CN216903568U

CN216903568U - Depend on control module electrical connection structure of installation guide rail

Info

Publication number: CN216903568U
Application number: CN202122776606.2U
Authority: CN
Inventors: 吴海良; 薛吉; 聂佳; 张军平; 汤东; 管凡增
Original assignee: Shanghai Electrical Apparatus Research Institute Group Co Ltd
Current assignee: Shanghai Electrical Apparatus Research Institute Group Co Ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-07-05
Anticipated expiration: 2031-11-12

Abstract

The utility model relates to a control module electrical connection structure attached to an installation guide rail, wherein at least two control modules are clamped on the installation guide rail; the control module is provided with N power supply conducting plates and M bus conducting plates; two adjacent control modules are mutually locked through a lock catch. The utility model provides a novel electrical connection structure between control modules, which relies on the positioning function of a standard mounting rail for power connection and bus connection between control modules. The control modules are electrically connected with each other by using the lock catch in the utility model, no additional wiring is needed, and a quick and convenient connection mode that the electrical connection is realized on the guide rail on the card is realized.

Description

Depend on control module electrical connection structure of installation guide rail

Technical Field

The utility model relates to an electrical connection structure of a control module attached to a mounting guide rail, wherein the control module is mounted on the basis of an IEC/EN60715 standard guide rail.

Background

At present, control modules installed on the basis of IEC/EN60715 standard guide rails are widely applied, and the electrical connection among the control modules mainly depends on the wire connection among the control modules.

In order to realize wire-free connection, the existing bosch series S20 is provided with bus plug modules with proper length at the bottom of each control module, the bus plug modules are connected with the control modules by upper plugs, and the left and right sockets are used for cascading. The nature of the connection technology adopted by the products of the Bosch S20 series is still the connector connection, different bus plug-in modules need to be configured according to different sizes and functions of the control modules, the specifications are various, the universality is lacked, the socket positions at the bottoms of various control modules need to be fixed, the installation is not flexible enough, and the cost is higher.

European union patent EP 3420616B 1 uses an accessory mounted in a standard rail as an electrical connection between modules, the accessory being a conductive strip consisting of an insulating framework and a conductive metal strip, several heightening members and mounting cooperation of the heightening members and the conductive strip being designed to fit a variety of standard rails. The various modules are interconnected by conductive strips. This patent technique provides a swift, convenient mode for electrical connection between the module of track installation. The disadvantage of this patent is that the bare metal conducting strips run the risk of being contaminated or even short-circuited after the module is removed.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: the existing guide rail installation control module is not convenient to connect, and the guide rail installation is not fast and convenient completely.

In order to solve the technical problems, the technical scheme of the utility model is to provide a control module electrical connection structure attached to an installation guide rail, at least two control modules are clamped on the installation guide rail, the length direction of the installation guide rail is defined as the left-right direction, and one side of the control module, which is used for clamping the installation guide rail, is defined as the back side;

the control module is provided with N power supply conducting strips and M bus conducting strips, N is more than or equal to 2, M is more than or equal to 2, the power supply conducting strips and the bus conducting strips are connected with a device circuit in the control module to form a circuit loop, and the power supply conducting strips and the bus conducting strips are insulated from the installation guide rail; the end part of the power supply conducting strip or the bus conducting strip on the current control module is mutually contacted with the end part of the corresponding power supply conducting strip or the bus conducting strip on the other control module which is adjacent in the left-right direction, so that the two adjacent control modules are electrically connected;

two adjacent control modules in the left-right direction are locked with each other through a lock catch, the lock catch is provided with a locking hole matched with the shape of the convex block clamping structure, and the lock catch is clamped on the convex block clamping structure formed by the two adjacent control modules through the locking hole, so that the two control modules are locked with each other.

Preferably, the first bump is a long bump with a long length, and the second bump is a short bump with a short length.

Preferably, the power conducting strip and the bus conducting strip are arranged in the control module in a penetrating mode, and the left end and the right end of the power conducting strip and the left end and the right end of the bus conducting strip are exposed out of the control module.

Preferably, one end of the left end and the right end of the power supply conducting strip or the bus conducting strip is bent upwards to form an upper folded edge, and the other end of the power supply conducting strip or the bus conducting strip is bent to form a U-shaped structure, wherein the U-shaped structure is provided with a lower folded edge longer than the upper folded edge;

the upper hem of the power supply conducting strip or the bus conducting strip on the current control module is contacted with the lower hem of the U-shaped structure of the corresponding power supply conducting strip or the bus conducting strip on the other control module which is adjacent in the left-right direction.

