CN218769326U

CN218769326U - Online sampling density relay with protection function

Info

Publication number: CN218769326U
Application number: CN202223031127.9U
Authority: CN
Inventors: 韦良菊
Original assignee: Guangdong Shengbolai Electric Power Technology Co ltd
Current assignee: Guangdong Shengbolai Electric Power Technology Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-28
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses an online sampling density relay with protect function, including setting up the main part shell between instruction disk and connection shell, one side border position fixedly connected with first external screw thread crown plate of instruction disk close to the main part shell, first thread groove has been seted up to the lateral wall of main part shell, the main part shell has been close to one side border position of connecting the shell and has been seted up the second thread groove, fixedly connected with second external screw thread crown plate on the lateral wall of connecting the shell, the main part shell is close to one side intermediate position fixedly connected with internal thread pipe of connecting the shell. The utility model has the advantages that: replace traditional integral type structure, had convenient aggregate erection function, also be favorable to density relay's quick dismantlement to be overhauld, and can avoid the outside air to enter into density relay's inside and influence gaseous on-line sampling, had fine sealed protect function, ensured density relay's accurate action.

Description

Online sampling density relay with protection function

Technical Field

The utility model relates to a relay field, in particular to online sampling density relay with protect function.

Background

The density relay is generally used for monitoring and controlling the density of insulating gas in high-voltage electrical equipment, a contact signal control loop is arranged in the density relay, a gas path of the gas density relay is communicated with a gas chamber of the high-voltage electrical equipment, when gas leakage is detected, a contact of the gas density relay acts to generate a contact signal, and the contact signal control loop gives an alarm or locks according to the contact signal, so that the safe operation of the electrical equipment is ensured.

However, in the prior art, most of density relays are integrated structures, and when the inside of the density relay breaks down, the inside of the density relay is difficult to overhaul and maintain, and the tightness of the density relay after overhauling is poor, so that the precision of the action of the density relay is easily influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an online sampling density relay with protect function, because most density relays all are the structure of integral type, when density relay's inside breaks down, be difficult to overhaul its inside and maintain, and density relay leakproofness after overhauing is relatively poor, influences the precision of density relay action easily.

In order to solve the technical problem, the utility model discloses a technical scheme does:

the utility model provides an online sampling density relay with protect function, is including setting up the main part shell between instruction disk and connection shell, the instruction disk is close to the first external screw thread crown plate of one side border position fixedly connected with of main part shell, first thread groove has been seted up to the lateral wall of main part shell, the main part shell is close to one side border position of connection shell and has been seted up the second thread groove, fixedly connected with second external screw thread crown plate on the lateral wall of connection shell, the main part shell is close to one side intermediate position fixedly connected with internal thread pipe of connection shell, the lateral surface intermediate position of connection shell runs through and is provided with fastening screw.

As a further aspect of the utility model, first external screw thread crown plate is located the inside of first thread groove, and the dial is connected with main part shell card through the first thread groove of first external screw thread crown plate cooperation.

As a further aspect of the utility model, the second external screw thread crown plate is located the inside of second thread groove, and connects the shell and pass through second external screw thread crown plate cooperation second thread groove and main part shell joint.

As a further scheme of the utility model, fastening screw passes and connects shell and internal thread pipe thread connection, the lateral surface of connecting the shell is provided with connector and connection terminal respectively.

As a further scheme of the utility model, the first seal ring board of a side edge position fixedly connected with and the second seal ring board that the instruction dish is close to the main part shell, first seal groove and second seal groove have been seted up on the lateral wall of main part shell, the main part shell is close to the opposite side with the lateral surface of connecting the shell and has fixed first magnet ring and the second magnet ring of having cup jointed respectively, first magnet ring fills up with the first seal ring of fixedly connected with and the second seal ring pad in the outside of second magnet ring respectively, fixedly connected with third seal ring board on the fastening screw.

As a further aspect of the present invention, the first sealing ring plate and the second sealing ring plate are respectively located inside the first sealing groove and the second sealing groove, and the first sealing ring plate and the second sealing ring plate are respectively located on both sides of the first external thread ring plate, and the first sealing ring plate is located inside the second sealing ring plate.

As a further aspect of the present invention, first magnet ring and second magnet ring attract each other, first seal ring pad and second seal ring pad looks joint, and the third seal groove has been seted up to one side intermediate position that the main part shell was kept away from to the joint shell, and the third seal ring plate is located the inside of third seal groove.

