CN218333526U - Dual-power automatic transfer switching device - Google Patents
Dual-power automatic transfer switching device Download PDFInfo
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- CN218333526U CN218333526U CN202221613907.1U CN202221613907U CN218333526U CN 218333526 U CN218333526 U CN 218333526U CN 202221613907 U CN202221613907 U CN 202221613907U CN 218333526 U CN218333526 U CN 218333526U
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Abstract
The application relates to a dual-power automatic transfer switching device, which relates to the technical field of low-voltage electrical appliances and comprises a base, a common contact assembly, a standby contact assembly, a first driving assembly and a second driving assembly; a common power supply arc extinguish chamber and a standby power supply arc extinguish chamber are respectively arranged on two sides in the base; the common contact assembly is positioned in the base and is arranged close to the common power supply arc extinguish chamber, and the standby contact assembly is positioned in the base and is arranged close to the standby power supply arc extinguish chamber; the first driving assembly is used for switching the working state of the common contact assembly, and the second driving assembly is used for switching the working state of the standby contact assembly. The automatic transfer switch has the advantages of reducing heat accumulation when the automatic transfer switch electric appliance is switched off, and improving arc extinguishing capacity and switching-off capacity.
Description
Technical Field
The application relates to the technical field of low-voltage apparatuses, in particular to a dual-power automatic transfer switching apparatus.
Background
The automatic change-over switch electric appliance is a common low-voltage electric appliance, and is often used for switching between two power supplies so as to ensure that when one power supply fails or stops supplying power, the other power supply can be quickly switched to ensure that a load loop normally supplies power.
Most of products of the existing automatic transfer switching equipment adopt the contact systems of a common power supply and a standby power supply which are arranged oppositely, and some products even share one arc extinguish chamber, so that energy is concentrated on the arc extinguish chamber when the products break large current, the heat dissipation effect is poor, the arc extinguish capability is limited, the break capability is low, and the improvement is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of heat accumulation when an automatic transfer switching device is disconnected, the application provides a dual-power automatic transfer switching device.
The application provides a dual supply automatic transfer switching apparatus adopts following technical scheme:
a dual-power automatic transfer switching device comprises a base, a common contact assembly, a standby contact assembly, a first driving assembly and a second driving assembly;
a common power supply arc extinguish chamber and a standby power supply arc extinguish chamber are respectively arranged on two sides in the base; the common contact assembly is positioned in the base and is arranged close to the common power supply arc extinguish chamber, and the standby contact assembly is positioned in the base and is arranged close to the standby power supply arc extinguish chamber;
the first driving assembly is used for switching the working state of the common contact assembly, and the second driving assembly is used for switching the working state of the standby contact assembly.
Through adopting above-mentioned technical scheme, separately set up power explosion chamber and stand-by power supply explosion chamber commonly used in the base, when side power breaks down commonly used, switch operating device passes through during drive assembly drive stand-by contact subassembly is closed makes stand-by power supply inserts electric power system, because contact subassembly commonly used is close to power explosion chamber commonly used and sets up and stand-by contact subassembly is close to stand-by power supply explosion chamber setting, make the disconnected produced heat of breaking of contact subassembly commonly used and stand-by contact subassembly disperse in power explosion chamber and stand-by power supply explosion chamber commonly used, can effectively reduce the high temperature in the explosion chamber, form good guarantee to the arc extinguishing effect in the explosion chamber.
Preferably, the common contact assembly comprises a common fixed contact and a common moving contact, the common fixed contact is arranged beside the common power supply arc extinguish chamber, and the common fixed contact is arranged at one side close to the common power supply arc extinguish chamber;
the first driving component drives the common moving contact to move in the direction close to or far away from the common fixed contact.
By adopting the technical scheme, the first driving component drives the common moving contact to move in the direction close to or far away from the common static contact, so that the common contact component is disconnected and closed, and the control accuracy and stability of the common contact component are improved.
Preferably, the backup contact assembly comprises a backup static contact and a backup moving contact, the backup static contact is arranged beside the backup power supply arc extinguish chamber, and the second driving assembly drives the backup moving contact to move in a direction close to or far away from the backup static contact.
