CN216313557U

CN216313557U - Intelligent module with strong and weak current isolation

Info

Publication number: CN216313557U
Application number: CN202122199316.6U
Authority: CN
Inventors: 彭志荣; 毕纪波
Original assignee: Shenzhen Rongfu Technology Co ltd
Current assignee: Shenzhen Rongfu Technology Co ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-04-15
Anticipated expiration: 2031-09-10

Abstract

The utility model discloses an intelligent module with strong and weak current isolation, which comprises a shell main body and a base connected with one side of the shell main body, wherein a magnetic latching relay is arranged in the shell main body, strong current connecting pieces are connected with two sides of the magnetic latching relay and are connected with external equipment through an interface at one side, a main circuit does not pass through a PCB (printed circuit board) and is directly fixed on the shell main body for strong and weak current isolation, a weak current conducting contact position is arranged at one side of the magnetic latching relay, and the magnetic latching relay is in weak current connection with the PCB through the weak current conducting contact position. This technical scheme has solved among the prior art outside split type structure of control module group not enough to outside foreign matter protective capacities, and does not possess strong and weak electric isolation and lead to the problem of PCB current overload.

Description

Intelligent module with strong and weak current isolation

Technical Field

The technical scheme of the utility model relates to the field of module control modules, in particular to an intelligent module with strong and weak current isolation.

Background

A module is an electric control device, and is an electric appliance that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. It has an interactive relationship between a control system (also called an input loop) and a controlled system (also called an output loop). It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. Control module group among the prior art adopts split type structure, and outside aqueous vapor and dust get into inside easily, and strong and weak electric isolation effect is not good. This technical scheme provides an intelligent object of strong and weak electricity isolation, adopts outside integral type casing, and inside steam and the difficult entering of dust are inside, and inner structure adopts strong and weak electric isolation structure, avoids inside each control module to receive the interference, and does not exceed PCB current bearing capacity.

SUMMERY OF THE UTILITY MODEL

The present technical solution is directed to solve at least one of the technical problems in the related art to some extent. Therefore, the main purpose of the technical scheme is to provide an intelligent module with strong and weak current isolation, aiming at solving the problem that the external split structure of the control module is insufficient in the protection capability of external foreign matters and does not have the problem of PCB current overload caused by strong and weak current isolation.

In order to achieve the above object, the technical solution provides an intelligent module with strong and weak electric isolation, which comprises a housing main body and a base connected with one side of the housing main body, wherein a magnetic latching relay is arranged in the housing main body,

two sides of the magnetic latching relay are connected with strong current connecting pieces which are connected with external equipment through an interface at one side, a main circuit does not pass through a PCB and is directly fixed on the shell main body for strong and weak current isolation,

and a weak electric conduction contact position is arranged on one side of the magnetic latching relay, and the magnetic latching relay is in weak electric connection with the PCB through the weak electric conduction contact position.

In one embodiment, a fixing piece for fixing the connection of the strong electric connecting piece and the external equipment is arranged on one side of the interface.

In one embodiment, the fastener is a bolt.

In one embodiment, the high-voltage connecting pieces are high-voltage wires, the inner parts of the high-voltage connecting pieces are designed in 18mm groups, and the high-voltage connecting pieces can be installed and connected with common circuit breakers in a standard mode.

In one embodiment, the housing body is provided with a clamping hole, and the clamping hole is movably connected with a clamping point arranged on the base.

In one embodiment, the bottom of the magnetic latching relay is provided with a partition plate.

In one embodiment, the separator is of one-piece sheet construction.

In one embodiment, the base is provided with a buckle used for being connected with one side of the shell main body in a clamping mode.

In one embodiment, the housing body is a one-piece housing structure.

The beneficial effects of this technical scheme are as follows:

the intelligent module that strong and weak electricity kept apart that this technical scheme provided adopts outside integral type casing, and inside steam and dust were difficult for getting into, and inner structure adopted strong and weak electric isolation structure, and the major loop need not through the PCB circuit board, but the snap-on is on the casing, and the heavy current is directly drawn forth from both ends to realize the effect that strong and weak electricity kept apart, avoid inside each control module to receive the interference, and do not exceed PCB current bearing capacity.

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 introduced 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 structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the housing main body in the present technical solution.

Fig. 2 is a schematic view of a disassembled structure of the housing main body and various components in the present technical solution.

Fig. 3 is an enlarged schematic diagram of the strong and weak electrical connection part in the technical solution.

[ list of reference numerals for main parts/components ]

Detailed Description

In order to make the purpose, technical solution and advantages of the present technical solution more clearly apparent, the technical solution in the embodiments of the present technical solution will be clearly and completely described below with reference to the drawings in the embodiments of the present technical solution. It is obvious that the described embodiments are only some, not all embodiments of the present solution.

All other embodiments obtained by a person skilled in the art based on the embodiments in the present technical solution without creative efforts belong to the protection scope of the present technical solution.

