CN216532043U - Electric controller and power distribution switch assembly - Google Patents

Abstract

The embodiment of the application provides an electric controller and power distribution switch subassembly, wherein, the electric controller includes: a housing and at least one pair of power interfaces, the housing comprising: the front panel and with the relative rear panel that sets up of front panel, at least a pair of power interface sets up on the rear panel, the power interface includes: the power interface comprises a card slot and main contacts arranged in the card slot, wherein the main contacts of a pair of power interfaces are respectively an input end and an output end of the electric controller. The electric controller and the power distribution switch assembly provided by the embodiment of the application can reduce the installation space of the electric controller, improve the convenience of installation and disassembly of the electric controller and improve the maintainability of the electric controller.

Description

Electric controller and power distribution switch assembly

Technical Field

The embodiment of the application relates to the technical field of electric control devices, in particular to an electric controller and a power distribution switch assembly.

Background

The contactor is an automatic switch which utilizes small current to control large current and plays the roles of automatic regulation, safety protection, circuit conversion and the like in a circuit, and the direct current contactor is taken as one type of the contactor and is mainly applied to a direct current loop. With the continuous development of power technology, in the industries of new energy automobiles, engineering machinery, light energy, wind energy equipment and the like, a direct current power supply system with a direct current contactor is widely applied, for example, in a direct current charging loop of a new energy automobile, a high-voltage direct current contactor becomes an important power distribution control device in the loop.

In order to improve the use efficiency and the available charging power of the charging system, a matrix switch is generally adopted in the charging system to control the flexible combination parallel output of the charging module, and the installation mode of the contactor is mainly that the bottom or the side of the contactor is fastened in a bolt mode.

However, in the current situation of installing and arranging a large number of contactors, the installation method causes the problems of large installation space of the contactors and difficult maintenance.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides an electric controller and a power distribution switch assembly, wherein a power interface is arranged on a rear panel and is installed in a plug-in mode, so that the installation space of the electric controller can be reduced, the convenience of installation and disassembly of the electric controller can be improved, and the maintainability of the electric controller is effectively improved.

In order to achieve the above object, an aspect of an embodiment of the present application provides an electric controller, including: a housing and at least one pair of power interfaces;

the housing includes: the power interface comprises a front panel and a rear panel arranged opposite to the front panel, wherein the at least one pair of power interfaces are arranged on the rear panel;

the power interface includes: the power interface comprises a card slot and main contacts arranged in the card slot, wherein the main contacts of a pair of power interfaces are respectively an input end and an output end of the electric controller.

The electric controller provided by the embodiment of the application sets the power interface to be in a combined form of the clamping groove and the main contact, when the electric controller is inserted into an electric cabinet, the clamping groove is clamped with the electric cabinet, and the main contact is electrically connected with the conductor bar in the electric cabinet, so that the plug-in installation of the electric controller can be realized, the installation and disassembly work of mechanical and electrical connection fasteners of the electric controller is reduced, the installation and disassembly convenience of the electric controller can be effectively improved, and the maintainability of the electric controller is improved. And compared with the mode of fixing the electric controller by adopting the fastening piece, the clamping type electric controller can reduce the installation space and is beneficial to the intensive arrangement of the electric controller. In addition, the power interface is arranged on the rear panel of the electric controller, so that the possibility of contact of maintenance personnel is reduced, and the operation safety of the operation personnel can be improved.

In one possible embodiment, the method further comprises: the plugging mechanism is arranged on the front panel;

the plugging mechanism is used for plugging and unplugging the electric controller in the electric cabinet.

In one possible embodiment, the plugging mechanism comprises: a boss and/or a tab.

In a possible embodiment, when the pull ring is included in the plugging mechanism, the pull ring is a foldable pull ring.

In one possible embodiment, the method further comprises: a display window disposed on the front panel, the display window for displaying operating parameters of the electrical controller.

In a possible implementation manner, the display window is electrically connected with the main contact, and the display window is used for displaying the on-off information and the life prediction of the main contact.

In one possible embodiment, the display window includes: at least one of an LED lamp, a display screen, and a color scale.

In one possible embodiment, the depth D of the housing is greater than the width W and height H of the housing.

