CN216086134U

CN216086134U - Voltage protection and switching device

Info

Publication number: CN216086134U
Application number: CN202122339985.9U
Authority: CN
Inventors: 邱九星
Original assignee: Guangdong Huadaming Electric Power Technology Co ltd
Current assignee: Guangdong Huadaming Electric Power Technology Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-18
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a voltage protection and switching device which comprises an outer frame, branch lines, a main line, a main board, a front board and emergency protection modules, wherein side pieces are fixedly installed on the left outer wall and the right outer wall of a shell, a sealing sleeve is fixedly installed at the top end of the shell in a penetrating mode, the main line is installed in the middle of the sealing sleeve in a penetrating mode, the main board is fixedly installed on the rear portion of the inner side of the shell, a main circuit breaker is fixedly installed on the upper portion of the front side of the main board, a voltage monitoring module is fixedly installed at the bottom end of the main circuit breaker, the emergency protection modules are fixedly installed at the bottom end of the voltage monitoring module, and branch circuit breakers which are horizontally arranged are fixedly installed on the lower portion of the front side of the main board. The utility model has reasonable structural design, a combined structure, convenient wiring and disconnection, compact assembly, good sealing effect, no mutual interference, quick later-stage disassembly and assembly, and high practicability and is provided with the emergency protection module which is smooth in electric conduction and convenient to replace.

Description

Voltage protection and switching device

Technical Field

The utility model relates to the field of voltage protection, in particular to a voltage protection and switching device.

Background

The voltage protection is a relay protection mode which takes the measured voltage at the installation position of the protection device as an action quantity. The relay protection formed by using the over-low or over-high voltage is respectively called low-voltage protection and over-voltage protection. The operating voltage of the power system is an important index of the quality of electric energy, and when the operating voltage deviates from the rated voltage and exceeds a certain limit, the stable operation of the system can be damaged, the quantity and the quality of factory products are influenced, and the damage of electric equipment can be caused.

The structure of the existing voltage protection device is simple and crude, only abnormal power-off protection is realized, a power supply switching function is not provided, the work can be stopped only after the power-off, the efficiency of power supply work is influenced, welding or bolt spinning is adopted at the connection position of the wire harness, the later maintenance of welding is inconvenient, and the bolt is pressed tightly and easily disconnected and falls off.

Accordingly, one skilled in the art provides a voltage protection and switching device to solve the above problems.

Disclosure of Invention

The present invention is directed to a voltage protection and switching device, so as to solve the problems of the related art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a voltage protection and switching device comprises an outer frame, branch lines, a main line, a main board, a front board and an emergency protection module, wherein the left and right outer walls of the shell are fixedly provided with side pieces, the top end of the shell is fixedly provided with a sealing sleeve in a penetrating way, the middle part of the sealing sleeve is provided with the main line in a penetrating way, the rear part of the inner side of the shell is fixedly provided with the main board, the upper part of the front side of the main board is fixedly provided with a main circuit breaker, the bottom end of the main circuit breaker is fixedly provided with a voltage monitoring module, the bottom end of the voltage monitoring module is fixedly provided with the emergency protection module, the lower part of the front side of the main board is fixedly provided with a branch circuit breaker which is horizontally arranged, the branch circuit breaker is fixedly connected with the emergency protection module, the lower part of the front side of the main board is fixedly provided with a power connection base which is fixedly connected with the branch circuit breaker, the inner wall of the rear side of the shell is fixedly provided with symmetrically arranged bolt bases, the bottom end of the shell is fixedly provided with a pressure frame through bolts, the pressing frame is internally provided with a sealing sleeve in a penetrating and fixing mode, the middle of the sealing sleeve is provided with a branch line in a penetrating and inserting mode, the top end of the branch line is fixedly provided with a plug wire head, the top end of the plug wire head is provided with a plug groove, the plug wire head is assembled with an electric connection seat in a penetrating mode, the lower portion of the electric connection seat is provided with a compression bolt in a penetrating mode, the compression bolt is assembled with the plug wire head in a penetrating mode, the inner side of the shell is fixedly provided with an inner lining plate, the inner part of the inner lining plate is fixedly provided with an insulating sleeve matched with the plug wire head in a penetrating mode, and the front side of the shell is provided with a front plate through bolt fixing.

As a further scheme of the utility model: emergent protection module includes the cover shell, fuse, presses seat and spacing card, the both ends inner wall connects soon through the screw thread about the cover shell to install and presses the seat, is located upper portion press the seat to pass through pencil and voltage monitoring module electric connection, be located the lower part press seat and a circuit breaker electric connection, cover shell middle part inner wall fixed mounting has spacing card, and the fuse is installed to spacing card middle part joint, and the fuse crimping is installed two press between the seat.

As a still further scheme of the utility model: the upper part of the front plate is provided with a small through hole matched with the main breaker, and the lower part of the front plate is provided with a large through hole matched with the branch breaker.

As a still further scheme of the utility model: the front side of the front plate is rotatably provided with a first cover plate and a second cover plate, and the front side of the front plate is fixedly provided with a clamping seat matched with the first cover plate and the second cover plate.

