CN2550895Y - Viewable closeable state indicator of breaker operation mechanism - Google Patents

Viewable closeable state indicator of breaker operation mechanism Download PDF

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Publication number
CN2550895Y
CN2550895Y CN 02262594 CN02262594U CN2550895Y CN 2550895 Y CN2550895 Y CN 2550895Y CN 02262594 CN02262594 CN 02262594 CN 02262594 U CN02262594 U CN 02262594U CN 2550895 Y CN2550895 Y CN 2550895Y
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CN
China
Prior art keywords
key
arm
energy storage
circuit breaker
cylindrical sector
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Expired - Lifetime
Application number
CN 02262594
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Chinese (zh)
Inventor
管瑞良
周敏琛
陈晓锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changshu Switchgear Manufacturing Co Ltd
Original Assignee
CHANGSHU SWITCH FACTORY
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Priority to CN 02262594 priority Critical patent/CN2550895Y/en
Application granted granted Critical
Publication of CN2550895Y publication Critical patent/CN2550895Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model refers to a viewable closeable state indicator of a breaker operation mechanism, which is installed on a fixed shaft of an energy storage/release indicating key 15. The utility model comprises an OK indicating key 29, a slide key arm 33, a lock catch arm 36, a rotating shaft arm 30 and a spring hook 32, wherein the OK indicating key 29 is provided with a cylindrical sector 28 and can be matched with a cylindrical sector 16 of the indicating key 15. The slide key arm 33 is provided with a contact foot 34 and a signal output foot 35, wherein the contact foot 34 is matched with the surface 37 of a slide key 39, and the signal output foot 35 extends out of a lateral plate 1 for connecting with a microswitch. The lock catch arm 36 is matched with a lock catch board 3 of a close switch lock catch 2, the rotating shaft arm 30 can be matched with a cam 42 of a rotating shaft 26, and the spring hook 32 makes the indicator deflected clockwise through a spring 6. With convenient installation, assembly and changing, the utility model provides compact and visible mechanical information of the closeable state of a breaker to an operator at the window of a control panel by the cylindrical sector 28 of the OK indicating key 29.