By adopting the technical scheme, the second driving component is used for driving the standby static contact to move in the direction close to or far away from the standby moving contact, so that the standby contact component is switched on or off, and the control accuracy and stability of the standby contact component are improved.
Preferably, the common moving contact and the standby moving contact are both rotationally connected to the base, the common moving contact comprises a first moving end and a first connecting end, the standby moving contact comprises a second moving end and a second connecting end, the first connecting end and the second connecting end are arranged close to each other, and the first moving end and the second moving end are arranged far away from each other.
Through adopting above-mentioned technical scheme, be close to each other setting and first motion end and second motion end and be the setting of keeping away from each other with first link and second link, increased the distance between common moving contact and the reserve moving contact, reduced thermal pile up.
Preferably, a connecting copper bar is arranged in the base, and the common static contact and the standby static contact are both arranged on the connecting copper bar.
By adopting the technical scheme, the conductivity and the connection stability between the common static contact and the standby static contact as well as the connection copper bar are improved.
Preferably, a common connection row and a standby connection row are arranged in the base at intervals, the first connection end is arranged on the common connection row through flexible connection, and the second connection end is arranged on the standby connection row through flexible connection.
Through adopting above-mentioned technical scheme, pass through the flexible coupling with first link and set up on the connection row commonly used, the second link passes through the flexible coupling setting on reserve connection row, has improved current transmission's between connection row commonly used and the reserve connection row stability.
Preferably, the base is provided with a first channel and a second channel, an insulating partition plate is arranged between the first channel and the second channel, the common connecting row is located in the first channel, and the standby connecting row is located in the second channel.
Through adopting above-mentioned technical scheme, through the setting of first passageway and second passageway, can make the run-on connector row commonly used arrange in the base according to fixed shape with reserve run-on connector row, can avoid run-on connector row commonly used and reserve run-on connector row to scatter in the base for the base inner structure is more regular, is convenient for installation and subsequent maintenance work.
Preferably, the outlets of the first channel and the second channel are both arranged on the same side of the base.
Through adopting above-mentioned technical scheme, the export of first passageway and second passageway is located the homonymy of base, and in the installation of reality, installer can carry out the line connection comparatively conveniently, effectively promotes the convenient degree of installation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the common power supply arc extinguishing chamber and the standby power supply arc extinguishing chamber are separately arranged in the base, when a common side power supply fails, the switch operating mechanism drives the standby contact assembly to be closed through the driving assembly, so that the standby power supply is connected into a power system, and because the common contact assembly is arranged close to the common power supply arc extinguishing chamber and the standby contact assembly is arranged close to the standby power supply arc extinguishing chamber, heat generated by the breaking of the common contact assembly and the standby contact assembly is dispersed in the common power supply arc extinguishing chamber and the standby power supply arc extinguishing chamber, the overhigh temperature in the arc extinguishing chamber can be effectively reduced, and a good guarantee is formed on the arc extinguishing effect in the arc extinguishing chamber;
2. through the first channel and the second channel which are arranged in the base, the common connecting row and the standby connecting row can be arranged in the base in a fixed shape, and the assembling convenience of installation personnel is effectively improved;
3. the export of first passageway and second passageway is located the homonymy of base, and in actual installation, installer can carry out the line connection comparatively conveniently.
Drawings
Fig. 1 is a schematic axial view mainly illustrating an overall structure of a contact system of an automatic transfer switch according to an embodiment of the present application;
fig. 2 is a front view mainly showing the overall structure of the contact system of the automatic transfer switch according to the embodiment of the present application.
Reference numerals: 1. a base; 11. a first channel; 12. a second channel; 13. an insulating spacer; 2. a common contact assembly; 21. a common static contact; 22. a common moving contact; 221. a first motion end; 222. a first connection end; 3. a spare contact assembly; 31. a spare static contact; 32. a standby moving contact; 321. a second motion end; 322. a second connection end; 4. a first drive assembly; 5. a second drive assembly; 6. a common power supply arc extinguish chamber; 7. a standby power supply arc extinguish chamber; 8. connecting the copper bars; 9. a common connecting row; 10. and (5) a spare connecting row.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
The embodiment of the application discloses dual-power automatic transfer switching equipment. Referring to fig. 1, the automatic transfer switch contact system includes a base 1, a common contact assembly 2, a spare contact assembly 3, a first drive assembly 4, and a second drive assembly 5.