As a still further scheme of the utility model: the main board is electrically connected with the main circuit breaker, the voltage monitoring module, the power connection seat and the branch circuit breakers respectively, an emergency protection module is installed between the voltage monitoring module and the branch circuit breakers, the main circuit breaker is electrically connected with the main line, the branch circuit breakers are electrically connected with the power connection seat, and the main board is electrically connected with the external control equipment.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has reasonable structural design, a combined structure, convenient wiring and disconnection, compact assembly, good sealing effect, no mutual interference, quick later-stage disassembly and assembly, and high practicability and is provided with the emergency protection module which is smooth in electric conduction and convenient to replace.

Drawings

Fig. 1 is a schematic structural diagram of a voltage protection and switching device.

Fig. 2 is a schematic diagram of an internal structure of a voltage protection and switching device.

Fig. 3 is a schematic diagram of a lower portion of a voltage protection and switching device.

Fig. 4 is a partial structure diagram of a voltage protection and switching device.

In the figure: the circuit breaker comprises an outer frame 1, a first cover plate 2, a second cover plate 3, a side plate 4, a branch line 5, a pressing frame 6, a main line 7, a sealing sleeve 8, a main circuit breaker 9, a voltage monitoring module 10, a casing 11, a branch circuit breaker 12, a plug wire head 13, a power connection base 14, a fuse 15, a main board 16, a bolt base 17, a compression bolt 18, an insulating sleeve 19, a sealing sleeve 20, an inner lining plate 21, a front plate 22, a pressing base 23 and a limiting card 24.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in the embodiment of the present invention, a voltage protection and switching device includes an outer frame 1, a branch line 5, a main line 7, a main board 16, a front board 22 and an emergency protection module, side pieces 4 are fixedly installed on left and right outer walls of a housing 1, a sealing sleeve 8 is fixedly installed on a top end of the housing 1 in a penetrating manner, the main line 7 is installed on a middle portion of the sealing sleeve 8 in a penetrating manner, the main board 16 is fixedly installed on a rear portion of an inner side of the housing 1, a main circuit breaker 9 is fixedly installed on an upper portion of a front side of the main board 16, a voltage monitoring module 10 is fixedly installed on a bottom end of the main circuit breaker 9, the emergency protection module is fixedly installed on a bottom end of the voltage monitoring module 10, branch circuit breakers 12 horizontally arranged are fixedly installed on a lower portion of the front side of the main board 16, the branch circuit breakers 12 are fixedly connected with the emergency protection module, a power connection seat 14 is fixedly installed on a lower portion of the front side of the main board 16, and the power connection seat 14 is fixedly connected with the branch circuit breakers 12, the utility model discloses a plug-in connection device, including shell 1, bolt seat 17, plug-in connection seat 13, plug-in groove, plug-in connection seat 14, contact socket 14, compression bolt 18 and plug-in connection seat 13, shell 1 rear side inner wall fixed mounting has the bolt seat 17 that the symmetry set up, 1 bottom of shell has pressure frame 6 through bolt fixed mounting, and the inside fixed mounting that runs through of pressure frame 6 has seal cover 20, and the seal cover 20 middle part runs through the grafting and installs

branch line

5, and 5 top fixed mounting of branch line have plug 13, and the plug-in connection groove has been seted up on plug 13 top, plug 13 and the assembly of pegging graft of plug 14, the lower part runs through and installs compression bolt 18, compression bolt 18 and plug 13 and run through the assembly, 1 inboard lower part fixed mounting of shell has interior welt 21, and the inside fixed mounting of welt 21 has the insulating cover 19 with plug 13 complex, 1 front bezel 22 is passed through bolt fixed mounting in the front side of shell.

Emergent protection module includes cover 11, fuse 15, presses seat 23 and

spacing card

24, 11 upper and lower both ends inner walls of cover connect soon through the screw thread and install and press seat 23, is located upper portion press seat 23 to pass through pencil and voltage monitoring module 10 electric connection, be located the lower part press seat 23 and a circuit breaker 12 electric connection, 11 middle part inner wall fixed mounting of cover has spacing card 24, and fuse 15 is installed to spacing card 24 middle part joint, and 15 crimping of fuse is installed two press between the seat 23.

The upper part of the front plate 22 is provided with a small through hole matched with the main breaker 9, and the lower part of the front plate 22 is provided with a large through hole matched with the branch breaker 12.

The front side of the front plate 22 is rotatably provided with a first cover plate 2 and a second cover plate 3, and the front side of the front plate 22 is fixedly provided with a clamping seat matched with the first cover plate 2 and the second cover plate 3.

Mainboard 16 and main circuit breaker 9, voltage monitoring module 10, joint socket 14 and branch circuit breaker 12 be electric connection respectively, install the emergency protection module between voltage monitoring module 10 and the branch circuit breaker 12, main circuit breaker 9 and thread 7 electric connection, branch circuit breaker 12 and joint socket 14 electric connection, mainboard 16 and external control equipment electric connection.

