Intelligent monitoring system based on density meter and SF6 digital density meter

Abstract

The invention discloses an intelligent monitoring system based on a density meter and an SF6 digital density meter, the intelligent monitoring system comprises a meter body, the side edge of the meter body is connected with a wireless transmission block, in actual use, data collected by the meter body is transmitted through the wireless transmission block, the bottom end of the meter body is further connected with a connecting pipe, and the connecting pipe is connected with the meter body. The detection device is connected with an external detected structure through a connecting pipe; a sealing assembly is further included. The sealing assembly is composed of a downward pressing piece, an abutting piece and a pressing piece, wherein the downward pressing piece is arranged on the connecting pipe in a sleeving mode in a spiral lifting mode. The abutting piece is fixedly arranged in the middle area of the connecting pipe, and the periphery of the abutting piece extends towards the outer portion of the connecting pipe. The pressing piece is located on the bottom end face of the connecting pipe and abuts against the bottom end face of the connecting pipe. Through the designed sealing assembly, a plurality of mutually independent and mutually cooperative sealing layers are formed at key parts of the SF6 digital density meter.

Description

Technical Field

[0001] The invention belongs to the technical field of SF6 digital density meters, and in particular relates to an intelligent monitoring system based on a density meter and a SF6 digital density meter. Background Art

[0002] The SF6 digital density meter is installed on the three-way valve of the GIS to monitor the SF6 gas density in real time and upload the data to the smart edge IoT agent in real time via RS485 / LORA transmission. The smart edge IoT agent stores, displays and processes the received data.

[0003] The sealing design of the currently used SF6 digital density meter is relatively simple, and its sealing mechanism relies on only a single sealing ring to achieve the overall sealing effect. This design is not only simple in structure, lacking the necessary redundancy and complexity to cope with diverse working environments and potential sealing challenges, but also in actual applications, its sealing performance is often unsatisfactory.

[0004] Due to the singleness of the sealing structure, the SF6 digital density meter has a high risk of leakage during use. Once the sealing ring is damaged or loosened due to aging, wear or improper installation, it may cause SF6 gas leakage, which will not only affect the measurement accuracy and stability of the density meter, but also pose a potential threat to the surrounding environment and personnel safety. Summary of the invention

[0005] The purpose of the present invention is to provide an intelligent monitoring system based on a density meter and an SF6 digital density meter to solve the problem that the SF6 digital density meter proposed in the above background technology has insufficient sealing effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an SF6 digital density meter, comprising a meter body, a wireless transmission block is connected to the side of the meter body, in actual use, the data collected by the meter body is transmitted through the wireless transmission block, the bottom end of the meter body is also connected to a connecting pipe, and is connected to an external structure to be detected through the connecting pipe; it also includes a sealing component; the sealing component is composed of a pressing member, a tightening member and a compression member, wherein the pressing member is sleeved on the connecting pipe in a spiral lifting manner, and the connecting pipe and the port position of the connecting device are pressed down and tightened by pressing down to achieve a first level of sealing; the tightening member is fixed in the middle area of ​​the connecting pipe, and the surrounding of the tightening member is extended toward the outside of the connecting pipe, and the inner wall area of ​​the connecting port of the external device is tightened by the extended part, thereby achieving a second level of sealing; the compression member is located at the bottom end surface of the connecting pipe and is pressed against the bottom end surface of the connecting pipe, thereby forming a third level of sealing, and the sealing after connection is improved by the triple sealing to avoid leakage.

[0007] As a preferred technical solution in the present invention, the lower pressure piece includes a tightening ring, the inner wall of the tightening ring is threadedly connected to the outer wall of the connecting pipe, and the threaded connection part between the two is not drawn in the figure. Since this structure is a prior art, it will not be described in detail. The bottom of the tightening ring is also connected to a butt ring, and during installation, the butt ring is used to achieve a compression seal with the interface position of the external device.

[0008] As a preferred technical solution in the present invention, a connecting column is fixed at an equal angle on the top of the abutment ring, and a hole is provided on the bottom end surface of the tightening ring for the connecting column to be inserted through interference fit, so as to achieve a stable connection between the two. The connecting column and the abutment ring are rubber components, and the tightening ring is a plastic component. All three have the function of deformation, thereby achieving normal assembly and sealing.

