A positive operating mechanism for miniature circuit breaker

Abstract

The present application discloses a miniature circuit breaker positive installation operating mechanism, which relates to the field of explosion-proof electrical accessories, including a panel, a guide rail arranged on the panel, a circuit breaker slidably arranged on the guide rail, a current tripper arranged through the panel, and an indicator light arranged through the panel, wherein the indicator light is arranged at the end of the indicator light on the side away from the panel, and a protective mechanism is arranged on one side of the panel located on the guide rail, and the protective mechanism is used to seal and protect the circuit breaker, and heat dissipation mechanisms are arranged on both sides of the protective mechanism, and the heat dissipation mechanisms are used to cool the circuit breaker, and clamping mechanisms are arranged on both sides of the circuit breaker, and the clamping mechanisms are used to improve the stability of the wire connection. The present application arranges the guide rail directly on the panel, and then arranges the circuit breaker on the guide rail, so that the circuit breaker can be directly wired during wiring operations, thereby effectively improving the wiring efficiency of the circuit breaker.

Description

Technical Field

[0001] The present application relates to the field of explosion-proof electrical accessories, and in particular to a normal-mounted operating mechanism for a miniature circuit breaker. Background Art

[0002] Miniature circuit breakers are the most widely used terminal protection devices in building electrical terminal distribution devices. Miniature circuit breakers are composed of adjustable levers, contacts, protection devices (various trip devices), arc extinguishing systems, etc. The main contacts of the miniature circuit breaker are closed manually or electrically.

[0003] At present, an explosion-proof knob for closing a miniature circuit breaker in an explosion-proof box is disclosed. The knob is connected to a rotating shaft through a knob connector. The rotating shaft is arranged in a knob shell, and a toggle member is arranged in the explosion-proof box, so that the process of the rotating shaft driving the toggle member to rotate is in a closed space, thereby preventing dust from entering the explosion-proof box when the miniature circuit breaker is closed. At the same time, a frame and a guide rail are arranged in the explosion-proof box, the miniature circuit breaker is installed on the guide rail, and the toggle member is used to toggle the toggle rod of the miniature circuit breaker to control the opening and closing of the miniature circuit breaker.

[0004] However, in this arrangement, when wiring the circuit breaker, the circuit breaker needs to be removed from the guide rail, which makes wiring very inconvenient. Therefore, a normal-mounted operating mechanism for a miniature circuit breaker is proposed. Summary of the invention

[0005] In order to improve the problem of inconvenient circuit breaker wiring in the above-mentioned prior art, the present application provides a miniature circuit breaker upright operating mechanism.

[0006] The present application provides a miniature circuit breaker positive operating mechanism, which adopts the following technical solution:

[0007] A miniature circuit breaker normal installation operating mechanism comprises a panel, a guide rail arranged on the panel, a circuit breaker slidably arranged on the guide rail, a current release arranged through the panel and an indicator light arranged through the panel, wherein the indicator light is arranged at an indicator light end on a side away from the panel, a protective mechanism is arranged on a side of the panel located on the guide rail, the protective mechanism is used for sealing and protecting the circuit breaker, heat dissipation mechanisms are arranged on both sides of the protective mechanism, the heat dissipation mechanisms are used for cooling the circuit breaker, and clamping mechanisms are arranged on both sides of the circuit breaker, the clamping mechanisms are used for improving the stability of wire connection.

[0008] By adopting the above technical solution, the guide rail is directly arranged on the panel, and then the circuit breaker is arranged on the guide rail. During the wiring operation, the circuit breaker can be directly wired, thereby effectively improving the wiring efficiency of the circuit breaker.

[0009] Preferably, a baffle is slidably provided on the guide rail, a limiting assembly is provided on the baffle, and the limiting assembly is used to limit the circuit breaker between the baffle and the current release.

[0010] By adopting the above technical solution, the circuit breaker is effectively clamped between the baffle and the current release by using the limit assembly, thereby effectively improving the stability between the current release and the circuit breaker.

