CN211319973U - Dual-power automatic transfer switch with neutral pole overlapping function - Google Patents
Dual-power automatic transfer switch with neutral pole overlapping function Download PDFInfo
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- CN211319973U CN211319973U CN202020346143.9U CN202020346143U CN211319973U CN 211319973 U CN211319973 U CN 211319973U CN 202020346143 U CN202020346143 U CN 202020346143U CN 211319973 U CN211319973 U CN 211319973U
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Abstract
The utility model relates to a dual supply automatic transfer switch with function is overlapped to neutral pole, it is provided with the utmost point subassembly that opens and shuts of looks extremely on power commonly used and stand-by power supply's conversion square shaft, still be provided with the connecting rod actuating mechanism of the extremely subassembly that opens and shuts of another power of control on rotating the square shaft simultaneously, make dual supply have the neutral N utmost point of power of the same kind and the extremely function of closing a floodgate of overlapping of neutral N of another way power in the conversion, this kind of dual supply automatic transfer switch simple structure, the process requirement is not high, stable performance is reliable, can provide high-quality continuation voltage in power conversion process, satisfy the special operation requirement of dual supply automatic transfer switch in power conversion process.
Description
Technical Field
The utility model relates to a low-voltage apparatus, concretely relates to two power automatic transfer switches of three-phase four-wire, with neutral pole overlap function.
Background
The dual-power automatic transfer switch is a commonly used low-voltage electrical appliance, and is commonly used for the transfer between two paths of power supplies so as to ensure that when one path of power supply fails or stops supplying power, the dual-power automatic transfer switch can be quickly transferred to the other path of power supply so as to ensure that a load circuit supplies power normally. In some special application places, such as computer control systems, data centers and other application places, a neutral pole (N pole) of a dual power supply cannot be disconnected with a grounding terminal of equipment at the moment of switching in the power supply switching process, the structures of three phase poles and the N pole of the dual power supply are the same at present, and the phase poles and the N pole can be simultaneously disconnected or simultaneously closed in the switching process, so that the neutral pole and the grounding terminal of load equipment are in an disconnected state in the switching process of the dual power supply, and zero ground potential of the load equipment is changed, which causes load faults and even damages the equipment.
Disclosure of Invention
An object of the utility model is to overcome traditional two power automatic transfer switch's above-mentioned defect, provide a two power automatic transfer switch with neutral pole overlapping function, two power have the N utmost point of power all the way and the N utmost point of another way power put through simultaneously in the conversion process promptly, and their looks utmost point all non-break-through instantaneous condition, and when the looks utmost combined floodgate of power all the way, the looks utmost point of another way power must break off, can satisfy the dual power in the conversion process N utmost point and the service function that load device's earthing terminal put through all the time.
The utility model adopts the technical proposal that:
the utility model provides a dual supply automatic transfer switch with function is overlapped to neutral pole, is including installing the casing, dual drive mechanism, and the square shaft is rotated with stand-by power supply to the power commonly used by dual drive mechanism driven, and the looks utmost point subassembly of the same power commonly used ABC three-phase of structure, the power N utmost point subassembly commonly used, the looks utmost point subassembly of the stand-by power supply ABC three-phase of structure the same, stand-by power supply N utmost point subassembly.
The common power source rotating square shaft is sleeved with a common power source phase pole assembly, the common power source phase pole assembly comprises a common power source pole crank connecting rod, the common power source pole crank connecting rod controls the moving contact and the static contact of the common power source pole assembly to be switched on and switched off by driving the common power source rotating square shaft to rotate through the dual-power-source driving mechanism, a common power source shaft sleeve is further sleeved on the common power source rotating square shaft, a common power source action connecting rod is arranged on the upper portion of the common power source shaft sleeve and hinged to an N pole crank connecting rod mechanism of a standby power source N pole assembly arranged on the side of the mounting shell, and the driving mechanism drives the common power source rotating square shaft to rotate so as to control the moving contact and the static contact of the standby power source N pole assembly to be switched on and switched off.
