Multifunctional switch easy for wiring

Abstract

The utility model discloses a multifunctional switch easy to wire, which comprises a frame circuit breaker or a frame isolating switch and an electric appliance accessory integration unit, and the electric appliance accessory integration unit comprises a plurality of electric appliance function modules. And the plurality of electric appliance function modules are integrally installed at corresponding positions in the electric appliance cabinet to form a whole and then are installed on one side of the frame circuit breaker or the frame isolation switch. The electric appliance accessory module is integrated and then combined with the switch to form a whole body, and the electric appliance accessory module and the switch are mutually independent, so that the structure of the multifunctional switch is simplified, the wiring difficulty is reduced, the electric appliance accessory module and the switch can be respectively maintained, and various functional accessories can be added according to different scenes; and the expansibility of the switch function is improved. Meanwhile, by adopting the form of installing the electric appliance accessories in the electric appliance cabinet, the material cost and the labor cost are saved, the electric appliance accessories are installed in the electric appliance cabinet more simply, and the space in the electric appliance cabinet is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to switch technical field, specifically speaking is related to a multi -functional switch of easy wiring. BACKGROUND

[0002] With the development of direct current power system such as photovoltaic, energy storage, rail transit, data center, the application of switch in direct current system also becomes more and more extensive. In order to improve the working voltage and breaking capacity of switch in direct current power system, in the prior art, the switch is usually connected with various electric appliance function accessories in the circuit, but when the switch and various electric appliance function accessories are connected in the circuit at the same time, there are more contact points, the structure is complex, the wiring difficulty is big, the maintenance difficulty is big, the part quantity is more, the product cost is high, and it is difficult to combine more functions with the switch, and the function expansion of the switch is limited. CONTENT OF UTILITY MODEL

[0003] The utility model aims at the defects of more contact points, complex structure, big wiring difficulty, big maintenance difficulty, more part quantity and high product cost when the switch and various electric appliance function accessories are connected in the circuit at the same time, provides a multi -functional switch of easy wiring, integrates electric appliance accessory module and merges with switch to form a whole, and electric appliance accessory module and switch are independent of each other, which not only simplifies the structure of multi -functional switch, reduces the wiring difficulty, can maintain electric appliance accessory module and switch respectively, can increase various function accessories according to different scenes, and the expansion of switch function is increased.

[0004] TECHNICAL SCHEME

[0005] In order to realize the technical purpose, the utility model provides a multi -functional switch of easy wiring, characterized in that: it includes frame circuit breaker or frame isolation switch and electric appliance accessory integrated unit, the electric appliance accessory integrated unit includes a plurality of electric appliance function modules, the plurality of electric appliance function modules are integrated and installed in the corresponding position of electric appliance cabinet to form a whole and are installed on the side of frame circuit breaker or frame isolation switch.

[0006] In one embodiment, the frame circuit breaker or frame isolation switch and electric appliance accessory integrated unit 20 are integrated or separated.

[0007] In one embodiment, the plurality of electric appliance function modules at least include precharge module, and the precharge module is fixedly installed on the outer side of the electric appliance cabinet.

[0008] Further, the precharge module is fixedly installed on the top end face of the electric appliance cabinet.

[0009] In one embodiment, the plurality of electric appliance function modules further include surge module or / and discharge module.

[0010] In one of the embodiments, the surge module is installed in the front inner cavity of the electrical cabinet.

[0011] Further, the surge module is installed in the lower part of the rear side of the front inner cavity of the electrical cabinet.

[0012] In one of the embodiments, the discharge module comprises at least one discharge relay, which is arranged on the outer side of the electrical cabinet.

[0013] Further, the discharge relay is arranged on the top end surface of the electrical cabinet and located in front of the pre-charge module.

[0014] Further, the pre-charge module comprises a plurality of pre-charge relays, which are arranged side by side on the top end surface of the electrical cabinet.

[0015] In one of the embodiments, the backup fuse is installed in the front inner cavity of the electrical cabinet.

