CN208834924U - Double power supply automatic transfer switch - Google Patents
Double power supply automatic transfer switch Download PDFInfo
- Publication number
- CN208834924U CN208834924U CN201821831617.8U CN201821831617U CN208834924U CN 208834924 U CN208834924 U CN 208834924U CN 201821831617 U CN201821831617 U CN 201821831617U CN 208834924 U CN208834924 U CN 208834924U
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- Prior art keywords
- push rod
- dynamic push
- control switch
- transition
- power supply
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Abstract
The utility model relates to a kind of double power supply automatic transfer switch, including controller, electromagnetic conversion mechanism, contact system, electromagnetic conversion mechanism includes support, electromagnet, lever, transaxle, two transition arms, two shafts, one end of transaxle is interspersed in the allocating slots of two transition arms and constitutes being linked for two transition arms and transaxle, a control switch is respectively arranged at corresponding two transition arms on support, one auxiliary microswitch, the circuit board electrical connection of control switch and controller, one end of the dynamic push rod of control switch contradicts in transition arm and constitutes being linked for dynamic push rod and transition arm, dynamic push rod acts with transition arm and can realize being switched on or switched off for control switch, when control switch is in closing position, the other end of the dynamic push rod of control switch contradicts on the contact of auxiliary microswitch, and realize auxiliary The connection of microswitch.The utility model has the advantages that structure is simple, compact-sized, stable and reliable for performance.
Description
Technical field
The utility model is specifically related to a kind of double power supply automatic transfer switch.
Background technique
Double power supply converting switch is exactly to have a power failure to automatically switch to the switch of another power supply for some reason.When main electricity goes out
It when existing failure, had not only been avoided that trouble power powered to the load, but also can reliably select the qualified normal operation of power supply investment, to guarantee
Power supply is uninterrupted.As double power supply converting switch be to be widely used in skyscraper, cell, hospital, airport, harbour, fire-fighting, smelting
Gold, chemical industry, weaving etc. do not allow the important place having a power failure.Double power supply automatic transfer switch is broadly divided into CB grades and two kinds of PC grade,
Wherein, CB grades of dual power supplies are with two breaker of plastic casing and motor-operating mechanism, mechanical chain, controller composition, PC grades of double electricity
Source automatic change-over by specially designing the ontology of change-over switch, controller forms, the special ontology for designing change-over switch again by
Electromagnetic conversion mechanism and contact system composition.The structure of the electromagnetic conversion mechanism of existing PC grades of double power supply automatic transfer switch is set
Count unreasonable, which cannot achieve electric interlock, so that there are structures for the PC grades of double power supply automatic transfer switch
Complicated, the insecure defect of performance.
Summary of the invention
The purpose of the utility model is to overcome the defect of the prior art, provide that a kind of structure is simple, compact-sized, performance
Reliable and stable double power supply automatic transfer switch.
To achieve the above object, the utility model uses a kind of double power supply automatic transfer switch, including controller, electromagnetism to turn
It changes planes structure, contact system, the electromagnetic conversion mechanism includes support, the electromagnet being arranged in support, leads with electromagnet
Draw bar be linkedly set with lever, with the transaxle of lever linkage setting, two conversions of setting on the support at corresponding conversion axis
Arm is separately positioned in two transition arms and for driving the moving contact of contact system to execute two of two-way power supply switching action
Shaft, one end of the transaxle are interspersed in the linkage in the allocating slot of two transition arms and constituting two transition arms and transaxle
Cooperate, is respectively arranged with a control switch, an auxiliary microswitch at corresponding two transition arms on the support, it is described
Control switch and controller circuit board electrical connection, one end of the dynamic push rod of control switch contradicts in transition arm and constitutes dynamic
Push rod and transition arm are linked, and the dynamic push rod acts with transition arm and can realize being switched on or switched off for control switch,
When control switch is in closing position, the other end of the dynamic push rod of control switch is contradicted on the contact of auxiliary microswitch,
And realize the connection of auxiliary microswitch.
