Combined silicon controlled rectifier switch

Abstract

The utility model discloses a combined silicon controlled rectifier switch, which comprises a shell and a wiring terminal, and an outer seat fixedly connected with the outer surface wall of the shell is arranged on the outer side of the wiring terminal. According to the application, after the external wire harness is connected with the wiring terminal, the lapping seat is moved to enable the insertion piece on the lapping seat to be inserted into the combination groove in the outer seat, the lapping seat and the clamping groove in the top of the outer seat are combined to form the penetrating groove fitting the outline of the wire harness, and the rubber pad is fitted to the outer side of the wire harness, so that the wire harness is prevented from being damaged by the outer seat and the lapping seat; and finally, the locking rod is rotated to enable the open end of the locking rod to abut against the outer side of the insertion piece, so that the outer seat and the lapping seat are fixed, the outer seat and the lapping seat are combined to form a closed protective cover body at the moment, external impurities are prevented from being attached to the wiring terminal, meanwhile, external impact can be prevented from acting on the wiring terminal, and the service life of the wiring terminal is prolonged. Therefore, the use stability of the combined silicon-controlled switch is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a silicon controlled switch technical field especially relates to a combined silicon controlled switch. BACKGROUND

[0002] The silicon controlled switch usually refers to the power electronic switch device using the silicon controlled rectifier as the core element, and the silicon controlled rectifier is a kind of semiconductor device with three-layer four-terminal structure, can control the conduction and cut-off of large current by small current or voltage signal, so it is widely used in power control and conversion system.

[0003] Chinese patent publication number CN219698177U, publication time 20230915, discloses a combined silicon controlled switch, including shell;The shell includes two side plates arranged in parallel;Two the side plate one end fixedly connected with a back plate;The back plate is provided with a heat dissipation air inlet;Two the side plate between fixedly connected with switch part, signal receiving control part and output terminal;The switch part, the signal receiving control part is fixedly connected at the two ends of the back plate opening opposite side respectively;The switch part is close to the back plate one end fixedly connected with the one end of heat dissipation part;The heat dissipation part one end fixedly connected with silicon controlled rectifier;The silicon controlled rectifier is opposite the signal receiving control part arrangement;The output terminal is arranged in the opening of the back plate one adjacent side.

[0004] Such as the existing silicon controlled switch above is connected with external wiring harness through terminal, in the specific implementation process, terminal is often designed in bare form, and external impurities are easily attached to the outside of terminal, there is the risk of affecting the connectivity of terminal, even still cause the damage of terminal, therefore urgently needs to propose the corresponding combined silicon controlled switch to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at: in order to solve above -mentioned problem, and a kind of combined silicon controlled switch is presented.

[0006] To achieve the above object, the utility model adopts the following technical scheme:

[0007] A combined silicon controlled switch, including shell and terminal, the terminal outside is provided with the outer seat fixedly connected with the outer surface wall of shell, the outer seat front side is overlapped with the seat, the seat is L type structure, the fixed assembly for the fixed connection of seat and outer seat is arranged between the vertical end of seat and outer seat, the top of seat and outer seat is all provided with clamping groove.

[0008] Preferably, the shell horizontal end both sides are fixedly connected with side strip, and the strip type slot is formed in the inside of two groups of side strips.

[0009] Preferably, the inner wall of two groups of clamping grooves is fixedly connected with rubber pad.

[0010] Preferably, the outer seat outer wall is fixedly connected with a connecting piece, and the connecting piece is fixedly connected with the outer seat outer wall through a fixing rod.

[0011] Preferably, the fixing assembly comprises a plug-in piece and a locking portion for position locking of the plug-in piece, the plug-in piece is fixedly connected with the plug-in piece of the vertical end outer wall of the bracket, and the plug-in piece outer wall is inserted into the inner wall of the outer seat through a combination groove.

[0012] Preferably, the locking portion comprises a locking rod, the outer wall of the locking rod is screwed with the outer wall of the outer seat, and the open end of the locking rod abuts against the outer wall of the plug-in piece.

