CN1996534A - Components of electric appliances composed by mechanical lock and temperature sensitive element - Google Patents
Components of electric appliances composed by mechanical lock and temperature sensitive element Download PDFInfo
- Publication number
- CN1996534A CN1996534A CNA2006100641487A CN200610064148A CN1996534A CN 1996534 A CN1996534 A CN 1996534A CN A2006100641487 A CNA2006100641487 A CN A2006100641487A CN 200610064148 A CN200610064148 A CN 200610064148A CN 1996534 A CN1996534 A CN 1996534A
- Authority
- CN
- China
- Prior art keywords
- contact
- assembly
- temperature
- sensitive element
- mechanical lock
- Prior art date
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
- H01H71/16—Electrothermal mechanisms with bimetal element
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/08—Terminals; Connections
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/38—Auxiliary contacts on to which the arc is transferred from the main contacts
Landscapes
- Thermally Actuated Switches (AREA)
- Breakers (AREA)
Abstract
The present invention provides an assembly, which is used for, for example, standardization breaker type electrical appliance to protect circuit and worker, the assembly has a lock, which connects with at least a pair of fixed contact and movable contact (8), the lock also has movable contact base (5), once the circuit to be protected is short circuit or over loaded, a tripping mechanism (9) effects, such that turnoff the circuit by overturning the contact base (5). The assembly also has a heat sensitive element, which is based on a bimetal element (7), in case of overloading, the bimetal element (7) is deformed such that the tripping mechanism (9)/contact base (5) assembly overturns by pivot, the bimetal element (7) is arranged between the movable contact (8) and terminal (1), the terminal (1) connects onto a linker which has circuitry protect device of the same. The bimetal element (7) rigidly connects to the movable contact (8) and electrically connects with the terminal in terms of having single freedom of motion.
Description
Technical field
The present invention relates to bring into the assembly in the breaker type electrical appliance, it mainly is made of mechanical lock and temperature-sensitive element.
Background technology
Lock is connected at least one pair of fixed contact and moving contact, with mobile each moving contact that is delivered to of a joystick, make it respectively be bearing on the fixed contact and and described fixed contact at a distance of moving between two settling positions of certain distance.This lock comprises movable contact seat and tripping mechanism, just in case be short-circuited in the protected circuit or the electricity overload, can act on described release, thereby by the contact base upset be opened circuit in the contact.
The temperature-sensitive element that these electrical equipment are furnished with is based on a kind of bimetallic element, it is connected in circuit, just in case transship, tripping mechanism/contact base assembly is pivotally overturn, described bimetallic element is installed between moving contact and the terminal, described terminal is connected in connector, and described connector is connected in protector.
Until now, the fixed part of temperature-sensitive element and the connection between the movable member are generally implemented by flexible cord.Like this, one of end of bimetallic element for example is connected in terminal by means of flexible cord, and the other end still is connected in moving contact by flexible cord.Cause that thus temperature-sensitive element is not a rigidity, like this, when assembled product, little practical.
In fact, the flexible cord solution is not quite favourable economically, both because it makes the complicated or obstruction assembly automation of assembly automation, again because the cost height of flexible cord own.
Summary of the invention
Therefore, the present invention is intended to remedy the defective relevant with using flexible cord.
Feature of the present invention mainly is: bimetallic element is rigidly connected to moving contact; It carries out single degree of freedom formula conduction with binding post and is connected.
The device that lock/temperature-sensitive element sub-assembly forms is greatly simplified, and the reducing of complicated degree obviously reduces cost.Because so the relative rigidity of the assembly that obtains can or can be simplified the installation automation at least, so more effective.
The member of moving contact, lock and the member of temperature-sensitive element for example form a new-type element that enlarges and process now when assembling, like this, with respect to current installation method, removed some operations.
Novel component also makes lock rotate in inside, no longer be responsible for by terminal box---and all be to be responsible for until now, like this, can break away from some problem of alignment tolerance when making lock by terminal box.
