CN219458143U - SF (sulfur hexafluoride) 6 Gas density relay interface quick-connection system - Google Patents
SF (sulfur hexafluoride) 6 Gas density relay interface quick-connection system Download PDFInfo
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- CN219458143U CN219458143U CN202320560283.XU CN202320560283U CN219458143U CN 219458143 U CN219458143 U CN 219458143U CN 202320560283 U CN202320560283 U CN 202320560283U CN 219458143 U CN219458143 U CN 219458143U
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Abstract
The utility model relates to an SF 6 The gas density relay interface quick-connection system comprises a quick-connection device and an interface adjusting device; the quick connection device is of a hollow structure, a first end is provided with a switching structure, a second end is provided with a connecting structure, and the switching structure is used for connecting a meter; one end of the interface adjusting device is a butt joint interface which is connected in the connecting structure, and the other end is a fast-assembling interface for connecting SF 6 A gas density relay; the interface adjusting device is arranged at the bottom of the boxThe fast-assembling interface is provided with different specifications for connecting SF with different sizes 6 A gas density relay. The utility model has the advantages that the prior SF is solved 6 The interface of the gas density relay is difficult to install, the interface is easy to damage, the gas leakage and the like, so that SF can be realized 6 The gas density relay has the advantages of convenience in installation, difficulty in damage, good gas leakage prevention performance and the like, is beneficial to reducing equipment cost, is beneficial to safe and stable operation of electric inflation equipment, and can greatly save operation cost.
Description
Technical Field
The utility model relates to the technical field of gas monitoring devices of power equipment, in particular to an SF (sulfur hexafluoride) 6 The gas density relay interface is connected with the system quickly.
Background
At present, the inflation equipment such as a breaker, a GIS and the like in the power system mainly adopts SF 6 As an insulating medium, it is increasingly important to perform daily monitoring and maintenance work on gas filled devices such as circuit breakers and GISs. With the increase of the running time, the problems of ageing and air leakage of sealing elements, internal condensation, obvious increase of the micro water content of gas and the like easily occur in gas charging equipment such as GIS, circuit breakers and the like, and the gas insulation performance is affected particularly under the conditions of high and cold and large temperature difference. In addition, the structural performance and air tightness of equipment such as GIS and the like can be adversely affected by strong wind vibration, the problems of loose interfaces, crimping damage and the like are easy to occur, air leakage is caused, and the operation of the equipment is threatened. Thus, the charging power device SF 6 The monitoring accuracy of the insulating gas needs to be focused. Present SF 6 Gas density relay monitoring SF is installed on all gas insulated electrical equipment 6 The change of the gas density directly affects SF 6 Safe operation of the electrical device.
SF 6 The density is monitored by monitoring SF 6 Pneumatic pressure. SF (sulfur hexafluoride) 6 The density has an influence on the breaking performance and the insulating performance. Therefore, the breaker interval defines the air supply pressure p1 and the operation blocking air pressure p2; the isolating switch is provided with air supplementing pressure at equal intervals and passes through SF 6 The vacuum pressure gauge monitors the air pressure of the switch through SF 6 Density controller controlling SF 6 Variation of density. SF (sulfur hexafluoride) 6 The control of the density is essentially achieved by controlling the variation of the air pressure.
Through a large amount of monitoring data and research on the gas density relay at home and abroad, the gas density relay can encounter the following problems in actual operation: 1) The gas density relay has a plurality of interfaces with various specifications and various structures, and cannot be quickly installed and removed; 2) The interface replacement method is complicated, a plurality of fixing screws are required to be operated, meanwhile, the interface screw of the meter is easy to slide, the whole instrument is required to be replaced, and the expenditure cost is high; 3) With the increase of the operation time, particularly under the conditions of large temperature difference and large wind, the gas leakage is easily caused by poor sealing at the interface of the gas density relay under the influence of uneven expansion and contraction and wind shock.
