CN214378105U - Double-circuit power supply change-over switch device - Google Patents
Double-circuit power supply change-over switch device Download PDFInfo
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- CN214378105U CN214378105U CN202120023066.8U CN202120023066U CN214378105U CN 214378105 U CN214378105 U CN 214378105U CN 202120023066 U CN202120023066 U CN 202120023066U CN 214378105 U CN214378105 U CN 214378105U
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Abstract
The utility model relates to a double-circuit power supply change over switch device belongs to electrical switch technical field, including the contact frame, the contact frame lower extreme be equipped with mounting plate, the contact frame side be equipped with the contact frame looks cam-type touch transmission be connected fixed shifter. The shifter includes the coil brace, the coil brace in be equipped with the coil, the coil brace front end be equipped with the mounting panel, the mounting panel in be equipped with micro-gap switch and reserve micro-gap switch commonly used, micro-gap switch commonly used and coil brace, reserve micro-gap switch and coil brace between be equipped with and move the iron core, move the iron core and be equipped with main idler between micro-gap switch commonly used, move the iron core and be equipped with between reserve micro-gap switch and assist the idler. The device has the characteristics of simple structure, good operation stability and good reliability. The problem of pause failure caused by transient power failure is solved. The reliability of dual-power switch conversion is improved.
Description
Technical Field
The utility model relates to an electrical switch technical field, concretely relates to double-circuit power supply change-over switch device.
Background
An automatic transfer switch electric appliance, called ATSE for short, is composed of 1 or several transfer switches and other necessary electric appliances, is used for monitoring parameters such as power supply voltage and the like, and automatically transfers a load circuit or a switch electric appliance with a fault from one power supply to another (standby) power supply, is a product specially used for power supply transfer, and can be said to represent the development direction of products such as power supply switching systems. It is mainly used in emergency power supply systems, such as: power supply systems for fire fighting, elevators, etc. are widely used in residential and commercial dwellings.
The reliability of the product of the automatic transfer switching equipment is particularly important due to the application occasions of the product. Conversion, once it fails, can cause one of two hazards: short circuits between power supplies or critical load outages, even brief blackouts, can have serious consequences. This not only causes economic losses, production stoppages, financial disruptions, but also social problems, and places life and safety at risk.
Disclosure of Invention
The utility model discloses mainly solve and have easy load outage, the poor and poor not enough of reliability of operational stability among the prior art, provide a double-circuit power supply change over switch device, it has simple structure, the good and good characteristics of reliability of operational stability. The problem of pause failure caused by transient power failure is solved. The reliability of dual-power switch conversion is improved.
The above technical problem of the present invention can be solved by the following technical solutions:
a double-circuit power supply change-over switch device comprises a contact head frame, wherein a mounting bottom plate is arranged at the lower end of the contact head frame, and a change-over mechanism which is fixedly connected with the contact head frame in a cam type contact transmission mode is arranged at the side end of the contact head frame. The shifter includes the coil brace, the coil brace in be equipped with the coil, the coil brace front end be equipped with the mounting panel, the mounting panel in be equipped with micro-gap switch and reserve micro-gap switch commonly used, micro-gap switch commonly used and coil brace, reserve micro-gap switch and coil brace between be equipped with and move the iron core, move the iron core and be equipped with main idler between micro-gap switch commonly used, move the iron core and be equipped with between reserve micro-gap switch and assist the idler.
Preferably, a main spring sleeved with the movable iron core is arranged in the coil.
Preferably, a connecting rod is arranged between one end of the movable iron core and the main idle wheel and between the other end of the movable iron core and the auxiliary idle wheel.
Preferably, axle pins are arranged between the connecting rod and the movable iron core, between the connecting rod and the main idle wheel, between the connecting rod and the auxiliary idle wheel and between the auxiliary idle wheel and the main idle wheel.
Preferably, the front end of the main idle wheel is provided with a mandril which is movably contacted with the common microswitch.
Preferably, the push rods and the common microswitch as well as the auxiliary idler wheel and the standby microswitch are respectively provided with a shifting sheet.
Preferably, the side edge of the auxiliary idle wheel is provided with a transmission rod which is connected with the auxiliary idle wheel in an inserting manner through a transmission shaft.
