阅读说明：本技术 一种插座用立式四银点脱扣通断装置 (Vertical four-silver-point tripping on-off device for socket ) 是由 郭龙秋 宋刚 陈彬 陈恒 于 2021-08-27 设计创作，主要内容包括：本发明公开一种插座用立式四银点脱扣通断装置,其包括：线圈骨架,其下部缠绕有漆包线,其上部的相对两侧分别固定设置一永磁铁；轭铁,设置于线圈骨架下端的两侧且位于漆包线的外侧；压簧,设置于线圈骨架的上部且位于永磁铁的上方；平衡架,与线圈骨架的连接部设置于线圈骨架的上端且位于压簧的上方,其远离线圈骨架的支架部包括4个压簧卡位,每个压簧卡位设置一银点压簧,每个银点压簧的下端设置一动触片,每个动触片的下方铆接一圆头银点；双卡止挡,设置于线圈骨架的上方且与轭铁咬合；平衡架与线圈骨架的连接部为可活动式,平衡架内嵌衔铁,衔铁通过外部电路控制漆包线内的电流方向以产生电磁感应带动平衡架上下运动。(The invention discloses a vertical four-silver-point tripping on-off device for a socket, which comprises: the coil framework is wound with enameled wires at the lower part, and permanent magnets are fixedly arranged at two opposite sides of the upper part of the coil framework respectively; the yoke irons are arranged on two sides of the lower end of the coil framework and positioned on the outer sides of the enameled wires; the compression spring is arranged at the upper part of the coil framework and is positioned above the permanent magnet; the balance frame is arranged at the upper end of the coil framework and positioned above the pressure springs, the support part of the balance frame, which is far away from the coil framework, comprises 4 pressure spring screens, each pressure spring screen is provided with a silver point pressure spring, the lower end of each silver point pressure spring is provided with a movable contact spring, and a round-head silver point is riveted below each movable contact spring; the double-clamp stop is arranged above the coil framework and meshed with the yoke iron; the connecting portion of balancing stand and coil skeleton is mobilizable formula, and embedded armature of balancing stand, armature pass through the interior current direction of external circuit control enameled wire in order to produce electromagnetic induction drive balancing stand up-and-down motion.)

1. The utility model provides a socket is with vertical four silver point dropout on-off device which characterized in that includes:

the coil comprises a coil framework, wherein an enameled wire is wound on the lower part of the coil framework, two ends of the enameled wire are connected with an external control circuit, and two opposite sides of the upper part of the coil framework are respectively fixedly provided with a permanent magnet;

the yoke irons are arranged on two sides of the lower end of the coil framework and positioned on the outer side of the enameled wire;

the compression spring is arranged at the upper part of the coil framework and is positioned above the permanent magnet;

the connection part of the balance frame and the coil framework is arranged at the upper end of the coil framework and is positioned above the pressure springs, the support part of the balance frame, which is far away from the coil framework, comprises 4 pressure spring clamping positions, each pressure spring clamping position is provided with a silver point pressure spring, the lower end of each silver point pressure spring is provided with a movable contact spring, and a round-head silver point is riveted below each movable contact spring; and

the double-clamp stop is arranged above the coil framework and meshed with the yoke iron;

the balance frame and the connecting part of the coil framework are movable, an armature is embedded in the balance frame, and the armature controls the current direction in the enameled wire through an external circuit to generate electromagnetic induction to drive the balance frame to move up and down.

2. The vertical four-point trip on-off device according to claim 1, wherein 4 said rounded-head silver points are on the same horizontal plane.

3. The vertical four-silver-point tripping on-off device according to claim 1, wherein the armature controls the current direction in the enameled wire through an external circuit to generate electromagnetic induction to drive the balancing stand to move up and down specifically:

when the balance frame is driven to move upwards, the balance frame drives the 4 round-head silver points to be away from the corresponding flat-head silver points arranged on the PCB in the socket at the same time so as to form open circuits between the 4 round-head silver points and the corresponding flat-head silver points;

when the balance frame is driven to move downwards, the balance frame drives the 4 round-head silver points to respectively flexibly contact with the corresponding flat-head silver points on the PCB in the socket so as to form a passage between the 4 round-head silver points and the corresponding flat-head silver points.