By adopting the technical scheme, the indicating disc is fixedly clamped on one side of the main body shell through the threaded connection between the first external thread ring plate and the first thread groove, the connecting shell is fixedly clamped on the other side of the main body shell through the threaded connection between the second external thread ring plate and the second thread groove, and then the fastening screw penetrates through the connecting shell to be in threaded connection with the internal thread pipe;

when the indicating disc is connected with the main body shell in a clamping mode, the first sealing ring plate and the second sealing ring plate are respectively inserted into the first sealing groove and the second sealing groove, when the connecting shell is connected with the main body shell in a clamping mode, the first magnet ring and the second magnet ring are attracted, the first sealing ring gasket is tightly connected with the second sealing ring gasket, meanwhile, the third sealing ring plate is located inside the third sealing groove, the situation that external air enters the inside of the density relay and influences on-line sampling of gas can be avoided, the sealing protection function is good, and accurate action of the density relay is guaranteed.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic overall sectional structure of the present invention;

FIG. 3 is a schematic view of the connection structure between the indicating plate and the main body case;

fig. 4 is a schematic view of the connection structure of the middle body shell and the connection shell of the present invention.

In the figure: 1. a main body case; 2. an indicator panel; 3. a connecting shell; 4. a connector; 5. a wire holder; 6. a first externally threaded ring plate; 7. a first seal ring plate; 8. a second seal ring plate; 9. a first thread groove; 10. a first seal groove; 11. a second seal groove; 12. a second external thread ring plate; 13. a second thread groove; 14. an internally threaded tube; 15. fastening a screw rod; 16. a third seal ring plate; 17. a first magnet ring; 18. a second magnetic ring; 19. a first seal ring gasket; 20. a second seal ring gasket.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

The present application is described in further detail below with reference to figures 1-4.

Example 1:

this embodiment is shown with reference to fig. 1-4, and the utility model provides a technical scheme: an online sampling density relay with a protection function comprises a main body shell 1 arranged between an indicating dial 2 and a connecting shell 3, wherein a first external thread annular plate 6 is fixedly connected to the edge position of one side, close to the main body shell 1, of the indicating dial 2, a first thread groove 9 is formed in the side wall of the main body shell 1, a second thread groove 13 is formed in the edge position of one side, close to the connecting shell 3, of the main body shell 1, a second external thread annular plate 12 is fixedly connected to the side wall of the connecting shell 3, an internal thread pipe 14 is fixedly connected to the middle position of one side, close to the connecting shell 3, of the main body shell 1, a fastening screw 15 penetrates through the middle position of the outer side face of the connecting shell 3, the first external thread annular plate 6 is located inside the first thread groove 9, the indicating dial 2 is matched with the first clamping groove 9 through the first external thread annular plate 6 and is fixedly connected with the main body shell 1, the second external thread annular plate 12 is located inside the second thread groove 13, the connecting shell 3 is matched with the second thread groove 13 through the second external thread annular plate 12 and fixedly connected with the main body shell 1, the connecting seat 14, and the connecting seat 4 and the internal thread pipe 5 are respectively arranged on the outer side face of the connecting shell 3;

it is specific, threaded connection through first external screw thread crown plate 6 and first thread groove 9 is with the solid connection of indicator panel 2 card in one side of main part shell 1, the solid connection of rethread second external screw thread crown plate 12 and the threaded connection of second thread groove 13 will be connected 3 cards of shell and is connected the opposite side at main part shell 1, pass connecting shell 3 and internal thread pipe 14 threaded connection with fastening screw 15 immediately, indicator panel 2 this moment, main part shell 1 and connecting shell 3 form a whole, traditional integral type structure has been replaced, convenient built-up mounting function has, also be favorable to the quick dismantlement of density relay to overhaul.

Example 2:

this embodiment is shown with reference to fig. 2-4, the utility model provides a technical scheme: an on-line sampling density relay with a protection function is characterized in that a first sealing ring plate 7 and a second sealing ring plate 8 are fixedly connected to the edge position of one side, close to a main body shell 1, of an indicating disc 2, a first sealing groove 10 and a second sealing groove 11 are formed in the side wall of the main body shell 1, a first magnet ring 17 and a second magnet ring 18 are fixedly connected to the outer side surfaces, close to the opposite sides, of the main body shell 1 and a connecting shell 3 respectively, a first sealing ring gasket 19 and a second sealing ring gasket 20 are fixedly connected to the outer sides of the first magnet ring 17 and the second magnet ring 18 respectively, a third sealing ring plate 16 is fixedly connected to a fastening screw 15, the first sealing ring plate 7 and the second sealing ring plate 8 are located inside the first sealing groove 10 and the second sealing groove 11 respectively, the first sealing ring plate 7 and the second sealing ring plate 8 are located on the two sides of the first external thread ring plate 6 respectively, the first sealing ring plate 7 is located on the inner side of the second sealing ring plate 8, the first magnet ring plate 17 and the second sealing ring gasket 18 are attracted, the first sealing ring gasket 19 and the second sealing ring gasket 19 is connected to the middle of the third sealing ring plate 16, and the third sealing ring plate is located on the side, which is far away from the sealing ring plate 1;

specifically, when the indicating disc 2 is fixedly connected with the main body shell 1 in a clamping manner, the first sealing ring plate 7 and the second sealing ring plate 8 are respectively inserted into the first sealing groove 10 and the second sealing groove 11, and when the connecting shell 3 is fixedly connected with the main body shell 1 in a clamping manner, the first magnet ring 17 and the second magnet ring 18 are attracted, the first sealing ring gasket 19 and the second sealing ring gasket 20 are tightly connected, meanwhile, the third sealing ring plate 16 is positioned inside the third sealing groove, so that the phenomenon that external air enters the inside of the density relay to influence on-line gas sampling can be avoided, a good sealing protection function is achieved, and accurate action of the density relay is ensured.

