CN204991545U - Two power automatic transfer switch contact system of PC level - Google Patents
Two power automatic transfer switch contact system of PC level Download PDFInfo
- Publication number
- CN204991545U CN204991545U CN201520776176.6U CN201520776176U CN204991545U CN 204991545 U CN204991545 U CN 204991545U CN 201520776176 U CN201520776176 U CN 201520776176U CN 204991545 U CN204991545 U CN 204991545U
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- contact
- transmission shaft
- power transmission
- end fixed
- load
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Abstract
The utility model discloses a two power automatic transfer switch contact system of PC level, its characterized in that: constitute by stack around a plurality of single -phase contact units, every looks contact unit is including the back base, the front shroud, end static contact commonly used, reserve end static contact, the load end static contact, moving contact and transmission shaft, the transmission shaft rotates the setting in the central authorities of back base, the fixed transmission shaft left side of locating of load end static contact, end static contact commonly used and reserve end static contact be the fixed transmission shaft right side of locating one on the other, it rotates along with the transmission shaft on the transmission shaft to move contact connection, moving contact left end and load end static contact sliding contact, the right -hand member contacts with end static contact commonly used when upper limit position, contact with reserve end static contact when the lower limit position. The utility model has the advantages that: adopt the modularized design, power end commonly used, stand -by power supply end and load end setting are in a working chamber, and the load end adopts overall structure, reduces the switch consumption.
Description
Technical field
The utility model relates to a kind of PC level double power supply automatic transfer switch, is specifically related to a kind of contact system of PC level double power supply automatic transfer switch.
Background technology
The power consumption equipment in the important electricity consumption place of the main guarantee of PC level automatic change-over can not power-off, power consumption equipment reliability service, operational reliability and the contact system of PC level automatic change-over have direct relation.The contact system that traditional PC level automatic change-over uses, two power supplys (conventional power supply, stand-by power supply) have separately, independently contact system, thus just need the independent contact system of two covers, structure relative complex, assembling is also inconvenient, and conventional power supply or stand-by power supply all have load end in addition, and two load ends need additional short circuit busbar to connect, strengthen loop resistance, increase the power consumption of change over switch.
Summary of the invention
For the deficiency that prior art exists, the purpose of this utility model aims to provide a kind of employing modularized design, conventional power end, standby electricity source and load end are arranged in a working chamber, load end adopts overall structure, reduces the PC level double power supply automatic transfer switch contact system of switching power loss.
The utility model is implemented by the following technical programs:
PC level double power supply automatic transfer switch contact system, it is characterized in that: form by superposing before and after some single-phase contact units, every phase contact unit comprises rear pedestal, front shroud, usual end fixed contact, end fixed contact for subsequent use, load end fixed contact, moving contact and power transmission shaft, the conventional power supply of every phase contact unit, stand-by power supply and load power source terminals are all arranged on by rear pedestal, in the separate space that front shroud crosses, power transmission shaft rotates in the central authorities of rear pedestal and arranges, the front axle head of power transmission shaft to be formed with the power transmission shaft of adjacent phase contact unit through front shroud and is connected, load end fixed contact is fixed on the left of power transmission shaft, load end fixed contact has annular slab structure, its terminal block is protruding from the left side of rear pedestal, usual end fixed contact and end fixed contact for subsequent use are fixed on the right side of power transmission shaft one on the other, its terminal block is protruding from the right side of rear pedestal, moving contact is connected on power transmission shaft and rotates with power transmission shaft, moving contact left end and the sliding contact of load end fixed contact, right-hand member contacts with usual end fixed contact when upper limit position, contact with end fixed contact for subsequent use when lower position.
Be provided with cross-perforating in the middle of power transmission shaft to load by moving contact, moving contact is made up of front and back contact clamping plate and front and back spring leaf, the medial surface of front and back contact clamping plate is provided with interior salient point to be made mutually to leave certain distance between the contact clamping plate of front and back, lateral surface is provided with outer salient point and locates for the two ends of front and back spring leaf, before and after the medial surface of spring leaf to recline front and back contact clamping plate lateral surface, the lateral surface of front and back spring leaf reclines cross-perforating hole wall.
