CN209343954U - A kind of large opening double power supply automatic transfer switch - Google Patents
A kind of large opening double power supply automatic transfer switch Download PDFInfo
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- CN209343954U CN209343954U CN201821388604.8U CN201821388604U CN209343954U CN 209343954 U CN209343954 U CN 209343954U CN 201821388604 U CN201821388604 U CN 201821388604U CN 209343954 U CN209343954 U CN 209343954U
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Abstract
A kind of large opening double power supply automatic transfer switch, including electromagnet drive mechanism, lever transmission mechanism and contact arc-extinguishing mechanism.Lever transmission mechanism includes the identical common power supply of structure, backup power source transmission levers and movement connecting lever, in the common power supply, fulcrum shaft is provided in the middle part of backup power source transmission levers, force side is provided with force slot, resistance end is provided with dynamic resistance axis, common power supply, backup power source movement connecting lever is set as L shape, one end is provided with kidney slot, the other end is vertically installed with moving contact shaft, common power supply transmission levers and backup power source transmission levers are set in mounting base by the conjunction of lever cover opposite direction, common power supply, the moving contact shaft end of backup power source movement connecting lever is set on mounting base, its kidney slot is set in the dynamic resistance axis at transmission regulations and parameters resistance end, due to the special construction of lever transmission mechanism, the shaft equipped with moving contact is enabled to obtain 36 degree of corner, make the dynamic of dual power supply, static contact is opened away from reaching 23mm, cause And improve the disjunction arc extinguishing ability and job stability of dual power supply.
Description
Technical field
The utility model relates to a kind of low-voltage electrical apparatuses, in particular relate to a kind of large opening double power supply automatic transfer switch.
Background technique
Double power supply automatic transfer switch is a kind of common low-voltage electrical apparatus, the conversion being usually used between two road power supplys, to protect
When power failure or stopping are powered all the way, another way power supply can switch over rapidly card, to ensure that load circuit is normal
Power supply.Chinese patent literature 2015108472749 discloses a kind of contact arc-extinguishing system of double power supply automatic transfer switch, by
It is arranged oppositely in the contact system of common power supply and backup power source, shares a N-type arc extinguishing box, volume is greatly reduced, but is gone out
Arc ability is limited, and Chinese patent literature 2016100795722 discloses a kind of connecting rod movement machine of double power supply automatic transfer switch
Structure, since the structure of connecting rod actuating mechanism is limited, moving contact shaft rotational angle is up to 25 degree, so that between dynamic and static contact
It opens away from smaller, limits the raising of its arc extinction performance.
Utility model content
The drawbacks of the purpose of the utility model is to overcome the prior arts, disclosing a kind of can make double power supply automatic transfer switch
The dynamic and static clearance between open contacts of contact system are larger, arc extinguishing ability more preferably large opening double power supply automatic transfer switch.
In order to achieve the goal above, the technical scheme adopted by the utility model is
A kind of large opening double power supply automatic transfer switch, including electromagnet drive mechanism, lever transmission mechanism and contact go out
Arc mechanism；
Further setting, the electromagnet drive mechanism include the driving electromagnetism of mounting base and setting on a mounting board
Iron is connected to the L shape lever of drive electromagnet shaft end, the drive rod at L shape lever resistance end is hinged on, in the drive rod
The other end is vertically installed with transmission crank arm, and the other end of the transmission crank arm is provided with transmission shaft；
Further setting, the lever transmission mechanism include the identical common power supply connecting rod actuating mechanism of structure and spare
Power supply connecting rod actuating mechanism；
Further setting, the common power supply connecting rod actuating mechanism include common power supply transmission levers and the movement of common power supply
Connecting lever, the backup power source connecting rod actuating mechanism include backup power source transmission levers and backup power source movement connecting lever；
The common power supply transmission levers are identical with the structure of backup power source transmission levers, and the common power supply acts connecting lever
It is identical with the backup power source movement structure of connecting lever；
Fulcrum shaft is provided in the middle part of the common power supply transmission levers, backup power source transmission levers, force side setting is strong
Point slot, resistance end is provided with dynamic resistance axis；
The common power supply movement connecting lever, backup power source movement connecting lever are set as L shape, and one end is provided with kidney slot, another
End is vertically installed with moving contact shaft；
The common power supply transmission levers, backup power source transmission levers force slot pass through the transmission crank arm upper end biography
Moving axis is set in the mounting base by the conjunction of lever cover opposite direction；
The moving contact shaft end that the common power supply movement connecting lever, backup power source act connecting lever is set in the installation
On bottom plate, the kidney slot that the common power supply movement connecting lever, backup power source act connecting lever is set in the common power supply transmission bar
Bar, backup power source transmission levers resistance end dynamic resistance axis in.
