CN109119261B - Travel switch contactor with multi-path signals - Google Patents
Travel switch contactor with multi-path signals Download PDFInfo
- Publication number
- CN109119261B CN109119261B CN201811101722.0A CN201811101722A CN109119261B CN 109119261 B CN109119261 B CN 109119261B CN 201811101722 A CN201811101722 A CN 201811101722A CN 109119261 B CN109119261 B CN 109119261B
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- Prior art keywords
- contact
- travel switch
- switch contactor
- multiple signals
- movable contact
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
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- Contacts (AREA)
- Manufacture Of Switches (AREA)
Abstract
The invention discloses a travel switch contactor with multiple signals, which comprises a static contact piece (4) and a movable contact piece, and is characterized in that: the number of the movable contacts is 2N, all the movable contacts are uniformly distributed on the same outer circumference of the shaft core (12) and are parallel to the axis, N mounting rings are sleeved on the shaft core (12), each mounting ring is connected with two parallel movable contacts, one end of the static contact (4) is fixed on the supporting seat (7), and the other end of the static contact is in contact with the surface of the movable contact; n is a natural number. The invention changes the arrangement form of the contact group of the contact system, increases the backup of the number of the contact groups and improves the working reliability of the control system.
Description
Technical Field
The invention relates to a travel switch contactor.
Background
With the continuous upgrading and improvement of the reliability requirement of the modern aerospace control system, the output of the travel switch is required to have multiple paths of signals, so that the control system can accurately identify the flight state of the aircraft and provide judgment basis for operating a command system. As a travel switch for signals of the space system, the success or failure of the work of the travel switch directly determines the success or failure of the system to execute tasks. As shown in fig. 1, which is a structure diagram of a contact principle of a conventional travel switch, a mode that a cylindrical moving contact 1 and 4 contact pieces 2 which are symmetrically and uniformly distributed are in sliding contact at the same time is adopted, and the moving contact 1 and a pushing column 3 are rigidly fixed linkage bodies. When the pushing column 3 is respectively pressed by the system or reset thrust, the movable contact 1 moves and is in sliding contact with the 4 contact pieces 2, and 1 group of signals are output. The traditional travel switch can only output 1 group of signals for hanging and popping or out of the box under the same compression stroke, has the defects of few control groups and no safe backup of the signals, and can not meet the requirement of the modern system for outputting multi-channel signals after being upgraded.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the problem that the existing travel switch can only output one path of signals, the contactor capable of simultaneously outputting multiple paths of signals is provided.
The technical scheme of the invention is as follows:
the utility model provides a travel switch contactor with multichannel signal, includes static contact and movable contact, its characterized in that: the number of the movable contacts is 2N, all the movable contacts are uniformly distributed on the same outer circumference of the shaft core and are parallel to the axis, N mounting rings are sleeved on the shaft core, each mounting ring is connected with two parallel movable contacts, one end of each static contact is fixed on a wiring pin, and the other end of each static contact is in contact with the surface of each movable contact; n is a natural number.
An insulating bush is arranged between two adjacent mounting rings, and the insulating bush is of an annular structure with a circular inner side and a regular polygon outer contour.
The static contact is bent outwards and then inwards, and the free end is provided with a curved surface structure used for being contacted with the movable contact.
The wiring pins are provided with supporting pieces for supporting outward bending sections of the static contact pieces, and the wiring pins are arranged on the substrate.
An insulating sleeve is arranged outside the shaft core, the insulating bush is connected with a fixed sleeve at the end part of the shaft core, and the mounting ring and the insulating bush are sleeved on the insulating sleeve.
The insulating bush is divided into an inner insulating sleeve and an outer insulating sleeve, the inner insulating sleeve is matched with the fixed sleeve, the outer insulating sleeve is matched with the boss in the middle section of the shaft core, and the matching surface is provided with a rotation stopping key.
And a rotation stopping clamping groove is arranged on the matching surface of the mounting ring and the insulating bush.
A supporting seat is arranged between the supporting sheet and the substrate and is connected with the wiring pin.
A circle of fixed pieces are welded on the base plate, and the side surfaces of the fixed pieces are provided with rotation stopping keys which are matched with key grooves of the supporting seat
The movable contact spring has 8, constitutes octagonal column structure.
The invention has the beneficial effects that:
the arrangement form of the contact group of the contact system is changed, and the backup of the number of the contact groups is increased, so that the working reliability of the control system is improved. The utility model provides an adopt regular octagon to arrange sliding contact's contact system structure, adopts 4 groups of movable contacts of mutual insulation to constitute regular octagon contact subassembly, relies on two slip work planes in the movable contact outside and two contact piece contacts that correspond to realize the switch-on and the disconnection of control signal, and 4 way signal synchronization safety output realize high-quality operating characteristic.
