Side wire outlet structure of high-voltage direct current contactor

Abstract

The utility model discloses a side outgoing line structure of a high-voltage direct current contactor, which comprises a contactor body, the contactor body is arranged in a shell with an upward opening, the edge of the opening of the shell is concaved inwards at intervals to form a lower wire groove, and an outgoing line of the contactor body extends to the outside of the shell after passing through the lower wire groove; the end cover is assembled at the opening of the shell, the bottom surface of the end cover extends downwards along the circumferential edge to form an enclosure bulkhead, the inner side edge of the opening of the shell is concaved inwards along the circumferential direction to form an inner step, and the enclosure bulkhead of the end cover is assembled to the inner step of the shell; the edge of the surrounding wall is recessed inwards at intervals to form upper wire grooves corresponding to the lower wire grooves, and the upper wire grooves are assembled on the outgoing line from top to bottom. The leading-out wires are led out from the outer shell lower wire groove and the end cover upper wire groove, so that side wire outgoing of the direct-current contactor is achieved, the phenomenon that a leading-out wire harness and a main loop copper bar are located on the same end face, and consequently pressure loss occurs is effectively avoided, and normal use of the direct-current contactor is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to a direct current contactor technical field especially a high voltage direct current contactor's side outgoing line structure. BACKGROUND

[0002] The execution element of high voltage direct current contactor is mostly coil, so that the product needs to lead out two control lines for user to connect power to control the on-off of contactor, and some products are also provided with auxiliary contact, which also needs to lead out two signal lines to feedback the state of main contact.

[0003] In the prior art high voltage direct current contactor, the led-out wire harness is usually arranged on the end face, and the wire harness and the main circuit wiring are located on the same face, which is easy to cause the user to press the wire harness when connecting the main circuit copper bar, so as to cause the wire harness to be invalid, and lead to that the coil cannot be powered or the feedback signal is invalid. UTILITY MODEL CONTENTS

[0004] To solve the above problems, the application provides a high voltage direct current contactor side outgoing line structure with reasonable structure, so as to realize the side outgoing line of the direct current contactor, effectively avoid the pressure loss of the led-out wire harness due to being located on the same end face with the main circuit copper bar, and help to ensure the normal use of the direct current contactor.

[0005] The technical scheme adopted by the utility model is as follows:

[0006] A high voltage direct current contactor side outgoing line structure, comprising a contactor body, the contactor body is installed in a shell with an opening facing upwards, a lower wire slot is formed by recessing the edges of the opening of the shell, and the led-out wire of the contactor body extends to the outside of the shell through the lower wire slot; further comprising a end cover arranged at the opening of the shell, the bottom surface of the end cover extends downward along the circumferential edge to form a surrounding wall, the inner side edge of the opening of the shell is recessed inward along the circumference to form an inner step, and the surrounding wall of the end cover is arranged in the inner step of the shell; the edges of the surrounding wall are recessed inward to form an upper wire slot corresponding to the lower wire slot, and the upper wire slot is arranged on the led-out wire from top to bottom.

[0007] As a further improvement of the above technical scheme:

[0008] The outer wall surface of the opening of the shell is recessed inward to form a side plate with an inverted L-shaped structure, and the lower wire slot is arranged on the edges of the opening of the shell between the two side plates; the circumferential edge of the end cover is recessed inward to form a side wall with an inverted L-shaped structure, and the upper wire slot is arranged on the surrounding wall of the end cover between the two side walls; when the end cover is arranged on the shell from top to bottom, the side wall is correspondingly arranged on the side plate.

[0009] The outer edges of the two side walls are connected to form an inverted L-shaped cover, and the led-out wire extending outward from the lower wire slot and the upper wire slot is restricted by the L-shaped cover and extends downward.

[0010] The L-shaped cover shell extends at the corner to form a reinforcing rib; the vertical part of the L-shaped cover shell extends downward to form a flange protruding from the side wall, and the bottom end of the flange is flush with the bottom end of the horizontal part of the side plate after fitting.

[0011] The lateral extension of the limiting block on the outer wall surface of the shell between the two side plates forms a limiting block, and the limiting block is located outside the side wall of the end cover.

[0012] The end of the horizontal part of the side plate extends upward to form a protrusion, and the end of the vertical part of the side wall is recessed to form a notch, and the notch is fitted with the protrusion.

[0013] The lateral extension of the limiting block on the outer wall surface of the shell between the two side plates forms a limiting block, and the limiting block is located outside the side wall of the end cover.

