CN221302600U - SF6 gas density relay indicating device - Google Patents
SF6 gas density relay indicating device Download PDFInfo
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- CN221302600U CN221302600U CN202323264095.1U CN202323264095U CN221302600U CN 221302600 U CN221302600 U CN 221302600U CN 202323264095 U CN202323264095 U CN 202323264095U CN 221302600 U CN221302600 U CN 221302600U
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- wheel shell
- diameter surface
- inner wheel
- wheel housing
- outer wheel
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- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of SF6 gas detection, in particular to an SF6 gas density relay indicating device. This SF6 gas density relay indicating device includes: an inner wheel housing disposed on the relay observation window; the outer wheel shell is rotatably arranged on the outer diameter surface of the inner wheel shell and is suitable for being driven by external force to rotate along the outer diameter surface of the inner wheel shell; the indicating piece is fixedly arranged on the outer wheel shell and points to the scales of the relay. Through setting up interior wheel casing on relay observation window, outer wheel casing rotatable setting is on interior wheel casing's outer diameter face, and the setting of indicator is on outer wheel casing, can rotate along with outer wheel casing together, conveniently adjusts the position of indicator to judge SF6 gas pressure through the position of relay pointer and indicator and change, can prevent effectively that the observation window from causing the damage when erasing the sign, influence the steady operation of equipment.
Description
Technical Field
The utility model relates to the technical field of SF6 gas detection, in particular to an SF6 gas density relay indicating device.
Background
SF6 gas density relay is a device commonly used for monitoring gas pressure of Gas Insulated Switchgear (GIS), which integrates pressure measurement and limit switch into one device for displaying each gas chamber pressure and SF6 pressure low protection in GIS device. In order to check the pressure change condition of SF6 gas, operators often score lines on the observation window of the SF6 gas density relay, and judge the pressure change through the positions of the pointer and the mark. However, as the SF6 gas density relay adopts a glass observation window, the drawn mark is easy to erase or difficult to erase, and in the erasing process, the observation window is extremely inconvenient and even possibly damaged, so that the stable operation of the equipment is affected.
Disclosure of utility model
Therefore, the technical problem to be solved by the utility model is that the mark drawn by the observation window is easy to erase or difficult to erase, and in the process of erasing, the observation window is extremely inconvenient or even possibly damaged, and the stable operation of the equipment is affected, so that the SF6 gas density relay indicating device is provided.
In order to solve the above problems, the present utility model provides an SF6 gas density relay indicating apparatus comprising:
An inner wheel housing disposed on the relay observation window;
The outer wheel shell is rotatably arranged on the outer diameter surface of the inner wheel shell and is suitable for being driven by external force to rotate along the outer diameter surface of the inner wheel shell;
The indicating piece is fixedly arranged on the outer wheel shell and points to the scales of the relay.
Further, the internal diameter of the outer wheel shell is larger than the external diameter of the inner wheel shell, a sliding piece is arranged between the outer wheel shell and the inner wheel shell, the sliding piece is arranged on the internal diameter surface of the outer wheel shell and is in sliding connection with the external diameter surface of the inner wheel shell, and the outer wheel shell is in rotary connection with the external diameter surface of the inner wheel shell through the sliding piece.
Further, a limiting piece for limiting the outer wheel shell is arranged on the inner wheel shell.
Further, the inner diameter surface of the outer wheel housing is provided with a groove, and the sliding piece is arranged in the groove.
Further, the sliding piece is a ball, the ball is rotatably arranged in the groove, the surface of the ball is attached to the outer diameter surface of the inner wheel shell, and the ball is suitable for moving along the outer diameter surface of the inner wheel shell and driving the outer wheel shell to rotate along the outer diameter surface of the inner wheel shell.
Further, the limiting piece is a buckle, the buckle is rotatably arranged on the inner wheel shell, and the buckle is provided with a first state of limiting the outer wheel shell after rotating and a second state of releasing the limiting of the outer wheel shell after rotating.
Further, the inner wheel housing is detachably arranged on the relay observation window.
Further, a plurality of balls are arranged between the outer wheel housing and the inner wheel housing.