4. The vertical four-silver-point tripping on-off device according to claim 3, wherein the flexible contact between the round-head silver point and the flat-head silver point is realized by controlling the contact pressure between the round-head silver point and the flat-head silver point through the silver point pressure spring.

5. The vertical four-point trip on-off device according to claim 1, wherein two of said round-headed silver points on said gimbal are wired to the live input and the other two are wired to the neutral input.

Technical Field

The invention relates to the technical field of electrical equipment, in particular to a vertical four-silver-point tripping on-off device for a socket.

Background

At present, in the market of low-voltage electrical equipment, a tripping on-off mechanism in a leakage protection socket generally adopts a pull rod type structure, namely, an action mechanism at least comprises a pull rod which is used for pulling a movable contact to drive the movable contact to be in contact with a fixed point and then to be connected with a power supply. The pull rod type structure generally comprises a locking plate used for supporting a balance block for supporting the movable contact piece, and after the locking plate is pulled out of the balance block by the armature, the movable contact piece is separated from the static contact under the self elasticity, so that the power supply is cut off. However, the tripping on-off mechanism with a pull rod structure has poor mechanical shock vibration resistance and low sensitivity, and is difficult to meet the requirement of high delay inverse time limit characteristic.

Disclosure of Invention

In order to solve the problems, the invention provides a vertical four-silver-point tripping on-off device for a socket, which adopts an elastic four-silver-point structure at a balancing stand, wherein the four silver points are mutually independent and are used for realizing flexible contact of a plug holder and a matched silver point on a load end, so that good contact with the matched silver point can be ensured, and contact pressure can also be ensured. In addition, in the aspect of application of the circuit breaker, two groups of circuits can be controlled simultaneously, so that on-off control of one input circuit corresponding to two output circuits is realized.

In order to achieve the above object, the present invention provides a vertical four-silver-point tripping on-off device for a socket, comprising:

the coil comprises a coil framework, wherein an enameled wire is wound on the lower part of the coil framework, two ends of the enameled wire are connected with an external control circuit, and two opposite sides of the upper part of the coil framework are respectively fixedly provided with a permanent magnet;

the yoke irons are arranged on two sides of the lower end of the coil framework and positioned on the outer side of the enameled wire;

the compression spring is arranged at the upper part of the coil framework and is positioned above the permanent magnet;

the connection part of the balance frame and the coil framework is arranged at the upper end of the coil framework and is positioned above the pressure springs, the support part of the balance frame, which is far away from the coil framework, comprises 4 pressure spring clamping positions, each pressure spring clamping position is provided with a silver point pressure spring, the lower end of each silver point pressure spring is provided with a movable contact spring, and a round-head silver point is riveted below each movable contact spring; and

the double-clamp stop is arranged above the coil framework and meshed with the yoke iron;

the balance frame and the connecting part of the coil framework are movable, an armature is embedded in the balance frame, and the armature controls the current direction in the enameled wire through an external circuit to generate electromagnetic induction to drive the balance frame to move up and down.

In an embodiment of the invention, 4 of the round-head silver dots are positioned on the same horizontal plane.

In an embodiment of the present invention, the step of controlling, by the armature through an external circuit, a current direction in the enameled wire to generate electromagnetic induction to drive the balancing stand to move up and down includes:

when the balance frame is driven to move upwards, the balance frame drives the 4 round-head silver points to be away from the corresponding flat-head silver points arranged on the PCB in the socket at the same time so as to form open circuits between the 4 round-head silver points and the corresponding flat-head silver points;

when the balance frame is driven to move downwards, the balance frame drives the 4 round-head silver points to respectively flexibly contact with the corresponding flat-head silver points on the PCB in the socket so as to form a passage between the 4 round-head silver points and the corresponding flat-head silver points.

In an embodiment of the invention, two of the 4 silver points on the balance weight are connected to the live input end through wires, and the other two silver points are connected to the neutral input end through wires.

In an embodiment of the present invention, the flexible contact between the round-head silver point and the flat-head silver point is specifically that the round-head silver point controls a contact pressure between the round-head silver point and the flat-head silver point through the silver point pressure spring.

