Multifunctional combination switch

Abstract

The invention discloses a multifunctional combination switch, which comprises a switch unit and an electrical accessory integration unit, and the switch unit and the electrical accessory integration unit are combined into a whole side by side. 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 an electric appliance cabinet to form a whole and then installed on one side of the switch unit. According to the whole combination switch, the switch modules and the electric appliance accessory modules are respectively combined and integrated and then combined into a whole, the modules are mutually independent, the structure of the multifunctional combination switch is simplified, the wiring difficulty is reduced, the modules can be respectively maintained, and the maintenance cost is reduced. And meanwhile, various functional accessories can be added according to different scenes, so that 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 invention belongs to the technical field of switches, and in particular relates to a multifunctional combination switch. Background Art

[0002] The disadvantages of renewable energy power generation are instability, time mismatch, and energy waste. In order to ensure the stability of renewable energy power generation and not waste hard-earned electricity, energy storage, as an important supporting technology, is increasingly being used, among which electrochemical energy storage based on batteries has a broad development prospect. In current energy storage power stations, batteries are connected in series to form battery packs, which are then connected in series to form battery clusters. Each battery cluster has a high-voltage box to control the charging and discharging of the battery.

[0003] Chinese patent CN202211294684.1 discloses an electric switch with a pre-charging function, the electric switch comprising an electric switch housing, wherein the electric switch comprises an electric switch driving mechanism, a pre-charging circuit switch and a main circuit switch accommodated in an internal space defined by the electric switch housing; the pre-charging circuit switch is arranged in the pre-charging circuit and is configured to be able to connect and disconnect the pre-charging circuit; the main circuit switch is arranged in the main circuit and is configured to be able to connect and disconnect the main circuit; the pre-charging circuit is connected in parallel with the main circuit; the pre-charging circuit and the main circuit connected in parallel are connected in series with an energy storage unit to be charged; the electric switch driving mechanism is arranged to drive the main circuit switch and the pre-charging circuit switch. The electric switch connects the pre-charging circuit containing the battery pack to the main circuit of the switch through a mechanical structure to form an electric switch with a pre-charging function. The electric switch integrates the pre-charging circuit into the main circuit and has a complex structure. Once the pre-charging circuit fails, the switch unit needs to be disassembled as a whole for repair, which makes repair difficult, requires a large number of parts, and has a high product cost. It is also difficult to combine more functions with the switch, and the functional expandability of the switch is limited. Summary of the invention

[0004] The purpose of the present invention is to provide a multifunctional combination switch in order to address the defects of the above-mentioned existing electric switches with pre-charging function, such as complex structure, great difficulty in maintenance, large number of parts and high product cost. The switch module and the electrical accessory module are respectively integrated and then merged to form a whole. The modules are independent of each other, which not only simplifies the structure of the multifunctional combination switch, reduces the difficulty of wiring, and can maintain multiple modules separately, but also can add various functional accessories according to different scenarios, thereby increasing the expansibility of the switch function.

[0005] Technical Solution

[0006] In order to achieve the above technical objectives, the present invention provides a multifunctional combination switch, characterized in that: it comprises a switch unit and an electrical accessory integrated unit, wherein the switch unit and the electrical accessory integrated unit are combined side by side into a whole;

[0007] The electrical accessory integrated unit comprises a plurality of electrical function modules, which are integrated and installed at corresponding positions in the electrical cabinet to form a whole and then installed on one side of the switch unit.

[0008] In one embodiment, the switch unit and the electrical accessory integrated unit are integrated or separated.

[0009] In one embodiment, the switch unit comprises at least a frame circuit breaker or a frame isolating switch and a fuse, and the frame circuit breaker or the frame isolating switch and the fuse are assembled together in parallel.

[0010] In one embodiment, the plurality of electrical function modules are integrated and installed at corresponding positions in the electrical cabinet to form a whole, and then installed on one side of the frame circuit breaker or frame isolating switch in the switch unit.

[0011] In one embodiment, the plurality of electrical function modules at least include a pre-charging module, and the pre-charging module is fixedly mounted on the outer side of the electrical cabinet.

[0012] Furthermore, the pre-charging module is fixedly mounted on the top surface of the electrical cabinet.

[0013] In one embodiment, the plurality of electrical function modules further include a surge module and / or a discharge module.

[0014] In one embodiment, the surge module is installed in the front inner cavity of the electrical cabinet.

