CN212676763U - Novel horizontal SF6 gas insulation totally enclosed type neutral point intelligent protection device - Google Patents
Novel horizontal SF6 gas insulation totally enclosed type neutral point intelligent protection device Download PDFInfo
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- CN212676763U CN212676763U CN202021748523.1U CN202021748523U CN212676763U CN 212676763 U CN212676763 U CN 212676763U CN 202021748523 U CN202021748523 U CN 202021748523U CN 212676763 U CN212676763 U CN 212676763U
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Abstract
The utility model relates to a novel horizontal SF6 gas insulation totally enclosed neutral point intelligent protection device, which comprises a conductive rod shell, a six-way tank body, a current transformer shell, a control mechanism and a lightning arrester shell; conducting rod casing, current transformer casing and arrester casing pass through six-way jar body intercommunication, and form sealed air cavity, this sealed air cavity is installed transformer element and is filled there is SF6 gas, its characterized in that: the lightning arrester shell is detachably connected with the bottom of the six-way tank body through the connecting tank body; one end of the connecting tank body is communicated with the six-way tank body, and connectors are arranged on the side wall and the bottom of the connecting tank body; the lightning arrester shell is communicated with one of the connecting ports, and the other connecting ports are in threaded connection with threaded plungers; the utility model discloses a central point protection device's stability is good, and adaptive environment ability is strong.
Description
Technical Field
The utility model belongs to the technical field of the transformer technique and specifically relates to a novel horizontal SF6 gas insulation totally enclosed neutral point intelligence protection device is related to.
Background
At present, in the technical field of transformers and the field of complete protection devices for alternating current neutral points of transformers, the traditional product structure is still adopted, the existing structure is generally that a longitudinal integrated shell is connected with required components through a six-way tank body respectively, the internal stroke of the shell is closed, SF6 gas is filled in the space, a lightning arrester is generally longitudinally arranged below the six-way tank, and due to the installation mode, the lightning arrester can be normally used only in a large space in the actual use process, and the limitation is large;
secondly, in the present stage, an air inlet is formed in the lightning arrester body, and a one-way air inlet valve is arranged in the air inlet; however, the lightning arrester can be damaged and embroidered after being blown by wind and rain, and at the moment, the one-way valve social group can be arranged inside the lightning arrester.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art existence, the utility model aims to provide a novel horizontal SF6 gas insulation totally enclosed neutral point intelligence protection device.
The technical scheme of the utility model is realized like this: a novel horizontal SF6 gas-insulated totally-enclosed neutral point intelligent protection device comprises a conducting rod shell, a six-way tank body, a current transformer shell, a control mechanism and a lightning arrester shell; conducting rod casing, current transformer casing and arrester casing pass through six-way jar body intercommunication, and form sealed air cavity, this sealed air cavity is installed transformer element and is filled there is SF6 gas, its characterized in that: the lightning arrester shell is detachably connected with the bottom of the six-way tank body through the connecting tank body; one end of the connecting tank body is communicated with the six-way tank body, and connectors are arranged on the side wall and the bottom of the connecting tank body; the lightning arrester shell is communicated with one of the connectors, and the other connectors are in threaded connection with threaded plungers.
Preferably: an SF6 gas filling port for filling SF6 gas into the closed cavity is formed in the lightning arrester shell; still be provided with the explosion-proof disappointing mouth that is used for preventing the inside atmospheric pressure of arrester housing from too big on the arrester housing.
Preferably: the SF6 inflation inlet is provided with internal threads and is in threaded connection with a threaded pipe; a one-way air inlet valve is arranged in the threaded pipe; the connector that screwed pipe and inflation inlet are connected is the fluoroplastics connector, be equipped with on this fluoroplastics connector with the inflation inlet on the external screw thread of internal thread adaptation.
Preferably: the outer wall of the threaded pipe between the fluoroplastic connector and the one-way air inlet valve is provided with a lantern ring, a step is formed between the lantern ring and the threaded pipe, and a rubber sealing ring is arranged on the surface of the lantern ring, facing the step on one side of the fluoroplastic connector.
Preferably: the mounting device further comprises a mounting bottom frame, wherein a plurality of longitudinal mounting holes which are uniformly distributed on the mounting bottom frame at equal intervals are formed in the mounting bottom frame.
