CN221176012U - Excitation type three-section dual-power switch - Google Patents
Excitation type three-section dual-power switch Download PDFInfo
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- CN221176012U CN221176012U CN202322631481.3U CN202322631481U CN221176012U CN 221176012 U CN221176012 U CN 221176012U CN 202322631481 U CN202322631481 U CN 202322631481U CN 221176012 U CN221176012 U CN 221176012U
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- 230000005284 excitation Effects 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 51
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000009977 dual effect Effects 0.000 claims description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007935 neutral effect Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an excitation type three-section double-power switch, which has the technical scheme that the excitation type three-section double-power switch comprises a switch main body, a first fixed contact, a second fixed contact and a rotating shaft, wherein a moving contact is arranged on the rotating shaft, a switching part for driving the rotating shaft to rotate is arranged on the switch main body, the switching part is positioned at one end of the rotating shaft and comprises a transmission part fixedly arranged at the end part of the rotating shaft and an electromagnet arranged on the switch main body and used for driving the transmission part, the driving end of the electromagnet is movably connected with the transmission part, the electromagnet can drive the rotating shaft to axially rotate in the switch main body through the transmission part, two electromagnets are arranged and can drive the rotating shaft to reciprocally rotate, and the rotating shaft can drive the moving contact to respectively contact with the first fixed contact or the second fixed contact in the axial reciprocal rotation process in the switch main body. The number of spare parts can be less, the production cost is effectively reduced, the structure is simplified, the disassembly and assembly are convenient, and the performance is improved.
Description
Technical Field
The utility model relates to the field of dual power switches, in particular to an excitation type three-section dual power switch.
Background
The important sites of special or primary load users specified by the country, such as high-rise buildings, post and telecommunications, coal mine ships, industrial pipelines, medical and health, military equipment, airports, fire protection, metallurgy, chemical industry, textile, petroleum and the like which do not allow power failure, are common scenes of the double-power transfer switch. The double-power switching device is mainly used in an emergency power supply system, and when a main power supply is powered off, overvoltage, undervoltage and open-phase, the switch can automatically switch the load circuit to a standby power supply to supply power to a load. The most common is that one path of commercial power is used, and the other path of power is used as a generator. At present, more power from two different substations is available.
The dual-power transfer switch comprises two switch types, namely two-section type switch and three-section type switch; the two-stage type refers to that the double-power transfer switch is only connected to a common power supply or a standby power supply; the three-section type is that the double-power transfer switch has three positions, is connected to the common power supply, is connected to the standby power supply, and is not connected to the common power supply or the standby power supply (double-branch). The three-stage type is a better choice when the equipment needs to be overhauled or the power supply is completely disconnected for testing.
The existing three-section type dual-power switch comprises three electromagnets, 13 small stamping parts and parts, the number of the parts is large, the matching structure is complex, the double-rod transmission is adopted, the structure of the transmitted electric power part is also complex, the transmission principle of the existing three-section type dual-power switch is that when three states of A.B.C are selected, the corresponding three electromagnets act, a circuit is connected when the corresponding three electromagnets are transmitted to a D rod or an E rod in a combined mode, different output results are obtained when the corresponding three electromagnets are transmitted to the D rod or the E rod in different states, and therefore the existing transmission structure can meet the use requirements of the existing three-section type dual-power switch.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model aims to provide an excitation type three-section double-power switch so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an excitation type three-section dual power switch, is including the switch main part, and set up the first stationary contact that is used for the intercommunication main power supply on the switch main part, and be used for the second stationary contact of intercommunication stand-by power supply, and the axis of rotation of axial swivelling joint in the switch main part, be provided with the moving contact that can contact with first stationary contact or second stationary contact respectively in the axis of rotation, be provided with the switching component that is used for driving axis of rotation pivoted on the switch main part, the switching component is located axis of rotation one end, the switching component is including the fixed driving part that sets up at the axis of rotation tip and the electro-magnet that is used for driving the driving part swing joint setting on the switch main part, the electro-magnet can drive axis of rotation in the switch main part through the driving part and axially rotate, the electro-magnet is provided with two and two electro-magnets can drive axis of rotation reciprocating rotation, and the axis of rotation can drive the moving contact respectively with first stationary contact or second stationary contact in the axial reciprocating rotation's of switch main part in-process.
The utility model is further provided with: the switch is characterized in that a first micro-switch capable of disconnecting the electromagnet loop under the connection state of the moving contact and the first fixed contact, a second micro-switch capable of disconnecting the electromagnet loop under the connection state of the moving contact and the second fixed contact, and a third micro-switch capable of disconnecting the electromagnet loop under the middle states of the moving contact, the first fixed contact and the second fixed contact, which are not connected, are arranged in the switch body, and a deflector rod capable of respectively abutting against each micro-switch is arranged on the transmission piece.