Description of the drawings:
fig. 1 is a schematic diagram of a conventional structure.
Fig. 2 is a schematic view of the contact principle of the present invention.
Fig. 3 is a left side view of the contactor.
Fig. 4 is a front sectional view of the contactor.
FIG. 5 is a right side view of the contactor
Fig. 6 is an exploded view of the moving contact assembly.
Fig. 7 is a three-dimensional front view of the moving contact assembly assembled.
FIG. 8 is a top view of the moving contact system.
FIG. 9 is a front cross-sectional view of the moving contact system.
Detailed Description
Example 1: this contactor comprises quiet contact system and movable contact system, and quiet contact system includes: the fixed contact piece 4, the supporting piece 5, the welding material 6, the supporting seat 7, the base plate 8, the wiring pin 9, the fixed piece 10 and the fixed nut 11; the movable contact system includes: dabber 12, push disk 13, outer insulating sleeve 14, movable contact spring, insulating bush 16, collar, interior insulating sleeve 19 and fixed cover 20 are constituteed, and wherein the movable contact spring is equipped with 2N, 8 in this embodiment, and mutual interval 45 distributes on an octagon cylinder, and two parallel movable contact springs and collar are connected and are constituted movable contact subassembly, because the position of 4 collars is different, also has height difference with the tie point of movable contact spring, constitute 4 movable contact subassemblies respectively: movable contact 18 (# 1), movable contact 17 (# 2), movable contact 17 (# 3) and movable contact 15 (# 4).
Fig. 2 is a schematic structural diagram of a contactor according to an embodiment of the present invention. As shown in the figure, the sliding contact surfaces of the movable contact 18 (1 #), the movable contact 17 (2 #), the movable contact 17 (3 #) and the movable contact 15 (4 #) are sequentially arranged in the circumferential direction according to a step angle of 45 degrees to form a regular octagon with equal height, and are in one-to-one corresponding contact with 8 static contact pieces 4 on a static contact system; the two static contact pieces 4 with the number of 1 and the movable contact 18 form a 1# contact group, the two static contact pieces 4 with the number of 2 and the movable contact 17 form a 2# contact group, the two static contact pieces 4 with the number of 3 and the movable contact 17 form a 3# contact group, the two static contact pieces 4 with the number of 4 and the movable contact 15 form a 4# contact group, 4-path signals are synchronously switched and output but are mutually isolated and do not interfere with each other,
fig. 3-5 are front cross-sectional and left and right side views of a stationary contact system in accordance with an embodiment of the present invention. As shown in the figure, 8 wiring pins 9 are uniformly sintered and fixed on a substrate 8 to form a base assembly, a limiting cylindrical boss is designed in the middle of the substrate 8 in the axial direction to provide mounting support for a spring 24, and 4 fixing nuts 11 are pressed and riveted on the substrate 8 and are laser-reinforced; the static contact 4 and the supporting sheet 5 are spot welded and then are pressed and riveted on the wiring pin 9, and the pressing and riveting end part of the wiring pin 9 is brazed and reinforced by adopting a solder 6; the width centers of the working faces of 8 static contacts 4 form a contact circle to ensure the consistency of the sliding contact pressure of all the static contacts 4 and corresponding contacts on the movable contact component; 8U-shaped opening supporting seats 7 are arranged between the substrate 8 and the supporting sheet 5 from corresponding wiring pins 9 to support the supporting sheet 5 and improve the rigidity of the static contact 4; the middle parts of two side surfaces of the supporting seat 7 are provided with limiting grooves corresponding to limiting bosses designed on two sides of the fixing piece 10, the fixing piece 10 is matched with a key groove to stop rotating after being installed, and the fixing piece 10 is connected with the base plate 8 through welding.
Fig. 6 is an exploded view of the contact assembly of a dynamic contact system in accordance with one embodiment of the present invention. The parts from left to right in the figure are a moving contact 18, an insulating bush 16, a moving contact 17 and a moving contact 15 in sequence; the movable contact 18, the movable contact 17 and the movable contact 15 are all of a structure that two ends of a connecting ring are connected with two parallel movable contact pieces, the horizontal part is of a circular ring-shaped structure and is a conductive part, the vertical parts at two sides are sliding contact working steps, the outer side surfaces of the steps are sliding contact working surfaces, and a sliding contact pair is formed by the steps and the static contact piece 4; the inner side is a limiting action surface which is correspondingly matched and limited with the outer contour regular octagonal side surface of the insulating bush 16; the insulating bush 16 is an annular structure with a circular inner side and a regular octagonal outer outline, is processed by adopting non-metallic materials to realize the electrical insulation between adjacent contacts, and is provided with a limiting clamping groove to prevent the movable contact 17, the movable contact 15 and the movable contact 18 from rotating in the circumferential direction after being assembled. The rectangular step of the movable contact 15 is provided with a limit step which is matched with a rotation stopping groove on the outer insulating sleeve 14 to realize rotation stopping of the contact assembly.