As described later, this structure also can change the shape of bimetallic element, and can simplify adaptive for the various different sizes of the electrical equipment that described temperature-sensitive tripping mechanism is installed of temperature-sensitive tripping mechanism.
Prolong the terminal of temperature-sensitive element from an arm that extends along the plane vertical with the pivot of tripping mechanism/contact base assembly, especially obtain to rigidly fix, its free end has contact chip, conductive connecting element and this assembly pivot around described contact chip, described conductive connecting element conducts electricity with bimetallic element and is connected, and described bimetallic element is connected in described contact base.
Therefore, the terminal and the connection between the bimetallic element of connector are carried out rotatably, and this does not influence the compactedness of assembly, can regard assembling single part as.
Preferably, this conductive connecting element is a rigidity, and is connected in one of end of bimetallic element.
Mechanically, it itself is the part of rigidity that contact base, described electric connecting part and bimetallic element preferably form one, and it can pivot with respect to terminal, thereby can pivot with respect to the terminal box of electrical equipment, and described terminal y is arranged regularly.
According to a possibility, moving contact also is fixed in one of end of bimetallic element on the one hand rigidly, is fixed in contact base on the other hand rigidly.
In a word, the end that prolongs the rigid arm of terminal forms a pivot, around this pivot knuckles, be the assembly that constitutes by contact base, conductive member, bimetallic element and moving contact on the one hand, be tripping mechanism on the other hand, described tripping mechanism can be independent of described assembly and pivot.
According to this supposition, because the rigidity that moving contact/contact base connects, the compensation of wearing and tearing can not be implemented at the moving contact place, but can be implemented by fixed contact.
For guaranteeing the compactedness of this assembly, bimetallic element preferably takes the shape of the letter U, and each all is fixed on the free end of the different branching portions of U link and moving contact.
This shape is favourable, because described link and contact are fixed near the pivot, makes the base portion of U keep free, therefore, and described base portion deformability.
For making bimetallic element fulfil its function, tripping mechanism has a reinforcement, and described reinforcement forms a driving member, and its free end is arranged near the base portion of U, and is configured as when bimetallic element is out of shape, and described base portion promotes described driving member.
In case bimetallic element is passed through by the overload current that surpasses certain limit, the distortion of described bimetallic element just is enough to promote driving member, that is to say, tripping mechanism is pivoted, and unclamps lock in a conventional manner.
According to a possibility, terminal is prolonged by the electric arc guide plate.
In many one type of prior art syringe, this electric arc guide plate is fixed near one of end of bimetallic element, is positioned at it and is connected in the terminal place that jockey is furnished with by flexible cord.
Form the pivot of terminal, electric arc guide plate and lock simultaneously by sheet material cutting and the folding single rigid element that forms, be easy in the terminal box of its assembly that constitutes with lock and bimetallic element, locate.
The invention still further relates to for example circuit and the personal protection electrical equipment of standardization circuit breaker type, it has the assembly that is made of mechanical lock and for example above-mentioned temperature-sensitive element.
Description of drawings
Now, the present invention will be illustrated by accompanying drawing, and accompanying drawing is as follows:
Fig. 1 and 2 be assembly of the present invention the same side but be two stereograms at two different visual angles;
Fig. 3 is the stereogram of this assembly opposite side.
Embodiment
As illustrated in fig. 1 and 2, the parts of fixed and arranged in the terminal box of electrical equipment (not shown) are concentrated into preferably whole that is formed by the sheet material cutting, have terminal (1) concurrently---it is inserted in the retainer of the jockey that is connected with electrical equipment, electric arc guide plate (2) and arm (3)---, and its free end has contact chip or the pivot (4) perpendicular with described arm (3).
Two assemblies can center on pivot (4) and differently pivot.At first, stiff member is made of contact base (5), conductive member (6) and moving contact (8), one of end of U-shaped bimetallic element (7) is fixed on the free end of described conductive member (6), and described moving contact (8) is connected in the other end of described bimetallic element (7).
