CN101527208B - Motor type soft start switch - Google Patents
Motor type soft start switch Download PDFInfo
- Publication number
- CN101527208B CN101527208B CN2009103016000A CN200910301600A CN101527208B CN 101527208 B CN101527208 B CN 101527208B CN 2009103016000 A CN2009103016000 A CN 2009103016000A CN 200910301600 A CN200910301600 A CN 200910301600A CN 101527208 B CN101527208 B CN 101527208B
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- switch
- soft start
- motor type
- type soft
- binding post
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Abstract
The invention discloses a motor type soft start switch, comprising a switch box and a box cover, wherein, the bottom part of the switch box is provided with a power source incoming line connecting terminal, an auxiliary power source outgoing line connecting terminal and a main power source outgoing line connecting terminal, the top part of the switch box is provided with a toggle switch and a self-return push switch, wherein, break back contacts of the toggle switch are connected with the main connecting terminal, moving contacts thereof are connected with the power source incoming line connecting terminal; break back contacts of the push switch are connected with the auxiliary power source outgoing line connecting terminal, moving contacts thereof are connected with the power source incoming line connecting terminal. As a mechanical switch is adopted, the used devices are reduced; as a result the integral structure is simple, reliability thereof is high and mass production and assembly are convenient, thus effectively reducing costs; meanwhile, the invention has good adaptability to environmental temperature, electromagnetic interference and mounting space, enjoys long service life and long-term stable working performance on electric equipment started by big current.
Description
Technical field
The present invention relates to a kind of motor type soft start switch, particularly a kind ofly be used for preventing on the power consumption equipment or reduce it producing the motor type soft start switch that moment crosses great start-up current.
Background technology
On power consumption equipment, use the common power switch to cause the electrical network tripping operation easily such as big current starts such as electric welding machines, the contact sintering that perhaps causes switch easily together, damage equipment even initiation security incident, for this reason, people have designed soft start switch and have addressed the above problem.The soft start switch that generally uses adopts electronic circuit control at present, its principle as shown in Figure 1, series resistance or on power line such as the temperature-sensitive element of PTC class, by the relevant detection delay circuit, the adhesive of control relay contact and release, the function of realization limiting starting current.Because above-mentioned switch need use more electronic devices and components, its complex circuit, global reliability decreases, and, the complex procedures of producing this switch, cost is higher.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of simple in structure, reliability is high and motor type soft start switch cheaply.
The present invention solves the technical scheme that its problem adopts:
A kind of motor type soft start switch, comprise switch enclosure and lid, wherein, the switch enclosure bottom is provided with electric power incoming line binding post, accessory power supply outlet binding post and main power source outlet binding post, the switch enclosure top is provided with toggle switch and resets certainly and presses down switch, wherein, the fixed contact of toggle switch links to each other with the main electrical scheme terminal, and its moving contact links to each other with the electric power incoming line binding post; The fixed contact that compresses switch links to each other with accessory power supply outlet binding post down, and its moving contact links to each other with the electric power incoming line binding post.
As a further improvement on the present invention, the locking mechanism of position compresses switch under described toggle switch and the close mutually side that compresses switch down are provided with and are used for keeping when pressed status.
The invention has the beneficial effects as follows: owing to adopted mechanical switch, employed number of devices is few, thereby overall structure is simple, reliability is high, be convenient to produce in enormous quantities and assembling, can effectively reduce cost, simultaneously, adaptability to ambient temperature, electromagnetic interference and installing space is better, life-span is long, can be operated in steadily in the long term on the power consumption equipment of big current start, is particularly useful for present various electric welding equipment.In addition, described locking mechanism is restricted to the design's soft start switch must press down earlier and compresses switch and keep could operating toggle switch after the pressed status, can effectively prevent misoperation, avoids damage equipment and switch itself.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 is the circuit theory diagrams of existing electronic type soft start switch;
Fig. 2 is a perspective view of the present invention;
Fig. 3 is a cutaway view of the present invention;
Fig. 4 is the structural representation of the present invention under closure state.