The base 1 is wholly rectangular frame form, and one side shaping of base 1 has the installing zone, installs power supply explosion chamber 6 commonly used and stand-by power supply explosion chamber 7 respectively along the both sides of base 1 length direction in the installing zone. The common contact assembly 2 is positioned in the base 1 and is fixedly installed beside a common power supply arc extinguish chamber 6, and the standby contact assembly 3 is positioned in the base 1 and is fixedly installed beside a standby power supply arc extinguish chamber 7. When the common contact assembly 2 is disconnected or closed, the common contact assembly acts to open and close towards a common power supply arc extinguish chamber 6; when the spare contact assembly 3 is opened or closed, the spare contact assembly is opened and closed towards the spare arc extinguishing chamber 7. It should be noted that the common power arc-extinguishing chamber 6, the standby power arc-extinguishing chamber 7, and the common contact assembly 2 and the standby contact assembly 3 are not fixed to one side in the present embodiment as a common end or a standby end, relative to the power system.
Referring to fig. 1 and 2, in the embodiment of the present application, the common contact assembly 2 includes a common fixed contact 21 and a common movable contact 22, the common movable contact 22 is rotatably connected to the base 1 through a pin, and the common movable contact 22 includes a first moving end 221 and a first connecting end 222. The backup contact assembly 3 includes a backup fixed contact 31 and a backup movable contact 32, the backup movable contact 32 is rotatably connected to the base 1 through a pin, and the backup movable contact 32 includes a second moving end 321 and a second connecting end 322. The first connection end 222 and the second connection end 322 are disposed close to each other, and the first moving end 221 and the second moving end 321 are disposed away from each other, so that heat accumulation is reduced.
In order to automatically control the change of the working states of the common contact assembly 2 and the standby contact assembly 3, the base 1 is internally provided with a connecting copper bar 8, and the common static contact 21 and the standby static contact 31 are both fixed on the connecting copper bar 8. The first driving component 4 drives the common moving contact 22 to rotate in a direction approaching or departing from the common fixed contact 21, and the second driving component 5 drives the spare moving contact 32 to rotate in a direction approaching or departing from the spare fixed contact 31. In the embodiment of the present application, the first driving assembly 4 and the second driving assembly 5 are both connected to and controlled by the switch operating mechanism, and the first driving assembly 4 and the second driving assembly 5 are both link mechanisms.
The base 1 is internally provided with a common connecting row 9 and a standby connecting row 10 at intervals, the first connecting end 222 is installed on the common connecting row 9 through flexible connection, and the second connecting end 322 is installed on the standby connecting row 10 through flexible connection.
Referring to fig. 1 and 2, in the present embodiment, a first passage 11 and a second passage 12 are integrally formed in a base 1. An insulating partition plate 13 is arranged between the first channel 11 and the second channel 12, the first channel 11 is matched with the shape and the trend of the common connecting row 9, and the second channel 12 is matched with the shape and the trend of the standby connecting row 10. The general connecting row 9 is embedded in the first channel 11, and the spare connecting row 10 is embedded in the second channel 12. Based on above-mentioned setting, can make the usual bank of connections 9 and reserve bank of connections 10 not scatter and arrange inside base 1, improved the stability of the installation of usual bank of connections 9 and reserve bank of connections 10. The outlets of the first channel 11 and the second channel 12 are both arranged on the same side of the base 1, so that subsequent installation work is facilitated.
In the base 1, the common contact assembly 2 and the spare contact assembly 3 are arranged in a back-to-back manner, so that heat generated by the breaking or closing of the common contact assembly 2 and the spare contact assembly 3 is dispersed, and compared with the prior art, the temperature rise degree in the base 1 is lower, which is beneficial to prolonging the service life of each component in the base 1 and also can improve the breaking capacity of a product.
