CN220984446U - Modularized measuring circuit breaker - Google Patents

Abstract

The utility model discloses a modular measuring circuit breaker, which comprises a transformer device and a controller device which are arranged in a shell structure in an up-down opposite way, wherein an electric connection part is arranged on one of the controller device and the transformer device, and an electric connection part is correspondingly arranged on the other of the controller device and the transformer device.

Description

Modularized measuring circuit breaker

Technical Field

The utility model relates to the technical field of piezoelectric devices, in particular to a modular measuring circuit breaker.

Background

In a power supply and distribution system, along with the increasing intelligent requirements of a circuit breaker, real-time detection of a plurality of electric power parameters such as voltage, current, power factor, harmonic wave and the like is often required, the intelligent control and electric energy metering functions are added on the basis of an electronic molded case circuit breaker, electronic modules such as a controller and a communication module are usually required to be installed in the circuit breaker, the controller mainly comprises a plurality of circuit boards and electronic components, and detection lines such as a current transformer, a metering transformer, a temperature sensor and an electronic trip in the circuit breaker are connected to the controller through wires, so that the information acquisition, communication transmission and intelligent control functions of the circuit breaker by the controller are realized, and the working information such as the voltage, the current and the temperature of the circuit breaker can be detected.

In order to facilitate installation, the existing electronic molded case circuit breaker with measuring function also starts to develop towards the modularization direction, mainly realizes modularized installation between a communication module, a controller and a shell, referring to fig. 11, the measuring molded case circuit breaker comprises a circuit breaker shell 01, an accessory function module 02, a measuring and communication module 03 and a controller component, wherein the circuit breaker shell comprises a middle cover arranged at the top of the circuit breaker shell, the measuring and communication module is arranged in an installation groove of the middle cover, the accessory function module is adjacent to the measuring and communication module and is installed on the middle cover, a plurality of current transformers 06 are arranged in one end of the circuit breaker shell, the controller component comprises an installation seat 05 which is detachably fixed in the circuit breaker shell and is positioned above the current transformers 06, and a control main board 04 which is fixed on the installation seat and is kept connected with the circuit breaker shell through the installation seat, and the measuring and communication module is in plug-in fit with the control main board after penetrating through the middle cover through a connector structure, and other functional circuits in the circuit transformers and the circuit breaker are connected to the control main board through soft wires or plug-in ways.

As can be seen from the structure of the measuring molded case circuit breaker, the following problems still exist: 1. the plurality of transformers penetrate into the mounting seat through the soft connection mode to be connected with the controller, the mounting structure is complex, the wiring is arranged in disorder in the circuit breaker, the wiring is easy to be damaged by pressing, the mounting efficiency is low, and the modular development of products is not facilitated; 2. because the top side of the mounting seat is in an open structure design, the protection level of the controller arranged on the mounting seat is poor, and especially free particles generated by breaking of the circuit breaker can cause corrosion damage to the controller under the blowing of strong air flow, so that the service life of the controller can be shortened.

Disclosure of utility model

Therefore, the utility model aims to solve the technical problems that a plurality of transformers in the prior art penetrate into an installation seat to be connected with a controller in a soft connection mode, the installation structure is complex, the wiring is easy to be damaged due to the fact that the wiring is arranged in the circuit breaker in a disordered way, the installation efficiency is low, and the installation cost is high.

In order to solve the technical problems, the utility model provides a modularized measuring circuit breaker, which comprises a shell structure with an installation cavity, and a mutual inductor device and a controller device which are arranged in the installation cavity in an up-down opposite way, wherein the controller device is electrically connected with the mutual inductor device through a connecting structure and is used for sending current information acquired by the mutual inductor device to the controller device, the connecting structure comprises an electric connection part arranged on one of the controller device and the mutual inductor device, and an electric interface part correspondingly arranged on the other of the controller device and the mutual inductor device, and the electric connection part and the electric interface part form plug-in fit to ensure that the controller device and the mutual inductor device are kept in positioning connection in the installation cavity.

In the above-mentioned modular measurement circuit breaker, the said mutual inductor device includes the mounting bracket and a plurality of mutual inductor modules that set up on the mounting bracket at intervals, there are a plurality of electrical connectors that stretch out of the mounting bracket on a plurality of mutual inductor modules separately;

the controller device comprises an insulation box and a controller main board, wherein the insulation box is arranged in a closed structure, and the controller main board is arranged in the insulation box, and a plurality of electrical interface parts connected with the controller main board are arranged on the insulation box corresponding to a plurality of electrical plug parts.