[0011] Preferably, the limiting assembly includes a sealing shell fixedly mounted on one side of the baffle, a pull rod is slidably connected to one side of the sealing shell, a hand-held block is fixedly mounted on one end of the pull rod, a mounting plate located inside the sealing shell is fixedly mounted on the other end of the pull rod, a spring is arranged between the mounting plate and the baffle, two sliding holes are relatively penetrated on the baffle, an insertion rod is slidably connected to the inside of the two sliding holes, one end of the insertion rod is fixedly connected to the mounting plate away from the guide rail, and the guide rail is provided with sockets from left to right to plug into and cooperate with the insertion rod.

[0012] By adopting the above technical solution, the hand-held block is pulled outward, and the linkage pull rod slides on the sealing shell, so that the insertion rod slides inside the sliding hole and is stretched by the spring, so that the insertion rod is retracted into the inside of the sealing shell. At this time, the baffle is slid and clamped on the guide rail, and the baffle is pushed to make the baffle contact with the circuit breaker. After contact, the hand-held block is manually released and the spring rebounds, so that the insertion rod is inserted into the inside of the socket to block the circuit breaker, thereby further improving the stability between the current release and the circuit breaker.

[0013] Preferably, the protective mechanism includes support rods fixedly mounted on the upper and lower sides of the guide rail and a rectangular plate fixedly mounted on the top of the support rods, a transparent protective shell is provided on the rectangular plate, a clamping assembly is provided between the transparent protective shell and the rectangular plate, and the clamping assembly is used to clamp the transparent protective shell to the rectangular plate.

[0014] By adopting the above technical solution, the transparent protective shell is clamped on the rectangular plate by the clamping assembly, and the circuit breaker is effectively sealed and protected by the transparent protective shell, thereby effectively improving the service life of the circuit breaker.

[0015] Preferably, the snap-on assembly comprises a rectangular snap-in plate arranged on a side of the rectangular plate close to the transparent protective shell, and a snap-in groove cooperating with the rectangular snap-in plate is arranged at the connection between the inner side of the transparent protective shell and the rectangular plate.

[0016] By adopting the above technical solution, the rectangular card plate is used to cooperate with the card slot of the transparent protective shell, so that the transparent protective shell can be easily connected to the rectangular plate, thereby effectively improving the convenience of installing the transparent protective shell.

[0017] Preferably, the heat dissipation mechanism includes a rectangular frame fixedly mounted on one side of the transparent protective shell, a ventilation hood arranged inside the rectangular frame, and a heat dissipation fan arranged inside the ventilation hood, the interior of the ventilation hood is connected with the interior of the transparent protective shell, a temperature sensor is fixedly arranged on the top wall of the transparent protective shell, and the temperature sensor and the heat dissipation fan are electrically connected through a controller.

[0018] By adopting the above technical solution, when the temperature sensor detects that the temperature inside the transparent protective shell exceeds the set standard through the heat dissipation mechanism, the information is transmitted to the controller, and the controller controls the heat dissipation fan to start. The heat dissipation fan blows the external wind into the interior of the transparent protective shell through the rectangular frame and the ventilation hood, thereby realizing heat dissipation protection for the circuit breaker and further improving the service life of the circuit breaker.

[0019] Preferably, a gauze mesh 1 is vertically fixedly arranged in the rectangular frame 1;

[0020] A rectangular frame 2 is fixedly arranged on one side of the transparent protective shell away from the rectangular frame 1, a ventilation slot is opened on the inner side of the transparent protective shell located at the rectangular frame 2, and a gauze 2 is vertically fixedly arranged inside the rectangular frame 2.

[0021] By adopting the above technical solution, the incoming air can be effectively filtered using the gauze mesh 1 and the gauze mesh 2, thereby preventing impurities in the air from passing through the transparent protective shell, effectively achieving impurity-free air blowing and cooling, and improving the safety performance of the heat dissipation mechanism.