Description

But the visual closure state indicating device of circuit breaker operation mechanism
But the utility model provides a kind of visual closure state indicating device, particularly provides a kind of and sets up on the operating mechanism of circuit breaker, but shows by form whether circuit breaker is in the mechanical information of closure state.
Known, circuit breaker comprises a pair of contact at least, and wherein at least one is movable, is called moving contact, and another is a fixed contact, both desirable make position and open positions.This circuit breaker also has an operating mechanism, and operating mechanism mainly is made up of energy storage device and free handle, and wherein energy storage device comprises a switching-in spring, and it can move to the energy state of releasing by the energy storage state; One releases the energy snap close, and it can be at energy storage state locking switching-in spring, and switching-in spring combines with the moving contact of circuit breaker, makes switching-in spring moving contact can be moved to its make position when releasing energy; One drive unit, for example one handle driving one is used for the ratchet and pawl arrangement of mobile switching-in spring to its energy storage state.Free handle comprises a tripping spring and a separating brake snap close, the separating brake snap close can be locked in tripping spring stretching energy storage state, tripping spring combines with moving contact by the operating mechanism rotating shaft, make tripping spring when releasing energy, moving contact can be moved to its open position, and when moving contact moved to its make position, then tripping spring was in the energy storage state.Above-mentioned such circuit-breaker can be in different states, and following several state is arranged specifically: not energy storage closure state, energy storage closure state, not energy storage off-state and energy storage off-state.In energy storage and not energy storage off-state, the separating brake snap close can be in free position and non-free position, and free position is the elastic reset state of separating brake snap close.But could be closed when in fact, circuit breaker must satisfy following three conditions: 1, the essential energy storage of operating mechanism; 2, circuit breaker must be in open position; 3, the separating brake snap close must be in free position.But these three conditions are the circuit breaker closure state when all satisfying.
Operating mechanism its built-in function such as Fig. 1 to Fig. 3 of existing circuit breaker: the operating mechanism 10 of circuit breaker 12 comprises energy storage device, it has at least one spring 14, this spring cooperates with a lever 16, lever 16 can rotate around a fixed axis 18, it comprises a roller 20, with one be installed in the energy storage cam 22 of axle on 24 and conflict, the auxiliary cam 26 of axle 24 supportings one expression circuit breaker 12 states, itself and not end 28 conflicts of the indication key 30 that can rotate around a fixed axis 32.This indication key 30 comprises a cylindrical sector wall 34, can see it by the window 36 on the control panel 38 of operating mechanism front.These indication key 30 desirable two positions: one as shown in Figure 1, the energy storage state of expression operating mechanism; Another are shown in Fig. 2 and 3, and expression is released can state.At the energy storage state of operating mechanism, promptly be compressed to the most in short-term when spring 14, as Fig. 1, indication key 30 do not hold 28 recesses 40 that fall into auxiliary cam 26, the energy storage that indication key 30 turns on it marks in the present window 36.Release can state the time when operating mechanism is in, do not hold 28 to conflict, make releasing of cylindrical sector wall 34 can mark in the present window 36 with the periphery 42 of cam 26.Indication key 30 also comprises an arm 44, acts on the slide key 40, and circuit breaker is in releases slide key 46 can state the time is pushed to figure by arm 44 left side.Circuit breaker has a break-make indication key 48 in addition, in Fig. 3, can see, it is installed on the axle 50, axle 50 is the extension of the fixed axis 32 of indication key 30, this indication key 48 is biased to an angle position when Fig. 1 and Fig. 2 state, not shown, at this moment by the window 52 on the control panel 38, can see that circuit breaker is in the mark of off-state.Indication key 48 comprises that also one does not hold 54, when rotating shaft 58 reaches make position, as Fig. 3, do not hold 54 with rotating shaft 58 on cam 56 conflict, thereby indication key 48 is rotated around axle 50, show that by window 52 circuit breakers are in the mark of closure state.In this position, the arm 60 on the indication key 48 is conflicted with slide key 46 again, and slide key 46 is pushed to the left side of figure.The operating mechanism of circuit breaker also comprises a separating brake snap close 64, and it can get a free position, as shown in Figure 3, can prevent that rotating shaft 58 from moving to open position from make position this moment; Can also get a non-free position, this moment, it allowed above-mentioned moving.Separating brake snap close 64 has an arm 66 that acts on the slide key 46, and when the separating brake snap close was in non-free position, this arm was pushed slide key 46 in the left side of Fig. 2.Slide key 46 can be returned to the right side of figure by spring action, it just can reach Fig. 1 position when three conditions of circuit breaker closure state all satisfy but still have only.In this position and only can be in this position, close push button 68 and release just to form dynamically between can snap close 70 and connect be released energy snap close 70 and is used to discharge energy storage cam 22.But thereby make this device be in non-closure state, any close command of button 68 that comprises all can not be worked.But the shortcoming of this device is not contain the indicating device that shows the circuit breaker closure state, the pure mechanical information indication key of can the person of being operated seeing, but indicate the closure state of circuit breaker by its position or state.Chinese patent application number is 99123200.3, a kind of " switching device that comprises the mechanical visualization device with three positions " disclosed, a kind of indicating device 30 that has three positions that comprises is disclosed in this device, can the position make position and energy storage and can not make position but promptly release, but in fact this indicating device 30 has comprised the closure state indication key, but it be with energy storage/release can the two structure of indication key be one, the defective of its existence is: 1. indicating device 30 structures are comparatively complicated, are difficult for the processing that is shaped; 2. not having independently, but window offers the operator with succinct closure state indication