Preferably, the mounting plate is provided with a main shaft sleeved with the auxiliary idle wheel, the main idle wheel and the transmission rod.
Preferably, a fixing plate is arranged between the coil support and the mounting plate, and the fixing plate and the coil support, and the fixing plate and the mounting plate are fixedly connected through screws.
The utility model discloses can reach following effect:
the utility model provides a double-circuit power supply change over switch device compares with prior art, has simple structure, operating stability good and good reliability's characteristics. The problem of pause failure caused by transient power failure is solved. The reliability of dual-power switch conversion is improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the conversion mechanism of the present invention.
Fig. 3 is a schematic structural diagram of a common state of the switching mechanism of the present invention.
Fig. 4 is a schematic structural diagram of a standby state of the switching mechanism of the present invention.
In the figure: the device comprises a conversion mechanism 1, a contact frame 2, a mounting base plate 3, a coil support 4, a coil 5, a main spring 6, a fixing plate 7, a movable iron core 8, a connecting rod 9, an auxiliary idle wheel 10, a main idle wheel 11, a mounting plate 12, a common microswitch 13, a standby microswitch 14, a mandril 15, a main shaft 16, a transmission rod 17, a shaft pin 18 and a shifting piece 19.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1-4, a two-way power supply change-over switch device comprises a contact holder 2, wherein a mounting bottom plate 3 is arranged at the lower end of the contact holder 2, and a change-over mechanism 1 which is fixedly connected with the contact holder 2 in a cam type contact transmission manner is arranged at the side end of the contact holder 2. The conversion mechanism 1 comprises a coil support 4, a coil 5 is arranged in the coil support 4, and a main spring 6 which is sleeved with a movable iron core 8 is arranged in the coil 5. The front end of the coil support 4 is provided with an installation plate 12, a fixing plate 7 is arranged between the coil support 4 and the installation plate 12, and the fixing plate 7 is fixedly connected with the coil support 4 and the fixing plate 7 is fixedly connected with the installation plate 12 through screws. The mounting plate 12 is provided with a main shaft 16 which is sleeved with the auxiliary idle wheel 10, the main idle wheel 11 and the transmission rod 17. A common microswitch 13 and a standby microswitch 14 are arranged in the mounting plate 12, a movable iron core 8 is arranged between the common microswitch 13 and the coil support 4, between the standby microswitch 14 and the coil support 4, and a connecting rod 9 is arranged between one end of the movable iron core 8 and the main idler 11, and between the other end of the movable iron core 8 and the auxiliary idler 10. Shaft pins 18 are arranged between the connecting rod 9 and the movable iron core 8, between the connecting rod 9 and the main idle wheel 11, between the connecting rod 9 and the auxiliary idle wheel 10, and between the auxiliary idle wheel 10 and the main idle wheel 11. A main idle wheel 11 is arranged between the movable iron core 8 and the common microswitch 13, and the front end of the main idle wheel 11 is provided with a mandril 15 which is movably contacted with the common microswitch 13. The shifting sheets 19 are arranged between the ejector rod 15 and the common microswitch 13 and between the auxiliary idler wheel 10 and the standby microswitch 14. An auxiliary idle wheel 10 is arranged between the movable iron core 8 and the standby microswitch 14. The side of the auxiliary idle wheel 10 is provided with a transmission rod 17 which is connected with the auxiliary idle wheel 10 in a plug-in manner of transmission shaft.
Operation in normal standby: when the switch is in a common position, the shifting sheet 19 on the common microswitch 13 is pressed by the ejector rod 15 to be in a closed position, the coil 5 is charged during action, the movable iron core 8 is instantly attracted by a magnetic field generated after the coil 5 is electrified, and the main spring 6 is compressed when the movable iron core 8 is attracted; when the push rod 15 leaves the shifting sheet 19 on the common microswitch 13, the microswitch 13 is used to interrupt from a closing point to an opening point signal, the coil 5 is not electrified, the iron core 8 is not driven by a magnetic field any more, and the main spring 6 releases the change-over switch to be in a standby state.