[0022] Preferably, the clamping mechanism comprises two rectangular frames respectively fixedly mounted on the upper and lower sides of the circuit breaker, a plurality of wire clamping blocks are arranged on one side of each rectangular frame close to the panel, and a wire clamping plate cooperating with the wire clamping block is slidably arranged in the rectangular frame;

[0023] Both ends of the wire clamping plate away from the wire clamping block are provided with sliding rods, the sliding rods are slidably connected to the rectangular frame, an adjusting screw is provided between the rectangular frame and the wire clamping plate, the adjusting screw is threadedly connected to the rectangular frame, and the adjusting screw is rotationally connected to the wire clamping plate.

[0024] By adopting the above technical solution, the wires are manually clamped inside the wire clamping block, and after clamping, the adjusting screw is rotated to push the wire clamping plate forward so that the wire clamping plate contacts the wires, and then the wires are clamped and fixed, effectively preventing the wires from loosening from the circuit breaker, thereby improving the stability of the circuit breaker power-on.

[0025] Preferably, a support plate is fixedly mounted on one side of the panel, a groove is formed on the support plate, and an inner wall of the groove abuts against the bottom of the indicator light.

[0026] By adopting the above technical solution, the indicator light is supported and fixed by a support plate, which effectively prevents the indicator light from becoming loose and unstable, and further improves the stability of the device.

[0027] In summary, the present application includes at least one of the following beneficial technical effects:

[0028] 1. The present application sets the guide rail directly on the panel, and then sets the circuit breaker on the guide rail. During the wiring operation, the circuit breaker can be directly wired, thereby effectively improving the wiring efficiency of the circuit breaker.

[0029] 2. The limit assembly is used to effectively clamp the circuit breaker between the baffle and the current release, thereby effectively improving the stability between the current release and the circuit breaker.

[0030] 3. In the present application, the transparent protective shell is clamped on the rectangular plate by a clamping assembly, and the circuit breaker is effectively sealed and protected by the transparent protective shell, thereby effectively improving the service life of the circuit breaker.

[0031] 4. When the temperature sensor detects that the temperature inside the transparent protective shell exceeds the set standard, the information is transmitted to the controller. The controller controls the cooling fan to start. The cooling fan blows the external wind into the transparent protective shell through the rectangular frame and the ventilation hood, thereby realizing heat dissipation protection for the circuit breaker and further improving the service life of the circuit breaker.

[0032] 5. With the help of gauze mesh 1 and gauze mesh 2, the incoming air can be effectively filtered to prevent impurities in the air from passing through the transparent protective shell, effectively achieve impurity-free air blowing and cooling, and improve the safety performance of the heat dissipation mechanism.

[0033] 6. With the help of the clamping mechanism, manually clamp the wire inside the wire clamping block. After clamping, rotate the adjusting screw to push the wire clamping plate forward so that the wire clamping plate contacts the wire, and then clamp and fix the wire, effectively preventing the wire from loosening with the circuit breaker, thereby improving the stability of the circuit breaker power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] Figure 1 This is a schematic diagram of the overall structure of the circuit breaker forward-mounted operating mechanism of this embodiment;

[0035] Figure 2 This is a schematic diagram showing the overall structure of the upright operating mechanism of the circuit breaker from a second viewing angle in this embodiment;

[0036] Figure 3 This is a side sectional view mainly showing the structure of the limit assembly in this embodiment;

[0037] Figure 4 This is a schematic diagram of the structure of the protection mechanism mainly embodied in this embodiment;

[0038] Figure 5 This is a schematic diagram of the structure of the heat dissipation mechanism of this embodiment;

[0039] Figure 6 This is a schematic diagram of the structure of the clamping mechanism mainly embodied in this embodiment;

[0040] Figure 7 This is a schematic diagram of the installation structure of the current release mainly embodied in this embodiment.

