CN210805652U

CN210805652U - Intelligent control module internally arranged in molded case circuit breaker and circuit breaker

Info

Publication number: CN210805652U
Application number: CN201922102911.6U
Authority: CN
Inventors: 赵轶磊
Original assignee: Shanghai Renmin Electrical Apparatus Works Co Ltd
Current assignee: Shanghai Renmin Electrical Apparatus Works Co Ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-06-19
Anticipated expiration: 2029-11-29

Abstract

The utility model relates to an interior place intelligent control module and circuit breaker of moulded case circuit breaker in, including module base, module support and circuit board subassembly, the module support mounting be in module base's upper portion, circuit board unit mount in the module support, be equipped with a plurality of independent cavitys in the module base, install the mutual-inductor subassembly in the cavity, the mutual-inductor subassembly passes through the connector with circuit board subassembly and is connected, module base is prolate shell column structure, the module support be with module base assorted prolate shell column structure, the bottom of module support is equipped with the mounting hole that is used for passing through the connector, the inside side of module support is equipped with and is used for fixed mounting circuit board subassembly's direction mounting groove. The module can meet the requirement of a molded case circuit breaker with a 63A shell frame grade with a limited space, and an intelligent tripping control function module is arranged in the module.

Description

Intelligent control module internally arranged in molded case circuit breaker and circuit breaker

Technical Field

The utility model relates to a circuit breaker technical field, concretely relates to place in moulded case circuit breaker's intelligent control module and circuit breaker.

Background

The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, a motor and the like, automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, has the function equivalent to the combination of a fuse type switch, an over-under-heat relay and the like, and generally does not need to change parts after breaking fault current.

The molded case circuit breaker with the 63A shell frame has a compact structure and a small space, so that no 63A shell frame product with an intelligent tripping control function module is available in the market at present, and the existing intelligent control module is difficult to install in the 63A shell frame.

Patent CN 102347175B discloses an electronic release for a molded case circuit breaker, which includes a housing, a bus, a transformer, an armature, a yoke, a drawbar and a flux transformer, wherein the bus passes through a transformer through hole and an armature through hole, and the armature is connected with the housing through a tension spring; the magnetic yoke is positioned on the bus and opposite to the armature; the draw bar is rotatably connected to the shell, a first bulge and a second bulge are arranged on the draw bar, the first bulge is in contact with the magnetic flux converter, the second bulge is in contact with the armature, and the mechanism is difficult to meet the installation requirement of the 63A shell frame molded case circuit breaker.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an interior intelligent control module and the circuit breaker of placing moulded case circuit breaker in order to solve above-mentioned problem.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides an interior intelligent control module who places moulded case circuit breaker in, includes module base, module support and circuit board subassembly, module support mounting is in module base's upper portion, circuit board unit mount in the module support, be equipped with a plurality of independent cavitys in the module base, install the mutual-inductor subassembly in the cavity, the mutual-inductor subassembly passes through the connector with circuit board subassembly and is connected, module base is prolate form shell structure, module support be with module base assorted prolate form shell structure, module support's bottom is equipped with the mounting hole that is used for passing through the connector, the inside side of module support is equipped with and is used for fixed mounting circuit board subassembly's direction mounting groove.

Further, the module base comprises a module base plate, a first side plate and a second side plate, wherein the first side plate and the second side plate are integrally arranged on the module base plate along the length direction of the module base, and a plurality of partition plates are arranged between the first side plate and the second side plate at intervals in parallel to form a plurality of independent cavities.

Furthermore, a plurality of U-shaped slots are formed in the first side plate, a rectangular opening is formed in the upper portion of each U-shaped slot, the U-shaped slots are arranged in a straight line and are arranged at equal intervals, a wiring terminal is installed on each U-shaped slot, and a wiring head of each wiring terminal is located at the rectangular opening in the upper portion of each U-shaped slot.

Further, it has a plurality of rectangle flutings to open on the second curb plate, and a plurality of rectangle flutings are the row of one word and open, and the equidistant arrangement, the grooved avris of rectangle is equipped with the protrusion the flange board edge of second curb plate, installation binding post on the rectangle fluting, binding post's connector lug is located the grooved bottom of rectangle.

Further, a third side plate with a rectangular hole is arranged at the end part of the module base between the first side plate and the second side plate.

Further, the module support comprises an upper side frame, a flange side plate is arranged on one side face of the outer portion of the upper side frame, a plurality of groups of positioning clamping plates are arranged on the other side face of the outer portion of the upper side frame, the module support is installed on the module base, the flange side plate is located on the upper edge of the first side plate, and the positioning clamping plates are buckled on the flange plate edges to achieve reliable assembly of the module support and the module base.

Further, the direction mounting groove sets up inside the upper portion side frame, circuit board assembly be equipped with the trompil that the direction mounting groove matches.

Further, a plurality of operating buttons are arranged on the upper portion of the circuit board assembly.

Further, the upper part of the module support is also provided with a module top cover, and the module top cover encapsulates the circuit board assembly in the module support.

Furthermore, the module base of the intelligent control module is installed in the base of the breaker body of the molded case circuit breaker, after the module support is installed, the middle cover of the breaker body is installed, the circuit board assembly and the module top cover are installed in the module support, and the module top cover is fixed in the breaker body through screws and covered.

Compared with the prior art, the utility model discloses intelligent control module mechanism is compact, small, and this is because the utility model discloses structure and the assembly methods to module base, module support and circuit board subassembly have carried out redesign: the utility model discloses the module base is prolate shell-shaped structure, the module support be with module base assorted prolate shell-shaped structure, the bottom of module support is equipped with the mounting hole that is used for passing through the connector, the inside side of module support is equipped with the direction mounting groove that is used for fixed mounting circuit board subassembly, this structure makes module support and module base can carry out seamless joint, and can realize that the comparison of doing on the width direction is narrower, can guarantee to realize intelligent control module's function simultaneously, thereby satisfy the demand of the moulded case circuit breaker of the more limited 63A shelve grade in space, realize built-in intelligent dropout control function module.

Drawings

Fig. 1 and 2 are schematic structural views of a molded case circuit breaker of a conventional 63A cradle;

fig. 3 and 4 are schematic structural diagrams of an intelligent control module according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a module base according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a module support according to an embodiment of the present invention;

fig. 7 is a schematic view of an assembly structure of a module base and a module support according to an embodiment of the present invention;

fig. 8 is a dimension diagram of an intelligent control module according to an embodiment of the present invention;

fig. 9 is a schematic view of an installation process of an intelligent control module according to an embodiment of the present invention;

fig. 10 is an assembled schematic view of an intelligent control module according to an embodiment of the present invention (without a module top cover);

fig. 11 is a schematic diagram of the assembled intelligent control module according to the embodiment of the present invention;

fig. 12 is a schematic diagram of an intelligent control module according to an embodiment of the present invention installed on a circuit breaker body;

in the figure: module base 100, module support 200, circuit board assembly 300, transformer assembly 400, module top cover 500, circuit breaker body middle cover 600, circuit breaker body base 700.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Examples

Like fig. 1, 2, for the current plastic casing circuit breaker's of 63A shelve structure schematic diagram, circuit breaker arc extinguishing module rear portion thickness is 24mm, and upper portion middle cover opening thickness is 22mm, because 63A shelve's circuit breaker volume is less, can hold intelligent dropout control module's space is smaller, is difficult to design and installs intelligent control module, the utility model discloses mainly in order to hold intelligent dropout control assembly in this 63 shelve plastic casing circuit breaker.

As shown in fig. 3 and 4, an intelligent control module built in a molded case circuit breaker comprises a module base 100, a module support 200 and a circuit board assembly 300, wherein the module support 200 is installed on the upper portion of the module base 100, the circuit board assembly 300 is installed in the module support 200, three or four independent cavities are arranged in the module base 100, a transformer assembly 400 is installed in each cavity, the transformer assembly 400 is connected with the circuit board assembly 300 through a connector, the module base 100 is of a flat and long shell-shaped structure, the module support 200 is of a flat and long shell-shaped structure matched with the module base 100, a mounting hole 202 for passing through the connector is formed in the bottom of the module support 200, a guide mounting groove 203 for fixedly mounting the circuit board assembly 300 is formed in the side face of the inside of the module support 200, and a plurality of operating.

Specifically, as shown in fig. 5, the module base 100 includes a module bottom plate 101, and a first side plate 102 and a second side plate 103 integrally disposed on the module bottom plate 101 along a length direction of the module base 100, wherein a plurality of partitions 104 are disposed between the first side plate 102 and the second side plate 103 at intervals in parallel to form a plurality of independent cavities. A plurality of U-shaped slots 107 are formed in the first side plate 102, a rectangular opening is formed in the upper portion of each U-shaped slot 107, the U-shaped slots 107 are arranged in a row and are arranged at equal intervals, wiring terminals 109 are mounted on the U-shaped slots 107, and connector lugs of the wiring terminals 109 are located at the rectangular opening in the upper portion of each U-shaped slot 107. A plurality of rectangular slots 105 are formed in the second side plate 103, the rectangular slots 105 are arranged in a row and are arranged at equal intervals, a flange plate edge 106 protruding out of the second side plate 103 is arranged on the side of each rectangular slot 105, a wiring terminal 109 is mounted on each rectangular slot 105, and a wiring terminal of each wiring terminal 109 is located at the bottom of each rectangular slot 105. The module base 100 is provided with a third side plate 108 with a rectangular hole at the end between the first side plate 102 and the second side plate 103.

As shown in fig. 6, the module support 200 includes an upper side frame 201, a flange side plate 204 is disposed on one side surface of the outer portion of the upper side frame 201, and a plurality of sets of positioning snap-gauge boards 205 are disposed on the other side surface of the outer portion of the upper side frame 201, when the module support 200 is mounted on the module base 100, as shown in fig. 7, the flange side plate 204 is located on the upper edge of the first side plate 102, and the positioning snap-gauge boards 205 are snapped onto the flange side 106, thereby realizing reliable assembly of the module support 200 and the module base. The guide mounting groove 203 is provided inside the upper side frame 201, and the circuit board assembly 300 is provided with an opening hole matched with the guide mounting groove 203. As shown in fig. 9, the module support 200 is further provided at an upper portion thereof with a module top cover 500, and the module top cover 500 encloses the circuit board assembly 300 within the module support 200.

As shown in fig. 8, by the above assembly method, the intelligent control module can be made into a module with a small size, and has a compact structure and a small size, and the external dimension is 103(78) × 23.7 × 68.5, and the intelligent control module can be installed in a molded case circuit breaker with a 63A rack class having a module of 25mm, so as to realize a built-in intelligent trip control function module in the molded case circuit breaker with the 63A rack.

Referring to fig. 10, 11 and 12, when the intelligent module is assembled, the intelligent module base 100 is installed in the circuit breaker body base 700, and then four/three sets of transformer assemblies 400 are installed in the cavity of the module base 100, the transformer assemblies 400 mainly serve to detect and collect information of a main circuit of the circuit breaker and output the information to the circuit board assembly 300, the module base 100 has four or three independent cavities mainly used to receive the transformer assemblies 400 and also serve as phase-to-phase insulation, then the module holder 200 is installed on the module base 100, a hole is formed in the bottom surface of the module holder 200 for passing through a connector of the transformer assembly, a groove is formed in the side surface of the module holder 200 for fixing the circuit board assembly 300, the circuit breaker body middle cover 600 is installed after the module holder 200 is installed, finally the circuit board assembly 300 and the module top cover 500 are installed in the module holder 200 and the module top cover 500 is fixed to the circuit breaker, and finishing the installation.

The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims

1. An intelligent control module arranged in a molded case circuit breaker comprises a module base (100), a module support (200) and a circuit board assembly (300), wherein the module support (200) is arranged at the upper part of the module base (100), the circuit board assembly (300) is arranged in the module support (200), a plurality of independent cavities are arranged in the module base (100), a mutual inductor assembly (400) is arranged in each cavity, the mutual inductor assembly (400) is connected with the circuit board assembly (300) through a connector, and the intelligent control module is characterized in that,

the module base (100) is of a prolate shell-shaped structure, the module support (200) is of a prolate shell-shaped structure matched with the module base (100), a mounting hole (202) used for passing through a connector is formed in the bottom of the module support (200), and a guide mounting groove (203) used for fixedly mounting the circuit board assembly (300) is formed in the side face of the inside of the module support (200).

2. The intelligent control module built in the molded case circuit breaker according to claim 1, wherein the module base (100) comprises a module bottom plate (101), a first side plate (102) and a second side plate (103) integrally arranged on the module bottom plate (101) along a length direction of the module base (100), and a plurality of partition plates (104) are arranged between the first side plate (102) and the second side plate (103) at intervals in parallel to form a plurality of independent cavities.

3. The intelligent control module built in the molded case circuit breaker according to claim 2, wherein the first side plate (102) is provided with a plurality of U-shaped slots (107), the upper portion of each U-shaped slot (107) is provided with a rectangular opening, the plurality of U-shaped slots (107) are arranged in a row and are arranged at equal intervals, the U-shaped slots (107) are provided with the wiring terminals (109), and the wiring terminals of the wiring terminals (109) are located at the rectangular openings at the upper portions of the U-shaped slots (107).

4. The intelligent control module built in a molded case circuit breaker according to claim 3, wherein the second side plate (103) is provided with a plurality of rectangular slots (105), the plurality of rectangular slots (105) are arranged in a row and are arranged at equal intervals, the side of the rectangular slot (105) is provided with a flange plate edge (106) protruding out of the second side plate (103), the rectangular slot (105) is provided with a wiring terminal (109), and the wiring terminal of the wiring terminal (109) is located at the bottom of the rectangular slot (105).

5. An intelligent control module built in a molded case circuit breaker according to claim 4, wherein the module base (100) is provided with a third side plate (108) having a rectangular hole at an end between the first side plate (102) and the second side plate (103).

6. The intelligent control module built-in a molded case circuit breaker according to claim 4, wherein the module support (200) comprises an upper side frame (201), one side surface of the outer portion of the upper side frame (201) is provided with a flange side plate (204), the other side surface of the outer portion of the upper side frame (201) is provided with a plurality of sets of positioning snap-gauge plates (205), when the module support (200) is installed on the module base (100), the flange side plate (204) is located at the upper edge of the first side plate (102), and the positioning snap-gauge plates (205) are snapped on the flange plate edge (106), so that the module support (200) and the module base (100) are reliably assembled.

7. An intelligent control module built in a molded case circuit breaker according to claim 6, wherein the guide mounting groove (203) is provided inside the upper side frame (201), and the circuit board assembly (300) is provided with an opening hole matching with the guide mounting groove (203).

8. The intelligent control module built in a molded case circuit breaker according to claim 1, wherein the circuit board assembly (300) is provided at an upper portion thereof with a plurality of operation buttons, the module bracket (200) is further provided at an upper portion thereof with a module top cover (500), and the module top cover (500) encloses the circuit board assembly (300) in the module bracket (200).

9. The intelligent control module built in a molded case circuit breaker according to claim 8, wherein the module base (100) of the intelligent control module is installed in a breaker body base (700) of the molded case circuit breaker, the module holder (200) is assembled and then the breaker body middle cover (600) is assembled, the circuit board assembly (300) and the module top cover (500) are assembled in the module holder (200), and the module top cover (500) is fixed to the breaker body middle cover (600) by screws.

10. A circuit breaker with a smart control module as claimed in any one of claims 1 to 9.