The working principle is as follows: firstly, a worker fixedly connects an indicating disc 2 to one side of a main body shell 1 in a clamping mode through threaded connection of a first external thread ring plate 6 and a first thread groove 9, then fixedly connects a connecting shell 3 to the other side of the main body shell 1 in a clamping mode through threaded connection of a second external thread ring plate 12 and a second thread groove 13, and then fixedly connects a fastening screw 15 to the other side of the main body shell 1 through the connecting shell 3 and an internal thread pipe 14 in a threaded connection mode, at the moment, the indicating disc 2, the main body shell 1 and the connecting shell 3 form a whole body, a traditional integrated structure is replaced, the device has a convenient combined installation function, and is also beneficial to quick disassembly and maintenance of a density relay, when the indicating disc 2 is fixedly connected with the main body shell 1 in a clamping mode, a first sealing ring plate 7 and a second sealing ring plate 8 are respectively inserted into a first sealing groove 10 and a second sealing groove 11, when the connecting shell 3 is fixedly connected with the main body shell 1, a first magnet ring 17 and a second magnet ring 18 are attracted, a first sealing ring gasket 19 and a second sealing ring gasket 20 are tightly connected, and a third sealing ring plate 16 is located in a good air sealing ring for accurately protecting the density relay from entering an external air sampling relay, and accurately protecting relay.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides an online sampling density relay with protect function, is including setting up main part shell (1) between dial (2) and connection shell (3), its characterized in that: the indicating dial (2) is close to the first external screw thread crown plate (6) of one side edge position fixedly connected with of main part shell (1), first thread groove (9) have been seted up to the lateral wall of main part shell (1), second thread groove (13) have been seted up to one side edge position that main part shell (1) is close to connecting shell (3), fixedly connected with second external screw thread crown plate (12) on the lateral wall of connecting shell (3), one side intermediate position fixedly connected with internal thread pipe (14) that main part shell (1) is close to connecting shell (3), the lateral surface intermediate position of connecting shell (3) runs through and is provided with fastening screw (15).

2. The on-line sampling density relay with the protection function according to claim 1, characterized in that: the first external thread ring plate (6) is located inside the first thread groove (9), and the indicating disc (2) is fixedly clamped and connected with the main body shell (1) through the first external thread ring plate (6) matched with the first thread groove (9).

3. The on-line sampling density relay with the protection function according to claim 1, characterized in that: the second external thread ring plate (12) is located inside the second thread groove (13), and the connecting shell (3) is fixedly connected with the main body shell (1) in a clamping mode through the second external thread ring plate (12) matched with the second thread groove (13).

4. The on-line sampling density relay with the protection function according to claim 1, characterized in that: fastening screw (15) pass and connect shell (3) and internal thread pipe (14) threaded connection, the lateral surface of connecting shell (3) is provided with connector (4) and connection terminal (5) respectively.

5. The on-line sampling density relay with the protection function according to claim 1, characterized in that: the utility model discloses a magnetic iron core, including indicating dial (2), the first sealed crown plate of one side edge position fixedly connected with (7) and the second sealed crown plate (8) of main body shell (1) are close to in instruction dish (2), first seal groove (10) and second seal groove (11) have been seted up on the lateral wall of main body shell (1), main body shell (1) and the lateral surface of being connected shell (3) are close to the opposite side and have fixed the cup joint respectively and have been had first magnet ring (17) and second magnet ring (18), the outside of first magnet ring (17) and second magnet ring (18) is the first sealed crown plate of fixedly connected with (19) and second sealed crown plate (20) respectively, fixedly connected with third sealed crown plate (16) on fastening screw (15).

6. The on-line sampling density relay with the protection function according to claim 5, characterized in that: the first sealing ring plate (7) and the second sealing ring plate (8) are respectively located inside the first sealing groove (10) and the second sealing groove (11), the first sealing ring plate (7) and the second sealing ring plate (8) are respectively located on two sides of the first external thread ring plate (6), and the first sealing ring plate (7) is located on the inner side of the second sealing ring plate (8).

7. The on-line sampling density relay with the protection function according to claim 5, characterized in that: first magnet ring (17) and second magnet ring (18) attract mutually to close, first seal ring pad (19) and second seal ring pad (20) looks joint, connect shell (3) and keep away from one side intermediate position of main part shell (1) and seted up the third seal groove, and third seal ring board (16) are located the inside of third seal groove.