[0016] Further, the backup fuse is installed on the rear side of the front inner cavity of the electrical cabinet and located above the surge module.

[0017] In one of the embodiments, the pre-charge resistor and the discharge resistor are installed side by side on the left side or the right side of the front inner cavity of the electrical cabinet; or,

[0018] The pre-charge resistor and the discharge resistor are installed on the left side and the right side of the front inner cavity of the electrical cabinet, respectively.

[0019] In one of the embodiments, the secondary terminal is installed on the electrical cabinet.

[0020] Further, the secondary terminal is installed on the front end side of the top of the electrical cabinet.

[0021] Advantages

[0022] This utility model provides a multi-functional switch that is easy to wire. It includes a frame circuit breaker or frame disconnect switch and an integrated unit for electrical accessories. The integrated unit for electrical accessories includes several electrical function modules, which are integrated and installed in corresponding positions in an electrical cabinet to form a whole, and then mounted on one side of the frame circuit breaker or frame disconnect switch. The integrated electrical accessory modules are combined with the switch to form a single unit, and the electrical accessory modules and the switch are independent of each other. This not only simplifies the structure of the multi-functional switch and reduces the difficulty of wiring, but also allows for separate maintenance of the electrical accessory modules and the switch. It also allows for the addition of various functional accessories according to different scenarios, increasing the expandability of the switch's functions. At the same time, using an electrical cabinet to install the electrical accessories saves material and labor costs, and the electrical accessories are more neatly installed in the electrical cabinet, saving space within the cabinet. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0024] Appendix Figure 1 This is a schematic diagram of the three-dimensional structure of the switch in Embodiment 1 of this utility model;

[0025] Appendix Figure 2 This is a front view of the switch in Embodiment 1 of this utility model;

[0026] Appendix Figure 3 This is a schematic diagram of the installation of the surge module and backup fuse in Embodiment 1 of the present invention;

[0027] Appendix Figure 4 This is a schematic diagram of the three-dimensional structure of the switch in Embodiment 2 of this utility model;

[0028] Appendix Figure 5 This is a front view of the switch in Embodiment 2 of this utility model; Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element such as a layer, region or substrate is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. It will be understood that, when a layer is referred to as being "on" or "connected to" another layer, it has a function of being electrically connected to the other layer.

[0031] In addition, the terms "first", "second", etc. are used herein only to describe various elements, but do not imply or suggest relative importance or a number of the elements indicated. Thus, the features defined as "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise explicitly specified and limited.

[0032] In the present application, unless otherwise explicitly specified and limited, the "on", "under", "above" and "over" of the first feature to the second feature can be that the first feature is directly in contact with the second feature, or the first feature is indirectly in contact with the second feature through an intermediate medium. Moreover, the "on", "above" and "over" of the first feature to the second feature can be that the first feature is directly above or obliquely above the second feature, or only means that the first feature is horizontally higher than the second feature. The "under", "below" and "under" of the first feature to the second feature can be that the first feature is directly below or obliquely below the second feature, or only means that the first feature is horizontally lower than the second feature.

[0033] Unless otherwise defined, all technical and scientific terms used in the specification of the present application have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the specification of the present application includes any and all combinations of one or more related listed items.

[0034] Embodiment

[0035] When the switch and various electrical appliance function accessories are simultaneously connected to the circuit, there are many contacts, complex structure, difficult wiring, difficult maintenance, many parts, and high product cost. In order to solve this problem, as shown in the accompanying drawings Figure 1As shown in the drawings, the multifunctional switch of the present embodiment is easy to wire, which comprises a frame circuit breaker or frame disconnector 10 and an electrical accessory integrated unit 20. The frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are integrated or separated. In the present embodiment, the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are separated. The electrical accessory integrated unit 20 comprises several electrical function modules, which are integrated in the electrical cabinet 30 and installed beside the frame circuit breaker or frame disconnector 10. Preferably, the bottom of the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 is installed on the same bottom plate 40.

