CN218849399U

CN218849399U - Electric leakage circuit breaker with double indication functions

Info

Publication number: CN218849399U
Application number: CN202223393394.0U
Authority: CN
Inventors: 闫军勇; 管新辉; 雷成军; 吴峰毅; 吴刚; 王亚锋
Original assignee: Gaoneng Gele Electric Co ltd
Current assignee: Gaoneng Gele Electric Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-11
Anticipated expiration: 2032-12-16

Abstract

The utility model relates to a two instruction function's electric leakage circuit breaker, including base, upper cover, framework, operating device, contact frame, moving contact, static contact, electromagnetism release, zero sequence transformer, the framework is gone up to rotate and is provided with operating device's jump and detains linkage complex electric leakage indicating mechanism, and electric leakage indicating mechanism includes electric leakage indicator, retainer, torsional spring, electric leakage indicator one end have and be used for instructing the indicator panel of separating brake or electric leakage, the upper cover correspond indicator panel department and be provided with the pilot hole, the contact frame on the linkage be provided with closing indicator, closing indicator one end red indicator piece has, when electric leakage circuit breaker closes a floodgate, closing red indicator piece along with closing indicator action and can shelter from on closing indicator panel. The utility model has the advantages of simple structure, stable performance are reliable, the assembly is convenient, instruct accurate, two instruction functions.

Description

Electric leakage circuit breaker with double indication functions

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to electric leakage circuit breaker of two indicating function.

Background

The miniature circuit breaker is also called a miniature circuit breaker, is suitable for overload and short-circuit protection of a line with the rated voltage of alternating current 50/60Hz of 230/400V and the rated current of not more than 125A, and can also be used for infrequent operation and conversion of the line under normal conditions. The miniature circuit breaker is mainly used in various places such as industrial, commercial, high-rise and civil houses. The small-sized leakage circuit breaker is a switch which can automatically act when the leakage current in a circuit exceeds a preset value, and can protect the safety of human bodies and electric appliances. The existing small-sized leakage circuit breaker only has a leakage indicating function, and when the main circuit leaks electricity, the leakage indicating piece changes color along with the action of the actuating mechanism, so that the purpose of protecting the circuit is achieved. However, the small residual current circuit breaker does not have an opening and closing indication function, and a user cannot directly observe whether the small circuit breaker is in an opening state or a closing state, so that misoperation is caused, and safety is reduced. Therefore, it is necessary to design a leakage breaker with dual indication functions.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance are reliable, the assembly is convenient, instruct accurate two earth leakage circuit breaker of indicating function.

For realizing above-mentioned mesh, the utility model discloses a two instruction function's electric leakage circuit breaker, including base, the upper cover of setting on the base, set up framework in the base, set up operating device on the framework, with the contact frame of operating device linkage setting, the moving contact of linkage setting on the contact frame, set up in the base and with moving contact matched with static contact, electromagnetic trip ware, zero sequence transformer, the framework on rotate and be provided with operating device's jump and detain linkage complex electric leakage indicating mechanism, electric leakage indicating mechanism including rotate set up on the framework electric leakage indicator, rotate set up on the framework and with jump and detain linkage complex retainer, set up the torsional spring between electric leakage indicator and retainer, electric leakage indicator one end have the indicator board that is used for instructing separating brake or electric leakage, the upper cover on correspond indicator board department and be provided with the instruction hole, the contact frame on the linkage be provided with the combined floodgate indicator, combined floodgate indicator one end have the red indicator piece of combined floodgate, when electric leakage circuit breaker combined floodgate red indicator piece move and can shelter from on the indicator board along with the combined floodgate indicator piece.

