CN113586829A - Electrical equipment and charge-discharge pressure monitoring device - Google Patents

Electrical equipment and charge-discharge pressure monitoring device Download PDF

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Publication number
CN113586829A
CN113586829A CN202110885934.8A CN202110885934A CN113586829A CN 113586829 A CN113586829 A CN 113586829A CN 202110885934 A CN202110885934 A CN 202110885934A CN 113586829 A CN113586829 A CN 113586829A
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CN
China
Prior art keywords
inflation
deflation
valve
joint
charging
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Pending
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CN202110885934.8A
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Chinese (zh)
Inventor
贺青斌
张超
胡宽海
马晓娟
江坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China XD Electric Co Ltd
Xian XD Transformer Co Ltd
Original Assignee
China XD Electric Co Ltd
Xian XD Transformer Co Ltd
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Application filed by China XD Electric Co Ltd, Xian XD Transformer Co Ltd filed Critical China XD Electric Co Ltd
Priority to CN202110885934.8A priority Critical patent/CN113586829A/en
Publication of CN113586829A publication Critical patent/CN113586829A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F16L41/021—T- or cross-pieces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/008—Branching pipes; Joining pipes to walls for connecting a measuring instrument
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

The invention relates to an electrical device and a charging and discharging pressure monitoring device, wherein the charging and discharging pressure monitoring device comprises a gas pressure gauge, a tee joint and a charging and discharging valve, wherein a first joint of the tee joint is connected with the gas pressure gauge, a second joint of the tee joint is connected with the charging and discharging valve, a third joint of the tee joint is used for being connected with a charging device to be monitored, and the charging device can be an electrical device or other devices with a charging structure; above-mentioned fill atmospheric pressure monitoring devices utilizes the tee bend to integrate gas pressure table and fill the gassing valve in an organic whole, only need set up one and can realize treating the atmospheric pressure monitoring and fill the gassing of the aeration equipment who keeps watch on with the mounting hole of tee bend third joint adaptation at the aeration equipment that keeps watch on, be convenient for installation and operation, avoid the product because of setting up a plurality of mounting holes and make the risk of leaking gas increase, save material and guarantee electrical equipment transportation and storage process safe and reliable.

Description

Electrical equipment and charge-discharge pressure monitoring device
Technical Field
The present invention relates to the field of electrical equipment, and in particular, to an electrical equipment and a charge/discharge pressure monitoring device.
Background
The storage and transportation links of electrical equipment such as transformers and reactors are of great importance for the protection of insulating parts, and in order to prevent products from being insulated and damped, two modes of inflation transportation and oil transportation are generally adopted.
The transformer products of gas-filled or oil-filled transportation need to be filled with qualified dry gas to a certain pressure range, the gas pressure of the products needs to be checked and transported or stored periodically, and when the internal gas pressure exceeds or is lower than a limit value, gas is required to be discharged or supplemented. In order to achieve the above purpose, currently, an electrical product needs to be provided with an inflation/deflation joint, a pressure gauge for monitoring pressure and a qualified dry gas bottle in the storage and transportation processes, however, the existing inflation/deflation joint and the pressure gauge are mutually independent, electrical equipment needs to be provided with two threaded holes, two plugs and a base for fixing the plugs, the manufacturing process is complex, the risk of air leakage of the equipment is increased, and material waste is caused.
Disclosure of Invention
The first objective of the present invention is to provide a pressure monitoring device for inflation and deflation, so that the pressure monitoring device has the functions of inflation and deflation and pressure monitoring, is convenient for installation and operation, reduces the risk of air leakage of products, ensures the safety and reliability of the transportation and storage processes of electrical equipment, and saves materials.
A second object of the present invention is to provide an electric apparatus including the charge and discharge pressure monitoring device.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a fill air pressure monitoring devices, includes gas pressure table, tee bend and fills the gassing valve, the first joint of tee bend with the gas pressure table is connected, the second joint of tee bend with fill the gassing valve and be connected, the third joint of tee bend is used for being connected with the inflation equipment who waits to monitor.
Preferably, the inflation and deflation valve comprises a valve body and a sealing plug, the second joint of the tee joint is connected with the valve body, and the sealing plug is used for being connected with the inflation and deflation port of the valve body in a matched mode so as to seal the inflation and deflation port of the valve body.