Compared with the prior art, the utility model discloses the beneficial effect who brings does:
1. the traditional mode of directly and longitudinally installing the lightning arrester is improved into the mode of connecting through a connecting tank body, a transverse connecting port and a longitudinal connecting port are respectively formed in the side wall and the bottom of the connecting tank body so as to adapt to an installation space, when the transverse installation space is sufficient, a lightning arrester shell can be connected with the transverse connecting port, and a threaded plunger is installed on the longitudinal connecting port for use; when the longitudinal installation space is sufficient, the lightning arrester shell can be connected with the longitudinal connecting port, and the threaded plunger is installed on the transverse connecting port for use.
2. A screwed pipe is connected to the SF6 inflation inlet; set up one-way admission valve on this screwed pipe, such mode appears damaging the phenomenon as the check valve, only need with the screwed pipe take off from the gas charging port of arrester casing, maintain or change can, convenient operation to can reduce cost.
3. The connecting end of the threaded pipe is set to be the fluoroplastic connecting head, and the fluoroplastic connecting head has good moisture resistance and low-temperature resistance due to the fact that fluoroplastic has electrical insulation performance, high heat resistance, outstanding oil resistance, solvent resistance and wear resistance; therefore, the corrosion resistance is high, and the adaptability to outdoor environment is strong.
4. Through being provided with the installation chassis, can be convenient for install this protection device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an embodiment of the present invention;
FIG. 2 is a schematic structural view of example 2;
fig. 3 is a partially enlarged view of fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the utility model discloses a novel horizontal SF6 gas insulation totally enclosed neutral point intelligent protection device, which comprises a conducting rod shell 1, a six-way tank 2, a current transformer shell 3, a control mechanism 4 and a lightning arrester shell 5; the conductive rod shell 1, the current transformer shell 3 and the arrester shell 5 are communicated through the six-way tank body 2 and form a sealed air cavity 6, the sealed air cavity 6 is provided with a transformer element and is filled with SF6 gas, in the specific embodiment of the utility model, the arrester shell 5 is detachably connected with the bottom of the six-way tank body 2 through a connecting tank body 7; one end of the connecting tank body 7 is communicated with the six-way tank body 2, and a connecting port 8 is formed in each side wall and the bottom of the connecting tank body 2; the lightning arrester housing 5 is communicated with one of the connecting ports 8, and the other connecting ports 8 are in threaded connection with threaded plungers 81.
Wherein, all seted up the connector on connecting each side of jar body, such mode can further improve the adaptability to the installation environment.
The utility model discloses in the concrete embodiment, still including installation chassis 9, be provided with a plurality of equidistant evenly distributed vertical mounting hole 91 on installation chassis 9 on this installation chassis 9.
When the lightning arrester is transversely arranged, the connecting tank body is connected with the base through the bolt, and when the lightning arrester is longitudinally arranged, the connecting tank body and the lightning arrester mounting plate are connected with the base through the bolt;
the control mechanism is mounted on the mounting chassis and is used to control the position of the internal switch.
Compared with the prior art, the utility model discloses the beneficial effect who brings does:
1. the traditional mode of directly and longitudinally installing the lightning arrester is improved into the mode of connecting through a connecting tank body, a transverse connecting port and a longitudinal connecting port are respectively formed in the side wall and the bottom of the connecting tank body so as to adapt to an installation space, when the transverse installation space is sufficient, a lightning arrester shell can be connected with the transverse connecting port, and a threaded plunger is installed on the longitudinal connecting port for use; when the longitudinal installation space is sufficient, the lightning arrester shell can be connected with the longitudinal connecting port, and the threaded plunger is installed on the transverse connecting port for use.
2. Through being provided with the installation chassis, can be convenient for install this protection device.
Example 2 differs from example 1 in that
As shown in fig. 2-3, in the specific embodiment of the present invention, an SF6 gas filling port 10 for filling SF6 gas into the sealed cavity 6 is formed on the lightning arrester housing 5; the arrester housing 5 is further provided with an explosion-proof air leakage opening 51 for preventing the air pressure inside the arrester housing 5 from being too large.
In the specific embodiment of the present invention, the SF6 inflation inlet 10 is provided with an internal thread and is in threaded connection with a threaded pipe 101; a one-way air inlet valve 102 is arranged in the threaded pipe 101; the connector that screwed pipe 101 and inflation inlet 10 are connected is the fluoroplastics connector, through this fluoroplastics connector and the gaseous inflation inlet threaded connection of SF6 and intercommunication.
