CN218975832U

CN218975832U - Mechanism connecting device based on SCB and SPD integrity

Info

Publication number: CN218975832U
Application number: CN202222655287.4U
Authority: CN
Inventors: 赵帅; 薄同伟; 张志芳; 张晓佟; 周军亮; 耿骏
Original assignee: Schneider Wingoal Tianjin Electric Equipment Co Ltd
Current assignee: Schneider Wingoal Tianjin Electric Equipment Co Ltd
Priority date: 2022-10-10
Filing date: 2022-10-10
Publication date: 2023-05-05
Anticipated expiration: 2032-10-10

Abstract

The utility model provides a mechanism connecting device based on the whole of SCB and SPD, which relates to the field of electrical equipment, and comprises: the plug-in structure is arranged on the surge protection module, and the slot structure is arranged in the backup protection module, so that the surge protection module is integrally embedded into the backup protection module and is detachably connected with the slot structure through the plug-in structure; the slot part specifically comprises a busbar slot body and a connecting row slot body, and each slot body is internally provided with a reed structure for receiving the pin structure; the busbar is contacted with the outer side retaining surface of the reed, the connecting bar is contacted with the outer side retaining surface of the reed, and the pin is contacted with the inner retaining surface of the reed. The utility model can reduce the path between SCB and SPD to the greatest extent, reduce residual voltage and enhance the voltage protection level; the occupied space and weight of the product are reduced, and the cost of the product is optimized.

Description

Mechanism connecting device based on SCB and SPD integrity

Technical Field

The utility model relates to the field of electrical equipment, in particular to a mechanism connecting device based on the whole of SCB and SPD.

Background

The SPD (surge protective device, surge protector) is used for providing safety protection for various electronic equipment, instruments and meters and communication lines, and when peak current or voltage is suddenly generated in an electric loop or the communication line due to external interference, the surge protector can conduct and shunt in a very short time, so that damage of surge to other equipment in the loop is avoided. SCB (Surge Protecter Device Circuit Breaker, external separator in series at front end of surge protector), also called backup protection device, when abnormal transient overvoltage occurs on power supply to make SPD conduct and melt-through short circuit occurs, the circuit can be disconnected rapidly.

Currently, in a surge protector structure with a backup protector, the surge protector and the backup protector are independent devices, are structurally connected through a wire harness, and have long connection paths of internal structures of the two devices, and the main defects are as follows: the connection current capacity between the SCB and the SPD mechanism is weak 2, the connection path between the SCB and the SPD mechanism is long, the residual voltage value is high, the voltage protection level difference 3, the occupied space of the whole product of the SCB and the SPD is large, and the cost is high.

Therefore, how to design a SCB and SPD connection structure with stronger protection capability and smaller volume becomes the technical problem to be solved.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art or related art, and provides a mechanism connecting device based on the whole SCB and SPD, which can improve the whole safety of devices, reduce the volume and reduce the production cost.

The utility model is realized by the following technical scheme: a mechanism connection device based on SCB and SPD integrity, comprising: the plug-in structure is arranged on the surge protection module, and the slot structure is arranged in the backup protection module, so that the surge protection module is integrally embedded into the backup protection module and is detachably connected with the slot structure through the plug-in structure; the slot part specifically comprises a busbar slot body and a connecting row slot body, and each slot body is internally provided with a reed structure for receiving the pin structure; the busbar is contacted with the outer side retaining surface of the reed, the connecting bar is contacted with the outer side retaining surface of the reed, and the pin is contacted with the inner retaining surface of the reed.

In the technical scheme, the SCB and the SPD are tightly embedded, so that metal contacts of the two devices are close to each other as much as possible, the connection path between the SCB and the SPD mechanism is reduced, the product volume is reduced, the design of the pins and the slots is convenient for installation and maintenance, the bus bars and the connection bars are contacted with the reed holding surface, the connection current-carrying capacity is increased, and the safety is improved.

According to the mechanism connecting device based on the SCB and the SPD, preferably, the reed structure specifically comprises a U-shaped groove body and a spring plate fixed in the U-shaped groove body, the lower end of the spring plate is fixed at the bottom of the U-shaped groove body, and the upper part of the spring plate is inclined at a certain angle to the inner wall of the U-shaped groove body.

According to the mechanism connecting device based on the whole SCB and the SPD, preferably, the top end of the elastic sheet is provided with the reverse folding part, and the inclination angle of the reverse folding part is opposite to the whole inclination direction of the elastic sheet so as to play a role in guiding the pins.

According to the mechanism connecting device based on the whole SCB and the SPD, preferably, the part of the U-shaped groove body, which is close to the reverse folding part, is provided with an inclined plane so as to conveniently guide the pins.

According to the mechanism connecting device based on the whole SCB and the SPD, preferably, the reed is a metal sheet with certain elasticity.

According to the mechanism connecting device based on the whole SCB and the SPD, preferably, the side wall of the backup protection module is provided with the groove corresponding to the shape of the surge protection module, so that the surge protection module is convenient to embed and fix, and pins of the surge protection module are made to be close to a circuit structure inside the backup protection module.

