CN109473315B - Auxiliary contact with indication function and contactor - Google Patents
Auxiliary contact with indication function and contactor Download PDFInfo
- Publication number
- CN109473315B CN109473315B CN201811420545.2A CN201811420545A CN109473315B CN 109473315 B CN109473315 B CN 109473315B CN 201811420545 A CN201811420545 A CN 201811420545A CN 109473315 B CN109473315 B CN 109473315B
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- indication
- contact
- module
- plate
- contactor
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- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/08—Indicators; Distinguishing marks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H50/00—Details of electromagnetic relays
- H01H50/54—Contact arrangements
- H01H50/541—Auxiliary contact devices
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to an auxiliary contact with an indication function and a contactor, comprising a shell, a contact module and an indication module, wherein one end of the contact module extends out of a linkage hole of the shell and is connected with a contactor body, the top end of the shell is provided with an indication hole, the contactor body drives the indication module to move below the indication hole along with the suction or release of the contactor body, different indication states are displayed at the indication hole, the indication module comprises two guide plates connected below the indication plates, a guide groove is arranged on each guide plate, the contact module comprises a contact support, a double-head sliding block is arranged, and two ends of the double-head sliding block are respectively embedded into the guide grooves of the two guide plates. Compared with the prior art, the invention endows the auxiliary contact with an indication function, so that operation and maintenance personnel can see the indication of the switch state to the maximum extent, and can clearly and definitely observe and judge the states of the switch body and the auxiliary module; the scheme is simple in design and easy to assemble; the functions are practical, and the effects are obvious.
Description
Technical Field
The invention relates to the technical field of contactors, in particular to an auxiliary contact with an indication function and a contactor.
Background
The side-mounted auxiliary contact is a side-mounted auxiliary contact module for an alternating-current contactor, is arranged on two sides of a switch body and is used for helping to transmit action state signals of the switch or form electrical interlocking among the switches. For personal safety, operation and maintenance personnel all require the visualization of the action state of the switch, and the switch is required to have the functions of visually, reliably and definitely indicating the closing and opening states of all contacts of the switch. However, some switch bodies and auxiliary modules on the market at present cannot satisfactorily perform the above indication function, and the main problems are that: in some specific working environments, such as under the working conditions of darker light and shielded sight, the user cannot intuitively judge the electromagnetic switch state of the contactor body according to the contactor body, but the existing side-hanging auxiliary contacts have no indication function, as shown in fig. 1, and cannot indicate the electromagnetic switch state of the contactor body according to the switch state of the side-hanging auxiliary contacts.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an auxiliary contact with an indication function and a contactor.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides an auxiliary contact of area instruction function, this auxiliary contact installs in one side lateral wall of contactor body, including casing, contact module and instruction module, instruction module and contact module all install in the casing, the shell is stretched out to contact module one end and is connected the linkage hole of contactor body, the casing top be equipped with the instruction hole, along with the actuation or the release of contactor body, the contactor body passes through contact module and drives the instruction module and move in the instruction hole below, shows different instruction states in instruction hole department, wherein, the instruction module include the deflector and connect in two deflector that are parallel to each other of deflector below, be equipped with the slant guide way on every deflector, the contact module include that the contact supports, this contact supports the top and is equipped with a support, be equipped with the double-end sliding block on this support, the both ends of this double-end sliding block imbeds respectively in the guide way of two deflector.
Further, the casing be equipped with the instruction spout chamber of horizontal direction in the below of instructing the hole, the below in instruction spout chamber is equipped with vertical direction contact spout chamber, contact spout chamber and instruction spout chamber intercommunication, the deflector is connected to the instruction board to transversely slide in the instruction spout intracavity, the contact support at the vertical slip in contact spout intracavity.
Further, the double-end sliding block is a cylinder block, the cylinder block is transversely arranged, the middle part of the cylinder block is connected with the bracket, and two ends of the cylinder block are respectively embedded into the guide grooves.
Further, the guide groove is of a three-section structure, two ends of the guide groove are arranged in a staggered and parallel mode and are connected through the middle section, and the lowest end of the guide groove is of a closed structure.