Under normal conditions, the common fixed contact 21 and the common moving contact 22 are closed, and the common connecting bar 9 is conducted with the connecting copper bar 8. When the common power supply fails, the common moving contact 22 and the common fixed contact 21 are disconnected, the second driving assembly 5 drives the standby moving contact 32 to be connected with the standby fixed contact 31, the standby connecting bar 10 is conducted with the connecting copper bar 8, and the standby power supply is connected into the circuit.
The implementation principle of the dual-power automatic transfer switching device in the embodiment of the application is as follows: through setting up change for carrying on the back mutually with contact subassembly 2 commonly used and reserve contact subassembly 3 by original in opposite directions, reducible contact subassembly 2 commonly used and reserve contact subassembly 3 divide absolutely or the heat of closed formation pile up in base 1, increase the interval between contact subassembly 2 commonly used and the reserve contact subassembly 3, reduce the temperature in the base 1, form good protection effect to the component in the base 1, can also improve product breaking capacity.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A dual-power automatic transfer switching device is characterized by comprising a base (1), a common contact component (2), a standby contact component (3), a first driving component (4) and a second driving component (5);
a common power supply arc-extinguishing chamber (6) and a standby power supply arc-extinguishing chamber (7) are respectively arranged on two sides in the base (1); the common contact assembly (2) is positioned in the base (1) and is arranged close to the common power supply arc extinguish chamber (6), and the standby contact assembly (3) is positioned in the base (1) and is arranged close to the standby power supply arc extinguish chamber (7);
the first driving assembly (4) is used for switching the working state of the common contact assembly (2), and the second driving assembly (5) is used for switching the working state of the spare contact assembly (3).
2. The dual-power automatic transfer switching device of claim 1, wherein the common contact assembly (2) comprises a common fixed contact (21) and a common moving contact (22), and the common fixed contact (21) is arranged beside the common power arc extinguish chamber (6);
the first driving component (4) drives the common moving contact (22) to move along the direction close to or far away from the common fixed contact (21).
3. The dual-power automatic transfer switching device according to claim 2, wherein the backup contact assembly (3) includes a backup fixed contact (31) and a backup movable contact (32), the backup fixed contact (31) is disposed beside the backup power arc extinguish chamber (7), and the second driving assembly (5) drives the backup movable contact (32) to move in a direction approaching or departing from the backup fixed contact (31).
4. The dual-power automatic transfer switching device according to claim 3, wherein the common moving contact (22) and the backup moving contact (32) are both rotatably connected to the base (1), the common moving contact (22) includes a first moving end (221) and a first connecting end (222), the backup moving contact (32) includes a second moving end (321) and a second connecting end (322), the first connecting end (222) and the second connecting end (322) are disposed close to each other, and the first moving end (221) and the second moving end (321) are disposed away from each other.
5. The dual-power automatic transfer switching device according to claim 3, wherein a connecting copper bar (8) is disposed in the base (1), and the common static contact (21) and the standby static contact (31) are both disposed on the connecting copper bar (8).
6. The dual-power automatic transfer switching apparatus according to claim 4, wherein a common connection row (9) and a backup connection row (10) are arranged in the base (1) at intervals, the first connection end (222) is arranged on the common connection row (9) through a flexible connection, and the second connection end (322) is arranged on the backup connection row (10) through a flexible connection.
7. The dual-power automatic transfer switching apparatus according to claim 6, wherein the base (1) is provided with a first channel (11) and a second channel (12), an insulating partition (13) is disposed between the first channel (11) and the second channel (12), the common connection row (9) is located in the first channel (11), and the standby connection row (10) is located in the second channel (12).
8. The dual-power automatic transfer switching apparatus according to claim 7, wherein the outlets of the first channel (11) and the second channel (12) are disposed on the same side of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221613907.1U CN218333526U (en) | 2022-06-25 | 2022-06-25 | Dual-power automatic transfer switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221613907.1U CN218333526U (en) | 2022-06-25 | 2022-06-25 | Dual-power automatic transfer switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218333526U true CN218333526U (en) | 2023-01-17 |
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ID=84868628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221613907.1U Active CN218333526U (en) | 2022-06-25 | 2022-06-25 | Dual-power automatic transfer switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218333526U (en) |
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2022
- 2022-06-25 CN CN202221613907.1U patent/CN218333526U/en active Active
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