Disclosure of Invention
In view of the shortcomings of the prior art, the utility model aims to provide an SF 6 Gas density relay interface connects system soon, includes:
the quick-connection device is of a hollow structure, the first end is provided with a switching structure, and the second end is provided with
Is provided with
The switching structure is used for connecting the meter;
one end of the interface adjusting device is a butt joint interface which is connected in the connecting structure, and the other end is provided with a butt joint
End of the device
Is a fast-assembling interface for connecting SF 6 A gas density relay;
the quick-mounting interfaces of the interface adjusting device are provided with different specifications for connecting SF with different sizes 6 A gas density relay.
Preferably, the connecting structure is an internal thread cylinder structure arranged at the second end of the quick-connection device, the butt joint opening is a cylinder structure provided with external threads, the external threads are matched and screwed in the internal threads, and the butt joint opening can be butt-jointed in the connecting structure.
Preferably, an air gasket is arranged between the interface adjusting device and the second end of the quick-connection device; for sealing a gap between the quick connect interface and the second end of the quick connect device.
Preferably, a gas pressure measuring device is further arranged in the quick connection device, and is used for monitoring the gas density state in the quick connection device in real time and sending out an early warning signal according to a set preset value.
Preferably, a rubber ring is further arranged at the switching structure; for enhancing the tightness of contact between said quick-connect means and said meter.
Preferably, the quick-connection device is a round cylinder.
Preferably, the shape of the fast-assembling interface is matched with the SF to be docked 6 The shape of the interface of the gas density relay is matched.
Preferably, the interface is capable of screwing to different depth positions within the connection structure.
In summary, the beneficial technical effects of the utility model are as follows: solves the problems of the prior SF 6 The method and the device can lead the SF to be provided with the problems of difficult installation of the interface of the gas density relay, easy damage of the interface, air leakage and the like 6 The gas density relay has the advantages of convenience in installation, difficulty in damage, good gas leakage resistance and the like. The utility model is beneficial to reducing the equipment cost, is beneficial to the safe and stable operation of the electric inflation equipment, and can greatly save the operation cost.
Drawings
The above and other objects, features and advantages of the present utility model will become more apparent from the following description of the embodiments of the present utility model with reference to the accompanying drawings. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the quick connect device of the present utility model;
FIG. 3 is a schematic diagram of an interface regulator according to the present utility model;
in the figure, 1, a quick connection device, 2, an interface adjusting device, 3, a meter, 4 and an air gasket;
11. the device comprises a switching structure, 12, a connecting structure, 13, a gas pressure measuring device, 14, a rubber ring, 21, a butt joint, 22 and a quick-assembly joint.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
Referring to FIGS. 1-3, an SF is disclosed in the present utility model 6 The gas density relay interface quick-connection system comprises a quick-connection device 1 and an interface regulating device 2; the quick-connection device 1 is of a hollow structure, a first end is provided with a switching structure 11, a second end is provided with a connecting structure 12, and the switching structure 11 is used for connecting the meter 3; one end of the interface adjusting device 2 is a butt joint 21 connected in the connecting structure 12, and the other end is a fast-assembling interface 22 for connecting SF 6 A gas density relay; the quick-assembling interfaces 22 of the interface adjusting device 2 are provided with different specifications for connecting SF with different sizes 6 A gas density relay. In this embodiment, the size of the interface 21 is adapted to the size of the connection structure 12, the quick connector 22 is connected to the quick device 1 through the interface 21, and the quick connector 22 is connected to the SF 6 Gas density relay, so that the interface adjusting device 2 provided with the fast-assembling interfaces 22 with different specifications can be replaced to be used for connecting SF with different sizes 6 The gas density relay can be indirectly connected with the meter 3, and can be quickly realized.
Referring to fig. 1-2, the connection structure 12 is an internal thread cylinder structure internally arranged at the second end of the quick-connect device, the butt joint port 21 is a cylinder structure provided with external threads, the external threads are screwed on the internal threads in a matching manner, and the butt joint port 21 can be butt-jointed in the connection structure 12.
Referring to fig. 1, an air gasket 4 is arranged between the interface adjusting device 2 and the second end of the quick-connection device 1; for sealing the gap between the quick-connect interface 22 and the second end of the quick-connect device 1. In this embodiment, the air cushion ring 4 is provided to enable the quick connector 22 and the second end of the quick connector 1 to be well sealed in a contrasting manner, so that air leakage of air through the thread seam can be avoided; simultaneously, due to the elasticity of the air cushion ring 4, the gap generated at the joint is easily caused by the influence of thermal expansion and contraction process or wind shock, and the air cushion ring 4 can seal the generated gap by utilizing the elasticity of the air cushion ring, so that the occurrence of air leakage is prevented.