[0009] As a preferred technical solution in the present invention, an annular groove is provided in the middle section of the threaded area where the connecting pipe is connected to the external device, and the fastening member includes a sealing rubber ring sleeved on the annular groove, the sealing rubber ring having a vertical portion and an inclined portion, wherein the inner wall of the vertical portion is fitted with the inner wall of the annular groove, and a plurality of locking rings are sleeved on the outer surface of the vertical portion, the locking rings are abutted against the sealing rubber ring, thereby improving the stability of the installation position of the sealing rubber ring, and the inclined portion gradually expands and inclines from the bottom of the connecting pipe toward the top, and in the port connection between the connecting pipe and the external device, a tight seal will be achieved in the middle of the connection area, and at the same time, it can ensure that the normal threaded connection is not affected.

[0010] As a preferred technical solution in the present invention, the bottom end of the connecting pipe is provided with a flared groove with an isosceles trapezoidal longitudinal section, a bottom ring is inserted into the flared groove, and a third seal is achieved by the bottom ring being pressed against the external device interface.

[0011] As a preferred technical solution in the present invention, a protective mirror is installed on the inner side of the front surface of the watch body, a mounting shaft is installed at the center position of the protective mirror, a scraper rotating around its axis is sleeved on the mounting shaft, the scraper is in contact with the surface of the protective mirror, and the surface of the protective mirror is cleaned by rotating the scraper.

[0012] As a preferred technical solution in the present invention, a groove is provided on the side of the scraper facing the protective mirror, and a sponge is placed in the groove to achieve cleaning and wiping.

[0013] The present invention also discloses an intelligent monitoring system based on a density meter, including a SF6 digital density meter. The intelligent monitoring system includes a main control terminal and a

[0014] Automatic calibration module, which automatically calibrates the SF6 digital density meter according to preset parameters to ensure the accuracy of the measurement results;

[0015] The data recording module receives the detection data of the SF6 digital density meter, records the monitoring data synchronously, and stores it in the internal memory or cloud server;

[0016] Intelligent early warning module, which conducts intelligent analysis on monitoring data according to preset thresholds and automatically triggers early warning or alarm mechanisms when data exceeds the thresholds;

[0017] The data analysis module conducts in-depth analysis on the monitoring data of the SF6 digital density meter, extracts valuable information, and displays it visually in the form of charts and reports;

[0018] The remote monitoring module monitors and controls the monitoring system in real time through the remote network, including viewing real-time data and adjusting monitoring parameters.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] Through the designed sealing components, multiple independent and cooperative sealing layers are formed at the key parts of the SF6 digital density meter. These sealing layers can not only effectively prevent the leakage of SF6 gas, but also provide additional safety protection when facing external factors such as pressure changes and temperature changes. In addition, the design of multiple sealing areas also enhances the overall structural strength of the SF6 digital density meter, so that it can still maintain excellent sealing performance and measurement accuracy when facing harsh working environments such as vibration and impact. This design not only improves the reliability and durability of the SF6 digital density meter, but also provides users with more stable and accurate measurement results. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 A cross-sectional view of the connection between the connecting pipe and the sealing assembly of the present invention;

[0023] Figure 3 For the present invention Figure 2 A magnified schematic diagram of the middle A area;

[0024] Figure 4 This is a schematic diagram of the structure of the present invention when the protective glasses are removed;

[0025] Figure 5 It is a system diagram of the present invention.