Embodiment
With reference to Fig. 2～Fig. 4, a kind of motor type soft start switch, comprise switch enclosure 1 and lid 4, wherein, switch enclosure 1 bottom is provided with electric power incoming line binding post 6, accessory power supply outlet binding post 5 and main power source outlet binding post 7, and switch enclosure 1 top is provided with toggle switch 2 and resets certainly and presses down switch 3, wherein, the fixed contact 25 of toggle switch 2 links to each other with main electrical scheme terminal 7, and its moving contact 24 links to each other with electric power incoming line binding post 6; 3 the fixed contact 36 of compressing switch down links to each other with accessory power supply outlet binding post 5, and its moving contact 35 links to each other with electric power incoming line binding post 6.Simultaneously, the locking mechanism of 3 positions compresses switch under described toggle switch 2 and the 3 close mutually sides that compress switch down are provided with and are used for keeping when pressed status, wherein, described locking mechanism comprises the latch 27 that is positioned on the toggle switch 2 and is positioned at the bayonet socket 381 of 3 boss, 38 upper surfaces that compress switch down that the cross section of the two is triangular in shape.Can be connected resistance or PTC class temperature-sensitive element between described accessory power supply outlet binding post 5 and the main power source outlet binding post 7 and form auxiliary starting circuit, when operating the design's soft start switch, press down earlier and compress switch after 3, moving contact 35 contacts with fixed contact 36, auxiliary starting circuit is communicated with, and forms less starting current in the loop; When under keeping, compressing switch 3 pressed status, pull toggle switch 2 to the left and latch 27 is snapped in the bayonet socket 381, under compress switch and 3 promptly be locked in pressed status, at this moment, moving seesaw-type moving contact 24 contacts with corresponding fixed contact 25, main circuit is connected, and start-up course is finished, and equipment enters normal operating conditions.Described locking mechanism is restricted to the design's soft start switch must press down earlier and compresses switch 3 and keep could operating toggle switch 2 after the pressed status, can effectively prevent misoperation, avoids damage equipment and switch itself.With the shaped design of latch 27 and bayonet socket 381 is that leg-of-mutton purpose is, when the needs cut-off switch, directly pull toggle switch 2 and just can disconnect two groups of contacts of main auxiliary simultaneously, 3 pull toggle switch 2 again and needn't press down earlier to compress switch, thus more convenient when using.Certainly, the shape of described latch 27 and bayonet socket 381 also can be the U-shaped, quadrangle or other shapes that tilt.
As preferred version of the present invention, described toggle switch 2 comprise with switch enclosure 1 through rotating shaft 21 hinged stir handle 22, stir handle 22 lower ends and be connected with spring 23, the other end of spring 23 links to each other with moving seesaw-type moving contact 24 on being hinged on electric power incoming line binding post 6, wherein, described spring 23 1 ends are positioned at the counterbore 26 of toggle switch 2 lower surfaces, and the other end is socketed on the column 241 of moving seesaw-type moving contact 24 upper surfaces.The thrust of utilizing the deformation of spring to produce has the characteristics of sudden change, the closing of contact and when opening speed fast, thereby reduce contact electric arc, avoid that contact sintering influence is normal to be disconnected, overall structure is simple and reliable.
In addition, described compressing switch down 3 comprises the outer depression bar 34 that is exposed at switch enclosure 1 top of part, and depression bar 34 lower ends are connected with the moving contact 35 that can move up and down with depression bar; Depression bar 34 is positioned at switch enclosure 1 and is provided with boss 38 with the side near toggle switch 2, be connected by spring 37 elasticity between boss 38 lower ends and the switch enclosure 1, wherein, described depression bar 34 inside are provided with counterbore 342, column moving contact 35 is installed in the counterbore 342, its upper end socket spring 33, the other end of spring 33 links to each other with limited screw 32, and the top of limited screw 32 is provided with depression bar loam cake 31.Spring 33 can be regulated the pressure between moving contact and the fixed contact automatically, prevents loose contact, and depression bar loam cake 31 is detachable, and the convenient limited screw 32 of regulating is to change the length of spring 33, and the depression bar contact also can reliably contact when guaranteeing long-term the use.
Can install comparatively easily and manage when using a plurality of switch at the same time, quick-assembling hole 41 when described lid 4 sides are provided with and are used for a plurality of switch combinations and use, in addition, described upper end of stirring handle 22 and depression bar 34 is equipped with the through hole 221,341 that is used to install universal driving shaft, realize the function of a plurality of switch combination interlocks, simple and reliable for structure.
Certainly, the invention is not limited to above-mentioned execution mode, and for example toggle switch 2 can adopt lever mechanism to realize the contact break-make, as long as it reaches technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.
Claims (9)
1. motor type soft start switch, comprise switch enclosure (1) and lid (4), it is characterized in that: switch enclosure (1) bottom is provided with electric power incoming line binding post (6), accessory power supply outlet binding post (5) and main power source outlet binding post (7), switch enclosure (1) top is provided with toggle switch (2) and resets certainly and presses down switch (3), wherein, the fixed contact (25) of toggle switch (2) links to each other with main electrical scheme terminal (7), and its moving contact (24) links to each other with electric power incoming line binding post (6); The fixed contact (36) of (3) of compressing switch down links to each other with accessory power supply outlet binding post (5), and its moving contact (35) links to each other with electric power incoming line binding post (6).