In the above-mentioned modular measurement circuit breaker, the electrical connector includes a first connector protruding from the top of the transformer module, and a pin assembly disposed on the first connector;

The electrical interface part comprises a first interface arranged at the bottom of the insulation box and a first connecting seat which is arranged on the controller main board and is accommodated in the first interface, and a jack component matched with the contact pin component is arranged on the first connecting seat; the first connector plug drives the pin assembly to be oppositely inserted and connected with the first connecting seat when being matched and inserted into the first interface.

In the modular measuring circuit breaker, a visual window for observing the connection position of the electrical connector and the electrical interface is arranged on one side surface of the insulating box, and the first plug is used for shielding the visual window when being inserted into the first interface.

In the modular measuring circuit breaker, the mounting bracket comprises three mounting grooves for mounting three transformer modules at intervals and three open ends which are arranged at the top of the mounting bracket and are communicated with the three mounting grooves, and hollow columns penetrating through middle through holes of the transformer modules are arranged in the mounting grooves; the first interface is provided with an interface plug bush which is formed at the bottom of the insulating box and is abutted to the opening end, the first plug and the pin assembly thereof penetrate through the opening end and are inserted into the interface plug bush, and a limiting assembly is arranged between the first plug and the interface plug bush.

In the modular measuring circuit breaker, the transformer module comprises a current transformer, a measuring transformer and a solid sealing layer structure which is used for wrapping and sealing the current transformer and the measuring transformer into a whole, the electric plug-in part is integrally formed with the solid sealing layer structure, and the contact pin assembly on the electric plug-in part is respectively connected with the wiring ends of the current transformer and the measuring transformer.

In the above modular measuring circuit breaker, the carrier communication device above the controller device is arranged in the shell structure, the carrier communication device is connected with the controller device in an inserting manner, and the carrier communication device, the controller device and the transformer device are sequentially installed in the installation cavity in a pluggable manner from top to bottom.

In the above-mentioned modular measurement circuit breaker, the controller device includes a second interface provided at the top of the insulation box, and a second connection seat penetrating through the second interface and connected to the controller motherboard; the carrier communication device bottom is provided with the second plug that links to each other with the second connecting seat butt-joint, the spacing butt of second plug in the spacing groove.

In the modular measuring circuit breaker, the insulation box comprises a plurality of first channels arranged on the other side face of the insulation box, and the openings of the first channels face one side of the transformer device; the mounting bracket is provided with a plurality of fourth channels corresponding to the first channels, the upper ends of the fourth channels are inserted into the openings of the first channels, the bottom of the shell structure corresponding to the fourth channels is provided with lead holes in a penetrating manner, and the lower ends of the fourth channels are inserted into the lead holes; and enabling the functional circuit in the circuit breaker to pass through the fourth channel and the first channel and enter the insulation box for connecting the controller main board.

In the modular measuring circuit breaker, the insulation box comprises a second channel protruding and extending to the top of the insulation box, a fifth channel vertically communicated with the second channel is arranged on the shell structure, a zero line connecting module which is inserted between the fifth channel and the second channel and is in plug-in fit with the controller device, a third connecting seat matched and accommodated in the second channel is arranged on the controller main board, a third plug which is connected with the third connecting seat in a plug-in mode is arranged at the lower end of the zero line connecting module, and a wiring port which is exposed out of the side wall of the shell structure and used for externally connecting a zero line is arranged at the upper end of the zero line connecting module.

In the above modular measuring circuit breaker, an accessory module for feeding back the on-off state information of the circuit breaker is installed in the accessory groove of the shell structure, the insulation box comprises a third channel extending to one side of the accessory module, and a sixth channel connected with the third channel and the accessory groove is arranged on the shell structure, so that a transmission harness of the accessory module passes through the sixth channel and the third channel to enter the insulation box to be connected with the controller main board.

In the modular measuring circuit breaker, the insulation box comprises a box seat and a box cover which are fixedly connected through a buckling structure, the buckling structure comprises a plurality of buckling bosses arranged on the peripheral side walls of the box seat and a plurality of elastic buckle plates arranged on the peripheral side walls of the box cover, and the elastic buckle plates and the buckling bosses form clamping fit.