Further setting, the contact arc-extinguishing mechanism includes the identical common power contact head arc-extinguishing mechanism of structure, spare
Power contact head arc-extinguishing mechanism and contact pole box, the common power contact head arc-extinguishing mechanism and backup power source contact arc-extinguishing mechanism pair
It is set in the contact pole box to conjunction；
Further setting, the common power contact head arc-extinguishing mechanism and backup power source contact arc-extinguishing mechanism include moving contact
Terminals, static contact terminals, moving contact shaft, moving contact connecting lever, moving contact, static contact and arc-chutes, the moving contact
Connecting lever one end is set in moving contact shaft, and the other end of the moving contact connecting lever is provided with moving contact, in the moving contact
Lower part is provided with static contact, is provided between the common power supply and the moving contact and static contact of backup power source independent common
Power supply arc-chutes and backup power source arc-chutes；
Further setting, the moving contact terminals are set as U-shaped, are installed on the inner wall of contact pole box, one
End is set as moving contact connecting terminal, and the other end is connected by being flexible coupling with the moving contact；
Further setting, described static contact terminals one end is provided with common power supply static contact and backup power source stationary contact
Head, the other end are set as static contact connecting terminal.
The large opening double power supply automatic transfer switch of the above structure has the beneficial effect that
Due to commonly using the special construction of power supply and backup power source lever transmission mechanism, so that the moving contact equipped with moving contact turns
Axis can obtain 36 degree of hard-over, and the dynamic and static clearance between open contacts of dual power supply contact arc-extinguishing mechanism can be made to reach 23mm in this way, this
Be conducive to the arc extinguishing of dual power supply contact arc-extinguishing mechanism, simultaneously because dynamic and static contact is opened away from larger, can make arc-chutes be made compared with
Greatly, dual power supply can be improved in this way to reach more preferably arc quenching effect using arc quenching plate subdividing the arcs more in arc-chutes
Disjunction arc extinguishing ability and job stability.
Detailed description of the invention
Fig. 1 is the utility model overall construction drawing；
Fig. 2 is Fig. 1 electromagnet drive mechanism structure chart；
Fig. 3 is the utility model lever transmission mechanism structure chart；
Fig. 4 is Fig. 3 mounting base and transmission crank arm structure chart；
Fig. 5 is lever transmission mechanism structure chart when Fig. 3 is often in open position with power supply；
Fig. 6 is lever transmission mechanism structure chart when Fig. 3 often uses power supply in the close position；
Fig. 7 is the utility model contact arc-extinguishing mechanism structure figure；
Fig. 8 is Fig. 3 transmission crank arm structure chart；
Fig. 9 is Fig. 3 transmission levers structure chart；
Figure 10 is that Fig. 3 acts crank arm structure figure.
Specific embodiment
Firstly the need of explanation, the instructions such as the term " on ", "lower", "left", "right", " vertical ", "inner", "outside"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification
Description, rather than the device or element of indication or suggestion meaning must have a particular orientation, constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.In addition, term " common power supply ", " backup power source " are only used for relatively
The description of drawing position is not understood to indicate or imply the inherent feature title of the position in actual use.
In the following, by specific embodiment, the utility model is described in further detail in conjunction with Fig. 1~Figure 10.
