CN214849596U - Distribution box and distribution system - Google Patents

Abstract

The utility model discloses a block terminal and distribution system relates to distribution equipment technical field. The distribution box comprises a shell, a switch device, a wiring terminal and a bus bar, wherein the switch device, the wiring terminal and the bus bar are arranged inside the shell, and the switch device and the wiring terminal are respectively arranged on the bus bar and are electrically connected with each other through the bus bar in a preset connection relation. This block terminal realizes switching device and binding post's electricity through the busbar and connects, and switching device and binding post can the direct mount in the block terminal, need not complicated wiring link, and modularization and standardization level are higher, have effectively saved installation and change time.

Description

Distribution box and distribution system

Technical Field

The utility model relates to a distribution equipment technical field particularly, relates to a block terminal and distribution system.

Background

In a power distribution system, switching equipment, measuring instruments, protective electrical equipment, auxiliary equipment and the like are generally assembled in a closed or semi-closed metal cabinet or on a screen according to the requirements of electrical wiring to form a low-voltage power distribution system, and the power distribution system can be switched on or switched off by a manual or automatic switch during normal operation.

The current distribution system majority is installed a plurality of circuit breakers concentratedly in the block terminal, and the change of the electrical connection between a plurality of circuit breakers and circuit ware all need wiring and taking out stitches, and the process is complicated, need be accomplished by middle businessmen operations such as complete sets factory, and modularization and standardization level are low, are unfavorable for the quick installation and the change of circuit breaker.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a block terminal and distribution system to among the solution prior art, the block terminal modularization and the low technical problem of standardized level.

The embodiment of the utility model is realized like this:

the utility model discloses an aspect provides a block terminal, including the casing and set up switching device, binding post and the busbar inside the casing, switching device and binding post set up respectively on the busbar and realize the electricity with predetermineeing the relation of connection through the busbar and be connected.

Optionally, a first plugging portion is arranged on the switch device, a second plugging portion matched with the first plugging portion is arranged on the bus bar, and the switch device and the bus bar are detachably connected through the matching of the first plugging portion and the second plugging portion.

Optionally, the distribution box further includes a control panel disposed on the housing, and the control panel is electrically connected to the switching device and is used for controlling the switching device to be turned on or off.

Optionally, the housing is provided with a wiring hole for passing a wire of the load therethrough and electrically connecting with the wiring terminal.

Optionally, the switching device is any one of a circuit breaker, a relay or a contactor, or a combination of at least two of the above.

Optionally, the control panel is any one or a combination of at least two of a remote control panel, a touch panel, a liquid crystal panel, a press panel and a voice panel.

Optionally, the control panel covers the opening of the housing to close the housing.

Alternatively, the terminal is soldered to the bus bar.

The embodiment of the utility model provides a further aspect provides a power distribution system, including total block terminal and a plurality of above-mentioned arbitrary one's block terminal, a plurality of block terminals are connected with total block terminal electricity respectively.

Optionally, a main switch is arranged on the main distribution box, a branch switch is arranged on the distribution box, the main switch is used for controlling the on-off of the electrical connection between the main distribution box and all the distribution boxes, and the branch switch is used for controlling the on-off of the electrical connection between the main distribution box and the line protected by the single distribution box.

The utility model discloses beneficial effect includes:

the embodiment of the utility model provides a block terminal and distribution system, block terminal include the casing and set up at inside switching device, binding post and the busbar of casing, and switching device and binding post set up respectively on the busbar and realize the electricity with predetermineeing the relation of connection through the busbar and be connected. In the power distribution process, a load is connected into the wiring terminal, the switch device and the wiring terminal are mutually communicated through the bus bar, and when a circuit is normal or the connected load needs to work normally, the switch device is closed, so that current in the circuit flows normally, and the normal work of the load is ensured; when the circuit has faults (such as overload, short circuit, electric leakage, undervoltage or overvoltage faults) or the accessed load does not need to work normally, the switching device disconnects the circuit, cuts off the current in the circuit and protects or disconnects the accessed load in time. This block terminal realizes switching device and binding post's electricity through the busbar and connects, and switching device and binding post can the direct mount in the block terminal, need not complicated wiring link, and modularization and standardization level are higher, have effectively saved installation and change time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a distribution box provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a bus bar and a connecting terminal provided in an embodiment of the present invention at a first viewing angle;

fig. 3 is a schematic structural diagram of a bus bar and a connecting terminal at a second viewing angle according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a power distribution system according to an embodiment of the present invention.