[0041] 1. Panel; 2. Guide rail; 3. Circuit breaker; 4. Baffle; 5. Sealing shell; 6. Pull rod; 7. Hand-held block; 8. Mounting plate; 9. Slide hole; 10. Insert rod; 11. Insert hole; 12. Protective mechanism; 13. Heat dissipation mechanism; 14. Clamping mechanism; 15. Indicator light; 16. Support plate; 17. Spring; 18. Current release; 19. Lamp terminal; 121. Support rod; 122. Rectangular plate; 123. Rectangular card plate; 124. Transparent protective shell; 131. Rectangular frame one; 132. Ventilation hood; 133. Cooling fan; 134. Temperature sensor; 135. Gauze one; 136. Rectangular frame two; 137. Gauze two; 138. Ventilation slot; 141. Rectangular frame; 142. Wire clamping block; 143. Slide rod; 144. Wire clamping plate; 145. Adjusting screw. DETAILED DESCRIPTION

[0042] The present application is further described in detail below in conjunction with the accompanying drawings.

[0043] The embodiment of the present application discloses a positive-mounted operating mechanism for a miniature circuit breaker.

[0044] Reference Figures 1 to 3 A miniature circuit breaker positive operating mechanism includes a panel 1, a circuit breaker 3 is arranged on the panel 1 through a sliding structure, a protection mechanism 12 is arranged on the panel 1, the protection mechanism 12 is used to protect the circuit breaker 3, and a heat dissipation mechanism 13 is arranged on the protection mechanism 12, and the heat dissipation mechanism 13 is used to dissipate heat from the circuit breaker 3.

[0045] Reference Figure 3 and Figure 4 The sliding structure includes a guide rail 2 fixedly arranged on the panel 1, and the circuit breaker 3 is slidably arranged on the guide rail 2. A current release 18 is arranged through the panel 1, and a baffle 4 is slidably arranged on the guide rail 2. A limit assembly is arranged on the baffle 4, and the limit assembly is used to limit the circuit breaker 3 between the baffle 4 and the current release 18.

[0046] Specifically, the limiting assembly includes a sealing shell 5 welded to the side of the baffle 4 away from the guide rail 2, and a through hole is opened on the sealing shell 5, and a pull rod 6 is slidably connected to the through hole. A hand-held block 7 is welded to the end of the pull rod 6 away from the guide rail 2, and a mounting plate 8 perpendicular to the pull rod 6 is welded to the other end of the pull rod 6. The pull rod 6 is located in the middle of the mounting plate 8, and an insertion rod 10 is fixedly arranged on both sides of the mounting plate 8. A sliding hole 9 is opened on the baffle 4 at the position of the insertion rod 10, and the insertion rod 10 is inserted in the corresponding sliding hole 9. A plurality of insertion holes 11 are opened in sequence on the guide rail 2 along the sliding direction of the circuit breaker 3, and a spring 17 is arranged between the mounting plate 8 and the baffle 4.

[0047] It should be noted that a plurality of springs 17 can be arranged in an array between the mounting plate 8 and the baffle 4, which effectively improves the stability of the pull rod 6 during operation. When the position limiting assembly of this embodiment is in operation, the hand-held block 7 is pulled outward, and then the linkage pull rod 6 slides on the sealing shell 5, so that the insertion rod 10 slides inside the sliding hole 9, so that the spring 17 is stretched, and the insertion rod 10 is retracted into the inside of the sealing shell 5. At this time, the baffle 4 is slidably connected to the guide rail 2, and the baffle 4 is pushed to make the baffle 4 contact with the circuit breaker 3. After contact, the hand-held block 7 is manually released, and the spring 17 rebounds, so that the insertion rod 10 is inserted into the inside of the jack 11, which is used to block the circuit breaker 3 to complete the position limiting.

[0048] Reference Figure 2 and Figure 4 The protective mechanism 12 includes a support rod 121 welded to both sides of the guide rail 2, a rectangular plate 122 is welded to the side of the support rod 121 facing away from the panel 1, a transparent protective shell 124 is arranged on the rectangular plate 122, and a clamping assembly is arranged between the transparent protective shell 124 and the rectangular plate 122, and the clamping assembly is used to clamp the transparent protective shell 124 to the rectangular plate 122.

