneficial effects that: the utility model provides an online pressure monitoring system of few oily equipment of electric power, 1, this design can the little oily equipment of real time monitoring electric power's pressure value, through backstage processing analysis, realizes that the personnel of on duty in time observe, improves the security, reduces the accident rate, through the cooperation between sensor base, ring groove, spacing recess, threaded rod, lifter plate, spacing post, dead lever and the fixture block, makes sensor base and sensor quick be connected with the oil conservator lateral wall.

2. When the sensor base is connected with the fixing base under the connection of the connecting rod connecting hole, the sliding sleeve slides upwards under the action of the spring A to limit the sensor base and the fixing base to rotate, so that the sensor base and the fixing base are prevented from loosening due to long-time action.

Drawings

FIG. 1 is a schematic sectional front view of an oil reservoir according to embodiment 1 of the present invention;

FIG. 2 is a schematic sectional front view of an oil reservoir in accordance with embodiment 2 of the present invention;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a front sectional view schematically showing the structure of an oil reservoir in accordance with example 3 of the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 4;

fig. 6 is a schematic diagram of the principle of the present invention.

In the figure: 1-an oil storage device, 2-a sensor base, 3-a sensor, 4-an annular clamping groove, 5-a limiting groove, 6-a threaded rod, 7-a lifting plate, 8-a limiting column, 9-a fixing rod, 10-a clamping block, 11-a fixing seat, 12-a connecting rod, 13-a connecting hole, 14-a sliding sleeve, 15-a spring A, 16-an anti-rotation strip, 17-an anti-rotation strip groove, 18-a sliding rod, 19-a clamping groove, 20-a clamping column, 21-L rod and 22-a spring B.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The description of the directions (up, down, left, right, front, and rear) is made with reference to the structure shown in fig. 1 of the drawings attached to the specification, but the practical use direction of the present invention is not limited thereto.