[0036] As shown in the drawings, the multifunctional switch of the present embodiment is easy to wire, which comprises a frame circuit breaker or frame disconnector 10 and an electrical accessory integrated unit 20. The frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are integrated or separated. In the present embodiment, the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are separated. The electrical accessory integrated unit 20 comprises several electrical function modules, which are integrated in the electrical cabinet 30 and installed beside the frame circuit breaker or frame disconnector 10. Preferably, the bottom of the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 is installed on the same bottom plate 40. Figure 1 and 2 As shown in the drawings, the multifunctional switch of the present embodiment is easy to wire, which comprises a frame circuit breaker or frame disconnector 10 and an electrical accessory integrated unit 20. The frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are integrated or separated. In the present embodiment, the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are separated. The electrical accessory integrated unit 20 comprises several electrical function modules, which are integrated in the electrical cabinet 30 and installed beside the frame circuit breaker or frame disconnector 10. Preferably, the bottom of the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 is installed on the same bottom plate 40. Figure 3 As shown in the drawings, the multifunctional switch of the present embodiment is easy to wire, which comprises a frame circuit breaker or frame disconnector 10 and an electrical accessory integrated unit 20. The frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are integrated or separated. In the present embodiment, the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are separated. The electrical accessory integrated unit 20 comprises several electrical function modules, which are integrated in the electrical cabinet 30 and installed beside the frame circuit breaker or frame disconnector 10. Preferably, the bottom of the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 is installed on the same bottom plate 40. Figure 3 As shown in the drawings, the multifunctional switch of the present embodiment is easy to wire, which comprises a frame circuit breaker or frame disconnector 10 and an electrical accessory integrated unit 20. The frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are integrated or separated. In the present embodiment, the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are separated. The electrical accessory integrated unit 20 comprises several electrical function modules, which are integrated in the electrical cabinet 30 and installed beside the frame circuit breaker or frame disconnector 10. Preferably, the bottom of the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 is installed on the same bottom plate 40. Figure 1 As shown in the drawings, the multifunctional switch of the present embodiment is easy to wire, which comprises a frame circuit breaker or frame disconnector 10 and an electrical accessory integrated unit 20. The frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are integrated or separated. In the present embodiment, the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 are separated. The electrical accessory integrated unit 20 comprises several electrical function modules, which are integrated in the electrical cabinet 30 and installed beside the frame circuit breaker or frame disconnector 10. Preferably, the bottom of the frame circuit breaker or frame disconnector 10 and the electrical accessory integrated unit 20 is installed on the same bottom plate 40. Figure 1As shown, the precharge module 21, surge module 22, and discharge module 23 can all be connected to the secondary terminal 27 before being connected to the main circuit, or they can all be connected as shown in the attached diagram. Figure 1 The secondary terminal 10a of the switch on the frame circuit breaker or frame disconnector 10 shown is then connected to the main circuit.

[0037] Example 2

[0038] As attached Figure 4 and 5 As shown, the pre-charge resistor 25 and the discharge resistor 26 are mounted side by side on the right side 34 of the front inner cavity of the electrical cabinet 30. The other structures are the same as in Embodiment 1.

[0039] Example 3

[0040] The pre-charge resistor 25 and the discharge resistor 26 are respectively mounted on the left side 33 and the right side 34 of the front inner cavity of the electrical cabinet 30. The other structures are the same as in Embodiment 1.

[0041] It should be noted that the installation positions of the functional accessories in the electrical cabinet of this utility model are not limited to the specific positions disclosed in the above embodiments, and can be changed according to the actual installation needs. However, any change in the installation position under the technical guidance of this utility model should be considered as falling within the protection scope of this utility model.

