CN1299308C - Indicator of automatic commutation switch - Google Patents
Indicator of automatic commutation switch Download PDFInfo
- Publication number
- CN1299308C CN1299308C CNB2004100415701A CN200410041570A CN1299308C CN 1299308 C CN1299308 C CN 1299308C CN B2004100415701 A CNB2004100415701 A CN B2004100415701A CN 200410041570 A CN200410041570 A CN 200410041570A CN 1299308 C CN1299308 C CN 1299308C
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- Prior art keywords
- present
- automatic change
- main body
- member main
- piece body
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000006378 damage Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 4
- 230000000694 effects Effects 0.000 description 3
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The present invention relates to an indicating device for automatic change-over switches, which belongs to indicating components on transmission mechanisms of electrical switches. The present invention comprises an indicating member main body and an indicating mark, wherein the base of the indicating member main body is provided with an installation hole; the indicating mark is arranged at the top of the indicating member main body; a cambered hole is bored in the base part of the indicating member main body and contains the front end of a pin shaft of which the tail end is fixedly arranged on cams installed on main shafts of automatic change-over switches; the installation hole and cams are matched in a moving mode. The present invention has the advantages that the present invention can reduce the rotary oscillation angle and the area of the indicating member main body and force moment generated in the instant swinging process of the indicating member main body, and thereby, the present invention effectively reduces the size of shell bodies of switch boxes of the automatic change-over switches; the moving matching of the installation hole and cams can avoid the damage of the installation hole, and thereby, the present invention can lengthen the service life of automatic change-over switches; in addition, when the present invention is additionally provided with a spring, the present invention can absorb the inertia force moment generated at the time of the instant swinging of the indicating member main body in an auxiliary mode for causing the swinging of the indicating member main body to be stable.
Description
Technical field
The present invention relates to a kind of indicating device of automatic change-over, be installed on the main shaft of change over switch, come display power supply to be in still stand-by state commonly used, belong to the indicating device on the electrical switch transmission mechanism by the window on the change over switch housing.
Background technology
Many industries are used the change over switch Switching power, for example, switch to stand-by power supply from power supply commonly used, can finish automatically in the several seconds.The loading unit at key, for example hospital, airport radar tower, high capacity data center all rely on automatic change-over that continuous power supply is provided.Normally, the main shaft of change over switch transmission mechanism is provided with a plurality of moving contacts, cam and power source indicating device, in use, produce electric arc for fear of moving contact in combination, when separating with fixed contact, require the main shaft velocity of rotation to want fast, make dynamic and static contact in conjunction with, be separated in moment and finish.And original indicating device structure as shown in Figure 2, it comprises indication piece body 1 and is located at be used for the Warning Mark 2 that display power supply be in commonly used/stand-by state of indication piece body 1 top sides along both sides, the cross sectional shape of indication piece body 1 is fan-shaped, at cross sectional shape is that the center of fan-shaped indication piece body 1 offers installing hole 3, installing hole 3 is a polygonal hole, the cross sectional shape of the main shaft 4 of its hole shape and transmission mechanism matches, when mounted, indication piece body 1 is fixed by installing hole 3 end sockets direct and main shaft 4.When power supply switched, along with the instantaneous rotation of main shaft 4, the moving contact, cam 7 and the power supply indication piece that drive on it were made instantaneous operation together, made Warning Mark 2 correct demonstration the in the indication window 6 of switch enclosure 5 on the indication piece body 1.In above-mentioned course of action, owing to switch to stand-by power supply or switch to power supply commonly used from stand-by power supply from power supply commonly used, main shaft 4 is made 90 ° of reciprocal angles of rotating nearly, force the also instantaneous thereupon rotary oscillation of indication piece body 1 on it to reach 90 ° nearly, for indicating device can correctly be indicated power supply status, the corresponding increase of sectorial area of the indication piece body 1 of indicating device, it is also big to take up room in rotary course, causes the corresponding increase of housing volume of the switch enclosure 5 of automatic change-over; Simultaneously because the increase of indication piece body 1 volume and the increase of body weight, cause indicating device to produce great moment of inertia when swinging fast instantaneous, make the main shaft 4 and the installing hole 3 of indication piece body 1 produce twisting, wearing and tearing at socket place, make installing hole 3 become circular port at last and can't be fixing with main shaft 4 by polygonal hole, cause power source indicating device correctly display power supply Warning Mark and influence useful life.
