CN201533268U - Anti-corrosive water resistance secondary short circuit polar plate - Google Patents
Anti-corrosive water resistance secondary short circuit polar plate Download PDFInfo
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- CN201533268U CN201533268U CN2009202677139U CN200920267713U CN201533268U CN 201533268 U CN201533268 U CN 201533268U CN 2009202677139 U CN2009202677139 U CN 2009202677139U CN 200920267713 U CN200920267713 U CN 200920267713U CN 201533268 U CN201533268 U CN 201533268U
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- polar plate
- contact
- short circuit
- plate electrode
- movable plate
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Abstract
The utility model discloses an anti-corrosive water resistance secondary short circuit polar plate which comprises a moving polar plate, a moving contact, a static polar plate, a static contact, a moving polar plate mounting bracker, a connecting screw, a soft copper belt, a spring and the like and is characterized in that the moving polar plate and the moving contact are matched in the moving polar plate mounting bracker in a sliding way through the spring and the connecting screw; the polar plate is made of graphite; the contact is made of metal; the short circuit distance of the contact is greater than the short circuit distance of the polar plate; and the short circuit sequence of the polar plate is firstly the graphite polar plate and then the metal contact, and the disconnection sequence is firstly the metal contact and then the graphite polar plate. The utility model has the advantages of preventing electrocorrosion and fusion welding of the polar plate and the contact, having small short circuit resistance, long service life, energy saving, and the like, can be widely applied to a water resistance starting device and a speed control device of the electromotor, and is used for replacing the water resistance polar plate and short circuit (an alternating current contactor or a high-voltage circuit breaker) switch of the existing device.
Description
Technical field
The utility model relate to a kind of be used for motor water resistance starting and speed governing pole plate and short-circuit device, the water resistance pole plate and the short-circuit device of more specifically say so a kind of being used for (mouse-cage type or winding-type) motor water resistance starting device and coiling electric motor rotor string water resistance speed regulating device.
Technical background
Water resistance is low because of price, thermal capacity is big, resistance is easy to adjust, and resistance is widely used in (mouse-cage type and winding-type) starting device of motor and the coiling electric motor rotor string water resistance speed regulating device with characteristics such as the automatic reductions of temperature rising.But: (A) when electric current passes through the metal polar plate of water resistance, can produce the galvano-cautery phenomenon, prior art seldom relates to water resistance pole plate galvano-cautery problem, causes the water resistance pole plate short useful life; (B) metallicity pole plate such as direct short circuit can produce very high temperature in the moment of short circuit, thereby cause the melting welding phenomenon of pole plate.For avoiding the generation of melting welding phenomenon, produce in (mouse-cage type and winding-type) motor water resistance starting device and the coiling electric motor water resistance speed regulating device at present and need join shorting switch (as A.C. contactor or primary cut-out) in addition, increased the volume and the cost of device." brushless automatic control electric machine soft starter " (patent No. is: 200820175688.7) considered galvano-cautery of water resistance pole plate and welding problems, but only by graphite cake short circuit movable plate electrode and static plate electrode, can cause the pole plate contact resistance to increase, can generate heat behind the pole plate short circuit, thereby cause the wasting phenomenon of the energy and the loss of water resistance.
The utility model content
The purpose of the utility model design is: keep Brushless Automatic Control Motor Soft Actuator pole plate short circuit mode long service life, advantages such as no melting welding, it is big to overcome its contact resistance, shortcomings such as easy heating, and make the water resistance pole plate become a universal component, be applied in (mouse-cage type and winding-type) motor water resistance starting device and the coiling electric motor water resistance speed regulating device, reduce cost, reduce volume to substitute the water resistance pole plate and the short-circuit devices such as A.C. contactor or primary cut-out thereof of prior art, to reach, improve useful life and purpose of energy saving.
