CN208690049U - A kind of permanent magnetism on-load tap changer equipment of transformer - Google Patents
A kind of permanent magnetism on-load tap changer equipment of transformer Download PDFInfo
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- CN208690049U CN208690049U CN201821139126.7U CN201821139126U CN208690049U CN 208690049 U CN208690049 U CN 208690049U CN 201821139126 U CN201821139126 U CN 201821139126U CN 208690049 U CN208690049 U CN 208690049U
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- fuel tank
- tap changer
- transformer
- lead end
- cover board
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Abstract
Disclosed by the utility model is a kind of permanent magnetism on-load tap changer equipment of transformer, including cover board, fuel tank, fuel tank is connected to cover board lower part, tank bottoms are provided with lead end daughter board, the tap switch ontology connecting with cover board is provided in fuel tank, cover board top is connected with several bushings, and high-voltage connection is equipped in bushing, and one end connection that high-voltage connection passes through bushing is connect with lead end daughter board；Terminal stud on tap switch ontology is connect with lead end daughter board；Original transformer-cabinet and coil, iron core are not destroyed, only remove former transformer box cover, install the vacuum on-load tap changer of the utility model structure, connect the lead of transformer and tap switch, it can be completed and former transformer on-load voltage regulating is improved, it is easy installation and reliable, it can be completed at distribution scene.
Description
Technical field
The utility model patent is suitable for electrical equipment, more particularly to a kind of permanent magnetism on-load voltage regulation point of transformer
Connect switchgear.
Background technique
Distribution transformer in the process of running, due to the period and seasonal variety of power load, causes transformer defeated
Voltage fluctuation out exceeds electrical equipment normal use voltage range, influences electrical equipment normal use and service life.And current distribution
The voltage-regulation tap changer of transformer mostly uses greatly No-load changer tap switch as shown in Figure 9, Figure 10, and when pressure regulation, which needs to cut off, to be become
Depressor power supply, then carry out manual voltage regulation, influences power supply continuity, and there are heavy workload, cannot adjust in time the disadvantages of.There is load
Voltage-regulation tap changer can guarantee that voltage output in acceptability limit, improves power supply quality and stabilization in case of constant power
Property.
The country also has the on-load tap changer of more producer's production distribution transformers, and form is also varied, but
It is the transformer that can be only applied to coming of new, the existing no-load distribution transformer used cannot be transformed.
Utility model content
The utility model is directed to disadvantage mentioned above, provides a kind of permanent magnetism on-load tap changer equipment of transformer, can be with
Facilitate the transformation realized to first wife's piezoelectric transformer, do not change original transformer body, only increases on-load voltage regulation tap in outside and open
Close part, so that it may realize distribution transformer on-load voltage regulation, solving former No-load changer distribution transformer cannot be according to voltage change
The defect of real-time pressure regulation.
To achieve the goals above, the utility model is achieved through the following technical solutions:
A kind of permanent magnetism on-load tap changer equipment of transformer, the fuel tank including being equipped with oil medium, the fuel tank
Bottom is provided with retaining mechanism, and the retaining mechanism internal locking is equipped with sealing ring and lead end daughter board, installation in the fuel tank
There is the voltage-regulation tap changer being electrically connected with lead end daughter board, the top of oil-tank is provided with cover board, and the cover board upper surface is vertical
Bushing is installed, high-voltage connection is equipped in the bushing, the high-voltage connection sequentially passes through cover board and fuel tank
It bottom and is electrically connected with lead end daughter board, the voltage-regulation tap changer is electrically connected with lead end daughter board.
Preferably, the bushing, lead end daughter board are respectively arranged with three, and the bushing and lead terminal
Plate is arranged in a one-to-one correspondence up and down.
Preferably, the retaining mechanism includes pressing plate, No.1 screw rod, and No.1 screw rod one end is through pressing plate and is connected to
Tank bottoms, the pressing plate and tank bottoms are formed with accommodating cavity, and the lead end daughter board is arranged in accommodating cavity, the sealing
Circle be arranged between lead end daughter board and tank bottoms, adjust the No.1 screw rod so that pressing plate is locked lead end daughter board.
Preferably, the cover board lower surface is spirally connected there are four No. two screw rods, and the voltage-regulation tap changer passes through four No. two
Screw rod is connected on cover board lower surface；The cover board top is provided with several No. three screw rods to fix bushing, the high pressure
Briquetting is provided on casing.