In the modular measuring circuit breaker, a containing groove with a semi-surrounding structure is formed between the controller device and the transformer device, and an electronic release for driving the circuit breaker to execute trip opening is arranged in the containing groove.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. According to the modular measuring circuit breaker, the mutual inductor device and the controller device are arranged in the installation cavity of the shell structure, the mutual inductor device and the controller device are kept in positioning connection through the plug-in matching of the electric plug-in part and the electric interface part, and the electric connection function is achieved between the mutual inductor device and the controller device, so that the controller device receives current information collected by the main circuit of the circuit breaker from the mutual inductor device, the intelligent monitoring function of the electric quantity parameter information of the circuit breaker is achieved, the hard connection mode of the connector is adopted between the controller device and the mutual inductor device in the structural design to achieve quick connection, the internal junction layout of a product is reasonably optimized, the structure is more compact, the installation and the disassembly are convenient, the controller device is prevented from being connected with the controller device in a traditional soft connection mode, the installation structure is simplified, the modularization and convenient installation effect between the controller device and the mutual inductor device are achieved, the maintenance work is also convenient, the installation efficiency is improved, the production cost is reduced, the development of the measuring circuit breaker towards the direction of modularization and standardized assembly is facilitated, and the market competitiveness is improved.

2. According to the modular measuring circuit breaker provided by the utility model, the controller device consists of the insulation box and the controller main board, the insulation box plays a role in mounting and protecting the controller main board, so that the corrosion damage to the controller caused by free gas and particles generated by breaking of the circuit breaker is avoided, when the controller device is matched and plugged with the transformer device, the first plug on the plurality of transformer modules is matched and inserted into the first interface of the insulation box, the pin assembly on the first plug is driven to form plug fit with the first connecting seat in the first interface, the first plug is used for plugging the first interface position after being mounted, the plurality of transformer modules designed in this way can be mounted and connected with the controller device in one step, the mounting step is reduced by adopting a plug-in mode, the mounting and maintenance are facilitated, the dustproof sealing effect is also realized, the sealing connection effect between the controller device and the plurality of transformer modules is realized, the free gas is prevented from entering the insulation box from the connecting position, the electric connection between the two is realized, the current information of the plurality of transformer modules can be transmitted to the controller main board, and the centralized information collection is realized.

3. In the modularized measuring circuit breaker provided by the utility model, the visual window connected with the first interface is arranged on one side surface of the insulating box, and when the controller device and the transformer module are installed in a plugging manner through the electric plug-in part and the electric plug-in part, whether the electric plug-in part and the electric plug-in part are connected in place or not can be observed through the visual window, so that the epitope controller device and the transformer module are installed in place when the first plug-in plug is inserted into the first interface and the visual window is shielded, and the examination is also convenient.

4. In the modular measuring circuit breaker provided by the utility model, the carrier communication device, the controller device and the mutual inductor device are sequentially installed in the installation cavity in a pluggable manner from top to bottom, namely, the three devices are respectively connected in a plugging manner by adopting connectors, so that the modular measuring circuit breaker has excellent electrical performance and mechanical performance, short connection distance and small occupied space, the product structure is made more compact, modular installation is realized, mass production and assembly of products are facilitated, and the assembly efficiency is improved.

5. In the modular measuring circuit breaker provided by the utility model, the transformer module is integrally manufactured by fixedly sealing the current transformer and the measuring transformer through the pouring sealant, the contact pin assembly of the electric connection part is exposed out of the top of the transformer module, and the contact pin assembly is convenient to be connected with a controller device in an inserting way.

6. In the modularized measuring circuit breaker provided by the utility model, the plurality of first channels are arranged on the other side surface of the insulating box, the plurality of fourth channels communicated with the plurality of first channels are correspondingly arranged on the mounting bracket, the functional circuit in the circuit breaker passes through the fourth channels and the first channels to enter the insulating box to be connected with the controller main board, and the functions of signal detection, functional protection, intelligent control and the like of the circuit breaker are realized after the controller main board is connected with the functional circuit.

7. According to the modular measuring circuit breaker, the second channel is further arranged according to the insulation box, the fifth channel communicated with the second channel is arranged on the shell structure, the zero line connecting module is inserted into the insulation box along the fifth channel and the second channel, is in plug-in fit with the controller main board through the third plug and the third connecting seat, and is connected with the second channel through the fifth channel to form a closed circuit channel communicated with the inner cavity of the insulation box.

