CN1971798A - Switch operation mechanism with locking gear - Google Patents
Switch operation mechanism with locking gear Download PDFInfo
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- CN1971798A CN1971798A CN 200610119125 CN200610119125A CN1971798A CN 1971798 A CN1971798 A CN 1971798A CN 200610119125 CN200610119125 CN 200610119125 CN 200610119125 A CN200610119125 A CN 200610119125A CN 1971798 A CN1971798 A CN 1971798A
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Abstract
This invention relates to one lock device switch operation structure, which comprises the following parts: one connection bar drive structure, one rotation and indication bar, one spring, one rotation protruding wheel, one control probe connection bar, one trip electromagnetic iron, one trip or re-trip connection control bar; one test connection bar, one lock part, one control circuit interface bar to set as automatic, break and that for two positions.
Description
Technical field
The present invention relates to a kind of switch operating mechanism that has locking device, relate to the switch operating mechanism that has locking device in integrated, multi-functional control and the protection switch electrical equipment or rather, belong to electrical technology field.
Background technology
The structure of low-voltage electrical apparatus electrical system mainly contains dual mode:
A kind of is by realizing protective effect (distribution apparatus respectively; be mainly circuit breaker) and control action (control apparatus; be mainly contactor and thermal relay or motor protector) the device for switching of discrete constitute; independent separately the installation; two kinds of electrical equipment series connection are connected (as shown in Figure 1a) between power supply and the load.
The operating mechanism of distribution apparatus is accepted to detect the fault-signal of control unit and the also main circuit of disjunction distribution apparatus of threading off, simultaneously can fault-signal be reached operating state letter newspaper contact by operating state letter newspaper interface, the control circuit of control apparatus is accepted artificial or control signal and operate electromagnetic system and connect or the main circuit of disjunction control apparatus automatically.Wherein, the function that the operating mechanism of distribution apparatus is realized comprises: the panel indication (connect, disconnect, thread off, buckle) of the letter newspaper interface control+handle of the break-make control (normal, fault) of main contact+operating state (normal, fault) is to close 1 operating mechanism (pattern 1) based on 3 of main circuit.
Another kind is to constitute by having the integrated multifunctional electric appliance of control with protective effect simultaneously, promptly controlling with protection switch electrical equipment, abbreviates CPS as.
CPS is connected between power supply and the load, the modular incorporate mounting means of the general employing of its structure.CPS inside simultaneously has generic failure protection and short-circuit protection function; different compound mode according to generic failure protection and short-circuit protection tripping system is divided into " inside has the short-circuit protection dropout cutting system that is independent of the generic failure protection ", " not having the short-circuit protection tripping system that is independent of the generic failure protection " two kinds of patterns again:
The inside of CPS has the short-circuit protection dropout cutting system (short trouble detecting unit shown in Fig. 1 b, Fig. 1 c and high speed electromagnetic system) that is independent of the generic failure protection: the generic failure protected location of Fig. 1 b is a Thermomagnetic type, and it is to be the effect realization of operating mechanism by mechanical interface that the break-make of control contact is controlled.The generic failure protected location of Fig. 1 c is an electronic type, and the break-make control of control contact is to realize by the electric interfaces (contact) that is in series with control circuit.Wherein, the function that the operating mechanism of CPS is realized comprises: the panel indication of the letter newspaper interface control+handle of the break-make of the control contact of control circuit control (normal, fault)+operating state (normal, fault) (automatically, disconnect, dropout, buckle again) is to close 1 operating mechanism (pattern 2) based on 3 of control circuit.Disconnection control to the short trouble of the CPS main circuit of this pattern is realized by the short-circuit protection dropout cutting system that is independent of the generic failure protection.
