CN209858700U

CN209858700U - Multifunctional test button unit of switch device, test module and switch device

Info

Publication number: CN209858700U
Application number: CN201821957603.0U
Authority: CN
Inventors: 胡长春; 陈昌足
Original assignee: Siemens AG
Current assignee: Siemens AG
Priority date: 2018-11-23
Filing date: 2018-11-23
Publication date: 2019-12-27
Anticipated expiration: 2028-11-23

Abstract

The utility model discloses a switching device's multi-functional test button unit, it includes a mounting line board, a top light-emitting formula LED light source, one dabs switch and a leaded light button. The installation circuit board is arranged in the shell. The top light-emitting LED and the tact switch are arranged on the mounting circuit board. The light guide button penetrates through the operation hole and can move relative to the shell of the switch device along the extending direction. The light guide button is provided with a light incident plane and a light reflecting inclined plane. The light incident plane is parallel to the mounting circuit board and can guide light emitted by the LED into the light guide button. The light-reflecting inclined plane can reflect light guided into the light-guiding button through the light-incident plane to one end of the light-guiding button exposed out of the shell through the operation hole in the light-guiding button and then penetrates out of the light-guiding button. The utility model provides a multi-functional test button unit manufacturing cost is lower, and has higher light efficiency and stability. The utility model also provides a test module and switching device including this multi-functional test button unit.

Description

Multifunctional test button unit of switch device, test module and switch device

Technical Field

The utility model relates to a multi-functional test button unit, especially a multi-functional test button unit for switching device. The utility model discloses still relate to test module and switching device including this multi-functional test button unit.

Background

The switching device typically incorporates a test module within the housing, the test module including a button and a circuit board. In order to maintain a compact structural layout, the buttons need to be disposed on the side surface of the housing, i.e., in the extending direction of the circuit board. The circuit board is provided with an LED light source and a touch switch. When the test device is used, the touch switch can be triggered by pressing the button, so that the test function of the circuit board is controlled to be started. Meanwhile, the press button can also be used as a light guide part to guide light emitted by the LED light source out of the shell so as to realize a state indication function. In the existing switch device, a side-emitting type LED light source is generally selected to irradiate one end of a button along the moving direction of the button, and then light emitted by the LED light source is LED out of a shell through the button. The cost is higher due to the selection of the side-lighting type LED light source, and the light inlet end of the light guide button can move relative to the LED light source when the light guide button moves, so that the light guide efficiency is low and the stability is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a switching device's multi-functional test button unit, its manufacturing cost is lower, and has higher light efficiency and better stability.

Another object of the present invention is to provide a testing module of a switch device, which has a lower manufacturing cost of the multifunctional testing button unit, and has higher light-guiding efficiency and better stability.

It is a further object of the present invention to provide a switching device, which has a lower manufacturing cost of the test module, and has a higher light-guiding efficiency and a better stability.

The utility model provides a switching device's multi-functional test button unit, switching device include a casing, are formed with an handle hole on the casing. The multifunctional test button unit comprises a mounting circuit board, a top light-emitting type LED light source, a light touch switch and a light guide button. The mounting circuit board can set up in the casing, and the handle hole is located the one side of mounting circuit board along one extending direction of mounting circuit board. The top light-emitting type LED light source is arranged on the installation circuit board and is electrically connected with the installation circuit board, and the top light-emitting type LED light source can emit light in the direction perpendicular to the installation circuit board. The tact switch is arranged on the installation circuit board and electrically connected with the installation circuit board, and the tact switch is arranged along the extending direction. The light guide button can penetrate through the operation hole and can move relative to the shell and press the tact switch. The light guide button is provided with a light incident plane and a light reflecting inclined plane. The light incident plane is parallel to the installation circuit board, and the light incident plane can face the top light emitting type LED light source all the time in the movement process of the light guide button relative to the shell, and can guide light emitted by the LED into the light guide button. The light-reflecting inclined plane can reflect light guided into the light-guiding button through the light-incident plane to one end of the light-guiding button exposed out of the shell through the operation hole in the light-guiding button and then penetrates out of the light-guiding button.

The multifunctional test button unit adopts a top light-emitting type LED light source with lower cost, and can emit light in the direction perpendicular to the circuit board. The light guide button can guide in light emitted by the top light-emitting type LED light source through the incident plane of the light guide button and reflect the light to one end of the light guide button exposed out of the shell through the light reflecting inclined plane of the light guide button. Compare with the multi-functional test button unit that current adoption side-lighting formula LED light source passed through the button straight line and derived, the utility model provides a multi-functional test button unit has lower cost owing to adopt top-lighting formula LED light source. Meanwhile, the distance between the incident plane of the light guide button and the side light-emitting LED is always kept unchanged in the movement process, so that the light guide button has higher light guide efficiency and better stability.