Icon: 100-a distribution box; 110-a housing; 111-wiring holes; 120-a switching device; 130-a connection terminal; 140-a bus; 141-a second plug-in part; 142-a conductive bar; 150-a wire; 200-a power distribution system; 210 — general distribution box.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "inside", "outside", 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 in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be 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.

Among the prior art, switching device and binding post lug connection concentrate to install inside the block terminal, realize electrical connection through the conductor wire between the different switching devices, and the wiring process of conductor wire is complicated, needs to be accomplished by middle businessmen operations such as complete sets factory, wastes time and energy, can't realize switching device's quick installation and change. In view of this, the present application is specifically made.

Fig. 1 is a schematic structural diagram of a distribution box 100 according to an embodiment of the present invention, please refer to fig. 1, the embodiment provides a distribution box 100, which includes a housing 110, and a switch device 120, a connection terminal 130 and a bus bar 140 disposed inside the housing 110, wherein the switch device 120 and the connection terminal 130 are respectively disposed on the bus bar 140 and electrically connected in a preset connection relationship through the bus bar 140.

In the power distribution process, only the load is connected to the connection terminal 130, the switch device 120 and the connection terminal 130 are communicated with each other through the bus bar 140, and when the circuit is normal or the connected load needs to work normally, the switch device 120 is closed, so that the current in the circuit flows normally, and the normal work of the load is ensured; when the circuit has a fault (such as a fault of overload, short circuit, leakage, undervoltage or overvoltage) or the connected load does not need to work normally, the switching device 120 disconnects the circuit, cuts off the current in the circuit, and protects or disconnects the connected load in time. This distribution box 100 realizes the electricity of switching device 120 and binding post 130 through busbar 140 and connects, and switching device 120 and binding post 130 can directly be installed in distribution box 100, need not complicated wiring link, and modularization and standardization level are higher, have effectively saved installation and change time.

The housing 110 is a box having an opening for accommodating, fixing and protecting the switching device 120, the connection terminal 130 and the bus bar 140, wherein the connection terminal 130 is used for connecting a load, and the switching device 120 is used for connecting or disconnecting the load and a circuit, thereby controlling the operation of the load.

The number of the switching devices 120 is at least one, the number of the connection terminals 130 is at least two, and the number of the connection terminals 130 may be equal to the number of the switching devices 120, or may be greater than or less than the number of the switching devices 120. One switching device 120 may be connected to only two connection terminals 130 (a line terminal and a line terminal, respectively) through the bus bar 140, and at this time, the switching device 120 controls only one line; one switching device 120 may be simultaneously connected to two or more connection terminals 130 through the bus bar 140, and in this case, one switching device 120 may simultaneously control a plurality of lines. In practical applications, different switching devices 120 may be used to control different types of lines, or one switching device 120 may be used to control a plurality of lines of the same type at the same time. Illustratively, the number of the switching devices 120 is two, and the number of the outlet terminals is four, wherein one switching device 120 is connected to three outlet terminals through the bus bar 140, and controls three lines respectively connected to the three terminals 130, and the other switching device 120 is connected to the remaining outlet terminal through the bus bar 140, and controls only one line connected to the remaining outlet terminal.

In summary, the distribution box 100 includes a housing 110, and a switching device 120, a connection terminal 130 and a bus bar 140 disposed inside the housing 110, wherein the switching device 120 and the connection terminal 130 are respectively disposed on the bus bar 140 and electrically connected in a preset connection relationship through the bus bar 140. This distribution box 100 realizes the electricity of switching device 120 and binding post 130 through busbar 140 and connects, and switching device 120 and binding post 130 can directly be installed in distribution box 100, need not complicated wiring link, and modularization and standardization level are higher, have effectively saved installation and change time.

