CN220189541U

CN220189541U - Leakage circuit breaker with test button device

Info

Publication number: CN220189541U
Application number: CN202321493881.6U
Authority: CN
Inventors: 周维峰; 林凯; 胡广召
Original assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Current assignee: WENZHOU AOELEC ELECTRICAL CO Ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-12-15
Anticipated expiration: 2033-06-12

Abstract

The utility model relates to an electric leakage breaker, in particular to an electric leakage breaker with a test button device. The technical scheme adopted by the utility model is as follows: an electric leakage breaker with a test button device, which is characterized in that: the test button device comprises a deflector rod, a first electric connecting sheet, a second electric connecting sheet, an electricity taking elastic sheet, a torsion spring and a button, wherein the electricity taking elastic sheet is bent and arranged in the second area to form a first connecting arm and a second connecting arm; the utility model provides a novel test button device on an electric leakage breaker, which has a simple structure, can be arranged beside a handle and can uniformly stress the elastic force of the button.

Description

Leakage circuit breaker with test button device

Technical Field

The utility model relates to an electric leakage breaker, in particular to an electric leakage breaker with a test button device.

Background

The test button on the leakage breaker is very important, and the purpose of the test button is to test whether the leakage breaker can work normally or not, and the conventional test button has problems such as left-right deflection or up-down deflection in the positioning direction.

The applicant has previously filed a similar patent, with the patent number CN201820086769.3, and the technical manner of the patent is a test button device on an earth leakage breaker, which is characterized in that: including casing, button, get electric torsional spring and conducting strip, the button sets up on the casing, stretches out in the through-hole of casing from the top of button, in the casing is arranged in to the below of button, be provided with the projection on the casing, get electric torsional spring including torsion spring, first extension arm and second extension arm, torsion spring snare joint is on the projection, and the below of button is arranged in to first extension arm, be provided with chute and cross slot on the casing, the chute link up the setting with the cross slot, the conducting strip is including hypotenuse, horizontal limit and perpendicular limit, and wherein perpendicular limit and hypotenuse are located the both ends of horizontal limit, and horizontal limit and hypotenuse are located cross slot and chute respectively, and the hypotenuse top of conducting strip extends from the chute and forms to press the contact end, should press the contact end and get the corresponding setting of first extension arm of electric torsional spring, press the button press first extension arm push down the back and press the contact end realize the electricity with pressing contact end and be connected. The above-mentioned scheme only can set up the button in one side of the motion mode of circuit breaker handle, the first extension arm of torsional spring can contradict in the middle part of button below like this, the elasticity that makes the button receive is more even, be difficult to appear controlling skew or atress inhomogeneous problem, and just unsuitable to the circuit breaker that needs to set up the button at circuit breaker handle side, the circuit breaker is because function and structure are different, the both ends of the handle direction of travel of some circuit breakers do not have the space setting test button owing to the structure restriction, just so need set up the button at the handle side this moment, because get the electric piece and not be in the centre below of button this moment, the elasticity that so the button received will appear the skew, influence the operation of button, reduce the life of button.

Disclosure of Invention

The utility model overcomes the defects of the prior art, and provides the novel test button device on the residual current circuit breaker, which has a simple structure, can be arranged beside the handle and can uniformly stress the elastic force of the button.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a take electric leakage circuit breaker of experimental button device, includes the casing, the casing is provided with three region through the baffle, and first region is provided with L utmost point moving contact mechanism, handle operating device, release and explosion chamber, the second region is provided with N utmost point moving contact mechanism, the third region is provided with electric leakage release and test circuit, three region set up side by side respectively, and the second region is located in the middle of, its characterized in that: the third area and the second area are provided with test button devices, each test button device comprises a deflector rod, a first electric connecting piece, a second electric connecting piece, an electricity taking elastic piece, a torsion spring and a button, wherein the deflector rods, the first electric connecting piece and the second electric connecting piece are located in the second area, the deflector rods are fixedly or integrally arranged on a movable contact seat of the N pole movable contact mechanism, the inner wall of the shell located in the second area is provided with a clamping groove, the first electric connecting piece and the second electric connecting piece are respectively fixedly arranged on the clamping groove, the electricity taking elastic piece is bent and arranged in the second area to form a first connecting arm and a second connecting arm, the first connecting arm corresponds to the deflector rods, the deflector rods push the first connecting arm to be bent to be contacted with the first electric connecting piece when the leakage circuit breaker is closed, the first connecting arm is disconnected with the first electric connecting piece under the action of self elasticity when the leakage circuit breaker is opened, the second connecting arm is in conflict with one side of the bottom of the button, the torsion spring is arranged in the third area of the shell, the first elastic arm of the torsion spring is in conflict with the bottom of the button, the other side of the button is in conflict with the second connecting arm, and the first elastic arm of the second connecting arm is in the action of the first elastic arm is protruding outside the shell.