[0013] As described above, the beneficial effects of the present application are as follows:

[0014] 1. In the present application, after the external wire harness is connected with the terminal, the bracket is moved so that the plug-in piece on the bracket is inserted into the combination groove on the outer seat, the bracket and the clamping groove on the top of the outer seat are combined to form a slot which matches the contour of the wire harness, the rubber pad is attached to the outer side of the wire harness, so as to avoid damage to the wire harness caused by the outer seat and the bracket, and ensure the air tightness between the outer seat, the bracket and the wire harness. Finally, the locking rod is rotated so that the open end thereof abuts against the outer side of the plug-in piece, thereby realizing the fixation of the outer seat and the bracket. At this time, the outer seat and the bracket are combined to form a closed protective cover, which avoids the attachment of external impurities to the terminal and also avoids the impact of external impact on the terminal, thereby improving the stability of the combined silicon controlled switch.

[0015] 2. In the present application, the two groups of external fasteners are inserted through the strip-shaped slot and connected with the corresponding bus ducts, thereby realizing the installation of the silicon controlled switch as a whole. By replacing the traditional two groups of notches with the strip-shaped slot, the silicon controlled switch can be stably installed, and the different distances between the two groups of bus ducts can be adapted, thereby improving the application range of the combined silicon controlled switch. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 An overall structure schematic view is shown according to an embodiment of the present application;

[0017] Figure 2 An outer seat structure schematic view is shown according to an embodiment of the present application;

[0018] Figure 3 A clamping groove structure schematic view is shown according to an embodiment of the present application;

[0019] Figure 4 A plug-in piece structure schematic view is shown according to an embodiment of the present application.

[0020] LEGEND:

[0021] 1, shell; 2, terminal; 3, outer seat; 4, side strip; 5, strip-shaped groove; 6, lap seat; 7, connecting piece; 8, clamping groove; 9, rubber pad; 10, locking rod; 11, fixed rod; 12, plug; 13, combination groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] A combined silicon controlled switch, including shell 1 and terminal 2, the outer side of terminal 2 is provided with the outer seat 3 of fixed connection with the outer wall of shell 1, the front side of outer seat 3 is overlapped with lap seat 6, lap seat 6 is L-shaped structure, the vertical end between lap seat 6 and outer seat 3 is provided with the fixed assembly for the fixed connection of lap seat 6 and outer seat 3, the top of lap seat 6 and outer seat 3 are all provided with clamping groove 8;

[0025] After connecting the external wiring harness with the terminal 2, move the lap seat 6 so that the plug 12 on it is inserted into the combination groove 13 on the outer seat 3, and the clamping groove 8 on the top of the lap seat 6 and the outer seat 3 is combined into a slot that fits the profile of the wiring harness. The rubber pad 9 is attached to the outside of the wiring harness to prevent damage to the wiring harness by the outer seat 3 and the lap seat 6, while ensuring the air tightness between the outer seat 3, the lap seat 6 and the wiring harness. Finally, rotate the locking rod 10 so that its open end abuts the outside of the plug 12 to fix the outer seat 3 and the lap seat 6. At this time, the outer seat 3 and the lap seat 6 are combined into a closed protective cover, preventing external impurities from adhering to the terminal 2 and also preventing external impact from acting on the terminal 2, thereby improving the stability of the combined silicon controlled switch.

[0026] Specifically, as shown in Figure 2 and Figure 4 The two sides of the horizontal end of the shell 1 are fixedly connected with the side strips 4, and the strip-shaped grooves 5 are formed in the interiors of the two groups of side strips 4. The two groups of fasteners are inserted through the strip-shaped grooves 5 and connected with the corresponding bus ducts outside, thereby achieving the installation of the silicon controlled switch as a whole. By replacing the traditional two groups of notches with the strip-shaped grooves 5, the silicon controlled switch can be stably installed, and it can also adapt to different distances between the two groups of bus ducts, thereby improving the application range of the combined silicon controlled switch.

