Multifunctional universal circuit breaker mechanism

Abstract

A multifunctional universal circuit breaker mechanism comprises mounting plates, a power source and an energy storage assembly are arranged on the mounting plates, the energy storage assembly comprises an energy storage spring and an energy storage shaft used for driving the energy storage spring to move, the power source is connected with the energy storage shaft through a transmission shaft, a fixing plate is arranged between the mounting plates, and the fixing plate is connected with the energy storage spring through a transmission shaft. The fixed plate is provided with a sliding plate, the switching-on button and the switching-off button are fixedly arranged on the sliding plate, the fixed plate is vertically provided with a first adjusting plate, the sliding plate is provided with a second adjusting plate corresponding to the first adjusting plate, the second adjusting plate is fixedly provided with an adjusting bolt, and the adjusting bolt is fixedly connected with the sliding plate. The other end of the adjusting bolt is connected with the first adjusting plate, and the adjusting bolt is used for adjusting the opening and closing time of the circuit breaker by controlling the sliding stroke of the sliding plate on the fixed plate.

Description

Technical Field

[0001] The utility model relates to a multifunctional universal circuit breaker mechanism, belonging to the field of power components. Background Art

[0002] Circuit breakers are a common type of high-voltage switchgear in power systems, used to cut off overload current and short-circuit current. When using a circuit breaker, it is necessary to close it to energize it, thereby isolating and reclosing it. The closing mechanism of a circuit breaker is usually composed of an electromagnet, mechanical transmission, springs, etc., and can achieve the closing action of the circuit breaker under the action of external signals.

[0003] The present application is an improvement based on the Chinese utility model patent with publication number CN214012870U. The existing circuit breaker needs to change its structure when it is installed in different equipment so that it can be installed on different equipment such as chassis, switch cabinet, and handcart. These equipment are used in installation conditions of different voltages. The circuit breakers have various models and different structures, which is not conducive to improving production efficiency and installation and assembly efficiency, and it is impossible to form a unified production standard. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings and deficiencies of the prior art and to provide a multifunctional universal circuit breaker mechanism.

[0005] A multifunctional universal circuit breaker mechanism comprises a mounting plate, on which a power source and an energy storage component are arranged, the energy storage component comprises an energy storage spring and an energy storage shaft for driving the energy storage spring to move, the power source is connected to the energy storage shaft via a transmission shaft, a fixed plate is arranged between the mounting plates, a sliding plate is arranged on the fixed plate, a closing button and an opening button are fixedly arranged on the sliding plate, a first adjusting plate is vertically arranged on the fixed plate, a second adjusting plate corresponding to the first adjusting plate is arranged on the sliding plate, an adjusting bolt is fixedly arranged on the second adjusting plate, the other end of the adjusting bolt is connected to the first adjusting plate, and the adjusting bolt is used to adjust the opening and closing time of the circuit breaker by controlling the sliding stroke of the sliding plate on the fixed plate.

[0006] Through the structure of the fixed plate and the sliding plate, it can be flexibly adjusted according to different installation conditions and voltage requirements, so that the circuit breaker can be applied to a variety of different devices to achieve multi-functionality. At the same time, by adjusting the stroke of the sliding plate by adjusting the bolt, the opening and closing time of the circuit breaker can be accurately adjusted, thereby improving its use efficiency and stability. Therefore, the beneficial effects of the utility model are to improve the applicability and accuracy of the circuit breaker, improve the production efficiency and installation and assembly efficiency, and achieve a unified production standard.

[0007] Furthermore, the adjusting bolt is provided with an adjusting hole for inserting and rotating the handle, and the adjusting hole is provided on the adjusting bolt, so that the handle can be conveniently inserted for adjustment operation, which is more convenient for use and maintenance. The convenience of operation and maintenance is improved, and the user can perform adjustment operation more flexibly.

[0008] Preferably, a plurality of limiting holes are distributed at the bottom of the fixed plate, and the sliding plate is provided with fixing holes corresponding to the sliding holes. The closing button and the opening button are installed in the fixing holes by means of fixing bolts passing through the limiting holes, ensuring that the position of the buttons is fixed and stable, and the position of the buttons will not change due to accidental impact or vibration. The limiting holes are used to limit the sliding stroke of the sliding plate to avoid excessive adjustment causing the equipment to fail to work properly.

[0009] Furthermore, a locking electromagnet is provided on the closing button, and the locking electromagnet is used to engage with the closing button when the circuit breaker is not powered so that it cannot be pressed to close the circuit. The locking electromagnet is installed on the closing button, and the closing button is engaged when the circuit breaker is not powered, so as to prevent accidents caused by misoperation or accidental touch, thereby improving the safety performance of the circuit breaker, improving the safety of the circuit breaker, reducing the probability of accidental injury to personnel, and meeting the safety requirements of modern production and use.