Through adopting above-mentioned scheme, can set up the button in the side of handle, the demand of installation can be satisfied to the rational in infrastructure of whole circuit breaker like this, first linking arm is through dialling the pole to its control in addition, get the electricity shell fragment uncharged when fine realization circuit breaker breaking, just can be electrified after the combined floodgate, increase the security of product, because the button sets up in the one time of handle, so first linking arm can only contradict in one side of button, realize the homogeneity to the button elasticity through increasing the torsional spring, it is more reasonable that the button uses, unilateral friction can not appear in addition, the life of extension button.

The utility model is further provided with the following steps: the test button device further comprises a wire, one end of the wire is connected with a test loop circuit board of the circuit breaker, the other end of the wire is electrically connected with a torsion spring second elastic arm, and the second elastic arm extends to a second area to be abutted against the second connecting arm so as to realize that the second connecting arm is electrically connected with the wire.

Through the connection of wire and second elastic arm, the wire is uncharged like this when the wire also can realize the circuit breaker breaking, just can be electrified after the combined floodgate, increase the security of product, the wire passes through the second elastic arm and is connected with the second linking arm in addition, do not need to be connected through welding and second linking arm like this, because the second linking arm often will be pressed crooked by the button, adopt welded mode can damage the second linking arm, influence life, this patent adopts to support the pressure mode and realizes that the electricity is connected, it is more convenient to install and use.

The utility model is still further provided with: the button bottom extends and is provided with the baffle, forms spacing space between baffle and the shells inner wall, in this spacing space is arranged in to the second linking arm, the baffle below is provided with guiding hole or groove, be provided with the boss on the first electric connection piece, realize spacing to the button motion in the guiding groove is arranged in to this boss, the press part below of button is provided with the chimb, and this chimb prevents with the cooperation of casing medial surface that the button breaks away from.

Through adopting above-mentioned scheme, setting up of button can be fine limit the second linking arm in this position, fine prevent the removal of linking arm, influence the performance of product, the setting of guiding hole or groove can realize the direction setting through boss and guiding hole or the groove of first electric connection piece, and the button removes more firmly like this, and the chimb setting prevents that the button from breaking away from the casing promptly, can have the security of sheltering from the gap when increasing the product operation again.

The final settings of the utility model are: the utility model discloses a portable electronic device, including casing, button, torsion spring, wire, second elastic arm, button, be provided with the pilot lamp in the third region of casing, the pilot lamp is located the button below, the button is made for transparent material, and the light of pilot lamp can be followed the button and is penetrated, be provided with the round pin axle in the third region of casing, torsion spring cover is established at the round pin epaxially, the wire is in the same place through the metal ring cup joint with the tip of second elastic arm, and the second elastic arm is through the metal ring conflict realization second linking arm and the electrical connection of wire on the lower bottom surface of second linking arm.

Through adopting above-mentioned scheme, can increase the instruction function of product, the wire passes through the metal ring to be connected in addition, simple to operate like this, contradict also can be smooth between the second linking arm in addition, be difficult to wearing and tearing.

The utility model is further described below with reference to the accompanying drawings.

Drawings

FIG. 1 is a perspective view of an embodiment of the present utility model;

FIG. 2 is a block diagram of an embodiment of the present utility model reflecting a first region;

FIG. 3 is a block diagram of an embodiment of the present utility model reflecting a second region;

FIG. 4 is a block diagram of an embodiment of the present utility model reflecting a third region;

FIG. 5 is a block diagram of an embodiment of the present utility model reflecting the engagement of the torsion spring and the button;

FIG. 6 is a diagram illustrating a cooperation of a lever and a first connecting arm during closing according to an embodiment of the present utility model;

FIG. 7 is a schematic diagram of a structure reflecting uniform stress of a button according to an embodiment of the present utility model;

FIG. 8 is a schematic diagram showing a structure of the first connecting arm disconnected from the first electrical connecting piece after opening the switch according to the embodiment of the present utility model;

FIG. 9 is a schematic diagram of an embodiment of the present utility model reflecting the connection of torsion springs to wires;

FIG. 10 is a perspective view of a button according to an embodiment of the present utility model;

FIG. 11 is a schematic diagram of a structure reflecting a limit space according to an embodiment of the present utility model;

FIG. 12 is a block diagram of an embodiment of the utility model reflecting the cooperation of a boss and a guide slot.