The beneficial effect of above-mentioned structure is: the contact frame is provided with a closing indicating piece, and the closing indicating piece moves along with the contact frame, so that closing indication of the closing indicating piece can be realized. When the leakage circuit breaker works, when the leakage circuit breaker is in a brake-off state, the tripping buckle is abutted against the stop piece, and the stop piece drives the leakage indicator to rotate to a brake-off indicating position; when the leakage circuit breaker generates leakage, the jump buckle executes tripping action, the stop piece loses the limit of the jump buckle, the stop piece resets, and the leakage indicator rotates to the leakage indicating position; when the residual current circuit breaker is switched on, the switching-on indicating piece acts along with the contact frame, and the switching-on red indicating piece of the switching-on indicating piece is shielded on the indicating plate, so that the switching-on indication of the residual current circuit breaker can be realized. Therefore, the residual current circuit breaker has the advantages of simple structure, stable and reliable performance, convenience and quickness in assembly, accurate indication and double indication functions.

Particularly, an opening green indicating mark is arranged at one end, close to the closing indicating piece, of the indicating plate, an electric leakage yellow indicating mark is arranged at one end, far away from the closing indicating piece, of the indicating plate, the indicating plate acts along with the stopping piece, and opening indication or electric leakage indication of the indicating plate can be achieved. Be provided with separating brake green index mark, electric leakage yellow index mark on the indicator board to the user can directly observe this electric leakage circuit breaker's operating condition.

Particularly, jump and detain and be provided with stopper matched with gag lever post, stopper one end be provided with gag lever post matched with spacing groove, the gag lever post contradict in the gag lever post, the gag lever post along with jump detain the action and can stir the stopper, and constitute the linkage cooperation of stopper and gag lever post. The jump buckle is provided with a limiting rod used for shifting the stop piece, and the limiting rod can reliably drive the stop piece to act, so that the jump buckle and the stop piece can be more reliably transmitted.

Particularly, a sleeve part is arranged on the electric leakage indicator, a positioning column matched with the sleeve part is arranged on the machine frame, and the positioning column sleeved on the sleeve part forms the rotary connection matching of the electric leakage indicator and the positioning column. The bushing part of electric leakage indicator is nested on the reference column of framework to be convenient for the assembly of electric leakage indicator and framework, and can guarantee that electric leakage indicator can rotate on the reference column in a flexible way, operational reliability is higher.

In particular, the torsion spring is sleeved on the sleeve part, one end of the torsion spring is abutted against the stop piece, and the other end of the torsion spring is abutted against the clamping groove of the leakage indicator. The torsional spring suit is on bushing portion to the assembly of torsional spring and bushing portion, stopper, the assembly is more convenient. And the transmission of the stop piece and the leakage indicator can be ensured to be more reliable.

In particular, the other end of the stop piece is provided with a sleeve part, the mechanism frame is provided with a positioning shaft, and the sleeve part is sleeved on the positioning shaft and forms the rotary connection and matching of the stop piece and the positioning shaft. The sleeve part of the stopping piece is sleeved on the positioning shaft of the mechanism frame, so that the stopping piece and the mechanism frame are convenient to assemble, the assembly is more convenient, the stopping piece can be ensured to reliably rotate on the positioning shaft, and the working reliability of the residual current circuit breaker is improved.

Particularly, the combined floodgate indicator other end insert portion has, the contact frame on correspond insert portion both sides and be provided with the joint groove respectively, insert portion both sides block respectively at the joint inslot, and constitute the joint cooperation of insert portion and contact frame. The closing indicator is provided with the plug piece part clamped on the contact frame, so that the closing indicator and the contact frame are convenient to assemble, and the assembly is more convenient.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention.

Fig. 2 is an exploded view of an embodiment of the present invention.

Fig. 3 is an internal structure diagram of the embodiment of the present invention.

Fig. 4 is an exploded view of the internal structure of the embodiment of the present invention.