The utility model discloses in the concrete implementation mode, be provided with the lantern ring 103 on the screwed pipe outer wall between fluoroplastics connector and the one-way admission valve 102, form the step between this lantern ring 103 and the screwed pipe 101, and the lantern ring 103 is provided with rubber seal 104 on the step face towards fluoroplastics connector one side.
Compared with the prior art, the utility model discloses the beneficial effect who brings does:
1. a screwed pipe is connected to the SF6 inflation inlet; set up one-way admission valve on this screwed pipe, such mode appears damaging the phenomenon as the check valve, only need with the screwed pipe take off from the gas charging port of arrester casing, maintain or change can, convenient operation to can reduce cost.
2. The connecting end of the threaded pipe is set to be the fluoroplastic connecting head, and the fluoroplastic connecting head has good moisture resistance and low-temperature resistance due to the fact that fluoroplastic has electrical insulation performance, high heat resistance, outstanding oil resistance, solvent resistance and wear resistance; therefore, the corrosion resistance is high, and the adaptability to outdoor environment is strong.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A novel horizontal SF6 gas-insulated totally-enclosed neutral point intelligent protection device comprises a conducting rod shell, a six-way tank body, a current transformer shell, a control mechanism and a lightning arrester shell; conducting rod casing, current transformer casing and arrester casing pass through six-way jar body intercommunication, and form sealed air cavity, this sealed air cavity is installed transformer element and is filled there is SF6 gas, its characterized in that: the lightning arrester shell is detachably connected with the bottom of the six-way tank body through the connecting tank body; one end of the connecting tank body is communicated with the six-way tank body, and connectors are arranged on the side wall and the bottom of the connecting tank body; the lightning arrester shell is communicated with one of the connectors, and the other connectors are in threaded connection with threaded plungers.
2. The novel horizontal SF6 gas insulated totally enclosed neutral point intelligent protection device as claimed in claim 1, wherein: an SF6 gas filling port for filling SF6 gas into the closed cavity is formed in the lightning arrester shell; still be provided with the explosion-proof disappointing mouth that is used for preventing the inside atmospheric pressure of arrester housing from too big on the arrester housing.
3. The novel horizontal SF6 gas insulated totally enclosed neutral point intelligent protection device as claimed in claim 1, wherein: the SF6 inflation inlet is provided with internal threads and is in threaded connection with a threaded pipe; a one-way air inlet valve is arranged in the threaded pipe; the connector that screwed pipe and inflation inlet are connected is the fluoroplastics connector, be equipped with on this fluoroplastics connector with the inflation inlet on the external screw thread of internal thread adaptation.
4. The novel horizontal SF6 gas insulated totally enclosed neutral point intelligent protection device of claim 3, wherein: the outer wall of the threaded pipe between the fluoroplastic connector and the one-way air inlet valve is provided with a lantern ring, a step is formed between the lantern ring and the threaded pipe, and a rubber sealing ring is arranged on the surface of the lantern ring, facing the step on one side of the fluoroplastic connector.
5. The novel horizontal SF6 gas insulated totally enclosed neutral point intelligent protection device of claim 4, wherein: the mounting device further comprises a mounting bottom frame, wherein a plurality of longitudinal mounting holes which are uniformly distributed on the mounting bottom frame at equal intervals are formed in the mounting bottom frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748523.1U CN212676763U (en) | 2020-08-20 | 2020-08-20 | Novel horizontal SF6 gas insulation totally enclosed type neutral point intelligent protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021748523.1U CN212676763U (en) | 2020-08-20 | 2020-08-20 | Novel horizontal SF6 gas insulation totally enclosed type neutral point intelligent protection device |
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| CN212676763U true CN212676763U (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539615A (en) * | 2021-07-19 | 2021-10-22 | 浙江日新电气有限公司 | Transformer with neutral point protection device and adsorbent filling method thereof |
-
2020
- 2020-08-20 CN CN202021748523.1U patent/CN212676763U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113539615A (en) * | 2021-07-19 | 2021-10-22 | 浙江日新电气有限公司 | Transformer with neutral point protection device and adsorbent filling method thereof |
| CN113539615B (en) * | 2021-07-19 | 2022-02-11 | 浙江日新电气有限公司 | Transformer with neutral point protection device and adsorbent filling method thereof |
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