For realizing this purpose, the technical scheme that the utility model designing institute is taked is: a kind of anti-corrosion type water resistance secondary short circuit pole plate, it is made up of movable plate electrode (15), moving contact (11), static plate electrode (12), fixed contact (13), movable plate electrode fixed mount (6), connection screw rod (10) soft copper band (3) and (9) and spring etc.Be characterised in that: described movable plate electrode (15), moving contact (11) are all slided by spring and connection screw rod (10) and are fitted on the movable plate electrode fixed mount (6); The material of movable plate electrode (15) and static plate electrode (12) is a graphite, and the material of moving contact (11) and fixed contact (13) is a metal; Moving contact (11) and fixed contact (13) short circuit distance are greater than movable plate electrode (15) and static plate electrode (12) short circuit distance, pole plate (graphite) is prior to contact (metal) short circuit in the short circuit process of pole plate, during disconnection, contact is prior to pole plate, like this, the short circuit voltage of contact is the pole plate contact voltage drop, guarantees that contact the melting welding phenomenon can not take place; Simultaneously, owing to the distance of contact electrical distance greater than pole plate, and the area of contact has reduced the galvano-cautery speed of contact much smaller than the area of pole plate.Movable plate electrode (15) and moving contact (11) and external electric the connection by soft copper band (9) and (3) soft connection move freely with respect to movable plate electrode fixed mount (6) to guarantee movable plate electrode (15) and moving contact (11).Static plate electrode (12) and fixed contact (13) and the external electric hard connection of employing that connects are to make things convenient for the device manufacturing and to reduce installation cost.Three of the three-phase alternating current loop or six movable plate electrodes (15) and moving contact (11) can be installed on the same movable plate electrode fixed mount (6), to make things convenient for the device manufacturing and to reduce installation cost.The relative distance of movable plate electrode (15) and moving contact (11) and static plate electrode (12) and fixed contact (13) can pass through nut (2) and (4) adjustment, to make things convenient for the distance and the same period of in the every covering device of adjustment three or six pole plates and contact.
The basic principle of the utility model design is: 1, utilize the graphite pole plate to reduce galvano-cautery; 2, disconnect the generation of avoiding pole plate melting welding and adhesion after utilizing graphite pole plate elder generation short circuit; 3, utilize metal contact to reduce contact voltage drop, improve operational efficiency and reach purpose of energy saving; 4, utilize the distance of the distance of contact greater than pole plate, the area of pole plate reduces the galvano-cautery speed of contact greater than the area of contact.
Design is further described to the utility model below in conjunction with accompanying drawing, provides embodiment simultaneously.
Description of drawings:
Fig. 1 is the concrete main structure cutaway view of implementing for the utility model designs;
Fig. 2 uses the main structure cutaway view for the utility model designs embodiment at the brushless automatic control electric machine soft starter;
Fig. 3 uses upright structure cutaway view for the utility model designs embodiment at the brushless automatic control electric machine soft starter;
Fig. 4 designs embodiment at mouse-cage type water resistance starting device application structure sketch for the utility model.
Embodiment: as shown in Figure 1, it is made up of movable plate electrode (15), moving contact (11), static plate electrode (12), fixed contact (13), movable plate electrode fixed mount (6), connection screw rod (10) soft copper band (3) and (9) and spring etc.Be characterised in that: described movable plate electrode (15), moving contact (11) are all slided by spring and connection screw rod (10) and are fitted on the movable plate electrode fixed mount (6); Movable plate electrode (15) and static plate electrode (12) are graphite, and moving contact (11) and fixed contact (13) are metals; Moving contact (11) and fixed contact (13) short circuit distance are greater than movable plate electrode (15) and static plate electrode (12) short circuit distance, and pole plate (graphite) guarantees the melting welding phenomenon not to take place prior to contact (metal) short circuit in the short circuit process of assurance pole plate; Simultaneously, owing to the distance of contact electrical distance greater than pole plate, and the area of contact has reduced the galvano-cautery speed of contact much smaller than the area of pole plate.Movable plate electrode (15) and moving contact (11) and external electric the connection by soft copper band (9) and (3) soft connection move freely with respect to movable plate electrode fixed mount (6) to guarantee movable plate electrode (15) and moving contact (11).Static plate electrode (12) and fixed contact (13) and the external electric hard connection of employing that connects are to make things convenient for the device manufacturing and to reduce installation cost.
