Proximity switch output type conversion device

Abstract

The utility model relates to proximity switch technical field especially is a kind of proximity switch output type conversion device, including: proximity switch, intermediate relay, aviation plug female head, first push button switch and second push button switch;The proximity switch with the intermediate relay and the aviation plug female head are electrically connected;The intermediate relay and the aviation plug female head are electrically connected;The first push button switch, the second push button switch are electrically connected with the intermediate relay and the aviation plug female head;In application, combined application demand and field proximity switch type wiring, and change output signal type by operating first push button switch and second push button switch combination or not closed, promote field quick change speed, and can adapt four proximity switches, and applicability is strong.

Description

Technical Field

[0001] This utility model relates to the field of proximity switch technology, and in particular to a proximity switch output type conversion device. Background Technology

[0002] In automatic control systems, proximity switches are commonly used signal control components. Proximity switches are commonly divided into two-wire and three-wire systems. Each type of proximity switch is further divided into normally open and normally closed types. However, field applications require either normally open or normally closed signals, which means that multiple proximity switches need to be equipped at the application site, which is not conducive to the storage and management of spare parts at the application site. Utility Model Content

[0003] To address the problems in the existing technology, this utility model provides a proximity switch output type conversion device, comprising: a proximity switch, an intermediate relay, an aviation plug female, a first push-button switch, and a second push-button switch;

[0004] The proximity switch is electrically connected to the intermediate relay and the female aviation plug.

[0005] The intermediate relay and the female aviation plug are electrically connected;

[0006] Both the first button switch and the second button switch are electrically connected to the intermediate relay and the female aviation plug.

[0007] Furthermore, the female connector of the aviation plug adopts at least a three-wire system.

[0008] Furthermore, the proximity switch is a two-wire proximity switch;

[0009] The power supply line of the proximity switch is connected to the positive power terminal of the female aviation connector. The output signal line of the proximity switch is connected to the input terminal of the intermediate relay. The output terminal of the intermediate relay is connected to the negative power terminal of the female aviation connector. The input terminal of the normally open contact of the intermediate relay is connected to the positive power terminal of the female aviation connector. The output terminal of the normally open contact of the intermediate relay is connected to the input terminal of the first push-button switch. The output terminal of the first push-button switch is connected to the output signal terminal of the female aviation connector. The input terminal of the normally closed contact of the intermediate relay is connected to the positive power terminal of the female aviation connector. The output terminal of the normally closed contact of the intermediate relay is connected to the input terminal of the second push-button switch. The output terminal of the second push-button switch is connected to the output signal terminal of the female aviation connector.

[0010] Furthermore, the proximity switch is normally open. When a normally open output is required, the first button switch is in the closed state and the second button switch is in the open state.

[0011] When a normally closed output is required, the first push-button switch is in the open state and the second push-button switch is in the closed state.

[0012] Furthermore, the proximity switch is normally closed. When a normally open output is required, the first button switch is in the open state and the second button switch is in the closed state.

[0013] When a normally closed output is required, the first push-button switch is in the closed state, and the second push-button switch is in the open state.

[0014] Furthermore, the proximity switch is a three-wire proximity switch;

[0015] The power supply line of the proximity switch is connected to the positive power terminal of the female aviation connector. The output signal line of the proximity switch is connected to the input terminal of the intermediate relay. The output terminal of the intermediate relay is connected to the negative power terminal of the female aviation connector. The input terminal of the normally open contact of the intermediate relay is connected to the positive power terminal of the female aviation connector. The output terminal of the normally open contact of the intermediate relay is connected to the input terminal of the first push-button switch. The output terminal of the first push-button switch is connected to the output signal terminal of the female aviation connector. The input terminal of the normally closed contact of the intermediate relay is connected to the positive power terminal of the female aviation connector. The output terminal of the normally closed contact of the intermediate relay is connected to the input terminal of the second push-button switch. The output terminal of the second push-button switch is connected to the output signal terminal of the female aviation connector. The negative power supply line of the proximity switch is connected to the negative power terminal of the female aviation connector.