[0049] Specifically, the clamping assembly includes a rectangular clamping plate 123 welded to the side of the rectangular plate 122 away from the panel 1, and a clamping groove cooperating with the rectangular clamping plate 123 is provided on the side of the transparent protective shell 124 close to the rectangular plate 122. The rectangular clamping block is a conventional elastic clamping block (not shown in the figure), which realizes the disassembly and cooperation between the transparent protective shell 124 and the rectangular plate 122. The rectangular clamping plate 123 cooperates with the clamping groove of the transparent protective shell 124, so that the transparent protective shell 124 is conveniently clamped on the rectangular plate 122, and the circuit breaker 3 is sealed and protected by the transparent protective shell 124, thereby improving the service life of the circuit breaker 3.

[0050] Reference Figure 5The heat dissipation mechanism 13 includes a rectangular frame 131 welded to one side of the transparent protective shell 124, a ventilation cover 132 is welded inside the rectangular frame 131, and a heat dissipation fan is arranged inside the ventilation cover 132. It should be noted that the ventilation cover 132 is connected to the inside of the transparent protective shell 124 and the inside of the rectangular frame 131 respectively. The heat dissipation fan is controlled to start, and the heat dissipation fan blows the external wind into the inside of the transparent protective shell 124 through the rectangular frame 131 and the ventilation cover 132, thereby realizing heat dissipation protection for the circuit breaker 3.

[0051] Specifically, a temperature sensor 134 may be provided inside the transparent protective shell 124, and the temperature sensor 134 and the cooling fan may be electrically connected via a controller. The operating temperature of the circuit breaker 3 may be set according to actual working conditions, and when the temperature sensor 134 detects that the temperature inside the transparent protective shell 124 exceeds the set temperature, the cooling fan may be controlled by the controller to perform cooling operations.

[0052] It should also be noted that a through groove can be opened on the side of the rectangular frame 131 away from the transparent protective shell 124, and a gauze 135 is vertically welded in the through groove. The gauze 135 can effectively filter the incoming air, thereby preventing impurities in the air from passing through the transparent protective shell 124, and effectively achieving impurity-free air blowing and cooling.

[0053] Furthermore, a second rectangular frame 136 may be welded on the opposite side of the transparent protective shell 124 to the first rectangular frame 131, a ventilation slot 138 is provided on the inner side of the second rectangular frame 136 of the transparent protective shell 124, a through slot is provided on the side of the second rectangular frame 136 away from the transparent protective shell 124, and a second gauze 137 is vertically welded in the through slot. The second gauze 137 is used to assist the cooling fan in heat dissipation, thereby improving the ventilation efficiency of the circuit breaker 3, effectively achieving impurity-free air blowing and cooling, and improving the safety performance of the heat dissipation mechanism 13.

[0054] Reference Figure 6 The clamping mechanism 14 includes two rectangular frames 141 respectively fixedly installed on both sides of the circuit breaker 3 in the vertical direction. A plurality of wire clamping blocks 142 are arranged on one side of each rectangular frame 141 close to the panel 1. A wire clamping plate 144 cooperating with the wire clamping block 142 is slidably arranged in the rectangular frame 141.

[0055] Specifically, both ends of the wire clamping plate 144 away from the wire clamping block 142 are provided with sliding rods 143, the sliding rods 143 are slidably connected to the rectangular frame 141, and an adjusting screw 145 is provided between the rectangular frame 141 and the wire clamping plate 144, the adjusting screw 145 is threadedly connected to the rectangular frame 141, and the adjusting screw 145 is rotatably connected to the wire clamping plate 144. The wire is clamped inside the wire clamping block 142, and after clamping, the adjusting screw 145 is rotated to push the wire clamping plate 144 forward, so that the wire clamping plate 144 contacts the wire, and then the wire is clamped and fixed.

