Anti-electromagnetic interference type intelligent miniature circuit breaker device

Abstract

The utility model discloses an anti-electromagnetic interference type intelligent miniature circuit breaker device, which comprises a main shell, an intelligent miniature circuit breaker main body is arranged in the shell, a panel is clamped on the front surface of the main shell, two groups of wiring bolts are arranged on the panel, two shielding sleeves are fixedly connected to the top and the bottom of the main shell respectively, and the shielding sleeves are arranged on the front surface of the main shell. And the bottoms of the two shielding sleeves are correspondingly matched with the wiring end of the intelligent miniature circuit breaker main body. According to the utility model, the inner shielding layer in the main housing cooperates with the panel to realize electromagnetic protection shielding wrapping of the intelligent micro circuit breaker main body, so that electromagnetic interference is blocked and reduced; the wire harness is inserted into the main shell through the upper shielding sleeve and the lower shielding sleeve and is tightly connected with the wiring end of the intelligent micro breaker body through the wiring bolt in the vertical direction, shielding protection is conducted on the connecting position of the wiring harness through the shielding sleeves, and therefore the device has the more comprehensive anti-electromagnetic interference protection effect; and the working stability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the field of intelligent miniature circuit breakers, and more specifically, to an anti-electromagnetic interference type intelligent miniature circuit breaker. Background Art

[0002] An intelligent miniature circuit breaker is a switching device that can close, carry, and break the current under normal circuit conditions and can also close, carry, and break the current under abnormal circuit conditions within a specified time. An intelligent miniature circuit breaker generally consists of a contact system, an arc extinguishing system, an operating mechanism, a release, a housing, etc., and the intelligent miniature circuit breaker is gradually developing towards being more practical, smaller in size, and more intelligent.

[0003] At present, intelligent miniature circuit breaker devices are widely used in electric vehicles and achieve good protection effects for overload and leakage situations. However, the existing intelligent miniature circuit breaker devices lack anti-electromagnetic interference structures in their own structures and are prone to failures or even malfunctions in a specific electromagnetic interference environment, with insufficient stability. Summary of the Utility Model

[0004] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide an anti-electromagnetic interference type intelligent miniature circuit breaker device.

[0005] To solve the above problems, the utility model adopts the following technical solutions;

[0006] An anti-electromagnetic interference type intelligent miniature circuit breaker device, including a main housing, an intelligent miniature circuit breaker main body is installed inside the housing, a panel is snap-connected to the front of the main housing, two wiring bolts are provided on the panel, two shielding sleeves are respectively fixedly connected to the top and bottom of the main housing, the bottoms of the two shielding sleeves are correspondingly matched with the wiring terminals of the intelligent miniature circuit breaker main body, the wiring bolts are correspondingly matched with the shielding sleeves, and an inner shielding layer is arranged inside the main housing.

[0007] As a further description of the above technical solution: The shielding sleeve includes a magnetic sleeve and a rubber sleeve, the bottom of the magnetic sleeve is inserted into the inside of the main housing, the rubber sleeve is fixedly connected to the outside of the magnetic sleeve, and the bottom of the rubber sleeve is inserted into the inside of the main housing.

[0008] As a further description of the above technical solution: A rubber elastic ring is fixedly connected inside the top opening of the magnetic sleeve.

[0009] As a further description of the above technical solution: A shielding pad is fixedly connected to the back of the panel, and the back of the shielding pad is attached to the front of the inner shielding layer to form a shielding space.

[0010] As a further description of the above technical solution: Two shielding covers are hinged to the front of the panel, and the shielding covers shield the ends of the wiring bolts.

[0011] As a further description of the above technical solution: two clamping heads are fixedly connected to one end of the shielding cover plate, and the clamping heads are clamped to the panel.

[0012] Compared with the prior art, the advantages of the present utility model are as follows:

[0013] This solution uses a shielding pad in cooperation with an inner shielding layer, a shielding cover plate and a shielding sleeve, thereby realizing the advantage that the device has a more comprehensive electromagnetic interference protection effect and improving the working stability of the device. Description of the Drawings

[0014] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0015] Figure 2 is a three-dimensional open structural schematic diagram of the present utility model;

[0016] Figure 3 is a front view sectional structural schematic diagram of the present utility model;

[0017] Figure 4 is Figure 3 a schematic enlarged view of the structure of part A in

[0018] Explanation of the reference numerals in the drawings:

[0019] 1, main housing; 2, intelligent micro breaker body; 3, panel; 31, shielding pad; 32, shielding cover plate; 321, clamping head; 4, wiring bolt; 5, shielding sleeve; 51, magnetic sleeve; 511, rubber elastic ring; 52, rubber sleeve; 6, inner shielding layer. Specific Embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model;

[0021] Please refer to Figures 1 to 4 , in the present utility model, an electromagnetic interference resistant intelligent micro breaker device includes a main housing 1, an intelligent micro breaker body 2 is installed inside the main housing 1, a panel 3 is clamped to the front of the main housing 1, two groups of wiring bolts 4 are provided on the panel 3, two shielding sleeves 5 are fixedly connected to the top and bottom of the main housing 1 respectively, the bottoms of the two shielding sleeves 5 are correspondingly matched with the wiring terminals of the intelligent micro breaker body 2, the wiring bolts 4 are correspondingly matched with the shielding sleeves 5, and an inner shielding layer 6 is arranged inside the main housing 1.

