CN210956350U

CN210956350U - Gas-insulated integrated combined transformer

Info

Publication number: CN210956350U
Application number: CN201922202856.8U
Authority: CN
Inventors: 赵光景
Original assignee: Nanchang Shunjing Technology Co ltd
Current assignee: Nanchang Shunjing Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-07-07
Anticipated expiration: 2029-12-11

Abstract

The utility model discloses a gas insulation integrated combined mutual inductor in the technical field of electrical engineering, which comprises a shell, wherein a silica gel sleeve is fixedly arranged on the top wall of the shell, a conductive rod is clamped at the top of the inner cavity of the silica gel sleeve, a junction box is fixedly arranged on the outer wall of the shell, a pressure sensor is screwed on the outer wall of the shell, an external antenna is clamped on the outer wall of the junction box, a controller is arranged in the inner cavity of the shell, an input port of the controller is electrically connected with the output end of the pressure sensor, an input port of the controller is electrically connected with the output end of a power monitoring module, a transmission port of the controller is electrically connected with a memory, an air inlet pipe is fixedly arranged on the outer wall of the shell, one end of the air inlet pipe is screwed with a high-pressure air tank, an air inlet valve is arranged on the pipeline, the content of insulating gas in the inner cavity of the shell is insufficient, and the product is very easy to discharge, puncture and lose efficacy.

Description

Gas-insulated integrated combined transformer

Technical Field

The utility model discloses a gas-insulated integration combined transformer specifically is electrical engineering technical field.

Background

The combined mutual inductor that is arranged in the high-voltage metering equipment on 10kV distribution lines at present is mostly oily formula or dry-type, and oily formula combined mutual inductor measurement accuracy is poor, and when service life overlength, easy oil leakage when service environment is abominable, and dry-type combined mutual inductor then insulating properties is relatively poor, does not possess the function of preventing electricity stealing.

Most of the existing gas insulation integrated combined transformers adopt internal filled insulating gas, but the insulating gas in the shell escapes out when the combined transformers are used for a long time, so that the content of the insulating gas in the inner cavity of the shell is insufficient, and the product is very easy to discharge and breakdown to lose efficacy.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas-insulated integration combined transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a gas insulation integrated combined transformer comprises a shell, wherein a silica gel sleeve is fixedly installed on the top wall of the shell, a conductive rod is clamped at the top of an inner cavity of the silica gel sleeve, a current transformer and a voltage transformer are arranged in the inner cavity of the shell, a junction box is fixedly installed on the outer wall of the shell, a pressure sensor is screwed on the outer wall of the shell, an external antenna is clamped on the outer wall of the junction box, a controller is arranged in the inner cavity of the shell, an input port of the controller is electrically connected with an output end of the pressure sensor, an input port of the controller is electrically connected with an output end of a power monitoring module, a transmission port of the controller is electrically connected with a memory, an output port of the controller is electrically connected with a signal transmission module, an air inlet pipe is fixedly installed on the outer wall of the shell, an air inlet valve is arranged on a pipeline of the air inlet pipe, and one end of the air inlet pipe is connected with a one-way valve in a threaded mode.

Preferably, the outer wall of the shell is screwed with a grounding rod.

Preferably, four corners of the bottom wall of the shell are fixedly provided with supporting legs.

Preferably, the high-pressure gas tank is an SF6 or CF3I high-pressure gas tank.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the device is provided with an air inlet pipe, a high-pressure air tank, an air inlet valve and a one-way valve, when insulating gas in the inner cavity of the shell escapes, the air pressure in the inner cavity of the shell is reduced, the one-way valve is opened, the insulating gas in the high-pressure air tank enters the inner cavity of the shell through the air inlet pipe and the one-way valve due to high pressure until the air pressure in the inner cavity of the shell is stable, and the phenomenon that the insulativity of the device is reduced due;

2) this device sets up pressure sensor, a controller, power monitoring module and signal transmission module, pressure sensor is real-time with casing inner chamber pressure data transmission to controller, when insulating gas exhausts in the high-pressure gas pitcher, when casing inner chamber pressure drops to the threshold value, the controller passes through signal transmission module with alarm signal and transmits to the high in the clouds, power monitoring module is real-time with power data real-time transmission to controller, the controller is with power data transmission to memory, when power data is unusual, the controller passes through signal transmission module with alarm signal and transmits to the high in the clouds, the inside insulating gas loss of casing when this device effectively avoids using for a long time and goes out, lead to casing inner chamber insulating gas content not enough, very easily lead to the product discharge and puncture the inefficacy.

Drawings

Fig. 1 is a schematic front view of the gas-insulated integrated combined transformer of the present invention;

FIG. 2 is a schematic front sectional view of the gas-insulated integrated combined transformer of the present invention;

fig. 3 is the structural block diagram of the gas-insulated integrated combined transformer system of the present invention.