8. According to the modular measuring circuit breaker provided by the utility model, the accessory module is arranged in the accessory groove of the shell structure, the third channel extending to one side of the accessory module is arranged on the insulating box, the sixth channel is correspondingly connected between the accessory groove and the third channel, and the sixth channel is connected with the third channel to form a closed circuit channel communicated with the inner cavity of the insulating box, so that a transmission wiring harness of the accessory module passes through the sixth channel and the third channel to enter the insulating box to be connected with the controller main board, the transmission wiring harness is protected, the circuit connection between the accessory module and the controller device is realized, the controller device can detect the opening and closing state information of the circuit breaker through the accessory module, the real-time monitoring is carried out on the opening and closing state of the circuit breaker, and the signal alarming function can be also realized.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

FIG. 1 is a schematic plan view of a measuring circuit breaker according to the present utility model;

FIG. 2 is a schematic cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a schematic cross-sectional view of the structure along line B-B shown in FIG. 1;

FIG. 4 is a schematic cross-sectional view of the structure along line C-C shown in FIG. 1;

FIG. 5 is a schematic view of the controller device and the transformer device of the present utility model in a housing structure;

FIG. 6 is a schematic diagram of the mounting structure of the controller device and the transformer device of the present utility model;

FIG. 7 is a schematic plan view of a controller device and a transformer device according to the present utility model;

FIG. 8 is a schematic diagram of a controller device according to the present utility model;

Fig. 9 is a schematic structural view of the transformer apparatus of the present utility model;

FIG. 10 is a schematic view of the bottom of the housing structure of the present utility model;

FIG. 11 is a schematic diagram of a prior art measuring molded case circuit breaker;

Reference numerals illustrate: 1. a housing structure; 11. a fifth channel; 12. a sixth channel; 13. a lead hole; 101. a base; 102. a middle seat; 2. a transformer device; 21. a transformer module; 22. a mounting bracket; 23. a mounting groove; 24. a fourth channel; 3. a controller device; 31. a controller motherboard; 32. an insulation box; 321. a box base; 322. a box cover; 323. a buckle structure; 33. a second interface; 34. a second connecting seat; 35. a third connecting seat; 36. a first channel; 37. a second channel; 38. a third channel; 39. a visual window; 4. a carrier communication device; 41. a second plug; 5. an electrical connection portion; 51. a first plug; 52. a pin assembly; 6. an electrical interface portion; 61. a first interface; 62. a first connection base; 63. an interface plug bush; 7. a zero line connection module; 71. a third plug; 72. a wiring port; 8. and an accessory module.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that 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 utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

The embodiment provides a modularized measuring circuit breaker as shown in fig. 1-10, which comprises a shell structure 1 with an installation cavity, and a mutual inductor device 2 and a controller device 3 which are arranged in the installation cavity in an up-down opposite mode, wherein the controller device 3 is electrically connected with the mutual inductor device 2 through a connecting structure and is used for sending current information acquired by the mutual inductor device 2 to the controller device 3; the connecting structure comprises an electric connector 5 arranged on one of the controller device 3 and the transformer device 2 and an electric connector 6 correspondingly arranged on the other of the controller device 3 and the transformer device 2, and the electric connector 5 and the electric connector 6 form plug-in fit so that the controller device 3 and the transformer device 2 are kept in positioning connection in the installation cavity.

In the above embodiment, according to the transformer device 2 and the controller device 3 installed in the installation cavity of the circuit breaker, the transformer device 2 and the controller device 3 are kept in positioning connection through the plug-in cooperation of the electrical connector 5 and the electrical connector 6, and have an electrical connection function between the two, so that the controller device 3 receives current information collected by the transformer device 2 to the main circuit of the circuit breaker, thereby realizing an intelligent monitoring function for electric quantity parameter information of the circuit breaker, the controller device 3 and the transformer device 2 of the structural design are connected in a quick manner by adopting a hard connection mode of a connector, the internal junction layout of a product is reasonably optimized, the structure is more compact, the installation and the disassembly are more convenient, thereby avoiding that the transformer device is connected with the controller device by adopting a traditional soft connection mode, simplifying the installation structure, realizing modularization and facilitating the installation effect between the controller device and the transformer device, facilitating the maintenance work, improving the installation efficiency, reducing the production cost, being favorable for promoting the development of measuring the direction of the circuit breaker to modularization and standardized assembly, and promoting the market competitiveness.

The following details the specific arrangement of the connection structure between the controller device and the transformer device with reference to fig. 2 and fig. 5-9:

According to the function of the transformer device 2 for detecting the current information of the main circuit of the breaker, the measuring breaker provided in this embodiment is of a three-phase circuit structure, specifically, the transformer device 2 includes a mounting bracket 22 and three transformer modules 21 arranged on the mounting bracket 22 at intervals, and three electrical connectors 5 extending out of the mounting bracket 22 are respectively arranged on the three transformer modules 21; correspondingly, the controller device 3 includes an insulation box 32 arranged in a closed structure, and a controller main board 31 arranged in the insulation box 32, the insulation box 32 is provided with three electrical interface parts 6 connected with the controller main board 31 corresponding to a plurality of electrical plug-in parts 5, so that the three transformer modules 21 are electrically connected with the controller main board 31 in the controller device 3, and thus, related current information of a three-phase main circuit of the circuit breaker is detected through the three transformer modules 21 and sent to the controller main board 31, and the controller body has a function of data information processing, and is used as a core to control other devices in the circuit breaker through a circuit or a protocol so as to realize functions of intelligent control and electric energy metering of the circuit breaker. The controller main board 31 is arranged in the closed space of the insulating box 32, and the insulating box plays a role in mounting and protecting the controller main board, so that the erosion and damage of free gas and particles generated by the breaking of the circuit breaker to the controller are avoided.

As a preferred embodiment, the electrical connector 5 includes a first connector 51 protruding from the top of the transformer module 21, and a pin assembly 52 disposed on the first connector 51; correspondingly, the electrical interface 6 includes a first interface 61 provided at the bottom of the insulating box 32, and a first connection seat 62 provided on the controller motherboard 31 and accommodated in the first interface 61, where the first connection seat 62 is provided with a jack assembly matched with the pin assembly 52. As can be seen from the above structure, the controller device 3 is composed of the insulation box 32 and the controller motherboard 31, and the transformer device 2 is composed of the mounting bracket 22 and the plurality of transformer modules 21, when the controller device 3 and the transformer device 2 are mounted, the first plug 51 is inserted into the first interface 61 in a matching manner, so as to drive the pin assembly 52 to be connected with the first connecting seat 62 in an opposite manner, the first plug 51 is mounted to block the first interface 61, the plurality of transformer modules 21 designed in this way can be mounted and connected with the controller device 3 in one step, and the connector mode is adopted to reduce the mounting steps, facilitate the mounting and the maintenance, and also has a dustproof sealing effect, so that the sealing connection effect can be achieved between the controller device 3 and the plurality of transformer modules 21, free gas can be prevented from entering the insulation box from the connection position of the two, the electric connection between the two is reliably realized, and the current information collected by the plurality of transformer modules can be sent to the controller motherboard, so as to realize information processing.

As a specific structural arrangement, as shown in fig. 9, the mounting bracket 22 includes three mounting slots 23 spaced to mount three transformer modules 21, and three open ends opened at the top of the mounting bracket 22 and communicating with the three mounting slots 23, the mounting slots 23 are provided with hollow columns passing through the middle through holes of the transformer modules 21, two ends of the hollow columns penetrate through two sides of the mounting bracket 22, so that a main circuit board of the circuit breaker can penetrate through the hollow columns, in order to ensure the connection tightness between the controller device 3 and the transformer device 2, the first interface 61 has an interface plug 63 formed at the bottom of the insulating box 32 and abutting on the open ends, the first plug 51 and the pin assembly 52 thereof penetrate through the open ends to be inserted into the interface plug 63, and a limiting assembly is arranged between the first plug 51 and the interface plug 63, and includes two sets of limiting bosses respectively arranged on the interface plug 63 and the first plug 51, and the first plug can be matched with the first plug 51 in a first size and a first plug size by matching the two sets of limiting bosses.

As shown in fig. 2 and 7, the housing structure 1 is composed of a base 101 and a middle base 102, a visual window 39 for observing the connection position between the electrical connector 5 and the electrical connector 6 is provided on one side of the insulating box, when the controller device 3 and the transformer module 21 are mounted in a plugging manner with the electrical connector 5 and the electrical connector 6, whether the electrical connector 5 and the electrical connector 6 are connected in place can be observed through the visual window 39, so that when the first connector 51 is inserted into the first interface 61 and the visual window 39 is blocked, the controller device and the transformer module are mounted in a plugging manner, and the inspection is also convenient.

Further preferably set up, the mutual-inductor module 21 includes current transformer and measurement mutual-inductor to and with current transformer and measurement mutual-inductor parcel seal solid seal layer structure that becomes integrative admittedly, electrical property connect plug-in part 5 with seal layer structure integrated into one piece, contact pin subassembly 52 on it respectively with current transformer and measurement mutual-inductor's wiring end links to each other, and this seal layer structure is by the casting glue solidification formation, current transformer is the current information that is used for gathering circuit breaker main circuit, and can detect out whether the circuit breaker takes place short circuit, under-voltage and overvoltage condition through controller mainboard 31, and measurement mutual-inductor's precision is higher, and it is mainly to gather the electric quantity parameter information of circuit breaker main circuit, obtains the power consumption of circuit breaker three-phase line through controller mainboard 31 calculation analysis, and this kind of structure setting, current transformer and measurement mutual-inductor pass through the solid seal preparation of casting glue structure and form an holistic mutual-inductor module 21, and make the contact pin subassembly 52 of electrical property connect plug-in part 5 expose in mutual-inductor module 21 top, the convenience carries out the installation with controller device 3, and installs in this kind of sealing structure, and the improvement that the seal layer is designed in that the improvement is realized in the direct mounting effect of the heat-exchanger module, the heat dissipation effect is realized through the direct mounting groove, the heat dissipation effect of the direct installation of the heat-insulating structure.

