CN209786609U

CN209786609U - Combined electrical apparatus with closing and locking functions

Info

Publication number: CN209786609U
Application number: CN201920642832.1U
Authority: CN
Inventors: 周文
Original assignee: Zhejiang Tuoyuan Electric Co Ltd
Current assignee: Zhejiang Tuoyuan Electric Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2019-12-13
Anticipated expiration: 2029-05-07

Abstract

A combined electrical appliance with closing and locking functions. The problem that the isolating switch can still act when the existing combined electrical appliance is switched on is solved. It includes support body and mechanism case, the support body on be equipped with isolator and circuit breaker, the circuit breaker be used for controlling circuit breaker divide-shut brake by circuit breaker action axle drive, isolator be used for controlling isolator by the drive of isolation operation axle and open or be closed, the mechanism case on be equipped with the isolator handle hole, the mechanism incasement be equipped with the interlocking movable plate, the interlocking movable plate have the primary importance that shelters from the isolator handle hole and open and expose isolator handle hole and be convenient for operate isolator's secondary position, when the circuit breaker is in the closing position the interlocking movable plate be in the primary importance. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, long service life, advantages such as security performance height.

Description

Combined electrical apparatus with closing and locking functions

Technical Field

The utility model relates to a combined electrical apparatus, concretely relates to combined electrical apparatus with combined floodgate shutting function.

Background

A composite appliance is a device which integrates two or more appliances into a whole according to wiring requirements, and the appliances still keep original performances. The structure is compact, the appearance and the installation size are small, the use is convenient, the performance of each electric appliance can be better coordinated and matched, and the electric appliances can be divided into a low-voltage combined electric appliance and a high-voltage combined electric appliance according to the voltage.

The high-voltage combined electrical apparatus is divided into an open type and a totally enclosed type according to an insulation structure. The former uses an isolating switch or a breaker as a main body and combines a current transformer, a voltage transformer, a cable head and other elements together. In the latter, the high-voltage charged parts of the components are sealed in a grounded metal shell, the shell is filled with gas, oil or solid insulating medium with good insulating property, and the components (generally comprising a circuit breaker, a disconnecting switch, a grounding switch, a voltage transformer, a current transformer, a bus, a lightning arrester, a cable terminal and the like) are sequentially connected and integrated into a whole according to the wiring requirement. The existing combined electrical apparatus has a simple structure, does not have an interlocking function, and particularly can still carry out the operation of an isolating switch when a breaker is switched on, so that greater potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model provides a problem that isolator still can act when closing a floodgate for solving current combined electrical apparatus among the background art, the utility model provides a combined electrical apparatus with combined floodgate shutting function.

The technical scheme of the utility model is that: the utility model provides a combined electrical apparatus with combined floodgate blocking function, includes support body and mechanism case, the support body on be equipped with isolator and circuit breaker, the circuit breaker be used for controlling circuit breaker divide-shut brake by circuit breaker action axle drive, isolator be used for controlling isolator by the drive of isolation operating axis and open or be closed, the mechanism case on be equipped with the isolator handle hole, the mechanism incasement be equipped with the interlocking movable plate, the interlocking movable plate have the primary importance that shelters from the isolator handle hole and open and expose isolator handle hole's second place of being convenient for operate isolator, the circuit breaker is in when closing the floodgate position the interlocking movable plate be in the primary importance.

As an improvement of the utility model, the mechanism case include the panel, the mechanism incasement be equipped with the interlocking fixed plate, the interlocking movable plate locate between panel and the interlocking fixed plate.

As a further improvement of the utility model, the isolating switch operation hole is arranged on the panel.

As the utility model discloses a further improvement, circuit breaker action axle offset through driving plate and interlocking movable plate, the driving plate have roof pressure interlocking movable plate and make the interlocking movable plate shelter from the isolator handle hole the first state and the unblock make interlocking movable plate free motion's second state, when the circuit breaker is in the closing position the driving plate be in the first state.

As a further improvement, the circuit breaker actuating shaft is connected with the main shaft through a connecting rod assembly, the main shaft on be equipped with the swinging boom, the swinging boom be connected with the driving plate.

As a further improvement, the support body on be equipped with isolation interlocking device, isolation interlocking device when having circuit breaker combined floodgate locking isolator's primary importance and circuit breaker separating brake the unblock second place that makes the isolator action.

As a further improvement of the utility model, isolation interlocking device include interlocking pin and locking wheel, interlocking pin be connected with circuit breaker action axle, the locking wheel locate to keep apart on the operation axle, the interlocking pin have when the circuit breaker closes a floodgate locking wheel make the first position of keeping apart the operation axle and the circuit breaker second position that the unblock made the isolator action when separating the brake.

As a further improvement, the circuit breaker action epaxial linkage board that is equipped with, the interlocking round pin locate on the linkage board and drive its horizontal motion by the linkage board, the relative support body of locking wheel rotate the setting, the locking take turns to and is equipped with and supplies interlocking round pin male interlocking breach.