The inside of CPS does not have the short-circuit protection tripping system (shown in Fig. 1 d) that is independent of the generic failure protection: be the error protection tripping system of single comprehensive pattern.Wherein, the function that realizes of the operating mechanism of CPS comprises: the panel indication (automatically, disconnect, thread off, buckle again) of the letter newspaper interface control+handle of the break-make control (normal, fault) of the control contact of control circuit+operating state (normal, fault)+to the direct disconnection control of main circuit (promptly comprise the dropout disjunction of generic failure and buckle again, the dropout disjunction of short trouble and buckle again).Be to comprise that main circuit, control circuit are that 4 of feature is closed 1 operating mechanism (pattern 3).All fault is threaded off and is all acted on tripping mechanism by trip unit (as release electromagnet) and realize, to the disconnection control of the short trouble of the CPS main circuit of this pattern, also is that single error protection tripping system is realized promptly.
Chinese patent ZL98801334.7 " switchgear that has switch lock dropout position " relates to the operating mechanism of a kind of device for switching (being mainly used in circuit breaker), and this operating mechanism has adopted parts peculiar to the location of dropout position, has increased the quantity of mechanism element.China ZL03103144.7 " equipment that is used for motor protection and control " relates to the operating mechanism of the device (i.e. control and protection switch electrical equipment CPS) with contactor and circuit breaker function; its connection that realizes operate as normal and the disjunction of disjunction, fault and button employing again be two to overlap independently quadric chain, increased quantity, the manufacturing process complexity of mechanism element.
Find out from above-mentioned prior art, different electrical systems, different CPS implementation, when particularly relating to different operating modes and having latched position to require, all closely related with the formation of operating mechanism, operating mechanism plays an important role, and the operating mechanism influence of employing different designs constitutes the function and the performance of number of components and parts, processing technology and even the whole electric equipment of entire mechanism system.
Summary of the invention
The object of the present invention is to provide a kind of switch operating mechanism that has locking device; control and protection switch electrical equipment (CPS) that this operating mechanism constitutes; the particular requirement that operating mechanism is had assigned addresses such as latched position at different operating modes; the locking of the indicating positions that operating mechanism is set in the dropout position, and can realize resetting of operating mechanism.
For achieving the above object; technical scheme of the present invention is: the switch operating mechanism of the locking device of control and protection switch electrical equipment: comprise a jointed gear unit at least; a rotation/indicating arm, a spring, the rotating cam of a drive operating mechanism motion; the connecting rod of a control contact; a release electromagnet that is used to make the operating mechanism dropout, one dropout/button/letter is reported the interface control lever again, a test connecting rod; a snap close piece, a control circuit interface control lever.
Can be set at artificially automatically by rotation/indicating arm, disconnect, and comprise locking and the indication that realizes these two kinds of positions, during dropout rotating cam stressed in spring and and be controlled by the dropout of release electromagnet/buckle/believe newspaper interface control lever again to mesh in the position of setting, realize the location and the indication of dropout position, and can detain (buckle position overlaps with open position) artificially again, also can realize the artificial dropout of above-mentioned switch operating mechanism is operated by the test connecting rod, when switch operating mechanism is positioned at automatically, when disconnection and dropout position, rotating cam makes the control contact be in by promotion control circuit interface control lever and switches on and off the position.Wherein release electromagnet is a bistable electro-magnet.
Control comprises the switch operating mechanism that has locking device with protection switch electrical equipment (CPS); and the connection that comprises the Wiring port of multipole main power source end and load end, multipole contact arc-extinguishing system, control contact and cutting system, realize the control protection module of fault-signal detection processing controls etc., and the optional device of other auxiliary circuit, control circuit etc.
Beneficial effect of the present invention: adopt the switch operating mechanism that has locking device provided by the invention; constitute control and protection switch electrical equipment (CPS); at different use occasions; the multiple function that is realized; owing to the dropout of having adopted multi-functional unification/button/letter is reported the interface control lever again, entire mechanism system number of components and parts is few, processing technology is simple, is convenient to use; save resource, have certain economic benefits.
The invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1 a is the internal frame diagram of the electrical system that constitutes of the discrete device for switching of prior art;
Fig. 1 b has the short-circuit protection dropout cutting system that is independent of the generic failure protection for the electrical system that is made of CPS, and the generic failure protected location is the internal frame diagram of Thermomagnetic type;
Fig. 1 c has the short-circuit protection dropout cutting system that is independent of the generic failure protection for the electrical system that is made of CPS, and the generic failure protected location is the internal frame diagram of electronic type;
Fig. 1 d does not have the short-circuit protection dropout cutting system that is independent of the generic failure protection for the electrical system that is made of CPS, is the internal frame diagram of the error protection tripping system of single comprehensive pattern;
Fig. 2 is the control of switch operating mechanism of the present invention and the theory diagram of protection switch electrical equipment (CPS) system;
Fig. 3 a, Fig. 3 b, Fig. 3 c are control and the formation of the switch operating mechanism that has locking device of protection switch electrical equipment (CPS) and the schematic diagram of residing 3 different operating positions (automatically, thread off, disconnect/buckle again) of being used for of the present invention;
Embodiment
Fig. 1 (Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 1 d) is the low-voltage electrical apparatus system of prior art and the theory diagram of control and protection switch electrical equipment (CPS) operating mechanism.Here no longer explanation.
With reference to Fig. 2, this is control and protection switch electrical equipment (CPS) system block diagram that is made of the switch operating mechanism that has locking device of the present invention.
As shown in the figure, the external-connected port of CPS connects the control power supply of control circuit, the main power source that connects main circuit, controlled load, connection letter newspaper contact and the auxiliary contact of connection respectively.The power supply that is used to control protection module links with external control power supply by the control contact, simultaneously, the power supply that is used to control electromagnet also by the control contact directly and external control power supply link.
Artificial/automatic control signal that operating mechanism can be accepted to come from the outside acts on the control contact of control circuit by operating mechanism, and by control electromagnet and transmission mechanism in the control circuit, realizes normal connection, breaking operation to main circuit.
After control protection module (input, processing and output unit) detects various faults and carries out the analysis and judgement processing; send out control signal and give release electromagnet; release electromagnet directly acts on operating mechanism; make the energy storage connecting rod action in the operating mechanism and pass through the direct disjunction main circuit of transmission mechanism, the control circuit of disjunction simultaneously.
With reference to Fig. 3 (Fig. 3 a, Fig. 3 b, Fig. 3 c), this is the formation and residing 3 different operating positions that is used for control and the switch operating mechanism that has locking device of protection switch electrical equipment (CPS) of the present invention: automatically (AUTO), thread off (TRIP), disconnection (OFF)/buckle the again schematic diagram of (RESET) (disconnection overlaps with the buckle position).
With reference to Fig. 3 a, shown automatic (AUTO) service position.
Rotation/indicating arm (2) is positioned at (AUTO) service position automatically, jointed gear unit (1) is in position 1 (part (12) is in and lifts the position) as shown in the figure, the position of the control circuit interface control lever (10) corresponding with rotating cam (4) makes control contact (11) be in the close position, snap close piece (8) is in the snap close position, apply extraneous control power supply Us, because part (12) lifts (part (12) directly acts on the main circuit moving contact), main circuit can be connected, cut off extraneous control power supply Us, the main circuit disjunction.Switch operating mechanism is positioned at this position during operate as normal.
With reference to Fig. 3 b, shown dropout (TRIP) position.
During operate as normal (mechanism is in automated location), in circuit, break down, signal processing control unit is through judging to release electromagnet (6) output power supply, make release electromagnet (6) change stable release condition into by stablizing attracting state, drive dropout in the transition process/button/letter newspaper interface control lever (7) promotes snap close piece (8) again, make jointed gear unit (1) be in position 2 (part (12) is in depressing position) as shown in the figure, part (12) is locked in open position with the main circuit contact, this moment is because the effect rotating cam (4) of spring (3) reports interface control lever (7) to mesh in the position (P point) of setting with threads off/buckle again/believe, make whole operation mechanism be locked in the dropout position, rotating cam (4) promotes control circuit interface control lever (10) simultaneously makes control contact (11) be in open position, even apply extraneous control power supply Us this moment, main circuit also can't be connected.At this moment, if without detaining, switch operating mechanism can't directly return to automatically or open position again.