The utility model is further provided with: the two electromagnets are symmetrically arranged on two opposite sides of the rotating shaft, the driving ends of the two electromagnets are respectively and movably connected with two opposite ends of the transmission piece, the deflector rod is positioned in the middle of the transmission piece, and two end parts of the transmission piece, which are respectively and movably connected with the two electromagnets, and the deflector rod are arranged at the top ends of the transmission piece, which are used for being abutted against each micro switch, in a triangular structure.
The utility model is further provided with: the driving end of the electromagnet is provided with a connecting rod which is movably connected with the transmission piece, the transmission piece is provided with a sliding groove for the connecting rod to slide and connect, and the electromagnet drives the transmission piece to slide in the sliding groove through the driving end in-process connecting rod which drives the transmission piece to rotate.
The utility model is further provided with: the middle part of the thickness direction of the transmission piece is provided with an avoidance groove for avoiding the driving end of the electromagnet, the sliding groove penetrates through the width direction of the transmission piece, and the connecting rod radially penetrates through the driving end of the electromagnet and extends to the sliding grooves on two sides.
The utility model is further provided with: and a limiting part capable of limiting the rotating shaft when the rotating shaft rotates to the position that the moving contact is positioned at the middle position of the two fixed contacts is arranged in the switch main body.
The utility model is further provided with: the switch is characterized in that mounting feet are arranged on two opposite sides of the switch main body, the mounting feet are located at the bottom of the switch main body, and mounting grooves with open structures are formed in the mounting feet.
In summary, the utility model has the following beneficial effects: the transmission piece and the moving contact serving as the conductive piece are fixedly arranged on the rotating shaft, and the two electromagnets can drive the rotating shaft to do reciprocating rotation motion through the transmission piece by utilizing the inward pulling effect of the electromagnets, so that the conductive piece moves to achieve the required control requirement, namely one electromagnet can drive the conductive piece to move leftwards in a controllable manner, the moving contact is contacted with the first fixed contact, or the other electromagnet can drive the conductive piece to move rightwards in a controllable manner, the moving contact is contacted with the second fixed contact, or the two electromagnets can drive the conductive piece to move inwards in a controllable manner, and all circuits are powered off in place. Therefore, the number of spare parts in the dual-power switch designed by the utility model can be reduced, the production cost is reduced in a multiplied way, the structure is simplified, the disassembly and assembly are more convenient, the functions are not reduced, the use quality is more ensured, the mass production is facilitated, and the terminal selling price is further facilitated.
Drawings
FIG. 1 is a schematic perspective view of a three-stage dual power switch;
fig. 2 is a front view of the three-stage dual power switch (with the end housing hidden);
fig. 3 is a schematic perspective view of a three-stage dual power switch (with the end housing hidden);
Fig. 4 is a schematic perspective view of a three-stage dual power switch housing in a hidden state.
Reference numerals: 1. a switch main body; 11. a first stationary contact; 12. a second stationary contact; 13. a rotating shaft; 14. a moving contact; 15. a first microswitch; 16. a second microswitch; 17. a third microswitch; 18. a mounting foot; 181. a mounting groove; 2. a switching part; 21. a transmission member; 211. a chute; 212. an avoidance groove; 22. an electromagnet; 23. a deflector rod.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, in which like parts are denoted by like reference numerals. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
Referring to fig. 1-4, an excitation type three-section dual-power switch comprises a switch main body 1, a first fixed contact 11 arranged on the switch main body 1 and used for being communicated with a main power supply, a second fixed contact 12 used for being communicated with a standby power supply, and a rotating shaft 13 axially and rotatably connected in the switch main body 1, wherein a moving contact 14 which can be respectively contacted with the first fixed contact 11 or the second fixed contact 12 is arranged on the rotating shaft 13, a switching part 2 used for driving the rotating shaft 13 to rotate is arranged on the switch main body 1, the switching part 2 is positioned at one end of the rotating shaft 13, the switching part 2 comprises a transmission piece 21 fixedly arranged at the end part of the rotating shaft 13, an electromagnet 22 which is arranged on the switch main body 1 and used for driving the transmission piece 21, the driving end of the electromagnet 22 is movably connected with the transmission piece 21, the electromagnet 22 can drive the rotating shaft 13 to axially rotate in the switch main body 1, the electromagnet 22 is provided with two electromagnets and the two electromagnets 22 can drive the rotating shaft 13 to reciprocally rotate, and the moving contact 14 can respectively contact with the first fixed contact 11 or the second fixed contact 12 in the process of axially reciprocating rotation of the rotating shaft 13 in the switch main body 1.