The front axle head of power transmission shaft has hexagonal square toes, and rear axle head has the hexagonal square hole of coupling hexagonal square toes.
Rear pedestal, front shroud are square, adopt resin-insulated material, and power transmission shaft adopts and strengthens flame-retardant insulating material.
The utility model has the advantages that: 1. adopt modularized design, conventional power end, standby electricity source and load end are arranged in a working chamber, and two power supplys (conventional power supply, stand-by power supply) have same contact system; 2. load end adopts overall structure, only establishes a load end fixed contact in every phase contact unit, and conventional power supply and stand-by power supply share same load end, reduce switching power loss; 3. because only having a moving contact in every phase contact unit, transformed load end all can only connect with a power end (conventional power supply or stand-by power supply) in any case, the possibility that when avoiding problems switching action, two-way power supply closes by transmission mechanism simultaneously, ensures the safety of power consumption equipment; 4. every phase contact unit is independently arranged, and the power transmission shaft in every phase contact unit can be socketed front and back, and assembly technology is simple, does not need Special tooling clamp just can complete assembling.
Accompanying drawing explanation
The utility model has the following drawings:
Fig. 1 is the mounting structure figure of the utility model on change over switch,
Fig. 2 is the structural representation of contact unit,
Fig. 3 is the structure chart of moving contact,
Fig. 4 is the axial view of Fig. 3.
Embodiment
As shown in the figure, PC level double power supply automatic transfer switch contact system of the present utility model, form by superposing before and after three single-phase contact units, every phase contact unit comprises rear pedestal 1, front shroud 2, usual end fixed contact 24, end fixed contact 26 for subsequent use, load end fixed contact 21, moving contact 20 and power transmission shaft 22, the conventional power supply of every phase contact unit, stand-by power supply and load power source terminals are all arranged on by rear pedestal 1, in the separate space that front shroud 2 crosses, rear pedestal, front shroud is square, adopt DMC-1 resin-insulated material, power transmission shaft 22 rotates in the central authorities of rear pedestal 1 and arranges, power transmission shaft 22 adopts and strengthens flame-retardant PA 66 insulating material, the front axle head of power transmission shaft 22 to be formed with the power transmission shaft of adjacent phase contact unit through front shroud 2 and is connected, the front axle head of power transmission shaft 22 has hexagonal square toes 23, rear axle head has the hexagonal square hole 27 of coupling hexagonal square toes, easily can realize pivot bush unit between the power transmission shaft of front and back to connect, load end fixed contact 21 is fixed in rear pedestal 1 location notch on the left of power transmission shaft 22, load end fixed contact 21 has annular slab structure, its terminal block is protruding from the left side of rear pedestal, usual end fixed contact 24 and end fixed contact 26 for subsequent use are fixed in rear pedestal 1 location notch on the right side of power transmission shaft 22 one on the other, its terminal block is protruding from the right side of rear pedestal, moving contact 20 is connected on power transmission shaft 22 and rotates with power transmission shaft 22, moving contact 20 left end and load end fixed contact 21 sliding contact, right-hand member contacts with usual end fixed contact 24 when upper limit position, contact with end fixed contact 26 for subsequent use when lower position, conventional, contact with the moving contact side at position of end fixed contact for subsequent use is provided with arc extinguishing board 25.
Be provided with cross-perforating in the middle of power transmission shaft 22 to load by moving contact 20, moving contact is made up of front and back contact clamping plate 30 and front and back spring leaf 28, the medial surface of front and back contact clamping plate 30 is provided with interior salient point 31 to be made mutually to leave certain distance between front and back contact clamping plate 30, lateral surface is provided with outer salient point 29 and locates for the two ends of front and back spring leaf 28, before and after the medial surface of spring leaf 28 to recline front and back contact clamping plate 30 lateral surface, the lateral surface of front and back spring leaf 28 reclines cross-perforating hole wall.During work, under the elastic force effect of front and back spring leaf 28, front and back contact clamping plate 30 are clamped in the front and rear surfaces of load end fixed contact 21 respectively, realize moving contact 20 and load end fixed contact 21 better sliding contact.