In another exemplary embodiment of the multi-function test button unit, the multi-function test button unit further comprises a flexible electrical connector having one end electrically connected to the mounting circuit board. The mounting circuit board can be a basic circuit only comprising the top-emitting LED light source and the tact switch and is connected with the circuit board with other functions through the flexible electric connector.

In yet another exemplary embodiment of the multi-function test button unit, the multi-function test button unit includes a plurality of top-emitting LED light sources, thereby enabling more complex pointing functions.

In yet another exemplary embodiment of the multifunctional test button unit, the end of the light-conducting button exposed from the housing is formed with a scattering surface capable of scattering light reflected by the light-reflecting slope, so that light guided out of the housing is more easily observed.

In yet another exemplary embodiment of the multifunction test button unit, the light conducting button is a transparent plastic button with light conducting properties.

The utility model also provides a switching device's test module, switching device include a casing, are formed with an handle hole on the casing. The test module comprises a test unit and the multifunctional test button unit. The test unit can set up in the casing and can test switching device. The installation circuit board can set up in the casing and be connected with the test unit electricity, and the operation hole is located one side of installation circuit board along an extending direction of installation circuit board, and the leaded light button wears to locate the operation hole and can follow this extending direction and move for the casing.

In another exemplary embodiment of the test module, the test module further comprises a functional circuit board and a flexible electrical connector. The functional circuit board can be arranged in the shell, and the installation circuit board is perpendicular to the functional circuit board; the flexible electric connector is respectively and electrically connected with the installation circuit board and the functional circuit board. Thereby further optimizing the space occupied by the test module within the housing.

The utility model also provides a switching device, including a casing and an foretell test module. An operation hole is formed in the housing. The test unit sets up in the casing, and the installation circuit board sets up in the casing, and the operation hole is located one side of installation circuit board along an extending direction of installation circuit board, and the leaded light button wears to locate the operation hole and can follow this extending direction and move for the casing.

The above features, technical features, advantages and implementations of the multifunctional test button unit, the test module and the switching device of the switching device will be further explained in a clearly understandable manner with reference to the accompanying drawings.

Drawings

The following drawings are only schematic illustrations and explanations of the present invention, and do not limit the scope of the present invention.

Fig. 1 is a schematic structural view of an exemplary embodiment of a multi-function test button unit of a switching device.

Fig. 2 is another state diagram of the multi-function test button unit of fig. 1.

Fig. 3 is a schematic structural view of another exemplary embodiment of a multi-function test button unit.

Description of the reference symbols

10 mounting circuit board

20 top light-emitting type LED light source

30 light touch switch

40 light guide button

42 plane of incidence

44 reflective ramp

46 scattering surface

50 Flexible Electrical connector

60 elastic member

70 casing

72 operating hole

A is the extension direction.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings, wherein the same reference numerals in the drawings denote the same or similar components.

"exemplary" means "serving as an example, instance, or illustration" herein, and any illustration, embodiment, or steps described as "exemplary" herein should not be construed as a preferred or advantageous alternative.

Fig. 1 is a schematic structural view of an exemplary embodiment of a multi-function test button unit of a switching device. Referring to fig. 1, the switching device includes a housing 70, and an operation hole 72 is formed on the housing 70. The multifunctional test button unit includes a mounting circuit board 10, two top-emitting LED light sources 20, a tact switch 30, and a light guide button 40.

In the illustrated embodiment, the mounting wiring board 10 is a main wiring board having a test function in the test module. Since the switch device is usually used in a plurality of sets, the housing of the switch device usually has a pair of assembling walls disposed in parallel and a plurality of side walls respectively connecting the assembling walls. In order to make full use of the space, the mounting circuit board 10 is provided in the housing 70 in parallel to the assembly wall in the exemplary embodiment. In a use state, the assembly walls of the plurality of sets of switching devices are attached to each other, so that the operation hole 72 is provided on one side wall, and the operation hole 72 is located on one side of the mounting circuit board 10 along one extending direction a of the mounting circuit board 10. It will be understood by those skilled in the art that it is possible for the access hole 72 to be located on one side of the mounting circuit board in only one direction parallel to the direction of extension a, as shown in the figures, and not necessarily along the direction of extension. However, not limited thereto, in other exemplary embodiments (refer to fig. 3), the mounting wiring board 10 may not be a main wiring board having a test function, and may be mounted in other manners according to actual circumstances.