Detailed Description

As shown in fig. 1-4, an embodiment of the present invention is an electrical leakage breaker with dual indication functions, including a base 10, an upper cover 11 disposed on the base 10, a mechanism frame 12 disposed in the base 10, an operating mechanism 13 disposed on the mechanism frame 12, a contact frame 14 disposed in linkage with the operating mechanism 13, a moving contact 15 disposed on the contact frame 14 in linkage, a fixed contact 16 disposed in the base 10 and matched with the moving contact 15, an electromagnetic trip 17, and a zero sequence transformer 18, wherein the mechanism frame 12 is provided with a trip catch 131 of the operating mechanism 13 in linkage, the electrical leakage indication mechanism 20 includes an electrical leakage indicator 21 disposed on the mechanism frame 12 in rotation, a stopper 22 disposed on the mechanism frame 12 and matched in linkage with the trip catch 131, and a torsion spring 23 disposed between the electrical leakage indicator 21 and the stopper 22, one end of the electrical leakage indicator 21 has an indicator 211 for indicating open or closed electrical leakage, the upper cover 11 is provided with an indication hole 111 corresponding to the indicator 211, the contact indicator 14 is provided with a closing indicator 24, one end of the electrical leakage indicator 21 has a closing indicator 24, and the electrical leakage indicator 241 has a red closing indicator plate 241 for indicating closing when the electrical leakage indicator is shielded by the electrical leakage indicator. The indicating plate 211 is close to closing indicator 24 one end and is provided with separating brake green sign 2111, the indicating plate 211 keep away from closing indicator 24 one end and be provided with electric leakage yellow sign 2112, the indicating plate 211 move along with stopper 22, and can realize that the separating brake of indicating plate 211 instructs or the electric leakage instructs. Be provided with green indicator mark of separating brake, electric leakage yellow indicator mark on the indicator panel to the user can direct observation this electric leakage circuit breaker's operating condition. The jump buckle 131 is provided with a limit rod 1311 matched with the stop piece 22, one end of the stop piece 22 is provided with a limit groove 221 matched with the limit rod 1311, the limit rod 1311 abuts against the limit groove 221, the limit rod 1311 moves along with the jump buckle 131 and can poke the stop piece 22, and linkage matching of the stop piece 22 and the limit rod 131 is formed. The jump buckle is provided with a limiting rod used for shifting the stop piece, and the limiting rod can reliably drive the stop piece to act, so that the jump buckle and the stop piece can be more reliably transmitted.

As shown in fig. 2 and 4, the leakage indicator 21 is provided with a sleeve portion 212, the mechanism frame 12 is provided with a positioning post 121 matched with the sleeve portion 212, and the positioning post 121 sleeved on the sleeve portion 212 forms a rotating connection and matching between the leakage indicator 21 and the positioning post 121. The bushing part of electric leakage indicator is nested on the reference column of framework to be convenient for the assembly of electric leakage indicator and framework, and can guarantee that electric leakage indicator can rotate on the reference column in a flexible way, operational reliability is higher. The torsion spring 23 is sleeved on the sleeve portion 212, one end of the torsion spring 23 abuts against the stopper 22, and the other end of the torsion spring 23 abuts against the inside of the engaging groove 213 of the leakage indicator 21. The torsional spring suit is on bushing portion to the assembly of torsional spring and bushing portion, stopper, the assembly is more convenient. And the transmission of the stop piece and the leakage indicator can be ensured to be more reliable. The other end of the stopper 22 is provided with a sleeve portion 222, the mechanism frame 12 is provided with the positioning shaft 122, and the sleeve portion 222 is sleeved on the positioning shaft 122 and forms the rotating connection and matching of the stopper 22 and the positioning shaft 122. The sleeve part of the stopping piece is sleeved on the positioning shaft of the mechanism frame, so that the stopping piece and the mechanism frame are convenient to assemble, the assembly is more convenient, the stopping piece can be ensured to reliably rotate on the positioning shaft, and the working reliability of the residual current circuit breaker is improved. The other end of the closing indicator 24 has an insertion piece 242, the contact holder 14 is provided with a clamping groove 141 on the two sides of the insertion piece 242, the two sides of the insertion piece 242 are respectively clamped in the clamping groove 141, and the insertion piece 242 is matched with the contact holder 14 in a clamping manner. The closing indicator is provided with the plug piece part clamped on the contact frame, so that the closing indicator and the contact frame are convenient to assemble, and the assembly is more convenient.

