阅读说明：本技术 一种电气设备以及充放气压力监视装置 (Electrical equipment and charge-discharge pressure monitoring device ) 是由 贺青斌 张超 胡宽海 马晓娟 江坤 于 2021-08-03 设计创作，主要内容包括：本发明涉及一种电气设备以及充放气压力监视装置,该充放气压力监视装置包括气体压力表、三通以及充放气阀门,三通的第一接头与气体压力表连接,三通的第二接头与充放气阀门连接,三通的第三接头用于与待监视的充气设备连接,该充气设备可以为电气设备或其他具有充气结构的设备；上述充放气压力监视装置利用三通将气体压力表以及充放气阀门整合于一体,仅需要在待监视的充气设备设置一个与三通的第三接头适配的安装孔即可实现对待监视的充气设备的气压监测以及充放气,便于安装及操作,避免产品因设置多个安装孔使漏气风险增加,节省材料并保证电气设备运输及存储过程安全可靠。(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.)

1. The charging and discharging pressure monitoring device is characterized by comprising 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, and a third joint of the tee joint is used for being connected with a charging device to be monitored.

2. The inflation and deflation pressure monitoring device as claimed in claim 1, wherein the inflation and deflation valve comprises a valve body and a sealing plug, the second joint of the tee 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 matching way to seal the inflation and deflation port of the valve body.

3. The inflation/deflation pressure monitoring device as claimed in claim 2, wherein the valve body further comprises an inflation connector and a deflation connector, the inflation connector is used for cooperating with the inflation/deflation port of the valve body to realize one-way conduction from the inflation connector to the valve body, and the deflation connector is used for cooperating with the inflation/deflation port of the valve body to realize one-way conduction from the valve body to the inflation connector.

4. The charge-discharge pressure monitoring device according to any one of claims 1 to 3, wherein the three-way pipe is in threaded connection with the gas pressure gauge, the three-way pipe is in threaded connection with the charge-discharge valve, and the three-way pipe is in threaded connection with the inflation equipment to be monitored.

5. The charge-discharge pressure monitoring device according to any one of claims 1 to 3, wherein seal structures are provided between the three-way pipe and the gas pressure gauge, between the three-way pipe and the charge-discharge valve, and between the three-way pipe and the inflation device to be monitored, respectively.

6. The charge-discharge pressure monitoring device according to any one of claims 1 to 3, wherein an annular boss is provided in the circumferential direction of the charge-discharge valve, and an edge of the annular boss on a side away from the charge-discharge valve is hexagonal.

7. The charge-discharge pressure monitoring device according to any one of claims 1 to 3, further comprising an air pressure detection device, an alarm and a controller, wherein the charge-discharge valve is an electrically controlled valve, the air pressure detection device is used for detecting air pressure in the three-way pipe or in the inflation device to be monitored, the air pressure detection device is connected with a signal input end of the controller, a signal output end of the controller is connected with the charge-discharge valve, the controller is used for controlling the alarm to alarm and/or controlling the charge-discharge valve to open when an air pressure value detected by the air pressure detection device exceeds a preset upper air pressure limit, and the controller is used for controlling the alarm to alarm when an air pressure value detected by the air pressure detection device is lower than a preset lower air pressure limit.

8. An electric apparatus comprising an apparatus body and the charge and discharge pressure monitoring device according to any one of claims 1 to 8, the charge and discharge pressure monitoring device being attached to the apparatus body.

9. The electrical equipment of claim 8, wherein the equipment body is one of a transformer, a reactor, a wire outlet device, and a conservator.

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.