Summary of the invention
At the defective of above-mentioned technology, the objective of the invention is to provide a kind of with the area that reduces the indication piece body, reduce the angle of indication piece body rotary oscillation and the indicating device of automatic change-over that the moment that produces reaches the housing volume miniaturization of the switch enclosure that makes automatic change-over and prolongs the useful life of the drive disk assembly that rotates in the rotary oscillation process.
The objective of the invention is to reach like this, a kind of indicating device of automatic change-over, it comprises that base portion has the indication piece body and the Warning Mark that is located at the indication piece bodies top of installing hole, characteristics are: the base portion at described indication piece body also offers arcuate socket, in the front loaded arcuate socket with bearing pin, the tail end of bearing pin is installed on the cam on the main shaft that is installed on automatic change-over; Described installing hole cooperates with cam is movable.
Indication piece body of the present invention inboard also has additional a spring hanging feet, an end of fixing spring on the spring hanging feet, and the other end of spring is fixed on the switch base of automatic change-over.
Arcuate socket of the present invention is a through hole.
Arcuate socket of the present invention is a blind hole.
The present invention is owing to also offer arcuate socket on the indication piece body, stretch into the bearing pin that extends on the cam of automatic change-over in the hole, what the rotation of main shaft at first drove when power supply switches is cam, again by the slippage in arcuate socket of cam driven bearing pin, when bearing pin is done the moment swing together from just driving the indication piece body after an end of arcuate socket slides onto other end end, thereby can reduce the angle of indication piece body rotary oscillation, reduce the area of indication piece body, reduce the moment that the indication piece body produces in the moment swing process, thereby reduced the volume of housing of the switch enclosure of automatic change-over effectively; Installing hole cooperates with the activity of cam can avoid installing hole to cause damage, thereby prolongs the useful life of automatic change-over; In addition, set up spring after, can assist to absorb the moment of inertia that produces when the indication piece body swing in moment, make its swing steady.
Description of drawings
Fig. 1 is installed on an example structure figure on the automatic change-over for the present invention.
Fig. 2 is the structural representation of the indicating device of the automatic change-over in the prior art that the present invention exemplified.
Embodiment
Please refer to Fig. 1, indication piece body 1 of the present invention generally can adopt plastic moulding to form, its end face forms parabola as much as possible, marks respectively if claim mark that the Warning Mark 2 of power supply commonly used, this Word message of stand-by power supply is arranged in paraboloidal and arranged on left and right sides.Certainly, Warning Mark 2 can be Chinese, Chinese pinyin, also can be English or other foreign language or the like, can also adopt pad pasting form or the label form will be with the information illustration of using power supply, stand-by power supply always in described paraboloidal top and arranged on left and right sides.What the base portion of indication piece body 1 formed in fact is a mount pad, installing hole 3 is positioned at this position, and to offer both can be through hole at the position above near this installing hole 3, also can be the arcuate socket 11 of blind hole, as can be seen from the figure, the shape of arcuate socket 11 is just as banana-shaped or title crescent.One end of bearing pin 14 is in the front loaded arcuate socket 11, and the other end of bearing pin 14 is arranged on the side of cam 7.Shown in figure, cam 7 is to be fixed on the main shaft 4 of transmission mechanism of automatic change-over by its central shaft hole 10, with the central shaft hole 10 of the cam 7 of bearing pin 14 homonymies around be equipped with centre bore seat 9, its outer wall is cylindrical, match with installing hole 3, specifically be by installing hole 3 being nested with on the centre bore seat 9 movably, indication piece body 1 being arranged on the cam 7 with realization.Spring hanging feet 15 of the present invention is located at the back of indication piece body 1, and with indication piece body 1 integrally moulded forming.When the indicating device of automatic change-over of the present invention is installed, the bearing pin 14 that at first will extend on cam 7 inserts in the arcuate socket 11 of indication piece body 1, installing hole 3 with the kink form be installed on the centre bore seat 9 of cam 7, again by nut 13 with the cooperating of spiral shell head 8 of main shaft 4 ends with indication piece body 1 locking or claim spacing on cam 7, end hook with spring 18 hangs on the spring hanging feet 15 at last, and the other end of spring 18 then is hooked on the switch base 12 of automatic change-over and gets final product.