The purpose of this utility model is that a kind of installation will be provided.Combination, change convenient, but but provide the succinct visual closure state indicating device of the circuit breaker operation mechanism of circuit breaker closure state mechanical information intuitively for the operator.
The purpose of this utility model is achieved like this, but a kind of visual closure state indicating device of circuit breaker operation mechanism, by axle bed 31 be installed in rotation on energy storage/release can the fixed axis of indication key 15 on, it comprises an OK indication key 29, tool cylindrical sector face 28, can with energy storage/release can indication key 15 cylindrical sector face 16 cooperate; One slide key arm 33, tool haptic element 34, signal output pin 35, haptic element 34 can cooperate with the face 37 of slide key 39, and signal output pin 35 stretches out outside the side plate 1, is used to connect sensitive switch; One lock catch arm 36 can cooperate with the locking board 3 of separating brake snap close 2; One rotating shaft arm 30 can cooperate with the cam 42 of rotating shaft 26; One carbine 32 is setovered indicating device clockwise by spring 6.
But the utility model since the energy storage of circuit breaker operation mechanism/release can indication key 15 coaxial on set up a visual closure state indicating device, but and if only if when satisfying three conditions of circuit breaker closure state simultaneously, this indicating device could manifest in the window of control panel by the OK mark on its cylindrical sector face 28, otherwise, as long as there is a condition not satisfy, then the OK mark just can not manifest in the window of control panel, thereby can avoid misoperation, in case the damage of operating mechanism; And, this indicating device can also be directly in original operating mechanism with energy storage/release and can indication key 15 carry out assembling combination, thereby also have replacing, easy to maintenance, cost-effective advantage.
Below in conjunction with accompanying drawing the utility model is further described below.
But Fig. 1 is in the schematic diagram of closure state for the circuit breaker of original technology.
Fig. 2 is in the schematic diagram of disconnection, table energy storage state for the circuit breaker of original technology.
Fig. 3 is in closure, the schematic diagram of energy storage state not for the circuit breaker of original technology.
Fig. 4 is a user mode reference diagram of the present utility model.
Indicating device of the present utility model is installed in rotation on the axle 18 by the axle bed on it 31, and axle 18 be the extension of fixed axis 17, and fixed axis 17 is installed on the side plate 1 of operating mechanism, and energy storage/release energy indication key 15 is installed on fixed axis 17.Indication key 15 tools one carbine 13 is connected with an end of spring 5 on the carbine 13, the other end of spring 5 is connected with fixed axis 4, realizes indication key 15 is the clockwise direction biasing by spring 5; Indication key 15 is also showed a visible cylindrical sector face 16 at the window of circuit breaker control panel, and sign has energy storage, releases two kinds of positions of energy respectively on cylindrical sector face 16, represents the two states of operating mechanism respectively; One end of indication key 15 is tool one fingertip 20 also, be positioned at the recess 21 of auxiliary cam 25 when fingertip 20, " energy storage " printed words occur in the window this moment, at this moment represent that operating mechanism is in the energy storage state, otherwise, when fingertip 20 contacts with the periphery 23 of auxiliary cam 25, " releasing energy " printed words can appear in window, represent that at this moment operating mechanism is in the energy state of releasing; Indication key 15 also comprises a projection 19, is located at the inside bottom of cylindrical sector face 16,27 conflicts of trying to get to the heart of a matter on this projection 19 and the OK indication key 29.
The OK indication key 29 of the utility model indicating device is showed a visible cylindrical sector face 28 at the window of circuit breaker control panel, cylindrical sector face 28 is positioned at cylindrical sector face 16 1 sides, and both are positioned at the same window, sign has OK and two kinds of positions of non-OK on cylindrical sector face 28, be respectively applied for the expression circuit breaker be in can be closed and non-can closed two states.
The slide key arm 33 of the utility model indicating device has haptic element 34, signal output pin 35.Wherein haptic element 34 can be conflicted with the end face 37 of O type slide key 39 in the indicating device rotary course, thus with slide key 39 to left translation; Signal output pin 35 stretches out outside the side plate 1, it can cooperate with at least one sensitive switch, the indicating device that makes that and if only if disconnected or closed sensitive switch when being in closeable OK position, and the electrical information of Huo Deing can be sent to control device or the control panel inside or the outside monitoring arrangement of circuit breaker like this.The above-mentioned O type slide key 39 of the utility model has the lead-in cavity 38 of the inclined to one side length that cooperates with a fixed axis 4, make it that certain translation freedoms and rotary freedom be arranged, O type slide key 39 is setovered by spring 40, one end of its medi-spring 40 is connected with O type slide key 39, the other end is connected with spring shaft 7 on the side plate 1, on O type slide key 39, also has slip pin 41, briquetting end face 24, briquetting bottom surface 22, slip pin 41 can cooperate with the sliding tray 9 of close push button 12 on the circuit breaker control panel, close push button 12 is fixed on the side plate 1 by push button shaft 14, on closed button 12, also be provided with paw 8, paw 8 cooperates with briquetting end face 24 on the O type slide key 39, briquetting bottom surface 22 cooperates with the pressure tongue of releasing on can snap close 11 10, releases energy snap close 11 and is installed on the side plate 1.The utility model is above-mentioned release can snap close 11 on tool one groove 43, in groove 43, be provided with an end of lever (not shown in FIG.), the other end of lever cooperates with the energy storage cam of operating mechanism by roller, the energy storage cam is installed on the energy storage axle, and the energy storage axle provides power source by a ratchet and pawl arrangement.