Fig. 2 is another state diagram of the multi-function test button unit of fig. 1. Referring to fig. 2 in conjunction with fig. 1, the top-emission LED light source 20 is disposed on the mounting circuit board 10 and electrically connected to the mounting circuit board 10, and as shown by the dotted arrow in the figure, the top-emission LED light source 20 can emit light in a direction perpendicular to the mounting circuit board 10. Although the exemplary embodiment has two top-emitting LED light sources 20, it is not limited thereto, and in other exemplary embodiments, the number of top-emitting LED light sources 20 may be determined according to the actual status indication function of the multifunctional test button unit, and of course, only one top-emitting LED light source 20 may be included. The tact switch 30 is provided on the mounting board 10 and electrically connected to the mounting board 10, and the tact switch 30 is provided along the extending direction a.

In the exemplary embodiment, the light guide button 40 is a transparent plastic button having a light guide property, and the material cost thereof is low, however, the present invention is not limited thereto, and in other exemplary embodiments, the light guide button 40 may be made of other light guide materials. The light guide button 40 is inserted into the operation hole 72 and can move relative to the housing 70 and press the tact switch (see fig. 2) as indicated by a double-headed arrow in fig. 1. The light directing button 40 has a light entry surface 42 and a light reflecting angled surface 44. The light entrance plane 42 is parallel to the mounting wiring board 10. As shown in fig. 1 and 2, the light incident plane 42 can be always directed to the top-emitting LED light source 20 during the movement of the light guide button 40 relative to the housing 70, and can uniformly guide the light emitted from the LED into the light guide button 40 as indicated by the dotted arrow in the drawing. The light reflecting slope 44 can reflect the light guided into the light guiding button 40 through the light incident plane 42 to the end of the light guiding button 40 exposed out of the housing 70 through the operation hole 72 and out of the light guiding button 40 in the light guiding button 40 as indicated by a dotted arrow in the figure.

The utility model provides a multi-functional test button unit adopts the lower top light-emitting type LED light source 20 of cost to replace the side light-emitting type LED light source, and top light-emitting type LED light source 20 is along the direction emitted light of perpendicular to circuit board. The operation light guide button 40 can move relative to the housing 70 and press the tact switch 30. Meanwhile, the light guide button 40 guides the light emitted from the top-emission LED light source 20 through the incident plane 42 thereof, and reflects the light to the end exposed out of the housing 70 through the reflecting slope 44 thereof. Compare with current adoption side-lighting formula LED light source and through the multi-functional test button unit that the button straight line was derived, the utility model provides a multi-functional test button unit has lower cost owing to adopt top-lighting formula LED light source. And, the distance between the incident plane 42 of the light guide button 40 and the side-emitting LED20 is always kept constant during the movement, so that the light guide button has higher light guide efficiency and better stability.

Fig. 3 is a schematic structural view of another exemplary embodiment of a multi-function test button unit. Fig. 3 adopts a view angle indicated by a right arrow in fig. 1, and referring to fig. 3, the same structure as that in the embodiment shown in fig. 1 is not repeated, and the difference is that the multifunctional test button unit further includes a flexible electrical connector 50, which is a flexible circuit board 50 in the exemplary embodiment, and one end of the flexible circuit board 50 is electrically connected to the mounting circuit board 10. However, without limitation, in other exemplary embodiments the flexible electrical connector 50 may also be a wire connected by a PIN. In the exemplary embodiment, the mounting circuit board 10 includes only the basic circuit for the top-emission LED light source 20 and the tact switch 30, and is connected to the main circuit board having the test function in the test module through the flexible circuit board 50, and the mounting circuit board 10 has a smaller volume and can be flexibly disposed in the housing to correspond to the light guide button 40 as an extension of the main circuit board, thereby further saving the internal space of the housing and the cost of the circuit board. Meanwhile, by introducing the flexible electric connector 50, the multifunctional test button unit can be suitable for different switch devices, and the multifunctional test button unit is electrically connected with circuit boards in different switch devices through the flexible electric connector 50, so that modularization of the multifunctional test button unit is realized.

In the exemplary embodiment, referring to fig. 3, the end of the light-guiding button 40 exposed from the housing 70 is formed with a scattering surface 46, which may be a frosted surface or other structure having a light-scattering function, and the scattering surface 46 can scatter the light reflected by the light-reflecting slope 44, so that the light guided out of the housing can be observed more easily.