The applicant need to prove that the cam 7 that illustrated among the figure as the automatic change-over of prior art, main shaft 4 and contact frame 19 organically constitute together by assembling form, if but the material of cam 7 is chosen as metal material, and then with cam 7 and main shaft 4 in mold mode or one-body molded with other similar fashion such as metal processing etc., the forming mode of bearing pin 14 on cam 7 is as the same, thereby constitutes strap cam 7 and have the main shaft 4 of bearing pin 14 concurrently.So, the aforementioned structure situation occurs, not will be understood that it is the category that technical solution of the present invention indication piece body 1 in one's power cooperatively interacts by installing hole 3 and cam 7 that dissociated in the same old way even the applicant thinks.Certainly, if the material of cam 7 is chosen as plastics, and with itself and main shaft 4 and even the 19 integrally moulded moulding of contact frame, then reason is the same, still is not enough to think dissociated the matching relationship of the related indication piece body 1 of technical solution of the present invention and cam 7.Because, even after cam 7, main shaft 4, contact frame 19 formation one, painstakingly or have a mind to conceal parts address to cam 7, and generally be called main shaft 4 or generally be called contact frame 19, but there is one to be used for and indication piece body 1 existence of the movable parts that cooperate mutually as long as they possess in fact, just will be understood that not break away from the scope of the invention.
In addition, the base portion of indication piece body 1 is narrow to contract though show in Fig. 1, the top is then expanded and is established, constituted and be similar to trapezoidal shape, constitute fan shape or rather, yet this shape is not unique yet, for example whole indication piece body 1 is formed rectangular-shapedly also to be fine fully, and be first-selected with the rectangle in the rectangle.
The indicating device of automatic change-over of the present invention is to come work like this: at first, suppose to have the main shaft 4 dos rotation counterclockwise of power supply moving contact, at this moment the cam 7 that is fixed on the main shaft 4 also rotates thereupon, force the bearing pin 14 of cam 7 one sides in arcuate socket 11, to rotate, when bearing pin 14 is moved to left end and is touched the left end end by the right-hand member of arcuate socket 11, can promote the rotary oscillation that indication piece body 1 is done moment left, the Warning Mark 2 of " power supply commonly used " on right side can correctly be presented in the indication window 6 of switch enclosure 5.In this process,, therefore make the amplitude of indication piece body 1 in actual rotary oscillation process very little because bearing pin 14 has digested the arc length scope of arcuate socket 11 on indication piece body 1.And when by power source conversion commonly used during to stand-by power supply, main shaft 4 is done the clockwise direction rotation, cam 7 is clockwise direction rotation thereupon also, this moment cam 7 one sides bearing pin 14 at the left end of arcuate socket 11 end movement to the right, when touching the right-hand member end, can promote the rotary oscillation that indication piece body 1 is done moment to the right, the Warning Mark 2 of " stand-by power supply " in left side correctly is presented in the indication window 6 of switch enclosure 5.In like manner, because bearing pin 14 has digested the radian scope of arcuate socket 11 on indication piece body 1, therefore make the amplitude of indication piece body 1 in actual rotary oscillation process equally very little, the reason place that technical solution of the present invention that Here it is can littleization indication piece body 1.And, weight saving little along with the volume of indication piece body 1, the moment of inertia that indication piece body 1 produces when doing swing fast in moment diminishes.
