Compact power supply change-over switch device

Abstract

The utility model discloses a compact power supply change-over switch device. The compact power supply change-over switch device comprises a base; the switch module is mounted on the base, and the switch module comprises a contact mechanism and an operating mechanism; the controller is installed on the base, the controller is electrically connected to the switch module, and the controller is adjacently arranged on one side of the switch module; the fusing module is installed on the upper end face of the operating mechanism, and the fusing module is electrically connected with the switch module and the controller; the wiring duct assembly comprises two wiring ducts with the same structure, and the wiring ducts are installed on the upper end face of the contact mechanism and are arranged on the two sides of the upper end face. The overload protection of the controller is realized by arranging the fusing module, and the fusing module is arranged above the switch module and is combined with the arrangement of the wiring duct assembly, so that electric wires among the electrical elements can be in order as much as possible, and the layout compactness of the electrical elements is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of switch electric appliances, in particular to a compact power transfer switch device. BACKGROUND

[0002] The main function of the dual power transfer switch is to switch to another standby power supply when the main power supply is disconnected due to some reasons, and it is widely used in places such as hospitals, airports, wharfs, fire departments, metallurgy, and chemical industry, which do not allow power failure.

[0003] The dual power transfer switch is divided into integral type and split type. The integral type is that the controller and the switch module are installed in one base. The split type is that the controller is installed on the cabinet panel, and the switch module is installed on the base and installed in the cabinet by the user. For the integral type dual power transfer switch, since all components are installed on one base, and the switch module includes a contact mechanism and a connected operating mechanism, the size of the entire switch device is relatively large. If the original switch module and the controller are increased with the overload protection fuse module, it is necessary to design a reasonable structure layout to limit the size of the entire switch device as much as possible to improve the convenience of disassembly and assembly. The dual power transfer switch on the market cannot better solve the compactness of the layout of various electrical elements, so that the size of the overall switch device is relatively large. CONTENT OF THE INVENTION

[0004] In order to limit the size of the entire switch device for easy disassembly and assembly, the present application provides a compact power transfer switch device.

[0005] The compact power transfer switch device provided by the present application adopts the following technical scheme:

[0006] A compact power transfer switch device comprises:

[0007] a base;

[0008] a switch module installed on the base, the switch module comprising a contact mechanism and an operating mechanism;

[0009] a controller installed on the base, the controller being electrically connected to the switch module and being arranged adjacent to one side of the contact mechanism;

[0010] a fuse module installed on the upper end surface of the operating mechanism, the fuse module being electrically connected to the switch module and the controller; and

[0011] a wiring slot assembly comprising two structurally identical wiring slots, the wiring slots being installed on the upper end surface of the contact mechanism and being arranged on both sides of the upper end surface;

[0012] The wiring slot has a wire passing channel, a plurality of wire inlet holes communicated with the wire passing channel are arranged on two sides of the wiring slot, and a wire outlet communicated with the wire passing channel is arranged at two ends of the wiring slot.

[0013] By adopting the above technical scheme, the switch module is arranged adjacent to the controller to limit the transverse size of the entire switch device, the added fuse module is used for protecting the controller in overload, and the fuse module is arranged above the switch module, so that the transverse size of the entire switch device is not increased. In addition, the wiring slot assembly is arranged, so that the wiring of each electrical element can be integrated, the possibility that the electrical element is forced to expand the size due to the wire disorder is reduced as much as possible, and the wire outlet of the wiring slot is arranged for the fuse, so that the length of the wire can be reduced, the arrangement of the switch module and the fuse module can be more compact, and subsequent disassembly and assembly operations of the entire switch device are facilitated.

[0014] Preferably, the isolation housing connected with the base further comprises:

[0015] The isolation cavity has an open side and the open side faces the base;

[0016] The fuse chamber is arranged in the isolation cavity, the fuse chamber has an operation opening communicated with the outside, and the fuse module is arranged in the fuse chamber; and

[0017] The partition plate is arranged close to one side of the contact mechanism, and the partition plate is provided with a guide opening communicated with the fuse chamber;

[0018] The operation mechanism and the controller are arranged in the isolation cavity, and one end of the wiring slot extends into the fuse chamber from the guide opening.

[0019] By adopting the above technical scheme, the isolation housing is arranged, so that part of the electrical elements can be limited in the isolation cavity, the overall size is limited, and the arrangement of the electrical elements is further compact. In addition, the isolation cavity can also serve as a protection cavity to cut off the conduction between the internal electrical elements and the outside. At the same time, the partition plate is arranged, so that one end of the wiring slot can extend into the fuse chamber from the guide opening. When the wiring slot is fixed again, the wire outlet end can be arranged in the isolation cavity, so that the exposed part of the wire is avoided, and better safety is achieved.