[0014] The width of the lateral extension of the limiting block is greater than the width of the vertical part of the side plate; the lateral extension of the limiting block between the side plate and the limiting block forms a transversely arranged connecting block between the adjacent limiting blocks, and the connecting block is located below the inside of the lead-out line.

[0015] An outer step is formed between the circumferential outer wall surface of the surrounding wall and the circumferential edge of the end cover, and the outer step is fitted at the opening of the shell; the diameter of the end cover is consistent with the outer diameter of the opening of the shell.

[0016] The lead-out line is a control line and a signal line; or, the lead-out line is a control line.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model discloses a lead-out line from the shell lower wire groove, the upper wire groove of end cover is led out, realizes the side lead-out of direct current contactor, effectively avoids the lead-out line bundle and the main circuit copper row in the same end face and occurs the pressure loss failure, helps guaranteeing the normal use of direct current contactor;

[0019] The utility model also includes the following advantages:

[0020] Through the mutual fitting of the two side plates on the shell and the two side walls on the end cover, combined with the setting of the L-shaped cover shell, a reliable and stable space for the lateral lead-out of the lead-out line is surrounded, the lead-out line is limited in the left-right and front-back directions, and the lateral downward lead-out of the lead-out line is effectively ensured.

[0021] Through the setting of the limiting block on the outer wall surface of the shell, the side wall on the end cover is limited, the fitting of the end cover and the shell is effectively ensured, and the lead-out line is prevented from being damaged due to the relative rotation between the end cover and the shell. DRAWINGS

[0022] Figure 1 It is the appearance structure diagram of the utility model.

[0023] Figure 2 For Figure 1 the local enlarged view at A.

[0024] Figure 3 is the assembly diagram between the shell and the lead-out wire of the utility model.

[0025] Figure 4 For Figure 3 the local enlarged view at B.

[0026] Figure 5 is the structural schematic diagram of the wire outlet position on the side of the end cover for the lead-out wire of the utility model.

[0027] Wherein: 1, shell; 2, end cover; 3, lead-out wire;

[0028] 10, inner step; 11, side plate; 12, link block; 13, limiting block; 14, lower wire groove; 15, isolation block; 111, protrusion;

[0029] 20, surrounding wall; 21, L-shaped cover; 22, reinforcing rib; 23, side wall; 24, upper wire groove; 211, flange; 231, notch. DETAILED DESCRIPTION

[0030] The specific implementation of the utility model will be described below in combination with the drawings.

[0031] As Figure 1 and Figure 3 , Figure 4 shown, the side wire outlet structure of the high-voltage direct-current contactor of the embodiment includes a contactor body, the contactor body is installed in a shell 1 with an opening facing upward, a lower wire groove 14 is formed by recessing the edge of the opening of the shell 1, and the lead-out wire 3 of the contactor body extends to the outside of the shell 1 after passing through the lower wire groove 14; it also includes an end cover 2 assembled at the opening of the shell 1, the bottom surface of the end cover 2 extends downward along the circumferential edge to form a surrounding wall 20, the inner side edge of the opening of the shell 1 is recessed inward along the circumference to form an inner step 10, and the surrounding wall 20 of the end cover 2 is assembled to the inner step 10 of the shell 1; the edge of the surrounding wall 20 is recessed inward to form an upper wire groove 24 corresponding to the lower wire groove 14, and the upper wire groove 24 is assembled to the lead-out wire 3 from top to bottom.

[0032] In the embodiment, the lead-out wire 3 is led out from the lower wire groove 14 of the shell 1 and the upper wire groove 24 of the end cover 2, realizing the side wire outlet of the direct-current contactor and effectively avoiding the pressure loss and failure of the lead-out wire bundle due to being located on the same end face as the main circuit copper bar.

[0033] In the embodiment, the end cover 2 is assembled to the inner step 10 of the shell 1 through the surrounding wall 20, realizing the installation of the end cover 2 relative to the shell 1, which is simple, convenient and fast.

[0034] AsFigure 2 、 Figure 4 and Figure 5 As shown in the figures, the outer wall surface of the shell 1 at the opening is provided with side plates 11 extending laterally in an inverted L shape, and the lower wire grooves 14 are arranged at the edges of the shell 1 between the two side plates 11 at the opening; the circumferential edges of the end cover 2 are provided with side walls 23 extending laterally in an inverted L shape, and the upper wire grooves 24 are arranged on the surrounding wall 20 of the end cover 2 between the two side walls 23; when the end cover 2 is fitted on the shell 1 from top to bottom, the side walls 23 are correspondingly fitted on the side plates 11.