[0015] Furthermore, the surge module is mounted on the lower part of the rear side of the front inner cavity of the electrical cabinet.

[0016] In one embodiment, the discharge module includes at least one discharge relay, and the discharge relay is arranged on the outer side of the electrical cabinet.

[0017] Furthermore, the discharge relay is arranged on the top surface of the electrical cabinet and is located on the front end side of the pre-charging module.

[0018] In one embodiment, the pre-charging module includes a plurality of pre-charging relays, and the plurality of pre-charging relays 301 are arranged side by side on the top surface of the electrical cabinet.

[0019] In one embodiment, the backup fuse is installed in the front inner cavity of the electrical cabinet.

[0020] Furthermore, the backup fuse 7 is mounted on the rear side of the front inner cavity of the electrical cabinet and is located above the surge module.

[0021] In one embodiment, the pre-charging resistor and the discharge resistor are installed side by side on the left side or right side of the front inner cavity of the electrical cabinet; or,

[0022] The pre-charging resistor and the discharging resistor are respectively mounted on the left side and the right side of the front inner cavity of the electrical cabinet.

[0023] In one embodiment, the secondary terminal is installed on the electrical cabinet.

[0024] Furthermore, the secondary terminal is installed on the front end side of the top of the electrical cabinet.

[0025] In one of the embodiments, a heat dissipation cover is installed on the back of the electrical cabinet, and a threading hole is opened on the rear side surface of the front inner cavity of the electrical cabinet.

[0026] Beneficial Effects

[0027] The present invention discloses a multifunctional combination switch, which includes a switch unit and an electrical accessory integrated unit, wherein the switch unit and the electrical accessory integrated unit are combined side by side into a whole; the electrical accessory integrated unit includes a plurality of electrical functional modules, which are integrated and installed at corresponding positions in an electrical cabinet to form a whole and then installed on one side of the switch unit. The entire combination switch combines and integrates the switch module and the electrical accessory module respectively and then merges them to form a whole. The modules are independent of each other, which not only simplifies the structure of the multifunctional combination switch and reduces the difficulty of wiring, but also enables the maintenance of multiple modules separately. At the same time, various functional accessories can be added according to different scenarios, thereby increasing the expansibility of the switch function. At the same time, the electrical accessories are installed in the electrical cabinet in a form that saves material costs and labor costs, and the electrical accessories are installed in the electrical cabinet more simply, saving space in the electrical cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0029] Attached Figure 1 is a schematic diagram of the front structure of the combination switch in Embodiment 1 of the present invention;

[0030] Attached Figure 2 is a schematic diagram of the back structure of the combination switch in Embodiment 1 of the present invention;

[0031] Attached Figure 3 is a rear view of the combination switch in Embodiment 1 of the present invention;

[0032] Attached Figure 4 It is a schematic diagram of the installation of the surge module and the backup fuse in Embodiment 1 of the present invention;

[0033] Attached Figure 5 is a schematic diagram of the front structure of a combination switch in Embodiment 2 of the present invention;

[0034] Attached Figure 6 is a schematic diagram of the back structure of the combination switch in Embodiment 2 of the present invention; DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0036] It should be noted that when a component is referred to as being "fixed to" or "disposed on" another component, it may be directly on the other component or there may also be a central component. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may be a central component at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used in the specification of this application are for illustrative purposes only and do not represent the only implementation method.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0038] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first feature is directly in contact with the second feature, or the first feature and the second feature are in contact indirectly through an intermediate medium. Moreover, a first feature being “above”, “above”, or “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, or “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0039] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more related listed items.

[0040] Example

[0041] The existing electric switch connects the pre-charging circuit containing the battery pack to the main circuit of the switch through a mechanical structure to form an electric switch with a pre-charging function. The electric switch integrates the pre-charging circuit into the main circuit, has a complex structure, and is difficult to wire. Once the pre-charging circuit fails, the switch unit needs to be disassembled as a whole for repair, which is difficult to repair. The number of parts is large, the product cost is high, and it is difficult to combine more functions with the switch, so the functional expandability of the switch is limited.