[0027] Specifically, as shown in Figure 2 andFigure 3 As shown, the inner wall of the two groups of clamping grooves 8 is fixedly connected with rubber pads 9, so as to avoid damage to the wire harness caused by the outer seat 3 and the mounting seat 6, and ensure the air tightness between the outer seat 3, the mounting seat 6 and the wire harness. The outer wall of the outer seat 3 is fixedly connected with a connecting piece 7, and the connecting piece 7 is fixedly connected with the outer wall of the outer seat 3 through a fixing rod 11, so as to ensure the convenience of disassembly and assembly of the outer seat 3. The fixing assembly includes a plug-in piece 12 and a locking portion for locking the position of the plug-in piece 12. The plug-in piece 12 is fixedly connected with the outer wall of the vertical end of the mounting seat 6. The outer wall of the plug-in piece 12 is inserted into the inner wall of the outer seat 3 through a combination groove 13. The locking portion includes a locking rod 10, the outer wall of which is screw-connected with the outer wall of the outer seat 3, and the open end of the locking rod 10 abuts against the outer wall of the plug-in piece 12. Moving the mounting seat 6 so that the plug-in piece 12 on the mounting seat 6 is inserted into the combination groove 13 on the outer seat 3, and rotating the locking rod 10 so that the open end thereof abuts against the outside of the plug-in piece 12, thereby realizing the fixation of the outer seat 3 and the mounting seat 6.

[0028] Working principle: After connecting the external wire harness with the terminal 2, move the mounting seat 6 so that the plug-in piece 12 on the mounting seat 6 is inserted into the combination groove 13 on the outer seat 3. The clamping groove 8 on the top of the mounting seat 6 and the outer seat 3 is combined into a slot that fits the profile of the wire harness. The rubber pad 9 is attached to the outside of the wire harness, so as to avoid damage to the wire harness caused by the outer seat 3 and the mounting seat 6, and ensure the air tightness between the outer seat 3, the mounting seat 6 and the wire harness. Finally, rotate the locking rod 10 so that the open end thereof abuts against the outside of the plug-in piece 12, thereby realizing the fixation of the outer seat 3 and the mounting seat 6. At this time, the outer seat 3 and the mounting seat 6 are combined into a closed protective cover, which avoids the attachment of external impurities to the terminal 2 and also avoids the external impact on the terminal 2, thereby improving the stability of the combined silicon controlled switch. Insert the two groups of external fasteners through the strip-shaped groove 5 and connect them with the corresponding bus ducts outside, thereby realizing the installation of the whole silicon controlled switch. Replacing the traditional two groups of notches with the strip-shaped groove 5 not only enables the stable installation of the silicon controlled switch, but also adapts to different distances between the two groups of bus ducts, thereby improving the application range of the combined silicon controlled switch.

[0029] The above description of the embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A combined thyristor switch comprising a housing (1) and a terminal (2), characterized in that The wiring terminal (2) is provided with an outer seat (3) fixedly connected with the outer wall of the shell (1), the front side of the outer seat (3) is overlapped with a lap seat (6), the lap seat (6) is in L-shaped structure, a fixing assembly for fixing the lap seat (6) and the outer seat (3) is arranged between the vertical end of the lap seat (6) and the outer seat (3), and the lap seat (6) and the outer seat (3) are all provided with clamping grooves (8) on the top.

2. A combination SCR switch according to claim 1, wherein The horizontal end of the shell (1) is fixedly connected with side strips (4) on both sides, and the inside of the two groups of side strips (4) is provided with strip-shaped grooves (5).

3. A combination SCR switch according to claim 2, wherein The inner walls of the two groups of clamping grooves (8) are fixedly connected with rubber pads (9).

4. A combination SCR switch according to claim 3, wherein The outer wall of the outer seat (3) is fixedly connected with a connecting sheet (7), and the connecting sheet (7) is fixedly connected with the outer wall of the outer seat (3) through a fixing rod (11).

5. A combination SCR switch according to claim 4, wherein, The fixing assembly comprises an insertion sheet (12) and a locking part for locking the position of the insertion sheet (12), the insertion sheet (12) is fixedly connected with the outer wall of the vertical end of the lap seat (6), and the outer wall of the insertion sheet (12) is inserted into the inner wall of the outer seat (3) through a combination groove (13).

6. A combination SCR switch according to claim 5, wherein, The locking part comprises a locking rod (10), the outer wall of the locking rod (10) is screw-connected with the outer wall of the outer seat (3), and the open end of the locking rod (10) abuts against the outer wall of the insertion sheet (12).

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