If stir test connecting rod (9) (seeing shown in Fig. 3 a), can make release electromagnet (6) under artificial action, change stable release condition into by stablizing attracting state, drive whole switch operating mechanism and be in the dropout position, the difference of threading off with fault is to make release electromagnet (6), and to change the power of stablize release condition into a kind of for artificially acting on by stablize attracting state, a kind of signal of telecommunication that sends for signal processing control unit.
Rotation/indicating arm (2) by disconnect (OFF) position (seeing Fig. 3 c) directly dextrorotation go to this position, need will rotate earlier during to this position by (TRIP) position (seeing Fig. 3 c) of threading off/indicating arm (2) goes to disconnection (OFF)/more counterclockwise and detains (RESET) position, can rotate to this position more in the direction of the clock and rest on this position.
With reference to Fig. 3 c, shown disconnection (OFF)/again button (RESET) service position.
The coincidence position that one's own department or unit is changed to disconnection (OFF) and detains (RESET) again has two kinds of functions:
---break function: the people goes to disconnection (OFF)/again button (RESET) position for making rotation/indicating arm (2) by the choosing of automatic (AUTO) position, jointed gear unit (1) is in position 3 (part (12) is in depressing position) as shown in the figure, part (12) is locked in open position with the main circuit contact, rotating cam (4) promotes control circuit interface control lever (10) makes control contact (11) be in open position, snap close piece (8) is in the snap close position, even apply extraneous control power supply Us this moment, main circuit also can't be connected.
---detain reset function again: mechanism is because after the fault dropout, rotation/indicating arm (2) is in dropout (TRIP) position (as Fig. 3 b position), jointed gear unit (1) is in position 2, by artificial control rotation/indicating arm (2) is rotated counterclockwise to disconnecting (OFF)/again button (RESET) position, rotation/indicating arm in this process (2) driven rotary cam (4) rotation, rotating cam (4) promote to thread off/and button/letter reports interface control lever (7) by position extremely as shown in the figure, the position of engagement among Fig. 3 b again, in this position, thread off/button/letter newspaper interface control lever (7) can guarantee that release electromagnet (6) changes stable attracting state into by stablizing release condition again, snap close piece (8) reverts to the snap close state under the effect of jointed gear unit (1) simultaneously, jointed gear unit (1) reverts to position 3, rotation/indicating arm (2) then turn clockwise this moment to automatic AUTO position, and jointed gear unit (1) reverts to position 1.
3 positions corresponding to jointed gear unit (1), dropout among Fig. 3 a, Fig. 3 b, Fig. 3 c/button/letter newspaper interface control lever (7) is in 2 positions respectively again, be jointed gear unit (1) corresponding dropout the in position 1,3/button/letter is reported a position of interface control lever (7) again, 2 corresponding dropouts/button/letter is reported another position of interface control lever (7) again in the position of jointed gear unit (1), therefore can realize the signal output of normal operating conditions and malfunction by dropout/button/letter newspaper interface control lever (7) passes to specific contact with signal again.
In sum, rotating cam (4) and jointed gear unit (1) cooperate the normal connection and the disjunction that can realize main circuit, by above-mentioned dropout/button/letter is reported interface control lever (7) again, release electromagnet (6) and snap close piece (8) can be realized threading off, by above-mentioned dropout/button/letter newspaper interface control lever (7) can be realized the control to the letter telegraph circuit again, by the locking of position that can realize threading off of the button/letter of above-mentioned dropout/again newspaper interface control lever (7) and rotating cam (4), by above-mentioned dropout/button/letter is reported interface control lever (7) again, release electromagnet and rotating cam (4) can realize detaining (resetting) again, wherein, thread off/button/letter newspaper interface control lever (7) can be controlled by rotating cam (4) and release electromagnet (6) simultaneously again, during dropout by spring (3) act on rotating cam (4) and and be controlled by the dropout of release electromagnet (6)/buckle/believe newspaper interface control lever (7) again to mesh in the position of setting, whole operation mechanism is locked in the dropout position.Can be by above-mentioned dropout/button/letter newspaper interface control lever is realized the artificial dropout of above-mentioned switch operating mechanism is operated with test connecting rod (9) again.
