Multifunctional combination switch

Abstract

The utility model 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 present application belongs to the technical field of switch, in particular to a multifunctional combination switch. BACKGROUND

[0002] The disadvantages of new energy power generation are instability, time mismatch and energy waste. In order to ensure the stability of new energy power generation, at the same time, not to waste the precious electricity, energy storage as an important supporting technology, also more and more get the application, among them, the electrochemical energy storage dominated by battery has broad development prospects. In the current energy storage power station, the batteries are connected in series to form a battery pack, and then connected in series to form a battery cluster. 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 pre-charging function, the electric switch includes an electric switch housing, wherein the electric switch includes an electric switch driving mechanism, a pre-charge circuit switch and a main circuit switch accommodated in an internal space defined by the electric switch housing; the pre-charge circuit switch is arranged in the pre-charge circuit and is configured to be able to connect and disconnect the pre-charge 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-charge circuit and the main circuit are connected in parallel; the pre-charge circuit and the main circuit connected together are connected in series with the energy storage unit to be charged; the electric switch driving mechanism is arranged to drive the main circuit switch and the pre-charge circuit switch. The electric switch connects the pre-charge circuit containing the battery pack with the main circuit of the switch through the mechanical structure, to form an electric switch with pre-charge function. The electric switch integrates the pre-charge circuit into the main circuit, which has a complex structure. Once the pre-charge circuit fails, the entire switch unit needs to be disassembled for maintenance, which has great difficulty in maintenance, many parts, high product cost, and difficulty in combining more functions with the switch. The expandability of the switch is limited. SUMMARY

[0004] The purpose of the present application is to overcome the defects of the existing electric switch with pre-charging function, such as complex structure, great difficulty in maintenance, many parts and high product cost. A multifunctional combination switch is provided, which combines and integrates the switch module and the electrical accessory module respectively 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 scenes, and increase the expandability of the switch function.

[0005] TECHNICAL SCHEME

[0006] In order to achieve the above technical purposes, the present application provides a multifunctional combined switch, characterized in that it comprises a switch unit and an electrical accessory integrated unit, and the switch unit and the electrical accessory integrated unit are combined side by side into an entirety.

[0007] The electrical accessory integrated unit comprises a plurality of electrical function modules, and the plurality of electrical function modules are integrally installed at corresponding positions in an electrical cabinet to form an entirety and are then mounted 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 at least comprises a frame circuit breaker or a frame disconnector and a fuse, and the frame circuit breaker or the frame disconnector and the fuse are combined and mounted side by side.

[0010] In one embodiment, the plurality of electrical function modules are integrally installed at corresponding positions in an electrical cabinet to form an entirety and are then mounted on one side of the frame circuit breaker or the frame disconnector in the switch unit.

[0011] In one embodiment, the plurality of electrical function modules at least comprise a pre-charge module, and the pre-charge module is fixedly installed on the top end surface of the electrical cabinet.

[0012] Further, the pre-charge module is fixedly installed on the top end surface of the electrical cabinet.

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

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

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

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

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

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

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

[0020] Further, the backup fuse 7 is installed on the back side of the front inner cavity of the electric appliance cabinet above the surge module.

[0021] 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 electric appliance cabinet.

[0022] 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 electric appliance cabinet respectively.

[0023] In one of the embodiments, the secondary terminal is installed on the electric appliance cabinet.

[0024] Further, the secondary terminal is installed on the front end side of the top of the electric appliance cabinet.

[0025] In one of the embodiments, the electric appliance cabinet back is provided with a heat dissipation cover, and a threading hole is formed on the back side of the front inner cavity of the electric appliance cabinet.

[0026] Advantages

[0027] The application discloses a multifunctional combined switch which comprises a switch unit and an electric appliance accessory integrated unit, the switch unit and the electric appliance accessory integrated unit are combined into an entirety side by side, the electric appliance accessory integrated unit comprises a plurality of electric appliance function modules, the plurality of electric appliance function modules are integrated and installed at corresponding positions of an electric appliance cabinet to form an entirety and are installed on one side of the switch unit, the switch unit and the electric appliance accessory integrated unit are combined into an entirety after the switch unit and the electric appliance accessory integrated unit are respectively combined and integrated, the modules are independent of each other, the structure of the multifunctional combined switch is simplified, the wiring difficulty is reduced, a plurality of modules can be maintained respectively, various functional accessories can be added according to different scenes, and the expansibility of the switch function is increased. Meanwhile, the electric appliance accessories are installed in the electric appliance cabinet, material cost and labor cost are saved, the electric appliance accessories are more simple when installed in the electric appliance cabinet, and the space in the electric appliance cabinet is saved. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some of the embodiments of the application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0029] Figure 1 is a front view of a combined switch according to an embodiment of the application; Figure 1 is a back view of the combined switch according to the embodiment 1 of the application;