Preferably, the valve body still includes inflation joint and gassing joint, inflation joint be used for with the cooperation of the inflation and deflation port of valve body is in order to realize from inflation joint to the one-way conduction of valve body direction, the gassing joint be used for with the cooperation of the inflation and deflation port of valve body is in order to realize from the valve body to the one-way conduction of inflation joint direction.
Preferably, the tee joint is in threaded connection with the gas pressure gauge, the tee joint is in threaded connection with the inflation and deflation valve, and the tee joint is in threaded connection with the inflation equipment to be monitored.
Preferably, sealing structures are respectively arranged between the tee joint and the gas pressure gauge, between the tee joint and the charging and discharging valve and between the tee joint and the inflating equipment to be monitored.
Preferably, the circumference of the inflation and deflation valve is provided with an annular boss, and the edge of one side of the annular boss, which is far away from the inflation and deflation valve, is hexagonal.
Preferably, still include atmospheric pressure detection device, alarm and controller, the valve of charging and discharging is automatically controlled valve, atmospheric pressure detection device is used for detecting the trachea or treat the atmospheric pressure in the aeration equipment of keeping watch on, atmospheric pressure detection device with the signal input part of controller is connected, the signal output part of controller with the valve of charging and discharging is connected, the controller is used for when the atmospheric pressure value that atmospheric pressure detection device detected surpasss the controller of predetermineeing the atmospheric pressure upper limit the alarm is reported to the police and/or is controlled the valve of charging and discharging is opened, the controller is used for when the atmospheric pressure value that atmospheric pressure detection device detected is less than predetermineeing the atmospheric pressure lower limit the alarm is reported to the police.
An electrical apparatus comprising an apparatus body and the charge-discharge pressure monitoring device as described above, wherein the charge-discharge pressure monitoring device is attached to the apparatus body.
Preferably, the equipment body is one of a transformer, a reactor, a wire outlet device and an oil conservator.
According to the technical scheme, the invention discloses a charge and discharge pressure monitoring device which comprises a gas pressure gauge, a tee joint and a charge and discharge valve, wherein the gas pressure gauge can be a mechanical gas pressure gauge with a pointer and a dial plate or an electronic gas pressure gauge with a liquid crystal display screen; above-mentioned fill atmospheric pressure monitoring devices utilizes the tee bend to integrate gas pressure table and fill the gassing valve in an organic whole, only need set up one and can realize treating the atmospheric pressure monitoring and fill the gassing of the aeration equipment who keeps watch on with the mounting hole of tee bend third joint adaptation at the aeration equipment that keeps watch on, be convenient for installation and operation, avoid the product because of setting up a plurality of mounting holes and make the risk of leaking gas increase, save material and guarantee electrical equipment transportation and storage process safe and reliable.
The invention also provides electrical equipment, which comprises an equipment body and the charging and discharging pressure monitoring device, wherein the charging and discharging pressure monitoring device is arranged on the equipment body, the equipment body comprises but not limited to a transformer, a reactor, a wire outlet device and an oil conservator, and the charging and discharging pressure monitoring device has the same beneficial effects as the charging and discharging pressure monitoring device has the beneficial effects, so that the details are not repeated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of a charge and discharge pressure monitoring apparatus according to an embodiment of the present invention;
fig. 2 is a left side view of the charge and discharge pressure monitoring apparatus according to the embodiment of the present invention;
fig. 3 is a front view of a gas gauge of the charge/discharge pressure monitoring apparatus according to the embodiment of the present invention;
fig. 4 is a front view of a tee of the charge and discharge pressure monitoring apparatus according to the embodiment of the present invention;
fig. 5 is a front view of a charge/discharge valve of the charge/discharge pressure monitoring apparatus according to the embodiment of the present invention;
fig. 6 is a right side view of the inflation and deflation valve of the inflation and deflation pressure monitoring device according to the embodiment of the present invention when the inflation joint is installed;
fig. 7 is a right side view of the inflation and deflation valve of the inflation and deflation pressure monitoring device according to the embodiment of the present invention, with the deflation joint installed.