[0022] In the present utility model, the electromagnetic protection and shielding of the intelligent miniature circuit breaker body 2 are realized by the inner shielding layer 6 inside the main housing 1 cooperating with the panel 3, so as to block and reduce electromagnetic interference. The wire harness is inserted into the inside of the main housing 1 through the upper and lower shielding sleeves 5 and tightened from the vertical direction by the wiring bolts 4, so that the wire harness is tightly connected to the wiring terminal of the intelligent miniature circuit breaker body 2. The shielding sleeve 5 shields and protects the connection part of the wiring harness, thereby realizing that the device has a more comprehensive anti-electromagnetic interference protection effect and improving the working stability of the device, and solving the problem that the existing intelligent micro-breaking equipment lacks an anti-electromagnetic interference structure in its own structure and is prone to failures or even inefficiencies in a specific electromagnetic interference environment, resulting in insufficient stability.

[0023] Please refer to Figure 1 and Figure 4 , wherein: the shielding sleeve 5 includes a magnetic sleeve 51 and a rubber sleeve 52. The bottom of the magnetic sleeve 51 is inserted into the inside of the main housing 1, the rubber sleeve 52 is fixedly connected to the outside of the magnetic sleeve 51, and the bottom of the rubber sleeve 52 is inserted into the inside of the main housing 1.

[0024] In the present utility model, the electromagnetic shielding protection of the wire harness segment at the connection end of the wire harness is realized by the cooperation of the magnetic sleeve 51 and the rubber sleeve 52, making the overall protection effect more comprehensive.

[0025] Please refer to Figure 4 , wherein: a rubber elastic ring 511 is fixedly connected inside the top opening of the magnetic sleeve 51.

[0026] In the present utility model, after the wire harness is inserted into the inside of the magnetic sleeve 51 through the rubber elastic ring 511, the binding effect is better, it is not easy to shake and is more stable.

[0027] Please refer to Figure 1 and Figure 2 , wherein: a shielding pad 31 is fixedly connected to the back of the panel 3, and the back of the shielding pad 31 is attached to the front of the inner shielding layer 6 to form a shielding space.

[0028] In the present utility model, a shielding space is formed by the cooperation of the shielding pad 31 and the front of the inner shielding layer 6 to realize more comprehensive protection for the internal intelligent miniature circuit breaker body 2.

[0029] Please refer to Figure 1 and Figure 2 , wherein: two shielding covers 32 are hinged to the front of the panel 3, and the shielding covers 32 shield the ends of the wiring bolts 4.

[0030] In the present utility model, the anti-electromagnetic interference protection of the ends of the wiring bolts 4 is realized by the shielding covers 32, making the overall protection effect of the device more comprehensive.

[0031] Please refer toFigure 1 With Figure 2 , wherein: two clamping heads 321 are fixedly connected to one end of the shielding cover plate 32, and the clamping heads 321 are clamped to the panel 3.

[0032] In the present utility model, the shielding cover plate 32 and the panel 3 are conveniently clamped and disassembled through the clamping heads 321, facilitating the operation of the wiring bolts 4 for wiring.

[0033] The above is only the preferred specific implementation manner of the present utility model; however, the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its improved concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. An anti-electromagnetic interference type intelligent micro-break device, comprising a main housing (1), characterized in that: An intelligent micro-breaker body (2) is installed inside the shell (1); a panel (3) is clamped on the front of the main shell (1); two groups of wiring bolts (4) are provided on the panel (3); two shielding sleeves (5) are fixedly connected to the top and bottom of the main shell (1), respectively; the bottoms of the two shielding sleeves (5) are correspondingly matched with the wiring terminals of the intelligent micro-breaker body (2); the wiring bolts (4) are correspondingly matched with the shielding sleeves (5); and an inner shielding layer (6) is provided on the inner side of the main shell (1).

2. The anti-electromagnetic interference intelligent micro-break device according to claim 1 is characterized in that: The shielding sleeve (5) comprises a magnetic sleeve (51) and a rubber sleeve (52), wherein the bottom of the magnetic sleeve (51) is plugged into the interior of the main shell (1), the rubber sleeve (52) is fixedly connected to the outside of the magnetic sleeve (51), and the bottom of the rubber sleeve (52) is plugged into the interior of the main shell (1).

3. The anti-electromagnetic interference intelligent micro-break device according to claim 2 is characterized in that: A rubber elastic ring (511) is fixedly connected to the interior of the top opening of the magnetic sleeve (51).

4. The anti-electromagnetic interference intelligent micro-break device according to claim 1 is characterized in that: A shielding pad (31) is fixedly connected to the back of the panel (3), and the back of the shielding pad (31) is bonded to the front of the inner shielding layer (6) to form a shielding space.

5. The anti-electromagnetic interference intelligent micro-break device according to claim 1 is characterized in that: Two shielding cover plates (32) are hingedly connected to the front of the panel (3), and the shielding cover plates (32) are used to seal and shield the ends of the connecting bolts (4).

6. The anti-electromagnetic interference intelligent micro-break device according to claim 5, characterized in that: One end of the shielding cover plate (32) is fixedly connected to two clamping heads (321), and the clamping heads (321) are clamped onto the panel (3).

Images