Though the present invention describes with reference to the above embodiments; but those of ordinary skill in the art; will be appreciated that above embodiment is used for illustrating the present invention; should understand and wherein can make variations and modifications and do not break away from the present invention in a broad sense; so be not as limitation of the invention; as long as in connotation scope of the present invention, to the variation of above-described embodiment, the protection range that distortion all will fall into claim of the present invention.
Claims (10)
1; the switch operating mechanism that has locking device of control and protection switch electrical equipment; the control and the protection switch electrical equipment that are used for different operating modes; comprise a switch operating mechanism; it is characterized in that: described switch operating mechanism; at least comprise a jointed gear unit; a rotation/indicating arm; a spring; the rotating cam of a drive operating mechanism motion; the connecting rod of a control contact; a release electromagnet that is used to make the operating mechanism dropout; one dropout/button/letter is reported the interface control lever again, a test connecting rod, a snap close piece; a control circuit interface control lever; be set at artificially automatically by rotation/indicating arm; disconnect, and comprise locking and the indication that realizes these two kinds of positions, during dropout rotating cam stressed in spring and and be controlled by the dropout of release electromagnet/buckle again/believe and report the interface control lever to mesh in the position of setting; realize the location and the indication of dropout position, and can detain again artificially.
2, the switch operating mechanism that has locking device as claimed in claim 1 is characterized in that: the external-connected port of CPS connects the control power supply of control circuit, the main power source that connects main circuit, controlled load, connection letter newspaper contact and the auxiliary contact of connection respectively under the described operating mechanism; The power supply that is used to control protection module links with external control power supply by the control contact, the power supply that is used to control electromagnet also by the control contact directly and external control power supply link.
3, the switch operating mechanism that has locking device as claimed in claim 1, it is characterized in that: described operating mechanism, artificial/the automatic control signal that can accept to come from the outside, act on the control contact of control circuit by operating mechanism, and, realize normal connection, breaking operation to main circuit by control electromagnet and transmission mechanism in the control circuit.
4, the switch operating mechanism that has locking device as claimed in claim 1; it is characterized in that: the control protection module (input, processing and output unit) of the CPS under the described switch operating mechanism; after detecting various faults and carrying out the analysis and judgement processing; send out control signal and give release electromagnet; release electromagnet directly acts on operating mechanism; make the energy storage connecting rod action in the operating mechanism and pass through the direct disjunction main circuit of transmission mechanism, the control circuit of disjunction simultaneously.
5, the switch operating mechanism that has locking device as claimed in claim 1 is characterized in that: described switch operating mechanism, residing 3 different operating positions are automatically, thread off, disconnect/detain; Described switch operating mechanism, can be by its inside dropout/button/letter newspaper interface control lever (7) passes to specific contact with signal again, realize that the normal operating conditions and the signal of malfunction export.
6, the switch operating mechanism that has locking device as claimed in claim 1, it is characterized in that: can realize the artificial dropout of above-mentioned switch operating mechanism is operated by the test connecting rod, when switch operating mechanism is positioned at automatically, when disconnection and dropout position, rotating cam makes the control contact be in to switch on and off the position by promoting control circuit interface control lever.
7, the switch operating mechanism that has locking device as claimed in claim 1, it is characterized in that: the automatic service position of described switch operating mechanism, jointed gear unit (1) is in position 1 (part (12) is in and lifts the position), the position of the control circuit interface control lever (10) corresponding with rotating cam (4) makes control contact (11) be in the close position, snap close piece (8) is in the snap close position, apply extraneous control power supply Us, because part (12) lifts, main circuit can be connected, cut off extraneous control power supply Us, the main circuit disjunction.Switch operating mechanism is positioned at this position during operate as normal.
