CN222508194U - Surge protector and cabinet - Google Patents

Abstract

The utility model relates to a surge protector and a cabinet, belonging to the technical field of surge protectors. The cabinet includes a cabinet body and a surge protector, and the surge protector includes a base and a plug-in module; the base is provided with n plug-in areas, one side of the plug-in area is provided with an anti-drop hole, and two plug-in interfaces are correspondingly provided in part or all of the plug-in areas, and the plug-in interface includes two elastically deformable plug-in pieces; the plug-in module is inserted into the plug-in area and has an anti-dropping piece and two electrodes, the anti-dropping piece can be elastically deformed and is provided with an anti-dropping protrusion that snaps with the anti-dropping hole, and the electrode is inserted into the plug-in interface and clamped by the two plug-in pieces. The surge protector and cabinet provided by the utility model adopt a plug-in connection between the plug-in module and the cover shell, and the failed module head can be directly plugged in and replaced from the cabinet panel without opening the upper cover of the cabinet body, which can effectively improve the convenience of maintenance and improve the problem of high replacement cost of the integrated SPD, and is particularly suitable for 1U cabinets.

Description

Surge protector and cabinet

Technical Field

The utility model belongs to the technical field of surge protectors, and particularly relates to a surge protector and a cabinet.

Background

The surge protector is an electric appliance for limiting transient overvoltage and surge current discharge, and can provide safety protection for various electronic/network equipment, instruments and meters and communication lines. The device can effectively protect equipment from being damaged by surge pulses and instant overvoltage caused by the outside (lightning stroke, electromagnetic radiation interference and the like) or the inside of the system (the system opening and closing effect, the starting and stopping of induction and capacitive load and the like). In order to improve the convenience of maintenance, the surge protector often adopts a plug-in structure, which comprises a surge protector base and a replaceable surge protector module plugged on the base. The installation space of the 1U cabinet is limited, the structural size of the surge protector is limited greatly, the requirement is high, and the surge protector is wholly embedded in a panel of the cabinet. In the prior art, when the surge protector module is plugged, the upper cover of the cabinet needs to be opened, and the maintenance is very inconvenient. The integrated SPD is generally adopted, and the maintenance is complex and the replacement cost is high.

Disclosure of utility model

In view of the above, the present utility model aims to provide a surge protector and a cabinet, in which a plug-in module is connected with a base, so that a failed module head can be quickly and directly plugged in and removed from a 1U cabinet panel, and the convenience of maintenance can be effectively improved without opening a cabinet upper cover, and meanwhile, the problem of high cost of integral replacement together during replacement of an integral SPD is solved.

The technical scheme of the utility model is as follows:

The utility model provides a surge protector which is used for a 1U cabinet and comprises a base, a plug module and an electrode, wherein n plug areas are arranged on the base, an anti-falling hole is formed in one side of each plug area, two plug interfaces are correspondingly arranged in part or all of the plug areas, each plug interface comprises two plug sheets capable of being elastically deformed, the plug module is inserted into each plug area and provided with an anti-falling sheet and two electrodes, the anti-falling sheet can be elastically deformed and is provided with an anti-falling protrusion buckled with the anti-falling hole, and the electrodes are inserted into the plug interfaces and clamped by the two plug sheets.

The base comprises a base body, a plug area, a first opening, a second opening, n first openings, n second openings, n conductive pieces and a conductive plate, wherein the base body further comprises n+1 conductive pieces, the plug openings corresponding to the plug area are respectively a first opening and a second opening, the n first openings are respectively connected with the n different conductive pieces, and all the second openings are connected with the same conductive piece.

As an alternative scheme, the base also comprises a conductive piece, the plug-in port also comprises at least two plug-in lugs which are plugged with the conductive piece, and the plug-in lugs and the plug-in pieces are arranged in a back-to-back manner.

Alternatively, the two plugging pieces are integrally formed, the distance between the two plugging pieces is reduced and then increased, and the tail ends of the plugging pieces are divided into at least two parts.

