CN109887779B - Ceramic sealing auxiliary switch for direct current contactor - Google Patents
Ceramic sealing auxiliary switch for direct current contactor Download PDFInfo
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- CN109887779B CN109887779B CN201910261143.0A CN201910261143A CN109887779B CN 109887779 B CN109887779 B CN 109887779B CN 201910261143 A CN201910261143 A CN 201910261143A CN 109887779 B CN109887779 B CN 109887779B
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- button
- auxiliary switch
- current contactor
- direct current
- ceramic
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- 239000000919 ceramic Substances 0.000 title claims abstract description 46
- 238000007789 sealing Methods 0.000 title claims abstract description 15
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 244000273256 Phragmites communis Species 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 238000005219 brazing Methods 0.000 claims description 3
- 244000089486 Phragmites australis subsp australis Species 0.000 abstract 1
- 238000000605 extraction Methods 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
The invention provides a ceramic sealing auxiliary switch for a direct current contactor, which is characterized in that: the ceramic sealing auxiliary switch is positioned below the direct-current contactor and comprises a button top cover, a button, a movable reed and a leading-out terminal, a valveable connecting ring is arranged below the button top cover, the movable reed is arranged below the valveable connecting ring and is positioned on a ceramic shell, and the leading-out terminal is arranged at the bottom of the ceramic shell. Compared with the prior art, the ceramic sealing auxiliary switch for the direct current contactor is reasonable in structure, the ceramic sealing auxiliary switch is arranged below the direct current contactor, the lower end of the push rod is in contact with the upper end of the push button, the lower end of the push button is in contact with the contact of the movable reed, and when the push rod moves downwards, the push button is driven to move downwards, so that the contact between the movable reeds is separated, and signals are fed back from a lead in the leading-out terminal.
Description
[ field of technology ]
The invention relates to the technical field of contactor manufacturing, in particular to a ceramic sealing auxiliary switch for a direct current contactor.
[ background Art ]
At present, the structure of the direct current contactor without auxiliary contacts is that a static iron core and a magnetic conduction plate are fixed together, a push rod and the static iron core are firmly welded, a return spring is arranged between the dynamic iron core and the static iron core, an iron core sleeve and the magnetic conduction plate are welded together, and the magnetic conduction plate is in close contact with a U-shaped yoke. The U-shaped yoke iron, the movable iron core, the static iron core and the magnetic conduction plate form a magnetic conduction loop, the movable iron core drives the push rod to move upwards under the action of magnetic force to enable the iron core sleeve to play a guiding role, the coil provides magnetic force for the movable iron core to move upwards, the push rod drives the movable contact piece to move upwards, and the movable contact and the static contact are closed, so that a switching function is realized.
In the structure, the auxiliary switch is not arranged, so that the closing condition of the switch is that the contactor with the traditional square ceramic structure can not be intuitively fed back, and products for designing the auxiliary switch are fresh because of the limitation of the internal space.
[ invention ]
The invention aims to overcome the defects of the prior art and provide a ceramic sealing auxiliary switch for a direct current contactor, which aims to solve the problems that the direct current contactor lacks an auxiliary switch and the like due to insufficient space and the like in the prior art.
In order to achieve the above object, the present invention provides a ceramic sealing auxiliary switch for a direct current contactor, which is characterized in that: including direct current contactor and ceramic seal auxiliary switch, ceramic seal auxiliary switch is located direct current contactor's below, ceramic seal auxiliary switch includes button top cap, button, valveable go-between, movable reed, ceramic shell and extraction terminal, button top cap below is equipped with valveable go-between, valveable go-between below is equipped with movable reed, button top cap and valveable go-between are passed to the button lower extreme and movable reed contact, movable reed is located ceramic shell, ceramic shell bottom is equipped with extraction terminal.
Preferably, the direct current contactor is provided with an iron core sleeve and a push rod, the lower end of the push rod is connected with the top of the button, and the iron core sleeve is connected with the valve connecting ring in a welding mode.
Preferably, the top of the button top cover is provided with a mounting hole, grooves are formed in two sides of the mounting hole, an elastic solid part is arranged between the grooves, the bottom end of the button is in a gyro-shaped structure, and the maximum diameter of the bottom end of the button is larger than the diameter of the mounting hole.
Preferably, a reset spring is arranged between the button and the button top cover.
Preferably, the number of the movable reeds is two, the two movable reeds are arranged in a herringbone shape, and the upper parts of the contacts of the two movable reeds are contacted with the bottom end of the button.
Preferably, a lead mounting hole for mounting a lead is formed in the side surface of the lead-out terminal, and a riveting extrusion point is formed in the bottom of the lead-out terminal.