In this embodiment, as shown in fig. 2-4, the carrier communication device 4 located above the controller device 3 is disposed in the housing structure 1, the carrier communication device 4 is connected with the controller device 3 in a plugging manner, the carrier communication device 4, the controller device 3 and the transformer device 2 are sequentially installed in the installation cavity in a pluggable manner from top to bottom, the housing structure 1 is composed of a base 101 and a middle base 102, the installation cavity comprises an upper cavity disposed on the middle base 102, and a lower cavity formed between the base 101 and the middle base 102, the carrier communication device 4 is installed in the upper cavity, the controller device 3 and the transformer device 2 are connected in the lower cavity, that is, the carrier communication device 4, the controller device 3 and the transformer device 2 are respectively connected in a plugging manner by adopting a connector manner, and the device has excellent electrical performance and mechanical performance, a short connection distance, less occupied space, a product structure is more compact, and realizes modularized installation, facilitates mass production and assembly of products, thus, the carrier communication device is convenient to replace or repair and maintain the carrier communication device.

As a specific structural arrangement, the controller device 3 includes a second interface 33 formed at the top of the insulating box 32, a second connecting seat 34 matched with and penetrating through the second interface 33 and connected with the controller motherboard 31, and a limit slot formed around the second connecting seat 34 at the port of the second interface 33, a second plug 41 connected with the second connecting seat 34 in a butt-plug manner is arranged at the bottom of the carrier communication device 4, the second plug 41 is in a limit butt-connection manner with the limit slot, from the above structure, the carrier communication device 4 and the controller device 3 are electrically connected with the second connecting seat 34 through the second plug 41, the connector principle design can realize quick plug connection, further has a dustproof effect and a sealing effect, and realizes the communication connection between the circuit breaker and the smart grid system by carrying out high-speed transmission on analog or digital signals of the circuit breaker through the carrier communication device, and can also realize remote control on the circuit breaker according to signal instructions.

The specific structure of the controller device is described in detail below with reference to fig. 4-10:

The insulation box 32 comprises a box seat 321 and a box cover 322 which are fixedly connected through a buckling structure 323, the buckling structure 323 comprises a plurality of buckling bosses arranged on the peripheral side walls of the box seat 321 and a plurality of elastic buckling plates arranged on the peripheral side walls of the box cover 322, the elastic buckling plates and the buckling bosses form clamping fit, when in installation, the controller main board 31 is fixed into the box seat 321 through a fastener, and then the box cover 322 is buckled onto the box seat 321, so that the insulation box is convenient and quick to install. The insulation box 32 further comprises a plurality of first channels 36 arranged on the other side surface of the insulation box 32, the first channels 36 are respectively communicated with the inner cavity of the insulation box 32, the first channels 36 are opened towards one side of the transformer device 2, a plurality of fourth channels 24 corresponding to the first channels 36 are arranged on the mounting bracket 22, the upper ends of the fourth channels 24 are inserted into the openings of the first channels 36, the bottom of the shell structure is correspondingly provided with lead holes 13 in a penetrating manner through the fourth channels 24, and the lower ends of the fourth channels 24 are inserted into the lead holes 13; according to the circuit breaker, a plurality of functional circuits (A in fig. 4 is used for representing the functional circuits) for connecting the controller device 3 are arranged, the functional circuits penetrate through the lead holes, the fourth channels and the first channels from the bottom of the circuit breaker and enter the insulation box 32 to be connected with the controller main board 31, the functional circuits comprise detection circuits, driving circuits, signal circuits and the like, the functional circuits are connected with the controller main board in a wiring harness connection mode, the functions of signal detection, functional protection, intelligent control and the like of the circuit breaker are realized after the connection between the controller main board and the functional circuits is established, the first channels and the fourth channels are used for guiding the functional circuits, the wiring is orderly, the circuits are prevented from being crushed during installation, and the circuit has a good protection effect.