[0010] Furthermore, a driving shaft linked to the closing button and the opening button is provided in the mounting plate, and the driving shaft extends to the outside of the mounting plate and is connected to a trigger arm. A micro switch is provided on the outer wall of the mounting plate, and the trigger arm is driven by the driving shaft to trigger the micro switch after the circuit breaker is overcurrent, undervoltage, or double opening is tripped.

[0011] Furthermore, a trigger plate for triggering a micro switch is rotatably provided on the mounting plate, and the trigger arm abuts against the outer wall of the trigger plate. The trigger arm drives the trigger plate to rotate and trigger the micro switch after the circuit breaker is overcurrent, undervoltage, or double-opening tripped, thereby realizing multiple protection mechanisms of the circuit breaker. When the circuit breaker is in abnormal conditions such as overcurrent, undervoltage, or double-opening tripping, the trigger arm is driven by the drive shaft to trigger the micro switch, and the trigger protection device serves to disconnect the power supply, thereby protecting the safety of electrical equipment and personnel.

[0012] Preferably, a counting board is provided on the outer wall of the mounting plate, and a counter for recording the number of times the circuit breaker is opened and closed is provided on the counting board, which can effectively monitor and count the use of the circuit breaker, thereby improving the use efficiency and service life of the circuit breaker. By using the counter to record the number of times the circuit breaker is opened and closed, the service life and maintenance cycle of the circuit breaker can be judged and predicted in time, and maintenance and replacement can be guided, thereby reducing losses and impacts caused by improper use or failures.

[0013] Furthermore, an interlocking rod linked to the power source is provided on the mounting plate, and the counter includes a crank arm. An extension rod is provided on the interlocking rod to abut the crank arm. The extension rod is driven by the driving source to drive the crank arm to rotate and trigger the counter. The interlocking rod is used instead of the torsion spring in the traditional way for driving, which improves the service life and reduces the use cost and maintenance cost.

[0014] Preferably, there are two energy storage assemblies, which are symmetrically arranged on both sides of the mounting plate to form a double-spring energy storage assembly. The double-spring energy storage assembly is safer in an environment where the voltage is too high, and has a better effect in adapting the equipment, thereby ensuring safe use.

[0015] The beneficial effects of the utility model are as follows: The utility model mainly improves the structure of the circuit breaker so that it can be used in a variety of equipment. The multifunctional universal circuit breaker mechanism and various designs of the utility model include but are not limited to: a separate design that can be assembled and disassembled as needed, which improves the flexibility and convenience of use. The double-row buckle design can fix the circuit breaker more firmly and avoid the risk of falling off caused by equipment vibration. Multiple protection mechanisms can cut off the power supply in time when abnormal conditions such as overcurrent, undervoltage, and double-opening tripping occur, protecting the safety of equipment and personnel. The locking electromagnet design can prevent accidents caused by misoperation or accidental touch, and improve the safety performance of the circuit breaker. Multiple linkage designs, such as the drive shaft, trigger plate, trigger arm, etc. that are linked with the closing button and the opening button, can achieve multiple protections and accurate statistics of the counter. The double-spring energy storage component design can improve the energy storage capacity and rebound force of the circuit breaker, and enhance the response speed and reliability of the circuit breaker. In summary, the beneficial effects of the present invention are to improve the versatility, safety, reliability and convenience of the circuit breaker, while reducing the cost and time of equipment maintenance and replacement, and being more adaptable to a variety of different equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, without paying creative labor, other drawings obtained based on these drawings still belong to the scope of the utility model.

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a structural schematic diagram of another perspective of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the utility model from a rear-view perspective;

[0020] Figure 4 It is a structural schematic diagram of Embodiment 2;

[0021] Figure 5 This is a structural diagram of another viewing angle of the second embodiment;

[0022] Figure 6 for Figure 5 A magnified detail of the center point A;

[0023] In the figure, 1. mounting plate; 11. power source; 12. fixing plate; 121. first adjusting plate; 122. limiting hole; 13. sliding plate; 131. closing button; 132. locking electromagnet; 133. opening button; 134. second adjusting plate; 135. adjusting bolt; 136. adjusting hole; 137. fixing hole; 14. driving shaft; 141. trigger arm; 15. micro switch; 151. trigger plate; 16. counting plate; 161. counter; 162. crank arm; 17. interlocking rod; 171. extension rod; 2. energy storage assembly; 21. energy storage spring; 22. energy storage shaft. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the utility model clearer, the utility model will be further described in detail below with reference to the accompanying drawings.

[0025] It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are for distinguishing two non-identical entities with the same name or non-identical parameters. It can be seen that "first" and "second" are only for the convenience of expression and should not be understood as limitations on the embodiments of the present invention. The subsequent embodiments will not explain this one by one.