[0020] Preferably, the isolation housing connected with the base further comprises:

[0021] The base is arranged at the outer edge of the operation opening, and the base is provided with a clearance opening communicated with the operation opening; and

[0022] A transparent cover plate is hinged to the base for opening and closing the operation port.

[0023] By adopting the above technical scheme, the operation port formed on the isolation shell is connected with the outside world, compared with the existing fuse in the switch, the replacement of the fuse needs to open the switch device, the operation is more convenient, and the transparent cover plate arranged on the isolation shell can open and close the operation port, the state of each fuse can be quickly observed, and the transparent cover plate closes the operation port in the working process to ensure the safety in the working process.

[0024] Preferably, the controller comprises an outer shell connected with the base, the outer shell is provided with a connecting portion and a plurality of positioning ports on one side of the bottom portion, the connecting portion comprises a clearance hole and an adjusting port extending outward from one side of the clearance hole, and the diameter of the clearance hole is greater than the width of the adjusting port.

[0025] By adopting the above technical scheme, when the outer shell is connected with the base, the adjusting port and the positioning port are respectively connected with the fastener to ensure the stability of the connection of the outer shell, and the diameter of the clearance hole is greater than the width of the adjusting port, so that the fastener can be connected between the outer shell and the base without being completely disassembled, the adjusting port can also facilitate the adjustment of the relative position between the outer shell and the base, and then the position of the entire controller relative to the base is adjusted, thereby facilitating the adjustment of the layout between the electrical elements.

[0026] Preferably, the base comprises:

[0027] A first base;

[0028] A second base, the second base has a spacing with the first base to form a transverse distance; and

[0029] An adjusting seat arranged between the first base and the second base for increasing / decreasing the transverse distance.

[0030] Preferably, the adjusting seat is detachably connected with the first base and the second base.

[0031] By adopting the above technical scheme, the base with a split structure is provided, which can meet the installation of the switch module and the controller while minimizing the transverse size of the entire base. During the adjustment process, due to the detachable mode of the adjusting seat, different lengths of adjusting seats can be replaced according to the wiring form of the switch module, which is suitable for a wider range, and the manufacturing cost is also relatively low compared with replacing the entire base to adapt to different wiring form switch modules.

[0032] Preferably, the adjusting seat comprises:

[0033] A first seat body; and

[0034] A second seat body, which is identical in structure to the first seat body and is arranged in spaced relation to the first seat body;

[0035] The first base, the second base, the first seat body and the second seat body enclose a hollow region.

[0036] By adopting the above technical scheme, the split adjusting seat structure can further reduce the size of the base, and the enclosed hollow region can reduce the mass of the switch device, facilitate wiring and expand the connection of the module.

[0037] Preferably, the first base comprises two first side plates, the second base comprises two second side plates, the two ends of the first seat body and the second seat body are detachably connected to the first side plates and the second side plates, and the first side plates and the second side plates are provided with through holes.

[0038] By adopting the above technical scheme, the first side plates and the second side plates are combined with the first seat body and the second seat body to form a structure similar to a horizontal beam and a vertical beam, so that the connection stability is improved, and the through holes provide space for inserting hands during tooling or disassembly, facilitating disassembly operation.

[0039] Preferably, the base further comprises a limiting structure for connecting the adjusting seat and the first base and the second base, and the limiting structure comprises:

[0040] At least one limiting hole is provided on the first side plate and the second side plate;

[0041] At least one limiting hole is provided on the first side plate and the second side plate;

[0042] A clamping block is arranged at both ends of the adjusting seat, and the clamping block is clamped in the limiting hole;

[0043] A limiting hole is provided at both ends of the adjusting seat, and the limiting hole corresponds to the limiting hole and is in communication with the limiting hole; and

[0044] A fastener is arranged in the limiting hole and the limiting hole for connecting the adjusting seat and the first seat body and the second seat body.

[0045] By adopting the above technical scheme, the limiting hole and the clamping block are clamped to preliminarily limit the relative position between the adjusting seat and the first base and the second base, and facilitate further connection and stability. After the fastener passes through the limiting hole and the limiting hole, the connection between the adjusting seat and the first base and the second base is further determined.