The switching device 120 is a device for controlling the operation of the load by turning on and off the control circuit, and may be in various forms. Optionally, the switching device 120 is any one of a circuit breaker, a relay, or a contactor, or a combination of at least two.

For example, when the switching device 120 is a circuit breaker, optionally, the switching device 120 is connected in series to the circuit of the load, and can turn on, carry, and turn off the current under the normal loop condition and turn on, carry, and turn off the current under the abnormal loop condition within a prescribed time, thereby controlling the operation of the load. It should be understood that the above examples are only a few examples of the present embodiment, and other possible configurations are not listed in the present embodiment.

Fig. 2 is a schematic structural diagram of the bus bar 140 and the wiring terminal 130 provided by the embodiment of the present invention at a first viewing angle, please refer to fig. 2, optionally, a first plugging portion is disposed on the switch device 120, a second plugging portion 141 matched with the first plugging portion is disposed on the bus bar 140, and the switch device 120 and the bus bar 140 are detachably connected through the matching of the first plugging portion and the second plugging portion 141.

The pluggable switch device 120 provided in this embodiment enables the switch device 120 and the bus bar 140 to be detachably connected through the mutual matching between the first plugging portion disposed on the switch device 120 and the second plugging portion 141 disposed on the bus bar 140. When the switch device 120 needs to be installed, the first plugging portion and the second plugging portion 141 can be clamped, so that a required connection relationship is ensured; when the switch device 120 needs to be detached, the first inserting and pulling portion and/or the second inserting and pulling portion 141 may be elastically deformed to release the engagement relationship between the first inserting and pulling portion and the second inserting and pulling portion 141, so that the switch device 120 is separated from the bus bar 140. By adopting the plugging mode, the switch device 120 can be quickly mounted and dismounted without wiring and disconnecting, and the operation is convenient and efficient.

The second inserting and extracting portion 141 of the bus bar 140 may be plural, so that the bus bar 140 can be simultaneously inserted and extracted to install the plurality of switching devices 120. In addition, in order to improve the stability of the plug connection between the switching device 120 and the bus bar 140, at least two first plug portions are provided on one switching device 120, and correspondingly, at least two second plug portions 141 are also provided on the bus bar 140.

Illustratively, the first plugging portion includes a groove disposed on the switching device 120 and a spring piece disposed in the groove, and the second plugging portion 141 is a protrusion disposed on the busbar 140, and the spring piece is used for fixing the protrusion inside the groove; or, the first plugging portion is a protrusion disposed on the switch device 120, and the second plugging portion 141 is a groove disposed on the bus bar 140 and a spring piece disposed in the groove, and the spring piece is used to fix the protrusion inside the groove. It should be understood that the above example is only one example of the present embodiment, and other possible structures are not listed in the present embodiment.

Fig. 3 is a schematic structural view of the bus bar 140 and the connection terminal 130 provided in the embodiment of the present invention at a second viewing angle, please refer to fig. 3, the connection terminal 130 and the bus bar 140 may be electrically connected in various manners, and optionally, the connection terminal 130 is welded on the bus bar 140.

The terminal 130 may be soldered directly to the bus bar 140, and the bus bar 140 serves as a conductive member between the terminal 130 and the switching device 120 to electrically connect the terminal 130 and the switching device 120. Or, a conductive bar 142 is arranged in the bus bar 140, the connection terminal 130 is welded on the bus bar 140 through the conductive bar 142, and the connection terminal 130 and the switching device 120 are electrically connected through the conductive bar 142.

Referring to fig. 1 again, optionally, the housing 110 is provided with a wiring hole 111, and the wiring hole 111 is used for a wire 150 of a load to pass through and electrically connect with the wiring terminal 130.

