MNS interference-free low voltage draw-out switchgear

Abstract

The utility model relates to a kind of MNS anti-interference low-voltage draw-out type switchgear.The technical scheme used includes: cabinet and the drawer unit being arranged in the cabinet, the drawer unit includes bottom plate and the drawer body being arranged on the bottom plate, the bottom plate front end is equipped with wiring socket by mounting plate, the drawer body front end is equipped with the wiring plug inserted with the wiring socket, the wiring socket includes socket shell and three female terminal assemblies being arranged in the socket shell and socket panel being arranged in the socket shell front end, each female terminal assembly is composed of wiring row, two clamping arm terminals being arranged on the connection shaft of the wiring row front end and clamping spring being arranged on the rear end of the clamping arm terminal.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of electrical equipment, especially relates to a MNS draw-out switchgear. BACKGROUND

[0002] MNS draw-out switchgear, also known as drawer type low-voltage switch cabinet. Its name: M represents closed switch cabinet, N represents draw-out type, S represents electrical system. The structure of MNS draw-out switchgear includes: cabinet body and drawer unit arranged in the cabinet body, the drawer unit includes bottom plate and drawer body arranged on the bottom plate. The bottom plate is fixed in the cabinet body, and the drawer body can move on the bottom plate. The wiring terminal in the traditional drawer unit is exposed, and a large electromagnetic field is generated around after power-on, which interferes with the instruments in the cabinet, and the exposed conductor is easy to cause short circuit or arc, which has a large safety hazard. SUMMARY

[0003] The utility model solves the technical problem to provide a kind of MNS anti-interference low-voltage draw-out switchgear.

[0004] To solve the above problems, the utility model adopts the technical scheme including: cabinet body and drawer unit arranged in the cabinet body, the drawer unit includes bottom plate and drawer body arranged on the bottom plate, characterized by: the bottom plate front end is equipped with wiring socket by mounting plate, the drawer body front end is equipped with the wiring plug of the wiring socket plug-in, the wiring socket includes socket shell body and three female terminal assemblies arranged in the socket shell body and socket faceplate arranged in the front end of the socket shell body, each female terminal assembly is composed of wiring row, two clamping arm terminals arranged on the front end of the wiring row and clamping spring arranged on the rear end of the clamping arm terminal;The wiring plug includes plug shell body and plug strip terminal arranged in the plug shell body.

[0005] The MNS anti-interference low-voltage draw-out switchgear is characterized by: the socket faceplate is composed of first socket faceplate and second socket faceplate, the first socket faceplate is equipped with bushing sleeved on the clamping arm terminal, the second socket faceplate is equipped with the insertion hole corresponding to the clamping arm terminal, the first socket faceplate is connected to the socket shell body, and the second socket faceplate is connected to the mounting plate.

[0006] The MNS anti-interference low-voltage draw-out switchgear is characterized by: the plug strip terminal is equipped with retreat stopper, the retreat stopper is equipped with buckle connected with the plug shell body, and the retreat stopper is loaded into the mounting groove in the front end of the plug shell body, so that the buckle is hung on the hanging table in the rear end of the plug shell body.

[0007] The MNS anti-interference low-voltage draw-out switch device is characterized in that the mounting plate is provided with a protective cover covering the wiring panel.

[0008] The MNS anti-interference low-voltage draw-out switch device is characterized in that the mounting plate is integrally formed with a hook, and the protective cover is provided at the upper end with a hook hole for hooking the hook.

[0009] The MNS anti-interference low-voltage draw-out switch device is characterized in that the socket shell is provided with a first mounting flange, the first socket panel is provided with a second mounting flange, the second socket panel is provided with a third mounting flange, and the plug shell is provided with a fourth mounting flange.

[0010] The MNS anti-interference low-voltage draw-out switch device is characterized in that the drawer body is provided at both sides with a degaussing plate.

[0011] The MNS anti-interference low-voltage draw-out switch device has the following advantages: after the wiring socket and the wiring plug are plugged together, the internal conductive terminal is completely enclosed in the shell, has a good shielding effect on the electromagnetic field, and can prevent short circuit or arc generation, and is more safe and reliable.

[0012] The utility model will be further described below in conjunction with the drawings of the specification. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 is the structure diagram of the MNS anti-interference low-voltage draw-out switch device of the utility model;

[0014] Figure 2 is the structure diagram of the drawer unit of the utility model;

[0015] Figure 3 is the sectional view of the drawer unit of the utility model;

[0016] Figure 4 is the structure diagram of the wiring socket of the utility model;

[0017] Figure 5 is the exploded view of the wiring socket of the utility model;

[0018] Figure 6 is the structure diagram of the wiring plug of the utility model;

[0019] Figure 7 is the sectional view of the wiring plug of the utility model;

[0020] Figure 8 is the exploded view of the wiring plug of the utility model;

[0021] Figure 9 is the structure diagram of the protective cover of the utility model. Detailed Implementation

[0022] Reference Figures 1-9 As shown, the MNS anti-interference low-voltage withdrawable switchgear of this utility model includes a cabinet 1 and a drawer unit 2 disposed within the cabinet 1. The drawer unit 2 includes a base plate 3 and a drawer body 4 disposed on the base plate 3. The drawer body 4 can move horizontally on the base plate 3, which is fixed within the cabinet 1. A wiring socket 6 is provided at the front end of the base plate 3 via a mounting plate 5, and a wiring plug 7 is provided at the front end of the drawer body 4 to be inserted into the wiring socket 6. When the drawer body 4 moves forward into position, the wiring plug 7 is inserted into the wiring socket 6 to achieve circuit conduction. The wiring socket 6 includes a socket housing 8, three female terminal assemblies 9 disposed within the socket housing 8, and a socket panel 10 disposed at the front end of the socket housing 8. Each female terminal assembly 9 consists of a terminal block 11, two clamping arm terminals 13 disposed on a connecting shaft 12 at the front end of the terminal block 11, and a clamping spring 14 disposed at the rear end of the clamping arm terminals 13. The wiring plug 7 includes a plug housing 15 and plug terminals 16 disposed within the plug housing 15.