[0056] Reference Figure 7 The panel 1 is provided with a current release 18 and an indicator light 15, and the indicator light 15 is provided at the end of the indicator light 15 on the side away from the panel 1. A support plate 16 can be fixedly installed on one side of the panel 1, and a groove is provided on the support plate 16, and the inner wall of the groove abuts against the bottom of the indicator light 15. The support plate 16 is used to support and fix the indicator light 15, effectively preventing the indicator light 15 from being loose and unstable. At the same time, a screw connection can be provided between the support plate 16 and the panel 1, so as to facilitate the disassembly and replacement of the indicator light 15 at a later time.

[0057] The implementation principle of a miniature circuit breaker normal operation mechanism in the embodiment of the present application is: the guide rail 2 is directly arranged on the panel 1, and then the circuit breaker 3 is arranged on the guide rail 2, and the circuit breaker 3 can be directly connected during the wiring operation;

[0058] When the circuit breaker 3 is clamped on the guide rail 2, the hand-held block 7 is pulled outward, and the linkage pull rod 6 slides on the sealing shell 5, so that the plug rod 10 slides inside the sliding hole 9, and then the spring 17 is stretched. At this time, the baffle 4 is slidably clamped on the guide rail 2, and the baffle 4 is pushed to make the baffle 4 contact with the circuit breaker 3. After contact, the hand-held block 7 is released, and the spring 17 rebounds to make the plug rod 10 insert into the inside of the plug hole 11, thereby blocking the circuit breaker 3, so that the circuit breaker 3 is clamped between the baffle 4 and the current release 18;

[0059] The transparent protective shell 124 is clamped on the rectangular plate 122 by using the rectangular clamping plate 123 to achieve a sealed cover for the circuit breaker 3, thereby effectively protecting the circuit breaker 3;

[0060] When the temperature sensor 134 detects that the temperature inside the transparent protective shell 124 exceeds the set standard, the information is transmitted to the controller, and the controller controls the heat dissipation fan 133 to start. The heat dissipation fan 133 blows the external wind into the transparent protective shell 124 through the rectangular frame 131 and the ventilation cover 132. When the wind enters, the external wind passes through the gauze 135 to filter the impurities in the wind, preventing the impurities in the wind from entering the transparent protective shell 124. The wind blown on the circuit breaker 3 is discharged from the inside and outside of the ventilation slot 138, so that the heat dissipated is discharged to the outside, so as to achieve impurity-free blowing and cooling of the circuit breaker 3;

[0061] When wiring the circuit breaker 3, the wires are clamped inside the wire clamping block 142. After clamping, the adjusting screw 145 is rotated, thereby driving the wire clamping plate 144 to move toward the wire clamping block 142, so that the wire clamping plate 144 and the wire clamping block 142 clamp and fix the wires to prevent the wires from loosening with the circuit breaker 3, thereby improving the stability of the circuit breaker 3 being powered on.

[0062] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A miniature circuit breaker positive operating mechanism, characterized in that: The invention comprises a panel (1), a guide rail (2) arranged on the panel (1), a circuit breaker (3) slidably arranged on the guide rail (2), a current trip device (18) arranged through the panel (1), and an indicator light (15) arranged through the panel (1), wherein the indicator light (15) is arranged at an indicator light end (19) on a side facing away from the panel (1), a protection mechanism (12) is arranged on a side of the panel (1) located on the guide rail (2), the protection mechanism (12) is used for sealing and protecting the circuit breaker (3), heat dissipation mechanisms (13) are arranged on both sides of the protection mechanism (12), the heat dissipation mechanisms (13) are used for cooling the circuit breaker (3), and clamping mechanisms (14) are arranged on both sides of the circuit breaker (3), the clamping mechanisms (14) are used for improving the stability of the wire connection; A baffle (4) is slidably provided on the guide rail (2), a limit assembly is provided on the baffle (4), and the limit assembly is used to limit the circuit breaker (3) between the baffle (4) and the current release (18); The limit assembly comprises a sealing shell (5) fixedly mounted on one side of the baffle (4), a pull rod (6) being slidably connected to one side of the sealing shell (5), a hand-held block (7) being fixedly mounted on one end of the pull rod (6), a mounting plate (8) located inside the sealing shell (5) being fixedly mounted on the other end of the pull rod (6), a spring (17) being arranged between the mounting plate (8) and the baffle (4), two sliding holes (9) being relatively penetrated on the baffle (4), an insertion rod (10) being slidably connected inside the two sliding holes (9), an end of the insertion rod (10) away from the guide rail (2) being fixedly connected to the mounting plate (8), and a plurality of insertion holes (11) being arranged on the guide rail (2) for plugging and cooperating with the insertion rod (10) being plugged into and matched with the insertion rod (10).

