CN209133301U

CN209133301U - Dehumidification type transformer

Info

Publication number: CN209133301U
Application number: CN201821735390.7U
Authority: CN
Inventors: 王金荣
Original assignee: Zhejiang Dayou Industrial Co Ltd Electric Power Loading Branch
Current assignee: Zhejiang Dayou Industrial Co Ltd Electric Power Loading Branch
Priority date: 2018-10-25
Filing date: 2018-10-25
Publication date: 2019-07-19
Anticipated expiration: 2028-10-25

Abstract

The utility model discloses a kind of dehumidification type transformers, comprising: transformer cabinet body；There is desiccant canister, the diversion pipe of the desiccant canister spiral, the diversion pipe lateral wall has convenient for the micropore of connection transformer interior of the cabinet gas on the upside of the transformer interior of the cabinet；The diversion pipe front end connects feed pipe, and the diversion pipe rear end is equipped with discharge nozzle, and the discharging pipe end connects collecting tank；Rotatable molecular sieve sphere is filled in the feed pipe, diversion pipe and discharge nozzle, the collecting tank is for collecting the molecular sieve sphere fallen into；The charging pipe end connection pressurization air pump, the pressurization air pump is for driving molecular sieve balls tumble.The utility model solves existing transformer vacuum decompression dehumidifying, time-consuming and laborious defect.

Description

Dehumidification type transformer

Technical field

The utility model relates to transformer instrument field, in particular to a kind of dehumidification type transformer.

Background technique

Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, transformer be commonly used for buck/boost, Matching impedance and security isolation etc., primary clustering include the primary coil being arranged in box shell, secondary coil and Iron core, primary coil and secondary coil are wound around on iron core, and primary coil is connect with AC power source, passes through the original of electromagnetic induction Reason, can induce secondary voltage in secondary coil, but the iron core in transformer can generate heat at work, especially It is that temperature within summer, transformer can be quite high, easily causes serious safety accident；Transformer has the humidity of environment There is certain requirement, and the humidity in box shell is higher, then the insulating properties of transformer is poorer, if humidity is too high, in air Steam will lead to primary coil and secondary coil insulating layer aging it is damaged, cause great safety accident；Current big portion The box shell of the transformer divided has preferable leakproofness, but due to the variation of temperature or natural aging etc., in box shell Subtle crackle can be generated, so steam can be permeated by crackle in inlet shell when outside air humidity is larger, to make to become Insulating properties in depressor reduces；Traditional transformer prevents steam from penetrating into transformation simply by the intensity and leakproofness of box shell In device, without the moisture-proof device of special moisture absorption is arranged in box shell, once subtle crackle occurs in box shell, can not just it stop In moisture penetration inlet shell in air, to reduce the insulating properties in transformer；Existing transformer dehumidifying is needed transformation Device arrangement is fitted into vacuum equipment, decompression dehumidifying, time-consuming and laborious.

Utility model content

The utility model provides a kind of dehumidification type transformer, so that the decompression dehumidifying of existing transformer vacuum, time-consuming and laborious Defect be addressed.

To solve the above problems, the utility model discloses a kind of dehumidification type transformers, comprising: transformer cabinet body；It is described There is desiccant canister, the diversion pipe of the desiccant canister spiral, the diversion pipe lateral wall has on the upside of transformer interior of the cabinet Convenient for being connected to the micropore of transformer interior of the cabinet gas；The diversion pipe front end connects feed pipe, and the diversion pipe rear end is equipped with Discharge nozzle, the discharging pipe end connect collecting tank；Rotatable molecule is filled in the feed pipe, diversion pipe and discharge nozzle Sphere is sieved, the collecting tank is for collecting the molecular sieve sphere fallen into；The charging pipe end connection pressurization air pump, the pressurization Air pump is for driving molecular sieve balls tumble.Preferably, the diversion pipe of the utility model is located at the outside right opposite of coiling group.This Utility model by setting pressurization air pump blow gas push feed pipe, in diversion pipe and discharge nozzle sub-sieve bulbec body rolling, Via transformer cabinet body, its internal moisture is reduced, structure is simple, it is adjusted by controlling the rolling rate of molecular sieve sphere, The absorption rate of molecular sieve sphere, convenient for daily control transformer case internal water height；The movement of air-flow similarly rises simultaneously The effect of the heat of fast exchange transformer top and the bottom, play reduce transformer internal upper part (coiling group region) temperature action； The replacement easy to disassemble of its molecular sieve may be implemented to dehumidify while working, and it is true that the utility model solves existing transformer Sky decompression dehumidifying, time-consuming and laborious defect.

Optionally, the desiccant canister includes cylindric fixed link, and the diversion pipe eats be wound on fixed link periphery in the shape of a spiral. The utility model diversion pipe eats be wound on fixed link periphery in the shape of a spiral, increases the contact surface between diversion pipe and transformer cabinet body Product, improves effect on moisture extraction.