As an alternative scheme, the plug module is provided with a pressing notch, the anti-falling sheet is arranged in the pressing notch and can extend into the plug area, and the side wall of the plug area can squeeze the anti-falling protrusion and deform the anti-falling sheet.

As an alternative scheme, the front end of the anti-drop protrusion is a slope and the rear end is a vertical surface.

As an alternative, the opposite sides of the plug module are provided with a first transverse protrusion and a second transverse protrusion, and the first transverse protrusion is arranged on the anti-slip sheet.

Alternatively, the base is provided with an installation through hole.

As an alternative, the base is provided with a binding post, and the binding post adopts a spring binding post.

The utility model also provides a cabinet, which comprises a cabinet body and the surge protector, wherein the base is fixed on the cabinet body, and the opening of the plugging area is exposed.

The beneficial effects of the utility model are as follows:

According to the cabinet provided by the utility model, the surge protector is fixed on the cabinet body, the plug module can be inserted into the plug area of the base, the electrode can be clamped by the plug interface and is electrically communicated, the anti-falling sheet can be deformed, so that the anti-falling protrusion can be buckled with the anti-falling hole, and the plug module and the base are fixed. The plug module is connected with the base in a plug mode, can be directly plugged and replaced from the cabinet panel, does not need to open the upper cover of the cabinet body, can effectively improve the convenience of maintenance, improves the problem of high replacement cost of the integrated SPD, and is particularly suitable for a 1U cabinet.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. The above and other objects, features and advantages of the present utility model will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the several views of the drawings. The drawings are not intended to be drawn to scale, with emphasis instead being placed upon illustrating the principles of the utility model.

Fig. 1 is a schematic structural diagram of a surge protector according to a first embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a base of a surge protector according to a first embodiment of the present utility model;

Fig. 3 is a schematic structural diagram of a base of a surge protector according to a first embodiment of the present utility model;

fig. 4 is a schematic diagram of a mating relationship between a base (with a housing removed) and a plug module of a surge protector according to a first embodiment of the present utility model;

FIG. 5 is a schematic view of the wiring assembly of FIG. 4;

FIG. 6 is a schematic view of the partial structure (with the needle mount removed) of FIG. 5;

FIG. 7 is a schematic diagram of the interface in FIG. 5;

FIG. 8 is a second schematic structural diagram of the interface in FIG. 5;

fig. 9 is a schematic structural diagram of a plug module of a surge protector according to a first embodiment of the present utility model;

FIG. 10 is a schematic diagram of the internal structure of FIG. 9;

FIG. 11 is a second schematic diagram of the internal structure of FIG. 9;

fig. 12 is a schematic structural diagram of a cabinet according to a second embodiment of the utility model.

The icons comprise 10-machine cabinet, 11-machine cabinet body, 12-surge protector, 120-base, 121-housing, 122-plug area, 123-anti-drop hole, 124-installation through hole, 125-fool-proof socket, 130-wiring component, 131-wiring terminal, 132-pin arrangement seat, 133-conductive piece, 134-plug interface, 135-wiring port, 136-plug sheet, 137-plug lug, 140-plug module, 141-anti-drop sheet, 142-electrode, 143-anti-drop bulge, 144-first transverse bulge, 145-second transverse bulge, 146-fool-proof plug, 147-pin arrangement, 150-micro switch, 151-piezoresistor, 152-pin electrode and 153-arc baffle.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Example 1

Referring to fig. 1, a first embodiment of the present utility model provides a surge protector 12, wherein the surge protector 12 can be mounted on a server cabinet, particularly a 1U cabinet. The server enclosure may be considered a housing for the servers as well as the servers from an overall perspective. The server cabinet is in a cuboid shape, and the size is embodied by length, width and height. U represents the height of the server cabinet, which is an abbreviation of unit, 1U is equal to 4.445cm, and the height (thickness) of the server cabinet is taken as a basic unit of 4.445 cm.