Further, a first indication area and a second indication area are arranged on the upper surface of the indication plate, and the first indication area and the second indication area are respectively displayed below the indication holes through sliding of the indication plate in the indication chute cavity.
Further, the first indication area is a green coating, and the second indication area is a red coating.
Further, semicircular strip flange structures are arranged at the edges of the two sides of the indicating plate, and the indicating plate is contacted with the sliding groove in the indicating sliding groove cavity through the flange structures.
Further, the contact module further comprises a first contact bridge, a second contact bridge, a first contact spring and a second contact spring, wherein a transverse extending end is arranged on the contact support and used for being connected with a linkage hole of the contactor body, a first inner cavity and a second inner cavity are further arranged in the contact support, the first contact bridge penetrates through the first inner cavity and is fixed on the upper wall of the first inner cavity through the first contact spring, the second contact bridge penetrates through the second inner cavity and is fixed on the lower wall of the second inner cavity through the second contact spring, and a reset spring is further arranged at the bottom of the contact support.
Further, still include normally closed contact plate and normally open contact plate, normally closed contact plate and normally open contact plate install inside the casing, first contact bridge connect normally closed contact plate, the second contact bridge set up in normally open contact plate's top.
A contactor is provided, one side or two sides of which are provided with any auxiliary contact with an indication function.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, the working state of the switch body and the self working state of the switch body are directly displayed through the indication hole on the shell and the mechanical transmission structure of the contact module and the indication module in the shell, so that a user can directly and intuitively and conveniently know the working state through the auxiliary contact under the condition that the contactor body is shielded, and the application range is wide;
2. according to the invention, the indication chute cavity and the contact chute cavity are arranged in the shell, and the contact module and the indication module are linked, so that the contact module can directly drive the indication module, any other part is not required to be passed through in the middle, and the structure is simple and reliable, and the assembly is easy;
3. according to the invention, the double-head sliding blocks on the contact support are matched with the double guide grooves on the indication module, so that the double-head sliding blocks are clamped into the guide grooves, and the sliding of the guide blocks is more stable and smooth; meanwhile, the bottommost end of the guide groove is of a closed structure, so that the double-head sliding block can be prevented from falling off in the sliding process, the structure is more reliable, and the structure is more integral;
4. the guide groove on the guide plate adopts a three-section structure, so that the left and right sliding of the sliding module has an obvious stop, and the display of the working state is more definite;
5. semicircular strip flange structures are arranged at the edges of the two sides of the indication plate and matched with the sliding grooves in the sliding groove cavity, so that the indication module slides smoothly and stably;
6. the indication areas on the indication board are in one-to-one correspondence with the switch states of the contactor and the auxiliary contact, the red indication part indicates that the switch is closed, the green indication part indicates that the switch is opened, and the indication function is direct, clear and definite;
in summary, the invention endows the auxiliary contact with an indication function, so that operation and maintenance personnel can see the indication of the switch state to the maximum extent, and can clearly and definitely observe and judge the states of the switch body and the auxiliary module; the vertical displacement is converted into the horizontal displacement through simple matching of a small number of parts to realize the indication function, and the scheme is simple in design and easy to assemble; the functions are practical, and the effects are obvious.
Drawings
FIG. 1 is a schematic diagram of a prior art auxiliary contact;
FIG. 2 is a schematic front view of the internal structure of the present invention;
FIG. 3 is a schematic perspective view of the internal structure of the present invention;
FIG. 4 is a schematic front view of the internal structure of the housing;
FIG. 5 is a schematic perspective view of an indicator;
FIG. 6 is a schematic front view of the indicator;
FIG. 7 is a schematic side view of the indicator;
FIG. 8 is a schematic perspective view of a contact support;
FIG. 9 is a schematic diagram of the present invention indicating a closed state;
FIG. 10 is a schematic diagram of the present invention indicating an open state;
reference numerals: 1. the housing, 11, the indication chute chamber, 12, the contact chute chamber, 13, the indication hole, 2, the contact module, 21, the contact support, 211, the first inner chamber, 212, the second inner chamber, 213, the bracket, 214, the double-ended slider, 215, the extension end, 23, the first contact bridge, 24, the second contact bridge, 25, the first contact spring, 26, the second contact spring, 3, the indication module, 32, the indication plate, 321, the first indication area, 322, the second indication area, 323, the flange structure, 33, the guide plate, 331, the guide slot, 4, the normally closed contact plate, 5, the normally open contact plate, 6, the return spring.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the following examples.