[0026] In the figure:

[0027] 100, meter body; 101, wireless transmission block; 102, connecting pipe; 103, ring groove; 104, expansion groove;

[0028] 200, tightening ring; 201, sealing rubber ring; 202, connecting column; 203, abutment ring; 204, locking ring; 205, bottom ring;

[0029] 300, protective glass; 301, scraper; 302, mounting shaft. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] See also Figures 1 to 5 The present invention provides a technical solution: a SF6 digital density meter, comprising

[0032] The meter body 100 has a wireless transmission block 101 connected to the side of the meter body 100. In actual use, the data collected by the meter body 100 is transmitted through the wireless transmission block 101. The bottom of the meter body 100 is also connected to a connecting pipe 102, which is connected to the external structure to be detected through the connecting pipe 102;

[0033] Also includes

[0034] Sealing assembly; the sealing assembly is composed of a pressing member, a pressing member and a pressing member, wherein

[0035] The pressing member is sleeved on the connecting pipe 102 in a spiral lifting manner, and the connecting pipe 102 and the port position of the connecting device are pressed down and tightly pressed by pressing down, thereby achieving the first level of sealing;

[0036] The fastening member is fixed in the middle area of ​​the connecting pipe 102, and the four sides of the fastening member are extended toward the outside of the connecting pipe 102, and the extended part is fastened to the inner wall area of ​​the connecting port of the external device, so as to achieve the second level of sealing;

[0037] The pressing piece is located at the bottom end surface of the connecting tube 102 and is pressed against the bottom end surface of the connecting tube 102 to form a third seal. The triple seal can improve the sealing performance after the connection to avoid leakage.

[0038] In this embodiment, the lower pressure piece includes a tightening ring 200, and the inner wall of the tightening ring 200 is threadedly connected to the outer wall of the connecting pipe 102. The threaded connection part between the two is not drawn in the figure. Since this structure is a prior art, it will not be described in detail. The bottom of the tightening ring 200 is also connected to a retaining ring 203. During installation, the retaining ring 203 is used to achieve a compression seal with the interface position of the external device.

[0039] In this embodiment, a connecting column 202 is fixed at an equal angle to the top of the butt ring 203, and a hole is provided on the bottom end surface of the tightening ring 200 for the connecting column 202 to be inserted through interference, so as to achieve a stable connection between the two. The connecting column 202 and the butt ring 203 are rubber components, and the tightening ring 200 is a plastic component. All three have the function of deformation, thereby achieving normal assembly and sealing.

[0040] In this embodiment, an annular groove 103 is provided in the middle section of the threaded area where the connecting pipe 102 is connected to the external device, and the tightening member includes a sealing rubber ring 201 sleeved on the annular groove 103, and the sealing rubber ring 201 has a vertical portion and an inclined portion, wherein the inner wall of the vertical portion is in contact with the inner wall of the annular groove 103, and a plurality of locking rings 204 are sleeved on the outer surface of the vertical portion, and the locking rings 204 are abutted against the sealing rubber ring 201 to improve the stability of the installation position of the sealing rubber ring 201, and the inclined portion gradually expands and inclines from the bottom of the connecting pipe 102 toward the top, and in the port connection between the connecting pipe 102 and the external device, a tight seal will be achieved in the middle of the connection area, and at the same time, it can ensure that the normal threaded connection is not affected.

[0041] In this embodiment, a flared groove 104 with an isosceles trapezoidal longitudinal section is provided at the bottom end of the connecting tube 102, a bottom ring 205 is inserted into the flared groove 104, and the third sealing is achieved by the tight contact between the bottom ring 205 and the external device interface.

[0042] In this embodiment, a protective mirror 300 is installed on the inner side of the front surface of the watch body 100, and a mounting shaft 302 is installed at the center position of the protective mirror 300. A scraper 301 that rotates around its axis is sleeved on the mounting shaft 302. The scraper 301 is in contact with the surface of the protective mirror 300, and the surface of the protective mirror 300 is cleaned by rotating the scraper 301.

[0043] In this embodiment, a groove is formed on the side of the scraper 301 facing the protective mirror 300, and a sponge is placed in the groove to achieve cleaning and wiping.