Preferably, the cover board and fuel tank junction are provided with sealing strip, and the sealing strip is thermoplasticity ethylene-propylene-diene monomer
Glue sealing strip.
Preferably, the sealing ring is O-shaped.
Preferably, temperature sensor is provided in the fuel tank, the temperature sensor is connected with display, the fuel tank
The density of middle oil is not more than 0.85kg/m3。
Preferably, several oil filler points are provided on the cover board.
The utility model has the advantages that the utility model does not destroy original transformer-cabinet and coil, iron core, former transformer tank is only removed
Lid, installs the vacuum on-load tap changer of structure of the invention, connects the lead of transformer and tap switch, can be complete
Original transformer on-load voltage regulating improves in pairs, easy installation and reliable, can be completed at distribution scene.At present without excitation distribution transformer
Usage quantity is huge, and significant portion territory of use is there is an urgent need to increase on-load voltage regulation function, therefore market prospects are very big.
Detailed description of the invention
Fig. 1 is the utility model vacuum loaded switch main view.
Fig. 2 is the utility model vacuum loaded switch left view.
Fig. 3 is the utility model vacuum loaded switch top view.
Fig. 4 is the utility model left view part A partial enlarged view.
Fig. 5 is the utility model fuel tank schematic diagram.
Fig. 6 is the utility model cover plate schematic diagram.
Fig. 7 is main view after the repacking of the utility model transformer.
Fig. 8 is the utility model transformer repacking trailing flank perspective view.
Fig. 9 is original transformer main view.
Figure 10 is original transformer side perspective view.
In figure, 1, fuel tank, 2, cover board, 3, bushing, 4, high-voltage connection, 5, sealing strip, 6, voltage-regulation tap changer, 7, close
Seal, 8, lead end daughter board, 9, pressing plate, 11, No.1 bolt, 12, No. three bolts, 13, No. two bolts, 101, transformer, 105,
Low-tension bushing, 106, low-voltage lead, 108, transformer coil.
Specific embodiment
Below in conjunction with Figure of description, the utility model is described in further detail, but the utility model be not limited to
Lower embodiment.
A kind of the utility model permanent magnetism on-load tap changer equipment of transformer according to Fig. 1-Fig. 8, it is a kind of
The permanent magnetism on-load tap changer equipment of transformer, the fuel tank 1 including being equipped with oil medium, the bottom of fuel tank 1 is provided with locking
Mechanism, retaining mechanism internal locking are equipped with sealing ring 7 and lead end daughter board 8, are equipped in fuel tank 1 and are electrically connected with lead end daughter board 8
The voltage-regulation tap changer 6 connect, is provided with cover board 2 at the top of fuel tank 1, and 2 upper surface of cover board is vertically-mounted bushing 3, high
Be equipped with high-voltage connection 4 in pressing sleeve pipe 3, high-voltage connection 4 sequentially pass through cover board 2 and 1 bottom of fuel tank and with 8 electricity of lead end daughter board
Connection, the voltage-regulation tap changer 6 are electrically connected with lead end daughter board 8.
The permanent magnetism on-load tap changer equipment of a kind of transformer of the utility model, by as shown in Figure 9, Figure 10
No-load distribution transformer 101 improves, and is become to guarantee that voltage output in acceptability limit, mentions in case of constant power
The quality and stability of height power supply.The utility model removes transformer cover board in original no-load distribution transformer, hangs out iron core,
Top installs permanent magnetism voltage adjustment of on-load tap switch additional, keeps low-tension bushing 106 and low-voltage lead 105 constant, high-voltage tap head line is drawn
To the lead end daughter board 8 of 6 bottom of voltage-regulation tap changer, repacking can be realized.In order to by existing various sizes of No-load changer
Switch is replaced with on-load voltage regulating switch as shown in Figure 7, Figure 8, the former transformer size design that 1 bottom plate of fuel tank is reequiped as needed,
Guarantee cover board 2, the size of fuel tank 1 is adapted with transformer body.On-load tap changer includes cover board 2 and is connected to cover board
The fuel tank 1 equipped with oil medium of 2 bottoms, the retaining mechanism of 1 bottom of fuel tank compress O-shaped for locking lead end daughter board 8
Sealing ring 7.Bushing 3 is set on cover board 2, and bushing 3 is for wearing high-voltage connection 4, and high-voltage connection 4 is through cover board 2, oil
Be electrically connected after case 1 with lead end daughter board 8, there are three bushing 3, lead end daughter board 8 are respectively set, and bushing 3 with draw
About 8 line end daughter board is arranged in a one-to-one correspondence.Each terminal stud on voltage-regulation tap changer 6 is also connected on lead end daughter board 8.It is close
The setting of seal 7 is in high-voltage connection 4 at fuel tank 1.Voltage-regulation tap changer 6 uses " JVSZT " type permanent magnetism of epoch electrical group
Vacuum on-load tap changer, voltage fluctuation is small when pressure regulation switches, and does not influence electrical equipment normal use, cuts in tap switch
Using vacuum extinction structure when changing contact, reliable performance is pollution-free to transformer oil.