It should be noted that all the directional indicators (e.g., upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement condition, etc. in a specific state (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Descriptions in this technical solution as referring to "first", "second", etc. are only for descriptive purposes and are not to be interpreted as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In the description of the present claims, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this technical solution, unless explicitly stated or limited otherwise, the terms "connected" and "fixed" should be understood broadly, for example, "fixed" may be a fixed connection, a detachable connection, or an integral formation; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present technical solution can be understood by those of ordinary skill in the art according to specific situations.

In addition, technical solutions between the embodiments in the present technical solution may be combined with each other, but it is necessary to be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should be considered to be absent, and is not within the protection scope claimed in the present technical solution.

Example 1:

referring to fig. 1 to 3, an intelligent module with strong and weak current isolation comprises a housing body 1 and a base connected with one side of the housing body 1, a magnetic latching relay 3 is arranged in the housing body 1,

the two sides of the magnetic latching relay 3 are connected with strong current connectors 30, the strong current connectors 30 are connected with external equipment through the interface 51 at one side, the main circuit does not pass through the PCB 4 and is directly fixed on the shell main body 1 for strong and weak current isolation,

and a weak electric conduction contact position 50 is arranged on one side of the magnetic latching relay 3, and the magnetic latching relay 3 is in weak electric connection with the PCB 4 through the weak electric conduction contact position 50.

Strong electricity enters through an external interface 51, the magnetic latching relay 3 is connected through a strong electricity connecting piece 30, the bottom of the magnetic latching relay 3 is in weak electricity connection with the PCB 4 through a weak electricity conducting contact position 50, and strong electricity and weak electricity are separated through a partition plate 5. The intelligent module that strong and weak electricity was kept apart, major loop need not through the PCB circuit board, but the snap-on is on the casing, and the electric current is directly drawn forth from both ends to realize the effect that strong and weak electricity was kept apart, adopt outside integral type casing, inside steam and the difficult entering of dust are inside, and inner structure adopts strong and weak electric isolation structure, avoid inside each control module to receive the interference, and do not exceed PCB current bearing capacity. The main loop is directly fixed on the shell without passing through a PCB (printed circuit board), and the large current is directly led out from two ends, so that the effect of strong and weak current isolation is realized.

Referring to fig. 2, a fixing member 52 for fixing the connection of the strong electric connector 30 to the external device is preferably provided at one side of the interface 51.

Referring to fig. 2, preferably, the fixing member 52 is a bolt.

Referring to fig. 2 and 3, preferably, the high-voltage connecting piece 30 is a high-voltage wire, is internally designed in 18mm groups, and can be installed and connected with a common circuit breaker in a standard manner.

Referring to fig. 2, preferably, the housing body 1 is provided with a locking hole 10, and the locking hole 10 is movably connected with a locking point 20 provided on the base 2.

Referring to fig. 2, preferably, the separator 5 is of an integrally formed plate structure.

Referring to fig. 2, preferably, the base 2 is provided with a buckle 21 for being connected with one side of the housing body 1 in a clamping manner.

Referring to fig. 2, preferably, the bottom of the magnetic latching relay is provided with a partition.

Referring to fig. 1, preferably, the housing body is a one-piece housing structure.

The working principle of the technical scheme is as follows:

The above description is only a preferred embodiment of the present disclosure, and not intended to limit the scope of the present disclosure, and all modifications and equivalents made by the contents of the specification and drawings of the present disclosure or directly/indirectly applied to other related technical fields are included in the scope of the present disclosure.

Claims

1. An intelligent module with strong and weak electric isolation is characterized by comprising a shell main body and a base connected with one side of the shell main body, wherein a magnetic latching relay is arranged in the shell main body,

strong current connecting pieces are connected with two sides of the magnetic latching relay and are connected with external equipment through an interface on one side, a main circuit of the magnetic latching relay does not pass through a PCB (printed circuit board) and is directly fixed on the shell main body for strong and weak current isolation,

2. A smart module with strong and weak current isolation as claimed in claim 1, wherein a fixing member for fixing the strong and weak current connector to an external device is disposed at one side of the interface.

3. A smart module according to claim 2 wherein the fixing member is a bolt and the input and output structure is an upper input and a lower output.

4. A strong and weak current isolated intelligent module according to claim 1, wherein the strong current connecting pieces are strong current wires, the interior of each strong current connecting piece is designed in 18mm groups, and the strong current connecting pieces can be installed and connected with common circuit breakers in a standard mode.

5. A smart module with strong and weak galvanic isolation according to claim 1, wherein the housing main body is provided with a card hole, and the card hole is movably connected with a card point arranged on the base.

6. A strong and weak electric isolation intelligent module according to claim 1, wherein a partition is arranged at the bottom of the magnetic latching relay.

7. A smart module according to claim 6 wherein the partition is of unitary sheet construction.

8. The smart module of claim 1, wherein the base is provided with a buckle for being connected with one side of the housing body in a clamping manner.

9. A smart module as claimed in claim 1 wherein the housing body is a one-piece housing structure.