[0044] The present invention also discloses an intelligent monitoring system based on a density meter, including a SF6 digital density meter. The intelligent monitoring system includes a main control terminal and a

[0045] Automatic calibration module, which automatically calibrates the SF6 digital density meter according to preset parameters to ensure the accuracy of the measurement results;

[0046] The data recording module receives the detection data of the SF6 digital density meter, records the monitoring data synchronously, and stores it in the internal memory or cloud server;

[0047] Intelligent early warning module, which conducts intelligent analysis on monitoring data according to preset thresholds and automatically triggers early warning or alarm mechanisms when data exceeds the thresholds;

[0048] The data analysis module conducts in-depth analysis on the monitoring data of the SF6 digital density meter, extracts valuable information, and displays it visually in the form of charts and reports;

[0049] The remote monitoring module monitors and controls the monitoring system in real time through the remote network, including viewing real-time data and adjusting monitoring parameters.

[0050] Although embodiments of the present invention have been shown and described (see the above detailed description for details), it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A SF6 digital density meter, comprising: A watch body (100), a wireless transmission block (101) being connected to a side of the watch body (100); Features: Also includes Sealing assembly; the sealing assembly is composed of a pressing member, a pressing member and a pressing member, wherein The pressing member is sleeved on the connecting pipe (102) in a spiral lifting manner; The abutting piece is fixedly arranged in the middle area of ​​the connecting pipe (102), and the surrounding of the abutting piece extends toward the outside of the connecting pipe (102); The pressing piece is located at the bottom end surface of the connecting tube (102) and is pressed tightly against the bottom end surface of the connecting tube (102).

2. The SF6 digital density meter according to claim 1, characterized in that: The pressing member comprises a tightening ring (200), the inner wall of the tightening ring (200) is threadedly connected to the outer wall of the connecting pipe (102), and the bottom of the tightening ring (200) is also connected to a butt ring (203).

3. A SF6 digital density meter according to claim 2, characterized in that: A connecting column (202) is fixed at an equal angle on the top of the collar (203), and a hole is provided on the bottom end surface of the tightening ring (200) for the connecting column (202) to be inserted through interference fit. The connecting column (202) and the collar (203) are rubber components, while the tightening ring (200) is a plastic component.

4. The SF6 digital density meter according to claim 2, characterized in that: An annular groove (103) is provided in the middle section of the threaded area where the connecting pipe (102) is connected to the external device. The abutting member comprises a sealing rubber ring (201) sleeved on the annular groove (103). The sealing rubber ring (201) has a vertical portion and an inclined portion, wherein the inner wall of the vertical portion is in contact with the inner wall of the annular groove (103), and a plurality of locking rings (204) are sleeved on the outer surface of the vertical portion. The locking rings (204) abut against the sealing rubber ring (201), and the inclined portion gradually expands and inclines from the bottom of the connecting pipe (102) toward the top.

5. The SF6 digital density meter according to claim 4, characterized in that: The bottom end of the connecting pipe (102) is provided with an expansion groove (104) whose longitudinal section is an isosceles trapezoid, and a bottom ring (205) is inserted into the expansion groove (104).

6. The SF6 digital density meter according to claim 1, characterized in that: A protective mirror (300) is installed on the inner side of the front surface of the watch body (100), a mounting shaft (302) is installed at the center of the protective mirror (300), a scraper (301) rotating around its axis is sleeved on the mounting shaft (302), and the scraper (301) is in contact with the surface of the protective mirror (300).

7. The SF6 digital density meter according to claim 6, characterized in that: The scraper (301) is provided with a groove at the side facing the protective mirror (300), and a sponge is placed in the groove.

8. An intelligent monitoring system based on a density meter, comprising the SF6 digital density meter as claimed in any one of claims 1 to 7, characterized in that: The intelligent monitoring system includes a main control terminal and a Automatic calibration module, which automatically calibrates the SF6 digital density meter according to preset parameters to ensure the accuracy of the measurement results; The data recording module receives the detection data of the SF6 digital density meter, records the monitoring data synchronously, and stores it in the internal memory or cloud server; Intelligent early warning module, which conducts intelligent analysis on monitoring data according to preset thresholds and automatically triggers early warning or alarm mechanisms when data exceeds the thresholds; The data analysis module conducts in-depth analysis on the monitoring data of the SF6 digital density meter, extracts valuable information, and displays it visually in the form of charts and reports; The remote monitoring module monitors and controls the monitoring system in real time through the remote network, including viewing real-time data and adjusting monitoring parameters.

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