Preferably, for the N power conducting strips and the M bus conducting strips, N + M is less than or equal to 6.

Preferably, the control module is further provided with a grounding conducting strip, the grounding conducting strip is connected with a device circuit in the control module to form a circuit loop, and the grounding conducting strip is in contact with the installation guide rail.

Preferably, the width direction of the mounting rail is defined as a front-back direction, the front side and the back side of the lock catch are formed with upturned edges, and a space gap is formed between the lock catch and the mounting rail through the upturned edges.

Preferably, along the pore wall direction of the left side and the right side of the locking hole, one end opening of the locking hole is a large end opening, the other end opening is a small end opening, the bump clamping structure is clamped into the lock catch through the large end opening, and the first bump and the second bump which form the bump clamping structure are locked with each other by utilizing the small end opening, so that the purpose of mutually locking the two adjacent control modules is achieved.

Preferably, the left and right side edges of the lock catch are respectively formed with a protrusion and a recess, and the protrusion on the lock catch is matched with the recess on the other lock catch adjacent to the lock catch in the left and right direction.

The utility model provides a novel electrical connection structure between control modules, which relies on the positioning function of standard mounting rails for power connection and bus connection between control modules. The control modules are electrically connected with each other by using the lock catch in the utility model, no additional wiring is needed, and a quick and convenient connection mode that the electrical connection is realized by clamping the guide rail is realized.

Compared with the prior art, the utility model has the following beneficial effects:

depend on the installation guide rail, need not extra wiring, adopt utility model's control module only need block on the standard guide rail can successfully connect. The installation and debugging of the control module group can be simplified, the wiring workload is reduced, and the probability of wiring errors is reduced. Especially if a test module is additionally arranged on the right side of the control module group, data can be directly collected on a communication bus, communication test work of the module is completed, and the test module is convenient and fast. The utility model is mainly suitable for the bus electrical connection between the control modules of which the sum of the number of buses and the number of power lines is not more than 6.

Drawings

FIG. 1 is a schematic diagram of the general structure of the electrical connection structure of the control module attached to the mounting rail according to the embodiment disclosed;

FIGS. 2, 3 and 4 are a rear view, a right side view and a left side view, respectively, of a control module having a narrower width;

FIGS. 5, 6 and 7 are a rear view, a right side view and a left side view of a control module with a wide width, respectively;

FIG. 8 is a schematic diagram of a grounding conductive sheet;

FIG. 9 is a schematic diagram of a power conducting strip;

fig. 10 is a schematic view of the bus conductive sheet 13;

fig. 11 and 12 are schematic structural views of the latch disclosed in the present embodiment;

fig. 13 is a schematic view of the interaction of the latch and the mounting rail.

Detailed Description

The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.

In the present invention, the length direction of the guide rail is defined as the left-right direction, and the width direction of the guide rail is defined as the front-back direction. The present embodiment further describes the present invention by taking the example of mounting the control module on a standard guide rail.

In this embodiment, the control module may have various dimensions to simplify the description. Only two sizes are used for representing, one is a control module 2 with a narrow width, the other is a control module 3 with a wide width, the control module 2 and the control module 3 are special control modules known by those skilled in the art, and the control module 2 and the control module 3 are clamped on the installation guide rail 1. In this embodiment, the installation rail 1 is a standard rail meeting the IEC/EN60715 label, so the specific connection relationship between the installation rail 1 and the control module 2 and the control module 3 is common knowledge of those skilled in the art, and will not be described herein again.

In this embodiment, one surface of the control module 2 and the control module 3 for mounting the guide rail 1 in a clamping manner is defined as a back surface, and there are: the general structure of the control module 2 and the control module 3 in the present invention is the same as the structure of the control module known to those skilled in the art, but the present invention makes the following modifications thereto:

the middle part of the back of the

control module

2 or 3 is formed with a long bump 5 and a short bump 6, and the long bump 5 and the short bump 6 are respectively positioned at the left and right edges of the back of the

control module

2 or 3. In this embodiment, for convenience of installation, the front side and the rear side of the long bump 5 and the short bump 6 are both provided with slopes. Those skilled in the art may set any one of the front and rear side surfaces of the long bump 5 and the short bump 6 as an inclined surface, and the other side surface as a vertical surface perpendicular to the back surface of the control module 2 or the control module 3. Or the front side and the rear side of the long bump 5 and the short bump 6 are both set to be vertical surfaces. In this embodiment, the heights of the long bump 5 and the short bump 6 are equal, and the heights of the long bump 5 and the short bump 6 are smaller than the heights of the front and rear edges of the control module 2 or the control module 3, so as to prevent the long bump 5 and the short bump 6 from interfering with the mounting rail 1.