[0016] Furthermore, the proximity switch is normally open. When a normally open output is required, the first button switch is in the closed state and the second button switch is in the open state.

[0017] When a normally closed output is required, the first push-button switch is in the open state and the second push-button switch is in the closed state.

[0018] Furthermore, the proximity switch is normally closed. When a normally open output is required, the first button switch is in the open state and the second button switch is in the closed state.

[0019] When a normally closed output is required, the first push-button switch is in the closed state, and the second push-button switch is in the open state.

[0020] Furthermore, both the first and second push-button switches are normally open push-button switches. Furthermore, the system also includes: a base housing;

[0021] The intermediate relay is fixedly installed inside the cavity of the base housing, and the proximity switch and the aviation plug female are respectively connected to the two ends of the base housing;

[0022] The first button switch and the second button switch are connected to the side wall of the base housing, and the button protrudes from the base housing;

[0023] An opening is provided on the side wall of the basic shell, and a cover plate is connected to the opening.

[0024] The beneficial effects of the technical solution provided by this utility model are as follows: This utility model is equipped with a proximity switch, an intermediate relay, an aviation plug female, a first button switch, and a second button switch. In application, it combines application requirements and the wiring of the proximity switch type in the field, and changes the output signal type by operating the first button switch and the second button switch to close or not close, thereby improving the field quick-change speed. It can also be adapted to four types of proximity switches, making it highly applicable. Compared with the prior art, it can reduce the number of proximity switches that need to be equipped in the application field, which is beneficial to the reserve and management of spare parts in the application field.

[0025] In addition, the use of aviation plugs increases the replacement speed, and the use of push-button switches makes operation simple. Attached Figure Description

[0026] Figure 1 This is a structural schematic diagram of the external structure of a proximity switch output type conversion device provided by this utility model;

[0027] Figure 2 This is a schematic diagram of the internal structure of a proximity switch output type conversion device provided by this utility model;

[0028] Figure 3 This is a wiring diagram of a two-wire proximity switch provided by this utility model;

[0029] Figure 4 This is a wiring diagram of a three-wire proximity switch provided by this utility model.

[0030] Reference numerals in the attached diagram: 1-proximity switch; 2-intermediate relay; 3-female aviation plug; 4-first push-button switch; 5-second push-button switch; 6-base housing; 7-cover plate. Detailed Implementation

[0031] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0032] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0033] It should be noted that in this embodiment, the orientation or positional relationship indicated by terms such as "bottom," "top," "left," and "right" is based on the orientation or positional relationship shown in the accompanying drawings. It is used only for the convenience of describing this application and for simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this application. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0034] It should also be noted that, in this embodiment, unless otherwise explicitly specified and limited, the terms "set" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0035] Example 1

[0036] See Figure 1 and Figure 2 A proximity switch output type conversion device includes: an external component, a control component, and a proximity switch 1; the control component includes: an intermediate relay 2, an aviation plug female 3, a first push-button switch 4, and a second push-button switch 5; the external component includes: a base housing 6 and a cover plate 7.

[0037] The base housing 6 has an opening in the middle to facilitate the installation of other components and internal wiring. The cover plate 7 is shaped to fit the opening in the middle of the base housing 6. The cover plate 7 is installed at the opening of the base housing 6 and can be glued or fixed with screws.

[0038] The front end of the base housing 6 is fixedly connected to the lead end of the proximity switch 1, the intermediate relay 2 is fixedly installed inside the cavity of the base housing 6, and the aviation plug female 3 is fixedly installed at the rear end of the base housing 6. Two button through holes are opened on the side wall of the base housing 6. The first button switch 4 and the second button switch 5 are fixedly installed in the button through holes, and their buttons protrude from the button through holes.