The beneficial effect of above structure is: two control switches can be monitored the operating position of two transition arms, and two
The circuit board electrical connection of a control switch and controller, controller can receive the signal to two control switches, guarantee the electromagnetism
Switching mechanism can be reliably achieved the switching of two-way power supply, and two auxiliary microswitches can be connected with external equipment, external
Equipment can receive the signal of the double power supply automatic transfer switch working condition, ensure that the double power supply automatic transfer switch can pacify
Full reliability service.And the double power supply automatic transfer switch has the advantages that structure is simple, compact-sized, stable and reliable for performance.
Particularly, the control switch include setting shell on the support, be movably arranged on the intracorporal dynamic push rod of shell,
With dynamic push rod linkage setting movable contact spring, be arranged between movable contact spring and contact rack pressure spring, be arranged in shell and with dynamic touching
The static contact that piece matches, one end of the dynamic push rod extend in outside shell and contradict the dynamic push rod in transition arm
The other end with transition arm feed motion and may extend away outside shell, and the other end of dynamic push rod can be contradicted and be opened in auxiliary fine motion
On the contact of pass, the connection of auxiliary microswitch is realized.Two control switches are fixed on the support, and two control switches is dynamic
Push rod can drive two auxiliary microswitches, should to can be detected by two control switches and two auxiliary microswitches
The working condition of double power supply automatic transfer switch improves the reliability of double power supply automatic transfer switch work.
Particularly, there is the contact plane matched with dynamic push rod, which supports on the side of the transition arm
It touches on one end of dynamic push rod.The contact plane matched with dynamic push rod is provided in transition arm, so that transition arm is pushed away with dynamic
It can be reliably driven between bar, ensure that the reliability of electromagnetic conversion mechanism work.
Detailed description of the invention
Fig. 1 is the utility model embodiment perspective view.
Fig. 2 is the perspective view that the utility model implements electromagnetic conversion mechanism.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the exploded view of the utility model embodiment control switch.
Specific embodiment
As shown in figures 1-4, the utility model embodiment is a kind of double power supply automatic transfer switch, including controller 10, electricity
Magnetic switching mechanism 20, contact system 30, the electromagnetic conversion mechanism 20 include support 21, the electromagnet being arranged in support 21
22, lever 23, the transaxle 24 being arranged with the linkage of lever 23, corresponding conversion are linkedly set with the draw bar 221 of electromagnet 22
Two transition arms 25 being arranged on support 21 at axis 24 are separately positioned in two transition arms 25 and for driving contact system
30 moving contact executes two shafts 26 of two-way power supply switching action, and one end of the transaxle 24 is interspersed in two conversions
In the allocating slot 251 of arm 25 and constitute being linked for two transition arms 25 and transaxle 24, correspondence two on the support 21
27, auxiliary microswitches 28 of a control switch, the control switch 27 and control are respectively arranged at transition arm 25
The circuit board electrical connection of device 10, one end of the dynamic push rod 271 of control switch 27 contradict in transition arm 25 and constitute dynamic push rod 271
With being linked for transition arm 25, the dynamic push rod 271 with transition arm 25 act and can realize control switch 27 connection or
It disconnects, when control switch is in closing position, the other end of the dynamic push rod of control switch contradicts the touching in auxiliary microswitch
On piece, and realize the connection of auxiliary microswitch.As shown in Figures 2 and 3, the control switch 27 includes being arranged on support 21
Shell 272, be movably arranged in shell 272 dynamic push rod 271, with dynamic push rod 271 linkage setting movable contact spring 273, setting
Pressure spring 274 between movable contact spring 273 and contact rack 271, the stationary contact for being arranged in shell 272 and being matched with movable contact spring 273
Piece 275, one end of the dynamic push rod 271 extend in outside shell 272 and contradict the dynamic push rod 271 in transition arm 25
The other end with transition arm 25 feed motion and may extend away outside shell 272, and the other end of dynamic push rod 271 can be contradicted auxiliary
It helps on the contact 281 of microswitch 28, realizes the connection of auxiliary microswitch 28.Two control switches are fixed on the support, and
The dynamic push rod of two control switches can drive two auxiliary microswitches, be opened by two control switches and two auxiliary fine motions
It closes, so that the working condition of the double power supply automatic transfer switch can be detected, improves double power supply automatic transfer switch work
Reliability.There is the contact plane matched with dynamic push rod 271, which contradicts on the side of the transition arm 25
On one end of dynamic push rod 271.The contact plane matched with dynamic push rod is provided in transition arm, so that transition arm is pushed away with dynamic
It can be reliably driven between bar, ensure that the reliability of electromagnetic conversion mechanism work.