In one possible embodiment, the method further comprises: an auxiliary interface disposed on the rear panel;

the auxiliary interface includes: the mounting structure comprises a mounting seat and an auxiliary contact arranged in the mounting seat.

In one possible embodiment, the mounting seat is at least one of a card slot, a straight pin socket, and a quick-plug socket.

Another aspect of the embodiments of the present application provides a power distribution switch assembly, including an electrical cabinet, a conductor bar, and at least one electrical controller as described above disposed in the electrical cabinet;

the clamping groove of the electric controller is clamped with the conductor bar.

The power distribution switch assembly provided by the embodiment of the application, wherein, the electric controller sets up the power interface into the combination form of draw-in groove and main contact, and when the electric controller was inserted in the regulator cubicle, the draw-in groove was connected with the regulator cubicle joint and main contact was connected with the conductor row electricity in the regulator cubicle, can realize the plug-in installation of electric controller, has reduced the installation and the dismantlement work of the mechanical and electrical connection fastener of electric controller, can effectively improve the convenience of electric controller installation and dismantlement to improve the maintainability of electric controller. And compared with the mode of fixing the electric controller by adopting the fastening piece, the clamping type electric controller can reduce the installation space and is beneficial to the intensive arrangement of the electric controller. In addition, the power interface and the auxiliary interface are arranged on the rear panel of the electric controller, so that the possibility of contact of maintenance personnel is reduced, and the operation safety of the operation personnel can be improved. In addition, the depth of the shell of the electric controller is larger than the height and the width of the shell, the size of the electric cabinet in the depth direction can be better utilized, the size of the front panel is reduced, the installation space of the electric controller is saved, and the electric controller is suitable for high-density arrangement of the electric controller.

The construction of the present application and other objects and advantages thereof will be more apparent from the following description of the preferred embodiments taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for a person skilled in the art to obtain other drawings according to these drawings without creating any inventive idea.

Fig. 1 is a schematic view of a contactor according to the related art;

FIG. 2 is a front view of an electrical controller provided in an embodiment of the present application;

FIG. 3 is a side view of an electrical controller provided in accordance with an embodiment of the present application;

FIG. 4 is a rear view of an electrical controller provided in accordance with an embodiment of the present application;

FIG. 5 is a front view of an electrical controller provided in an embodiment of the present application;

FIG. 6 is a side view of an electrical controller provided in accordance with an embodiment of the present application;

FIG. 7 is a side view of an electrical controller provided in accordance with an embodiment of the present application;

FIG. 8 is a rear view of an electrical controller provided in accordance with an embodiment of the present application;

FIG. 9 is a side view of an electrical controller provided in accordance with an embodiment of the present application;

FIG. 10 is a rear view of an electrical controller provided in accordance with an embodiment of the present application;

fig. 11 is a schematic structural diagram of an electrical controller according to an embodiment of the present application;

fig. 12 is a power distribution switch assembly according to an embodiment of the present application.

Description of reference numerals:

1-a contactor;

2-bolt mounting holes;

3-bolt mounting part;

4-a main contact;

5-auxiliary contacts;

100-an electrical controller;

10-a housing;

11-a front panel;

12-a rear panel;

20-a power interface;

21-card slot;

30-a plug-pull mechanism;

31-a boss;

32-a pull ring;

40-a display window;

50-an auxiliary interface;

51-a mounting seat;

200-a power distribution switch assembly;

210-an electrical cabinet;

220-conductor row.

Detailed Description

The terminology used in the description of the embodiments of the present application is for the purpose of describing particular embodiments of the present application only and is not intended to be limiting of the application, as the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

The application provides an electric controller, can be used to fill electric pile system, and this electric controller can be contactor, relay etc. in this application embodiment, explains as the contactor with the electric controller.

The new energy automobile adopts unconventional automobile fuel as a power source (or adopts conventional automobile fuel and a novel vehicle-mounted power device), integrates advanced technologies in the aspects of power control and driving of the automobile, and forms an automobile with advanced technical principle, new technology and new structure. New energy vehicles include four major types: hybrid Electric Vehicles (HEV), pure electric vehicles (BEV, including solar vehicles), Fuel Cell Electric Vehicles (FCEV), other new energy vehicles (such as super capacitors, high efficiency energy storage devices such as flywheels), and the like. Wherein, the functional device of new energy automobile is the battery.