2. motor type soft start switch according to claim 1 is characterized in that: the locking mechanism of (3) position that compresses switch under the described toggle switch (2) and (3) the close mutually side that compresses switch down are provided with and are used for keeping when pressed status.
3. motor type soft start switch according to claim 2, it is characterized in that: described locking mechanism comprises the latch (27) that is positioned on the toggle switch (2) and is positioned at the bayonet socket (381) that (3) boss (38) upper surface that compresses switch down matches that the cross section of the two is triangular in shape.
4. motor type soft start switch according to claim 1, it is characterized in that: described toggle switch (2) comprise with switch enclosure (1) through rotating shaft (21) hinged stir handle (22), stir handle (22) lower end and be connected with spring (23), the other end of spring (23) links to each other with moving seesaw-type moving contact (24) on being hinged on electric power incoming line binding post (6).
5. motor type soft start switch according to claim 4 is characterized in that: described spring (23) one ends are positioned at the counterbore (26) of toggle switch (2) lower surface, and the other end is socketed on the column (241) of moving seesaw-type moving contact (24) upper surface.
6. motor type soft start switch according to claim 1, it is characterized in that: described compress switch down (3) comprise the outer depression bar (34) that is exposed at switch enclosure (1) top of part, and depression bar (34) lower end is connected with the moving contact (35) that can move up and down with depression bar; Depression bar (34) is positioned at switch enclosure (1) being provided with boss (38) near a side of toggle switch, is connected by spring (37) elasticity between boss (38) lower end and the switch enclosure (1).
7. motor type soft start switch according to claim 6, it is characterized in that: described depression bar (34) inside is provided with counterbore (342), column moving contact (35) is installed in the counterbore (342), its upper end socket spring (33), the other end of spring (33) links to each other with limited screw (32), and the top of limited screw (32) is provided with depression bar loam cake (31).
8. motor type soft start switch according to claim 1 is characterized in that: the quick-assembling hole (41) when described lid (4) side is provided with and is used for a plurality of switch combinations and uses.
9. according to claim 1 or 8 described motor type soft start switch, it is characterized in that: described upper end of stirring handle (22) and depression bar (34) is equipped with the through hole (221,341) that is used to install universal driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103016000A CN101527208B (en) | 2009-04-16 | 2009-04-16 | Motor type soft start switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009103016000A CN101527208B (en) | 2009-04-16 | 2009-04-16 | Motor type soft start switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101527208A CN101527208A (en) | 2009-09-09 |
| CN101527208B true CN101527208B (en) | 2011-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009103016000A Expired - Fee Related CN101527208B (en) | 2009-04-16 | 2009-04-16 | Motor type soft start switch |
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| Country | Link |
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| CN (1) | CN101527208B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648323B (en) * | 2009-09-14 | 2012-02-29 | 江门市保值久机电有限公司 | Pneumoelectric dual control device |
| CN113782377B (en) * | 2021-09-03 | 2023-12-26 | 浙江奔一新能源有限公司 | Rotary switch capable of being rapidly cut off |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621174A (en) * | 1984-04-24 | 1986-11-04 | Alps Electric Co., Ltd. | Composite switch |
| CN2392648Y (en) * | 1999-10-09 | 2000-08-23 | 苏州太湖企业有限公司 | Soft-starting switch for electric tool |
| CN2904474Y (en) * | 2006-05-09 | 2007-05-23 | 武汉理工大学 | Soft starting device for electric machine |
| EP1901891A1 (en) * | 2005-07-11 | 2008-03-26 | BLACK & DECKER INC. | Soft start for electric motor of a power tool |
| CN201392748Y (en) * | 2009-04-16 | 2010-01-27 | 江门市保值久机电有限公司 | Motor-type soft start switch |
-
2009
- 2009-04-16 CN CN2009103016000A patent/CN101527208B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4621174A (en) * | 1984-04-24 | 1986-11-04 | Alps Electric Co., Ltd. | Composite switch |
| CN2392648Y (en) * | 1999-10-09 | 2000-08-23 | 苏州太湖企业有限公司 | Soft-starting switch for electric tool |
| EP1901891A1 (en) * | 2005-07-11 | 2008-03-26 | BLACK & DECKER INC. | Soft start for electric motor of a power tool |
| CN2904474Y (en) * | 2006-05-09 | 2007-05-23 | 武汉理工大学 | Soft starting device for electric machine |
| CN201392748Y (en) * | 2009-04-16 | 2010-01-27 | 江门市保值久机电有限公司 | Motor-type soft start switch |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2003-159669A 2003.06.03 |
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| Publication number | Publication date |
|---|---|
| CN101527208A (en) | 2009-09-09 |
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