The utility model has the following advantages:
The utility model discloses an SF6 gas density relay indicating device, which is characterized in that an inner wheel shell is arranged on a relay observation window, an outer wheel shell is rotatably arranged on the outer diameter surface of the inner wheel shell, an indicating piece is arranged on the outer wheel shell and can rotate along with the outer wheel shell, and the position of the indicating piece is convenient to adjust, so that the SF6 gas pressure change is judged through the positions of a relay pointer and the indicating piece, and further, the damage to the observation window during the erasure of a mark can be effectively prevented, and the stable operation of equipment is influenced.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an SF6 gas density relay indicating device in an embodiment of the present utility model;
Reference numerals illustrate:
1. an inner wheel housing; 2. an outer wheel housing; 3. an indicator; 4. a ball; 5. and (5) a buckle.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1, this embodiment discloses an indication device for an SF6 gas density relay, which includes: an inner wheel housing 1, an outer wheel housing 2 and an indicator 3. The inner wheel housing 1 is arranged on the relay observation window. The outer wheel housing 2 is rotatably arranged on the outer diameter surface of the inner wheel housing 1, and the outer wheel housing 2 is suitable for being driven by external force to rotate along the outer diameter surface of the inner wheel housing 1. The indicator 3 is fixedly arranged on the outer wheel housing 2, and the indicator 3 points to the scales of the relay.
Specifically, the inner wheel housing 1 is of a hollow annular structure, the inner diameter of the inner wheel housing 1 is the same as the outer diameter of the relay observation window, and the inner wheel housing 1 is arranged on the relay observation window. The outer wheel housing 2 is of a hollow annular structure, the outer wheel housing 2 is rotatably arranged on the outer diameter surface of the inner wheel housing 1, the outer wheel housing 2 can rotate relatively along the outer diameter surface of the inner wheel housing 1, the indicator 3 is fixedly arranged on the outer wheel housing 2, the indicator 3 points to scales of the relay, and the indicator 3 can rotate along with the outer wheel housing 2. The operation and maintenance personnel rotate the outer wheel shell 2 to enable the indicator 3 to move until the indicator 3 is moved to the position right above the relay pointer, and after a period of time, the position of the relay pointer is observed, so that the SF6 gas pressure change condition in the period of time can be obtained.
Preferably, in this embodiment, the indicator 3 is a pointer.
Further, the inner wheel housing 1 is detachably arranged on the relay observation window. Preferably, the inner wheel housing 1 may be fastened to the relay viewing window, or the inner wheel housing 1 may be screwed to the relay viewing window.
Further, the inner diameter of the outer wheel housing 2 is larger than the outer diameter of the inner wheel housing 1, a sliding piece is arranged between the outer wheel housing 2 and the inner wheel housing 1, the sliding piece is arranged on the inner diameter surface of the outer wheel housing 2, the sliding piece is in sliding connection with the outer diameter surface of the inner wheel housing 1, and the outer wheel housing 2 is in rotary connection with the outer diameter surface of the inner wheel housing 1 through the sliding piece.
Specifically, as shown in fig. 1, the inner diameter of the outer wheel housing 2 is larger than the outer diameter of the inner wheel housing 1, a gap is formed between the inner diameter surface of the outer wheel housing 2 and the outer diameter surface of the inner wheel housing 1, a sliding piece is arranged in the gap, the sliding piece is arranged at the inner diameter of the outer wheel housing 2, the sliding piece is in sliding connection with the outer diameter surface of the wheel housing, and the outer wheel housing 2 can be in rotational connection with the outer diameter surface of the inner wheel housing 1 through the sliding piece.
Further, the inner diameter surface of the outer wheel housing 2 has a groove in which the slider is disposed.
Further, the sliding piece is a ball 4, the ball 4 is rotatably arranged in the groove, the surface of the ball 4 is attached to the outer diameter surface of the inner wheel housing 1, and the ball 4 is suitable for moving along the outer diameter surface of the inner wheel housing 1 and driving the outer wheel housing 2 to rotate along the outer diameter surface of the inner wheel housing 1.
Specifically, as shown in fig. 1, the inner diameter surface of the outer wheel housing 2 is provided with a groove, the ball 4 is rotatably arranged in the groove, the surface of the ball 4 is attached to the outer diameter surface of the inner wheel housing 1, the inner wheel housing 1 is fixed on the relay observation window, and under the relative acting force, the ball 4 moves along the outer diameter surface of the inner wheel housing 1 to drive the outer wheel housing 2 to rotate along the outer diameter surface.
Further, a plurality of balls 4 are provided between the outer casing 2 and the inner casing 1.