Claims (4)
1.PC level double power supply automatic transfer switch contact system, it is characterized in that: form by superposing before and after some single-phase contact units, every phase contact unit comprises rear pedestal, front shroud, usual end fixed contact, end fixed contact for subsequent use, load end fixed contact, moving contact and power transmission shaft, the conventional power supply of every phase contact unit, stand-by power supply and load power source terminals are all arranged on by rear pedestal, in the separate space that front shroud crosses, power transmission shaft rotates in the central authorities of rear pedestal and arranges, the front axle head of power transmission shaft to be formed with the power transmission shaft of adjacent phase contact unit through front shroud and is connected, load end fixed contact is fixed on the left of power transmission shaft, load end fixed contact has annular slab structure, its terminal block is protruding from the left side of rear pedestal, usual end fixed contact and end fixed contact for subsequent use are fixed on the right side of power transmission shaft one on the other, its terminal block is protruding from the right side of rear pedestal, moving contact is connected on power transmission shaft and rotates with power transmission shaft, moving contact left end and the sliding contact of load end fixed contact, right-hand member contacts with usual end fixed contact when upper limit position, contact with end fixed contact for subsequent use when lower position.
2. PC level double power supply automatic transfer switch contact system as claimed in claim 1, it is characterized in that: be provided with cross-perforating in the middle of power transmission shaft and load by moving contact, moving contact is made up of front and back contact clamping plate and front and back spring leaf, the medial surface of front and back contact clamping plate is provided with interior salient point to be made mutually to leave certain distance between the contact clamping plate of front and back, lateral surface is provided with outer salient point and locates for the two ends of front and back spring leaf, before and after the medial surface of spring leaf to recline front and back contact clamping plate lateral surface, the lateral surface of front and back spring leaf reclines cross-perforating hole wall.
3. PC level double power supply automatic transfer switch contact system as claimed in claim 1, is characterized in that: the front axle head of power transmission shaft has hexagonal square toes, and rear axle head has the hexagonal square hole of coupling hexagonal square toes.
4. PC level double power supply automatic transfer switch contact system as claimed in claim 1, is characterized in that: rear pedestal, front shroud are square, adopt resin-insulated material, and power transmission shaft adopts and strengthens flame-retardant insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776176.6U CN204991545U (en) | 2015-10-09 | 2015-10-09 | Two power automatic transfer switch contact system of PC level |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776176.6U CN204991545U (en) | 2015-10-09 | 2015-10-09 | Two power automatic transfer switch contact system of PC level |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991545U true CN204991545U (en) | 2016-01-20 |
Family
ID=55125887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520776176.6U Expired - Fee Related CN204991545U (en) | 2015-10-09 | 2015-10-09 | Two power automatic transfer switch contact system of PC level |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204991545U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110060902A (en) * | 2019-06-10 | 2019-07-26 | 雷顿电气科技有限公司 | The operating mechanism of automatic transfer switching electric appliance |
| CN110137000A (en) * | 2019-05-15 | 2019-08-16 | 深圳市泰永电气科技有限公司 | Double breaking points change-over switch |
-
2015
- 2015-10-09 CN CN201520776176.6U patent/CN204991545U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110137000A (en) * | 2019-05-15 | 2019-08-16 | 深圳市泰永电气科技有限公司 | Double breaking points change-over switch |
| CN110060902A (en) * | 2019-06-10 | 2019-07-26 | 雷顿电气科技有限公司 | The operating mechanism of automatic transfer switching electric appliance |
| CN110060902B (en) * | 2019-06-10 | 2024-04-05 | 雷顿电气科技有限公司 | Operating mechanism of automatic transfer switch electric appliance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20181009 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |