Switching device for electrical equipment and electrical equipment

Abstract

The embodiment of the utility model provides a switching device for electrical equipment and the electrical equipment. The device comprises: a housing; the at least one static contact is arranged in the shell; a button movably coupled to the housing and adapted to move at least from an off position to at least one on position; and at least one moving contact assembly arranged in the housing, and each of the at least one moving contact assembly includes: a wiring terminal coupled to the housing and connected to a line of the electrical device; the elastic arm is coupled to the wiring terminal and comprises a movable contact which is arranged at the end part far away from the wiring terminal, and the elastic arm is suitable for applying elastic force to the movable contact, so that the movable contact is separated from the static contact by a preset distance when the button is located at the turn-off position; and the driving arm is rotationally coupled to the shell and is suitable for pushing the elastic arm to deform when the button moves from the turn-off position to the at least one turn-on position, so that the movable contact is in contact with the static contact. Therefore, the working stability of the switching device can be improved, and the working life of the switching device is prolonged.

Description

Technical Field

[0001] Example embodiments of the present disclosure generally relate to the field of electrical equipment, and in particular, to a switchgear for electrical equipment and the electrical equipment. Background Art

[0002] With the continuous development of smart home devices, electric curtains have gradually come into people's view and are expected by more and more people. Electric curtains can drive the curtains to open or close through the power provided by the motor.

[0003] The switch device of a traditional electric curtain can be turned on by the internal mechanism when the user operates it (for example, the switch device is pressed), and the switch is reset and the circuit connection is cut off after the user releases the operation (for example, the user is no longer pressing the switch device). Therefore, the user can control the working time of the motor through the switch, and then control the position of the curtain. Utility Model Content

[0004] In the first aspect of the present disclosure, a switch device for an electrical device is provided. The device comprises: a housing; at least one static contact arranged in the housing; a button movably coupled to the housing and adapted to move at least from an off position to at least one on position; and at least one moving contact assembly arranged in the housing, and each moving contact assembly in the at least one moving contact assembly comprises: a wiring terminal coupled to the housing and connected to a line of the electrical device; an elastic arm coupled to the wiring terminal and comprising a moving contact arranged at an end away from the wiring terminal, the elastic arm being adapted to apply an elastic force to the moving contact so that the moving contact is spaced apart from the static contact by a predetermined distance when the button is in the off position; and a driving arm rotatably coupled to the housing and adapted to push the elastic arm to deform during the movement of the button from the off position to at least one on position so that the moving contact contacts the static contact.

[0005] In some embodiments, the driving arm includes: a body extending along an extension direction and including a coupling end coupled to a shell and suitable for rotating relative to the shell around a rotation axis; and a trigger portion arranged at a free end of the body away from the coupling end and protruding from the free end along a protruding direction perpendicular to the extension direction so as to couple with the elastic arm.

[0006] In some embodiments, the trigger portion includes: a connecting section, which is arranged to protrude directly from the free end, and the width of the connecting section in the extension direction gradually decreases as it moves away from the body; and a trigger head, which is arranged at the end of the connecting section away from the free end to facilitate coupling with the elastic arm.

[0007] In some embodiments, the drive arm further includes: a contact portion arranged between the coupling end and the free end, and the button further includes: a contact protrusion arranged on a side of the button facing the moving contact assembly and abutting against the contact portion of the drive arm.

[0008] In some embodiments, the housing includes: a receiving box: at least partially arranged outside the moving contact assembly and suitable for fixing the moving contact assembly and the stationary contact.

[0009] In some embodiments, the connection terminal and the elastic arm of the moving contact assembly are integrally formed.

[0010] In some embodiments, the housing further includes: a receiving groove formed on a side of the housing facing the button and adapted to partially receive the button.

[0011] In some embodiments, the shell also includes a pair of mounting shafts, which are arranged on the inner walls on both sides of the accommodating groove, and the axes of the pair of mounting shafts are aligned, and the button includes a pair of fixing grooves, which are arranged on the opposite sides of the button and are respectively coupled to the pair of mounting shafts so that the button can rotate around the axes of the mounting shafts between the off position and at least one on position.

[0012] In some embodiments, the rotation angle of the button between the off position and the on position is between 1° and 5°.

[0013] When the user presses the button and causes the button to move from the off position to the on position, the button drives the driving arm to move and causes the elastic arm to deform. In this way, the moving contact coupled to the free end of the elastic arm contacts the corresponding static contact, thereby achieving conduction of the corresponding circuit in the switch device. By using the driving arm to push the elastic arm to deform to control the contact between the moving contact and the static contact, the structure is simple and reliable. As a result, the reliability of the switch device in long-term operation can be improved.

[0014] In a second aspect of the present disclosure, an electrical device is provided, comprising the switch device provided according to the first aspect of the present disclosure.

[0015] It should be understood that the contents described in this content section are not intended to limit the key features or important features of the embodiments of the present disclosure, nor are they intended to limit the scope of the present disclosure. Other features of the present disclosure will become easily understood through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and other features, advantages and aspects of the embodiments of the present disclosure will become more apparent with reference to the following detailed description in conjunction with the accompanying drawings. In the accompanying drawings, the same or similar reference numerals represent the same or similar elements, wherein:

[0017] Figure 1 A simplified schematic diagram of a conventional switch device is shown;

[0018] Figure 2 shows a schematic diagram of the overall structure of a switch device according to an embodiment of the present disclosure;

[0019] Figure 3 A schematic diagram of the internal mechanism of a switch device according to an embodiment of the present disclosure is shown;

[0020] Figure 4 A schematic diagram showing the connection relationship between a button and a housing according to an embodiment of the present disclosure; and

[0021] Figure 5 A schematic diagram of the internal structure at other viewing angles according to an embodiment of the present disclosure is shown. DETAILED DESCRIPTION

[0022] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0023] It should be noted that the titles of any sections / subsections provided herein are not restrictive. Various embodiments are described throughout this article, and any type of embodiment may be included under any section / subsection. In addition, the embodiments described in any section / subsection may be combined in any manner with any other embodiments described in the same section / subsection and / or different sections / subsections.

[0024] In the description of the embodiments of the present disclosure, the term "including" and similar terms should be understood as open inclusion, that is, "including but not limited to". The term "based on" should be understood as "based at least in part on". The term "one embodiment" or "the embodiment" should be understood as "at least one embodiment". The term "some embodiments" should be understood as "at least some embodiments". Other explicit and implicit definitions may be included below. The terms "first", "second", etc. may refer to different or the same objects. Other explicit and implicit definitions may be included below.

[0025] As briefly mentioned above, the user can control the forward or reverse rotation of the electrode through the switch device, thereby controlling the opening and closing of the electric curtain. Figure 1 A simplified schematic diagram of a conventional switch device is shown. Figure 1As shown, the conventional switch device includes a pair of static contacts 101, a V-shaped silver bridge 102 (also called a conductive connector) arranged between the pair of static contacts 101, and a base 103 coupled to the silver bridge 102. The base 103 and the static contact 101 are respectively coupled to the power supply side and the power consumption side of the switch. The pair of static contacts 101 correspond to different working modes of the motor (for example, forward or reverse). When the user presses the switch to one side, the panel of the switch drives the silver bridge 102 to deflect toward the static contact 101 on one side, and the moving contact arranged at the end of the silver bridge 102 contacts the corresponding static contact 101, and then the base 103 is electrically connected to the corresponding static contact 101. In this way, the switch device is turned on to a certain working circuit of the motor, thereby controlling the forward rotation (or reverse rotation) of the motor.

[0026] However, in such a structure, the coupling mode between the silver bridge 102 and the base 103 is unstable. After the switch device is used for a long time, the silver bridge 102 and the base 103 are prone to misalignment and poor contact, thereby affecting the normal use of the switch device.

[0027] In order to solve or at least partially solve the above-mentioned problems or other potential problems existing in the conventional technology, the embodiments of the present disclosure provide a switch device and an electrical device for an electrical device. According to various embodiments of the present disclosure, when a user presses a button and causes the button to move from an off position to an on position, the button drives the drive arm to move and causes the elastic arm to deform. In this way, the moving contact coupled to the free end of the elastic arm is brought into contact with the corresponding static contact, thereby achieving conduction of the corresponding circuit in the switch device. The contact between the moving contact and the static contact is controlled by using a drive arm to push the elastic arm to deform, and the structure is simple and reliable. As a result, the reliability of the switch device for long-term operation can be improved.

[0028] Figure 2 shows a schematic diagram of the overall structure of a switch device according to an embodiment of the present disclosure, Figure 3 FIG. 2 shows a schematic diagram of the internal structure of a switch device according to an embodiment of the present disclosure. Figure 2 and Figure 3 As shown, the switch device generally includes a housing 1, at least one static contact 11 arranged in the housing 1, a button 2 movably coupled to the housing 1, and at least one moving contact assembly 3 arranged in the housing 1. At least one moving contact assembly 3 corresponds to at least one static contact 11. The moving contact assembly 3 and the static contact 11 are respectively coupled to the power supply side and the power consumption side of the switch device. When the button 2 moves from the off position to the on position under the operation of the user, the corresponding moving contact assembly 3 is electrically connected to the corresponding static contact 11, thereby turning on the switch device.

[0029] In some embodiments, the button 2 of the switch device can only move from the off position to one on position. In this case, a static contact 11 and a moving contact assembly 3 may be arranged in the housing 1. In other embodiments, the button 2 of the switch device can move from the off position to two or more on positions. Take two on positions as an example. In this case, two static contacts 11 and two moving contact assemblies 3 may be arranged in the housing 1. The two static contacts 11 correspond to the two moving contact assemblies 3, respectively, and when the button 2 moves to one of the on positions, the button 2 can make the corresponding moving contact assembly 3 contact the static contact 11. The following description will mainly be made in the form of a switch device including two static contacts 11 and two moving contact assemblies 3, but it should be understood that the switch device containing any other appropriate number (for example, one) of moving contact assemblies 3 and static contacts 11 is also similar.

[0030] Figure 4 FIG. 1 shows a schematic diagram of the connection relationship between the button and the housing according to an embodiment of the present disclosure. Figure 4 As shown, the button 2 is movably coupled to the housing 1. In some embodiments, the housing 1 includes a pair of mounting shafts 14, which are arranged on opposite sides of the housing 1 and are aligned along the axis. The button 2 includes a pair of fixing grooves 22, which are arranged on two opposite sides of the button 2 and are respectively coupled with the pair of mounting shafts 14. Through the cooperation between the fixing grooves 22 and the mounting shafts 14, the button 2 can rotate around the axis of the mounting shafts 14. In some embodiments, the rotation angle of the button 2 between the off position and the on position is between 1° and 5°.

[0031] In some embodiments, the button 2 can be rotated in a first rotation direction (for example, clockwise) around the axis of the mounting shaft 14 within a predetermined angle range (for example, 2°, 3°, etc.), so that the button 2 is rotated from the off position to the first on position. The button 2 can also be rotated in a second rotation direction (for example, counterclockwise) around the axis of the mounting shaft 14 within a predetermined angle range (for example, 2°, 3°, etc.), so that the button 2 is rotated from the off position to the second on position.

[0032] In some embodiments, the rotation axis of button 2 can be parallel to the plane where button 2 is located. In some other embodiments, the rotation axis of button 2 can also have a predetermined non-zero angle relative to the plane where button 2 is located (for example, the rotation axis of button 2 is perpendicular to the plane where button 2 is located).

[0033] In some embodiments, the button 2 may also move relative to the housing 1 in other appropriate ways. For example, the button 2 may slide relative to the housing 1 along a straight line direction or at least a portion of a curved line direction.

[0034] In some embodiments, a receiving groove 13 is further formed on one side of the housing 1 facing the button 2, and the receiving groove 13 extends toward the inside of the housing 1, so that the button 2 can be at least partially embedded in the receiving groove 13. In this way, the thickness of the button 2 protruding from the housing 1 can be reduced, thereby reducing the thickness of the switch device.

[0035] In some embodiments, the housing 1 includes a housing box 12, which at least partially covers the outer sides of the moving contact assembly 3 and the static contact 11, and is suitable for fixing the moving contact assembly 3 and the static contact 11. By fixing the moving contact assembly 3 and the static contact 11 by the housing box 12, the switch device can be modularized, which can improve the convenience of installation of the switch device on the one hand, and protect related components on the other hand.

[0036] Figure 5 Schematic diagram of the internal structure at other viewing angles according to an embodiment of the present disclosure is shown. Figure 5 Shown and combined Figure 3 The moving contact assembly 3 includes a terminal 4, an elastic arm 5 and a driving arm 6. The terminal 4 is fixed in the housing 1, and the terminal 4 is suitable for connecting to the circuit of the electrical device. For example, the terminal 4 is suitable for connecting to the power consumption side or the power supply side of the switch device. The elastic part is coupled to the terminal 4, and the elastic arm 5 is suitable for extending to the static contact 11. The free end of the elastic arm 5 away from the terminal 4 is fixed with a moving contact 51. The elastic arm 5 can apply an elastic force to the moving contact 51 so that the moving contact 51 is separated from the static contact 11 by a predetermined distance when the button 2 is in the off position. The driving arm 6 is movably coupled to the housing 1, and the driving arm 6 is suitable for being pushed by the button 2 and moving during the rotation of the button 2 from the off position to the on position, and further pushing the elastic arm 5. After being pushed by the driving arm 6, the elastic arm 5 undergoes elastic deformation, thereby causing the moving contact 51 to contact with the static contact 11, thereby turning on the switch device.

[0037] In some embodiments, the elastic arm 5 and the connection terminal 4 may be integrally formed. For example, the elastic arm 5 and the connection terminal 4 may be formed from a copper or copper alloy substrate by stamping, bending, or other processes.

[0038] In some embodiments, the driving arm 6 includes a body 61 and a trigger portion 62 coupled to the body 61. The body 61 extends along the extension direction, and the coupling end of the body 61 is coupled to the shell 1 (for example, coupled to the side wall of the containing box 12). In some embodiments, the coupling end may include a pair of fixed shafts coaxially arranged on both sides of the body 61, and the pair of fixed shafts are respectively penetrated on the side walls of the containing box 12, so that the driving arm 6 can rotate around the axis of the fixed shaft equivalent to the shell 1. The end of the body 61 away from the coupling end is a free end, and the trigger portion 62 is coupled to the free end of the body 61 and protrudes from the body 61 along a protruding direction perpendicular to the extension direction. When the button 2 rotates from the off position to the on position, the button 2 pushes the driving arm 6 to rotate around the fixed axis, so that the trigger end pushes the elastic arm 5 to deform.

[0039] In some embodiments, the trigger portion 62 includes a connecting section 621, which is coupled to the free end and protrudes from the free end. The width of the connecting section 621 gradually decreases as the connecting section 621 extends away from the free end. The end of the connecting section 621 away from the free end is also provided with a trigger head 622, which is suitable for contacting the elastic arm 5.

[0040] In some embodiments, the button 2 includes a contact protrusion 21, which is arranged on the side of the button 2 facing the moving contact assembly 3. The contact protrusion 21 extends toward the moving contact assembly 3 and contacts the driving arm 6. Correspondingly, the driving arm 6 also includes a contact portion, which is arranged between the coupling end and the free end. The contact protrusion 21 abuts against the contact portion, so that the contact protrusion 21 can push the driving arm 6 to move.