In this embodiment, the connection terminal 130 is connected to the load through the wire 150, the switching device 120 and the connection terminal 130 are connected to the bus bar 140, one end of the wire 150 is connected to the connection terminal 130, and the other end thereof protrudes outside the housing 110 through the connection hole 111 of the housing 110, and then the housing 110 is closed to form the distribution box 100. In the practical application process, the distribution box 100 can be installed at a preset position, and the load can be electrically connected with the distribution box 100 through the conducting wire 150 exposed outside the shell 110 of the distribution box 100, so that the convenience and the time saving are realized, and parts inside the shell 110 can be isolated and protected.

The wiring hole 111 may be a plurality of circular through holes opened on the side wall of the housing 110, and the plurality of wiring holes 111 have different sizes corresponding to different specifications of the wires 150. Alternatively, the wiring hole 111 is a long strip-shaped through hole opened on the side wall of the housing 110, and the plurality of wires 150 pass through the housing 110 through one wiring hole 111.

Optionally, the distribution box 100 further includes a control panel disposed on the housing 110, the control panel being electrically connected to the switching device 120 for controlling the switching device 120 to be turned on or off.

In the present embodiment, the switching device 120 is controlled to be turned on or off by the control panel, and the specific form of the electrical connection between the control panel and the switching device 120 is not limited as long as the switching device 120 can be controlled to be turned on or off by the control panel.

Optionally, the control panel is any one of a remote control panel, a touch panel, a liquid crystal panel, a press panel and a voice panel, or a combination of at least two of them.

For example, when the control panel is a remote control panel, the control panel may be controlled by a remote controller, specifically, the remote controller is provided with a signal transmitter, correspondingly, the control panel is provided with a signal receiver, and after the signal transmitted by the remote controller is received by the control panel, the control panel may perform an on or off operation on the switching device 120. When the control panel is a touch panel, the control panel may be controlled by manually pressing the touch screen of the control panel, so as to turn on or off the switching device 120. When the control panel includes both the touch panel and the voice panel, the control panel may be controlled by manually pressing the touch screen of the control panel or by voice to implement the on/off operation of the switching device 120. It should be understood that the above examples are only a few examples of the present embodiment, and other possible configurations are not listed in the present embodiment.

Of course, the control panel may also be an alarm panel. When the control panel is an alarm panel, the switch device 120 is also electrically connected with the fault detector, the fault detector transmits a fault signal to the control panel when the switch device 120 fails, and the control panel gives an alarm to remind a user to process in time. The alarm can be in the form of an acoustic alarm, an optical alarm or a combination of the two, and the control panel can also give out different alarms according to the type of the fault, so that a user can distinguish the fault conveniently.

Optionally, the control panel covers the opening of the housing 110 to close the housing 110.

The switch device 120, the connection terminal 130 and the bus bar 140 are accommodated and fixed in the housing 110, and the control panel covers the opening of the housing 110 to seal the housing 110, so as to prevent external contaminants such as dust from entering the distribution box 100 to contaminate components in the distribution box 100 and affect the normal operation of the distribution box 100. Meanwhile, the components in the distribution box 100 can be prevented from being damaged by external impact, and the safety protection effect is achieved.

Illustratively, a plurality of notches are formed in the side wall of the housing 110, a plurality of hooks matched with the notches are correspondingly arranged on the control panel, and the control panel is covered at the opening of the housing 110 through the clamping matching between the hooks and the notches to seal the housing 110.

This block terminal 100 is small-sized, installs in the block terminal of different distribution areas, in distribution systems such as building, hotel, apartment, school, hospital, industrial building, commercial building, has replaced the block terminal that current circuit breaker was installed concentratedly, and the work of distribution control load is connected in the different distribution areas of distributed setting in distribution system and with the load in the distribution area that corresponds. The distributed deployment of distribution box 100 makes every distribution area that possesses different functions all be provided with independent distribution box 100, conveniently carries out independent control to different distribution areas, simultaneously, when certain distribution area breaks down, also conveniently fixes a position and examines distribution box 100 accurately.