In the figure: 100 casing, 110 silica gel sleeve, 120 conducting rod, 130 grounding rod, 140 supporting feet, 200 junction box, 210 pressure sensor, 220 external antenna, 230 controller, 240 power monitoring module, 250 memory, 260 signal transmission module, 300 air inlet pipe, 310 high pressure air tank, 320 air inlet valve, 330 one-way valve.

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 work belong to the protection scope of the present invention.

The utility model provides a gas insulation integration combined transformer, effectively avoid when using for a long time the inside insulating gas loss of casing and go out, lead to the casing inner chamber insulating gas content insufficient, very easily lead to the product breakdown of discharging to become invalid, please refer to fig. 1 and fig. 2, including casing 100, the roof fixed mounting of casing 100 has silica gel sleeve 110, and the inner chamber top joint of silica gel sleeve 110 has conducting rod 120, and the inner chamber of casing 100 is provided with current transformer and voltage transformer, and conducting rod 120 introduces current into current transformer and voltage transformer, and silica gel sleeve 110 is used for improving the insulating nature of this device;

referring to fig. 1, 2 and 3, a junction box 200 is fixedly installed on an outer wall of a housing 100, a pressure sensor 210 is screwed on the outer wall of the housing 100, an external antenna 220 is fastened on the outer wall of the junction box 200, a controller 230 is arranged in an inner cavity of the housing 100, an input port of the controller 230 is electrically connected with an output end of the pressure sensor 210, an input port of the controller 230 is electrically connected with an output end of a power monitoring module 240, a transmission port of the controller 230 is electrically connected with a memory 250, an output port of the controller 230 is electrically connected with a signal transmission module 260, the pressure sensor 210 is used for measuring pressure in the inner cavity of the housing 100, the external antenna 220 is used for improving transmission stability of the signal transmission module 260, the power monitoring module 240 is used for measuring power, the memory 250 is used for storing power information, and;

referring to fig. 1 and 2, an air inlet pipe 300 is fixedly installed on an outer wall of the housing 100, one end of the air inlet pipe 300 is screwed with a high pressure air tank 310, an air inlet valve 320 is arranged on a pipeline of the air inlet pipe 300, and one end of the air inlet pipe 300 is screwed with a check valve 330. The air inlet pipe 300 is used for allowing air in the high-pressure air tank 310 to enter the inner cavity of the shell 100 through the air inlet pipe 300, and the air inlet valve 320 is used for preventing the air in the inner cavity from greatly escaping when the high-pressure air tank 310 is replaced;

referring to fig. 1 and 2 again, the grounding rod 130 is screwed on the outer wall of the casing 100, so as to improve the safety of the device during use;

referring to fig. 1 and 2 again, the four corners of the bottom wall of the casing 100 are fixedly provided with the supporting legs 140, so as to increase the bottom wall and the aperture of the casing 100, thereby facilitating the heat dissipation of the device.

While the invention has been described above with reference to certain embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the various embodiments disclosed herein can be used in any combination with one another, and the description of such combinations that is not exhaustive in this specification is merely for brevity and resource saving. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a gas-insulated integration combination mutual-inductor which characterized in that: the power monitoring device comprises a shell (100), a silica gel sleeve (110) is fixedly installed on the top wall of the shell (100), a conductive rod (120) is clamped at the top of an inner cavity of the silica gel sleeve (110), a current transformer and a voltage transformer are arranged in the inner cavity of the shell (100), a junction box (200) is fixedly installed on the outer wall of the shell (100), a pressure sensor (210) is screwed on the outer wall of the shell (100), an external antenna (220) is clamped on the outer wall of the junction box (200), a controller (230) is arranged in the inner cavity of the shell (100), an input port of the controller (230) is electrically connected with the output end of the pressure sensor (210), an input port of the controller (230) is electrically connected with the output end of a power monitoring module (240), and a transmission port of the controller (230) is electrically connected with a memory (, the output port electric connection of controller (230) has signal transmission module (260), the outer wall fixed mounting of casing (100) has intake pipe (300), the one end spiro union of intake pipe (300) has high-pressure gas pitcher (310), be provided with on the pipeline of intake pipe (300) admission valve (320), the one end spiro union of intake pipe (300) has check valve (330).

2. The gas-insulated integrated combined transformer of claim 1, characterized in that: the outer wall of the shell (100) is connected with a grounding rod (130) in a threaded mode.

3. The gas-insulated integrated combined transformer of claim 1, characterized in that: supporting legs (140) are fixedly mounted at four corners of the bottom wall of the shell (100).

4. The gas-insulated integrated combined transformer of claim 1, characterized in that: the high-pressure gas tank (310) is an SF6 or CF3I high-pressure gas tank.