The measuring circuit breaker of this embodiment needs external zero line, forms the power supply loop that is arranged in providing working power for controller device 3 through the cooperation of one of them phase line of circuit breaker, for this reason be provided with zero line connection module 7 on shell structure 1, as a concrete structure setting, combine shown in fig. 3 and fig. 6, insulating box 32 including protruding setting up at its top second passageway 37, be provided with vertical intercommunication on shell structure 1 the fifth passageway 11 of second passageway 37, zero line connection module 7 alternates between fifth passageway 11 and second passageway 37 and with the cooperation of pegging graft of controller device 3, wherein, be provided with on the controller mainboard 31 the matching and hold third connecting seat 35 in the second passageway 37, the lower extreme of zero line connection module 7 be equipped with third connecting seat 35 is to plug-in connection's third connector 71, its upper end be equipped with in shell structure 1 lateral wall is used for the wiring 72 of external zero line, link up through fifth passageway 11 and second passageway 37 and form a wiring connection module 3 and connect between the connection device of this zero line connection module installation effectiveness of connecting device, realize the connection of this zero line connection module is realized in a quick-connect module installation facility, and is flexible.

According to the circuit breaker, in which the accessory module 8 is usually mounted, the accessory module 8 is mounted in an accessory groove of the housing structure 1, and since the accessory module has various types, the accessory module 8 in this embodiment is preferably an auxiliary contact module, which mainly functions to detect the on/off state information of the circuit breaker, in order to achieve the connection between the accessory module 8 and the controller device 3, as shown in fig. 3 and 6, the insulation box 32 includes a third channel 38 extending to one side of the accessory module 8, and the housing structure 1 is provided with a sixth channel 12 connecting the third channel 38 and the accessory groove, so that a transmission harness of the accessory module 8 passes through the sixth channel 12 and the third channel 38 into the insulation box 32 to be connected with the controller main board 31. The structure is provided, the sixth channel 12 is connected with the third channel 38 to form a closed circuit channel communicated with the inner cavity of the insulation box 32, so that a transmission wire harness of the accessory module 8 passes through the sixth channel 12 and the third channel 38 to enter the insulation box 32 to be connected with the controller main board 31, the transmission wire harness plays a role in protecting, the circuit connection between the controller device 3 and the accessory module 8 is realized, the controller device can detect the opening and closing state information of the circuit breaker through the accessory module, the circuit breaker is in an opening state or a closing state to be monitored in real time, and the signal alarm function can be realized.

According to the above structure, the first interface 61 and the second interface 33 on the insulation box 32 are respectively and tightly matched with the first connecting seat 62 and the second connecting seat 34, and the first channel 36, the second channel 37 and the second channel 37 on the insulation box 32 are respectively and tightly matched with the fourth channel 24, the fifth channel 11 and the sixth channel 12, so that the connection distance is increased, the insulation box has good installation sealing performance, free particles in the circuit breaker are effectively isolated from entering the insulation box from the interfaces and the channel positions, the installation connection of the controller device and other devices and circuits in the circuit breaker can be ensured, the sealing installation effect on the controller main board in the insulation box can be also realized, the installation protection level of the controller main board is improved, and the service life is prolonged.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (11)

1. A modular measuring circuit breaker comprising a housing structure (1) with a mounting cavity, and a transformer device (2) and a controller device (3) arranged in the mounting cavity in an up-down opposite manner, characterized in that: the controller device (3) and the mutual inductor device (2) form electric connection through a connecting structure, the connecting structure comprises an electric connection part (5) arranged on one of the controller device (3) and the mutual inductor device (2) and an electric connection part (6) correspondingly arranged on the other of the controller device (3) and the mutual inductor device (2), and the electric connection part (5) and the electric connection part (6) form plug-in fit to enable the controller device (3) and the mutual inductor device (2) to be kept in positioning connection in an installation cavity.

2. The modular metering circuit breaker of claim 1, wherein:

The mutual inductor device (2) comprises a mounting bracket (22) and a plurality of mutual inductor modules (21) which are arranged on the mounting bracket (22) at intervals, wherein a plurality of electric plug-in parts (5) which extend out of the mounting bracket (22) are respectively arranged on the plurality of mutual inductor modules (21);

The controller device (3) comprises an insulation box (32) which is arranged in a closed structure, and a controller main board (31) which is arranged in the insulation box (32), wherein the insulation box (32) is provided with a plurality of electrical interface parts (6) which are connected with the controller main board (31) corresponding to a plurality of electrical plug-in parts (5).