The beneficial effects obtained by the utility model at least comprise: the two mechanisms are connected in a surface contact way, so that the current passing capacity is improved; the path between the SCB and the SPD is reduced to the greatest extent, residual voltage is reduced, and the voltage protection level is enhanced; the occupied space and weight of the product are reduced, and the cost of the product is optimized.

Drawings

Fig. 1 shows a schematic overall structure of a mechanism connection device based on the whole of SCB and SPD according to an embodiment of the present utility model.

Fig. 2 shows a schematic diagram of the internal structure of an SCB based on the mechanism connection device integrated with the SPD according to the embodiment of the present utility model.

Fig. 3 shows a structural exploded view of an SCB according to an embodiment of the utility model.

Fig. 4 shows a side view of the SCB internal structure according to an embodiment of the utility model.

Figure 5 illustrates a six-view of a reed according to an embodiment of the present utility model.

Fig. 6 is a diagram showing a structure of connection of a bus bar to a reed according to an embodiment of the present utility model.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

As shown in fig. 1, 2, 3, 4 and 6, the present utility model provides a mechanism connection device based on SCB and SPD integration, including: a pin structure 2 provided on the surge protection module 1 and a socket structure 4 provided in the backup protection module 3 so that the surge protection module is integrally embedded in the backup protection module and detachably connected with the socket structure through the pin structure; the slot part specifically comprises a busbar slot body and a connecting row slot body, and each slot body is internally provided with a reed structure 7 for receiving the pin structure; the busbar 5 is in contact with the reed outer side holding surface, the connection bar 6 is in contact with the reed outer side holding surface, and the pins are in contact with the reed inner holding surface.

According to the above embodiment, preferably, as shown in fig. 5, the reed structure specifically includes a U-shaped groove 8 and a spring plate 9 fixed inside the U-shaped groove, the lower end of the spring plate is fixed at the bottom of the U-shaped groove, and the upper part of the spring plate is inclined at a certain angle to the inner wall of the U-shaped groove.

According to the above embodiment, preferably, as shown in fig. 5, the top end of the spring has a reverse folded portion 10, and the inclination angle of the reverse folded portion is opposite to the whole inclination direction of the spring, so as to play a guiding role on the pins.

According to the above embodiment, it is preferable that the portion of the U-shaped groove body near the reverse folded portion has a slope so as to guide the pins.

According to the above embodiment, the reed is preferably a metal sheet having a certain elasticity.

According to the above embodiment, preferably, the side wall of the backup protection module has a groove corresponding to the shape of the surge protection module, so that the surge protection module is conveniently embedded and fixed and the pins of the surge protection module are made to be close to the circuit structure inside the backup protection module.

According to the mechanism connecting device based on the whole SCB and the SPD, the SCB and the SPD mechanism are connected together through pins, reeds, connecting bars and bus bars. The path between SCB and SPD is reduced to the greatest extent, residual voltage is reduced, and voltage protection level is enhanced. The reed is connected with the busbar in a surface contact way, so that the current passing capacity is increased. During installation, the connecting row is installed first, then the reed is installed, and the structure of the reed has elasticity, so that the pluggable surge protection module is supported, and the stability of current passing is ensured.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A mechanism connecting device based on the entirety of an SCB and an SPD, comprising: a pin structure provided on the surge protection module and a socket structure provided in the backup protection module, so that the surge protection module is integrally embedded in the backup protection module and detachably connected with the socket structure through the pin structure; the slot part specifically comprises a busbar slot body and a connecting row slot body, and reed structures are arranged in the slot bodies to bear the pin structures; the busbar is contacted with the outer side retaining surface of the reed, the connecting bar is contacted with the outer side retaining surface of the reed, and the pin is contacted with the inner retaining surface of the reed.

2. The mechanism connecting device based on the whole SCB and the SPD according to claim 1, wherein the reed structure specifically comprises a U-shaped groove body and a spring piece fixed in the U-shaped groove body, the lower end of the spring piece is fixed at the bottom of the U-shaped groove body, and the upper part of the spring piece is inclined to the inner wall of the U-shaped groove body by a certain angle.

3. The device for connecting a mechanism based on the whole SCB and the SPD according to claim 2, wherein the top end of the elastic sheet is provided with a reverse folding part, and the inclination angle of the reverse folding part is opposite to the whole inclination direction of the elastic sheet so as to play a role in guiding the pins.

4. A SCB and SPD integrated based mechanism connection device according to claim 3, wherein the portion of the U-shaped channel adjacent to the inflection portion has a bevel to facilitate guiding the pins.

5. The SCB and SPD integrated based mechanism connection device according to any one of claims 1 to 4, wherein the reed is a metal sheet having a certain elasticity.

6. The SCB and SPD integral based mechanism connection device according to any one of claims 1 to 4, wherein the side wall of the backup protection module has a groove corresponding to the shape of the surge protection module, facilitating the insert fixation of the surge protection module and the attachment of the pins of the surge protection module to the circuit structure inside the backup protection module.