The working principle of the utility model is as follows:

the utility model relates to a voltage protection and switching device, which is used for voltage protection and switching, when in work, current is introduced through a main line 7, the current is distributed through a voltage monitoring module 10, and further can be supplied to the outside through a branch line 5, and in order to ensure the safety of power supply, when abnormal current occurs, the abnormal current can be detected through the voltage monitoring module 10 and transmitted to external control equipment, so that real-time monitoring is convenient, and when the abnormal voltage is too large and the equipment is easy to damage, a fuse 15 can be punctured, and the fuse 15 adopts a compression joint and half-insertion embedding mode, the resistance of a contact surface is smaller, the smooth conduction of the device is ensured, false detection is avoided, meanwhile, the device is screwed and assembled, the maintenance is convenient, and the wiring at the lower part adopts insertion and matching compression joint assembly, the assembly is tight, the sealing effect is good, the mutual interference is avoided, the later period disassembly and assembly are rapid, and the failure occurs on a certain branch line 5, the branch circuit breaker 12 can be used for breaking and other branch lines are used for supplying power, so that the circuit is maintained without influencing power failure, and the use is convenient.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A voltage protection and switching device comprises an outer frame (1), branch lines (5), a main line (7), a main board (16), a front board (22) and an emergency protection module, and is characterized in that side pieces (4) are fixedly installed on the left outer wall and the right outer wall of a shell (1), a sealing sleeve (8) is fixedly installed at the top end of the shell (1) in a penetrating manner, the main line (7) is installed in the middle of the sealing sleeve (8) in a penetrating manner, the main board (16) is fixedly installed at the rear part of the inner side of the shell (1), a main circuit breaker (9) is fixedly installed at the upper part of the front side of the main board (16), a voltage monitoring module (10) is fixedly installed at the bottom end of the main circuit breaker (9), the emergency protection module is fixedly installed at the bottom end of the voltage monitoring module (10), branch circuit breakers (12) which are horizontally arranged are fixedly installed at the lower part of the front side of the main board (16), and the branch circuit breakers (12) are fixedly connected with the emergency protection module, the power connection device is characterized in that a power connection seat (14) is fixedly mounted at the lower part of the front side of the main board (16), the power connection seat (14) is fixedly connected with a branch circuit breaker (12), symmetrically arranged bolt seats (117) are fixedly mounted on the inner wall of the rear side of the shell (1), a pressing frame (6) is fixedly mounted at the bottom end of the shell (1) through bolts, a sealing sleeve (20) is fixedly mounted in the pressing frame (6) in a penetrating mode, a branch line (5) is mounted in the middle of the sealing sleeve (20) in a penetrating and inserting mode, a plug wire head (13) is fixedly mounted at the top end of the branch line (5), a plug groove is formed in the top end of the plug wire head (13), the plug wire head (13) is assembled with the power connection seat (14) in an inserting mode, a compression bolt (18) is mounted at the lower part of the power connection seat (14) in a penetrating mode, the compression bolt (18) is assembled with the plug wire head (13) in a penetrating mode, an inner lining plate (21) is fixedly mounted at the lower part of the inner side of the shell (1), an insulating sleeve (19) matched with the plug wire head (13) is fixedly mounted in a penetrating and fixedly mounted in the inner lining plate (21) in a penetrating and fixedly mounted in a penetrating mode, the front side of the shell (1) is fixedly provided with a front plate (22) through bolts.

2. The voltage protection and switching device according to claim 1, wherein the emergency protection module comprises a casing (11), a fuse (15), a pressing seat (23) and a limiting card (24), wherein the pressing seat (23) is installed on the inner walls of the upper end and the lower end of the casing (11) through screw threads in a screwed connection mode, the pressing seat (23) on the upper portion is electrically connected with the voltage monitoring module (10) through a wiring harness, the pressing seat (23) on the lower portion is electrically connected with a branch breaker (12), the limiting card (24) is fixedly installed on the inner wall of the middle portion of the casing (11), the fuse (15) is installed on the middle portion of the limiting card (24) in a clamped mode, and the fuse (15) is installed between the two pressing seats (23) in a pressed mode.

3. A voltage protection and switching device according to claim 1, wherein said front plate (22) is provided with a small through hole at the upper part for engaging with the main breaker (9), and said front plate (22) is provided with a large through hole at the lower part for engaging with the branch breaker (12).

4. The voltage protection and switching device according to claim 1, wherein the front side of the front plate (22) is rotatably mounted with a first cover plate (2) and a second cover plate (3), and the front side of the front plate (22) is fixedly mounted with a clamping seat matched with the first cover plate (2) and the second cover plate (3).

5. A voltage protection and switching device according to claim 1, wherein the main board (16) is electrically connected to the main breaker (9), the voltage monitoring module (10), the contact socket (14) and the branch breakers (12), respectively, an emergency protection module is installed between the voltage monitoring module (10) and the branch breakers (12), the main breaker (9) is electrically connected to the main line (7), the branch breakers (12) are electrically connected to the contact socket (14), and the main board (16) is electrically connected to an external control device.