As a further improvement of the utility model, the isolating operation shaft is provided with a connecting rod, the connecting rod is connected with the isolating switch action shaft and is used for driving the isolating switch to be opened or closed,

The beneficial effects of the utility model are that, set up the interlocking movable plate for the circuit breaker interlocking movable plate can shelter from the isolator handle hole when closing a floodgate, can not operate the isolation operation axle and make isolator separating brake, avoids circuit breaker combined floodgate state maloperation isolator to cause personnel's property damage, and the security performance is high. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, advantages such as long service life.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the hidden mechanism box 2 according to the embodiment of the present invention.

Fig. 3 is a schematic structural view in the other direction of fig. 2.

Fig. 4 is a schematic structural view of the locking wheel 52 of fig. 3.

In the figure, 1, a frame body; 2. a mechanism box; 21. an isolator operating hole; 22. interlocking the movable plate; 23. a panel; 24. an interlocking fixing plate; 3. an isolating switch; 31. isolating the operating shaft; 32. a connecting rod; 33. an isolating switch action shaft; 4. a circuit breaker; 41. a breaker actuating shaft; 42. a drive plate; 43. a connecting rod assembly; 44. a main shaft; 45. a rotating arm; 46. a linkage plate; 5. an isolation interlock mechanism; 51. an interlock pin; 52. locking wheels; 521. an interlocking notch.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

Shown by figure 1 in combination with figures 2-4, a combined electrical apparatus with combined floodgate blocking function, including support body 1 and mechanism case 2, support body 1 on be equipped with isolator 3 and circuit breaker 4, circuit breaker 4 be used for controlling the divide-shut brake of circuit breaker 4 by the drive of circuit breaker action axle, isolator 3 be used for controlling isolator 3 to open or be closed by the drive of isolation operation axle 31, mechanism case 2 on be equipped with isolator operation hole 21, mechanism case 2 in be equipped with interlocking movable plate 22, interlocking movable plate 22 have the primary importance that shelters from isolator operation hole 21 and open the secondary importance that exposes isolator operation hole 21 is convenient for operate isolator 3, circuit breaker 4 when being in the combined floodgate position interlocking movable plate 22 be in the primary importance. The beneficial effects of the utility model are that, set up the interlocking movable plate for the circuit breaker interlocking movable plate can shelter from the isolator handle hole when closing a floodgate, can not operate the isolation operation axle and make isolator separating brake, avoids circuit breaker combined floodgate state maloperation isolator to cause personnel's property damage, and the security performance is high. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, advantages such as long service life.

The mechanism box 2 comprises a panel 23, an interlocking fixing plate 24 is arranged in the mechanism box 2, and the interlocking movable plate 22 is arranged between the panel 23 and the interlocking fixing plate 24. Specifically, the disconnecting switch operation hole 21 is formed in the panel 23. The interlocking movable plate is arranged between the panel and the interlocking fixed plate, and can play a certain sliding guiding role, so that the interlocking movable plate can reliably and stably act.

The breaker actuating shaft 41 is abutted against the interlocking movable plate 22 through a transmission plate 42, the transmission plate 42 has a first state of jacking the interlocking movable plate 22 and enabling the interlocking movable plate 22 to shield the disconnecting switch operating hole 21 and a second state of unlocking and enabling the interlocking movable plate 22 to move freely, and the transmission plate 42 is in the first state when the breaker 4 is in a closing position. Specifically, the breaker actuating shaft 41 is connected with a main shaft 44 through a connecting rod assembly 43, a rotating arm 45 is arranged on the main shaft 44, and the rotating arm 45 is connected with the transmission plate 42. The interlocking movable plate can reset through the resetting piece or be driven by the transmission plate or enable the isolating switch operation hole on the panel to correspond to the isolating operation shaft through manual operation, so that the isolating switch can be operated when the breaker is switched off, the isolating switch can be opened or closed conveniently, the interlocking movable plate can be reliably driven to move through the connecting rod assembly and the transmission rod, and therefore the interlocking isolating operation shaft is arranged at the panel when the breaker is switched on, and misoperation of the isolating switch is avoided.

the isolation interlocking mechanism 5 is arranged on the frame body 1, and the isolation interlocking mechanism 5 is provided with a first position for locking the isolating switch 3 when the breaker 4 is switched on and a second position for unlocking the isolating switch 3 to act when the breaker 4 is switched off. The setting of isolation interlocking mechanism makes the circuit breaker realize interlocking on the isolation operation axle when closing a floodgate, avoids isolator maloperation to make the security performance of product high.