[0026] The directions and positions mentioned in the present invention, such as "upper", "lower", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., are only for reference to the directions or positions of the drawings. Therefore, the directions and positions used are used to explain and understand the present invention, but not to limit the scope of protection of the present invention.

[0027] like Figure 1-6As shown, an embodiment of a multifunctional universal circuit breaker mechanism of the utility model comprises a mounting plate 1, on which a power source 11 and an energy storage assembly 2 are provided, the energy storage assembly 2 comprises an energy storage spring 21 and an energy storage shaft 22 for driving the energy storage spring 21 to move, the power source 11 is connected to the energy storage shaft 22 via a transmission shaft, a fixed plate 12 is provided between the mounting plates 1, a sliding plate 13 is installed on the fixed plate 12, a closing button 131 and an opening button 133 are fixedly installed on the sliding plate 13, a first adjusting plate 121 is vertically provided on the fixed plate 12, a second adjusting plate 134 corresponding to the first adjusting plate 121 is provided on the sliding plate 13, an adjusting bolt 135 is fixedly provided on the second adjusting plate 134, the other end of the adjusting bolt 135 is connected to the first adjusting plate 121, and the adjusting bolt 135 is used to adjust the opening and closing time of the circuit breaker by controlling the sliding stroke of the sliding plate 13 on the fixed plate 12.

[0028] Through the structure of the fixed plate 12 and the sliding plate 13, it is possible to flexibly adjust according to different installation conditions and voltage requirements, so that the circuit breaker can be applied to a variety of different devices, achieving multifunctionality. At the same time, by adjusting the stroke of the sliding plate 13 by adjusting the bolt 135, the opening and closing time of the circuit breaker can be accurately adjusted, thereby improving its use efficiency and stability. Therefore, the beneficial effects of the utility model are to improve the applicability and accuracy of the circuit breaker, to improve the production efficiency and installation and assembly efficiency, and to achieve a unified production standard.

[0029] The adjusting bolt 135 is provided with an adjusting hole 136 for inserting and rotating the handle. The adjusting hole 136 is provided on the adjusting bolt 135 so that the handle can be conveniently inserted for adjusting operation, which is more convenient for use and maintenance. The convenience of operation and maintenance is improved, so that the user can perform the adjustment operation more flexibly.

[0030] There are several limiting holes 122 distributed at the bottom of the fixed plate 12, and the sliding plate 13 is provided with fixing holes 137 corresponding to the sliding holes. The closing button 131 and the opening button 133 are installed in the fixing holes 137 by fixing bolts passing through the limiting holes 122, ensuring that the position of the buttons is fixed and stable, and the position of the buttons will not change due to accidental impact or vibration. The limiting holes 122 are used to limit the sliding stroke of the sliding plate 13 to avoid excessive adjustment that causes the equipment to not be used normally.

[0031] A locking electromagnet 132 is provided on the closing button 131. The locking electromagnet 132 is used to engage with the closing button 131 when the circuit breaker is not powered so that it cannot be pressed to close the circuit. The locking electromagnet 132 is installed on the closing button 131. When the circuit breaker is not powered, the closing button 131 is engaged to prevent accidents caused by misoperation or accidental touch, thereby improving the safety performance of the circuit breaker, improving the safety of the circuit breaker, reducing the probability of accidental injury to personnel, and meeting the safety requirements of modern production and use.

[0032] A driving shaft 14 linked to a closing button 131 and an opening button 133 is provided inside the mounting plate 1. The driving shaft 14 extends to the outside of the mounting plate 1 and is connected to a trigger arm 141. A micro switch 15 is provided on the outer wall of the mounting plate 1. The trigger arm 141 is driven by the driving shaft 14 to trigger the micro switch 15 after the circuit breaker is overcurrent, undervoltage, or double opening tripped.

[0033] A trigger plate 151 for triggering the micro switch 15 is rotatably provided on the mounting plate 1, and the trigger arm 141 abuts against the outer wall of the trigger plate 151. The trigger arm 141 drives the trigger plate 151 to rotate and trigger the micro switch 15 after the circuit breaker is overcurrent, undervoltage, or double-opening tripped, thereby realizing the multiple protection mechanisms of the circuit breaker. When the circuit breaker is in abnormal conditions such as overcurrent, undervoltage, or double-opening tripping, the trigger arm 141 is driven by the driving shaft 14 to trigger the micro switch 15, and the triggering protection device serves to disconnect the power supply, thereby protecting the safety of electrical equipment and personnel.