When a traditional new energy automobile charges a battery, alternating current charging is adopted, and the charging power is small and is only several kilowatts generally. And direct current quick charging is adopted, so that the charging power can reach dozens or hundreds of kilowatts, and the requirements of high capacity and quick charging of the new energy vehicle battery can be met.

When the direct current quick charging is adopted, the required charging power has larger dispersion due to different vehicles and different power shortage degrees. For example, when a single power module charges a vehicle through a single charging gun, if the output power of the charging gun power module is designed to be large, there is a problem of insufficient resource utilization during low-power charging, and if the output power of the charging gun power module is designed to be small, large-power charging cannot be satisfied.

In order to improve the use efficiency of the charging pile and improve the available charging power, a matrix type switch can be adopted in the charging system to control the flexible combination parallel output of the charging module, and the corresponding switch is controlled to be closed according to the requirement of the charging power. The matrix switch is a combination of a plurality of switches, wherein the switches are bidirectional direct current contactors or relays.

Fig. 1 is a schematic structural view of a contactor 1 in the related art, and referring to fig. 1, the contactor 1 has bolt mounting holes 2 and bolt mounting portions 3 at four corners of a bottom portion thereof, and the contactor 1 is connected to a switch cabinet by bolts. The top of the contactor 1 has a plurality of main contacts 4 and auxiliary contacts 5, and the power connection and the signal connection of the contactor 1 are realized by means of top connection. However, the contactor having this configuration has a problem that, when the number of contactors to be installed is large, the installation space is large and maintenance is difficult.

In order to solve the above problems, embodiments of the present application provide an electric controller and a power distribution switch assembly, wherein in the electric controller, a power interface is disposed on a back panel of the electric controller, the power interface is a slot type, and is in butt joint with the power distribution switch assembly to be in plug-in installation, so that an installation space of the electric controller can be reduced, the electric controller can be installed and removed more easily, and maintainability of the electric controller can be effectively improved. And the power interface and the auxiliary interface are all arranged on a back panel of the electric controller, so that the possibility of contact of maintenance personnel is reduced, and the operation safety is improved. In addition, a plug-in mechanism and a display panel are further arranged on the front panel of the electric controller, the plug-in mechanism can provide convenience for mounting and dismounting the electric controller, and the display panel can display the state of the electric controller, such as: on-off status, temperature, voltage, current signal, and life prediction of the electrical controller, among others.

The following describes an electrical controller provided in an embodiment of the present application in detail with reference to the drawings.

Fig. 2 is a front view of an electric controller 100 according to an embodiment of the present application, fig. 3 is a side view of the electric controller 100 according to the embodiment of the present application, and fig. 4 is a rear view of the electric controller 100 according to the embodiment of the present application, with reference to fig. 2 to 4, the electric controller 100 according to the embodiment of the present application includes: the housing 10 and at least one pair of power interfaces 20 are illustrated in fig. 2 to 4, with the pair of power interfaces 20 being illustrated.

Wherein, the housing 10 includes: a front panel 11 and a back panel 12 opposite to the front panel 11, wherein a side wall of the housing 10 is arranged between the front panel 11 and the back panel 12, the front panel 11, the back panel 12 and the side wall jointly enclose a containing cavity, and necessary components of the electric controller 100 are arranged in the containing cavity.

It should be noted that the shape of the housing 10 of the electric controller 100 provided in the embodiment of the present application includes, but is not limited to, a rectangular parallelepiped in fig. 2 to 4, and may also be a regular shape such as a cylinder, a truncated pyramid, and of course, may also be an irregular shape. For convenience of installation and arrangement, the housing 10 is generally a prism, and the shape of the housing 10 is not limited.

Wherein, power interface 20 is disposed on back panel 12, and power interface 20 includes: the card slot 21 and a main contact (not shown) disposed in the card slot 21, for example, the main contact may be disposed in the card slot 21 or disposed on at least one of three side walls of the card slot 21. The main contacts in the two power interfaces 20 are respectively an input end and an output end of the electric controller 100, and are used for performing transmission and control of electric energy in a main loop, so as to realize on-off of one circuit. The main contact can adopt a busbar, such as a copper bar, an aluminum bar and the like.