Two control switches can be monitored the operating position of two transition arms, the line of two control switches and controller
The electrical connection of road plate, controller can receive the signal to two control switches, guarantee that the electromagnetic conversion mechanism can be reliably achieved
The switching of two-way power supply, and two auxiliary microswitches can be connected with external equipment, external equipment can receive the dual power supply certainly
Turn changes the signal of switch working state, ensures that the double power supply automatic transfer switch being capable of safe and reliable operation.And the dual power supply
Automatic change-over has the advantages that structure is simple, compact-sized, stable and reliable for performance.
Claims (3)
1. a kind of double power supply automatic transfer switch, including controller, electromagnetic conversion mechanism, contact system, it is characterised in that: described
Electromagnetic conversion mechanism include support, the electromagnet being arranged in support, be linkedly set with the draw bar of electromagnet lever, with
The transaxle of lever linkage setting, is separately positioned on two conversions at setting two transition arms on the support at corresponding conversion axis
Two shafts on arm and for driving the moving contact execution two-way power supply switching action of contact system, the one of the transaxle
End is interspersed in the allocating slots of two transition arms and constitutes being linked for two transition arms and transaxle, corresponding on the support
It is respectively arranged with a control switch, an auxiliary microswitch at two transition arms, the control switch and controller
Circuit board electrical connection, one end of the dynamic push rod of control switch contradicts in transition arm and the linkage of the dynamic push rod of composition and transition arm is matched
It closes, the dynamic push rod acts with transition arm and can realize being switched on or switched off for control switch, when control switch is in closing position
When setting, the other end of the dynamic push rod of control switch is contradicted on the contact of auxiliary microswitch, and realizes auxiliary microswitch
It connects.
2. double power supply automatic transfer switch according to claim 1, it is characterised in that: the control switch includes setting
Shell on the support is movably arranged on the intracorporal dynamic push rod of shell, is arranged in and exists with the movable contact spring of dynamic push rod linkage setting, setting
Pressure spring between movable contact spring and contact rack, the static contact for being arranged in shell and being matched with movable contact spring, the dynamic push rod
One end extends in that shell is outer and contradict in transition arm, the other end of the dynamic push rod with transition arm feed motion and can prolong
It is stretched outside outside shell, and the other end of dynamic push rod can contradict on the contact of auxiliary microswitch, realize connecing for auxiliary microswitch
It is logical.
3. double power supply automatic transfer switch according to claim 1 or 2, it is characterised in that: the side of the transition arm
Upper to have the contact plane matched with dynamic push rod, which contradicts on one end of dynamic push rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831617.8U CN208834924U (en) | 2018-11-07 | 2018-11-07 | Double power supply automatic transfer switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821831617.8U CN208834924U (en) | 2018-11-07 | 2018-11-07 | Double power supply automatic transfer switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834924U true CN208834924U (en) | 2019-05-07 |
Family
ID=66320032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821831617.8U Active CN208834924U (en) | 2018-11-07 | 2018-11-07 | Double power supply automatic transfer switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323086A (en) * | 2019-07-16 | 2019-10-11 | 许继（厦门）智能电力设备股份有限公司 | A kind of double-deck superposition auxiliary switch drive mechanism |
-
2018
- 2018-11-07 CN CN201821831617.8U patent/CN208834924U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323086A (en) * | 2019-07-16 | 2019-10-11 | 许继（厦门）智能电力设备股份有限公司 | A kind of double-deck superposition auxiliary switch drive mechanism |
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