The 1U cabinet is internally provided with electronic equipment, network equipment, communication lines and the like, and the surge protector 12 is used for limiting transient overvoltage and discharge surge current, so that the damage to equipment and lines in the cabinet caused by surge pulses and transient overvoltage caused by the outside or the inside of the system can be prevented.

The surge protector 12 mainly comprises a base 120 and a plug module 140, and each component is discussed in detail below.

Referring to fig. 2-4, the base 120 is mainly composed of a housing 121 and a wiring assembly 130, wherein the wiring assembly 130 is located in the housing 121.

The base 120 is provided with a mounting through hole 124, the mounting through hole 124 can run through the housing 121, the mounting through hole 124 is used for being matched with the cabinet body of the cabinet, the mounting through hole 124 can be penetrated with a fixing bolt, and the fixing bolt is in threaded connection with the cabinet body of the cabinet, so that the base 120 is fixed with the cabinet body.

The shape of the housing 121 is not limited, and for example, the housing 121 may have a rectangular cross section. The casing 121 is provided with n plug areas 122, where the number of plug areas 122 can be set according to needs, n is a positive integer greater than 0, n can be 1, 2, 3, 4, etc., for example, three, four, etc., in this embodiment, four plug areas 122 are provided on the casing 121, and four plug areas 122 are distributed side by side, and each plug area 122 has an opening.

Each of the plugging areas 122 is provided with an anti-falling hole 123, the anti-falling hole 123 may be disposed on one side of the plugging area 122, and the shape and the style of the anti-falling hole 123 are not limited, for example, the anti-falling hole 123 adopts a blind hole, a through hole, a stepped hole, etc., and in this embodiment, the anti-falling hole 123 adopts a through hole and is in a rectangular structure.

The wiring assembly 130 is located in the housing 121, and as shown in fig. 4, the wiring assembly 130 is configured to mate with and electrically communicate with the plug module 140.

Referring to fig. 5 and 6, the wiring assembly 130 mainly includes a wiring terminal 131, a pin header 132, a conductive member 133 and a socket 134, and the wiring terminal 131 and the socket 134 are electrically connected through the conductive member 133. As described above, there are n plug-in areas 122, and at least n+1 connection terminals 131. Each plug-in area 122 is electrically connected with one connecting terminal 131, and one more connecting terminal 131 is electrically conducted as a loop.

One end of the wiring terminal 131 is provided with a wiring port 135, and the wiring port 135 is mainly used for being electrically conducted with a wire in the cabinet.

The connection mode in the connection port 135 is not limited, for example, a screw press-clamping connection mode is generally adopted in the connection port 135, and if the mode is adopted, the connection and the installation are not convenient for a 1U cabinet. In this embodiment, the improvement can be made by adopting the spring type wiring terminal 131 for the wiring assembly 130, the structure of the spring type wiring terminal 131 can refer to the prior art, and the electrical connection can be realized by directly inserting the wires from the wiring port 135 during wiring, so that the rapid installation and wiring of the 1U cabinet can be realized, and the convenience and operability of wiring in the 1U cabinet are improved.

Each plug area 122 is provided with two plug interfaces 134, so as to correspond to two electrodes 142 (refer to fig. 9) of the plug module 140, and realize electrical conduction. In this embodiment, the interface 134 is located within the housing 121. The plug 134 may be provided outside the housing 121 as needed, as long as it can be mated with the plug module 140 and electrically connected. The two plug interfaces 134 in each plug zone 122 are in a group. As shown in fig. 7 and 8, the socket 134 includes two socket pieces 136, where the two socket pieces 136 may be integrally formed or detachably connected, the socket pieces 136 are made of a metal material capable of conducting electricity, the socket pieces 136 may be elastically deformed, i.e. under the action of an external force, the socket pieces 136 may be deformed, and when the external force disappears, the socket pieces 136 are reset. The two plugging pieces 136 are oppositely arranged, and a conductive area is formed between the two plugging pieces 136.