Fig. 4 is a schematic structural diagram of a power distribution system 200 according to an embodiment of the present invention, please refer to fig. 4, the embodiment further provides a power distribution system 200, which includes a main distribution box 210 and a plurality of distribution boxes 100, wherein the plurality of distribution boxes 100 are electrically connected to the main distribution box 210, respectively.

A plurality of distribution box 100 set up respectively in different distribution areas, and a plurality of distribution box 100 adopt the mode of distributed deployment, when the unable normal use of load in a certain distribution area, only need check the distribution box 100 in this distribution area can, conveniently pinpoint and investigate distribution box 100 trouble to reduce the troubleshooting degree of difficulty, improve troubleshooting efficiency.

The number of the distribution boxes 100 is two, three or more, and the specific number may be determined according to the number and types of distribution areas. Illustratively, the number of the power distribution areas is three, and the three power distribution areas belong to three types and need to be distributed respectively, so the number of the power distribution boxes 100 is also three, and the three power distribution boxes 100 are respectively arranged in the three power distribution areas and respectively control loads in the corresponding power distribution areas.

Optionally, a main switch is disposed on the main distribution box 210, a branch switch is disposed on the distribution box 100, the main switch is used for controlling on/off of electrical connection between the main distribution box 210 and all the distribution boxes 100, and the branch switch is used for controlling on/off of electrical connection between the main distribution box 210 and a line protected by a single distribution box 100.

In this embodiment, the operation of all the lines protected by the distribution box 100 may be controlled by a main switch on the main distribution box 210, or the operation of a line protected by a single distribution box 100 may be controlled by a branch switch on the distribution box 100, so as to implement accurate control of each line.

This distribution system 200 adopts total block terminal 210 to add the deployment mode of a plurality of block terminals 100, sets up a plurality of block terminals 100 respectively in the different distribution areas in distribution systems such as building, hotel, apartment, school, hospital, industrial building, commercial building, mutual independence between a plurality of block terminals 100, nevertheless is connected with total block terminal 210 electricity simultaneously, and total block terminal 210 sets up in a certain distribution area of distribution system, controls the block terminal 100 in each distribution area in unison.

In the foregoing explanation of the distribution box 100, the operation manner, the operation principle, and the like when the distribution box 100 is disposed on the power distribution system 200 have been described in detail, and are not described again here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The distribution box is characterized by comprising a shell, a switch device, a wiring terminal and a bus bar, wherein the switch device, the wiring terminal and the bus bar are arranged in the shell, the switch device and the wiring terminal are respectively arranged on the bus bar, and the switch device and the wiring terminal are electrically connected in a preset connection relationship through the bus bar.

2. The distribution box according to claim 1, wherein a first plugging portion is provided on the switching device, a second plugging portion matched with the first plugging portion is provided on the busbar, and the switching device and the busbar are detachably connected through matching of the first plugging portion and the second plugging portion.

3. A distribution box according to claim 1, further comprising a control panel disposed on said housing, said control panel being electrically connected to said switching device for controlling the conduction or disconnection of said switching device.

4. A distribution box according to claim 1, wherein said housing is provided with a wiring hole for passing a wire of a load therethrough and electrically connecting said terminal.

5. A distribution box according to claim 1, wherein said switching device is any one or a combination of at least two of a circuit breaker, a relay or a contactor.

6. A distribution box according to claim 3, wherein said control panel is any one or a combination of at least two of a remote control panel, a touch panel, a liquid crystal panel, a push panel and a voice panel.

7. A distribution box according to claim 3, wherein said control panel covers an opening of said housing for closing said housing.

8. A distribution box according to claim 1, wherein said terminals are soldered to said busbars.

9. An electrical distribution system comprising a main distribution box and a plurality of distribution boxes according to any of claims 1 to 8, each of the plurality of distribution boxes being electrically connected to the main distribution box.

10. The power distribution system of claim 9, wherein a main switch is disposed on the main distribution box, a branch switch is disposed on the distribution box, the main switch is configured to control on/off of electrical connection between the main distribution box and all the distribution boxes, and the branch switch is configured to control on/off of electrical connection between the main distribution box and a line protected by a single distribution box.

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