[0034] The outer wall of the mounting plate 1 is provided with a counting board 16, on which a counter 161 for recording the number of times the circuit breaker is opened and closed is provided, which can effectively monitor and count the use of the circuit breaker, thereby improving the use efficiency and service life of the circuit breaker. By using the counter 161 to record the number of times the circuit breaker is opened and closed, the service life and maintenance cycle of the circuit breaker can be timely judged and predicted, and maintenance and replacement can be guided, thereby reducing losses and impacts caused by improper use or failures.

[0035] An interlocking rod 17 linked to the power source 11 is provided on the mounting plate 1, and the counter 161 includes a crank arm 162. An extension rod 171 is provided on the interlocking rod 17 to abut against the crank arm 162. The extension rod 171 is driven by the driving source to drive the crank arm 162 to rotate and trigger the counter 161. The interlocking rod 17 replaces the torsion spring used in the traditional method for driving, thereby increasing the service life and reducing the use cost and maintenance cost.

[0036] This embodiment is different from the above embodiment in that Figure 1-6 As shown, there are two energy storage assemblies 2, which are symmetrically arranged on both sides of the mounting plate 1 to form a double-spring energy storage assembly 2. The double-spring energy storage assembly 2 is safer in an environment where the voltage is too high, and has a better effect in adapting the equipment, thereby ensuring safe use.

[0037] By improving the structure, the structure of the single spring energy storage component 2 can be adapted to the 10kV small current 630A-1250A, 800 cabinet width circuit breaker structure.

[0038] The double spring energy storage component 2 is used for 10kV large current 1600A-4000A, 1000 cabinet width circuit breaker structure, or 24kV circuit breaker configuration.

[0039] It can also be used for 35kV circuit breaker structure.

[0040] Although the present invention has been described with reference to several specific embodiments, it should be understood that the present invention is not limited to the specific embodiments disclosed. The present invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

Claims

1. A multifunctional universal circuit breaker mechanism, comprising a mounting plate, on which a power source and an energy storage assembly are arranged, wherein the energy storage assembly comprises an energy storage spring and an energy storage shaft for driving the energy storage spring to move, wherein the power source is connected to the energy storage shaft via a transmission shaft, and wherein: A fixed plate is provided between the mounting plates, a sliding plate is installed on the fixed plate, a closing button and an opening button are fixedly installed on the sliding plate, a first adjusting plate is vertically provided on the fixed plate, a second adjusting plate corresponding to the first adjusting plate is provided on the sliding plate, an adjusting bolt is fixedly provided on the second adjusting plate, the other end of the adjusting bolt is connected to the first adjusting plate, and the adjusting bolt is used to adjust the opening and closing time of the circuit breaker by controlling the sliding stroke of the sliding plate on the fixed plate.

2. The multifunctional universal circuit breaker mechanism according to claim 1, characterized in that: The adjusting bolt is provided with an adjusting hole for the handle to be inserted and rotated.

3. The multifunctional universal circuit breaker mechanism according to claim 1, characterized in that: A plurality of limiting holes are distributed on the bottom of the fixing plate, and a fixing hole corresponding to the sliding hole is provided on the sliding plate. The closing button and the opening button are installed in the fixing hole by passing the limiting holes through the fixing bolts.

4. The multifunctional universal circuit breaker mechanism according to claim 3, characterized in that: The closing button is provided with a locking electromagnet, which is used to engage with the closing button when the circuit breaker is not powered so that the closing button cannot be pressed to close the circuit.

5. The multifunctional universal circuit breaker mechanism according to claim 1, characterized in that: A driving shaft linked to a closing button and an opening button is provided inside the mounting plate. The driving shaft extends to the outside of the mounting plate and is connected to a trigger arm. A micro switch is provided on the outer wall of the mounting plate. The trigger arm is driven by the driving shaft to trigger the micro switch after the circuit breaker is overcurrent, undervoltage, or double opening is tripped.

6. The multifunctional universal circuit breaker mechanism according to claim 5, characterized in that: A trigger plate for triggering a micro switch is rotatably provided on the mounting plate, and the trigger arm abuts against an outer wall of the trigger plate. The trigger arm drives the trigger plate to rotate and trigger the micro switch after the circuit breaker is overcurrent, undervoltage, or double-opening tripped.

7. The multifunctional universal circuit breaker mechanism according to claim 1, characterized in that: A counting board is provided on the outer wall of the mounting plate, and a counter for recording the number of opening and closing times of the circuit breaker is provided on the counting board.

8. The multifunctional universal circuit breaker mechanism according to claim 7, characterized in that: An interlocking rod linked to the power source is arranged on the mounting plate, the counter comprises a crank arm, an extension rod is arranged on the interlocking rod to abut against the crank arm, and the extension rod is driven by the driving source to drive the crank arm to rotate and trigger the counter.

9. The multifunctional universal circuit breaker mechanism according to claim 1, characterized in that: There are two energy storage components, which are symmetrically arranged on both sides of the mounting plate to form a double spring energy storage component.

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