The standby power supply system is characterized in that a standby power supply electrode assembly is sleeved on the standby power supply rotating square shaft and comprises a standby power supply electrode crank connecting rod, the standby power supply crank connecting rod drives the standby power supply rotating square shaft to rotate through the dual-power driving mechanism to control the switching-on and switching-off of the moving contact and the static contact of the standby power supply electrode assembly, a standby power supply shaft sleeve is further sleeved on the standby power supply rotating square shaft, a standby power supply action connecting rod is arranged on the upper portion of the standby power supply shaft sleeve and hinged to an N-pole crank connecting rod mechanism arranged on the common power supply N-pole assembly on the side of the installation shell, and the standby power supply action connecting rod drives the standby power supply rotating square shaft to rotate through the dual-power driving mechanism to control the switching-on and switching-off of the moving contact and the static.
The common power supply phase pole assembly comprises a common power supply phase crank sleeved on a common power supply rotating square shaft, a common power supply phase pole connecting rod arranged at the common power supply phase crank end, a common power supply phase pole moving contact arranged at the common power supply phase pole connecting rod end and connected with a common power supply phase pole inlet terminal, and a common power supply phase pole fixed contact connected with a load phase pole connecting terminal is arranged at the lower part of the common power supply phase pole moving contact.
The standby power supply electrode assembly comprises a standby power supply electrode crank, a standby power supply electrode connecting rod and a standby power supply electrode moving contact, wherein the standby power supply electrode crank is sleeved on a standby power supply rotating square shaft, the standby power supply electrode connecting rod is arranged at the end of the standby power supply electrode crank, the standby power supply electrode moving contact is arranged at the end of the standby power supply electrode connecting rod and connected with a standby power supply electrode inlet wire terminal, and a standby power supply electrode fixed contact connected with a load phase electrode connecting terminal is arranged at the lower part of the standby power supply electrode moving contact.
The common power supply N pole component comprises a common power supply N pole rotating shaft arranged on one side of the installation shell, a common power supply N pole crank sleeved on the common power supply N pole rotating shaft, a common power supply N pole connecting rod arranged at the common power supply N pole crank end, a common power supply N pole moving contact arranged at the common power supply N pole connecting rod end and connected with a common power supply N pole incoming line terminal, and an N pole static contact connected with a load N pole connecting terminal is arranged at the lower part of the common power supply N pole moving contact.
The standby power supply N pole component comprises a standby power supply N pole rotating shaft arranged on one side of the installation shell, a standby power supply N pole crank sleeved on the standby power supply N pole rotating shaft, a standby power supply N pole connecting rod arranged at the standby power supply N pole crank end, a standby power supply N pole moving contact arranged at the standby power supply N pole connecting rod end and connected with a standby power supply N pole incoming line terminal, and an N pole static contact connected with a load N pole connecting terminal is arranged at the lower part of the standby power supply N pole moving contact.
Above-mentioned utility model's dual supply automatic transfer switch has the advantage be:
the utility model provides a pair of dual supply automatic transfer switch with function is overlapped to neutral pole makes the dual supply have the neutral N utmost point of power all the way and the neutral N utmost point overlapping switching-on of another way power in power conversion process, and their extremely all instantaneous state that is in the separating brake of looks, and when the power extremely combined floodgate of the same kind, the extremely inevitable separating brake of the looks of another way power, when the extremely separating brake of the phase of power of the same kind, the extremely inevitable switching-on of the phase of another way power to realize the special function requirement of dual supply automatic transfer switch when power conversion. The dual-power automatic transfer switch is simple in structure, low in process requirement, stable and reliable in performance, and capable of providing high-quality continuous voltage in the power transfer process and meeting special use requirements of the dual-power automatic transfer switch in the power transfer process.
Drawings
FIG. 1 is a schematic view of the phase and N-pole structure of the present invention;
FIG. 2 is a schematic diagram of the operation of the contact assembly when the backup power supply of FIG. 1 is supplying power;
FIG. 3 is a schematic view of the operation of the contact assembly at the beginning of a transition of the backup power supply of FIG. 1;
FIG. 4 is a schematic diagram of the operation of the contact assembly powered by a conventional power source after the conversion of the standby power source of FIG. 1 is completed;
FIG. 5 is a schematic view of the phase assembly of FIG. 1;
fig. 6 is a schematic structural view of the N-pole assembly of fig. 1.
Detailed Description
It should be noted that the terms "upper portion", "lower portion", "left side", "right side" and other directions or positional relationships in the specification of the present invention are based on the directions or positional relationships shown in the drawings, and the terms "common power source" and "backup power source" are only used for convenience of describing the present invention, but do not indicate or imply that the device or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.