The long projection 5 on the

control module

2 or 3 now abuts against the short projection 6 on the

control module

2 or 3 to its left, so that together a raised structure is formed.

The utility model has another modification to the existing control module, which is to add conducting strips on the control module, wherein the conducting strips comprise a grounding conducting strip 11, a power supply conducting strip 12 and a bus conducting strip 13. The control module 2 and the control module 3 are respectively provided with a grounding conducting strip 11, two power conducting strips 12 and four bus conducting strips 13. It should be noted that the grounding conductive sheet 11 is optional depending on the specific control module, and the grounding conductive sheet 11 may not be provided on the control module.

The grounding conductive sheet 11 is embedded in the strip-shaped metal sheets on the back surfaces of the control module 2 and the control module 3, in this embodiment, the grounding conductive sheet 11 is located at the edge of the front side close to the control module 2 and the control module 3, and after the control module 2 and the control module 3 are clamped on the installation guide rail 1, the grounding conductive sheet 11 is contacted with the metal installation guide rail 1, so that grounding is realized.

The power conducting strip 12 and the bus conducting strip 13 have the same structure, and are strip-shaped metal sheets penetrating through the control module 2 and the control module 3, the left end and the right end of each strip-shaped metal sheet are exposed outside the control module 2 and the control module 3, in this embodiment, the left end of each strip-shaped metal sheet is bent upwards to form an upper folded edge, the right end of each strip-shaped metal sheet is bent to form a U-shaped structure, and the lower folded edge of each U-shaped structure is longer than the upper folded edge. The power supply conductive plate 12 is different from the bus conductive plate 13 in that the power supply conductive plate 12 is wider than the bus conductive plate 13. For convenience of installation, the upper folded edges and the U-shaped structures at the left and right ends of the power conducting strip 12 and the bus conducting strip 13 are formed after the control module is assembled.

In this embodiment, two power conductive sheets 12 and four bus conductive sheets 13 are provided. The upper edge of each power conducting strip 12 on the current control module 2 or control module 3 abuts against the lower edge of the corresponding power conducting strip 12 on the control module 2 or control module 3 on the left side thereof. Similarly, the upper edge of each bus conducting strip 13 on the

current control module

2 or 3 abuts against the lower edge of the corresponding bus conducting strip 13 on the

control module

2 or 3 on the left side of the current control module. The interconnection is realized through the mutual contact of the power conducting strips 12 on two

adjacent control modules

2 or 3 and the mutual contact of the bus conducting strips 13. The grounding conducting strip 11, the power conducting strip 12 and the bus conducting strip 13 are connected with the device circuit in the control module 2 or the control module 3 to form a circuit loop, and the connection mode of the circuit loop can be designed as required by those skilled in the art, and belongs to the common knowledge of those skilled in the art, and will not be described herein again.

The

control modules

2 and 3 which form the electrical connection are mutually locked through the lock catches 4 provided by the utility model. Every two

control modules

2 or 3 are mutually locked through a lock catch 4, and the lock catch 4 and the convex-shaped protruding structure are mutually matched to achieve the purpose of mutually locking two

adjacent control modules

2 or 3.

Supporting legs 41 are formed on the front side and the rear side of the lock catch 4, and after the control module 2 and the control module 3 are clamped on the installation guide rail 1, a certain space gap is formed between the lock catch 4 and the installation guide rail 1, so that the installation of connecting pieces such as screws and the like on the installation guide rail 1 is facilitated.

The left side edge and the right side edge of the lock catch 4 are respectively provided with a protrusion and a recess, the protrusion on the current lock catch 4 is matched with the recess on the other lock catch 4 adjacent in the left-right direction, so that the installation space of the lock catch 4 is saved, and the lock catch 4 can be suitable for control modules of any model.