The transmission piece 21 and the moving contact 14 serving as a conductive piece are fixedly arranged on the rotating shaft 13, and the two electromagnets 22 can drive the rotating shaft 13 to do reciprocating rotation motion through the transmission piece 21 by utilizing the inward pulling effect of the electromagnets 22, so that the conductive piece moves to achieve the required control requirement, namely one electromagnet 22 can drive the conductive piece to move leftwards in a controllable manner, the moving contact 14 is contacted with the first fixed contact 11, or the other electromagnet 22 can drive the conductive piece to move rightwards in a controllable manner, the moving contact 14 is contacted with the second fixed contact 12, or the two electromagnets 22 can drive the conductive piece to move inwards in a controllable manner, and all circuits are powered off in place. Therefore, the number of spare parts in the dual-power switch designed by the application can be reduced, the production cost is reduced in a multiplied way, the structure is simplified, the disassembly and assembly are more convenient, the functions are not reduced, the use quality is more ensured, the mass production is facilitated, and the terminal selling price is further facilitated.
The switch main body 1 is internally provided with a first micro switch 15 capable of switching off the circuit of the electromagnet 22 in the state that the moving contact 14 is connected with the first fixed contact 11, a second micro switch 16 capable of switching off the circuit of the electromagnet 22 in the state that the moving contact 14 is connected with the second fixed contact 12, and a third micro switch 17 capable of switching off the circuit of the electromagnet 22 in the state that the moving contact 14 is not connected with the first fixed contact 11 and the second fixed contact 12 and is positioned in the middle of the moving contact 14 and the first fixed contact 11, and a driving lever 23 capable of respectively abutting against each micro switch is arranged on the driving piece 21.
The electric control part of the dual power switch comprises a micro switch, wherein the control requirement of the dual power switch is selected by a main circuit, the switch is switched on to select the position switch, the electromagnet 22 is switched on in the normally closed state of the position switch, and the circuit micro switch of the electromagnet 22 is normally closed and off (namely, the deflector rod 23 is in conflict with the first micro switch 15 or the second micro switch 16) when the transmission piece 21 reaches the required position, so that the current trend is that the switch is selected firstly, then the micro switch is switched on, then the electromagnet 22 is switched on, and then the micro switch is switched on, and the left control and the right control can be realized; the two micro switches still remain in a loop state (i.e. the shift lever 23 is in contact with the third micro switch 17) for the control of the neutral position, for example, the right switch is selected in the left turn, the left switch is selected in the right turn, and all circuits are switched off in place.
The two electromagnets 22 are symmetrically arranged on two opposite sides of the rotating shaft 13, the driving ends of the two electromagnets 22 are respectively and movably connected with two opposite ends of the transmission piece 21, the deflector rod 23 is positioned in the middle of the transmission piece 21, and two end parts of the transmission piece 21, which are respectively and movably connected with the two electromagnets 22, and the top ends of the deflector rod 23, which are used for abutting against each micro switch, are arranged in a triangular structure. Referring to fig. 2, three ends of the transmission member 21 are preferably arranged in an isosceles triangle structure, so that the symmetrical arrangement is convenient for mounting parts (without adjusting the forward and reverse directions), and is beneficial for maintaining the neutral position of the dual-power switch.
The driving end of the electromagnet 22 is provided with a connecting rod which is movably connected with the transmission piece 21, the transmission piece 21 is provided with a sliding groove 211 for the connecting rod to slide and connect, and the connecting rod can slide in the sliding groove 211 in the process that the driving end of the electromagnet 22 drives the transmission piece 21 to rotate. The connecting rod can be limited axially and connected to the driving end of the electromagnet 22 in a circumferential rotation manner, the sliding groove 211 is arranged in a kidney-shaped groove structure, the outer diameter of the connecting rod is matched with the width of the sliding groove 211, and the connecting rod can move in the sliding groove 211 in a rotating manner along the length direction of the connecting rod, so that the electromagnet 22 fixed on the switch main body 1 can drive the transmission piece 21 to rotate flexibly during operation.
An avoiding groove 212 for avoiding the driving end of the electromagnet 22 is formed in the middle of the thickness direction of the transmission member 21, the sliding groove 211 penetrates through the width direction of the transmission member 21, and the connecting rod radially penetrates through the driving end of the electromagnet 22 and extends to the sliding grooves 211 on two sides. The use stability and the service life of the connecting rod and the transmission piece 21 are effectively improved.
A limiting part capable of limiting the rotating shaft 13 when the rotating shaft 13 rotates to a position where the moving contact 14 is positioned in the middle of the two fixed contacts is arranged in the switch main body 1. When the deflector rod 23 is in contact with the third micro switch 17, the circuit of the two electromagnets 22 is disconnected, so that the dual power switch can be maintained in a neutral state, and the setting of the limiting component can further improve the stability and the use safety of the dual power switch in the neutral state.