One part of the plug module 140 can be inserted into the plug area 122 and electrically communicated with the wiring assembly 130, and the other part is exposed outside the cabinet body of the cabinet, so that the plug module is convenient to plug and replace. The number of the plug modules 140 may be set as desired, and the number of the plug modules 140 is generally less than or equal to the number of the plug zones 122.

Referring to fig. 9, each of the plug modules 140 has a retaining piece 141 and two electrodes 142, the retaining piece 141 is used for fixing the plug module 140 and the housing 121 to prevent the plug module and the housing from being separated abnormally, and the electrodes 142 are used for being inserted into the plug interface 134 and electrically connected.

Wherein, the anti-drop piece 141 can elastic deformation, and one side of the anti-drop piece 141 is provided with an anti-drop protrusion 143, and the anti-drop protrusion 143 matches with the anti-drop hole 123, and the anti-drop protrusion 143 can lock in the anti-drop hole 123, and when the anti-drop piece 141 is deformed by extrusion, the anti-drop protrusion 143 can break away from in the anti-drop hole 123.

The material of the drop-preventing piece 141 is not limited, and in general, the drop-preventing piece 141 may be made of an insulating material such as plastic. The setting mode of the anti-drop piece 141 is not limited, for example, in the present embodiment, the plug module 140 may be provided with a pressing notch, the pressing notch may be rectangular, the anti-drop piece 141 is disposed in the pressing notch, and a gap may exist between the periphery of the anti-drop piece 141 and the pressing notch. One end of the anti-drop piece 141 is a connection end and the other end is a movable end, the connection end is connected with the plug module 140, and the anti-drop protrusion 143 is disposed outside the movable end. When the anti-drop piece 141 is pressed toward the inside of the plug module 140, the anti-drop piece 141 can be bent to separate the anti-drop protrusion 143 from the anti-drop hole 123, and the movable end can be reset under the action of no external force to enable the anti-drop protrusion 143 to be embedded into the anti-drop hole 123.

The anti-falling piece 141 can extend into the plugging area 122, and the anti-falling piece 141 is matched with the side wall of the housing 121, namely, when the plugging module 140 is plugged into the plugging area 122, the side wall of the housing 121 can press the anti-falling protrusion 143 to deform the anti-falling piece 141. The form of the escape preventing protrusion 143 is not limited, such as a hemispherical shape, a rectangular block shape, etc., and in the present embodiment, the escape preventing protrusion 143 may adopt, but not limited to, a scheme in which the front end of the escape preventing protrusion 143 is a slope and the rear end is a vertical surface. When the plug module 140 is inserted into the plug area 122, the slope of the anti-drop protrusion 143 contacts the sidewall of the plug area 122 first, and the sidewall of the plug area 122 can squeeze the anti-drop protrusion 143 due to the slope, so that the anti-drop piece 141 is automatically deformed without pressing the anti-drop piece 141 by a worker. After the plug module 140 is inserted in place, the vertical surface of the anti-falling protrusion 143 can hook the anti-falling hole 123, and the anti-falling protrusion 143 cannot easily separate from the anti-falling hole 123 under the action of no external force, so that the plug module 140 is more firm and safe.

The electrode 142 is made of a metal material capable of conducting electricity, and the shape of the electrode 142 is not limited, for example, a sheet shape, a block shape, or the like. The electrode 142 can be inserted into the socket 134, and the electrode 142 can push the two tabs 136 outwardly, and the electrode 142 is clamped and secured by the two tabs 136, thereby electrically conducting between the electrode 142 and the tabs 136.

In order to make the plugging of the electrodes 142 smoother, in this embodiment, a scheme may be selected in which the interval between the two plugging pieces 136 is decreased and then increased, and the ends of the plugging pieces 136 are divided into at least two parts. By this arrangement, the electrode 142 can smoothly enter between the two plug-in tabs 136, and the structure of the plug-in tab 136 is more stable.

The plug connector 134 and the connection terminal 131 are electrically connected by the conductive member 133, and the conductive member 133 is not limited in shape, and may be formed of a metal sheet or a wire in the present embodiment.

