Reliable circuit breaker remote control opening device

Abstract

The utility model discloses a reliable circuit breaker remote control opening device in the field of circuit breakers, which comprises a circuit breaker body, a driving mechanism and a connecting mechanism, the driving mechanism is connected to the right side of the circuit breaker body, and the right side of a switch blade of the circuit breaker body is fixedly connected with a connecting rod. According to the reliable circuit breaker remote control opening device, starting of the driving motor is remotely controlled, the worm is made to rotate, the worm gear is driven to rotate, the deflection rod is made to deflect, the connecting rod is driven to deflect in the arc-shaped groove, a switch blade of the circuit breaker body is made to deflect, and therefore the circuit breaker body is opened. Similarly, when the driving motor rotates reversely, the connecting rod drives the knife switch to be closed, so that the circuit breaker can be conveniently opened and closed through remote control, the use safety of the device is improved, manual opening and closing are avoided, the use of the circuit breaker is more reliable, and safety accidents are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breakers, in particular to a reliable circuit breaker remote control opening device. Background Art

[0002] A circuit breaker is a switching device that can close, carry and interrupt current under normal or abnormal circuit conditions. A circuit breaker is an important electrical device for the protection and operation of power systems. It can be used to distribute electrical energy, start asynchronous motors infrequently, and protect power lines and motors.

[0003] The current circuit breakers require manual operation to disconnect the circuit breakers. This operation is very unsafe and can easily cause safety accidents. Especially in an emergency, the circuit breaker cannot be disconnected quickly, which is more likely to cause safety accidents. For this reason, we propose a reliable circuit breaker remote control disconnecting device. Utility Model Content

[0004] The purpose of the utility model is to provide a reliable circuit breaker remote control opening device to solve the problem raised in the above background technology that the current circuit breaker requires manual operation to disconnect the circuit breaker, which is very unsafe to operate, especially in an emergency, the circuit breaker cannot be disconnected quickly, which is more likely to cause safety accidents.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reliable circuit breaker remote control tripping device, comprising a circuit breaker body, a driving mechanism and a connecting mechanism, wherein the driving mechanism is connected to the right side of the circuit breaker body, the driving mechanism comprises a connecting rod, a deflection rod, a worm gear, a mounting frame, a worm, a driving motor, a limit plate and an arc groove, a connecting rod is fixedly connected to the right side of the knife of the circuit breaker body, the right end of the connecting rod is connected to the deflection rod through the connecting mechanism, the right rear part of the deflection rod is fixedly connected to the worm gear, the middle part of the right rear part of the circuit breaker body is fixedly connected to the mounting frame, the top and rear parts of the inner cavity of the mounting frame are rotatably connected with the worm gear, the top rear part of the mounting frame is fixedly connected to the driving motor, the front right part of the circuit breaker body is fixedly connected to the limit plate, and the left side of the limit plate is penetrated with an arc groove.

[0006] As a further description of the above technical solution:

[0007] The connecting rod is slidably connected to the inside of the arc-shaped groove, and the right part of the outer side wall of the connecting rod is in contact with the inner side wall of the arc-shaped groove.

[0008] As a further description of the above technical solution:

[0009] The deflection rod is rotatably connected to the middle part of the right front part of the circuit breaker body, and the outer side wall of the worm wheel is meshedly connected with the worm through tooth patterns.

[0010] As a further description of the above technical solution:

[0011] The input end of the driving motor is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor is fixedly connected to the top end of the worm.

[0012] As a further description of the above technical solution:

[0013] The connecting mechanism includes a fixing hole, a connecting frame, a fixing rod, a connecting disk, a reset spring and a pull plate. The right end of the connecting rod is fixedly connected to the fixing hole, the right front part of the deflection rod is fixedly connected to the connecting frame, the right middle part of the connecting frame is slidably connected with the fixing rod, the left part of the outer wall of the fixing rod is fixedly connected to the connecting disk, the outer side of the fixing rod is sleeved with a reset spring, and the right end of the fixing rod is fixedly connected to the pull plate.

[0014] As a further description of the above technical solution:

[0015] The left and right ends of the return spring are fixedly connected to the right side of the connecting plate and the right side of the inner cavity of the connecting frame respectively, the left end of the fixing rod passes through the left front part of the deflection rod, and the fixing rod is slidably connected to the deflection rod.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The reliable circuit breaker remote control opening device, by starting the remote control driving motor, makes the worm rotate, drives the worm wheel to rotate, thereby makes the deflection rod deflect, drives the connecting rod to deflect inside the arc groove, thereby makes the knife of the circuit breaker body deflect, makes the knife open, similarly, when the driving motor is reversed, makes the connecting rod drive the knife to close, thereby facilitating the opening and closing of the circuit breaker by remote control, improving the safety of the device, avoiding manual opening and closing, making the use of the circuit breaker more reliable, and reducing the occurrence of safety accidents.