The opposite sides of the switch main body 1 are provided with mounting feet 18, the mounting feet 18 are positioned at the bottom of the switch main body 1, and the mounting feet 18 are provided with mounting grooves 181 with open structures. The open design of the mounting groove 181 is convenient for realizing the quick plug connection of the mounting feet 18, is beneficial to improving the dismounting efficiency of the dual-power switch, and the groove openings of the mounting feet 18 on two sides of the switch main body 1 are preferably arranged oppositely.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides an excitation type three-section double power switch, is including switch main part (1), and set up first stationary contact (11) that are used for the intercommunication main power supply on switch main part (1), and second stationary contact (12) that are used for the intercommunication stand-by power supply, and axis of rotation (13) of axial rotation connection in switch main part (1), be provided with on axis of rotation (13) movable contact (14) that can be contacted with first stationary contact (11) or second stationary contact (12) respectively, be provided with on switch main part (1) and be used for driving axis of rotation (13) pivoted switching component (2), switching component (2) are located axis of rotation (13) one end, characterized by: the switching part (2) comprises a transmission part (21) fixedly arranged at the end part of the rotating shaft (13) and an electromagnet (22) arranged on the switch main body (1) and used for driving the transmission part (21), the driving end of the electromagnet (22) is movably connected with the transmission part (21), the electromagnet (22) can drive the rotating shaft (13) to axially rotate in the switch main body (1) through the transmission part (21), the electromagnets (22) are provided with two electromagnets (22) and can drive the rotating shaft (13) to reciprocally rotate, and the rotating shaft (13) can drive the moving contact (14) to respectively contact with the first fixed contact (11) or the second fixed contact (12) in the process of axially reciprocally rotating in the switch main body (1).
2. The excited three-segment dual power switch as defined in claim 1, wherein: the switch is characterized in that a first micro-switch (15) capable of disconnecting the loop of the electromagnet (22) under the connection state of the moving contact (14) and the first fixed contact (11), a second micro-switch (16) capable of disconnecting the loop of the electromagnet (22) under the connection state of the moving contact (14) and the second fixed contact (12), and a third micro-switch (17) capable of disconnecting the loop of the electromagnet (22) under the middle states of the moving contact (14) and the first fixed contact (11) and the second fixed contact (12) are arranged in the switch main body (1), and a deflector rod (23) capable of respectively abutting against each micro-switch is arranged on the transmission piece (21).
3. An excitation type three-section double power switch according to claim 2, characterized in that: the two electromagnets (22) are symmetrically arranged on two opposite sides of the rotating shaft (13), the driving ends of the two electromagnets (22) are respectively movably connected with two opposite ends of the transmission piece (21), the deflector rod (23) is positioned in the middle of the transmission piece (21), and two end parts of the transmission piece (21) which are respectively movably connected with the two electromagnets (22) and the deflector rod (23) are arranged in a triangular structure on the top ends which are in contact with the micro switches.
4. A field three-section dual power switch as defined in any one of claims 1-3, wherein: the driving end of the electromagnet (22) is provided with a connecting rod which is movably connected with the transmission piece (21), the transmission piece (21) is provided with a sliding groove (211) which is used for the sliding connection of the connecting rod, and the electromagnet (22) drives the transmission piece (21) to slide in the sliding groove (211) through the driving end in the rotating process of the driving end.
5. The excited three-segment dual power switch as defined in claim 4, wherein: the middle part of the thickness direction of the transmission member (21) is provided with an avoidance groove (212) for avoiding the driving end of the electromagnet (22), the sliding groove (211) penetrates through the width direction of the transmission member (21), and the connecting rod radially penetrates through the driving end of the electromagnet (22) and extends to the sliding grooves (211) on two sides.
6. The excited three-segment dual power switch as defined in claim 1, wherein: a limiting part capable of limiting the rotating shaft (13) when the rotating shaft (13) rotates to the position that the moving contact (14) is located at the middle position of the two fixed contacts is arranged in the switch main body (1).
7. The excited three-segment dual power switch as defined in claim 1, wherein: the switch is characterized in that mounting feet (18) are arranged on two opposite sides of the switch main body (1), the mounting feet (18) are located at the bottom of the switch main body (1), and mounting grooves (181) with open structures are formed in the mounting feet (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322631481.3U CN221176012U (en) | 2023-09-26 | 2023-09-26 | Excitation type three-section dual-power switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322631481.3U CN221176012U (en) | 2023-09-26 | 2023-09-26 | Excitation type three-section dual-power switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221176012U true CN221176012U (en) | 2024-06-18 |
Family
ID=91461060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322631481.3U Active CN221176012U (en) | 2023-09-26 | 2023-09-26 | Excitation type three-section dual-power switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221176012U (en) |
-
2023
- 2023-09-26 CN CN202322631481.3U patent/CN221176012U/en active Active
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