The two plug ports 134 in each plug zone 122 are a first port and a second port, the first port is an L port and an N port and the second port is a PE port, or the first port is an L port and a PE port and the second port is an N port, for example, the N plug zones 122 include N first ports and N second ports, wherein the N first ports include N-1L ports and 1N ports and the N second ports are N PE ports, or the N first ports include N-1L ports and 1 PE port and the N second ports are N ports. Where n is a positive integer greater than 1, and when n=1, the connection mode may be changed.

Specifically, the two plug ports 134 in each plug zone 122 may be L-port and N-port or L-port and PE-port or N-port and PE-port to implement an electrical path. Each L-port and one PE-port (or N-port) in the N plug-in areas 122 are respectively electrically connected to the corresponding connection terminal 131 through N different conductive members 133, and all N-ports (or PE-ports) in the N plug-in areas 122 can be connected to the other connection terminal 131 through the same conductive member 133. For example, the connection assembly 130 includes five connection terminals 131, wherein four connection terminals 131 are electrically connected to three L ports and one PE port through four conductive members 133, and the fifth connection terminal 131 is electrically connected to four N ports through one conductive member 133. The arrangement can facilitate layout, simplify the circuit, save the space, and has simpler and more reliable structure. Of course, in some embodiments, each of the L, N, and PE ports may be in electrical communication with a different terminal 131, e.g., eight terminals 131 may be provided for four plug zones 122.

The connection manner of the socket 134 and the conductive member 133 is not limited, for example, the socket 134 and the conductive member 133 are integrally formed or welded, and in this embodiment, but not limited to, the socket 134 further includes two socket lugs 137, a through hole is formed on the conductive member 133, the socket lugs 137 are inserted into the through hole, and the socket lugs 137 and the conductive member 133 are fixed by welding, cementing, and the like to achieve electrical conduction. The plug lugs 137 are arranged opposite the plug lugs 136. The plug lugs 137 and the plug pieces 136 can be integrally formed, or can be fixed by adopting welding, detachable connection and the like.

In addition, in order to facilitate the operation of the staff and prevent the slipping of the hand and the plug module 140, in this embodiment, a technical scheme may be adopted in which the lower half of the anti-slip sheet 141 is provided with a first lateral protrusion 144, and the other side of the plug module 140 is provided with a second lateral protrusion 145. After the plug module 140 is inserted into the plug zone 122, the first lateral protrusions 144 and the second lateral protrusions 145 are exposed outside the plug zone 122.

In addition, the plug module 140 and the base 120 may be further provided with fool-proof components correspondingly, one of the plug module 140 and the base 120 is provided with a fool-proof plug 146, the other is provided with a fool-proof socket 125, the fool-proof plug 146 can be inserted into the fool-proof socket 125, the cross sections of the fool-proof plug 146 and the fool-proof socket 125 may be T-shaped or other shapes, and the plug module 140 is prevented from being reversely inserted. The plugging module 140 is further provided with a pin 147, and the pin 147 is used for plugging and matching with the pin header 132, and is mainly used for communication.

Referring to fig. 10 and 11, the internal structure of the plug module 140 may refer to the prior art, and mainly includes a micro switch 150, a piezoresistor 151, a pin electrode 152, an arc baffle 153, and the like, which are not described herein.

The use method of the surge protector 12 provided in this embodiment is as follows:

The inserting step comprises the steps that a worker grabs the inserting and pulling module 140, aligns the inserting and pulling module 140 to one of the inserting and pulling areas 122, gradually inserts the inserting and pulling module 140, after the inserting and pulling module 140 is inserted to a certain depth, the anti-falling protrusion 143 is abutted against the side wall of the inserting and pulling area 122, the side wall of the inserting and pulling area 122 presses the anti-falling protrusion 143 to deform the anti-falling protrusion 141, continuously inserts the inserting and pulling module 140, gradually inserts the electrode 142 into the inserting and pulling port 134, the electrode 142 extrudes the two inserting and pulling pieces 136 outwards, after the inserting and pulling module 140 is inserted in place, the anti-falling protrusion 143 is opposite to the anti-falling hole 123, the anti-falling protrusion 143 is not extruded by the side wall of the inserting and pulling area 122, the anti-falling protrusion 141 is elastically deformed and reset, so that the anti-falling protrusion 143 is buckled into the anti-falling hole 123, at the moment, the vertical face of the anti-falling protrusion 143 is hooked on the anti-falling hole 123, and the electrode 142 is clamped and fixed by the two inserting and pulling pieces 136 are electrically conducted.

The pulling-out step includes that a worker grabs the plug module 140 and presses the anti-drop piece 141 with fingers to deform the anti-drop piece 141, the anti-drop protrusions 143 are separated from the anti-drop holes 123, the plug module 140 is pulled back, at this time, the electrodes 142 are gradually separated from the plug ports 134 until the plug module 140 is completely pulled out, and the anti-drop piece 141 is released to elastically deform and reset.

The steps can be increased, decreased, modified, order adjusted, etc. as needed.

Example two

A second embodiment of the present utility model provides a cabinet 10, where the cabinet 10 may be a 1U cabinet 10.

The cabinet 10 mainly comprises a cabinet body 11 and a surge protector 12, wherein the surge protector 12 is arranged in the cabinet body 11 and a part of the surge protector is exposed.

The structure of the cabinet 11 is not limited, and reference may be made to the prior art, and details thereof are not described herein.

The surge protector 12 may refer to the structure of the first embodiment, and the non-mentioned portion of the surge protector 12 may refer to the first embodiment or the prior art.

The base 120 is fixed to the cabinet 11, and an opening of the plugging area 122 is exposed, so that the plugging module 140 can be plugged into and pulled out from the plugging area 122. After the plug module 140 is inserted into the plug zone 122, the plug module 140 may be located outside the cabinet 10.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A surge protector for a 1U cabinet, comprising:

The base is provided with n plug areas, one side of each plug area is provided with an anti-drop hole, two plug interfaces are correspondingly arranged in each plug area, and each plug interface comprises two plug sheets capable of elastically deforming;

The plug module is inserted into the plug area and is provided with an anti-falling sheet and two electrodes, the anti-falling sheet can be elastically deformed and is provided with an anti-falling protrusion buckled with the anti-falling hole, and the electrodes are inserted into the plug ports and are clamped by the two plug sheets.

2. The surge protector of claim 1, wherein said base further comprises n+1 conductive members, said plug-in ports of said plug-in zone are first and second ports, respectively, n said first ports are connected to n different conductive members, respectively, and all said second ports are connected to the same conductive member.

3. The surge protector of claim 1, wherein the base further comprises a conductive member, the plug interface further comprises at least two plug lugs that plug with the conductive member, the plug lugs being disposed opposite the plug tabs.

4. The surge protector of claim 1, wherein the two tabs are integrally formed, a spacing between the two tabs decreases and then increases, and ends of the tabs are divided into at least two portions.

5. The surge protector of claim 1, wherein the plug module is provided with a pressing notch, the anti-slip sheet is disposed in the pressing notch and can extend into the plug zone, and a side wall of the plug zone can squeeze the anti-slip protrusion and deform the anti-slip sheet.

6. The surge protector of claim 5, wherein the front end of the anti-slip protrusion is a ramp and the rear end is a facade.

7. The surge protector of claim 1, wherein the opposite sides of the plug module are provided with a first lateral protrusion and a second lateral protrusion, the first lateral protrusion being disposed on the anti-slip tab.

8. The surge protector of claim 1, wherein the base is provided with mounting through holes.

9. The surge protector of claim 1, wherein the base is provided with spring terminals.

10. A cabinet comprising a cabinet body and the surge protector according to any one of claims 1-9, wherein the base is fixed to the cabinet body and the opening of the plug area is exposed.