[0046] In summary, the present application has at least one of the following beneficial technical effects:

[0047] 1. The overload protection of the controller is realized by setting the fuse module, and the fuse module is arranged above the switch module in combination with the setting of the wiring slot assembly, so that the wires between the electrical elements can be as regular as possible, and the compactness of the layout of the electrical elements is improved;

[0048] 2. The operation mechanism, the fuse module and the controller are accommodated by setting the isolation housing, in combination with the adjustable connection between the housing of the controller and the base, the layout compactness between the electrical elements in the isolation cavity is further improved, and the operation safety is further improved by the isolation housing;

[0049] 3. The lateral size of the entire switch device is further reduced by setting the split base, which can meet the installation of switch modules and controllers of different sizes. BRIEF DESCRIPTION OF DRAWINGS

[0050] Figure 1 It is a structural schematic diagram of a compact power conversion switch device;

[0051] Figure 2 It is an exploded schematic diagram of a compact power conversion switch device;

[0052] Figure 3 It is a connection schematic diagram between the isolation housing and the base;

[0053] Figure 4 It is a connection schematic diagram between the housing and the base;

[0054] Figure 5 It is an exploded schematic diagram of the base from one perspective;

[0055] Figure 6 It is an exploded schematic diagram of the base from another perspective;

[0056] Figure 7 It is a structural schematic diagram of the base;

[0057] Figure 8 It is a top view of the base.

[0058] Explanation of reference signs: 1, base; 11, first base; 111, first side plate; 12, second base; 121, second side plate; 13, adjusting seat; 131, first seat body; 132, second seat body; 133, clamping block; 134, limiting hole; 135, hollow area; 14, limiting opening; 15, positioning hole; 16, through opening; 2, switch module; 21, contact mechanism; 22, operating mechanism; 221, sealing plate; 3, controller; 31, panel; 32, outer shell; 321, positioning opening; 322, accommodating hole; 323, adjusting opening; 4, fuse module; 41, fuse seat; 411, wire inlet; 42, fuse; 5, wiring slot; 51, wire hole; 52, wire outlet; 6, isolation shell; 61, isolation cavity; 62, isolation side plate; 63, top plate; 631, operating opening; 632, mounting opening; 64, front plate; 65, partition plate; 651, guide inlet; 7, base; 71, accommodating opening; 8, transparent cover plate. DETAILED DESCRIPTION

[0059] The application will be further described below in conjunction with the drawings.

[0060] It should be noted that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements can also be present. In addition, when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can also be present. The terms "vertical", "horizontal", "left", "right" and similar expressions as used herein are for illustration only and do not limit the embodiments of the present application.

[0061] Unless otherwise defined, all technical and scientific terms used herein 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 application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the terms "and / or" includes any and all combinations of one or more of the associated listed items.

[0062] Figure 1 With Figure 2 The structure of a compact power conversion switch device is shown, the power conversion switch device in the embodiment is a whole type double power conversion switch device, comprising a base 1 and a switch module 2 and a controller 3 installed on the base 1. The switch module 2 comprises a contact mechanism 21 and an electrically connected operating mechanism 22, and the controller 3 is connected adjacent to the operating mechanism 22, and the contact mechanism 21 in the embodiment is a three-phase four-wire wiring structure with one inlet and two outlets.

[0063] The switch device further comprises a fuse module 4, which is installed above the operating mechanism 22, thereby not changing the lateral size of the whole switch device. The operating mechanism 22 comprises a top sealing plate 221, the fuse module 4 comprises a plurality of fuse seats 41 and fuses 42 clamped in the fuse seats 41, the fuse seats 41 are installed on the sealing plate 221, in the embodiment, six fuses 42 are provided and three fuses 42 are a group, each group corresponds to three-phase lines of two groups of outputs respectively, the output end of the fuse 42 is connected with the controller 3, thereby the length of the electric wire can be shortened as much as possible due to the whole fuse module 4 being arranged between the contact mechanism 21 and the controller 3, so that the arrangement of the electrical elements is more compact.

[0064] The switch device further comprises a wiring slot assembly, which comprises two wiring slots 5 with the same structure, the two wiring slots 5 are installed on the upper end surface of the contact mechanism 21 and located at both sides of the upper end surface of the contact mechanism 21, further shortening the distance between the contact plate position of the contact mechanism 21 and the wiring slot 5 and shortening the length of the electric wire.

[0065] The wiring slot 5 has a through wire channel, the two ends of the wire channel are communicated with the wire outlet 52; the two side walls of the wiring slot 5 are provided with a plurality of wire inlet holes 51. In particular, the two groups of fuses 42 correspond to one wiring slot 5 respectively, one side of each fuse seat 41 is provided with a wire inlet hole 411, the wire outlet 52 of the wiring slot 5 is opposite to the wire inlet hole 411, thereby the electric wire led out of the wire channel can be quickly connected with the fuse 42, the length of the electric wire is shortened and the wiring operation is facilitated.