A convex-shaped hole 42 matched with the convex-shaped convex structure is formed in the middle of the lock catch 4, and the left side wall and the right side wall of the convex-shaped hole 42 are both cambered surfaces. In order to adapt to the shape of the convex-shaped hole 42, the arc surface on one side of the left and right sides of the convex-shaped hole 42 is a whole-section complete arc surface 431, and the arc surfaces on the two outer sides are divided into three sections, namely a middle-section arc surface 432 and end arc surfaces 433 positioned on two sides of the middle-section arc surface 432. The side walls of the two sides of the convex-shaped hole 42 are set to be arc surfaces, so that one end opening of the convex-shaped hole 42 is a large end opening, and the other end opening is a small end opening. The convex-shaped protruding structure is clamped into the lock catch 4 through the large-end opening, and the long bump 5 and the short bump 6 which form the convex-shaped protruding structure are mutually locked by utilizing the small-end opening, so that the aim of mutually locking two

adjacent control modules

2 or 3 is fulfilled.

The installation order of the modules is: from left to right, the control module 2 or the control module 3 with a lock catch 4 is clamped and installed in sequence. The lock catch is attached to the right bottom of the control module 2 or the control module 3, that is, the protrusion 6 at the bottom is inserted between the arc 431 and the arc 433 of the lock catch 4, and after the lock catch is clamped on the rail 1, the control module 2 or the control module 3 attached with one lock catch 4 at the adjacent right side is clamped on the rail 1 tightly against the control module clamped on the rail 1, and in the clamping process, the protrusion 5 at the bottom of the module being clamped is clamped between the arc 432 of the lock catch 1 attached with the module previously installed and the protrusion 6 at the bottom of the module previously installed. The end of the power supply conducting strip 12 and the end of the bus conducting strip 13 of the adjacent module are in sliding friction contact, so that reliable electrical connection is realized.

Compared with the Bosch S20 series products, the bus plug-in module is not required to be plugged at the bottom of the control module, and the guide rail can be directly clamped, so that the connection is quicker. Meanwhile, the utility model has wider applicability and lower cost because a connector with higher cost is saved. Moreover, the control module is simple in applicability modification.

Compared with EP 3420616B 1, the utility model has the advantages of lower cost, simpler and more reliable connection (welding or crimping) between the module interior and the conducting strip, smaller exposed part of the external conductor, less susceptibility to contamination and short circuit.

Claims

1. A control module electric connection structure attached to an installation guide rail is characterized in that the control module electric connection structure comprises a first projection and a second projection which are arranged in the middle of the back of the control module, the first projection and the second projection are respectively positioned on the edges of the left side and the right side of the control module, and the first projection on the current control module and the second projection on the other control module adjacent to the left side and the right side are mutually abutted to form a projection clamping structure;

2. An electrical connection structure for a control module attached to a mounting rail according to claim 1, wherein the first bump is a long bump having a long length, and the second bump is a short bump having a short length.

3. The electrical connection structure of claim 1, wherein the power conducting strip and the bus conducting strip are inserted into the control module, and left and right ends of the power conducting strip and the bus conducting strip are exposed outside the control module.

4. The electrical connection structure of a control module attached to a mounting rail of claim 1, wherein one of the left and right ends of the power conducting strip or the bus conducting strip is bent upward to form an upper folded edge, and the other end is bent to form a U-shaped structure having a lower folded edge longer than the upper folded edge;

5. The electrical connection structure of a control module attached to a mounting rail of claim 1, wherein N + M is less than or equal to 6 for the N power conducting strips and the M bus conducting strips.

6. The electrical connection structure for a control module attached to a mounting rail of claim 1, wherein the control module further comprises a grounding conductive plate, the grounding conductive plate is electrically connected to a device circuit in the control module to form a circuit loop, and the grounding conductive plate contacts the mounting rail.

7. The electrical connection structure of a control module attached to a mounting rail of claim 1, wherein the width direction of the mounting rail is defined as a front-back direction, and the front and back sides of the latch are formed with flanges, and a space is formed between the latch and the mounting rail through the flanges.

8. The electrical connection structure for the control modules attached to the installation guide rail according to claim 1, wherein along the hole wall direction of the left and right sides of the locking hole, the opening at one end of the locking hole is a large end opening, the opening at the other end of the locking hole is a small end opening, the bump clamping structure is clamped into the lock catch through the large end opening, and the small end opening is used for mutually locking the first bump and the second bump which form the bump clamping structure, so as to achieve the purpose of mutually locking two adjacent control modules.

9. The electrical connection structure of a control module attached to a mounting rail of claim 1, wherein the left and right side edges of the latch are formed with protrusions and recesses, respectively, and the protrusions of the latch are engaged with the recesses of another latch adjacent to the latch in the left and right directions.