As shown in fig. 2, the present embodiment provides an auxiliary contact with an indication function, which includes a housing 1, a contact module 2, and an indication module 3. The indication module 3 and the contact module 2 are both arranged in the shell 1, and one end of the contact module 2 extends out of the linkage hole of the shell 1 for connecting the contactor body; the top end of the shell 1 is provided with an indication hole 13, and along with the suction or release of the contactor body, the contactor body drives the indication module 3 to move below the indication hole 13 through the contact module 2, and different indication states are displayed at the indication hole 13.
As shown in fig. 5 to 7, the indication module 3 includes an indication plate 32 and two guide plates 33. The indication board 32 has a cuboid structure, a green first indication area 321 is arranged on the left side of the upper surface of the indication board, and a red second indication area 322 is arranged on the right side of the upper surface of the indication board; the indicator plate 32 is provided with semicircular elongate flange formations 323 on both side edges thereof such that the edges thereof are slightly higher than the intermediate region, and the indicator plate 32 contacts the chute in the chute chamber 11 via the flange formations 323. The two guide plates 33 are parallel to each other and are vertically disposed below the indicator plate 32, and the guide plates 33 and the indicator plate 32 are in an integrated structure in this embodiment. Each guide plate 33 is provided with a guide groove 331, the guide grooves 331 are of a three-section structure, the first section is vertically downward below the first indication area 321, the second section is connected with the first section to be downward along a 45-degree oblique angle, the third section is connected with the second section to be vertically downward below the second indication area 322, and the lowermost end of the guide grooves 331 is of a closed structure. The guide grooves 331 on the two guide plates 33 have the same structure.
As shown in fig. 8, the contact module 2 includes a contact support 21, a first contact bridge 23, a second contact bridge 24, a first contact spring 25 and a second contact spring 26. A return spring 6 is mounted at the bottom of the contact support 21 to provide a return spring force to the contact support 21, and a lateral extension 215 is provided at the side of the contact support 21 for connecting to the linkage hole of the contactor body. The contact support 21 is internally provided with a first inner cavity 211 positioned on the upper half part and a second inner cavity 212 positioned on the lower half part, the first contact bridge 23 penetrates through the first inner cavity 211, and the middle part of the first contact bridge is fixed on the upper wall of the first inner cavity 211 through a first contact spring 25; the second contact bridge 24 passes through the second interior cavity 212, with its intermediate portion secured to the lower wall of the second interior cavity 212 by the second contact spring 26.
The top end of the contact support 21 is provided with a bracket 213, the uppermost end of the bracket 213 is connected with a double-head sliding block 214, the double-head sliding block 214 is in particular a cylinder block, the cylinder block is transversely arranged, the middle part is connected with the bracket 213, and the two ends of the cylinder block are respectively embedded into the guide grooves 331 of the two guide plates 33.
As shown in fig. 2 to 4, the housing 1 is provided with an indication chute cavity 11 in a horizontal direction below the indication hole 13, a contact chute cavity 12 in a vertical direction is provided below the indication chute cavity 11, the contact chute cavity 12 is communicated with the indication chute cavity 11, the indication plate 32 is connected with a guide plate 33 to slide transversely in the indication chute cavity 11, the contact support 21 slides vertically in the contact chute cavity 12, and two ends of the double-end sliding block 214 are respectively embedded into the guide grooves 331 of the two guide plates 33 and slide along the guide grooves 331.