[0030] Figure 2 is a front view of a combined switch according to another embodiment of the application; Figure 2 is a back view of the combined switch according to the embodiment 2 of the application;

[0031] Figure 2 is a rear view of the combination switch of Figure 1. Figure 3

[0032] Figure 3 is a front view of the combination switch of Figure 1. Figure 4 Figure 4 is a rear view of the combination switch of Figure 3.

[0033] Figure 5 Figure 5 is a front view of the combination switch of Figure 3.

[0034] Figure 6 is a rear view of the combination switch of Figure 5. Figure 6 DETAILED DESCRIPTION

[0035] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application but not all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of the present application.

[0036] It should be noted that when a component is referred to as being "fixed" or "disposed" on another component, it can be directly on the other component or there can be a middle component. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be a middle component. The terms "vertical", "horizontal", "up", "down", "left", "right", and similar expressions used in the description of the present application are for the purpose of illustration only and do not indicate the only orientation of the embodiments.

[0037] In addition, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Therefore, the features defined as "first", "second" 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, for example, two, three, etc., unless otherwise specifically limited.

[0038] ​​​In the present application, unless specifically defined and limited otherwise, a first feature "on", "under", "above" or "over" a second feature can be in direct contact with the second feature, or indirectly in contact with the second feature through an intermediate medium. Moreover, a first feature "on", "above" and "over" a second feature can be directly above or obliquely above the second feature, or only indicate that the first feature is higher in horizontal height than the second feature. A first feature "under", "below" and "under" a second feature can be directly below or obliquely below the second feature, or only indicate that the first feature is lower in horizontal height than the second feature.

[0039] Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. The use of the terms "and / or" in the description of the present application includes any and all combinations of one or more of the associated listed items.

[0040] Embodiments

[0041] The existing electric switch connects the pre-charging circuit containing the battery pack with 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, which has a complex structure and is difficult to wire. Once the pre-charging circuit fails, the entire switch unit needs to be disassembled for maintenance, which is difficult to repair and has a large number of parts, high product cost, and difficulty in combining more functions with the switch. The expandability of the switch function is limited.

[0042] To solve the above problems, as shown in the accompanying drawings Figure 1 and 2 The present embodiment provides a multifunctional combined switch, which comprises a switch unit 1 and an electrical accessory integrated unit 2. 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 integrated or split type installed in different cabinet bodies. In the present embodiment, the switch unit 1 and the electrical accessory integrated unit 2 are split type installed in different cabinet bodies. Preferably, the switch unit 1 and the electrical accessory integrated unit 2 are installed on the same bottom plate 11 at the bottom. The electrical accessory integrated unit 2 comprises a plurality of electrical function modules, which are integrated and installed in the corresponding positions of 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 includes at least a frame circuit breaker or frame disconnect switch 101 and a fuse 102, which are arranged side-by-side. Several electrical functional modules are integrated and installed in corresponding positions within the electrical cabinet 6 to form a whole, and then mounted on one side of the frame circuit breaker or frame disconnect switch 101 in the switch unit 1. These electrical functional modules include at least a pre-charge module 3, which is fixedly installed on the outer surface of the electrical cabinet 6. Preferably, in this embodiment, the pre-charge module 3 is fixedly installed on the top surface A of the electrical cabinet 6. The pre-charge module 3 includes several pre-charge relays 301, which are arranged side-by-side on the top surface A of the electrical cabinet 6. (See attached diagram) Figure 2 As shown, the back of the electrical cabinet 6 is equipped with a heat dissipation shroud 12, as attached. Figure 3 As shown, a wire hole 13 is provided on the rear side B of the front inner cavity of the electrical cabinet 6.

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

[0045] Meanwhile, the backup fuse 7 is installed in the inner cavity of the front of the electrical cabinet 6, preferably as shown in the attached figure. 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, 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 of the top of the electrical cabinet 6. The pre-charge module 3, surge module 4, and discharge module 5 can all be connected to the attached... Figure 1 The secondary terminal 10 on the electrical cabinet 6 shown is then connected to the main circuit, or all terminals can be connected as shown in the attached diagram. Figure 1 The secondary terminal 14 of the switch on the switch unit 1 shown is then connected to the main circuit.