The present invention will be further explained with reference to fig. 1 to 6 by specific embodiments.
A dual-power automatic transfer switch with a neutral pole overlapping function is shown in figure 1 and comprises an installation shell, a dual-power driving mechanism, a standby power supply rotating square shaft 7 and a common power supply rotating square shaft 15 which are driven by the dual-power driving mechanism, a standby power supply ABC three-phase pole assembly 6, a standby power supply N pole assembly 8, a common power supply ABC three-phase pole assembly 10 and a common power supply N pole assembly 16 which are identical in structure.
Further, as shown in fig. 1, 5 and 6, a standby power supply electrode assembly 6 is sleeved on the standby power supply rotating square shaft 7, the standby power supply electrode assembly 6 includes a standby power supply electrode crank link mechanism 601, the crank link mechanism 601 controls a moving contact 603 and a fixed contact 604 at the standby power supply electrode assembly end to close and open a brake by driving the standby power supply rotating square shaft 7 to rotate through the dual power supply driving mechanism, a standby power supply shaft sleeve 5 is further sleeved on the standby power supply rotating square shaft 7, a standby power supply action link 9 is arranged on the upper portion of the standby power supply shaft sleeve 5, the standby power supply action link 9 is hinged with a common power supply N-pole assembly 16, the common power supply N-pole assembly 16 includes a common power supply N-pole rotating shaft 161, a common power supply N-pole crank 162 and a common power supply N-pole connecting rod 163 arranged on the mounting housing side, the common power supply N pole moving contact 164 and the common power supply N pole static contact 17 are driven by the dual power supply driving mechanism to rotate the standby power supply rotating square shaft 7 so as to control the closing and opening of the common power supply N pole moving contact 164 and the common power supply N pole static contact 17 of the common power supply N pole component 16.
Further, as shown in fig. 1, 5 and 6, a common power phase pole assembly 10 is sleeved on a rotating square shaft 15 of the common power supply, the common power phase pole assembly 10 includes a common power supply pole crank link mechanism 101, the crank link mechanism 101 controls the closing and opening of a moving contact 103 and a fixed contact 104 of the common power supply pole assembly by driving the rotation of the common power supply rotating square shaft 15 through the dual power supply driving mechanism, a common power supply shaft sleeve 14 is further sleeved on the common power supply rotating square shaft 15, a common power supply action link 13 is arranged on the upper portion of the common power supply shaft sleeve 14, the common power supply action link 13 is hinged with a standby power supply N pole assembly 8, the standby power supply N pole assembly 8 includes a standby power supply N pole rotating shaft 801, a standby power supply N pole crank 802 and a standby power supply N pole 803 which are arranged on the side of the installation housing, the standby power supply N pole moving contact 804 and the standby power supply N pole static contact 17 are driven by the dual-power drive mechanism to rotate the common power supply rotating square shaft 15 so as to control the switching-on and switching-off of the standby power supply N pole moving contact 804 and the standby power supply N pole static contact 17 of the standby power supply N pole component 8.
Further, as shown in fig. 5 and 6, the standby power supply electrode assembly 6 includes a standby power supply electrode crank 601 sleeved on the standby power supply rotation square shaft 7, a standby power supply electrode connecting rod 602 disposed at the standby power supply electrode crank 601, a standby power supply electrode moving contact 603 disposed at the standby power supply electrode connecting rod 602 and connected to the standby power supply electrode inlet terminal 4 through a cord, and a standby power supply electrode fixed contact 604 connected to the dual power supply load electrode connecting terminal 2 through a cord is disposed at the lower portion of the standby power supply electrode moving contact 603.
Further, as shown in fig. 5 and 6, the common power source phase pole assembly 10 includes a common power source pole crank 101 sleeved on the common power source rotating square shaft 15, a common power source phase pole connecting rod 102 disposed at the end of the common power source pole crank 101, a common power source phase pole moving contact 103 disposed at the end of the common power source pole connecting rod 102 and connected with the common power source phase pole incoming terminal 11 through a flexible wire, and a common power source phase pole fixed contact 104 connected with the dual power source load phase pole connecting terminal 2 through a flexible wire is disposed at the lower portion of the common power source phase pole moving contact 103.