The contact frame is provided with a closing indicating piece, and the closing indicating piece moves along with the contact frame, so that closing indication of the closing indicating piece can be realized. When the leakage circuit breaker works, when the leakage circuit breaker is in a brake-off state, the tripping buckle is abutted against the stop piece, and the stop piece drives the leakage indicator to rotate to a brake-off indicating position; when the leakage circuit breaker generates leakage, the jump buckle executes tripping action, the stop piece loses the limit of the jump buckle, the stop piece resets, and the leakage indicator rotates to the leakage indicating position; when the residual current circuit breaker is switched on, the switching-on indicating piece acts along with the contact frame, and the switching-on red indicating piece of the switching-on indicating piece is shielded on the indicating plate, so that the switching-on indication of the residual current circuit breaker can be realized. Therefore, the residual current circuit breaker has the advantages of simple structure, stable and reliable performance, convenience and quickness in assembly, accurate indication and double indication functions.

Claims

1. The utility model provides a two instruction function's electric leakage circuit breaker, includes the base, set up upper cover on the base, set up the framework in the base, set up operating device on the framework, with the contact frame of operating device linkage setting, the moving contact of linkage setting on the contact frame, set up in the base and with moving contact matched with static contact, electromagnetism release, zero sequence transformer, its characterized in that: the mechanism frame on rotate and be provided with operating device's jump and detain linkage complex electric leakage indicating mechanism, electric leakage indicating mechanism including rotate set up on the framework electric leakage indicator, rotate set up on the framework and with jump detain linkage complex retainer, set up the torsional spring between electric leakage indicator and retainer, electric leakage indicator one end have the indicator panel that is used for instructing separating brake or electric leakage, the upper cover on correspond indicator panel department and be provided with the pilot hole, the contact frame on the linkage be provided with closing indicator, closing indicator one end the red indicator piece that closes a floodgate has, when electric leakage circuit breaker closes a floodgate, the red indicator piece that closes a floodgate move and can shelter from on the indicator panel along with closing indicator.

2. A double indication function residual current circuit breaker according to claim 1, characterized in that: the indicating plate is provided with green indicating sign of separating brake near closing indicator one end, the indicating plate keep away from closing indicator one end and be provided with the yellow indicating sign of electric leakage, the indicating plate move along with the stopper, and can realize the separating brake of indicating plate and instruct or the electric leakage is instructed.

3. A residual current circuit breaker with double indication function as claimed in claim 1 or 2, characterized in that: jump and detain and be provided with stopper matched with gag lever post, stopper one serve be provided with gag lever post matched with spacing groove, the gag lever post contradict at the spacing inslot, the gag lever post along with jump detain the action and can stir the stopper, and constitute the linkage cooperation of stopper and gag lever post.

4. A double indication function residual current circuit breaker according to claim 1 or 2, characterized in that: the electric leakage indicator is provided with a sleeve part, the machine frame is provided with a positioning column matched with the sleeve part, and the positioning column sleeved on the sleeve part forms the rotary connection matching of the electric leakage indicator and the positioning column.

5. A double indication function residual current circuit breaker according to claim 4, characterized in that: the torsion spring is sleeved on the sleeve portion, one end of the torsion spring is abutted to the stop piece, and the other end of the torsion spring is abutted to the clamping groove of the electric leakage indicating piece.

6. A double indication function residual current circuit breaker according to claim 1 or 2, characterized in that: the other end of the stopper is provided with a sleeve part, the mechanical framework is provided with a positioning shaft, and the sleeve part is sleeved on the positioning shaft and forms the rotating connection and matching of the stopper and the positioning shaft.

7. A double indication function residual current circuit breaker according to claim 1 or 2, characterized in that: the combined floodgate indicator other end insert portion has, the contact frame on correspond insert portion both sides and be provided with the joint groove respectively, insert portion both sides block respectively in the joint inslot, and constitute the joint cooperation of insert portion and contact frame.