[0046] Example 2

[0047] In this embodiment, as shown in the appendixFigure 5 and 6 As shown in the figure, the pre-charge resistor 8 and the discharge resistor 9 are arranged side by side on the right side R of the inner cavity of the front face of the electric appliance cabinet 6. The other structures are the same as those in Embodiment 1.

[0048] Embodiment 3

[0049] In this embodiment, the pre-charge resistor 8 and the discharge resistor 9 are arranged on the left side L and the right side R of the inner cavity of the front face of the electric appliance cabinet 6, respectively. The other structures are the same as those in Embodiment 1.

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

[0051] The multifunctional combined switch provided by the present application combines and integrates the switch module and the electric appliance accessory module respectively, and forms a whole, and the modules are independent of each other, which not only simplifies the structure of the multifunctional combined switch, reduces the wiring difficulty, can maintain the modules respectively, and can also add various functional accessories according to different scenes, and increases the expansibility of the switch function.

[0052] The technical features of the above-described embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0053] The above-described embodiments only express several implementation manners of the present application, the description is more specific and detailed, but it should not be understood as the limitation of the patent scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the patent protection scope of the present application should be subject to the appended claims.

Claims

1. A multi-functional combination switch, characterized in that: It includes a switch unit (1) and an electrical accessory integration unit (2), which are arranged side by side as a whole; The electrical accessory integration unit (2) includes several electrical function modules. These electrical function modules are integrated and installed in the electrical cabinet (6) at corresponding positions to form a whole, and then installed on one side of the switch unit (1).

2. The multi-functional combination switch as described in claim 1, characterized in that: The switch unit (1) and the electrical accessory integration unit (2) can be integrated or separate.

3. The multi-functional combination switch as described in claim 1, characterized in that: The switching unit (1) includes at least a frame circuit breaker or frame disconnect switch (101) and a fuse (102), which are assembled side by side.

4. The multi-functional combination switch as described in claim 1, characterized in that: The several electrical functional 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 frame circuit breaker or frame disconnect switch (101) in the switch unit (1).

5. The multi-functional combination switch as described in claim 1, characterized in that: The plurality of electrical functional modules include at least a pre-charge module (3), which is fixedly installed on the outer side of the electrical cabinet (6).

6. The multi-functional combination switch as described in claim 5, characterized in that: The pre-charge module (3) is fixedly installed on the top surface (A) of the electrical cabinet (6).

7. The multi-functional combination switch as described in claim 5, characterized in that: The electrical functional modules also include a surge module (4) and / or a discharge module (5).

8. The multi-functional combination switch as described in claim 7, characterized in that: The surge module (4) is installed in the front inner cavity of the electrical cabinet (6).

9. The multi-functional combination switch as described in claim 8, characterized in that: The surge module (4) is installed on the lower part of the rear side (B) of the front inner cavity of the electrical cabinet (6).

10. The multi-functional combination switch as described in claim 7, characterized in that: The discharge module (5) includes at least one discharge relay (501), which is disposed on the outer side of the electrical cabinet (6).

11. The multi-functional combination switch as described in claim 10, characterized in that: The discharge relay (501) is located on the top surface (A) of the electrical cabinet (6) at the front end of the precharge module (3).

12. The multi-functional combination switch as described in claim 6, characterized in that: The precharge module (3) includes several precharge relays (301), which are arranged side by side on the top surface (A) of the electrical cabinet (6).

13. The multi-functional combination switch as described in claim 1, characterized in that: The backup fuse (7) is installed in the front cavity of the electrical cabinet (6).

14. The multi-functional combination switch as described in 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), above the surge module (4).

15. The multi-functional combination switch as described in claim 1, characterized in that: The pre-charge resistor (8) and the discharge resistor (9) are mounted side by side on the left (L) or right (R) side of the front inner cavity of the electrical cabinet (6); or, The pre-charge resistor (8) and the discharge resistor (9) are respectively mounted on the left side (L) and right side (R) of the front inner cavity of the electrical cabinet (6).

16. The multi-functional combination switch as described in claim 1, characterized in that: The secondary terminal (10) is installed on the electrical cabinet (6).

17. The multi-functional combination switch as described in 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 multi-functional combination switch as described in claim 1, characterized in that: The electrical cabinet (6) is equipped with a heat dissipation hood (12) on the back, and a wire hole (13) is opened on the rear side (B) of the front inner cavity of the electrical cabinet (6).

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