[0066] In combination Figure 3 , the switch device further comprises an isolation housing 6, which is installed on the base 1. The main structure comprises two isolation side plates 62, a top plate 63, a front plate 64 and a partition plate 65, the above-mentioned several components enclose an isolation cavity 61, after the isolation housing 6 is connected with the base 1, the operating mechanism 22, the fuse module 4 and the controller 3 are accommodated in the isolation cavity 61, one side of the partition plate 65 is close to the contact mechanism 21 and is provided with two guide inlets 651, one end of the two wiring slots 5 can extend to the guide inlet 651.

[0067] The controller 3 comprises a housing 32 and a panel 31 connected to the top of the housing 32, the vertical height of the panel 31 is higher than the height of the sealing plate 221, after the isolation housing 6 is connected to the base 1, the two isolation side plates 62, a baffle plate 65, a top plate 63 and a side of the housing 32 form a fuse chamber, and the fuse module 4 is arranged in the fuse chamber. In order to facilitate the observation and replacement of the fuse 42, an operation opening 631 is formed in the top plate 63, and the top plate 63 is also provided with a mounting opening 632 for the extension of the panel 31. The base 1 is arranged on the top plate 63, and the base 1 is arranged at the outer edge of the operation opening 631 and has a clearance opening 71 communicating with the operation opening 631. A transparent cover plate 8 is hingedly connected to one side of the base 1, and the transparent cover plate 8 can open and close the clearance opening 71, and also open and close the operation opening 631.

[0068] Referring to Figure 4 and Figure 5 The base 1 is of a split structure and comprises a first base 11, an adjusting base 13 and a second base 12 connected in sequence, and the housing 32 is connected to the second base 12. A plurality of positioning openings 321 are formed in one side of the bottom of the housing 32, and the positioning openings 321 are open on one side. A connecting portion is also formed in the bottom of the housing 32, and the connecting portion comprises a clearance hole 322 and an adjusting opening 323 in communication. The adjusting opening 323 has a certain longitudinal length, and the diameter of the clearance hole 322 is greater than the width of the adjusting opening 323. When the housing 32 is connected to the second base 12, the fasteners can be connected to the second base 12 in advance. Some of the fasteners correspond to the plurality of positioning openings 321, and one fastener corresponds to the adjusting opening 323. The diameter of the clearance hole 322 allows the fastener to be completely threaded. The housing 32 has a floating space with the length of the adjusting opening 323. After the relative position between the housing 32 and the second base 12 is positioned, one fastener is slid into the adjusting opening 323 to be connected to the second base 12. In addition, a plurality of fasteners are slid into the positioning openings 321 to be further fixed. The floatingly adjusted housing 32 can flexibly adjust the position between the entire controller 3, the base 1 and the operating mechanism 22.

[0069] Referring to Figure 6 and Figure 7, the first base 11 has two first side plates 111, the second base 12 has two second side plates 121, and the adjusting seat 13 is of a split structure and includes a first seat body 131 and a second seat body 132 which are of the same structure. A limiting structure is further arranged between the adjusting seat 13 and the first base 11 and the second base 12, and the limiting structure is used to realize the connection between the adjusting seat 13 and the first base 11 and the second base 12. The limiting structure includes limiting openings 14 and positioning holes 15 which are arranged on the first side plates 111 and the second side plates 121, and the first seat body 131 and the second base 12 are provided with clamping blocks 133 which extend outward and limiting holes 134, when the adjusting seat 13 is connected with the first base 11 and the second base 12, the clamping blocks extend into the limiting openings 14 to realize preliminary limiting, the positioning holes 15 correspond to the limiting holes 134 and are connected by fasteners.

[0070] In combination Figure 8 The adjusting seat 13 is a modular replacement part, the first seat body 131 and the second seat body 132 are fixed-size components, the lateral size of the entire base 1 is L, the lateral size between the first base 11 and the second base 12 is B, and for the contact mechanisms 21 of different wiring forms, the size can be adjusted by replacing the adjusting seat 13 of different sizes to adjust the size of the base 1 for connection. At the same time, the split structure of the adjusting seat 13 has a hollow area 135 in the base 1, which reduces the mass of the base 1, and the hollow area 135 can be used for wiring and accommodation or expansion of electrical elements.