The utility model also provides a testing module of switching device, switching device include a casing 70, are formed with an handle hole 72 on the casing 70. The test module comprises a test unit and the multifunctional test button unit. The test unit is disposed in the housing 70 and is capable of testing the switching device. The mounting circuit board 10 is disposed in the housing 70 and electrically connected to the testing unit, the operation hole 72 is located on one side of the mounting circuit board 10 along an extending direction a of the mounting circuit board 10, and the light guide button 40 is disposed through the operation hole 72 and can move relative to the housing 70 along the extending direction a. In the illustrated embodiment, referring to FIG. 3, the test module further includes a functional circuit board 60 and a flexible electrical connector 50. The functional circuit board 60 is disposed in the housing 70, and the mounting circuit board 10 is perpendicular to the functional circuit board 60. The flexible electrical connectors 50 electrically connect the mounting circuit board 10 and the functional circuit board 60, respectively. In the exemplary embodiment, the functional circuit board 60 is bulky as a main circuit board having a test function, and is disposed in the housing 70 in parallel to the assembly wall in order to make the most of the space. The mounting circuit board 10 includes only a basic circuit for the top emission type LED light source 20 and the tact switch 30 and is small in size, and is disposed at one side of the light guide button 40 perpendicularly to the assembly wall, and only occupies a space in the thickness direction of the case 70, further optimizing the space occupied by the test module in the case.

The utility model also provides a switching device, including a casing 70 and an foretell test module. The housing 70 is formed with an operation hole 72. The test unit is disposed in the casing 70, the mounting circuit board 10 is disposed in the casing 70, the operation hole 72 is located on one side of the mounting circuit board 10 along an extending direction a of the mounting circuit board 10, and the light guide button 40 is disposed through the operation hole 72 and can move relative to the casing 70 along the extending direction a.

It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.

The above list of details is only for the practical examples of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications, such as combinations, divisions or repetitions of the features, which do not depart from the technical spirit of the present invention, should be included in the scope of the present invention.

Claims

1. A multi-function test button unit of a switching device, the switching device including a housing (70), the housing (70) having an operation hole (72) formed therein, characterized in that the multi-function test button unit includes:

a mounting board (10) capable of being disposed in the housing (70), and the operation hole (72) is located on one side of the mounting board (10) in one extending direction (a) of the mounting board (10);

a top-emitting LED light source (20) disposed on the mounting circuit board (10) and electrically connected to the mounting circuit board (10), the top-emitting LED light source (20) being capable of emitting light in a direction perpendicular to the mounting circuit board (10);

a tact switch (30) disposed on the mounting board (10) and electrically connected to the mounting board (10), the tact switch (30) being disposed along the extending direction (A); and

a light-guiding button (40) that can be inserted into the operation hole (72) and that can move relative to the housing (70) in the extending direction (a) and press the tact switch (30), the light-guiding button (40) comprising:

a light entry plane (42) parallel to the mounting circuit board (10), the light entry plane (42) facing the top-emitting LED light source (20) throughout the movement of the light guide button (40) relative to the housing (70) and capable of directing light emitted by the LED into the light guide button (40), and

the light-reflecting inclined plane (44) can reflect light rays guided into the light-guiding button (40) through the light-incident plane (42) in the light-guiding button (40) to the light-guiding button (40) and then the light-guiding button (40) is exposed out of one end of the shell (70) through the operation hole (72).

2. The multi-functional test button cell of claim 1, further comprising a flexible electrical connector (50) electrically connected at one end to said mounting circuit board (10).

3. The multi-functional test button unit of claim 1, comprising a plurality of said top-emitting LED light sources (20).

4. The multi-functional test button unit of claim 1, wherein an end of said light-conducting button (40) exposed from said housing (70) is formed with a diffusion surface (46) capable of diffusing light reflected by said light-reflecting slope (44).

5. The multi-functional test button unit of claim 1, wherein the light-conducting button (40) is a transparent plastic button with light-conducting properties.

6. Testing module for a switchgear device comprising a casing (70), said casing (70) being formed with an operating hole (72), characterized in that it comprises:

a test unit which can be arranged in the housing (70) and can test the switching device;

a multifunctional test button unit according to any one of claims 1 to 5, wherein said mounting circuit board (10) is capable of being disposed within said housing (70) and electrically connected to said test unit, said operation hole (72) is located on one side of said mounting circuit board (10) along an extension direction (A) of said mounting circuit board (10), and said light-guiding button (40) is capable of being inserted through said operation hole (72) and capable of moving relative to said housing (70) along said extension direction (A).

7. The test module of claim 6, wherein the test module further comprises:

a functional wiring board (60) capable of being disposed within the housing (70) with the mounting wiring board (10) perpendicular to the functional wiring board (60); and

a flexible electrical connector (50) electrically connecting said mounting circuit board (10) and said functional circuit board (60), respectively.

8. A switching device, characterized by comprising:

a housing (70) having an operation hole (72) formed therein; and

a test module according to any one of claims 6 or 7, wherein the test unit is disposed in the housing (70), the mounting circuit board (10) is disposed in the housing (70), and the operation hole (72) is located on one side of the mounting circuit board (10) along an extending direction (A) of the mounting circuit board (10), and the light-guiding button (40) is disposed through the operation hole (72) and is capable of moving relative to the housing (70) along the extending direction (A).