Optionally, receiving sheet is equipped in the feed pipe, the receiving sheet is fixed on feed pipe front end, for accepting molecule Sieve sphere；The receiving sheet is porous netted sheet body.

Optionally, the feed pipe side leads to connecting side siphunculus, and side siphunculus end is equipped with nitrogen gas tank；The feed pipe and Solenoid valve is equipped on the siphunculus of side.

Optionally, heater strip, the external external power supply of heater strip, in heated nitrogen tank are equipped in the nitrogen gas tank Nitrogen.The utility model is that the nitrogen of setting heating is blown into pipeline, is convenient for drying pipeline, blows internal ponding and collection off Tank can be used for molecular sieve sphere in regeneration activating collecting tank.

Optionally, the collection upper end fills exhaust pipe, and aspiration pump is housed on the exhaust pipe.The utility model is set Setting aspiration pump can control collecting tank, and the heat gas of cooperation nitrogen gas tank blowout improves regeneration activating efficiency.

Optionally, the desiccant canister, feed pipe and collecting tank are respectively positioned in transformer case body.The utility model can control The gas pressure difference at pipeline both ends adjusts the rolling rate of molecular sieve sphere.

Optionally, side siphunculus road, aspiration pump and nitrogen gas tank are respectively positioned on the external side of transformer case.The utility model passes through Can be with transformer up and down there are temperature difference, heating collecting tank reduces heat needed for molecular sieve sphere in activation collecting tank.

Optionally, the feeding pipe front end is additionally provided with charging pipeline, and the charging line end is equipped with sealing cover.

Compared with prior art, the technical program has the advantage that

1, the utility model passes through sub-sieve in setting pressurization air pump blow gas promotion feed pipe, diversion pipe and discharge nozzle The rolling of sphere reduces its internal moisture via transformer cabinet body, and structure is simple, by the rolling for controlling molecular sieve sphere Rate is adjusted, the absorption rate of molecular sieve sphere, convenient for daily control transformer case internal water height；The fortune of air-flow simultaneously The dynamic heat for similarly playing a part of fast exchange transformer top and the bottom, playing reduces transformer internal upper part (coiling group region) Temperature action；The replacement easy to disassemble of its molecular sieve may be implemented to dehumidify while working, and the utility model solves existing Transformer vacuum decompression dehumidifying, time-consuming and laborious defect.

2, the utility model diversion pipe eats be wound on fixed link periphery in the shape of a spiral, increase diversion pipe and transformer cabinet body it Between contact area, improve effect on moisture extraction.

3, the utility model be setting heating nitrogen be blown into pipeline, be convenient for drying pipeline, blow off internal ponding and Collecting tank can be used for molecular sieve sphere in regeneration activating collecting tank.

4, the utility model setting aspiration pump can control collecting tank, and the heat gas of cooperation nitrogen gas tank blowout improves Regeneration activating efficiency.

5, the utility model can control the gas pressure difference at pipeline both ends, adjust the rolling rate of molecular sieve sphere.

6, the utility model with transformer up and down there are temperature difference by that can heat collecting tank, reduce activation collecting tank Heat needed for interior molecular sieve sphere.

Detailed description of the invention

Fig. 1 is the transformer the schematic diagram of the section structure of the utility model transformer embodiments one；

Fig. 2 is the diversion pipe partial enlargement structural representation of the transformer of the utility model transformer embodiments one；

Fig. 3 is the transformer feed pipe partial enlargement structural representation of the utility model transformer embodiments one.

1, transformer cabinet body；2, desiccant canister；3, diversion pipe；4, fixed link；5, micropore；6, feed pipe；7, discharge nozzle；8, it receives Collect tank；9, molecular sieve sphere；11, pressurize air pump；12, receiving sheet；13, side siphunculus；14, nitrogen gas tank；15, solenoid valve；16, it heats Silk；17, exhaust pipe；18, aspiration pump；19, charge pipeline；20, sealing cover；21, coiling group.

Specific embodiment

With reference to the accompanying drawing, by specific embodiment, to the technical solution of the utility model carry out it is clear, completely retouch It states.

Embodiment one:

The utility model discloses a kind of dehumidification type transformer transformer (see attached drawing 1,2,3), comprising: the utility model is public A kind of transformer is opened, comprising: transformer cabinet body 1；There is desiccant canister 2, the desiccant canister on the upside of the transformer interior of the cabinet The diversion pipe 3 of spiral, the desiccant canister include columned fixed link 4, and the diversion pipe eats be wound on fixation in the shape of a spiral Bar periphery.The diversion pipe of the utility model is located at the outside right opposite of coiling group 21.