As advanced optimizing, retaining mechanism includes for carrying the pressing plate 9 of lead end daughter board 8, by pressing plate 9 and fuel tank 1
The No.1 screw rod 11 of connection, 11 one end of No.1 screw rod is through pressing plate 9 and is connected to 1 bottom of fuel tank, pressing plate 9 and 1 bottom shape of fuel tank
At there is accommodating cavity, lead end daughter board 8 is arranged in accommodating cavity, and sealing ring 7 is arranged between 1 bottom of lead end daughter board 8 and fuel tank, adjusts
Section No.1 screw rod 11 lead end daughter board 8 so that pressing plate 9 is locked, while compressing sealing ring 7.
As advanced optimizing, 2 lower surface of cover board is spirally connected there are four No. two screw rods 13, and voltage-regulation tap changer 6 passes through four
No. two screw rods 13 are lifted on 2 lower surface of cover board；2 top of cover board is provided with several No. three screw rods 12 to fix bushing 3, each
Three No. three screw rods 12 are arranged in 3 surrounding of bushing, and there are also dedicated briquettings for further fixing bushing for bushing 3
3。
As advanced optimizing, cover board 2 and 1 junction of fuel tank are provided with sealing strip 5, and sealing strip is thermoplasticity EPDM
Rubber weather strip, thermoplasticity EPT rubber packing item have antiseepage, leakproof, corrosion-resistant, ageing-resistant, high-low temperature resistant etc. excellent
Point meets the demand of the utility model.
As advanced optimizing, it is provided with temperature sensor in fuel tank 1, temperature sensor is connected with display, in fuel tank 1
The density of oil is not more than 0.85kg/m3.Temperature sensor is used to detect the temperature of oil at work in fuel tank 1, passes through display
Shield reaction temperature, avoid that accident occurs, while controlling the density of oil no more than 0.85kg/m3, make the water or other magazines generated
6 working environment of voltage-regulation tap changer can not be influenced with natural sedimentation.
As advanced optimizing, several oil filler points are provided on cover board, for supplementing oil medium.
The characteristics of the utility model, is, can not only use on the transformer of coming of new, more may be mounted at has made
On no-load distribution transformer, and installation process is simple, can operate in transformer field, for not having to the transformer of model,
It only needs to be adapted to according to the size of 1 bottom plate of transformer model change fuel tank.
Finally it should be noted that the utility model is not limited to above embodiments, there can also be many variations.This field
The those of ordinary skill's all deformations that directly can export or associate from content disclosed by the utility model, be considered as
The protection scope of the utility model.
Claims (8)
1. a kind of permanent magnetism on-load tap changer equipment of transformer, it is characterised in that: the fuel tank including being equipped with oil medium
(1), the bottom of the fuel tank (1) is provided with retaining mechanism, and the retaining mechanism internal locking is equipped with sealing ring (7) and lead end
Daughter board (8), the fuel tank (1) is interior to be equipped with the voltage-regulation tap changer (6) being electrically connected with lead end daughter board (8), the fuel tank (1)
Top is provided with cover board (2), and cover board (2) upper surface is vertically-mounted to be had bushing (3), is worn in the bushing (3)
Equipped with high-voltage connection (4), the high-voltage connection (4) sequentially pass through cover board (2) and fuel tank (1) bottom and with lead end daughter board
(8) it is electrically connected, the voltage-regulation tap changer (6) is electrically connected with lead end daughter board (8).
2. a kind of permanent magnetism on-load tap changer equipment of transformer according to claim 1, it is characterised in that: described
There are three bushing (3), lead end daughter board (8) are respectively set, and the bushing (3) and lead end daughter board (8) are up and down
It is arranged in a one-to-one correspondence.