Compared with the prior art, the vertical four-silver-point tripping on-off device for the socket at least has the following advantages:

1) the round-head silver points and the flat-head silver points are conducted in a flexible contact mode, so that good contact can be ensured, and contact pressure can be ensured;

2) as the on-off device, two groups (two pairs of L, N) of circuits can be controlled simultaneously, and on-off control of one input circuit corresponding to two output circuits can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a trip on-off device according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a trip on/off device according to an embodiment of the present invention;

fig. 3 is another cross-sectional view of the trip switching device according to an embodiment of the present invention;

fig. 4 is a schematic view of the trip on-off device of the present invention contacting with a silver flush point on a circuit board;

fig. 5 is a schematic circuit diagram of the trip on-off device and the silver flush points on the circuit board according to an embodiment of the present invention;

description of reference numerals: 1-a balancing stand; 2-a coil skeleton; 3-a yoke iron; 4-round head silver dots; 5-moving contact piece; 6-double-clamp stop; 7-a permanent magnet; 8-pressure spring; 9-silver point compression spring; 10-enameled wire; 401-round head silver dots; 402-silver flush points; 403-PCB board; 501-round head silver dots; 502-silver flush points.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.

Example one

Fig. 1 is a schematic perspective view of a trip on-off device according to an embodiment of the present invention, fig. 2 is a cross-sectional view of the trip on-off device according to the embodiment of the present invention, fig. 3 is another cross-sectional view of the trip on-off device according to the embodiment of the present invention, and as shown in fig. 1 to fig. 3, the embodiment provides a vertical four-silver-point trip on-off device for a socket, which includes:

the coil comprises a coil framework (2), wherein an enameled wire (10) is wound on the lower part of the coil framework (2), two ends of the enameled wire (10) are connected with an external control circuit, and permanent magnets (7) are respectively fixedly arranged on two opposite sides of the upper part of the coil framework (2);

the yoke irons (3) are arranged on two sides of the lower end of the coil framework (2) and are positioned on the outer side of the enameled wires (10);

the compression spring (8) is arranged at the upper part of the coil framework (2) and is positioned above the permanent magnet (7);

the coil frame comprises a balance frame (1), wherein a connecting part of the balance frame (1) and a coil frame (2) is arranged at the upper end of the coil frame (2) and is positioned above a pressure spring (8), a support part of the balance frame (1) far away from the coil frame (2) comprises 4 pressure spring clamping positions, each pressure spring clamping position is provided with a silver point pressure spring (9), the lower end of each silver point pressure spring (9) is provided with a movable contact spring (5), and a round-head silver point (4) is riveted below each movable contact spring (5); and

the double-clamp stop (6) is arranged above the coil framework (2) and is meshed with the yoke (3);

wherein, the connecting portion of gimbal (1) and coil skeleton (2) are mobilizable formula, the embedded armature of gimbal (1), armature can drive gimbal (1) up-and-down motion in order to produce electromagnetic induction through the current direction in external circuit control enameled wire (10).

In the embodiment, 4 round-head silver dots (4) are positioned on the same horizontal plane.

Fig. 4 is a schematic view illustrating a trip on-off device contacting with a silver tack point on a circuit board according to an embodiment of the present invention, as shown in fig. 4, in this embodiment, controlling a current direction in an enameled wire by an external circuit to generate an electromagnetic induction to drive a balancing stand to move up and down specifically includes:

when the balance frame is driven to move upwards, the balance frame drives 4 round-head silver points (401) to simultaneously keep away from corresponding flat-head silver points (402) arranged on a Printed Circuit Board (PCB) Board (403) in the socket, so that open circuits are formed between the 4 round-head silver points (401) and the corresponding flat-head silver points (402);

when the balance frame is driven to move downwards, the balance frame drives the 4 round-head silver dots (401) to be in flexible contact with the corresponding flat-head silver dots (402) on the PCB (403) in the socket respectively so as to enable the 4 round-head silver dots (401) and the corresponding flat-head silver dots (402) to form a passage.

In this embodiment, the flexible contact between the round-head silver point (401) and the flat-head silver point (402) is specifically that the round-head silver point (401) controls the contact pressure between the round-head silver point (401) and the flat-head silver point (403) through the silver point pressure spring, so that the contact resistance is ensured to be small, and the requirement of a temperature rise test is met.

Fig. 5 is a schematic circuit diagram of the trip on-off device and the silver button on the circuit board according to an embodiment of the present invention, as shown in fig. 5, in this embodiment, two of the 4 silver buttons (501) on the balance rack are connected to the live input terminal (Lin) through a conducting wire, and the other two are connected to the neutral input terminal (Nin) through a conducting wire.