It should be understood that the power interface 20 is a combination of the card slot 21 and the main contacts. When the electric controller 100 is inserted into the electric cabinet, the clamping groove 21 is clamped with the electric cabinet, and the main contact is electrically connected with the conductor bar in the electric cabinet, so that the electric controller 100 can be installed in a plug-in mode, the installation and disassembly work of mechanical and electrical connection fasteners of the electric controller 100 is reduced, the installation and disassembly convenience of the electric controller 100 can be effectively improved, and the maintainability of the electric controller 100 is improved. In addition, compared with the mode of fixing the electric controller 100 by using a fastening member, the clamping type electric controller 100 can reduce the installation space, and is beneficial to the dense arrangement of the electric controller 100. In addition, the power interface 20 is disposed on the rear panel 12 of the electrical controller 100, which reduces the possibility of contact by maintenance personnel and improves the operational safety of the operator.

It should be noted that in the electric controller 100 provided in the embodiment of the present application, the housing 10 encloses a receiving cavity formed therein, and components necessary for the electric controller 100 are disposed therein, wherein the components may include one or more of an electromagnetic system, a contact system, an arc extinguishing system, and other parts (e.g., a transmission mechanism, a shunt, a voltage sensor, a temperature sensor, etc.).

The electromagnetic system can be composed of an iron core, a coil, an armature and the like, and generally adopts a clapper type structure rotating around an edge angle. When the coil is electrified, the normally open contact is controlled to be closed and the normally closed contact is controlled to be opened, and when the coil is electrified, the normally open contact is controlled to be reset and opened and the normally closed contact is controlled to be reset and closed.

The contact system is an executing part of the electric controller 100, and includes a main contact for connecting and disconnecting a main circuit to control a large current, and an auxiliary contact for use in a control circuit to meet various control mode requirements.

The arc extinguishing system is used for ensuring that the generated electric arc is reliably extinguished when the contact breaks the circuit, and the damage of the electric arc to the contact is reduced.

The transmission mechanism can drive the main contact, the normally closed contact and the normally open contact to move according to the power-on and power-off conditions of the coil.

Wherein the current divider may measure the direct current flowing through the electrical controller 100 and the voltage sensor may measure the voltage in the electrical controller 100.

As shown in fig. 2 and fig. 3, the electrical controller 100 provided in the embodiment of the present application further includes: the plugging mechanism 30 is disposed on the front panel 11, and provides an acting point for inserting and extracting the electrical cabinet 100, for example, as shown in fig. 2 and 3, the plugging mechanism 30 includes a boss 31 disposed on the front panel 11, and when the electrical controller 100 needs to be installed or removed, the boss 31 can be clamped by a clamp or directly by hand to insert or extract the electrical cabinet.

Fig. 5 is a front view of an electric controller 100 according to an embodiment of the present disclosure, fig. 6 is a side view of the electric controller 100 according to an embodiment of the present disclosure, and referring to fig. 5 and 6, in some embodiments of the present disclosure, the plugging mechanism 30 may further include other components for facilitating force application, for example, as shown in fig. 5 and 6, the plugging mechanism 30 may further include a pull ring 32, and an operator may pull the electric controller 100 out of the electric cabinet directly through the pull ring 32, which is beneficial to convenience in detaching the electric controller 100 and improves maintainability of the electric controller 100. In order to further reduce the space occupied by the installation of the electric controller 100, the pull tab may be provided as a foldable pull tab 32, which can be folded and hung on the front panel 11 when the pull tab 32 is not active.

It is understood that the boss 31 and the pull ring 32 are only used as examples to provide convenience for the electric controller 100 to be assembled and disassembled, and of course, the plugging mechanism 30 may have other structures, and the plugging mechanism 30 may have one structure or two structures or even more, for example, in the embodiment of the present application, the plugging mechanism may include only the boss 31 or only the pull ring 32 or both the boss 31 and the pull ring 32, so as to be suitable for various working conditions.