A kind of large opening double power supply automatic transfer switch, as shown in Figure 1, including electromagnet drive mechanism 1, lever driver
Structure 2 and contact arc-extinguishing mechanism 3；
Further setting, as shown in Fig. 2, Fig. 8, the electromagnet drive mechanism 1 includes that mounting base 10 and setting exist
Drive electromagnet 1001 on mounting plate 10 is connected to the L shape lever 7 at drive electromagnet movement 1002 end of axis, is hinged on L shape thick stick
The drive rod 6 at 7 resistance end of bar is vertically installed with transmission crank arm 5 in the other end of the drive rod 6, the transmission crank arm 5 it is another
One end is provided with transmission shaft 9；
Further setting, as shown in figure 3, the lever transmission mechanism includes the identical common power supply connecting rod movement of structure
Mechanism and backup power source connecting rod actuating mechanism；
Further setting, as shown in figure 3, the common power supply connecting rod actuating mechanism and backup power source connecting rod actuating mechanism packet
Include the identical common power supply transmission levers 101 of structure, backup power source transmission levers 201 and common power supply movement connecting lever 103, spare
Power supply acts connecting lever 203；
Further setting is provided with fulcrum shaft 105 in the middle part of the common power supply transmission levers, exerts a force as shown in Fig. 3, Fig. 9
End is provided with force slot 1011, and resistance end is provided with dynamic resistance axis 104；
Further setting, as shown in figure 3, being provided with fulcrum shaft 205 in the middle part of the backup power source transmission levers, force side is set
It is equipped with force slot 2011, resistance end is provided with dynamic resistance axis 204；
Further setting, as shown in Fig. 3, Figure 10, the common power supply movement connecting lever 103 is set as L shape, commonly uses power supply
One end of movement connecting lever 103 is provided with kidney slot 1031, and the other end is vertically installed with common power supply moving contact shaft 102；
Further setting, as shown in Fig. 3, Fig. 6, the backup power source movement connecting lever is set as L shape, backup power source movement
One end of connecting lever 203 is provided with kidney slot, and the other end is vertically installed with backup power source moving contact shaft 202；
Further setting, as shown in figure 3, the force slot of common the power supply transmission 101 and backup power source transmission levers 201
Transmission shaft 9 across 5 upper end of transmission crank arm is set in the mounting base 10 by opposite close of lever cover 8；
Further setting, as shown in figure 3, the common power supply moving contact shaft 102 on the common power supply movement connecting lever 103
End be set on the mounting base 10, the kidney slot on the common power supply movement connecting lever 103 be set in it is described often
In dynamic resistance axis 104 with 101 resistance end of power supply transmission levers；
Further setting, as shown in figure 3, the backup power source moving contact shaft 202 on backup power source movement connecting lever 203
End be set on 10 plate of installation bottom, the kidney slot on the backup power source movement connecting lever 203 is set in described standby
In dynamic resistance axis 204 with 201 resistance end of power supply transmission bar thick stick；
Further setting, as shown in fig. 7, the contact arc-extinguishing mechanism includes the identical common power contact head arc extinguishing of structure
Mechanism, backup power source contact arc-extinguishing mechanism and contact pole box, the common power contact head arc-extinguishing mechanism and backup power source contact
The conjunction of arc-extinguishing mechanism opposite direction is set in the contact pole box 4；
Further setting, as shown in fig. 7, the common power contact head arc-extinguishing mechanism and backup power source contact arc-extinguishing mechanism are equal
Including moving contact terminals 305, static contact terminals 303, moving contact shaft 102, moving contact connecting lever 306, moving contact 302, quiet
One end of contact 301 and arc-chutes 308, the moving contact connecting lever 306 is set in moving contact shaft 102, moving contact connecting lever
306 other end is provided with moving contact 302, the lower part of the moving contact 302 is provided with static contact 301, in the common electricity
Independent common power supply arc-chutes 308 and backup power source arc-chutes are provided between source and the moving contact and static contact of backup power source
309；
Further setting, as shown in fig. 7, the moving contact terminals 305 are set as U shape, is installed on the contact pole
On the inner wall of box 4, one end is set as moving contact connecting terminal 305, and the other end is by being flexible coupling and 302 phase of moving contact
Even；
Further setting, as shown in fig. 7, described 303 one end of static contact terminals is provided with common power supply static contact 301
With backup power source static contact, the other end is set as static contact connecting terminal 303.