In further arrangement, as shown in fig. 5 and 6, the standby power supply N pole component 8 includes a standby power supply N pole rotating shaft 801 arranged on one side of the dual power supply installation shell, a standby power supply N pole crank 802 sleeved on the standby power supply N pole rotating shaft 801, a standby power supply N pole connecting rod 803 arranged at the end of the standby power supply N pole crank 802, a standby power supply N pole moving contact 804 arranged at the end of the standby power supply N pole connecting rod 803 and connected with the standby power supply N pole incoming line terminal 3 through a flexible cord, and an N pole static contact 17 connected with the dual power supply load N pole connecting terminal 1 through a flexible cord is arranged at the lower part of the standby power supply N pole moving contact 804.
Further, as shown in fig. 5 and 6, the common power source N pole assembly 16 includes a common power source N pole rotating shaft 161 disposed at one side of the installation housing, a common power source N pole crank 162 sleeved on the common power source N pole rotating shaft 161, a common power source N pole connecting rod 163 disposed at the end of the common power source N pole crank 162, a common power source N pole moving contact 164 disposed at the end of the common power source N pole connecting rod 163 and connected to the common power source N pole incoming line terminal 12 through a cord, and an N pole stationary contact 17 connected to the dual power source load N pole connecting terminal 1 is disposed at the lower portion of the common power source N pole moving contact 164.
The utility model discloses dual supply automatic transfer switch's operating procedure as follows:
as shown in fig. 1 and 2, when the dual power supplies are powered by the common power supply, the dual power driving mechanism drives the backup power supply rotating square shaft 7 to rotate clockwise to open the backup power supply electrode moving contact, and simultaneously drives the backup power supply action connecting rod 9 on the backup power supply rotating square shaft 7 to move rightward, and drives the common power supply N-pole crank connecting rod 802 to rotate clockwise to close the common power supply N-pole moving contact, after the backup power supply electrode moving contact is opened, the dual power driving mechanism drives the rotating square shaft 15 of the common power supply to rotate clockwise to close the common power supply electrode moving contact, and simultaneously drives the common power supply action connecting rod 9 on the common power supply rotating square shaft 15 to move rightward due to the clockwise rotation of the common power supply rotating square shaft 15, and drives the backup power supply N-pole connecting rod 162 to rotate clockwise to open the backup power supply N-pole moving contact, at the moment, the phase pole and the N pole of the dual-power-supply common power supply are both in a closing state, the phase pole and the N pole of the standby power supply are both in an opening state, and the dual power supply is powered by the common power supply.
As shown in fig. 2, fig. 3 and fig. 4, when the dual power supplies are required to be switched from the common power supply to the standby power supply, the dual power supply driving mechanism drives the common power supply rotating square shaft 15 to rotate counterclockwise, so as to open the phase pole moving contact of the common power supply, and simultaneously drives the common power supply action connecting rod 13 on the common power supply rotating square shaft 15 to move leftward, and drives the standby power supply N pole crank connecting rod 162 to rotate counterclockwise, so as to close the standby power supply N pole moving contact, at this time, the common power supply N pole and the standby power supply N pole of the dual power supplies are both in a closing state to form neutral pole overlapping, and then the dual power supply driving mechanism drives the standby power supply rotating square shaft 7 to rotate clockwise, so as to close the phase pole moving contact of the standby power supply through the standby power supply pole crank connecting rod mechanism 10, and simultaneously drives the standby power supply action connecting rod, and the N-pole crank connecting rod 802 of the common power supply is driven to rotate clockwise to enable the N-pole moving contact of the common power supply to be switched off, at the moment, the phase pole and the N pole of the common power supply are both in a switching-off state, and the phase pole and the N pole of the standby power supply are in a switching-on state, so that the dual power supply is switched from the power supply of the common power supply to the power supply of the standby power supply.
When the standby power supply needs to be converted into the common power supply, the working procedure principle is the same as the principle.
It should be noted that: the above examples are given for clarity of illustration only
For example, and not by way of limitation, other variations and modifications of the present invention, which would occur to persons skilled in the art and which are based on the foregoing description, are not required or required to be exhaustive of all embodiments, and obvious variations and modifications therefrom are contemplated as falling within the scope of the present invention.