Preferably, in the present embodiment, four balls 4 are provided between the outer wheel housing 2 and the inner wheel housing 1, and the four balls 4 are provided at uniform intervals. In other alternative embodiments, five or six or other numbers of balls 4 may be provided between the outer wheel housing 2 and the inner wheel housing 1.
Further, a stopper for limiting the outer wheel housing 2 is provided on the inner wheel housing 1. After the outer wheel housing 2 rotates to a proper position, the limiting piece can limit the outer wheel housing 2, so that the position of the indicating piece 3 is prevented from being changed due to the rotation of the outer wheel housing 2, and the obtained data is prevented from being wrong or deviated.
Further, the limiting piece is a buckle 5, the buckle 5 is rotatably arranged on the inner wheel housing 1, the buckle 5 is provided with a first state of limiting the outer wheel housing 2 after rotation, and a second state of releasing the limiting of the outer wheel housing 2 after rotation.
Specifically, as shown in fig. 1, the limiting member is a buckle 5, the buckle 5 can rotate towards the direction close to the outer wheel housing 2 or the direction far away from the outer wheel housing 2, the buckle 5 rotates towards the direction close to the outer wheel housing 2 and cooperates with the outer wheel housing 2 to limit the outer wheel housing 2, and the state is a first state; the buckle 5 rotates in a direction away from the outer wheel housing 2, and releases the limit of the outer wheel housing 2, which is the second state.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (8)
1. An SF6 gas density relay indicator comprising:
An inner wheel housing (1) arranged on the relay observation window;
The outer wheel shell (2) is rotatably arranged on the outer diameter surface of the inner wheel shell (1), and the outer wheel shell (2) is suitable for being driven by external force to rotate along the outer diameter surface of the inner wheel shell (1);
The indicating piece (3) is fixedly arranged on the outer wheel shell (2), and the indicating piece (3) points to the scales of the relay.
2. The SF6 gas density relay indicator of claim 1, wherein:
The inner diameter of the outer wheel shell (2) is larger than the outer diameter of the inner wheel shell (1), a sliding piece is arranged between the outer wheel shell (2) and the inner wheel shell (1), the sliding piece is arranged on the inner diameter surface of the outer wheel shell (2), the sliding piece is in sliding connection with the outer diameter surface of the inner wheel shell (1), and the outer wheel shell (2) is in rotary connection with the outer diameter surface of the inner wheel shell (1) through the sliding piece.
3. The SF6 gas density relay indicator of claim 2, wherein:
And a limiting part for limiting the outer wheel shell (2) is arranged on the inner wheel shell (1).
4. The SF6 gas density relay indicator of claim 2, wherein:
The inner diameter surface of the outer wheel housing (2) is provided with a groove, and the sliding piece is arranged in the groove.
5. The SF6 gas density relay indicator of claim 4, wherein:
The sliding part is a ball (4), the ball (4) is rotatably arranged in the groove, the surface of the ball (4) is attached to the outer diameter surface of the inner wheel shell (1), and the ball (4) is suitable for moving along the outer diameter surface of the inner wheel shell (1) and driving the outer wheel shell (2) to rotate along the outer diameter surface of the inner wheel shell (1).
6. A SF6 gas density relay indicator according to claim 3, wherein:
The limiting part is a buckle (5), the buckle (5) is rotatably arranged on the inner wheel shell (1), the buckle (5) is provided with a first state of limiting the outer wheel shell (2) after rotating, and a second state of releasing the limiting of the outer wheel shell (2) after rotating.
7. The SF6 gas density relay indicator of claim 1, wherein:
The inner wheel shell (1) is detachably arranged on the relay observation window.
8. The SF6 gas density relay indicator of claim 5, wherein:
A plurality of balls (4) are arranged between the outer wheel housing (2) and the inner wheel housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323264095.1U CN221302600U (en) | 2023-11-30 | 2023-11-30 | SF6 gas density relay indicating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323264095.1U CN221302600U (en) | 2023-11-30 | 2023-11-30 | SF6 gas density relay indicating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221302600U true CN221302600U (en) | 2024-07-09 |
Family
ID=91741221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323264095.1U Active CN221302600U (en) | 2023-11-30 | 2023-11-30 | SF6 gas density relay indicating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221302600U (en) |
-
2023
- 2023-11-30 CN CN202323264095.1U patent/CN221302600U/en active Active
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