Detailed Description

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

As shown in fig. 1 to 12, an earth leakage breaker with test button device, comprising a casing 1, where the casing 1 is not a single finger casing, but includes a partition board and other parts connected to the casing, the casing 1 is provided with three areas through the partition board, where the three areas are not required to be completely independent, may be equally penetrated in some positions, are a relative concept, and are mainly aimed at separating each function from each other, and are convenient to install and connect, a first area a is provided with an L-pole moving contact mechanism, a handle operating mechanism, a tripper and an arc extinguishing chamber, a second area B is provided with an N-pole moving contact mechanism, a third area C is provided with an earth leakage tripper and a test circuit, the three areas are respectively arranged in parallel, and a second area B is located in the middle, and the above technical features are also found in the prior art, in this embodiment, the third area C and the second area B are provided with a test button device 2, which includes a driving lever 21, a first electric connecting piece 221, a second electric connecting piece 222, a power taking spring piece 23, a torsion spring 25, and a button 24, where the driving lever 21, the first electric connecting piece 221, the second electric connecting piece 222, and the power taking spring piece 23 are located in the second area B, the driving lever 21 is fixed or integrally disposed on the moving contact seat 3 of the N-pole moving contact mechanism, the inner wall of the housing 1 located in the second area B is provided with a clamping groove, the first electric connecting piece 221 and the second electric connecting piece 222 are respectively fixed on the clamping groove, the power taking spring piece 23 is bent and disposed in the second area B to form a first connecting arm 231 and a second connecting arm 232, where the first connecting arm 231 corresponds to the driving lever 21, when the electric leakage breaker is switched on, the deflector rod 21 pushes the first connecting arm 231 to bend so as to be in contact with the first electric connecting sheet 221, when the electric leakage breaker is switched off, the deflector rod 21 resets, at the moment, the first connecting arm 231 is disconnected with the first electric connecting sheet 221 under the action of elasticity of the deflector rod, the second connecting arm 232 is abutted against one side of the bottom of the push button 24, the torsion spring 25 is arranged in the third area C of the shell 1, the first elastic arm 251 of the torsion spring 25 is abutted against the other side of the bottom of the push button 24, which is abutted against the second connecting arm 232, and the push button 24 is protruded outwards of the shell 1 under the action of the second connecting arm 232 and the first elastic arm 251. By adopting the above scheme, the button 24 can be arranged on the side of the handle, so that the whole breaker is reasonable in structure, the installation requirement can be met, in addition, the first connecting arm 231 is controlled by the deflector rod 21, the electric spring piece 23 is not electrified when the breaker is switched off, the electric spring piece 23 can be electrified after switching on, the safety of a product is improved, and the button 24 is arranged on one side of the handle, so that the first connecting arm 231 can only abut against one side of the button 24, the elasticity of the button 24 is uniform by increasing the torsion spring 25, the button 24 is more reasonable to use, single-side friction cannot occur, and the service life of the button 24 is prolonged.

In this embodiment of the present utility model, the test button device further includes a wire 26, one end of the wire 26 is connected to the test circuit board of the circuit breaker, the other end of the wire 26 is electrically connected to the second elastic arm 252 of the torsion spring 25, and the second elastic arm 252 extends to the second area B to abut against the second connecting arm 232 to electrically connect the second connecting arm 232 to the wire 26. Through the connection of wire 26 and second elastic arm 252, wire 26 can also realize that wire 26 is uncharged when the circuit breaker breaks the floodgate like this, just can be electrified after the combined floodgate, increase the security of product, wire 26 is connected with second linking arm 232 through second elastic arm 252 in addition, need not be connected with second linking arm 232 through the welding like this, because second linking arm 232 often will be pressed crooked by button 24, adopt welded mode can damage second linking arm 232, influence life, this patent adopts to support the mode and realizes the electricity and connect, it is more convenient to install and use.

In the embodiment of the utility model, a partition plate 241 is arranged at the bottom of the button 24 in an extending manner, a limiting space 242 is formed between the partition plate 241 and the inner wall of the shell 1, the second connecting arm 232 is arranged in the limiting space 242, the button 24 can well limit the second connecting arm 232 at the position, the movement of the connecting arm 232 is well prevented from being influenced, a guide hole or a groove 2411 is arranged below the partition plate 241, a boss is arranged on the first electric connecting sheet 221, the boss is arranged in the guide groove 2411 to limit the movement of the button 24, a convex edge 243 is arranged below the pressing part of the button 24, and the convex edge 243 is matched with the inner side surface of the shell 1 to prevent the button from being separated; the arrangement of the guide hole or groove 2411 can be realized by the boss of the first electric connection piece 221 and the guide hole or groove 2411, so that the button 24 moves more stably, the convex edge 243 is arranged to prevent the button 24 from separating from the casing 1, and a shielding gap can be provided to increase the safety of the product during operation.