Second movable link movable around pivot (4) is tripping mechanism (9), is furnished with driving member (10), and it is positioned near the base portion of U.Working condition is as follows: served as live stream promptly greater than the electric current of the rated current of electrical equipment during by circuit, in succession by terminal (1), arm (3), pivot (4), conductive component (6), ((7) and moving contact (8), described moving contact (8) rests on the fixed contact (not shown) bimetallic element.Be out of shape during rated current that bimetallic element (7) is used for circulating greater than circuit at this electric current.
In view of rigidly fixing of the end of described bimetallic element (7), the girder that it constituted can be considered two upper ends being fixed in U.Therefore, the part of distortion is the base portion of U, be positioned at driving member (10) near.It is used for the direction distortion along described driving member (10), and tripping mechanism (9) is pivoted individually around pivot (4).
Therefore, tripping mechanism (9) breaks away from contact base (5), the end of unclamping a connecting rod (not shown), and described connecting rod connects according to the toggle formula and is connected with joystick, and when described connecting rod unclamped, reset components was opened lock fast.
This structure itself is known, is not described in detail within the scope of the present invention.
Fig. 3 is clear to illustrate being rigidly connected between moving contact (8) and the contact base (5), especially with respect to configuration of the prior art, described being rigidly connected especially simplified the installation of this assembly---in the configuration of prior art, moving contact connects by pivoting with torque spring and is connected with contact base (5), even under the situation of contact wear, also guarantee suitable contact pressure.
It also shows the compactedness of the assembly that constitutes by contact base (5), moving contact (8), bimetallic element (7) and conductive component (6).Contact base (5) has a slot part (11) on top, the end that it is used to admit above-mentioned connecting rod makes it to be connected with joystick according to toggle formula mechanical connection.
When the end of described connecting rod is received in the bottom of this slot part (11), can be locked in the off-position of lock by the finger bar (12) that the upper end of tripping mechanism is furnished with.
In case current overload, the base portion that forms the U of bimetallic element (7) is out of shape outwardly, and promotes driving member (10).
Tripping mechanism (9) around pivot (4) freely rotates with respect to the assembly that comprises contact base (5), rotates along the direction of arrow R, and, refer to that bar (12) breaks away from slot part (11), thus the end of unclamping connecting rod.
Obviously, other configuration of the positioned opposite of the different parts of each of assembly of the present invention also can constitute the effect that reaches same.
Claims (8)
1. the assembly that constitutes by mechanical lock and temperature-sensitive element, it is used for for example standardization breaker type electrical appliance, and with protective circuit and personnel, it has:
-lock; it is connected at least one pair of fixed contact and moving contact (8); mobile each moving contact (8) that is delivered to a joystick; make it be bearing in respectively on the fixed contact and and described fixed contact at a distance of moving between two stable positions of certain distance; and comprise a movable contact seat (5), in case be short-circuited in protected circuit or the electricity overload, tripping mechanism (9) can work; thereby the upset by described contact base (5) is opened circuit the contact, and
-temperature-sensitive element, it is based on a kind of bimetallic element (7), just in case transship, described bimetallic element (7) just makes tripping mechanism (9)/contact base (5) assembly pivotally overturn, described bimetallic element (7) is installed between moving contact (8) and the terminal (1), described terminal (1) is connected in the connector of the line protection device of being furnished with it
It is characterized in that bimetallic element (7) is rigidly connected to moving contact (8), and be connected with conduction that described terminal (1) has a single degree of freedom.
2. described according to last claim, be used for assembly breaker type electrical appliance, that constitute by mechanical lock and temperature-sensitive element, it is characterized in that, terminal (1) is prolonged by an arm (3), described arm (3) extends along the plane vertical with the pivot of tripping mechanism (9)/contact base (5) assembly, its free end has contact chip (4), conductive connecting element (6) and this assembly pivot around described contact chip (4), described conductive connecting element (6) conducts electricity with bimetallic element (7) and is connected, and described bimetallic element (7) is connected in described contact base (5).