Fig. 7 is an assembled three-dimensional front view of a contact assembly of a movable contact system according to an embodiment of the present invention. As shown in the figure, after assembly, 8 sliding contact working faces are sequentially arranged on the outer side surface of the regular octagon of the insulating bush 16 at a step angle of 45 degrees, two sliding contact working faces of the same contact are symmetrically arranged, and the heights of the 8 sliding contact working faces are equal.
Fig. 8-9 are a front cross-sectional view and a top view of an embodiment of a dynamic contact system of the present invention. The spindle 12 is shown as a sleeve structure with an inner hollow and an outer circle, and is provided with a rotation stop key for providing a mounting space for the spring 24 and supporting and positioning for the pushing disc 13; the outer contour of the outer insulating sleeve 14 is of a regular octagonal structure, the size of the outer contour is the same as that of a regular octagon formed by 8 equal sliding contact surfaces of the contact assembly, one side of the outer insulating sleeve 14, which is close to the contact assembly, is designed with symmetrically distributed rotation stopping grooves to be matched with rotation stopping keys on a movable contact 15 of the contact assembly, and the outer insulating sleeve 14 is processed by adopting a non-metallic material with self-lubricating performance, so that the guide and the friction reduction are facilitated; and sequentially installing the outer insulating sleeve 14, the contact assembly, the inner insulating sleeve 19 and the fixed sleeve 20 into the core shaft 12, respectively matching two symmetrical rotation stopping grooves of the outer insulating sleeve 14 with the movable contact 15 and a rotation stopping key of the core shaft 12 for rotation stopping, and expanding and riveting the opening part of the core shaft 12 to realize axial fixation of each part.
FIG. 9 is a three-dimensional front view of a movable contact system according to an embodiment of the present invention. As shown in the figure, by means of positioning of the rotation stopping key grooves, 8 equal-height sliding contact working faces of the regular octagon of the contact assembly and corresponding planes of the regular octagon of the outer insulating sleeve 14 form sliding switching planes respectively, and the sliding process of the static contact piece 4 is realized by switching the sliding positions between the sliding contact working faces and the surfaces of the regular octagon of the outer insulating sleeve.
Example 2: the structure of the present embodiment differs from embodiment 1 in that: n is 3, and the movable contact spring has 6, is the hexagon column arrangement, and corresponding other movable contact spring complex subassembly also is according to the hexagon arrangement.
Example 3: the structure of the present embodiment differs from embodiment 1 in that: n is 6, and the movable contact spring has 12, takes the form of dodecagon column arrangement, and corresponding other movable contact spring complex subassembly also is according to the dodecagon arrangement.
Example 4: the structure of the present embodiment differs from embodiment 1 in that: n is 8, 16 movable contact pieces are arranged in a hexagonal column shape, and corresponding components matched with other movable contact pieces are also arranged in a hexagonal shape.
Claims (9)
1. A travel switch contactor with multipath signals comprises a static contact piece (4) and a movable contact piece, and is characterized in that: the number of the movable contacts is 2N, all the movable contacts are uniformly distributed on the same outer circumference of the shaft core (12) and are parallel to the axis, N mounting rings are sleeved on the shaft core (12), each mounting ring is connected with two parallel movable contacts, each movable contact corresponds to one static contact (4), one end of each static contact (4) is fixed on a wiring pin (9), and one end of each static contact is in surface contact with the movable contact; n is a natural number; an insulating bush (16) is arranged between two adjacent mounting rings, and the insulating bush (16) is of an annular structure with a circular inner side and a regular polygon outer contour.
2. The travel switch contactor with multiple signals according to claim 1, wherein: the static contact piece (4) is bent outwards and then inwards, and the free end is provided with a curved surface structure used for being contacted with the movable contact piece.
3. The travel switch contactor with multiple signals according to claim 2, wherein: the wiring pin (9) is provided with a supporting piece (5) for supporting the outward bending section of the static contact piece (4), and the wiring pin (9) is arranged on the substrate (8).
4. The travel switch contactor with multiple signals according to claim 1, wherein: an insulating sleeve is arranged outside the shaft core (12), an insulating bush (16) is connected with a fixed sleeve (20) at the end part of the shaft core (12), and the mounting ring and the insulating bush (16) are sleeved on the insulating sleeve.
5. The travel switch contactor with multiple signals according to claim 4, wherein: the insulating sleeve is divided into an inner insulating sleeve (19) and an outer insulating sleeve (14), the inner insulating sleeve (19) is matched with the fixed sleeve (20), the outer insulating sleeve (14) is matched with a boss at the middle section of the shaft core (12), and a rotation stopping key is arranged on a matching surface.