The operation program of the large opening double power supply automatic transfer switch is as follows:
As shown in Fig. 2~Fig. 5, when double power supply automatic transfer switch needs common power supply separating brake, backup power source to close a floodgate, institute
The double-power intelligent controller stated gives drive electromagnet 1,001 1 signals, drive electromagnet energized action, electromagnet action
Axis 1002 overcomes compressed spring pressure and retracts, and L-type lever 7 turns right around fulcrum shaft 701, and drive rod 6 is driven to move downward,
To drive medial launder 1004 of the transmission crank arm 5 on mounting plate 10 to move downward, the rotation axis 9 of 5 upper end of transmission crank arm is downward
Movement, under the action of rotation axis 9 exerts a force, rotation axis 9 enters the lower end of common 101 force slot of power supply action lever, forces normal
It is turned left with power supply action lever 101 around fulcrum 105, the dynamic resistance axis 104 at common 101 resistance end of power supply action lever is set
Into the lower edge of kidney slot in common power supply movement connecting lever 103, the common power supply moving contact shaft on movement connecting lever 103 is forced
102 turn right, and drive the common power supply moving contact separating brake in common power supply moving contact shaft 102, while being arranged in mounting plate
Common powered electromagnetic iron step switch 105 on 10 powers off under the action of common power supply action lever 101, at this time electromagnet
Movement axis 1002 is released under the action of compressed spring, and L-type lever 7 turns left around fulcrum shaft 701, drives drive rod 6 upward
Movement, so that medial launder 1004 of the transmission crank arm 5 on mounting plate 10 is driven to move upwards, the rotation axis 9 of 5 upper end of transmission crank arm
It moves upwards, rotation axis 9 enters the left sliding slot 1003 on mounting base under the action of guider 11, exerts a force in rotation axis 9
Under effect, rotation axis 9 enter 201 force slot of backup power source action lever upper end, force backup power source action lever 201 around
Fulcrum 205 turns right, and the dynamic resistance axis 204 that 201 resistance end of backup power source action lever is arranged in enters backup power source movement and turns
The upper edge of kidney slot in arm 103 forces the backup power source moving contact shaft 202 on movement connecting lever 203 to turn right, and drives dynamic touching
Backup power source switch on of moving contact in head shaft 202.
When the large opening double power supply automatic transfer switch needs common power supply to close a floodgate, backup power source separating brake when, as Fig. 2,
Shown in Fig. 3, Fig. 4, Fig. 6, operation program is same as above.
It should be understood that above-described embodiment is merely examples for clearly illustrating the present invention, and it is not
Restriction to embodiment can also be made on the basis of the above description for those of ordinary skill in the art
Other various forms of variations or variation, there is no necessity and possibility to exhaust all the enbodiments, and is thus extended
Obvious changes or variations out still in the protection scope of the utility model among.
Claims (5)
1. a kind of large opening double power supply automatic transfer switch, including electromagnet drive mechanism, lever transmission mechanism and contact arc-extinguishing
Mechanism；
The electromagnet drive mechanism includes the drive electromagnet of mounting base and setting on a mounting board, is connected to driving electricity
The L shape lever of magnet shaft end is hinged on the drive rod at L shape lever resistance end, is vertically installed in the other end of the drive rod
The other end of transmission crank arm, the transmission crank arm is provided with transmission shaft；
The lever transmission mechanism includes the identical common power supply connecting rod actuating mechanism of structure and backup power source connecting rod movement machine
Structure；
It is characterized by: the common power supply connecting rod actuating mechanism includes that common power supply transmission levers and the movement of common power supply are turned
Arm, the backup power source connecting rod actuating mechanism include backup power source transmission levers and backup power source movement connecting lever；
The common power supply transmission levers are identical with the structure of backup power source transmission levers, the common power supply movement connecting lever and standby
Structure with power supply movement connecting lever is identical；
It is provided with fulcrum shaft in the middle part of the common power supply transmission levers, backup power source transmission levers, force side is provided with force slot,
Resistance end is provided with dynamic resistance axis；
The common power supply movement connecting lever, backup power source movement connecting lever are set as L shape, and one end is provided with kidney slot, and the other end hangs down
Directly it is installed with moving contact shaft；
The common power supply transmission levers, backup power source transmission levers force slot pass through the transmission crank arm upper end transmission shaft
It is set in the mounting base by the conjunction of lever cover opposite direction；
The moving contact shaft end that the common power supply movement connecting lever, backup power source act connecting lever is set in the mounting base
On, the common power supply acts connecting lever, the kidney slot of backup power source movement connecting lever is set in the common power supply transmission levers, standby
In dynamic resistance axis with power supply transmission levers resistance end.