3. described according to last claim, be used for breaker type electrical appliance, by the assembly that mechanical lock and temperature-sensitive element constitute, it is characterized in that conductive connecting element (6) is a rigidity, and be connected in one of end of bimetallic element (7).
4. according to each is described in the aforementioned claim, be used for assembly breaker type electrical appliance, that be made of mechanical lock and temperature-sensitive element, it is characterized in that, moving contact (8) is fixed in one of end of bimetallic element (7) on the one hand rigidly, is fixed in contact base (5) on the other hand rigidly.
According to described one of in claim 3 and 4, be used for assembly breaker type electrical appliance, that constitute by mechanical lock and temperature-sensitive element, it is characterized in that, bimetallic element (7) takes the shape of the letter U, and each all is fixed on the free end of the different branching portions of U link (6) and moving contact (8).
6. described according to last claim, be used for assembly breaker type electrical appliance, that constitute by mechanical lock and temperature-sensitive element, it is characterized in that, tripping mechanism (9) has a reinforcement, described reinforcement forms a driving member (10), its free end is arranged near the base portion of U, and be configured as when bimetallic element (7) is out of shape, described base portion promotes described driving member (10).
According to each is described in the aforementioned claim, be used for breaker type electrical appliance, by the assembly that mechanical lock and temperature-sensitive element constitute, it is characterized in that the terminal that is connected with connector (1) is prolonged by electric arc guide plate (2).
8. electrical equipment, it is the protection circuit of for example standardization circuit breaker type and personnel's electrical equipment, it is characterized in that, it has according to each described assembly that is made of mechanical lock and temperature-sensitive element in the claim 1 to 7.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0511060A FR2892853B1 (en) | 2005-10-28 | 2005-10-28 | BLOCK COMPRISING A MECHANICAL LOCK AND A THERMAL SUBASSEMBLY OF ELECTRICAL APPARATUS |
| FR0511060 | 2005-10-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1996534A true CN1996534A (en) | 2007-07-11 |
| CN1996534B CN1996534B (en) | 2012-06-13 |
Family
ID=36658849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100641487A Expired - Fee Related CN1996534B (en) | 2005-10-28 | 2006-10-30 | Components of electric appliances composed by mechanical lock and temperature sensitive element |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN1996534B (en) |
| DE (1) | DE102006051423B4 (en) |
| FR (1) | FR2892853B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576240A (en) * | 2013-10-17 | 2015-04-29 | Ls产电株式会社 | Trip device for circuit breaker |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2783330A (en) * | 1955-01-31 | 1957-02-26 | Gen Electric | Automatic circuit breaker |
| US3257526A (en) * | 1962-06-21 | 1966-06-21 | Westinghouse Electric Corp | Control device with improved thermal operating means |
| FR1430196A (en) * | 1964-12-30 | 1966-03-04 | Electrical cut-off device | |
| US6710688B2 (en) * | 2001-04-30 | 2004-03-23 | Eaton Corporation | Circuit breaker |
| FR2858107B1 (en) * | 2003-07-22 | 2010-02-19 | Hager Electro | IMPROVED LOCK MECHANISM FOR CIRCUIT BREAKER AND CIRCUIT BREAKER INCORPORATING SUCH LOCK MECHANISM |
-
2005
- 2005-10-28 FR FR0511060A patent/FR2892853B1/en not_active Expired - Fee Related
-
2006
- 2006-10-27 DE DE200610051423 patent/DE102006051423B4/en not_active Expired - Fee Related
- 2006-10-30 CN CN2006100641487A patent/CN1996534B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576240A (en) * | 2013-10-17 | 2015-04-29 | Ls产电株式会社 | Trip device for circuit breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102006051423A1 (en) | 2007-06-06 |
| DE102006051423B4 (en) | 2013-03-14 |
| FR2892853B1 (en) | 2008-01-04 |
| FR2892853A1 (en) | 2007-05-04 |
| CN1996534B (en) | 2012-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120613 Termination date: 20171030 |