Wherein, in this embodiment, two of the 4 flush silver points (502) on the PCB are taken as the socket conducting silver points, and the other two are taken as the load terminal conducting silver points as an example,

when the enameled wire is electrified to enable the armature iron embedded in the balancing stand to drive the balancing stand to move upwards under the action of electromagnetic induction, the 4 round-head silver points (501) are simultaneously far away from the 4 flat-head silver points (502), so that the 4 round-head silver points (501) and the 4 flat-head silver points (502) are in a circuit breaking state, and no current passes through;

when the enameled wire is electrified, the armature embedded in the balancing stand drives the balancing stand to move downwards under the action of electromagnetic induction, the 4 round-head silver points (501) move downwards simultaneously and are in flexible contact with the 4 flat-head silver points (502) respectively, so that the two round-head silver points (501) connected to the live wire input end (Lin) are conducted with one of the flat-head silver points (502) serving as plug-in grip conduction silver points and one of the flat-head silver points (502) serving as load end conduction silver points respectively, namely the plug-in grip live wire output end (Lout1) and the load end live wire output end (Lout2) are conducted respectively; similarly, two round-head silver points (501) connected to the zero line input end (Nin) are respectively conducted with another flat-head silver point (502) used as a plug-in connection silver point and another flat-head silver point (502) used as a load end connection silver point, namely, the plug-in connection zero line output end (Nout1) and the load end zero line output end (Nout2) are respectively conducted.

This embodiment drives 4 button head contacts simultaneously downward motion and respectively with insert the contact of holding, load end through the embedded armature of balancing stand under electromagnetic induction, and the disconnection when upward motion simultaneously to realize the simultaneous control two sets of button head silver point (a pair of L, N is a set of) respectively with insert the L, N break-make of holding, load end, in order to realize that an input circuit corresponds two output circuit's on-off control. In addition, the contact mode of the flexible contact of the round-head silver points can ensure that the round-head silver points are in good contact with the flat-head silver points, and meanwhile, the contact pressure is ensured.

Example two

Referring to fig. 1 to 3 again, the installation process of each component of the vertical four-silver-point trip on-off device for the socket in this embodiment is described as follows:

winding an enameled wire (10) on the lower part of the coil framework (2), and respectively installing permanent magnets (7) on two opposite sides of the upper part of the coil framework (2);

yoke irons (3) are arranged on two sides of the lower end of the coil framework (2) and on the outer side of the enameled wire (10), a pressure spring (8), a balance frame (1) and a double-clamping stop (6) are sequentially arranged on the upper end of the coil framework (2), and the double-clamping stop (6) and the yoke irons (3) are occluded and fixed;

riveting each round-head silver point (4) to the corresponding movable contact piece (5) respectively, and clamping each movable contact piece (5) at a pressure spring clamping position of the balance frame (1) through a silver point pressure spring (9);

the enameled wire (10) is connected with an external circuit, the current direction of the enameled wire (10) is controlled through the external circuit, the balance frame (1) is controlled to move up and down, an embedded armature in the balance frame (1) can be magnetized by a magnet, the permanent magnet (7) is used for keeping the balance frame (1) fixed at two positions, the four round-head silver points (4) are in contact with contacts on a plug holder and a load end, even if installation errors exist, the round-head silver points can be in contact with the flat-head silver points through the silver point pressure spring (9), meanwhile, the contact pressure between the round-head silver points and the flat-head silver points is guaranteed, and the two points are guaranteed to be in a connection state.

According to the vertical four-silver-point tripping on-off device for the socket, the round-head silver points and the flat-head silver points are conducted in a flexible contact mode, so that good contact can be guaranteed, and contact pressure can be guaranteed at the same time. Meanwhile, as an on-off device, two groups (two pairs of L, N) of circuits can be controlled simultaneously, and on-off control of one input circuit corresponding to two output circuits can be realized.

Those of ordinary skill in the art will understand that: the figures are merely schematic representations of one embodiment, and the blocks or flow diagrams in the figures are not necessarily required to practice the present invention.

Those of ordinary skill in the art will understand that: modules in the devices in the embodiments may be distributed in the devices in the embodiments according to the description of the embodiments, or may be located in one or more devices different from the embodiments with corresponding changes. The modules of the above embodiments may be combined into one module, or further split into multiple sub-modules.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.