Wherein:
1 is a gas pressure gauge; 2 is a tee joint; 201 is a first connector; 202 is a second joint; 203 is a third joint; 3 is an air charging and discharging valve; 301 is a valve body; 302 is an annular boss; 303 is a sealing plug; 304 is an inflation connector; 305 is a bleeder connection.
Detailed Description
The core of the invention is to provide a charging and discharging pressure monitoring device, the structural design of which enables the device to have the functions of charging and discharging and monitoring pressure, thereby being convenient for installation and operation, reducing the risk of air leakage of products, ensuring the safety and reliability of the transportation and storage processes of electrical equipment and saving materials.
Another core of the present invention is to provide an electric device including the charge and discharge pressure monitoring apparatus.
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.
Referring to fig. 1 and 2, fig. 1 is a front view of a charge and discharge pressure monitoring device according to an embodiment of the present invention, and fig. 2 is a left side view of the charge and discharge pressure monitoring device according to the embodiment of the present invention.
The embodiment of the invention discloses a charging and discharging pressure monitoring device which comprises a gas pressure gauge 1, a tee joint 2 and a charging and discharging valve 3.
The gas pressure gauge 1 may be a mechanical gas pressure gauge with a pointer and a dial as shown in fig. 3, or may be an electronic gas pressure gauge with a liquid crystal display, the tee 2 is preferably made of a metal material which is not easily corroded, such as stainless steel or copper, so as to have sufficient strength and avoid introduction of pollutants, as shown in fig. 4, the first joint 201 of the tee 2 is connected with the gas pressure gauge 1, the second joint 202 of the tee 2 is connected with the inflation and deflation valve 3, the third joint 203 of the tee 2 is used for being connected with an inflation device to be monitored, the inflation device may be an electrical device or other device with an inflation structure, and the inflation and deflation valve 3 may be a manually controlled mechanical valve or an automatically controlled valve.
It can be seen that, compared with the prior art, the inflation and deflation pressure monitoring device provided by the embodiment of the invention integrates the gas pressure gauge 1 and the inflation and deflation valve 3 into a whole by using the tee joint 2, and the pressure monitoring and inflation and deflation of the inflation equipment to be monitored can be realized only by arranging one mounting hole matched with the third joint 203 of the tee joint 2 on the inflation equipment to be monitored, so that the installation and operation are convenient, the increase of air leakage risk of products due to arrangement of a plurality of mounting holes is avoided, the material is saved, and the safety and reliability of the transportation and storage processes of the electrical equipment are ensured.
Preferably, as shown in fig. 5, the inflation/deflation valve 3 includes a valve body 301 and a sealing plug 303, the second joint 202 of the tee 2 is connected with the valve body 301, as can be seen from fig. 4 and 5, the second joint 202 of the tee 2 is provided with an internal thread, one end of the valve body 301 is provided with a first external thread, the first external thread is matched with the internal thread of the second joint 202 of the tee 2, and of course, the reverse is also possible, the second joint 202 of the tee 2 is provided with an external thread, and one end of the valve body 301 is provided with an internal thread; the sealing plug 303 is used for being connected with the inflation and deflation port of the valve body 301 in a matched manner so as to seal the inflation and deflation port of the valve body 301, the sealing plug 303 is in threaded connection with the valve body 301, as can be seen from fig. 4 and 5, the other end of the valve body 301 is provided with a second external thread, the sealing plug 303 is provided with an internal thread, and the sealing plug 303 is arranged at the other end of the valve body 301 in a matched manner through the second external thread of the internal thread and the valve body 301.
In order to further optimize the above technical solution, in order to facilitate the inflation and deflation operation, in the embodiment of the present invention, as shown in fig. 6 and 7, the valve body 301 further includes an inflation connector 304 (fig. 6) and a deflation connector 305 (fig. 7), the inflation connector 304 is used for being matched with the inflation and deflation port of the valve body 301 to realize the one-way conduction from the inflation connector 304 to the valve body 301, and the deflation connector 305 is used for being matched with the inflation and deflation port of the valve body 301 to realize the one-way conduction from the valve body 301 to the inflation connector 304.
Preferably, in the embodiment of the present invention, the three-way pipe 2 is in threaded connection with the gas pressure gauge 1, the three-way pipe 2 is in threaded connection with the inflation and deflation valve 3, and the three-way pipe 2 is in threaded connection with the inflation device to be monitored.