The diversion pipe lateral wall has convenient for the micropore 5 of connection transformer interior of the cabinet gas；The diversion pipe front end Feed pipe 6 is connected, the diversion pipe rear end is equipped with discharge nozzle 7, and the discharging pipe end connects collecting tank 8, and the collecting tank is used In the molecular sieve sphere 9 that collection is fallen into；Rotatable molecular sieve sphere is filled in the feed pipe, diversion pipe and discharge nozzle 10, the charging pipe end connection pressurization air pump 11, the pressurization air pump is for driving molecular sieve balls tumble.The feed pipe Interior to be equipped with receiving sheet 12, the receiving sheet is fixed on feed pipe front end, for accepting molecular sieve sphere；The receiving sheet is porous Netted sheet body.The collecting tank of the utility model is located at transformer bottom of cabinet bulk.

The feed pipe side leads to connecting side siphunculus 13, and side siphunculus end is equipped with nitrogen gas tank 14；The feed pipe and side Solenoid valve 15 is equipped on siphunculus.Heater strip 16, the external external power supply of heater strip, for heating are equipped in the nitrogen gas tank Nitrogen in nitrogen gas tank.The collection upper end fills exhaust pipe 17, and aspiration pump 18 is housed on the exhaust pipe.The dehumidifying Tank, feed pipe and collecting tank are respectively positioned in transformer case body.Side siphunculus road, aspiration pump and nitrogen gas tank are respectively positioned on transformer case External side.The feeding pipe front end is additionally provided with charging pipeline 19, and the charging line end is equipped with sealing cover 20.

The embodiments of the present invention implement when, controlled by gas pressurized pump, the control valve of nitrogen gas tank, aspiration pump into Expects pipe, diversion pipe and discharge nozzle both ends gas pressure difference, and then the rolling rate for controlling molecular sieve sphere is adjusted, molecular sieve spheres The absorption rate of body；After molecular sieve sphere is completely into collecting tank, transported from top to bottom along feed pipe, diversion pipe and discharge nozzle Dynamic air can bring the heat of coiling group into transformer bottom of cabinet bulk, to realize heat exchange, reduce near coiling group Heat；Simultaneously heating nitrogen be blown into the pipeline of feed pipe, diversion pipe and discharge nozzle, can drying pipeline, blow inner product off Water and collecting tank, molecular sieve sphere in regeneration activating collecting tank, so as to secondary use.

Although the utility model has been described by way of example and in terms of the preferred embodiments, but it is not to appoint for limiting the utility model What those skilled in the art without departing from the spirit and scope of the utility model, may be by the method and skill of the disclosure above Art content makes possible variation and modification to technical solutions of the utility model, therefore, all without departing from the utility model technology The content of scheme, it is made by the above technical examples according to the technical essence of the present invention it is any it is simple modification, equivalent variations and Modification, belongs to the protection scope of technical solutions of the utility model.

Claims

1. a kind of dehumidification type transformer characterized by comprising transformer cabinet body；Have on the upside of the transformer interior of the cabinet Desiccant canister, the diversion pipe of the desiccant canister spiral, the diversion pipe lateral wall have convenient for connection transformer interior of the cabinet The micropore of gas；The diversion pipe front end connects feed pipe, and the diversion pipe rear end is equipped with discharge nozzle, and the discharging pipe end connects Connect collecting tank；Rotatable molecular sieve sphere is filled in the feed pipe, diversion pipe and discharge nozzle, the collecting tank is for receiving Collect the molecular sieve sphere fallen into；The charging pipe end connection pressurization air pump, the pressurization air pump is for driving molecular sieve sphere It rolls.

2. dehumidification type transformer as described in claim 1, which is characterized in that the desiccant canister includes cylindric fixed link, institute It states diversion pipe and eats in the shape of a spiral and be wound on fixed link periphery.

3. dehumidification type transformer as described in claim 1, which is characterized in that receiving sheet is equipped in the feed pipe, it is described to hold Contact pin is fixed on feed pipe front end, for accepting molecular sieve sphere；The receiving sheet is porous netted sheet body.

4. dehumidification type transformer as claimed in claim 3, which is characterized in that the feed pipe side leads to connecting side siphunculus, described Side siphunculus end is equipped with nitrogen gas tank；Solenoid valve is equipped on the feed pipe and side siphunculus.

5. dehumidification type transformer as claimed in claim 4, which is characterized in that heater strip is equipped in the nitrogen gas tank, it is described to add The external external power supply of heated filament, for nitrogen in heated nitrogen tank.

6. the dehumidification type transformer as described in claims 1 or 2 or 3 or 4 or 5, which is characterized in that the collection upper end dress is taken out Air pipe is equipped with aspiration pump on the exhaust pipe.

7. dehumidification type transformer as claimed in claim 6, which is characterized in that the desiccant canister, feed pipe and the equal position of collecting tank In in transformer case body.

8. dehumidification type transformer as claimed in claim 7, which is characterized in that side siphunculus road, aspiration pump and nitrogen gas tank are equal Positioned at the external side of transformer case.

9. the dehumidification type transformer as described in claims 1 or 2 or 3 or 4 or 5, which is characterized in that the feeding pipe front end is also Equipped with charging pipeline, the charging line end is equipped with sealing cover.