2. large opening double power supply automatic transfer switch according to claim 1, which is characterized in that the contact arc-extinguishing machine
Structure includes the identical common power contact head arc-extinguishing mechanism of structure, backup power source contact arc-extinguishing mechanism and contact pole box, and described is normal
It is set in the contact pole box with power supply contact arc-extinguishing mechanism and the conjunction of backup power source contact arc-extinguishing mechanism opposite direction.
3. large opening double power supply automatic transfer switch according to claim 2, which is characterized in that the common power contact head
Arc-extinguishing mechanism and backup power source contact arc-extinguishing mechanism include moving contact terminals, static contact terminals, moving contact shaft, dynamic touching
Head connecting lever, moving contact, static contact and arc-chutes, one end of the moving contact connecting lever are set in moving contact shaft, moving contact
The other end of connecting lever is provided with moving contact, and the lower part of the moving contact is provided with static contact, in the common power supply and spare
Independent common power supply arc-chutes and backup power source arc-chutes are provided between the moving contact and static contact of power supply.
4. large opening double power supply automatic transfer switch according to claim 3, which is characterized in that the moving contact wiring
End is set as U-shaped, is installed on the inner wall of contact pole box, described moving contact terminals one end is set as moving contact wiring
Terminal, the other end are connected by being flexible coupling with the moving contact.
5. large opening double power supply automatic transfer switch according to claim 3, which is characterized in that the static contact wiring
End one end is provided with common power supply static contact and backup power source static contact, and the other end is set as static contact connecting terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821388604.8U CN209343954U (en) | 2018-08-27 | 2018-08-27 | A kind of large opening double power supply automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821388604.8U CN209343954U (en) | 2018-08-27 | 2018-08-27 | A kind of large opening double power supply automatic transfer switch |
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| Publication Number | Publication Date |
|---|---|
| CN209343954U true CN209343954U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821388604.8U Active CN209343954U (en) | 2018-08-27 | 2018-08-27 | A kind of large opening double power supply automatic transfer switch |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878186A (en) * | 2018-08-27 | 2018-11-23 | 北京明日电器设备有限责任公司 | A kind of large opening double power supply automatic transfer switch |
| CN110970242A (en) * | 2019-12-31 | 2020-04-07 | 德布森电气（上海）有限公司 | Rotary energy storage operating mechanism capable of operating in two directions |
| CN113192774A (en) * | 2021-04-28 | 2021-07-30 | 深圳瑞能电气设备有限公司 | Alternating current double-electric switching device capable of providing overcurrent protection during external circuit short circuit |
-
2018
- 2018-08-27 CN CN201821388604.8U patent/CN209343954U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878186A (en) * | 2018-08-27 | 2018-11-23 | 北京明日电器设备有限责任公司 | A kind of large opening double power supply automatic transfer switch |
| CN110970242A (en) * | 2019-12-31 | 2020-04-07 | 德布森电气（上海）有限公司 | Rotary energy storage operating mechanism capable of operating in two directions |
| CN113192774A (en) * | 2021-04-28 | 2021-07-30 | 深圳瑞能电气设备有限公司 | Alternating current double-electric switching device capable of providing overcurrent protection during external circuit short circuit |
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