[0041] In some embodiments, the switch device can be used as a control switch for electric curtains. For example, a pair of moving contact assemblies 3 in the switch device can be used to control the forward or reverse rotation of the electric curtain motor respectively. In some other embodiments, the switch device with a built-in moving contact assembly 3 can also be a ring switch or a door access switch. The above is only an exemplary description of the application of the switch device. In fact, the switch device can also be used in any other appropriate field, and the present disclosure does not limit it.

[0042] The above descriptions of various implementations of the present disclosure are exemplary, non-exhaustive, and not limited to the disclosed implementations. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described implementations. The selection of terms used herein is intended to best explain the principles of the implementations, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the various implementations disclosed herein.

Claims

1. A switch device for an electrical device, comprising: Housing (1); At least one static contact (11) arranged in the housing (1); a button (2) movably coupled to the housing (1) and adapted to move from at least an off position to at least one on position; as well as At least one moving contact assembly (3) is arranged in the housing (1), and each moving contact assembly (3) in the at least one moving contact assembly (3) comprises: A wiring terminal (4), coupled to the housing (1) and connected to a circuit of the electrical device; an elastic arm (5) coupled to the wiring terminal (4) and comprising a movable contact (51) arranged at an end away from the wiring terminal (4), the elastic arm (5) being adapted to apply an elastic force to the movable contact (51) so that the movable contact (51) is spaced apart from the stationary contact (11) by a predetermined distance when the button (2) is in the off position; and A drive arm (6) is rotationally coupled to the housing (1) and connected to the button (2), and is suitable for pushing the elastic arm (5) to deform during the movement of the button (2) from the off position to the at least one on position, so that the moving contact (51) contacts the stationary contact (11).

2. The switch device according to claim 1, characterized in that: The driving arm (6) comprises: A body (61) extending along an extension direction and comprising a coupling end, coupled to the housing (1), and adapted to rotate relative to the housing (1) around a rotation axis; and The trigger portion (62) is arranged at a free end of the body (61) away from the coupling end, and protrudes from the free end in a protruding direction perpendicular to the extending direction so as to be coupled with the elastic arm (5).

3. The switch device according to claim 2, characterized in that: The triggering unit (62) comprises: a connecting section (621) arranged to protrude directly from the free end, and a width of an end of the connecting section (621) away from the body (61) in the extending direction is smaller than a width of an end of the connecting section (621) close to the body (61); and The trigger head (622) is arranged at the end of the connecting section (621) away from the free end to facilitate coupling with the elastic arm (5).

4. The switch device according to claim 2 or 3, characterized in that: The driving arm (6) further comprises: A contact portion is arranged between the coupling end and the free end, and The button (2) further comprises: A contact protrusion (21) is arranged on a side of the button (2) facing the moving contact assembly (3) and abuts against a contact portion of the drive arm (6).

5. The switch device according to claim 1, characterized in that: The housing (1) comprises: A containing box (12) is at least partially arranged outside the moving contact assembly (3) and is suitable for fixing the moving contact assembly (3) and the stationary contact (11).

6. The switch device according to claim 1, characterized in that: The housing (1) further comprises: The accommodating groove (13) is formed on a side of the housing (1) facing the button (2) and is suitable for partially accommodating the button (2).

7. The switch device according to claim 6, characterized in that: The housing (1) further comprises a pair of mounting shafts (14) arranged on opposite inner walls of the receiving groove (13), and the axes of the pair of mounting shafts (14) are aligned, and The button (2) comprises a pair of fixing grooves (22) arranged on opposite sides of the button (2) and respectively coupled to the pair of mounting shafts (14) so ​​that the button (2) can rotate around the axis of the mounting shaft (14) between the off position and the at least one on position.

8. The switch device according to claim 7, characterized in that: The rotation angle of the button (2) between the off position and the on position is between 1° and 5°.

9. An electrical device, characterized in that: Comprising a switch device according to any one of claims 1-8.

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