CN208284677U - A kind of liquid resistance soft-start cabinet movable plate electrode device - Google Patents
A kind of liquid resistance soft-start cabinet movable plate electrode device Download PDFInfo
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- CN208284677U CN208284677U CN201820711012.9U CN201820711012U CN208284677U CN 208284677 U CN208284677 U CN 208284677U CN 201820711012 U CN201820711012 U CN 201820711012U CN 208284677 U CN208284677 U CN 208284677U
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- copper
- copper bar
- movable plate
- plate electrode
- liquid resistance
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Abstract
The utility model discloses a kind of liquid resistance soft-start cabinet movable plate electrode devices, including copper conductor and copper bar.It is characterized in that, the copper conductor is ring-type, the copper bar includes lateral copper bar, longitudinal copper bar and vertical copper bar, the cyclic annular copper conductor is fixed with the lateral copper bar and longitudinal welding copper bus, constitute firm mechanical connecting device, the firm mechanical connecting device is connect by the vertical copper bar with elevating lever in liquid resistance soft-start cabinet, and the controlled movable plate electrode device of lifting speed is constituted.The utility model structure is simple, stable, using cyclic annular copper conductor structure, reduces the resistance of liquid, improves the contact area of pole plate and electrolyte, and current-carrying more evenly, keeps lift adjustment more stable, runs safer.
Description
Technical field
The utility model relates to a kind of movable plate electrode device, liquid resistance box in especially a kind of reduced-voltage starting liquid resistance soft-start cabinet
With movable plate electrode device, belong to 3kV~10kV high power AC motor step down start equipment technical field.
Background technique
Middle pressure high power AC motor step down start equipment uses liquid resistance soft Starting Technology, and principle is to pass through control
The forward and reverse of motor drive a set of machine driven system mobile the distance between movable plate electrode and static plate electrode, and change seals in electronic
The resistance value in machine stator circuit achievees the purpose that reduced-voltage starting, to reduce starting current, reduces the impact to power grid.Dynamic pole
Plate between static plate electrode at a distance from it is bigger, liquid resistance is bigger, and for motor terminal voltage with regard to smaller, motor speed is lower；With it is dynamic,
The distance between static plate electrode becomes smaller, and motor speed gradually rises, and when dynamic and static pole plate completely attaches to, liquid electric resistance value is zero, electricity
Generator terminal reaches total pressure, and motor speed rises to as rated speed operation.
In the prior art, the movable plate electrode that most liquid resistance soft starting device uses is one piece of rectangular copper, in movable plate electrode
Lifting process in liquid resistance it is very big, rectangular copper edge current-carrying is uneven, it may occur that with the vertical copper on static plate electrode
It repels and attacks and wears liquid resistance and discharge, movable plate electrode lifting device can shake under the action of electric arc, eventually result in opening for motor
Dynamic failure, there is also very big security risks for liquid resistance soft starting device.
Utility model content
The purpose of this utility model is to provide a kind of liquid resistance soft-start cabinet movable plate electrode devices, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of liquid resistance soft-start cabinet movable plate electrode device, including copper conductor and copper bar.It is characterized in that, the copper is led
Body is ring-type, and the copper bar includes lateral copper bar, longitudinal copper bar and vertical copper bar, the cyclic annular copper conductor and the cross
It is fixed to copper bar and longitudinal welding copper bus, constitutes firm mechanical connecting device, the firm mechanical connecting device
It is connect by the vertical copper bar with elevating lever in liquid resistance soft-start cabinet, constitutes the controlled movable plate electrode device of lifting speed.
Preferably, the cyclic annular copper conductor is two or more, least radius 150mm, and 50mm incremented by successively
Cyclic annular copper conductor composition.
Preferably, the cyclic annular copper conductor is concentric circles parallel arrangement mode.
Preferably, the cyclic annular copper conductor is copper pipe or copper rod, and internal diameter is 20~40mm.
Preferably, the outer diameter of the copper pipe is 25~48mm.
Preferably, the cyclic annular copper conductor and the lateral copper bar and longitudinal copper bar diametrically constitute folder
The mechanical connecting device that angle is 60 °, 90 ° or 120 °.
Compared with prior art, the utility model has the beneficial effects that the utility model structure is simple, and it is stable, it adopts
With cyclic annular copper conductor parallel arrangement structure, reduces the resistance of liquid, improve the contact area of pole plate and electrolyte, current-carrying is more
Uniformly, keep lift adjustment more stable, run safer.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid resistance soft-start cabinet movable plate electrode device；
Fig. 2 is the A-A cross-sectional view of Fig. 1.
In figure: 1- ring-shaped conductor, 2- transverse direction copper bar, the longitudinal direction 3- copper bar, the vertical copper bar of 4-, 5- elevating lever.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Based on the embodiments of the present invention, those skilled in the art are not before making creative work
Every other embodiment obtained is put, is fallen within the protection scope of the utility model.