The present invention since on indication piece body 1 also addition spring hanging feet 15; in the power source conversion process; effect by spring 18; the moment of inertia of generation in the time of on the one hand can absorbing indication piece body 1 with helping out and swing in moment; the drive disk assembly that protection is rotated exempts from destruction; on the other hand, can and then guarantee the correct demonstration of Warning Mark 2 at indication window 6.In addition, the effect of mentioned cam 7 is in the specific descriptions of technical solution of the present invention: be used to install indication piece body 1 on the one hand; On the other hand, when selecting power supply, when main shaft 4 rotations drive its rotation, touch haptic element 17 by its plush copper, with the closure or openness of control circuit corresponding to its control switch 16.
Claims (4)
1, a kind of indicating device of automatic change-over, it comprises that base portion has the indication piece body (1) of installing hole (3) and is located at the Warning Mark (2) at indication piece body (1) top, it is characterized in that also offering arcuate socket (11) at the base portion of described indication piece body (1), in the front loaded arcuate socket (11) with bearing pin (14), the tail end of bearing pin (14) is installed on the cam (7) on the main shaft (4) that is installed on automatic change-over; Described installing hole (3) cooperates with cam (7) is movable.
2, the indicating device of automatic change-over according to claim 1, it is characterized in that indication piece body (1) inboard also has additional a spring hanging feet (15), spring hanging feet (15) is gone up an end of fixing spring (18), and the other end of spring (18) is fixed on the switch base (12) of automatic change-over.
3, the indicating device of automatic change-over according to claim 1 is characterized in that described arcuate socket (11) is a through hole.
4, the indicating device of automatic change-over according to claim 1 is characterized in that described arcuate socket (11) is blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100415701A CN1299308C (en) | 2004-07-30 | 2004-07-30 | Indicator of automatic commutation switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100415701A CN1299308C (en) | 2004-07-30 | 2004-07-30 | Indicator of automatic commutation switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598986A CN1598986A (en) | 2005-03-23 |
| CN1299308C true CN1299308C (en) | 2007-02-07 |
Family
ID=34665136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100415701A Expired - Lifetime CN1299308C (en) | 2004-07-30 | 2004-07-30 | Indicator of automatic commutation switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1299308C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE529735C2 (en) * | 2006-03-28 | 2007-11-06 | Abb Technology Ltd | Method and apparatus for transmitting rotational motion |
| CN102013349B (en) * | 2010-12-17 | 2013-07-03 | 常熟开关制造有限公司(原常熟开关厂） | Electric appliance working status inductor of automatic three-position switch |
| CN103258664B (en) * | 2013-04-19 | 2015-05-13 | 上海亿盟电气自动化技术有限公司 | Automatic change-over switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5022709A (en) * | 1973-06-18 | 1975-03-11 | ||
| CN1253366A (en) * | 1998-10-30 | 2000-05-17 | 施耐德电器工业公司 | Switch set of machinery with three position visible device |
| CN1485866A (en) * | 2002-09-23 | 2004-03-31 | 西门子公司 | Electrical switch device with position indication |
-
2004
- 2004-07-30 CN CNB2004100415701A patent/CN1299308C/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5022709A (en) * | 1973-06-18 | 1975-03-11 | ||
| CN1253366A (en) * | 1998-10-30 | 2000-05-17 | 施耐德电器工业公司 | Switch set of machinery with three position visible device |
| CN1485866A (en) * | 2002-09-23 | 2004-03-31 | 西门子公司 | Electrical switch device with position indication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1598986A (en) | 2005-03-23 |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |