CN214898293U

CN214898293U - DPN intelligent circuit breaker

Info

Publication number: CN214898293U
Application number: CN202121385133.7U
Authority: CN
Inventors: 谷建国; 毛海锋
Original assignee: Suzhou Future Electrical Appliance Co ltd
Current assignee: Suzhou Future Electrical Appliance Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-11-26
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to a DPN intelligent circuit breaker, including shell and DPN module that opens circuit, DPN module that opens circuit includes mechanical locking subassembly, the operating handle subassembly, electromagnetic mechanism, the arc extinguishing subassembly rapidly, the moving contact, the static contact, the inlet wire interface and the interface of being qualified for the next round of competitions, set up electrical operation module and detection module in the shell, electrical operation module includes the motor, first gear, the second gear, gear box and PCB board with first gear and second gear meshing, set up microprocessor on the PCB board, the motor is connected to the PCB board, detection module includes zero sequence transformer and current transformer, zero sequence transformer is connected with the PCB board with current transformer. Above-mentioned structure realizes miniature circuit breaker's intellectuality, and the security performance is higher simultaneously, can reduce to 9mm from 18mm with every utmost point, can increase more circuit breakers on equal space, has transshipping, circuit break protection, realizes the collection and the remote control of electric parameters such as voltage, electric current, electric energy, electric leakage.

Description

DPN intelligent circuit breaker

Technical Field

The utility model belongs to the technical field of the circuit breaker technique and specifically relates to a DPN intelligent circuit breaker is related to.

Background

The DPN circuit breaker is applied to a circuit system, is a circuit breaker with a live wire and a zero line entering and exiting simultaneously, can be switched on or off simultaneously in control, and is higher in safety performance. Ordinary circuit breaker and DPN circuit breaker on the market at present do not all possess voltage, the electric current, the electric energy, the detection of electric parameter index such as electric leakage, also can't carry out long-range or intelligent control divide-shut brake operation, can't be applicable to intelligent house and require the automatic control field that has electric parameter to gather, the event has appeared an intelligent circuit breaker now and has satisfied above-mentioned detection demand, however the conventional one utmost point width of intelligent miniature circuit breaker on the market is 18mm, the digit is used inadequately in the block terminal space of restriction digit, like product all adopts external power supply on the market simultaneously because of space limitation, will raise the cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a DPN intelligent circuit breaker that combines DPN open circuit structure and electric operating system to combine is provided.

The utility model provides a technical scheme that its technical problem adopted is: a DPN intelligent circuit breaker comprises a shell and a DPN circuit breaking module arranged in the shell, the DPN circuit breaking module comprises a mechanical locking component, an operating handle component, an electromagnetic mechanism, a quick arc extinguishing component, a moving contact, a fixed contact, an incoming line interface and an outgoing line interface, an electric operation module for controlling the DPN breaking module and a detection module for detecting the DPN breaking module are arranged in the shell, the electric operating module comprises a motor, a first gear arranged on the shaft of the motor, a second gear arranged on the operating handle component, a gear box meshed with the first gear and the second gear, and a PCB, the PCB board on set up microprocessor, the PCB board connect the motor, detection module including set up zero sequence transformer and the current transformer in inlet wire kneck, zero sequence transformer and current transformer be connected with the PCB board.

More specifically, a power module for converting a high voltage into a low voltage is integrated on the PCB.

Further specifically, the operating handle assembly is provided with magnetic steel, and the magnetic steel is coupled with the PCB Hall sensor.

Further specifically, a temperature sensor is arranged in the shell and connected with the PCB.

Further specifically, the housing includes a first cover plate and a second cover plate, a first partition plate and a second partition plate are disposed between the first cover plate and the second cover plate, the first partition plate and the second partition plate divide the space in the housing into a first area, a second area and a third area, the DPN disconnection module is located in the first area and the second area, the electric manipulation module is located in the third area, and the detection module is located in the second area.

More specifically, the first partition plate extends towards the first cover plate to form a first cavity, the second partition plate extends towards the second cover plate to form a second cavity, openings of the first cavity and the second cavity are arranged oppositely, and the zero sequence transformer is arranged between the first cavity and the second cavity.

Further specifically, a network interface is arranged on the PCB.

Further specifically, the inlet wire interface have two and be located same end, the outlet wire interface have two and be located same end.

Further specifically, electromagnetic mechanism including set up mount on first baffle, set up iron core on the mount, coil and the ejector pin that is located the iron core middle part of winding on the iron core, the ejector pin act on mechanical locking subassembly.

More specifically, two groups of the extreme speed arc extinguishing assemblies are respectively arranged on two sides of the first partition plate.

The utility model has the advantages that: the structure through combining DPN circuit breaker and electric operating mechanism realizes miniature circuit breaker's intellectuality, and the security performance is higher simultaneously, can reduce to 9mm from 18mm with every utmost point, and multiplicable more circuit breakers have transshipping, the protection of opening a circuit on equal space, realize collection and the remote control of electric quantity such as voltage, electric current, electric energy, electric leakage.

Drawings

Fig. 1 is a schematic structural diagram of a DPN circuit breaking module according to the present invention;

fig. 2 is a schematic structural diagram of the electric operating module of the present invention;

FIG. 3 is a schematic structural view of the electric operating module (without PCB board);

fig. 4 is a schematic structural view of the DPN shutdown module of the present invention (without the first partition);

fig. 5 is an exploded view of the housing of the present invention;

fig. 6 and 7 are schematic structural views of the first separator of the present invention;

fig. 8 and 9 are schematic structural views of the second separator of the present invention.

In the figure: 10. a housing; 20. a mechanical locking assembly; 30. an operating handle assembly; 40. an electromagnetic mechanism; 50. an extremely fast arc extinguishing assembly; 60. a moving contact; 70. static contact; 80. an incoming line interface; 90. an outgoing line interface; 100. a motor; 110. a first gear; 120. a second gear; 130. a gear set; 140. a PCB board; 150. a network interface; 160. a zero sequence transformer; 11. a first cover plate; 12. a second cover plate; 13. a first separator; 14. a second separator; 15. a first chamber; 16. a second chamber.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, the DPN intelligent circuit breaker includes a housing 10 and a DPN circuit breaker module disposed in the housing 10, where the DPN circuit breaker module includes a mechanical locking component 20, an operating handle component 30, an electromagnetic mechanism 40, a rapid arc extinguishing component 50, a movable contact 60, a fixed contact 70, an incoming line interface 80, and an outgoing line interface 90, an electrical operating module for controlling the DPN circuit breaker module and a detection module for detecting the DPN circuit breaker module are disposed in the housing 10, and the DPN circuit breaker module is designed based on a structure of the DPN circuit breaker and has related functions of the DPN circuit breaker; the electric operating module is designed based on the structure of the existing electric operating mechanism and has the related functions of the electric operating mechanism, the electric operating module comprises a motor 100, a first gear 110 arranged on the shaft of the motor, a second gear 120 arranged on the operating handle assembly 30, a gear box 130 meshed with the first gear 110 and the second gear 120 and a PCB 140, a microprocessor is arranged on the PCB 140, the PCB 140 is connected with the motor 100, and the motor 100 is controlled by the microprocessor; the detection module detects and feeds back the working state and the electrical parameters of the DPN disconnection module, the detection module comprises a zero sequence transformer 160 and a current transformer which are arranged at the inlet wire interface 80, and the zero sequence transformer 160 and the current transformer are connected with the PCB 140. The zero sequence transformer 160 is used for collecting leakage signals in the DPN open circuit module, when a leakage risk occurs, the zero sequence transformer 160 collects the leakage signals and transmits the leakage signals to the microprocessor in the PCB 140 for processing, and the microprocessor outputs control signals to the motor 100 and drives the motor 100 to move; the current transformer is used for collecting current information in the DPN circuit-breaking module, when the circuit breaker is overloaded or short-circuited, the current transformer collects current signals and transmits the current signals to the microprocessor in the PCB 140 for processing, and the microprocessor controls the motion of the motor 100.

A power module for converting a high voltage into a low voltage is integrated on the PCB 140, and the power module can convert a voltage of 220V into 48V, 24V or 12V and then supply power to the electric operation module.

The operating handle assembly 30 on set up the magnet steel, the hall sensor coupling on magnet steel and the PCB board 140, the hall sensor confirms the position of handle through detecting the magnet steel on the operating handle assembly 30 to judge the combined floodgate and the state of opening the floodgate of circuit breaker, the state feedback of circuit breaker and record are in the microprocessor in PCB board 140, and show at the remote end.

Because the circuit breaker is in the use, can generate heat in the circuit breaker inside when the electric current passes through, lead to the inside temperature rise of circuit breaker, the high temperature can influence the use of circuit breaker and take place the incident easily shell 10 in set up temperature sensor, temperature sensor be connected with PCB board 140, set up the temperature threshold in PCB board 140's microprocessor, when the inside high temperature of circuit breaker and be higher than the temperature threshold, temperature sensor detects the temperature signal transmission to microprocessor of circuit breaker, microprocessor control motor 100 rotates, stirs the operating handle subassembly 30 in the DPN broken circuit module to the state disconnection circuit breaker of opening the floodgate.

In order to remotely transmit the actual state of the circuit breaker, a network interface 150 is disposed on the PCB 140, and the remote end or the mobile end may be connected and controlled through a wireless network or a bluetooth connection.

DPN opens circuit module's inlet wire interface 80 has two and is located same end, outlet wire interface 90 have two and be located same end, the live wire gets into the circuit breaker simultaneously with the zero line and draws forth the circuit breaker again simultaneously, when operating the circuit breaker, can break off zero line and live wire simultaneously, the security performance of circuit breaker improves.

As shown in fig. 5, the internal space of the housing 10 is further reasonably allocated based on the above structure, the housing 10 includes a first cover plate 11 and a second cover plate 12, a first partition plate 13 and a second partition plate 14 are disposed between the first cover plate 11 and the second cover plate 12, the first partition plate 13 and the second partition plate 14 divide the internal space of the housing 10 into a first region, a second region and a third region, the DPN disconnecting module is located in the first region and the second region, the electric operating module is located in the third region, and the detection module is located in the second region; wherein, utmost point fast subassembly 50 that arcs out has two sets ofly to set up respectively in the both sides of first baffle 13, and a set of utmost point fast subassembly 50 that arcs out is located first region promptly, and another group utmost point fast subassembly 50 that arcs out is located the second region to separate through first baffle 13, guaranteed that work does not disturb each other between two sets of utmost point fast subassembly 50 that arcs out, improve the security performance of circuit breaker.

As shown in fig. 6 and 7, the first partition 13 protrudes toward the first cover plate 11 to form a first chamber 15, and as shown in fig. 8 and 9, the second partition 14 protrudes toward the second cover plate 12 to form a second chamber 16, the first chamber 15 and the second chamber 16 are disposed opposite to each other, and the zero sequence transformer 160 is disposed between the first chamber 15 and the second chamber 16; because the zero sequence transformer 160 needs to occupy a large space when placed, with the above structure, the first chamber 15 occupies a partial space in the first area, and the second chamber 16 occupies a partial space in the third area, wherein one side of the zero sequence transformer 160 is inserted into the first chamber 15, and the other side is inserted into the second chamber 16, and the first chamber 15 and the second chamber 16 can clamp and fix the zero sequence transformer 160.

Electromagnetic mechanism 40 is including setting up the mount on first baffle 13, setting up iron core, the coil of winding on the iron core on the mount and being located the ejector pin at iron core middle part, the ejector pin act on mechanical locking subassembly 20, supply power to electromagnetic mechanism 40 through microprocessor, electromagnetic mechanism 40's ejector pin drive mechanical locking subassembly 20 unblock and drive operating handle subassembly 30 switching-off operation.

In conclusion, the DPN circuit breaking module and the electric operation module are combined with each other, so that the size of the circuit breaker can be reduced, more circuit breakers can be installed in the same space, the space utilization rate is improved, meanwhile, the two incoming line interfaces 80 and the two outgoing line interfaces 90 ensure that a live line and a zero line are connected simultaneously, the simultaneous disconnection is facilitated, and the safety performance is improved; the power supply module for converting high voltage into low voltage is integrated on the PCB, an external switching power supply is not used, the cost is reduced, and the space is saved; the whole circuit breaker realizes miniaturization and intellectualization, has overload and short-circuit protection, and realizes real-time sampling of voltage, current, electric energy and leakage value, and remote control, intelligent control and protection of circuits.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. A DPN intelligent circuit breaker comprises a shell (10) and a DPN circuit breaking module arranged in the shell (10), wherein the DPN circuit breaking module comprises a mechanical locking assembly (20), an operating handle assembly (30), an electromagnetic mechanism (40), a quick arc extinguishing assembly (50), a movable contact (60), a fixed contact (70), an incoming line interface (80) and an outgoing line interface (90), and is characterized in that an electric operation module for controlling the DPN circuit breaking module and a detection module for detecting the DPN circuit breaking module are arranged in the shell (10), the electric operation module comprises a motor (100), a first gear (110) arranged on a motor shaft, a second gear (120) arranged on the operating handle assembly (30), a gear box (130) meshed with the first gear (110) and the second gear (120) and a PCB (140), and a microprocessor is arranged on the PCB (140), PCB board (140) connect motor (100), detection module including set up zero sequence transformer (160) and the current transformer in inlet wire interface (80) department, zero sequence transformer (160) be connected with PCB board (140) with current transformer.

2. The DPN smart circuit breaker of claim 1, characterized in that a power module for converting a high voltage to a low voltage is integrated on the PCB board (140).

3. The DPN smart circuit breaker of claim 1, wherein a magnetic steel is provided on the operating handle assembly (30), the magnetic steel being coupled to a hall sensor of the PCB board (140).

4. The DPN smart circuit breaker of claim 1, characterized in that a temperature sensor is arranged in the housing (10), said temperature sensor being connected to a PCB board (140).

5. The DPN smart circuit breaker according to claim 1, characterized in that the housing (10) comprises a first cover plate (11) and a second cover plate (12), a first partition (13) and a second partition (14) are disposed between the first cover plate (11) and the second cover plate (12), the first partition (13) and the second partition (14) divide the space inside the housing (10) into a first area, a second area and a third area, the DPN circuit breaker module is located in the first area and the second area, the electric operating module is located in the third area, and the detection module is located in the second area.

6. The DPN smart breaker of claim 5, characterized in that the first partition (13) protrudes in the direction of the first cover (11) to form a first chamber (15), the second partition (14) protrudes in the direction of the second cover (12) to form a second chamber (16), the first chamber (15) is opposite to the opening of the second chamber (16), and the zero sequence transformer (160) is disposed between the first chamber (15) and the second chamber (16).

7. The DPN smart breaker of claim 1, characterized in that a network interface (150) is provided on the PCB board (140).

8. The DPN smart circuit breaker according to claim 1, characterized in that two incoming line interfaces (80) are located at the same end, and two outgoing line interfaces (90) are located at the same end.

9. The DPN smart circuit breaker according to claim 5, characterized in that the electromagnetic mechanism (40) comprises a fixed frame arranged on the first partition (13), an iron core arranged on the fixed frame, a coil wound on the iron core, and a plunger arranged in the middle of the iron core, wherein the plunger acts on the mechanical locking assembly (20).

10. The DPN smart circuit breaker of claim 1, wherein two groups of rapid arc quenching assemblies (50) are disposed on two sides of the first partition (13).