The lock catch arm 36 of the utility model indicating device is when separating brake snap close 2 is in non-free position, and an action face of its upper end and the locking board on the separating brake snap close 23 are conflicted.
When the rotating shaft arm 30 of the utility model indicating device was in the combined floodgate closure at the dynamic and static contact of circuit breaker, an action face of its upper end and the cam of rotating shaft 26 42 were conflicted.
Be connected with an end of spring 6 on the carbine 32 of the utility model indicating device, the other end of spring 6 is connected with fixed axis 4, realizes the indicating device clockwise direction is setovered by spring 6.
The utility model is operated like this:
When the dynamic and static contact of circuit breaker is in the separating brake open position, separating brake snap close 2 is in free state and operating mechanism energy storage when not beginning, the fingertip 20 of indication key 15 is parked on the periphery 23 of auxiliary cam 25, make indication key 15 get and release the energy position, have of the window demonstration of the cylindrical sector face 16 of releasing the energy state of expression circuit breaker operation mechanism this moment by the circuit breaker control panel.Simultaneously trying to get to the heart of a matter of the projection on the indication key 15 19 and the utility model OK indication key 29 27 conflicted, and makes the cylindrical sector face 28 that the expression circuit breaker non-OK (i.e. closure state) that has of OK indication key 29 show by window.In this position, the haptic element 34 that O type slide key 39 is instructed to device promote left and leave and release can snap close 11 the conflict position, make close push button 12, releasing can snap close 11, break away from engagement between O type slide key 39 threes, thereby close push button 12 is inoperative.The operator drives the energy storage axle by a ratchet and pawl arrangement clockwise direction then, make energy storage axle clockwise direction rotate the rotation that causes the energy storage cam, force the switching-in spring compression, when switching-in spring is compressed into the most in short-term, the expression energy storage finishes, at this moment the fingertip 20 of indication key 15 falls into the recess 21 of auxiliary cam 25, make indication key 15 get the energy storage position, the cylindrical sector face 16 that has expression circuit breaker operation mechanism energy storage state this moment shows by the window on the front panel, in this position, 27 the conflict of trying to get to the heart of a matter of the projection 19 on the indication key 15 and OK indication key 29 disappears, at this moment but indicating device rotates to make position under the effect of spring 6 restoring forces, makes the cylindrical sector face 28 that has expression circuit breaker OK (getting final product closure state) of OK indication key 29 show by window.Meanwhile, O type slide key 39 is conflicted with the pressure tongue of releasing on can snap close 11 10 in the briquetting bottom surface 22 that moves right under the effect of spring 40 restoring forces on it, and the paw on the close push button 12 8 cooperates with the briquetting end face 24 of O type slide key 39, at this moment close push button 12, releasing can snap close 11, form a dynamic engagement between O type slide key 39 threes, thereby press close push button 12, can make breaker closing.
Energy storage once more behind the breaker closing is that the fingertip 20 in indication key 15 falls in the recess 21 of auxiliary cam 25, make indication key 15 get the energy storage position, the cylindrical sector face 16 that has expression circuit breaker operation mechanism energy storage state this moment shows by the window on the front panel.In this position, though 27 the conflict of trying to get to the heart of a matter of the projection 19 on the indication key 15 and indicating device disappears, but because the dynamic and static contact of circuit breaker is in combined floodgate closure state position, at this moment the cam 42 of an acting surface at rotating shaft arm 30 tops of indicating device and rotating shaft 26 is inconsistent, make OK indication key 29 have the expression circuit breaker must OK (i.e. closure state) cylindrical sector face 28 show by window.In this position, O type slide key 39 be instructed to haptic element 34 on the slide key arm 33 of device promote left and leave and release can snap close 11 cooperate, make close push button 12 and release between energy snap close 11, O type slide key 39 threes to break away from engagement, thereby close push button 12 is inoperative.
In above-mentioned course of action, separating brake snap close 2 all is in free position.And when clockwise direction deflection separating brake snap close 2, when making it be in non-free position, this moment, the locking board 3 on it was inconsistent with an acting surface at lock catch arm 36 tops of indicating device, make OK indication key 29 have the expression circuit breaker must OK (i.e. closure state) cylindrical sector face 28 show by window.In this position, O type slide key 39 be instructed to haptic element 34 on the slide key arm 33 of device promote left and leave and release can snap close 11 cooperate, make closed button 12, release to break away between energy snap close 11, O type slide key 39 threes and mesh, thereby close push button 12 is inoperative.
In sum, circuit breaker is when operating mechanism energy storage, circuit breaker are in open position, separating brake snap close and are in these three conditions of free position and satisfy simultaneously, the cylindrical sector face 28 that has expression circuit breaker OK (getting final product closure state) of the present utility model just shows that by window at this moment close push button 12 just can be pressed.Otherwise,, then of the present utility modelly have the cylindrical sector face 28 that the expression circuit breaker non-OK (i.e. closure state) and show that by window at this moment close push button 12 just can not be pressed as long as there is a condition not satisfy.