With continued reference to fig. 1, the quick-connection device 1 is further provided with a gas pressure measurement device 13, which is configured to monitor the gas density state in the quick-connection device 1 in real time, and send out an early warning signal according to a preset value.
Referring to fig. 2, a rubber ring 14 is further disposed at the adapting structure 11; for enhancing the tightness of contact between said quick-connect device 1 and said gauge 3.
Referring to fig. 1-2, the quick-connect device 1 is a circular cylinder.
In this embodiment, the shape of the quick connector 22 and the SF to be docked 6 The shape of the interface of the gas density relay is matched.
In this embodiment, the docking port 21 can be screwed to different depth positions within the connection structure 12.
In summary, the beneficial technical effects of the embodiments disclosed in the utility model are as follows: solves the problems of the prior SF 6 The interface of the gas density relay is difficult to install, the interface is easy to damage, the gas leakage and the like, so that SF can be realized 6 The gas density relay has the advantages of convenience in installation, difficulty in damage, good gas leakage resistance and the like, is beneficial to reducing the equipment cost, is beneficial to safe and stable operation of the electric inflation equipment, and can greatly save the operation cost.
It should be noted that in this document relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model 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. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (8)
1. SF (sulfur hexafluoride) 6 Gas density relay interface connects system soon, its characterized in that includes:
the quick connection device is of a hollow structure, a first end is provided with a switching structure, a second end is provided with a connecting structure, and the switching structure is used for connecting a meter;
the interface adjusting device has one end of a butt joint interface connected in the connecting structure and the other end of a fast-assembling interface for connecting SF 6 A gas density relay;
the quick-mounting interfaces of the interface adjusting device are provided with different specifications for connecting SF with different sizes 6 A gas density relay.
2. The SF6 gas density relay interface quick connection system of claim 1, wherein the connection structure is an internal thread cylinder structure arranged at the second end of the quick connection device, the butt joint interface is a cylinder structure provided with external threads, the external threads are matched and screwed in the internal threads, and the butt joint interface can be butted in the connection structure.
3. The SF according to claim 1 6 The gas density relay interface quick-connection system is characterized in that a gas gasket is arranged between the interface adjusting device and the second end of the quick-connection device; for sealing a gap between the quick connect interface and the second end of the quick connect device.
4. A SF according to any of claims 1-3 6 The gas density relay interface quick connection system is characterized in that a gas pressure measuring device is further arranged in the quick connection device; the gas pressure measuring device is used for monitoring the gas density state in the quick-connection device in real time and sending out an early warning signal according to a set preset value.
5. The SF of claim 4 6 The gas density relay interface quick connection system is characterized in that a rubber ring is further arranged at the switching structure; for enhancing the tightness of contact between said quick-connect means and said meter.
6. The SF according to claim 1 6 Gas density relay interface connects system soon, its characterized in that: the quick connection device is a round cylinder.
7. The SF according to claim 1 6 The gas density relay interface quick connection system is characterized in that the shape of the quick-assembly interface is matched with SF to be abutted 6 The shape of the interface of the gas density relay is matched.
8. The SF according to claim 2 6 The gas density relay interface quick-connection system is characterized in that the interface can be screwed to different depth positions in the connecting structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320560283.XU CN219458143U (en) | 2023-03-21 | 2023-03-21 | SF (sulfur hexafluoride) 6 Gas density relay interface quick-connection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320560283.XU CN219458143U (en) | 2023-03-21 | 2023-03-21 | SF (sulfur hexafluoride) 6 Gas density relay interface quick-connection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219458143U true CN219458143U (en) | 2023-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320560283.XU Active CN219458143U (en) | 2023-03-21 | 2023-03-21 | SF (sulfur hexafluoride) 6 Gas density relay interface quick-connection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219458143U (en) |
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2023
- 2023-03-21 CN CN202320560283.XU patent/CN219458143U/en active Active
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