Further, sealing structures are respectively arranged between the tee joint 2 and the gas pressure gauge 1, between the tee joint 2 and the charging and discharging valve 3 and between the tee joint 2 and the inflating and discharging equipment to be monitored, and each sealing structure comprises one or more sealing rings.
As shown in fig. 5-7, an annular boss 302 is circumferentially disposed on the inflation/deflation valve 3, and an edge of the annular boss 302, which is far away from the inflation/deflation valve 3, is hexagonal, so as to facilitate the assembly and disassembly of the inflation/deflation valve 3.
The pressure detection of the charging and discharging pressure monitoring device can be monitored in a purely manual mode, for example, the reading of the gas pressure gauge 1 is observed in a timed patrol mode, then the charging and discharging valve 3 is operated manually to perform the charging and discharging when the gas pressure exceeds the limit, or an automatic control mode can be adopted to perform the monitoring and the charging and discharging, in one embodiment of the invention, the charging and discharging pressure monitoring device further comprises a gas pressure detection device, an alarm and a controller, in the embodiment, the charging and discharging valve 3 is an electric control valve, the gas pressure detection device is used for detecting the gas pressure in the tee joint 2 pipe or the charging equipment to be monitored, the gas pressure detection device is connected with the signal input end of the controller, the signal output end of the controller is connected with the charging and discharging valve 3, the controller is used for controlling the alarm of the controller to alarm and/or control the charging and discharging valve 3 to open when the gas pressure value detected by the gas pressure detection device exceeds the preset upper limit, the controller is used for controlling the alarm to give an alarm when the air pressure value detected by the air pressure detection device is lower than a preset air pressure lower limit, and the alarm mode of the alarm comprises but is not limited to sending a short message, buzzing and voice alarm to a mobile phone of a user.
An embodiment of the present invention further provides an electrical device, which includes a device body and the charging and discharging pressure monitoring device according to the above embodiment, wherein the charging and discharging pressure monitoring device is installed on the device body, and the device body includes, but is not limited to, a transformer, a reactor, a wire outlet device, and an oil conservator.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1.一种充放气压力监视装置,其特征在于,包括气体压力表、三通以及充放气阀门,所述三通的第一接头与所述气体压力表连接,所述三通的第二接头与所述充放气阀门连接,所述三通的第三接头用于与待监视的充气设备连接。1. A charging and discharging pressure monitoring device is characterized in that, comprising a gas pressure gauge, a three-way and a charging and discharging valve, the first joint of the three-way is connected with the gas pressure gauge, and the first joint of the three-way is connected with the gas pressure gauge. The second joint is connected with the inflation and deflation valve, and the third joint of the three-way is used for connecting with the inflation device to be monitored. 2.根据权利要求1所述的充放气压力监视装置,其特征在于,所述充放气阀门包括阀门本体以及密封堵头,所述三通的第二接头与所述阀门本体连接,所述密封堵头用于与所述阀门本体的充放气口配合连接以封闭所述阀门本体的充放气口。2. The inflation and deflation pressure monitoring device according to claim 1, wherein the inflation and deflation valve comprises a valve body and a sealing plug, and the second joint of the three-way is connected to the valve body, so The sealing plug is used for cooperating with the gas charging and discharging port of the valve body to close the gas charging and discharging port of the valve body. 3.根据权利要求2所述的充放气压力监视装置,其特征在于,所述阀门本体还包括充气接头以及放气接头,所述充气接头用于与所述阀门本体的充放气口配合以实现从所述充气接头至所述阀门本体方向的单向导通,所述放气接头用于与所述阀门本体的充放气口配合以实现从所述阀门本体至所述充气接头方向的单向导通。3 . The inflation and deflation pressure monitoring device according to claim 2 , wherein the valve body further comprises an inflation connector and a deflation connector, and the inflation connector is used to cooperate with the inflation port of the valve body to One-way conduction from the inflation joint to the valve body direction is realized, and the deflation joint is used to cooperate with the inflation and deflation port of the valve body to realize one-way conduction from the valve body to the inflation joint direction. Pass. 4.