[0035] The outer edges of the two side walls 23 are connected to form an inverted L-shaped cover 21, and the lead-out wires 3 extending out of the lower wire grooves 14 and the upper wire grooves 24 are limited by the L-shaped cover 21 and extend downward.

[0036] In this embodiment, by the mutual fitting of the two side plates 11 on the shell 1 and the two side walls 23 on the end cover 2, combined with the arrangement of the L-shaped cover 21, a reliable and stable space for the lateral lead-out of the lead-out wires 3 is formed, which limits the lead-out wires 3 in the left-right and front-back directions and effectively ensures the lateral downward lead-out of the lead-out wires 3, which is stable and reliable.

[0037] The L-shaped cover 21 is provided with a reinforcing rib 22 extending at the corner, and the vertical part of the L-shaped cover 21 is provided with a flange 211 protruding from the side wall 23, and the bottom end of the flange 211 is flush with the bottom end of the horizontal part of the side plate 11 after fitting, which effectively ensures the overall consistency and aesthetics of the end cover 2 relative to the shell 1 after fitting.

[0038] The outer wall surface of the shell 1 outside the two side plates 11 is provided with a limiting block 13 extending laterally, the limiting block 13 extends upward and outward to protrude from the vertical part of the side plate 11, and the limiting block 13 is limited outside the side wall 23 of the end cover 2.

[0039] By arranging the limiting block 13 on the outer wall surface of the shell 1, the side wall 23 on the end cover 2 is limited, which effectively ensures the fitting of the end cover 2 and the shell 1 and prevents damage to the lead-out wires 3 due to relative rotation between the end cover 2 and the shell 1.

[0040] The end of the horizontal part of the side plate 11 extends upward to form a protrusion 111, and the end of the vertical part of the side wall 23 is recessed to form a notch 231, the notch 231 is fitted with the protrusion 111, which effectively ensures the reliable limitation in the radial direction after the fitting of the end cover 2 and the shell 1, and especially ensures the stability and reliability of the space for the lateral lead-out of the lead-out wires 3.

[0041] The outer wall surface of the shell 1 between the two side plates 11 is provided with a separation block 15 extending laterally, and the separation block 15 is located between adjacent lead-out wires 3.

[0042] In the embodiment, the isolation blocks 15 achieve reliable isolation between adjacent lead-out wires 3, effectively prevent mutual entanglement between the wires, make the lead-out wires 3 orderly and consistent when being led out, guarantee the lead-out quality, and ensure normal use of the lead-out wires 3.

[0043] The width dimension of the lateral extension of the isolation blocks 15 is greater than the width dimension of the vertical part of the side plate 11; the lateral extension on the outer wall surface of the shell 1 between the side plate 11 and the isolation blocks 15 and between adjacent isolation blocks 15 forms a transversely arranged connecting block 12, which is located below the inner side of the lead-out wire 3.

[0044] In the embodiment, the connecting block 12 can provide structural support for the lead-out wire 3, effectively improve the bending angle of the lead-out wire 3 when being led out laterally, and reduce or even avoid damage of the lead-out wire 3 due to too small bending angle when being led out laterally.

[0045] An outer step is formed between the circumferential outer wall surface of the surrounding wall 20 and the circumferential edge of the end cover 2, and the outer step is fitted at the opening of the shell 1; the diameter dimension of the end cover 2 is consistent with the outer diameter dimension of the opening of the shell 1, which effectively ensures the consistency of the overall shape of the DC contactor after the end cover 2 is fitted with the shell 1.

[0046] The lead-out wire 3 is a control line and a signal line; or, the lead-out wire 3 is a control line.

[0047] In the embodiment, according to actual needs, the structure of the lower wire slot 14 and the upper wire slot 24 corresponding to the lead-out wire 3 can be arranged on the shell 1 and the end cover 2 to meet the lateral lead-out use of two control lines or two control lines and two signal lines.

[0048] Of course, the side-out wire structure in the embodiment is also applicable to the lead-out use of other numbers of lead-out wires 3, and corresponding structure arrangement can be made on the shell 1 and the end cover 2.

[0049] The installation mode of the utility model is:

[0050] First, the contactor body is installed into the shell 1, then the lead-out wire 3 on the contactor body is clamped into the lower wire slot 14 of the shell 1, and then the end cover 2 is mounted on the shell 1, and the lead-out wire 3 is clamped in the upper wire slot 24 of the end cover 2.