Operation in standby operation: when the switch is in the standby position, the shifting sheet 19 on the standby microswitch 14 is pressed by the vertex of the auxiliary idler wheel 10 to be in the closed position, the coil 5 is charged during the action, the movable iron core 8 is instantly attracted by a magnetic field generated after the coil 5 is electrified, and the main spring 6 is compressed when the movable iron core 8 is attracted; when the top point of the auxiliary idle wheel 10 leaves the shifting sheet 19 on the standby microswitch 14, the standby microswitch 14 is interrupted by a closing point to opening point signal, the coil 5 is not driven by the electric iron core 8 any more by the magnetic field, and the main spring 6 releases the change-over switch to be in a normal state.
In conclusion, the double-circuit power supply change-over switch device has the characteristics of simple structure, good operation stability and good reliability. The problem of pause failure caused by transient power failure is solved. The reliability of dual-power switch conversion is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.
Claims (9)
1. The utility model provides a double-circuit power supply change over switch device, includes contact frame (2), contact frame (2) lower extreme be equipped with mounting plate (3), its characterized in that: a switching mechanism (1) which is fixedly connected with the contact head frame (2) in a cam type contact transmission way is arranged at the side end of the contact head frame (2); shifter (1) include coil brace (4), coil brace (4) in be equipped with coil (5), coil brace (4) front end be equipped with mounting panel (12), mounting panel (12) in be equipped with common micro-gap switch (13) and reserve micro-gap switch (14), common micro-gap switch (13) and coil brace (4), reserve micro-gap switch (14) and coil brace (4) in be equipped with between and move iron core (8), move and be equipped with main idler (11) between iron core (8) and common micro-gap switch (13), move and be equipped with between iron core (8) and reserve micro-gap switch (14) and assist idler (10).
2. A two-way power transfer switching apparatus as defined in claim 1, wherein: and a main spring (6) sleeved with the movable iron core (8) is arranged in the coil (5).
3. A two-way power transfer switching apparatus as defined in claim 1, wherein: and a connecting rod (9) is arranged between one end of the movable iron core (8) and the main idle wheel (11) and between the other end of the movable iron core (8) and the auxiliary idle wheel (10).
4. A two-way power transfer switching apparatus as defined in claim 3, wherein: and shaft pins (18) are arranged between the connecting rod (9) and the movable iron core (8), between the connecting rod (9) and the main idle wheel (11), between the connecting rod (9) and the auxiliary idle wheel (10) and between the auxiliary idle wheel (10) and the main idle wheel (11).
5. A two-way power transfer switching apparatus as defined in claim 1, wherein: the front end of the main idle wheel (11) is provided with a mandril (15) which is movably contacted with the common microswitch (13).
6. A two-way power transfer switching apparatus as defined in claim 5, wherein: and poking sheets (19) are arranged between the ejector rod (15) and the common microswitch (13) and between the auxiliary idler wheel (10) and the standby microswitch (14).
7. A two-way power transfer switching apparatus as defined in claim 1, wherein: and a transmission rod (17) connected with the auxiliary idler wheel (10) in an inserting manner through a transmission shaft is arranged on the side edge of the auxiliary idler wheel (10).
8. A two-way power transfer switching apparatus as defined in claim 7, wherein: and a main shaft (16) sleeved with the auxiliary idle wheel (10), the main idle wheel (11) and the transmission rod (17) is arranged on the mounting plate (12).
9. A two-way power transfer switching apparatus as defined in claim 1, wherein: coil support (4) and mounting panel (12) between be equipped with fixed plate (7), fixed plate (7) and coil support (4), fixed plate (7) and mounting panel (12) looks screwed connection fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120023066.8U CN214378105U (en) | 2021-01-06 | 2021-01-06 | Double-circuit power supply change-over switch device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120023066.8U CN214378105U (en) | 2021-01-06 | 2021-01-06 | Double-circuit power supply change-over switch device |
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| Publication Number | Publication Date |
|---|---|
| CN214378105U true CN214378105U (en) | 2021-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120023066.8U Active CN214378105U (en) | 2021-01-06 | 2021-01-06 | Double-circuit power supply change-over switch device |
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| CN (1) | CN214378105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114038694A (en) * | 2021-10-26 | 2022-02-11 | 天水师范学院 | Energy-saving conversion device of switch electric appliance |
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2021
- 2021-01-06 CN CN202120023066.8U patent/CN214378105U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114038694A (en) * | 2021-10-26 | 2022-02-11 | 天水师范学院 | Energy-saving conversion device of switch electric appliance |
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