根据权利要求1-3任意一项所述的充放气压力监视装置,其特征在于,所述三通与所述气体压力表之间、所述三通与所述充放气阀门之间以及所述三通与所述待监视充气设备之间分别为螺纹连接。4. The inflation and deflation pressure monitoring device according to any one of claims 1-3, characterized in that, between the three-way and the gas pressure gauge, and between the three-way and the inflation and deflation valve There are screw connections between the tee and the inflatable device to be monitored, respectively. 5.根据权利要求1-3任意一项所述的充放气压力监视装置,其特征在于,所述三通与所述气体压力表之间、所述三通与所述充放气阀门之间以及所述三通与所述待监视充气设备之间分别设置有密封结构。5. The inflation and deflation pressure monitoring device according to any one of claims 1-3, characterized in that, between the tee and the gas pressure gauge, and between the tee and the inflation valve A sealing structure is respectively provided between the tee and the inflatable device to be monitored. 6.根据权利要求1-3任意一项所述的充放气压力监视装置,其特征在于,所述充放气阀门的周向设置有环形凸台,所述环形凸台远离所述充放气阀门的一侧边缘呈六边形。6 . The inflation and deflation pressure monitoring device according to claim 1 , wherein an annular boss is provided in the circumferential direction of the inflation and deflation valve, and the annular boss is far away from the charging and discharging. 7 . One side edge of the air valve is hexagonal. 7.根据权利要求1-3任意一项所述的充放气压力监视装置,其特征在于,还包括气压检测装置、报警器以及控制器,所述充放气阀门为电控阀门,所述气压检测装置用于检测所述三通管内或所述待监视的充气设备内的气压,所述气压检测装置与所述控制器的信号输入端连接,所述控制器的信号输出端与所述充放气阀门连接,所述控制器用于在所述气压检测装置检测的气压值超出预设气压上限时控制器所述报警器报警和/或控制所述充放气阀门开启,所述控制器用于在所述气压检测装置检测的气压值低于预设气压下限时控制所述报警器报警。7. The inflation and deflation pressure monitoring device according to any one of claims 1-3, characterized in that, further comprising an air pressure detection device, an alarm and a controller, wherein the inflation and deflation valve is an electronically controlled valve, and the The air pressure detection device is used to detect the air pressure in the three-way pipe or in the inflatable equipment to be monitored, the air pressure detection device is connected with the signal input end of the controller, and the signal output end of the controller is connected with the The inflation and deflation valve is connected, and the controller is used to control the alarm and/or control the inflation and deflation valve to open when the air pressure value detected by the air pressure detection device exceeds the preset air pressure upper limit. The alarm is controlled to give an alarm when the air pressure value detected by the air pressure detection device is lower than the preset air pressure lower limit. 8.一种电气设备,其特征在于,包括设备本体以及如权利要求1-8任意一项所述的充放气压力监视装置,所述充放气压力监视装置安装于所述设备本体。8. An electrical device, characterized by comprising a device body and the inflation and deflation pressure monitoring device according to any one of claims 1-8, wherein the inflation and deflation pressure monitoring device is mounted on the device body. 9.根据权利要求8所述的电气设备,其特征在于,所述设备本体为变压器、电抗器、出线装置以及储油柜中的一种。9 . The electrical equipment according to claim 8 , wherein the equipment body is one of a transformer, a reactor, an outlet device and an oil conservator. 10 .
CN202110885934.8A 2021-08-03 2021-08-03 Electrical equipment and charge-discharge pressure monitoring device Pending CN113586829A (en)

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CN116839798A (en) * 2023-05-29 2023-10-03 红云红河烟草(集团)有限责任公司 Air pressure detection device and method for crimping machine
CN117383098A (en) * 2023-09-27 2024-01-12 广西电网有限责任公司南宁供电局 Transformer oil drum nitrogen injection and pressure maintaining monitoring device

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CN211626799U (en) * 2020-03-04 2020-10-02 沈阳普尔电力科技有限公司 A gas pressure monitoring and compensation device for transformer bushing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116839798A (en) * 2023-05-29 2023-10-03 红云红河烟草(集团)有限责任公司 Air pressure detection device and method for crimping machine
CN117383098A (en) * 2023-09-27 2024-01-12 广西电网有限责任公司南宁供电局 Transformer oil drum nitrogen injection and pressure maintaining monitoring device

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