Please refer to Fig. 1~2, in the utility model embodiment, a kind of liquid resistance soft-start cabinet movable plate electrode device, including ring
Shape copper conductor 1, the multiple cyclic annular copper conductors 1 of different radii are welded and fixed with lateral copper bar 2 and longitudinal copper bar 3 respectively, and cyclic annular copper is led
Body 1 and lateral copper bar 2 and longitudinal copper bar 3 constitute firm mechanical connecting device, and have good electrical connection paths, this is steady
Solid mechanical connecting device connect with elevating lever 5 in liquid resistance soft-start cabinet by vertical copper bar 4, composition lifting speed is controlled
Movable plate electrode device.Cyclic annular copper conductor 1 can be copper pipe or copper rod, can also by change cyclic annular 1 radius of copper conductor or quantity come
Change the shape size and current-carrying capacity of movable plate electrode, to adapt to the starting needs of different capabilities motor.
The utility model structure is simple, stable, using different radii ring-type copper conductor structure, has hollow gap, greatly
The resistance for reducing liquid greatly, increases the contact area of pole plate and electrolyte, and current-carrying more evenly, keeps lift adjustment more stable,
Prevent to cause movable plate electrode lifting device to run safer there is a phenomenon where shaking because of the arcing electric discharge between pole plate.
To those skilled in the art, the present invention is not limited to the details of the above exemplary embodiments and shape.
Here the deformation and change of the embodiment of draped over one's shoulders leakage is possible, the embodiment for those skilled in the art
Replacement and equivalent various parts be well known.It should be appreciated by the person skilled in the art that not departing from the use of the new type
Spirit or essential characteristics in the case where, the utility model can be with other structures, arrangement, ratio and with other elements, material
Expect to realize with component.
Claims (6)
1. a kind of liquid resistance soft-start cabinet movable plate electrode device, including copper conductor and copper bar, which is characterized in that the copper conductor
For ring-type, the copper bar includes lateral copper bar, longitudinal copper bar and vertical copper bar, the cyclic annular copper conductor and the transverse direction
Copper bar and longitudinal welding copper bus are fixed, and firm mechanical connecting device is constituted, and the firm mechanical connecting device is logical
It crosses the vertical copper bar to connect with elevating lever in liquid resistance soft-start cabinet, constitutes the controlled movable plate electrode device of lifting speed.
2. a kind of liquid resistance soft-start cabinet movable plate electrode device according to claim 1, which is characterized in that the ring-type copper
Conductor is two or more, and least radius is 150mm and the ring-shaped conductor composition of 50mm incremented by successively.
3. a kind of liquid resistance soft-start cabinet movable plate electrode device according to claim 1, which is characterized in that the ring-type copper
Conductor is concentric circles parallel arrangement mode.
4. a kind of liquid resistance soft-start cabinet movable plate electrode device according to claim 1, which is characterized in that the ring-type copper
Conductor is copper pipe or copper rod, and internal diameter is 20~40mm.
5. a kind of liquid resistance soft-start cabinet movable plate electrode device according to claim 4, which is characterized in that the copper pipe
Outer diameter is 25~48mm.
6. a kind of according to claim 1, liquid resistance soft-start cabinet movable plate electrode device described in 2,3,4 or 5, which is characterized in that
The ring-type copper conductor and the lateral copper bar and longitudinal copper bar diametrically constitute angle be 60 °, 90 ° or
120 ° of mechanical connecting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711012.9U CN208284677U (en) | 2018-05-14 | 2018-05-14 | A kind of liquid resistance soft-start cabinet movable plate electrode device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711012.9U CN208284677U (en) | 2018-05-14 | 2018-05-14 | A kind of liquid resistance soft-start cabinet movable plate electrode device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208284677U true CN208284677U (en) | 2018-12-25 |
Family
ID=64729344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820711012.9U Expired - Fee Related CN208284677U (en) | 2018-05-14 | 2018-05-14 | A kind of liquid resistance soft-start cabinet movable plate electrode device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208284677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700938A (en) * | 2019-10-22 | 2021-04-23 | 湖北中盛电气有限公司 | Dynamic and fixed polar plate for SYQT intelligent dynamic liquid resistance speed regulator |
-
2018
- 2018-05-14 CN CN201820711012.9U patent/CN208284677U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112700938A (en) * | 2019-10-22 | 2021-04-23 | 湖北中盛电气有限公司 | Dynamic and fixed polar plate for SYQT intelligent dynamic liquid resistance speed regulator |
| CN112700938B (en) * | 2019-10-22 | 2022-05-13 | 湖北中盛电气有限公司 | Dynamic and fixed polar plate for SYQT intelligent dynamic liquid resistance speed regulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20200514 |
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| CF01 | Termination of patent right due to non-payment of annual fee |