Preferably, the lead-out terminal is connected with the ceramic shell by brazing, and the lead-out terminal is connected with the movable reed by riveting or welding.
The invention has the beneficial effects that: compared with the prior art, the ceramic sealing auxiliary switch for the direct current contactor is reasonable in structure, the ceramic sealing auxiliary switch is arranged below the direct current contactor, the lower end of the push rod is in contact with the upper end of the push button, the lower end of the push button is in contact with the contact of the movable reed, and when the push rod moves downwards, the push button is driven to move downwards, so that the contact between the movable reeds is separated, and signals are fed back from a lead in the leading-out terminal.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a schematic diagram of a ceramic seal auxiliary switch for a DC contactor according to an embodiment of the present invention;
FIG. 2 is a component position diagram of a ceramic seal auxiliary switch according to an embodiment of the present invention;
FIG. 3 is a schematic view of the structure of a button top cover according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a lead-out terminal according to an embodiment of the present invention.
In the figure: 1-button top cap, 11-mounting hole, 12-solid part, 13-fluting, 2-button, 21-reset spring, 3-valveable tie ring, 4-movable reed, 41-contact, 5-ceramic shell, 6-extraction terminal, 61-lead mounting hole, 62-riveting extrusion point, 7-direct current contactor, 71-push rod, 72-iron core sleeve, 8-ceramic seal auxiliary switch.
[ detailed description ] of the invention
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1 to 4, an embodiment of the present invention provides a ceramic seal auxiliary switch for a dc contactor, which is characterized in that: including direct current contactor 7 and ceramic seal auxiliary switch 8, ceramic seal auxiliary switch 8 is located direct current contactor 7's below, ceramic seal auxiliary switch 8 includes button top cap 1, button 2, valveable hookup circle 3, movable contact spring 4, ceramic housing 5 and extraction terminal 6, button top cap 1 below is equipped with valveable hookup circle 3, valveable hookup circle 3 below is equipped with movable contact spring 4, button 2 lower extreme passes button top cap 1 and valveable hookup circle 3 and contacts with movable contact spring 4, movable contact spring 4 is located ceramic housing 5, ceramic housing 5 bottom is equipped with extraction terminal 6.
The DC contactor 7 is provided with an iron core sleeve 72 and a push rod 71, the lower end of the push rod 71 is connected with the top of the button 2, and the iron core sleeve 72 is connected with the valve connecting ring 3 in a welding way.
The top of the button top cover 1 is provided with a mounting hole 11, grooves 13 are formed in two sides of the mounting hole 11, elastic solid parts 12 are arranged between the grooves 13, the bottom end of the button 2 is in a gyro-shaped structure, and the maximum diameter of the bottom end of the button 2 is larger than that of the mounting hole 11. A return spring 21 is arranged between the button 2 and the button top cover 1.
The number of the movable springs 4 is two, the two movable springs 4 are arranged in a herringbone shape, and the upper parts of the contacts 41 of the two movable springs 4 are contacted with the bottom end of the button 2. The side of the lead-out terminal 6 is provided with a lead mounting hole 61 for mounting a lead, and the bottom of the lead-out terminal 6 is provided with a riveting extrusion point 62. The lead-out terminal 6 is connected with the ceramic shell 5 by brazing, and the lead-out terminal 6 is connected with the movable reed 4 by riveting or welding.
The working process of the invention comprises the following steps:
in the working process of the ceramic sealing auxiliary switch for the direct current contactor, the ceramic sealing auxiliary switch 8 is arranged below the direct current contactor 7, the lower end of the push rod 71 is contacted with the upper end of the push button 2, the lower end of the push button 2 passes through the push button top cover 1 and the valveable connecting ring 3 to be contacted with the contact 41 of the movable reed 4, when the push rod 71 moves downwards, the push button 2 is driven to move downwards, so that the contact 41 between the movable reeds 4 is separated, signals are fed back from a lead wire in the lead-out terminal 6, the reset spring 21 resets the push button 2 upwards, and the mounting hole 11 on the push button top cover 1 is designed to ensure that the push button 2 cannot be separated from the push button top cover 1 in the resetting process.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (5)
1. A ceramic seal auxiliary switch for a direct current contactor is characterized in that: the ceramic sealing auxiliary switch (8) is positioned below the direct-current contactor (7), the ceramic sealing auxiliary switch (8) comprises a button top cover (1), a button (2), a valveable connecting ring (3), movable reeds (4), a ceramic shell (5) and a leading-out terminal (6), the valveable connecting ring (3) is arranged below the button top cover (1), the movable reeds (4) are arranged below the valveable connecting ring (3), the lower end of the button (2) passes through the button top cover (1) and the valveable connecting ring (3) to be in contact with the movable reeds (4), the movable reeds (4) are positioned on the ceramic shell (5), the leading-out terminal (6) is arranged at the bottom of the ceramic shell (5), a mounting hole (11) is arranged at the top of the button top cover, grooves (13) are formed in two sides of the mounting hole (11), elastic solid parts (12) are arranged between the grooves (13), the bottom ends of the button (2) are of a structure in a shape, the bottom ends of the button (2) are larger than the maximum diameter of the two-shaped moving reeds (4) and are placed in a shape of two-shaped reed pieces, the upper parts of the contacts (41) of the two movable reeds (4) are contacted with the bottom end of the button (2).