[0039] See Figure 3The first push-button switch 4 is symbolized as SA1, and the second push-button switch 5 is symbolized as SA2. Both the first push-button switch 4 and the second push-button switch 5 are normally open push-button switches. The coil of the intermediate relay 2 is symbolized as KA, its normally open contact is symbolized as KA1, and its normally closed contact is symbolized as KA2. The female aviation plug 3 uses at least a three-wire system. Taking the three-wire system as an example, its three terminals are X1, X2, and X3. X1 is the positive power supply, X2 is the negative power supply, and X3 is the output signal. The external cable is connected to the female aviation plug 3 using a male aviation plug. The wiring of the male aviation plug corresponds to the X1, X2, and X3 terminals, thereby achieving a quick connection.

[0040] Proximity switch 1 is a two-wire proximity switch. Its specific wiring is as follows: the power supply line of proximity switch 1 is connected to terminal X1, the output signal line of proximity switch 1 is connected to the input terminal of KA, the output terminal of KA is connected to terminal X2, the input terminal of KA1 is connected to terminal X1, the output terminal of KA1 is connected to the input terminal of SA1, the output terminal of SA1 is connected to terminal X3, the input terminal of KA2 is connected to terminal X1, the output terminal of KA2 is connected to the input terminal of SA2, and the output terminal of SA2 is connected to terminal X3.

[0041] When the proximity switch 1 is normally open and a normally open output is required, the first button switch 4 is closed and the second button switch 5 is open; when a normally closed output is required, the first button switch 4 is open and the second button switch 5 is closed.

[0042] When the proximity switch 1 is normally closed and a normally open output is required, the first button switch 4 is in the open state and the second button switch 5 is in the closed state; when a normally closed output is required, the first button switch 4 is in the closed state and the second button switch 5 is in the open state.

[0043] In applications, by combining application requirements and the wiring of the proximity switches in the field, and by changing the output signal type by operating the first button switch 4 and the second button switch 5 to close or not close, the field quick-change speed is improved.

[0044] Example 2

[0045] A proximity switch output type conversion device includes: an external component, a control component, and a proximity switch 1. The difference between Embodiment 2 and Embodiment 1 is that the proximity switch 1 is a three-wire system, while the external component, control component, and installation method are the same as in Embodiment 1.

[0046] See Figure 4The specific wiring is as follows: the power supply line of proximity switch 1 is connected to terminal X1, the output signal line of proximity switch 1 is connected to the input terminal of KA, the output terminal of KA is connected to terminal X2, the input terminal of KA1 is connected to terminal X1, the output terminal of KA1 is connected to the input terminal of SA1, the output terminal of SA1 is connected to terminal X3, the input terminal of KA2 is connected to terminal X1, the output terminal of KA2 is connected to the input terminal of SA2, the output terminal of SA2 is connected to terminal X3, and the negative power supply line of proximity switch 1 is connected to terminal X2.

[0047] When the proximity switch 1 is normally open and a normally open output is required, the first button switch 4 is closed and the second button switch 5 is open; when a normally closed output is required, the first button switch 4 is open and the second button switch 5 is closed.

[0048] When the proximity switch 1 is normally closed and a normally open output is required, the first button switch 4 is in the open state and the second button switch 5 is in the closed state; when a normally closed output is required, the first button switch 4 is in the closed state and the second button switch 5 is in the open state.

[0049] In applications, by combining application requirements and the wiring of the proximity switches in the field, and by changing the output signal type by operating the first button switch 4 and the second button switch 5 to close or not close, the field quick-change speed is improved.

[0050] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A proximity switch output type conversion device, characterized in that, include: Proximity switch (1), intermediate relay (2), aviation plug female (3), first push button switch (4), and second push button switch (5); The proximity switch (1) is electrically connected to the intermediate relay (2) and the aviation plug female (3); The intermediate relay (2) and the aviation plug female (3) are electrically connected; The first button switch (4) and the second button switch (5) are both electrically connected to the intermediate relay (2) and the aviation plug female (3).

2. The proximity switch output type conversion device according to claim 1, characterized in that, The female connector (3) of the aviation plug is at least three-wire.