8, the switch operating mechanism that has locking device as claimed in claim 1, it is characterized in that: the dropout service position of described switch operating mechanism, if stir test connecting rod (9), can make release electromagnet (6) under artificial action, change stable release condition into by stablizing attracting state, drive whole switch operating mechanism and be in the dropout position, the difference of threading off with fault is to make release electromagnet (6), and to change the power of stablize release condition into a kind of for artificially acting on by stablize attracting state, a kind of signal of telecommunication that sends for signal processing control unit.
9, the switch operating mechanism that has locking device as claimed in claim 1, it is characterized in that: the disconnection of described switch operating mechanism/detain again service position, part (12) is locked in open position with the main circuit contact, rotating cam (4) promotes control circuit interface control lever (10) makes control contact (11) be in open position, snap close piece (8) is in the snap close position, even apply extraneous control power supply Us this moment, main circuit also can't be connected.
10, the switch operating mechanism that has locking device as claimed in claim 1, it is characterized in that: when the rotation/indicating arm of described switch operating mechanism (2) is in the dropout position, by artificial control rotation/indicating arm (2) is rotated counterclockwise to disconnecting (OFF)/again button (RESET) position, rotation/indicating arm in this process (2) driven rotary cam (4) rotation, rotating cam (4) promote to thread off/again button/letter report interface control lever (7) by the dropout position to the buckle position, in the buckle position, thread off/button/letter newspaper interface control lever (7) can guarantee that release electromagnet (6) changes stable attracting state into by stablizing release condition again, snap close piece (8) reverts to the snap close state under the effect of jointed gear unit (1) simultaneously, jointed gear unit (1) reverts to disconnection/reset mode, rotation/indicating arm (2) then turn clockwise this moment to automatic AUTO position, and jointed gear unit (1) reverts to automated location.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200610119125 CN1971798A (en) | 2006-12-05 | 2006-12-05 | Switch operation mechanism with locking gear |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200610119125 CN1971798A (en) | 2006-12-05 | 2006-12-05 | Switch operation mechanism with locking gear |
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CN1971798A true CN1971798A (en) | 2007-05-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200610119125 Pending CN1971798A (en) | 2006-12-05 | 2006-12-05 | Switch operation mechanism with locking gear |
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CN (1) | CN1971798A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101923992A (en) * | 2010-08-20 | 2010-12-22 | 上海电科电器科技有限公司 | Control and protection switch operating mechanism for electrical appliances |
CN101477921B (en) * | 2008-12-16 | 2011-06-08 | 上海电科电器科技有限公司 | Connection locking structure for protection electric appliance controlling |
CN101894695B (en) * | 2009-05-22 | 2012-10-17 | 苏州万龙电气集团股份有限公司 | Bevel gear double-rocker floating rod switching device |
CN105609381A (en) * | 2014-11-19 | 2016-05-25 | 施耐德电器工业公司 | Electrical circuit breaker including a trip block |
-
2006
- 2006-12-05 CN CN 200610119125 patent/CN1971798A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101477921B (en) * | 2008-12-16 | 2011-06-08 | 上海电科电器科技有限公司 | Connection locking structure for protection electric appliance controlling |
CN101894695B (en) * | 2009-05-22 | 2012-10-17 | 苏州万龙电气集团股份有限公司 | Bevel gear double-rocker floating rod switching device |
CN101923992A (en) * | 2010-08-20 | 2010-12-22 | 上海电科电器科技有限公司 | Control and protection switch operating mechanism for electrical appliances |
CN101923992B (en) * | 2010-08-20 | 2012-12-12 | 上海电科电器科技有限公司 | Control and protection switch operating mechanism for electrical appliances |
CN105609381A (en) * | 2014-11-19 | 2016-05-25 | 施耐德电器工业公司 | Electrical circuit breaker including a trip block |
CN105609381B (en) * | 2014-11-19 | 2019-06-14 | 施耐德电器工业公司 | Electric circuit breaker including buckle releaser piecemeal |
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