2. A ceramic seal auxiliary switch for a direct current contactor according to claim 1, wherein: the direct current contactor (7) is provided with an iron core sleeve (72) and a push rod (71), the lower end of the push rod (71) is connected with the top of the button (2), and the iron core sleeve (72) is connected with the valve connecting ring (3) in a welding mode.
3. A ceramic seal auxiliary switch for a direct current contactor according to claim 1, wherein: a reset spring (21) is arranged between the button (2) and the button top cover (1).
4. A ceramic seal auxiliary switch for a direct current contactor according to claim 1, wherein: the side of the leading-out terminal (6) is provided with a lead mounting hole (61) for mounting a lead, and the bottom of the leading-out terminal (6) is provided with a riveting extrusion point (62).
5. A ceramic seal auxiliary switch for a direct current contactor according to claim 1, wherein: the lead-out terminal (6) is connected with the ceramic shell (5) by brazing, and the lead-out terminal (6) is connected with the movable reed (4) by riveting or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261143.0A CN109887779B (en) | 2019-04-02 | 2019-04-02 | Ceramic sealing auxiliary switch for direct current contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910261143.0A CN109887779B (en) | 2019-04-02 | 2019-04-02 | Ceramic sealing auxiliary switch for direct current contactor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109887779A CN109887779A (en) | 2019-06-14 |
| CN109887779B true CN109887779B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910261143.0A Active CN109887779B (en) | 2019-04-02 | 2019-04-02 | Ceramic sealing auxiliary switch for direct current contactor |
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| CN (1) | CN109887779B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111613467B (en) * | 2020-05-22 | 2022-04-05 | 贵州振华华联电子有限公司 | Coupling vertical drawing locking mechanism and operation method thereof |
| CN113808872B (en) * | 2020-06-22 | 2023-10-31 | 中车唐山机车车辆有限公司 | Out-of-car button device for railway vehicle and railway vehicle |
| CN111916312B (en) * | 2020-08-12 | 2023-03-21 | 浙江众信新能源科技股份有限公司 | Relay contact assembly capable of resisting large short circuit current |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449279A (en) * | 2016-10-26 | 2017-02-22 | 厦门宏发电力电器有限公司 | A DC contactor with auxiliary contacts |
| CN207302991U (en) * | 2017-10-17 | 2018-05-01 | 三友联众集团股份有限公司 | A kind of push rod Improvement type relay |
| CN207663994U (en) * | 2017-11-30 | 2018-07-27 | 上海西艾爱电子有限公司 | A kind of auxiliary device of synchronous feedback |
| CN108666175A (en) * | 2018-06-15 | 2018-10-16 | 贵州振华群英电器有限公司（国营第八九厂） | A kind of contactor of double magnetic circuit system |
| CN109256300A (en) * | 2018-11-14 | 2019-01-22 | 沈阳二三控制电器制造有限公司 | A kind of nonpolarity ceramic seal bipolar DC contactor |
-
2019
- 2019-04-02 CN CN201910261143.0A patent/CN109887779B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106449279A (en) * | 2016-10-26 | 2017-02-22 | 厦门宏发电力电器有限公司 | A DC contactor with auxiliary contacts |
| CN207302991U (en) * | 2017-10-17 | 2018-05-01 | 三友联众集团股份有限公司 | A kind of push rod Improvement type relay |
| CN207663994U (en) * | 2017-11-30 | 2018-07-27 | 上海西艾爱电子有限公司 | A kind of auxiliary device of synchronous feedback |
| CN108666175A (en) * | 2018-06-15 | 2018-10-16 | 贵州振华群英电器有限公司（国营第八九厂） | A kind of contactor of double magnetic circuit system |
| CN109256300A (en) * | 2018-11-14 | 2019-01-22 | 沈阳二三控制电器制造有限公司 | A kind of nonpolarity ceramic seal bipolar DC contactor |
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| CN109887779A (en) | 2019-06-14 |
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