[0018] 2. This reliable circuit breaker remote control opening device drives the fixed rod to move by pulling the pull plate, so that the connecting plate moves, the reset spring is squeezed, and the fixed rod is withdrawn from the fixing hole, so as to release the fixation of the connecting rod, thereby facilitating the conversion to manual control, so that the opening mode has two modes: automatic and manual, which improves the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a reliable circuit breaker remote control opening device proposed by the utility model;

[0020] Figure 2 A schematic diagram of the driving mechanism structure of a reliable circuit breaker remote control opening device proposed by the utility model;

[0021] Figure 3 A schematic diagram of the structure of the fixing holes of a reliable circuit breaker remote control opening device proposed by the utility model;

[0022] Figure 4 The utility model provides a schematic diagram of the installation structure of a reset spring of a reliable circuit breaker remote control opening device.

[0023] In the figure: 100, circuit breaker body; 200, driving mechanism; 210, connecting rod; 220, deflection rod; 230, worm gear; 240, mounting frame; 250, worm; 260, driving motor; 270, limit plate; 280, arc groove; 300, connecting mechanism; 310, fixing hole; 320, connecting frame; 330, fixing rod; 340, connecting plate; 350, reset spring; 360, pull plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a reliable circuit breaker remote control opening device, which is convenient for opening and closing the circuit breaker by remote control, improving the safety of the device, avoiding manual opening and closing, making the use of the circuit breaker more reliable, and reducing the occurrence of safety accidents. Figure 1-4 , comprising a circuit breaker body 100, a driving mechanism 200 and a connecting mechanism 300;

[0028] Please refer again Figure 1 , the circuit breaker body 100 is used to install the driving mechanism 200 and the connecting mechanism 300;

[0029] Please refer again Figure 1 , the driving mechanism 200 is connected to the right side of the circuit breaker body 100;

[0030] Please refer again Figure 2 , the driving mechanism 200 includes a connecting rod 210, a deflection rod 220, a worm gear 230, a mounting frame 240, a worm 250, a driving motor 260, a limiting plate 270 and an arc groove 280;

[0031] Please refer again Figure 2 A connecting rod 210 is fixedly connected to the right side of the switch blade of the circuit breaker body 100, the right end of the connecting rod 210 is connected to the deflection rod 220 through a connecting mechanism 300, a worm gear 230 is fixedly connected to the right rear part of the deflection rod 220, and a mounting frame 240 is fixedly connected to the middle part of the right rear part of the circuit breaker body 100;

[0032] Please refer again Figure 2 A worm 250 is rotatably connected to the top and bottom rear parts of the inner cavity of the mounting frame 240, a driving motor 260 is fixedly connected to the top rear part of the mounting frame 240, a limiting plate 270 is fixedly connected to the front right part of the circuit breaker body 100, and an arc groove 280 is opened on the left side of the limiting plate 270.

[0033] In summary, by starting the remote control drive motor 260, the worm 250 rotates, driving the worm wheel 230 to rotate, thereby causing the deflection rod 220 to deflect, driving the connecting rod 210 to deflect inside the arc groove 280, thereby causing the knife of the circuit breaker body 100 to deflect, causing the knife to open. Similarly, when the drive motor 260 is reversed, the connecting rod 210 drives the knife to close, thereby facilitating the opening and closing of the circuit breaker by remote control, improving the safety of the device, avoiding manual opening and closing, making the use of the circuit breaker more reliable, and reducing the occurrence of safety accidents.

[0034] Please refer again Figure 2 The connecting rod 210 is slidably connected to the inside of the arc-shaped groove 280 , and the right part of the outer wall of the connecting rod 210 is in contact with the inner wall of the arc-shaped groove 280 .

[0035] Please refer again Figure 2 The deflection rod 220 is rotatably connected to the middle portion of the right front portion of the circuit breaker body 100 , and the outer wall of the worm wheel 230 is meshed with the worm 250 through the tooth pattern.

[0036] Please refer again Figure 2 The input end of the driving motor 260 is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor 260 is fixedly connected to the top end of the worm 250 .

[0037] Please refer again Figure 3-4 The connecting mechanism 300 includes a fixing hole 310, a connecting frame 320, a fixing rod 330, a connecting disk 340, a reset spring 350 and a pull plate 360. The right end of the connecting rod 210 is fixedly connected to the fixing hole 310, the right front part of the deflection rod 220 is fixedly connected to the connecting frame 320, the right middle part of the connecting frame 320 is slidably connected to the fixing rod 330, the left part of the outer wall of the fixing rod 330 is fixedly connected to the connecting disk 340, the outer side of the fixing rod 330 is sleeved with a reset spring 350, and the right end of the fixing rod 330 is fixedly connected to the pull plate 360.