[0042] In order to solve the above problems, the attached Figure 1 and 2 As shown, this embodiment provides a multifunctional combination switch, which includes a switch unit 1 and an electrical accessory integrated unit 2, and the switch unit 1 and the electrical accessory integrated unit 2 are combined side by side into a whole; the switch unit 1 and the electrical accessory integrated unit 2 are an integrated type in which all functional parts are installed together, or a split type in which they are installed in different cabinets. In this embodiment, the switch unit 1 and the electrical accessory integrated unit 2 are a split type in which all functional parts are installed in different cabinets. In this embodiment, preferably, the bottoms of the switch unit 1 and the electrical accessory integrated unit 2 are installed on the same base plate 11. Among them, the electrical accessory integrated unit 2 includes a plurality of electrical function modules, and the plurality of electrical function modules are integrated and installed in the corresponding positions in the electrical cabinet 6 to form a whole and then installed on one side of the switch unit 1.

[0043] Specifically, the switch unit 1 at least includes a frame circuit breaker or a frame isolating switch 101 and a fuse 102, and the frame circuit breaker or the frame isolating switch 101 and the fuse 102 are assembled together side by side. The plurality of electrical function modules are integrated and installed at corresponding positions in the electrical cabinet 6 to form a whole, and then installed on one side of the frame circuit breaker or the frame isolating switch 101 in the switch unit 1. The plurality of electrical function modules at least include a pre-charging module 3, and the pre-charging module 3 is fixedly installed on the outer surface of the electrical cabinet 6. Preferably, in this embodiment, the pre-charging module 3 is fixedly installed on the top surface A of the electrical cabinet 6. The pre-charging module 3 includes a plurality of pre-charging relays 301, and the plurality of pre-charging relays 301 are arranged side by side on the top surface A of the electrical cabinet 6. As shown in the attached figure Figure 2 As shown, the back of the electrical cabinet 6 is provided with a heat dissipation mask 12. Figure 3 As shown, a threading hole 13 is opened on the rear side surface B of the front inner cavity of the electrical cabinet 6.

[0044] As attached Figure 1 As shown, the plurality of electrical function modules further include a surge module 4 and / or a discharge module 5. In this embodiment, the plurality of electrical function modules further include a surge module 4 and a discharge module 5. Wherein, the surge module 4 is installed in the front inner cavity of the electrical cabinet 6. Preferably, in this embodiment, as shown in the attached Figure 4 As shown, the surge module 4 is mounted on the surge mounting rail 4a at the lower portion of the rear side surface B of the front inner cavity of the electrical cabinet 6. The discharge module 5 includes at least one discharge relay 501, which is arranged on the outer side of the electrical cabinet 6. Preferably, in this embodiment, the discharge relay 501 is arranged on the top surface A of the electrical cabinet 6 at the front end side of the pre-charging module 3.

[0045] At the same time, the backup fuse 7 is installed in the front inner cavity of the electrical cabinet 6, preferably, as shown in the attached Figure 4 As shown, in this embodiment, the backup fuse 7 is mounted on the backup fuse mounting rail 7a on the rear side B of the front inner cavity of the electrical cabinet 6, and is located above the surge module 4. The pre-charge resistor 8 and the discharge resistor 9 are mounted side by side on the left side L of the front inner cavity of the electrical cabinet 6. The secondary terminal 10 is mounted on the electrical cabinet 6, preferably, the secondary terminal 10 is mounted on the front end side of the top of the electrical cabinet 6. The pre-charge module 3, the surge module 4, and the discharge module 5 can all be connected to the attached Figure 1 The secondary terminal 10 on the electrical cabinet 6 shown in the figure is then connected to the main circuit, or both can be connected to the attached Figure 1 The switch secondary terminal 14 on the switch unit 1 is connected to the main circuit.

[0046] Example 2

[0047] In this embodiment, as shown in the attached Figure 5 and 6 As shown, the pre-charging resistor 8 and the discharge resistor 9 are installed side by side on the right side R of the front inner cavity of the electrical cabinet 6. The other structures are the same as those of the first embodiment.

[0048] Example 3

[0049] In this embodiment, the pre-charging resistor 8 and the discharge resistor 9 are respectively mounted on the left side L and the right side R of the front inner cavity of the electrical cabinet 6. The other structures are the same as those of the first embodiment.

[0050] It should be noted that the installation positions of the functional accessories in the electrical cabinet in the present invention are not only the specific positions disclosed in the above embodiments, but can also be changed according to the actual installation needs. However, any change of the installation position under the technical inspiration of the present invention should be deemed to fall within the protection scope of the present invention.