[0051] The utility model realizes the side-out wire of the DC contactor, effectively avoids the pressure loss failure of the lead-out wire bundle due to being located on the same end face as the main circuit copper bar, and helps to ensure the normal use of the DC contactor.

[0052] In the specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments.

[0053] The above description is an explanation of the present application, not a limitation of the present application, and the scope of the present application is defined in the claims. Any modification can be made within the scope of the present application.

Claims

1. A side outlet structure of a high voltage direct current contactor comprising a contactor body, characterized in that: The contactor body is installed in the shell (1) with the opening facing upward, the edge of the opening of the shell (1) is spaced and recessed to form a lower wire slot (14), the outgoing line (3) of the contactor body extends to the outside of the shell (1) through the lower wire slot (14); and the end cover (2) is fitted at the opening of the shell (1), the bottom surface of the end cover (2) extends downward along the circumferential edge to form a surrounding wall (20), the inner side edge of the opening of the shell (1) is recessed circumferentially to form an inner step (10), and the surrounding wall (20) of the end cover (2) is fitted to the inner step (10) of the shell (1); the edge of the surrounding wall (20) is spaced and recessed to form an upper wire slot (24) corresponding to the lower wire slot (14), and the upper wire slot (24) is fitted to the outgoing line (3) from top to bottom.

2. The side outlet structure of a high-voltage DC contactor according to claim 1, wherein: The outer wall surface of the opening of the shell (1) is spaced and laterally extended to form a side plate (11) with an inverted L-shaped structure, and the lower wire slot (14) is arranged on the edge of the opening of the shell (1) between the two side plates (11); the circumferential edge of the end cover (2) is laterally and spaced extended to form a side wall (23) with an inverted L-shaped structure, and the upper wire slot (24) is arranged on the surrounding wall (20) of the end cover (2) between the two side walls (23); when the end cover (2) is fitted on the shell (1) from top to bottom, the side wall (23) is correspondingly fitted on the side plate (11).

3. The side outlet structure of a high-voltage DC contactor according to claim 2, wherein: The outer edges of the two side walls (23) are connected to form an inverted L-shaped cover shell (21), and the outgoing line (3) extending out of the lower wire slot (14) and the upper wire slot (24) is limited by the L-shaped cover shell (21) and extends downward.

4. The side outlet structure of a high-voltage DC contactor according to claim 3, wherein: The L-shaped cover shell (21) extends to form a reinforcing rib (22) at the corner; the vertical part of the L-shaped cover shell (21) extends downward to form a flange (211) protruding from the side wall (23), and the bottom end of the flange (211) is flush with the bottom end of the horizontal part of the two side plates (11) after fitting.

5. The side outlet structure of a high-voltage DC contactor according to claim 2, wherein: The outer wall surface of the shell (1) outside the two side plates (11) is laterally extended to form a limiting block (13), the limiting block (13) extends upward and outward to protrude from the vertical part of the side plate (11), and the limiting block (13) is limited outside the two side walls (23) of the end cover (2).

6. A side outlet structure of a high-voltage DC contactor according to claim 2, characterized in that: The end of the horizontal part of the side plate (11) extends upward to form a protrusion (111), and the end of the vertical part of the side wall (23) is recessed to form a notch (231), and the notch (231) is fitted with the protrusion (111).

7. The side outlet structure of a high-voltage DC contactor according to claim 2, wherein: The outer wall surface of the shell (1) between the two side plates (11) is laterally extended to form an isolation block (15), and the isolation block (15) is located between adjacent outgoing lines (3).

8. A side outlet structure of a high-voltage DC contactor according to claim 7, characterized in that: The width dimension of the laterally extended isolation block (15) is greater than the width dimension of the vertical part of the side plate (11); the outer wall surface of the shell (1) between the side plate (11) and the isolation block (15) and between adjacent isolation blocks (15) is laterally extended to form a transversely arranged connecting block (12), and the connecting block (12) is located below the inner side of the outgoing line (3).

9. The side outlet structure of a high-voltage DC contactor according to claim 1, wherein: An outer step is formed between the circumferential outer wall surface of the surrounding wall (20) and the circumferential edge of the end cover (2), and the outer step is fitted at the opening of the shell (1); the diameter of the end cover (2) is consistent with the outer diameter of the opening of the shell (1).

10. The side outlet structure of a high-voltage DC contactor according to claim 1, wherein: The lead-out line (3) is a control line and a signal line; or the lead-out line (3) is a control line.

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