Claims (5)
1. The utility model provides a dual supply automatic transfer switch with neutral pole overlaps function, is including installing the casing, dual supply actuating mechanism, by dual supply actuating mechanism driven power commonly used rotation square shaft and stand-by power supply rotation square shaft, the same power commonly used ABC three-phase's of structure extremely subassembly mutually, power N extremely subassembly commonly used, the same stand-by power supply ABC three-phase's of structure extremely subassembly mutually, stand-by power supply N extremely subassembly, its characterized in that:
the common power supply rotating square shaft is sleeved with the common power supply electrode assembly, the moving contact and the static contact of the common power supply electrode assembly are controlled to be switched on and switched off through the rotation of the common power supply rotating square shaft, the common power supply rotating square shaft is also sleeved with a common power supply shaft sleeve, a common power supply action connecting rod is arranged at the upper part of the common power supply shaft sleeve, the common power supply action connecting rod is hinged with a standby power supply N electrode assembly arranged on the side of the mounting shell, and the moving contact and the static contact of the standby power supply N electrode assembly are controlled to be switched on and switched off through the rotation of the common power supply rotating square shaft;
the standby power supply rotating square shaft is sleeved with a standby power supply electrode assembly, the standby power supply rotating square shaft is rotated to control the switching on and switching off of a moving contact and a static contact of the standby power supply electrode assembly, a standby power supply shaft sleeve is further sleeved on the standby power supply rotating square shaft, a standby power supply action connecting rod is arranged on the upper portion of the standby power supply shaft sleeve and is hinged to a common power supply N electrode assembly arranged on the side of the mounting shell, and the standby power supply rotating square shaft is rotated to control the switching on and switching off of the moving contact and the static contact of the common power supply N electrode assembly.
2. The dual power automatic transfer switch of claim 1, wherein: the common power supply phase pole assembly comprises a common power supply phase pole crank sleeved on a common power supply rotating square shaft, a common power supply phase pole connecting rod arranged at the common power supply phase pole crank end, a common power supply phase pole moving contact arranged at the common power supply phase pole connecting rod end and connected with a common power supply phase pole inlet terminal, and a common power supply phase pole fixed contact connected with a load phase pole connecting terminal is arranged at the lower part of the common power supply phase pole moving contact.
3. The dual power automatic transfer switch of claim 1, wherein: the standby power supply electrode assembly comprises a standby power supply electrode crank, a standby power supply electrode connecting rod and a standby power supply electrode moving contact, wherein the standby power supply electrode crank is sleeved on a standby power supply rotating square shaft, the standby power supply electrode connecting rod is arranged at the standby power supply electrode crank end, the standby power supply electrode moving contact is arranged at the standby power supply electrode connecting rod end and is connected with a standby power supply electrode inlet wire terminal, and a standby power supply electrode fixed contact connected with a load phase electrode connecting terminal is arranged at the lower part of the standby power supply electrode moving contact.
4. The dual power automatic transfer switch of claim 1, wherein: the N pole assembly of the common power supply comprises a N pole rotating shaft of the common power supply, a N pole crank of the common power supply, a N pole connecting rod of the common power supply, a N pole moving contact of the common power supply, wherein the N pole rotating shaft of the common power supply is arranged on one side of the installation shell, the N pole crank of the common power supply is sleeved on the N pole rotating shaft of the common power supply, the N pole connecting rod of the common power supply is arranged at the N pole crank end of the common power supply, the N pole moving contact of the common power supply is arranged at the N pole connecting rod end of the common power supply and connected with an N.
5. The dual power automatic transfer switch of claim 1, wherein: the standby power supply N pole component comprises a standby power supply N pole rotating shaft arranged on one side of the installation shell, a standby power supply N pole crank sleeved on the standby power supply N pole rotating shaft, a standby power supply N pole connecting rod arranged at the standby power supply N pole crank end, a standby power supply N pole moving contact arranged at the standby power supply N pole connecting rod end and connected with a standby power supply N pole incoming line terminal, and an N pole static contact connected with a load N pole connecting terminal is arranged at the lower part of the standby power supply N pole moving contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020346143.9U CN211319973U (en) | 2020-03-18 | 2020-03-18 | Dual-power automatic transfer switch with neutral pole overlapping function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020346143.9U CN211319973U (en) | 2020-03-18 | 2020-03-18 | Dual-power automatic transfer switch with neutral pole overlapping function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211319973U true CN211319973U (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020346143.9U Active CN211319973U (en) | 2020-03-18 | 2020-03-18 | Dual-power automatic transfer switch with neutral pole overlapping function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211319973U (en) |
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2020
- 2020-03-18 CN CN202020346143.9U patent/CN211319973U/en active Active
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