[0042] This utility model provides a multi-functional switch that is easy to wire. It includes a frame circuit breaker or frame disconnect switch 10 and an electrical accessory integration unit 20. The electrical accessory integration unit 20 includes several electrical function modules. These modules are integrated and installed in corresponding positions in an electrical cabinet 30 to form a whole, and then mounted on one side of the frame circuit breaker or frame disconnect switch 10. After integration, the electrical accessory modules are combined with the switch to form a single unit. The electrical accessory modules and the switch are independent of each other, which not only simplifies the structure of the multi-functional switch and reduces the difficulty of wiring, but also allows for separate maintenance of the electrical accessory modules and the switch. Furthermore, various functional accessories can be added according to different scenarios, increasing the expandability of the switch's functions.

[0043] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0044] The above-described embodiments are merely illustrative of several embodiments of the present application, which are described in more detail and in a specific manner, but should not be construed as limiting the scope of the patent of the present application. It should be noted that, for those of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application should be subject to the appended claims.

Claims

1. A multi-functional switch that is easy to wire, characterized in that: It includes a frame circuit breaker or frame disconnect switch (10) and an electrical accessory integration unit (20). The electrical accessory integration unit (20) includes several electrical function modules. The several electrical function modules are integrated and installed in the corresponding positions in the electrical cabinet (30) to form a whole and then installed on one side of the frame circuit breaker or frame disconnect switch (10).

2. The easy-to-wire multi-functional switch as described in claim 1, characterized in that: The frame circuit breaker or frame disconnect switch (10) and electrical accessory integration unit (20) are either integrated or separate.

3. The easy-to-wire multi-functional switch as described in claim 1, characterized in that: The plurality of electrical functional modules include at least a pre-charge module (21), which is fixedly installed on the outer side of the electrical cabinet (30).

4. The easy-to-wire multi-functional switch as described in claim 1, characterized in that: The plurality of electrical functional modules include at least a pre-charge module (21), which is fixedly installed on the top surface (31) of the electrical cabinet (30).

5. The easy-to-wire multi-functional switch as described in claim 1, characterized in that: The plurality of electrical functional modules also include a surge module (22) and / or a discharge module (23).

6. The easy-to-wire multi-functional switch as described in claim 5, characterized in that: The surge module (22) is installed in the front cavity of the electrical cabinet (30).

7. The easy-to-wire multi-functional switch as described in claim 6, characterized in that: The surge module (22) is installed on the lower part of the rear side (32) of the front inner cavity of the electrical cabinet (30).

8. The easy-to-wire multi-functional switch as described in claim 5, characterized in that: The discharge module (23) includes at least one discharge relay (231), which is disposed on the outer side of the electrical cabinet (30).

9. The easy-to-wire multi-functional switch as described in claim 8, characterized in that: The plurality of electrical functional modules include at least a pre-charge module (21), and the discharge relay (231) is disposed on the top surface (31) of the electrical cabinet (30) and located at the front end of the pre-charge module (21).

10. The easy-to-wire multi-functional switch as described in claim 4, characterized in that: The pre-charge module (21) includes several pre-charge relays (211), which are arranged side by side on the top surface (31) of the electrical cabinet (30).

11. The easy-to-wire multi-functional switch as described in claim 1, characterized in that: The backup fuse (24) is installed in the front cavity of the electrical cabinet (30).

12. The easy-to-wire multi-functional switch as described in claim 11, characterized in that: The plurality of electrical functional modules also include a surge module (22), and the backup fuse (24) is mounted on the rear side (32) of the front inner cavity of the electrical cabinet (30), located above the surge module (22).

13. The easy-to-wire multi-functional switch as described in claim 1, characterized in that: The pre-charge resistor (25) and the discharge resistor (26) are mounted side-by-side on the left side (33) or right side (34) of the front inner cavity of the electrical cabinet (30); or, The pre-charge resistor (25) and the discharge resistor (26) are respectively mounted on the left side (33) and right side (34) of the front inner cavity of the electrical cabinet (30).

14. The easy-to-wire multi-functional switch as described in claim 1, characterized in that: The secondary terminal (27) is installed on the electrical cabinet (30).

15. The easy-to-wire multi-functional switch as described in claim 14, characterized in that: The secondary terminal (27) is installed on the front end side of the top of the electrical cabinet (30).

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