[0051] The present invention provides a multifunctional combination switch, in which a switch module and an electrical accessory module are respectively integrated and then merged to form a whole. The modules are independent of each other, which not only simplifies the structure of the multifunctional combination switch and reduces the difficulty of wiring, but also enables separate maintenance of multiple modules. At the same time, various functional accessories can be added according to different scenarios, thereby increasing the expansibility of the switch function.

[0052] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described 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.

[0053] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several variations 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 present application shall be subject to the attached claims.

Claims

1. A multifunctional combination switch, characterized in that: It comprises a switch unit (1) and an electrical accessory integrated unit (2), wherein the switch unit (1) and the electrical accessory integrated unit (2) are combined side by side into a whole; The electrical accessory integrated unit (2) comprises a plurality of electrical function modules, which are integrated and installed at corresponding positions in the electrical cabinet (6) to form a whole and then installed on one side of the switch unit (1).

2. The multifunctional combination switch according to claim 1, characterized in that: The switch unit (1) and the electrical accessory integrated unit (2) are of an integrated type or a split type.

3. The multifunctional combination switch according to claim 1, characterized in that: The switch unit (1) comprises at least a frame circuit breaker or a frame isolating switch (101) and a fuse (102), and the frame circuit breaker or the frame isolating switch (101) and the fuse (102) are assembled together in parallel.

4. The multifunctional combination switch according to claim 1, characterized in that: The plurality of electrical function modules are integrated and installed at corresponding positions in the electrical cabinet (6) to form a whole, and then installed on one side of the frame circuit breaker or frame isolating switch (101) in the switch unit (1).

5. The multifunctional combination switch according to claim 1, characterized in that: The plurality of electrical functional modules at least comprises a pre-charging module (3), and the pre-charging module (3) is fixedly mounted on the outer side of the electrical cabinet (6).

6. The multifunctional combination switch according to claim 5, characterized in that: The pre-charging module (3) is fixedly mounted on the top surface (A) of the electrical cabinet (6).

7. The multifunctional combination switch according to claim 5, characterized in that: The plurality of electrical functional modules further include a surge module (4) and / or a discharge module (5).

8. The multifunctional combination switch according to claim 7, characterized in that: The surge module (4) is installed in the front inner cavity of the electrical cabinet (6).

9. The multifunctional combination switch according to claim 8, characterized in that: The surge module (4) is mounted on the lower part of the rear side surface (B) of the front inner cavity of the electrical cabinet (6).

10. The multifunctional combination switch according to claim 7, characterized in that: The discharge module (5) comprises at least one discharge relay (501), and the discharge relay (501) is arranged on the outer side of the electrical cabinet (6).

11. The multifunctional combination switch according to claim 10, characterized in that: The discharge relay (501) is arranged on the top surface (A) of the electrical cabinet (6) and is located at the front end side of the pre-charging module (3).

12. The multifunctional combination switch according to claim 6, characterized in that: The pre-charging module (3) comprises a plurality of pre-charging relays (301), and the plurality of pre-charging relays (301) are arranged side by side on the top surface (A) of the electrical cabinet (6).

13. The multifunctional combination switch according to claim 1, characterized in that: The backup fuse (7) is installed in the front inner cavity of the electrical cabinet (6).

14. The multifunctional combination switch according to claim 13, characterized in that: The backup fuse (7) is mounted on the rear side (B) of the front inner cavity of the electrical cabinet (6) and is located above the surge module (4).

15. The multifunctional combination switch according to claim 1, characterized in that: The pre-charging resistor (8) and the discharging resistor (9) are mounted side by side on the left side (L) or right side (R) of the front inner cavity of the electrical cabinet (6); or, The pre-charging resistor (8) and the discharging resistor (9) are respectively mounted on the left side (L) and the right side (R) of the front inner cavity of the electrical cabinet (6).

16. The multifunctional combination switch according to claim 1, characterized in that: The secondary terminal (10) is installed on the electrical cabinet (6).

17. The multifunctional combination switch according to claim 16, characterized in that: The secondary terminal (10) is installed on the front end side of the top of the electrical cabinet (6).

18. The multifunctional combination switch according to claim 1, characterized in that: The back of the electrical cabinet (6) is provided with a heat dissipation cover (12), and a threading hole (13) is provided on the rear side surface (B) of the front inner cavity of the electrical cabinet (6).

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