With continued reference to fig. 2 and 5, in some embodiments of the present application, the electric controller 100 may further include a display window 40, and the display window 40 may display an operating parameter of the electric controller 100, for example, the display window 40 may be an LED lamp, a display screen, or a color scale, and the like, and for example, when the display window 40 includes an LED lamp, the LED lamp is green to indicate that the electric controller 100 is in an operating state, and the LED lamp is red to indicate that the electric controller 100 is in a non-operating state. When the display window 40 includes a display screen (as shown in fig. 2), the display window 40 may be connected to a current divider, a voltage sensor, a temperature sensor, etc. in the electric controller 100, and may display a switching state, a temperature, a voltage, a current signal, etc. of the electric controller 100.

Of course, the present application is not limited thereto, and the display window 40 may also be electrically connected to the main contact to display the on-off information and the life prediction of the main contact, for example, as shown in fig. 5, the display window 40 is three color scales. The left color scale may display on/off information of the main contact, for example, the left color scale may be set to green, indicating that the main contact is on when the color scale is on, and off when the color scale is not on. The middle and right color scales can be set to be blue and red respectively, and the brightness and the non-brightness of the color scales are controlled according to the use wear degree of the main contact, for example, when the working state of the main contact is good, the middle blue color scale is bright, and the right red color scale is not bright. When the main contact is worn seriously and is no longer enough to support long-time operation, the middle blue color scale is not bright, and the right red color scale is bright. Of course, at this time, the display window 40 may also be a display screen, and the on-off information and the life prediction thereof are more intuitive.

It should be noted that in some embodiments of the present application, the display window 40 may be integrated with the boss 31 and disposed on the outward surface of the boss 31, such as shown in fig. 2 and 5, to make the display window 40 more conspicuous, and to optimize the layout and beautify the appearance.

With continued reference to fig. 2 and 3, in some embodiments of the present application, the depth D of the housing 10 may be set to be greater than the width W and the height H of the housing 10, i.e., D/W > 1 and D/H > 1, so that the electrical controller 100 is in a flattened structure, the dimension in the depth direction of the electrical cabinet is better utilized, the dimension of the front panel 11 is reduced, the installation space of the electrical controller 100 is saved, and the electrical controller 100 is suitable for high-density arrangement.

With continued reference to fig. 3 and 4, in some embodiments of the present application, an auxiliary interface 50 is further included, the auxiliary interface 50 being disposed on the back panel 12 and including: a mounting seat 51 and auxiliary contacts (not shown) provided in the mounting seat 51.

It should be appreciated that having electrical conductors such as the power interface 20 and the auxiliary interface 50 all disposed on the back panel 12 of the electrical controller 100 reduces the likelihood of access by maintenance personnel and increases operational safety.

The auxiliary interface 50 may be a positive power supply terminal, a ground power supply terminal, positive and negative terminals of the current divider, positive and negative terminals of the voltage sensor, a signal feedback interface, an auxiliary contact state feedback interface, and the like of the electric controller 100.

The mounting seat 51 may be configured as a card slot, and a connecting electric device such as a gold finger may be mounted in the card slot. The mounting block 51 may also be provided in the form of a straight needle socket as shown in fig. 7 and 8. The mounting block 51 may also be provided in the form of a quick-plug socket, as shown in fig. 9 and 10.

An exemplary electrical controller 100 provided herein is described below with reference to the accompanying drawings.

Fig. 11 is a schematic structural diagram of an electrical controller 100 according to an embodiment of the present disclosure, and referring to fig. 11, the electrical controller 100 includes a housing 10, a depth D of the housing 10 is greater than a width W and a height H of the housing 10, so that the electrical controller 100 is in a flat structure, and a dimension in a depth direction of an electrical cabinet can be better utilized to reduce a dimension of a front panel 11, thereby saving an installation space of the electrical controller 100 and adapting to a high-density arrangement of the electrical controller 100.

The casing 10 has a front panel 11 and a rear panel 12, two pairs of power interfaces 20 and a signal interface are disposed on the rear panel 12, main contacts are disposed in the power interfaces 20, and each pair of power interfaces 20 is matched to realize the on-off of one circuit. The signal interface is connected with an external circuit and can feed back on/off state, temperature, voltage, current signals and the like of the electric controller 100. The power interface 20 and the signal interface and other electrical conductors are all disposed on the back panel 12 of the electrical controller 100, which reduces the possibility of contact by maintenance personnel and increases operational safety.