In the embodiment of the present utility model, an indicator light 4 is disposed in the third area C of the housing 1, the indicator light 4 is located below the button 24, the button 24 is made of a transparent material, light rays of the indicator light 4 can be transmitted from the button 24, a pin shaft is disposed in the third area C of the housing 1, a torsion spring 25 is sleeved on the pin shaft, the end portions of the wire 26 and the second elastic arm 252 are sleeved together through a metal ring, and the second elastic arm 252 abuts against the lower bottom surface of the second connecting arm 232 through the metal ring to realize electrical connection between the second connecting arm 232 and the wire 26; by adopting the scheme, the indication function of the product can be increased, in addition, the lead 26 is connected through the metal ring, so that the installation is convenient, in addition, the contact with the second connecting arm 232 is smooth, and the abrasion is not easy.

The above embodiments are only preferred embodiments of the present utility model, and common variations and substitutions by those skilled in the art within the scope of the technical solution of the present utility model are included in the scope of the present utility model.

Claims

1. The utility model provides a take electric leakage circuit breaker of experimental button device, includes the casing, the casing is provided with three region through the baffle, and first region is provided with L utmost point moving contact mechanism, handle operating device, release and explosion chamber, and the second region is provided with N utmost point moving contact mechanism, and the third region is provided with electric leakage release and test circuit, three region set up side by side respectively, and the second region is located in the middle of its characterized in that: the third area and the second area are provided with test button devices, each test button device comprises a deflector rod, a first electric connecting piece, a second electric connecting piece, an electricity taking elastic piece, a button, a torsion spring and a button, wherein the deflector rod, the first electric connecting piece, the second electric connecting piece and the electricity taking elastic piece are located in the second area, the deflector rod is fixedly or integrally arranged on a movable contact seat of the N pole movable contact mechanism, the inner wall of the shell located in the second area is provided with a clamping groove, the first electric connecting piece and the second electric connecting piece are respectively fixedly arranged on the clamping groove, the electricity taking elastic piece is bent and arranged in the second area to form a first connecting arm and a second connecting arm, the first connecting arm corresponds to the deflector rod, the deflector rod pushes the first connecting arm to be bent to be contacted with the first electric connecting piece when the leakage circuit breaker is closed, the deflector rod resets the first connecting arm to be disconnected with the first electric connecting piece under the action of self elasticity when the leakage circuit breaker is opened, the second connecting arm is propped against one side of the bottom of the button, the shell is arranged in the third area, the first elastic arm of the torsion spring is propped against the other side of the button bottom relative to the second connecting arm, and the first elastic arm of the torsion spring is protruded outside the shell.

2. The earth leakage breaker with test button device according to claim 1, wherein: the test button device further comprises a wire, one end of the wire is connected with a test loop circuit board of the leakage circuit breaker, the other end of the wire is electrically connected with a torsion spring second elastic arm, and the second elastic arm extends to a second area to be abutted against the second connecting arm so as to realize that the second connecting arm is electrically connected with the wire.

3. The earth leakage breaker with test button device according to claim 1 or 2, characterized in that: the button bottom extends and is provided with the baffle, forms spacing space between baffle and the shells inner wall, in this spacing space is arranged in to the second linking arm, the baffle below is provided with guiding hole or groove, be provided with the boss on the first electric connection piece, realize spacing to the button motion in the guiding groove is arranged in to this boss, the press part below of button is provided with the chimb, and this chimb prevents with the cooperation of casing medial surface that the button breaks away from.

4. The earth leakage breaker with test button device according to claim 1 or 2, characterized in that: an indicator lamp is arranged in a third area of the shell, the indicator lamp is located below the button, the button is made of transparent materials, light rays of the indicator lamp can penetrate out of the button, a pin shaft is arranged in the third area of the shell, and a torsion spring is sleeved on the pin shaft.

5. The earth leakage breaker with test button device according to claim 3, wherein: the utility model discloses a high-voltage power supply, including casing, button, torsion spring cover, second elastic arm, button, pilot lamp, button, torsion spring cover and wire, be provided with the pilot lamp in the third region of casing, the pilot lamp is located the button below, the button is made for transparent material, the light of pilot lamp can be followed the button and is penetrated, be provided with the round pin axle in the third region of casing, torsion spring cover is established at the round pin epaxial, the wire in the electric leakage circuit breaker is in the same place through the metal ring cup joint with the tip of second elastic arm, the second elastic arm is through the metal ring conflict on the lower bottom surface of second linking arm realization second linking arm and wire's electricity connection.