[0071] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A compact power transfer switch device, characterized in that: include: Base (1); A switch module (2) is mounted on the base (1), and the switch module (2) includes a contact mechanism (21) and an operating mechanism (22); A controller (3) is mounted on the base (1), the controller (3) is electrically connected to the switch module (2), and the controller (3) is arranged adjacent to one side of the contact mechanism (21); A fuse module (4) is mounted on the upper end surface of the operating mechanism (22), wherein the fuse module (4) is electrically connected to the switch module (2) and the controller (3); and A wiring trough assembly, the wiring trough assembly comprising two wiring troughs (5) of identical structure, the wiring troughs (5) being mounted on the upper end surface of the contact mechanism (21) and being placed on both sides of the upper end surface; The wiring trough (5) has a wire passage, and a plurality of wire inlet holes (51) communicating with the wire passage are provided on both sides of the wiring trough (5), and a wire outlet (52) communicating with the wire passage is provided at both ends of the wiring trough (5); the fuse module (4) includes a plurality of fuse seats (41) distributed on both sides of the upper end surface of the operating mechanism (22) and a fuse (42) provided in the fuse seat (41), the fuse seat (41) has a wire inlet (411), and one of the wire outlets (52) of the two wiring troughs (5) is arranged opposite to the plurality of wire inlets (411).

2. A compact power transfer switch device according to claim 1, characterized in that: It also includes an isolation shell (6) connected to the base (1), and the isolation shell (6) includes: An isolation cavity (61) having an opening on one side and the opening facing the base (1); A fuse chamber is placed in the isolation cavity (61), the fuse chamber has an operation port (631) communicating with the outside, and the fuse module (4) is placed in the fuse chamber; and A baffle plate (65) is located close to one side of the contact mechanism (21), and the baffle plate (65) is provided with an inlet (651) communicating with the fuse chamber; The operating mechanism (22) and the controller (3) are housed in the isolation chamber (61), and one end of the wiring trough (5) extends from the inlet (651) to the inside of the fuse chamber.

3. A compact power transfer switch device according to claim 2, characterized in that: Also includes: A base (1) is provided on the outer edge of the operating port (631), and the base (1) is provided with a clearance port (71) communicating with the operating port (631); as well as A transparent cover plate (8) is used to open and close the operating port (631), and the transparent cover plate (8) is hinged to the base (1).

4. The compact power transfer switch device according to claim 3, characterized in that: The controller (3) includes an outer shell (32), the outer shell (32) is connected to the base (1), the outer shell (32) is provided with a connecting portion at the bottom and a plurality of positioning openings (321) located on one side of the bottom, the connecting portion includes a communicating paving hole (322) and an adjusting opening (323) extending outward from one side of the paving hole (322), and the diameter of the paving hole (322) is greater than the width of the adjusting opening (323).

5. The compact power transfer switch device according to claim 3, characterized in that: The base (1) comprises: First base (11); A second base (12), wherein a spacing is provided between the second base (12) and the first base (11) to form a lateral distance; and An adjustment seat (13) is disposed between the first base (11) and the second base (12) and is used to increase / reduce the lateral distance; The adjustment seat (13) is detachably connected to the first base (11) and the second base (12).

6. The compact power transfer switch device according to claim 5, characterized in that: The adjustment seat (13) comprises: a first seat body (131); and A second seat body (132), the second seat body (132) has the same structure as the first seat body (131) and the two are arranged at intervals; The first base (11), the second base (12), the first base body (131) and the second base body (132) enclose a hollow area (135).

7. The compact power transfer switch device according to claim 6, characterized in that: The first base (11) includes two first side panels (111), the second base (12) includes two second side panels (121), the two ends of the first base body (131) and the second base body (132) are detachable from the first side panels (111) and the second side panels (121), and the first side panels (111) and the second side panels (121) are both provided with through openings (16).

8. The compact power transfer switch device according to claim 7, characterized in that: The base (1) further comprises a limiting structure for connecting the adjustment seat (13) with the first base (11) and the second base (12), wherein the limiting structure comprises: At least one limiting opening (14) is provided on the first side plate (111) and the second side plate (121); At least one positioning hole (15) is formed on the first side plate (111) and the second side plate (121); A clamping block (133) is provided at both ends of the adjustment seat (13), and the clamping block (133) is clamped in the limiting opening (14); Limiting holes (134) are provided at both ends of the adjustment seat (13), the positioning hole (15) corresponds to the limiting holes (134) and the two are connected; and The fastener is inserted into the positioning hole (15) and the limiting hole (134) and is used to connect the adjustment seat (13) with the first seat body (131) and the second seat body (132).

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