2. A miniature circuit breaker positive operating mechanism according to claim 1, characterized in that: The protective mechanism (12) comprises support rods (121) fixedly mounted on the upper and lower sides of the guide rail (2) and a rectangular plate (122) fixedly mounted on the top of the support rods (121); a transparent protective shell (124) is arranged on the rectangular plate (122); a clamping assembly is arranged between the transparent protective shell (124) and the rectangular plate (122); the clamping assembly is used to clamp the transparent protective shell (124) to the rectangular plate (122).

3. A miniature circuit breaker positive operating mechanism according to claim 2, characterized in that: The clamping assembly comprises a rectangular clamping plate (123) arranged on a side of the rectangular plate (122) close to the transparent protective shell (124), and a clamping groove cooperating with the rectangular clamping plate (123) is arranged at the connection between the inner side of the transparent protective shell (124) and the rectangular plate (122).

4. The miniature circuit breaker positive operating mechanism according to claim 2, characterized in that: The heat dissipation mechanism (13) comprises a rectangular frame (131) fixedly mounted on one side of the transparent protective shell (124), a ventilation hood (132) arranged inside the rectangular frame (131) and communicating with the rectangular frame (131), and a heat dissipation fan (133) arranged inside the ventilation hood (132); the interior of the ventilation hood (132) is communicated with the interior of the transparent protective shell (124); a temperature sensor (134) is fixedly arranged on the top wall of the transparent protective shell (124); and the temperature sensor (134) and the heat dissipation fan (133) are electrically connected via a controller.

5. The miniature circuit breaker positive operating mechanism according to claim 4, characterized in that: A gauze mesh (135) is vertically fixedly disposed in the rectangular frame (131).

6. A miniature circuit breaker positive operating mechanism according to claim 5, characterized in that: A second rectangular frame (136) is fixedly arranged on a side of the transparent protective shell (124) away from the first rectangular frame (131); a ventilation slot (138) is provided on the inner side of the second rectangular frame (136) of the transparent protective shell (124); and a second gauze net (137) is vertically fixedly arranged inside the second rectangular frame (136).

7. The miniature circuit breaker positive operating mechanism according to claim 2, characterized in that: The clamping mechanism (14) comprises two rectangular frames (141) respectively fixedly mounted on the upper and lower sides of the circuit breaker (3); a plurality of wire clamping blocks (142) are arranged on one side of each rectangular frame (141) close to the panel (1); and a wire clamping plate (144) cooperating with the wire clamping block (142) is slidably arranged in the rectangular frame (141); Sliding rods (143) are provided at both ends of the line clamping plate (144) on a side away from the line clamping block (142); the sliding rods (143) are slidably connected to the rectangular frame (141); an adjusting screw (145) is provided between the rectangular frame (141) and the line clamping plate (144); the adjusting screw (145) is threadedly connected to the rectangular frame (141); and the adjusting screw (145) is rotatably connected to the line clamping plate (144).

8. A miniature circuit breaker positive operating mechanism according to any one of claims 1 to 7, characterized in that: A support plate (16) is fixedly mounted on one side of the panel (1), and a groove is provided on the support plate (16), wherein the inner wall of the groove abuts against the bottom of the indicator light (15).

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