6. The travel switch contactor with multiple signals according to claim 4, wherein: and a rotation stopping clamping groove is arranged on the matching surface of the mounting ring and the insulating bush (16).
7. The travel switch contactor with multiple signals according to claim 4, wherein: a supporting seat (7) is arranged between the supporting sheet (5) and the substrate (8) and is connected with a wiring pin (9).
8. The travel switch contactor with multiple signals according to claim 7, wherein: a circle of fixed pieces (10) are welded on the base plate (8), and the side faces of the fixed pieces (10) are provided with rotation stop keys which are matched with key grooves of the supporting seat (7).
9. The travel switch contactor having multiple signals according to any one of claims 1-8, wherein: the movable contact spring has 8, constitutes octagonal column structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101722.0A CN109119261B (en) | 2018-09-20 | 2018-09-20 | Travel switch contactor with multi-path signals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811101722.0A CN109119261B (en) | 2018-09-20 | 2018-09-20 | Travel switch contactor with multi-path signals |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109119261A CN109119261A (en) | 2019-01-01 |
| CN109119261B true CN109119261B (en) | 2020-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811101722.0A Active CN109119261B (en) | 2018-09-20 | 2018-09-20 | Travel switch contactor with multi-path signals |
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| Country | Link |
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| CN (1) | CN109119261B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115327178B (en) * | 2022-08-19 | 2024-01-05 | 广东电网有限责任公司佛山供电局 | Electrical detection system, method and wiring conversion device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963430A (en) * | 1995-08-25 | 1997-03-07 | Toshiba Corp | Switch |
| CN201576610U (en) * | 2009-11-30 | 2010-09-08 | 镇江市丹高电器有限公司 | Indoor high-voltage isolating switch |
| CN202084462U (en) * | 2011-03-18 | 2011-12-21 | 邱新杰 | Elastic contact type switch |
| CN102368452A (en) * | 2011-12-08 | 2012-03-07 | 株洲庆云轨道牵引装备有限公司 | Subway high-voltage isolation grounding switch |
| CN203552996U (en) * | 2013-10-30 | 2014-04-16 | 东风汽车公司 | Self-locking key switch with multipath signal output |
| CN204167167U (en) * | 2014-11-21 | 2015-02-18 | 桂林航天电子有限公司 | Small-sized Multi-way section formula conversion travel switch |
| CN204270921U (en) * | 2015-01-09 | 2015-04-15 | 南通昌荣机电有限公司 | A kind of travel switch |
| CN104599867A (en) * | 2015-02-02 | 2015-05-06 | 广东金晖隆开关有限公司 | Sliding contact used for high-voltage electric appliances |
| CN206962066U (en) * | 2017-06-21 | 2018-02-02 | 北京小米移动软件有限公司 | Earphone socket, electronic equipment and mobile terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101419874B (en) * | 2007-10-27 | 2011-08-10 | 贵州航天电器股份有限公司 | Sealed travel switch |
| CN207489724U (en) * | 2017-10-12 | 2018-06-12 | 武汉天运汽车电器有限公司 | A kind of automobile-used cover switch |
-
2018
- 2018-09-20 CN CN201811101722.0A patent/CN109119261B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963430A (en) * | 1995-08-25 | 1997-03-07 | Toshiba Corp | Switch |
| CN201576610U (en) * | 2009-11-30 | 2010-09-08 | 镇江市丹高电器有限公司 | Indoor high-voltage isolating switch |
| CN202084462U (en) * | 2011-03-18 | 2011-12-21 | 邱新杰 | Elastic contact type switch |
| CN102368452A (en) * | 2011-12-08 | 2012-03-07 | 株洲庆云轨道牵引装备有限公司 | Subway high-voltage isolation grounding switch |
| CN203552996U (en) * | 2013-10-30 | 2014-04-16 | 东风汽车公司 | Self-locking key switch with multipath signal output |
| CN204167167U (en) * | 2014-11-21 | 2015-02-18 | 桂林航天电子有限公司 | Small-sized Multi-way section formula conversion travel switch |
| CN204270921U (en) * | 2015-01-09 | 2015-04-15 | 南通昌荣机电有限公司 | A kind of travel switch |
| CN104599867A (en) * | 2015-02-02 | 2015-05-06 | 广东金晖隆开关有限公司 | Sliding contact used for high-voltage electric appliances |
| CN206962066U (en) * | 2017-06-21 | 2018-02-02 | 北京小米移动软件有限公司 | Earphone socket, electronic equipment and mobile terminal |
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| Publication number | Publication date |
|---|---|
| CN109119261A (en) | 2019-01-01 |
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