Use embodiment at the brushless automatic control electric machine soft starter: as shown in Figure 2, six movable plate electrodes (15) and moving contact (11) are all slided by spring and connection screw rod (10) and are fitted on the collar plate shape movable plate electrode fixed mount (6).Collar plate shape movable plate electrode fixed mount (6) adopts metal to make; Movable plate electrode (15) carries out electric the connection by soft copper band (9) with moving contact (11), and moving contact (11) carries out electric the connection by soft copper band (3) with collar plate shape movable plate electrode fixed mount (6).Six static plate electrodes (12) all carry out electric the connection by copper bar with binding post with fixed contact (13).The distance of six movable plate electrodes and static plate electrode is adjusted by nut (2), to guarantee their same period; The distance of six moving contacts and fixed contact is adjusted by nut (4), to guarantee their same period
Use embodiment at mouse-cage type water resistance starting device: as shown in Figure 3, need seal in the threephase stator loop of motor because of water resistance, therefore, there is not the common-battery site, movable plate electrode fixed mount (6) needs to adopt insulating material to make, and moving contact (11) all carries out electric the connection by soft copper band (3) with corresponding binding post.Because pole plate (graphite) is prior to contact (metal) short circuit in the anti-corrosion type water resistance secondary short circuit pole plate, guarantee the melting welding phenomenon not to take place, simultaneously, because of contact is a metal, contact resistance is little, can substitute the shorting switch (as A.C. contactor or primary cut-out) in the existing apparatus fully.
Claims (3)
1. anti-corrosion type water resistance secondary short circuit pole plate, it by movable plate electrode (15), moving contact (11), static plate electrode (12), fixed contact (13), movable plate electrode fixed mount (6), connect screw rod (10), soft copper band (3) and (9) and spring etc. and form; Be characterised in that: described movable plate electrode (15), moving contact (11) are all slided by spring and connection screw rod (10) and are fitted on the movable plate electrode fixed mount (6); The material of movable plate electrode (15) and static plate electrode (12) is a graphite, and the material of moving contact (11) and fixed contact (13) is a metal; Moving contact (11) and fixed contact (13) short circuit distance are greater than movable plate electrode (15) and static plate electrode (12) short circuit distance; Movable plate electrode (15) can be by soft copper band (9) and (3) soft connection with moving contact (11) and external electric the connection; Static plate electrode (12) with fixed contact (13) and external electric the connection can adopt hard connection.
2. anti-corrosion type water resistance secondary short circuit pole plate according to claim 1 is characterized in that: three of the three-phase alternating current loop or six movable plate electrodes (15) and moving contact (11) can be installed on the same movable plate electrode fixed mount (6).
3. anti-corrosion type water resistance secondary short circuit pole plate according to claim 1 is characterized in that: movable plate electrode (15) and moving contact (11) can pass through nut (5) with the relative distance of static plate electrode (12) and fixed contact (13) and (3) are adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202677139U CN201533268U (en) | 2009-10-10 | 2009-10-10 | Anti-corrosive water resistance secondary short circuit polar plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202677139U CN201533268U (en) | 2009-10-10 | 2009-10-10 | Anti-corrosive water resistance secondary short circuit polar plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201533268U true CN201533268U (en) | 2010-07-21 |
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ID=42528667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202677139U Expired - Fee Related CN201533268U (en) | 2009-10-10 | 2009-10-10 | Anti-corrosive water resistance secondary short circuit polar plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201533268U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300820A (en) * | 2016-08-29 | 2017-01-04 | 武汉钢铁股份有限公司 | A kind of remodeling method reducing wound-rotor motor energy consumption |
| CN110137810A (en) * | 2019-05-26 | 2019-08-16 | 余姚市宏宇输变电工程有限公司舜能电气分公司 | A kind of switchgear |
-
2009
- 2009-10-10 CN CN2009202677139U patent/CN201533268U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106300820A (en) * | 2016-08-29 | 2017-01-04 | 武汉钢铁股份有限公司 | A kind of remodeling method reducing wound-rotor motor energy consumption |
| CN110137810A (en) * | 2019-05-26 | 2019-08-16 | 余姚市宏宇输变电工程有限公司舜能电气分公司 | A kind of switchgear |
| CN110137810B (en) * | 2019-05-26 | 2024-05-17 | 余姚市宏宇输变电工程有限公司舜能电气分公司 | Switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100721 Termination date: 20101010 |