3. The modular metering circuit breaker of claim 2, wherein:

the electric plug-in part (5) comprises a first plug (51) which is convexly arranged at the top of the mutual inductor module (21), and a pin assembly (52) which is arranged on the first plug (51);

The electrical interface part (6) comprises a first interface (61) arranged at the bottom of the insulation box (32) and a first connecting seat (62) arranged on the controller main board (31) and accommodated in the first interface (61), and a jack component matched with the pin component (52) is arranged on the first connecting seat (62); the first plug (51) drives the pin assembly (52) to be connected with the first connecting seat (62) in a butt-plug manner when being inserted into the first interface (61) in a matched manner.

4. A modular metering circuit breaker as claimed in claim 3, wherein: the mounting bracket (22) comprises three mounting grooves (23) for mounting the three transformer modules (21) at intervals and three opening ends which are formed in the top of the mounting bracket (22) and are communicated with the three mounting grooves (23); the first interface (61) is provided with an interface plug bush (63) formed at the bottom of the insulation box (32) and abutted against the opening end, the first plug (51) and the pin assembly (52) thereof penetrate out of the opening end and are inserted into the interface plug bush (63), and a limiting assembly is arranged between the first plug (51) and the interface plug bush (63).

5. The modular metering circuit breaker of claim 4, wherein: a visual window (39) for observing the connection position of the electric plug-in part and the electric interface part is arranged on one side surface of the insulating box, and the first plug-in (51) shields the visual window (39) when being inserted into the first interface (61).

6. The modular metering circuit breaker of claim 2, wherein: the transformer module (21) comprises a current transformer and a metering transformer, and a solid sealing layer structure which is formed by wrapping and solid sealing the current transformer and the metering transformer into a whole, wherein the electric plug-in part (5) is integrally formed with the solid sealing layer structure, and a contact pin assembly (52) on the electric plug-in part is respectively connected with wiring ends of the current transformer and the metering transformer.

7. A modular metering circuit breaker as claimed in any of claims 2 to 6 wherein: the utility model discloses a portable electric power generation device, including casing structure (1), controller device (3), carrier communication device (4) that is arranged in casing structure (1) top is equipped with in controller device (3), carrier communication device (4) with peg graft between controller device (3) and link to each other, carrier communication device (4), controller device (3), mutual-inductor device (2) from top to bottom in proper order can plug install in the installation cavity.

8. The modular metering circuit breaker of claim 7, wherein: the controller device (3) comprises a second interface (33) arranged at the top of the insulation box (32), and a second connecting seat (34) which is penetrated in the second interface (33) in a matching way and is connected with the controller main board (31); the bottom of the carrier communication device (4) is provided with a second plug (41) which is connected with the second connecting seat (34) in an opposite plug way.

9. The modular metering circuit breaker of claim 8, wherein: the insulating box (32) comprises a plurality of first channels (36) arranged on the other side surface of the insulating box, and the openings of the first channels (36) face one side of the transformer device (2); a plurality of fourth channels (24) corresponding to the first channels (36) are arranged on the mounting bracket (22), the upper ends of the fourth channels (24) are inserted into the openings of the first channels (36), lead holes (13) are formed in the bottom of the shell structure in a penetrating manner corresponding to the fourth channels, and the lower ends of the fourth channels (24) are inserted into the lead holes (13); functional lines in the circuit breaker are led through the fourth channel (24) and the first channel (36) into the insulation box (32) for connecting the controller motherboard (31).

10. The modular metering circuit breaker of claim 9, wherein: the insulation box (32) comprises a second channel (37) protruding to be arranged at the top of the insulation box, a fifth channel (11) vertically communicated with the second channel (37) is arranged on the shell structure (1), a zero line connection module (7) which is inserted between the fifth channel (11) and the second channel (37) and is in plug-in fit with the controller device (3), a third connection seat (35) which is accommodated in the second channel (37) in a matching manner is arranged on the controller main board (31), a third connection plug (71) which is in plug-in connection with the third connection seat (35) is arranged at the lower end of the zero line connection module (7), and a wiring port (72) which is exposed out of the side wall of the shell structure (1) and is used for externally connecting a zero line is arranged at the upper end of the zero line connection module.

11. A modular metering circuit breaker as claimed in any of claims 8 to 10 wherein: install annex module (8) in annex recess of shell structure (1), insulating box (32) include to annex module (8) one side extension third passageway (38), be provided with on shell structure (1) and connect third passageway (38) and annex recess sixth passageway (12), make the transmission pencil of annex module (8) pass sixth passageway (12) and third passageway (38) get into in insulating box (32) with controller mainboard (31) are connected, insulating box (32) include through buckle structure (323) keep fixedly continuous cassette holder (321) and lid (322).