Claims (2)

  1. But 1, a kind of visual closure state indicating device of circuit breaker operation mechanism, by axle bed (31) be installed in rotation on energy storage/release can the fixed axis of indication key (15) on, it is characterized in that it comprises an OK indication key (29), tool cylindrical sector face (28), can with energy storage/release can indication key (15) cylindrical sector face (16) cooperate; One slide key arm (33), tool haptic element (34), signal output pin (35), haptic element (34) can cooperate with the face (37) of slide key (39), and signal output pin (35) stretches out outside the side plate (1), is used to connect sensitive switch; One lock catch arm (36) can cooperate with the locking board (3) of separating brake snap close (2); One rotating shaft arm (30) can cooperate with the cam (42) of rotating shaft (26); One carbine (32) is setovered indicating device clockwise by spring (6).
  2. But 2, the visual closure state indicating device of circuit breaker operation mechanism according to claim 1, it is characterized in that indication key (15) also comprises a projection (19), be located at the inside bottom of cylindrical sector face (16), conflict try to get to the heart of a matter (27) on this projection (19) and the OK indication key (29).
CN 02262594 2002-06-18 2002-06-18 Viewable closeable state indicator of breaker operation mechanism Expired - Lifetime CN2550895Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 02262594 CN2550895Y (en) 2002-06-18 2002-06-18 Viewable closeable state indicator of breaker operation mechanism

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Application Number Priority Date Filing Date Title
CN 02262594 CN2550895Y (en) 2002-06-18 2002-06-18 Viewable closeable state indicator of breaker operation mechanism

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CN2550895Y true CN2550895Y (en) 2003-05-14

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009100681A1 (en) * 2008-02-14 2009-08-20 Siemens Aktiengesellschaft Circuit breaker ready-to-close indicator component
CN101276709B (en) * 2008-03-13 2010-06-23 江苏大全凯帆电器有限公司 Indication mechanism for preparation of breaker switching-in
CN102280318A (en) * 2010-06-12 2011-12-14 上海电科电器科技有限公司 Indicating device for closable state
CN102522232A (en) * 2011-12-13 2012-06-27 常熟开关制造有限公司(原常熟开关厂) Circuit breaker operation mechanism
CN103632893A (en) * 2012-07-31 2014-03-12 西门子公司 Electrical contact position indicator apparatus, systems and methods of operation

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009100681A1 (en) * 2008-02-14 2009-08-20 Siemens Aktiengesellschaft Circuit breaker ready-to-close indicator component
CN101510488B (en) * 2008-02-14 2012-01-11 西门子公司 Circuit breaker ready-to-close indicator component
CN101276709B (en) * 2008-03-13 2010-06-23 江苏大全凯帆电器有限公司 Indication mechanism for preparation of breaker switching-in
CN102280318A (en) * 2010-06-12 2011-12-14 上海电科电器科技有限公司 Indicating device for closable state
CN102522232A (en) * 2011-12-13 2012-06-27 常熟开关制造有限公司(原常熟开关厂) Circuit breaker operation mechanism
CN102522232B (en) * 2011-12-13 2014-08-13 常熟开关制造有限公司(原常熟开关厂) Circuit breaker operation mechanism
CN103632893A (en) * 2012-07-31 2014-03-12 西门子公司 Electrical contact position indicator apparatus, systems and methods of operation
CN103632893B (en) * 2012-07-31 2017-09-08 西门子公司 Electrical contact position indicator equipment, system and operating method

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: CHANGSHU SWITCH MANUFACTURING CO., LTD. ( CHANGSHU

Free format text: FORMER NAME OR ADDRESS: CHANGSHU SWITCH FACTORY

CP03 Change of name, title or address

Address after: 215500 No. 8 Jianye Road, Jiangsu, Changshou City

Patentee after: Changshu Switchgear Manufacturing Co., Ltd. (Former Changshu Switchgear Factory)

Address before: 215532 Li Road, Jiangsu, Changshou City

Patentee before: Changshu Switch Factory

C17 Cessation of patent right
CX01 Expiry of patent term

Expiration termination date: 20120618

Granted publication date: 20030514