3. a kind of permanent magnetism on-load tap changer equipment of transformer according to claim 1 or 2, it is characterised in that:
The retaining mechanism includes pressing plate (9), No.1 screw rod (11), and described No.1 screw rod (11) one end is through pressing plate (9) and is connected to
Fuel tank (1) bottom, the pressing plate (9) and fuel tank (1) bottom are formed with accommodating cavity, and lead end daughter board (8) setting is accommodating
Intracavitary, the sealing ring is arranged between lead end daughter board (8) and fuel tank (1) bottom, adjusts the No.1 screw rod (11) so that pressure
Plate (9) is locked lead end daughter board (8).
4. a kind of permanent magnetism on-load tap changer equipment of transformer according to claim 1, it is characterised in that: described
Cover board (2) lower surface is spirally connected there are four No. two screw rods (13), and the voltage-regulation tap changer (6) is connected by four No. two screw rods (13)
It connects on cover board (2) lower surface；Cover board (2) top is provided with several No. three screw rods (12) to fix bushing (3), institute
It states and is provided with briquetting on bushing (3).
5. a kind of permanent magnetism on-load tap changer equipment of transformer according to claim 1, it is characterised in that: described
Cover board (2) and fuel tank (1) junction are provided with sealing strip (5), and the sealing strip is thermoplasticity EPT rubber packing item.
6. a kind of permanent magnetism on-load tap changer equipment of transformer according to claim 1, it is characterised in that: described
Sealing ring is O-shaped.
7. a kind of permanent magnetism on-load tap changer equipment of transformer according to claim 1, it is characterised in that: described
It is provided with temperature sensor in fuel tank (1), the temperature sensor is connected with display, and oily density is not in the fuel tank (1)
Greater than 0.85kg/m3。
8. a kind of permanent magnetism on-load tap changer equipment of transformer according to claim 1, it is characterised in that: described
Cover board is provided with several oil filler points on (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139126.7U CN208690049U (en) | 2018-07-18 | 2018-07-18 | A kind of permanent magnetism on-load tap changer equipment of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821139126.7U CN208690049U (en) | 2018-07-18 | 2018-07-18 | A kind of permanent magnetism on-load tap changer equipment of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208690049U true CN208690049U (en) | 2019-04-02 |
Family
ID=65881041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821139126.7U Active CN208690049U (en) | 2018-07-18 | 2018-07-18 | A kind of permanent magnetism on-load tap changer equipment of transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208690049U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087779A (en) * | 2018-07-18 | 2018-12-25 | 浙江纪元电气科技股份有限公司 | A kind of permanent magnetism on-load tap changer equipment of transformer |
| CN111029120A (en) * | 2019-12-27 | 2020-04-17 | 广东电网有限责任公司电力科学研究院 | On-load capacity and voltage regulating switch and system applied to dry-type transformer |
| CN113325209A (en) * | 2020-12-02 | 2021-08-31 | 吴江变压器有限公司 | Design method of temporary sleeve outgoing line for transformer test |
-
2018
- 2018-07-18 CN CN201821139126.7U patent/CN208690049U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109087779A (en) * | 2018-07-18 | 2018-12-25 | 浙江纪元电气科技股份有限公司 | A kind of permanent magnetism on-load tap changer equipment of transformer |
| CN111029120A (en) * | 2019-12-27 | 2020-04-17 | 广东电网有限责任公司电力科学研究院 | On-load capacity and voltage regulating switch and system applied to dry-type transformer |
| CN113325209A (en) * | 2020-12-02 | 2021-08-31 | 吴江变压器有限公司 | Design method of temporary sleeve outgoing line for transformer test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200819 Address after: No.39 Jiangbin Road, Jiangshan City, Quzhou City, Zhejiang Province Patentee after: Qiu Chenchen Address before: 324100 intersection Village intersection No. 198-4 of Qinghu Town, Jiangshan City, Quzhou, Zhejiang Patentee before: ZHEJIANG SINOERA ELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201125 Address after: No.2 Longshan Road, Qinghu street, Jiangshan City, Quzhou City, Zhejiang Province Patentee after: Juyuan intelligent electric (Zhejiang) Co., Ltd Address before: No.39 Jiangbin Road, Jiangshan City, Quzhou City, Zhejiang Province Patentee before: Qiu Chenchen |
|
| TR01 | Transfer of patent right |