[0023] Preferably, the socket panel 10 is composed of a first socket panel 101 and a second socket panel 102. The first socket panel 101 is provided with a bushing 17 that fits onto the clamping arm terminal 13, and the second socket panel 102 is provided with a socket hole 18 corresponding to the clamping arm terminal 13. The first socket panel 101 is connected to the socket housing 8, and the second socket panel 102 is connected to the mounting plate 5. This structure achieves complete enclosure of the internal conductive terminals.

[0024] Preferably, the power strip terminal 16 is provided with a retaining member 19, and the retaining member 19 is provided with a latch 20 that connects to the plug housing 15. The retaining member 19 is inserted into the mounting groove 29 at the front end of the plug housing 15, so that the latch 20 is hooked onto the hanging platform 30 at the rear end of the plug housing 15. With the above structure, the power strip terminal 16 can be installed into the plug housing 15 more quickly and securely.

[0025] Preferably, the mounting plate 5 is provided with a protective cover 21 covering the terminal block 11. The protective cover 21 serves to protect and shield the external terminals of the terminal block 11.

[0026] Preferably, the mounting plate 5 has a hook 22 integrally formed on it, and the upper end of the protective cover 21 is provided with a hanging hole 23 for engaging with the hook 22. The hanging hole 23 and the hook 22 cooperate to achieve quick installation of the protective cover 21.

[0027] Preferably, the socket shell 8 is provided with a first mounting flange 24, the first socket panel 101 is provided with a second mounting flange 25, the second socket panel 102 is provided with a third mounting flange 26, and the plug shell 15 is provided with a fourth mounting flange 27. The first socket panel 101 is connected with the first mounting flange 24 of the socket shell 8 through the second mounting flange 25, the second socket panel 102 is connected with the mounting plate 5 through the third mounting flange 26, and the plug shell 15 is connected with the drawer body 4 through the fourth mounting flange 27.

[0028] Preferably, the drawer body 4 is provided with a demagnetization plate 28 on both sides. The main function of the demagnetization plate 28 is to reduce and eliminate electromagnetic radiation on the metal surface and reduce electromagnetic interference.

[0029] As described above, the utility model is not limited in any form, although the utility model has been disclosed as above with a preferred embodiment, however, it is not intended to limit the utility model, any skilled person in the art can make some changes or modifications to the equivalent embodiments within the scope of the utility model without departing from the technical scheme of the utility model, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the scope of the utility model technical scheme.

Claims

1. A MNS anti-interference low-voltage draw-out switchgear, comprising a cabinet body (1) and a drawer unit (2) arranged in the cabinet body (1), the drawer unit (2) comprising a bottom plate (3) and a drawer body (4) arranged on the bottom plate (3), characterized in that: The bottom plate (3) is provided with a wiring socket (6) at the front end through a mounting plate (5), the drawer body (4) is provided with a wiring plug (7) plugged with the wiring socket (6) at the front end, the wiring socket (6) comprises a socket shell (8), three female terminal assemblies (9) arranged in the socket shell (8) and a socket panel (10) arranged at the front end of the socket shell (8), each female terminal assembly (9) is composed of a wiring strip (11), two clamping arm terminals (13) arranged on the connecting shaft (12) at the front end of the wiring strip (11) and a clamping spring (14) arranged at the rear end of the clamping arm terminal (13); the wiring plug (7) comprises a plug shell (15) and a plug strip terminal (16) arranged in the plug shell (15).

2. The MNS tamper-resistant low voltage draw-out switchgear according to claim 1, characterized in that: The socket panel (10) is composed of a first socket panel (101) and a second socket panel (102), the first socket panel (101) is provided with a bushing (17) sleeved on the clamping arm terminal (13), the second socket panel (102) is provided with a jack (18) corresponding to the clamping arm terminal (13), the first socket panel (101) is connected to the socket shell (8), and the second socket panel (102) is connected to the mounting plate (5).

3. The MNS tamper-resistant low voltage draw-out switchgear according to claim 1, characterized in that: The plug strip terminal (16) is provided with a retreat stop piece (19), the retreat stop piece (19) is provided with a buckle (20) connected with the plug shell (15), the retreat stop piece (19) is loaded from the mounting groove (29) at the front end of the plug shell (15), and the buckle (20) is hung on the hanging table (30) at the rear end of the plug shell (15).

4. The MNS tamper-resistant low voltage draw-out switchgear according to claim 1, characterized in that: The mounting plate (5) is provided with a protective cover (21) covering the wiring strip (11).

5. The MNS tamper-resistant low voltage draw-out switchgear according to claim 4, characterized in that: The mounting plate (5) is integrally provided with a hook (22), and the protective cover (21) is provided with a hanging hole (23) hung with the hook (22) at the upper end.

6. The MNS tamper-resistant low voltage draw-out switchgear according to claim 2, characterized in that: The socket shell (8) is provided with a first mounting flange (24), the first socket panel (101) is provided with a second mounting flange (25), the second socket panel (102) is provided with a third mounting flange (26), and the plug shell (15) is provided with a fourth mounting flange (27).

7. The MNS tamper resistant low voltage draw-out switchgear according to claim 1, characterized in that: The drawer body (4) is provided with a demagnetization plate (28) on both sides.

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