3. The proximity switch output type conversion device according to claim 2, characterized in that, The proximity switch (1) is a two-wire proximity switch; The power supply line of the proximity switch (1) is connected to the positive power supply of the aviation plug female (3). The output signal line of the proximity switch (1) is connected to the input terminal of the intermediate relay (2). The output terminal of the intermediate relay (2) is connected to the negative power supply of the aviation plug female (3). The input terminal of the normally open contact of the intermediate relay (2) is connected to the positive power supply of the aviation plug female (3). The output terminal of the normally open contact of the intermediate relay (2) is connected to the input terminal of the first push button switch (4). The output terminal of the first push button switch (4) is connected to the output signal terminal of the aviation plug female (3). The input terminal of the normally closed contact of the intermediate relay (2) is connected to the positive power supply of the aviation plug female (3). The output terminal of the normally closed contact of the intermediate relay (2) is connected to the input terminal of the second push button switch (5). The output terminal of the second push button switch (5) is connected to the output signal terminal of the aviation plug female (3).

4. The proximity switch output type conversion device according to claim 3, characterized in that, The proximity switch (1) is normally open. When a normally open output is required, the first button switch (4) is closed and the second button switch (5) is open. When a normally closed output is required, the first button switch (4) is in the open state and the second button switch (5) is in the closed state.

5. The proximity switch output type conversion device according to claim 3, characterized in that, The proximity switch (1) is normally closed. When a normally open output is required, the first button switch (4) is in the open state and the second button switch (5) is in the closed state. When a normally closed output is required, the first button switch (4) is in the closed state and the second button switch (5) is in the open state.

6. The proximity switch output type conversion device according to claim 2, characterized in that, The proximity switch (1) is a three-wire proximity switch; The power supply line of the proximity switch (1) is connected to the positive power supply of the aviation plug female (3). The output signal line of the proximity switch (1) is connected to the input terminal of the intermediate relay (2). The output terminal of the intermediate relay (2) is connected to the negative power supply of the aviation plug female (3). The input terminal of the normally open contact of the intermediate relay (2) is connected to the positive power supply of the aviation plug female (3). The output terminal of the normally open contact of the intermediate relay (2) is connected to the input terminal of the first push button switch (4). The output terminal of the first push button switch (4) is connected to the output signal terminal of the aviation plug female (3). The input terminal of the normally closed contact of the intermediate relay (2) is connected to the positive power supply of the aviation plug female (3). The output terminal of the normally closed contact of the intermediate relay (2) is connected to the input terminal of the second push button switch (5). The output terminal of the second push button switch (5) is connected to the output signal terminal of the aviation plug female (3). The negative power supply line of the proximity switch (1) is connected to the negative power supply of the aviation plug female (3).

7. The proximity switch output type conversion device according to claim 6, characterized in that, The proximity switch (1) is normally open. When a normally open output is required, the first button switch (4) is closed and the second button switch (5) is open. When a normally closed output is required, the first button switch (4) is in the open state and the second button switch (5) is in the closed state.

8. The proximity switch output type conversion device according to claim 6, characterized in that, The proximity switch (1) is normally closed. When a normally open output is required, the first button switch (4) is in the open state and the second button switch (5) is in the closed state. When a normally closed output is required, the first button switch (4) is in the closed state and the second button switch (5) is in the open state.

9. The proximity switch output type conversion device according to any one of claims 1 to 8, characterized in that, The first button switch (4) and the second button switch (5) are normally open button switches.

10. The proximity switch output type conversion device according to claim 9, characterized in that, Also includes: Basic outer shell (6); The intermediate relay (2) is fixedly installed inside the cavity of the base housing (6), and the proximity switch (1) and the aviation plug female (3) are respectively connected to the two ends of the base housing (6); The first button switch (4) and the second button switch (5) are connected to the side wall of the base shell (6), and the buttons protrude from the base shell (6). An opening is provided on the side wall of the basic shell (6), and a cover plate (7) is connected to the opening.

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