The isolation interlocking mechanism 5 comprises an interlocking pin 51 and a locking wheel 52, the interlocking pin 51 is connected with the breaker action shaft 41, the locking wheel 52 is arranged on the isolation operation shaft 31, and the interlocking pin 51 has a first position for locking the locking wheel 52 when the breaker 4 is switched on so as to prevent the isolation operation shaft 31 from being operated and a second position for unlocking when the breaker 4 is switched off so as to enable the isolation switch 3 to be operated. Specifically, the breaker actuating shaft 41 is provided with a linkage plate 46, the interlocking pin 51 is arranged on the linkage plate 46 and is driven by the linkage plate 46 to move horizontally, the locking wheel 52 is rotatably arranged relative to the frame body 1, and the locking wheel 52 is provided with an interlocking notch 521 for the interlocking pin 51 to be inserted into. The interlocking pin is driven by the action shaft of the circuit breaker to move, and when the circuit breaker is switched on, the interlocking pin is inserted into the interlocking notch of the locking wheel to realize the interlocking of the isolation operation shaft. The utility model discloses keep apart the maloperation through sheltering from the isolation operation axle in panel department, avoid keeping apart the operation axle rotation in locking gap is inserted through interlocking round pin axle in locking wheel department, and the security performance is better.

The isolating operation shaft 31 is provided with a connecting rod 32, and the connecting rod 32 is connected with an isolating switch action shaft 33 and used for driving the isolating switch 3 to be opened or closed. The structure ensures that the isolation operation shaft can reliably drive the action shaft of the isolation switch to act through the connecting rod, so that the isolation switch can be opened or closed quickly.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. A combined electrical apparatus with closing and locking functions comprises a frame body (1) and a mechanism box (2), the frame body (1) is provided with a disconnecting switch (3) and a circuit breaker (4), the method is characterized in that: the breaker (4) is driven by a breaker action shaft and is used for controlling the opening and closing of the breaker (4), the isolating switch (3) is driven by an isolating operation shaft (31) and is used for controlling the isolating switch (3) to be opened or closed, the mechanism box (2) is provided with an isolating switch operation hole (21), an interlocking movable plate (22) is arranged in the mechanism box (2), the interlocking plate (22) is provided with a first position for shielding the disconnecting switch operation hole (21) and a second position for opening and exposing the disconnecting switch operation hole (21) so as to be convenient for operating the disconnecting switch (3), and the interlocking plate (22) is arranged at the first position when the circuit breaker (4) is arranged at the switching-on position.

2. A combined electrical apparatus with closing and locking functions as claimed in claim 1, wherein the mechanism box (2) comprises a panel (23), an interlocking fixing plate (24) is arranged in the mechanism box (2), and the interlocking moving plate (22) is arranged between the panel (23) and the interlocking fixing plate (24).

3. The combined electrical apparatus with closing and locking functions as claimed in claim 2, wherein the isolating switch operation hole (21) is formed on the panel (23).

4. The combined electrical apparatus with a closing and locking function according to claim 1, wherein the breaker actuating shaft (41) abuts against the interlock plate (22) through a driving plate (42), the driving plate (42) has a first state of pressing the interlock plate (22) and enabling the interlock plate (22) to shield the disconnecting switch operating hole (21) and a second state of unlocking and enabling the interlock plate (22) to move freely, and the driving plate (42) is in the first state when the breaker (4) is in the closing position.

5. The combined electrical apparatus with closing and locking functions as claimed in claim 1, wherein the breaker actuating shaft (41) is connected to a main shaft (44) through a connecting rod assembly (43), the main shaft (44) is provided with a rotating arm (45), and the rotating arm (45) is connected to the transmission plate (42).

6. A combined electrical apparatus with closing and locking functions as claimed in claim 1, wherein the frame body (1) is provided with an isolation and interlocking mechanism (5), and the isolation and interlocking mechanism (5) has a first position for locking the isolating switch (3) when the circuit breaker (4) is closed and a second position for unlocking to enable the isolating switch (3) to operate when the circuit breaker (4) is opened.

7. A combined electrical apparatus with closing and locking functions as claimed in claim 6, wherein the isolation interlocking mechanism (5) comprises an interlocking pin (51) and a locking wheel (52), the interlocking pin (51) is connected with the breaker actuating shaft (41), the locking wheel (52) is arranged on the isolation operating shaft (31), and the interlocking pin (51) has a first position for locking the locking wheel (52) when the breaker (4) is closed so as to make the isolation operating shaft (31) inoperable and a second position for unlocking when the breaker (4) is opened so as to make the isolation switch (3) actuate.

8. the combined electrical apparatus with a closing and locking function according to claim 7, wherein the breaker actuating shaft (41) is provided with a linkage plate (46), the interlocking pin (51) is arranged on the linkage plate (46) and is driven by the linkage plate (46) to move horizontally, the locking wheel (52) is rotatably arranged relative to the frame body (1), and the locking wheel (52) is provided with an interlocking notch (521) for the interlocking pin (51) to insert.

9. The combined electrical appliance with a closing and locking function as claimed in claim 7, wherein the isolating operation shaft (31) is provided with a connecting rod (32), and the connecting rod (32) is connected with the isolating switch action shaft (33) and is used for driving the isolating switch (3) to open or close.