[0038] Please refer again Figure 3-4 The left and right ends of the return spring 350 are fixedly connected to the right side of the connecting plate 340 and the right side of the inner cavity of the connecting frame 320 respectively. The left end of the fixed rod 330 passes through the left front part of the deflection rod 220, and the fixed rod 330 is slidably connected to the deflection rod 220.

[0039] To sum up, by pulling the pull plate 360, the fixed rod 330 is driven to move, so that the connecting plate 340 moves, the reset spring 350 is squeezed, and at the same time the fixed rod 330 is withdrawn from the fixing hole 310, and the fixation of the connecting rod 210 is released, thereby facilitating the conversion to manual control, so that there are two ways to open the gate: automatic and manual, thereby improving the applicability of the device.

[0040] During specific use, personnel in this technical field can remotely control the start of the drive motor 260 to rotate the worm 250, drive the worm wheel 230 to rotate, thereby deflecting the deflection rod 220, driving the connecting rod 210 to deflect inside the arc groove 280, thereby deflecting the knife of the circuit breaker body 100, so that the knife is disconnected. Similarly, when the drive motor 260 is reversed, the connecting rod 210 drives the knife to close. When manual control is required, the pull plate 360 ​​is pulled to drive the fixing rod 330 to move, so that the connecting plate 340 moves, the reset spring 350 is squeezed, and the fixing rod 330 is withdrawn from the fixing hole 310 at the same time, the fixing of the connecting rod 210 is released, and then the knife is pulled to disconnect the circuit breaker.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A reliable circuit breaker remote control opening device, characterized in that: The invention comprises a circuit breaker body (100), a driving mechanism (200) and a connecting mechanism (300), wherein the driving mechanism (200) is connected to the right side of the circuit breaker body (100), the driving mechanism (200) comprises a connecting rod (210), a deflection rod (220), a worm wheel (230), a mounting frame (240), a worm (250), a driving motor (260), a limiting plate (270) and an arc groove (280), the right side of the switch blade of the circuit breaker body (100) is fixedly connected with the connecting rod (210), and the right end of the connecting rod (210) is connected to the right side of the switch blade of the circuit breaker body (100) through the connecting mechanism ( A deflection rod (220) is connected to the circuit breaker body (100), a worm wheel (230) is fixedly connected to the right rear portion of the deflection rod (220), a mounting frame (240) is fixedly connected to the middle portion of the right rear portion of the circuit breaker body (100), a worm (250) is rotatably connected to the top and rear portions of the bottom of the inner cavity of the mounting frame (240), a driving motor (260) is fixedly connected to the top rear portion of the mounting frame (240), a limiting plate (270) is fixedly connected to the right front portion of the circuit breaker body (100), and an arc groove (280) is penetrated and opened on the left side of the limiting plate (270).

2. A reliable circuit breaker remote control opening device according to claim 1, characterized in that: The connecting rod (210) is slidably connected to the inside of the arc-shaped groove (280), and the right part of the outer wall of the connecting rod (210) is in contact with the inner wall of the arc-shaped groove (280).

3. A reliable circuit breaker remote control opening device according to claim 1, characterized in that: The deflection rod (220) is rotatably connected to the middle portion of the right front portion of the circuit breaker body (100), and the outer side wall of the worm wheel (230) is meshedly connected to the worm (250) via tooth patterns.

4. A reliable circuit breaker remote control opening device according to claim 1, characterized in that: The input end of the driving motor (260) is electrically connected to the output end of the external power supply, and the output shaft end of the driving motor (260) is fixedly connected to the top end of the worm (250).

5. A reliable circuit breaker remote control opening device according to claim 1, characterized in that: The connecting mechanism (300) comprises a fixing hole (310), a connecting frame (320), a fixing rod (330), a connecting disk (340), a reset spring (350) and a pulling plate (360); the right end of the connecting rod (210) is fixedly connected with the fixing hole (310); the right front part of the deflection rod (220) is fixedly connected with the connecting frame (320); the right middle part of the connecting frame (320) is slidably connected with the fixing rod (330); the left part of the outer wall of the fixing rod (330) is fixedly connected with the connecting disk (340); the outer side of the fixing rod (330) is sleeved with the reset spring (350); and the right end of the fixing rod (330) is fixedly connected with the pulling plate (360).

6. A reliable circuit breaker remote control opening device according to claim 5, characterized in that: The left and right ends of the return spring (350) are fixedly connected to the right side of the connecting plate (340) and the right side of the inner cavity of the connecting frame (320), respectively; the left end of the fixing rod (330) passes through the left front part of the deflection rod (220), and the fixing rod (330) is slidably connected to the deflection rod (220).

Images