The shell 1 is internally provided with a normally-closed contact plate 4 and a normally-open contact plate 5, the first contact bridge 23 is connected with the normally-closed contact plate 4, the second contact bridge 24 is arranged above the normally-open contact plate 5 for a certain distance, the first contact bridge 23 can be disconnected with the normally-closed contact plate 4 under the driving of the contact module 2, and the first contact bridge 23 is contacted with the normally-open contact plate 5.
This embodiment has two states of indication:
the first state is shown in fig. 9. The working principle is as follows: the extending end 215 on the contact support 21 is matched with the linkage hole of the contactor, when the contactor is sucked, the contact support 21 of the auxiliary contact moves downwards through the linkage hole of the contactor, the normally closed contact plate 4 is opened, the normally open contact plate 5 is closed, the reset spring 6 at the bottom is compressed, meanwhile, the contact support 21 moves downwards to drive the double-head sliding block 214 to slide to the left lower part from the upper right part of the guide groove 331, the indication module 3 is driven to move rightwards in the indication chute cavity 11, at the moment, the red-green coating of the indication module 3 moves rightwards, the initial state indication hole 13 can be observed to display green through the indication hole 13, and the indication hole 13 displays red after the contactor is sucked. Namely: the red color indicates that the contactor is in the suction state and the side-hung auxiliary contact is in the closed state.
The second state, also the initial state, is shown in fig. 10. The working principle is as follows: when the contactor is released, the counterforce generated by the return spring 6 arranged at the bottom of the contact support 21 causes the contact support 21 to move upwards to return to the initial state, at the same time the normally open contact plate 5 is opened, the normally closed contact plate 4 is closed, and at the same time, the upward movement of the contact support 21 causes the double-end sliding block 214 to slide from the lower left to the upper right of the guide groove 331, the indication module 3 moves leftwards in the indication chute cavity 11, at the same time, the red-green coating on the indication module 3 moves leftwards, and the displayed color can be observed to change from red to green through the indication hole 13. Namely: the green color of the indication hole 13 indicates that the contactor is in a released state and the side hung auxiliary contact is in an opened state.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (8)
1. The auxiliary contact with the indication function is arranged on one side wall of a contactor body and is characterized by comprising a shell (1), a contact module (2) and an indication module (3), wherein the indication module (3) and the contact module (2) are arranged in the shell (1), one end of the contact module (2) extends out of a linkage hole of the shell (1) to be connected with the contactor body, the top end of the shell (1) is provided with the indication hole (13), the contactor body drives the indication module (3) to move below the indication hole (13) along with the suction or release of the contactor body, different indication states are displayed at the indication hole (13), the indication module (3) comprises an indication plate (32) and two mutually parallel guide plates (33) connected below the indication plate (32), an oblique guide groove (331) is formed in each guide plate (33), the contact module (2) comprises a contact support (21), a bracket (213) is arranged at the top end of the contact support (21), and two guide blocks (214) are respectively embedded in the guide plates (331) at two ends of the two guide plates (214);
the shell (1) is provided with an indication chute cavity (11) in the horizontal direction below the indication hole (13), a contact chute cavity (12) in the vertical direction is arranged below the indication chute cavity (11), the contact chute cavity (12) is communicated with the indication chute cavity (11), the indication plate (32) is connected with the guide plate (33) and slides transversely in the indication chute cavity (11), and the contact support (21) slides vertically in the contact chute cavity (12);
the double-end sliding block (214) is a cylinder block which is transversely arranged, the middle part of the cylinder block is connected with the bracket (213), and the two ends of the cylinder block are respectively embedded into the guide grooves (331).
2. The auxiliary contact with indication function according to claim 1, wherein the guide groove (331) is of a three-section structure, two ends are arranged in a staggered and parallel manner, the two ends are connected through a middle section, and the lowest end of the guide groove (331) is of a closed structure.
3. The auxiliary contact with the indication function according to claim 1, wherein a first indication area (321) and a second indication area (322) are arranged on the upper surface of the indication plate (32), and the first indication area (321) and the second indication area (322) are respectively displayed below the indication hole (13) through sliding of the indication plate (32) in the indication chute cavity (11).