The power interface 20 and the signal interface are in a form of inserting and connecting with the card slot 21, so that the electric controller 100 and the electric cabinet can be installed in a plug-in mode, the electric controller 100 is easier to install and disassemble, the maintainability of the electric controller 100 is effectively improved, and compared with a method for installing the electric controller 100 by using a fastener, the installation space of the electric controller 100 can be reduced, and the high-density arrangement is adapted.

The front panel 11 of the housing 10 is provided with a boss 31 as the plugging mechanism 30, and an operator can use a clamp to clamp the boss 31 to pull out the electric controller 100 from the electric cabinet, so that the work of detaching fasteners and connecting pieces of the electric controller 100 is reduced compared with the method of installing the fasteners.

A display window 40 is disposed on the boss 31, and the display window 40 is an LED indicator that displays the on and off states of the electric controller 100.

Of course, the present application is not limited thereto, and fig. 12 is a power distribution switch assembly 200 according to an embodiment of the present application, and referring to fig. 12, the present application further provides a power distribution switch assembly 200, including: electrical cabinet 210, conductor row 220, and at least one electrical controller 100 described above.

Specifically, the electrical cabinet 210 may have a plurality of layers of installation spaces, for example, two layers in fig. 12, and the plurality of electrical controllers 100 are sequentially disposed in the installation spaces. The conductor row 220 is disposed on the back of the electrical cabinet 210, and when the electrical controller 100 is installed in the electrical cabinet 210, the card slot 21 of the power interface 20 on the rear panel 12 of the electrical controller 100 is clamped with the conductor row 220, so as to achieve plug-in installation of the electrical controller 100 and the electrical cabinet 210.

The technical features and effects of the electric controller 100 are consistent with those of the above, and are not described herein again.

In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, a fixed connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

Reference throughout this specification to apparatus or components, in embodiments or applications, means or components must be constructed and operated in a particular orientation and therefore should not be construed as limiting the present embodiments. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically stated otherwise.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the embodiments of the application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present application, and are not limited thereto; although the embodiments of the present application have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims (11)

1. An electrical controller, comprising: a housing and at least one pair of power interfaces;

the housing includes: the power interface comprises a front panel and a rear panel arranged opposite to the front panel, wherein the at least one pair of power interfaces are arranged on the rear panel;

the power interface includes: the power interface comprises a card slot and main contacts arranged in the card slot, wherein the main contacts of a pair of power interfaces are respectively an input end and an output end of the electric controller.

2. The electrical controller of claim 1, further comprising: the plugging mechanism is arranged on the front panel;

the plugging mechanism is used for plugging and unplugging the electric controller in the electric cabinet.

3. An electric controller according to claim 2, characterized in that the plugging mechanism comprises: a boss and/or a tab.

4. An electric controller according to claim 3, characterised in that when the plugging mechanism comprises the pull ring, the pull ring is a foldable pull ring.

5. The electric controller according to any one of claims 1-4, further comprising: and the display window is arranged on the front panel and is used for displaying the working parameters of the electric controller.

6. An electrical controller according to claim 5, wherein the display window is electrically connected to the main contacts, the display window being configured to display on-off information and a life prediction for the main contacts.

7. The electrical controller of claim 5, wherein the display window comprises: at least one of an LED lamp, a display screen, and a color scale.

8. An electric control according to any of claims 1-4, characterized in that the depth D of the housing is larger than the width W and the height H of the housing.

9. The electric controller according to any one of claims 1-4, further comprising: an auxiliary interface disposed on the rear panel;

the auxiliary interface includes: the mounting structure comprises a mounting seat and an auxiliary contact arranged in the mounting seat.

10. An electrical controller according to claim 9, wherein the mounting seat is at least one of a card slot, a straight pin socket and a quick-plug socket.

11. A power distribution switch assembly, comprising: an electrical cabinet, a conductor row and at least one electrical controller according to any one of claims 1 to 10 arranged in the electrical cabinet;

and the clamping groove of the electric controller is clamped with the conductor bar.

Images