4. An auxiliary contact with indication function according to claim 3, characterized in that the first indication area (321) is a green coating and the second indication area (322) is a red coating.
5. The auxiliary contact with indication function according to claim 1, wherein the two side edges of the indication plate (32) are provided with semicircular strip flange structures (323), and the indication plate (32) contacts the sliding groove in the indication sliding groove cavity (11) through the flange structures (323).
6. The auxiliary contact with indication function according to claim 1, wherein the contact module (2) further comprises a first contact bridge (23), a second contact bridge (24), a first contact spring (25) and a second contact spring (26), the contact support (21) is provided with a transverse extending end (215) for connecting with the linkage hole of the contact body, the contact support (21) is further provided with a first inner cavity (211) and a second inner cavity (212) inside, the first contact bridge (23) passes through the first inner cavity (211) and is fixed on the upper wall of the first inner cavity (211) through the first contact spring (25), the second contact bridge (24) passes through the second inner cavity (212) and is fixed on the lower wall of the second inner cavity (212) through the second contact spring (26), and the bottom of the contact support (21) is further provided with a return spring (6).
7. The auxiliary contact with the indication function according to claim 6, further comprising a normally closed contact plate (4) and a normally open contact plate (5), wherein the normally closed contact plate (4) and the normally open contact plate (5) are installed inside the shell (1), the first contact bridge (23) is connected with the normally closed contact plate (4), and the second contact bridge (24) is arranged above the normally open contact plate (5).
8. A contactor, wherein one or both sides of the contactor are provided with the auxiliary contact with an indication function according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811420545.2A CN109473315B (en) | 2018-11-26 | 2018-11-26 | Auxiliary contact with indication function and contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811420545.2A CN109473315B (en) | 2018-11-26 | 2018-11-26 | Auxiliary contact with indication function and contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109473315A CN109473315A (en) | 2019-03-15 |
| CN109473315B true CN109473315B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811420545.2A Active CN109473315B (en) | 2018-11-26 | 2018-11-26 | Auxiliary contact with indication function and contactor |
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| Country | Link |
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| CN (1) | CN109473315B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112103140B (en) * | 2019-09-29 | 2023-06-09 | 行驱电气（上海）有限公司 | Moving contact assembly, base and magnetic latching relay |
| CN113728409A (en) * | 2019-11-18 | 2021-11-30 | 富士电机机器制御株式会社 | Auxiliary contact unit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324343A (en) * | 2011-09-20 | 2012-01-18 | 上海诺雅克电气有限公司 | Connecting structure with overhead-hung auxiliary contacts |
| CN105977104A (en) * | 2016-05-06 | 2016-09-28 | 厦门宏发开关设备有限公司 | Side-hanging auxiliary contact module of contactor |
| CN107359086A (en) * | 2016-05-10 | 2017-11-17 | 上海诺雅克电气有限公司 | The indicating fault auxiliary contact of breaker |
| CN209282137U (en) * | 2018-11-26 | 2019-08-20 | 德力西电气有限公司 | A kind of auxiliary contact and contactor of band instruction function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102513352B1 (en) * | 2016-02-25 | 2023-03-23 | 엘에스일렉트릭(주) | Enclosed Type Electric Switch having Status Indication Function |
-
2018
- 2018-11-26 CN CN201811420545.2A patent/CN109473315B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102324343A (en) * | 2011-09-20 | 2012-01-18 | 上海诺雅克电气有限公司 | Connecting structure with overhead-hung auxiliary contacts |
| CN105977104A (en) * | 2016-05-06 | 2016-09-28 | 厦门宏发开关设备有限公司 | Side-hanging auxiliary contact module of contactor |
| CN107359086A (en) * | 2016-05-10 | 2017-11-17 | 上海诺雅克电气有限公司 | The indicating fault auxiliary contact of breaker |
| CN209282137U (en) * | 2018-11-26 | 2019-08-20 | 德力西电气有限公司 | A kind of auxiliary contact and contactor of band instruction function |
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| Publication number | Publication date |
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| CN109473315A (en) | 2019-03-15 |
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