CN103077840B - Luminous key device and electric equipment - Google Patents

Luminous key device and electric equipment Download PDF

Info

Publication number
CN103077840B
CN103077840B CN201310016162.XA CN201310016162A CN103077840B CN 103077840 B CN103077840 B CN 103077840B CN 201310016162 A CN201310016162 A CN 201310016162A CN 103077840 B CN103077840 B CN 103077840B
Authority
CN
China
Prior art keywords
light guide
light
guide column
keycap
face
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201310016162.XA
Other languages
Chinese (zh)
Other versions
CN103077840A (en
Inventor
朱清泉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hisense Broadband Multimedia Technology Co Ltd
Original Assignee
Hisense Broadband Multimedia Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hisense Broadband Multimedia Technology Co Ltd filed Critical Hisense Broadband Multimedia Technology Co Ltd
Priority to CN201310016162.XA priority Critical patent/CN103077840B/en
Publication of CN103077840A publication Critical patent/CN103077840A/en
Application granted granted Critical
Publication of CN103077840B publication Critical patent/CN103077840B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Push-Button Switches (AREA)

Abstract

The invention discloses a kind of luminous key device and electric equipment.Described luminous key device comprises button and leaded light component.Button comprises keycap and contact rigidly connected with keycap, and contact moves along the direction that keycap front end face is stressed when keycap front end face is subject to pressing.Leaded light component comprises the first light-guiding pillar and light-guiding pillar support, light-guiding pillar Bracket setting in the periphery of the first light-guiding pillar, in order to fix the first light-guiding pillar.First light-guiding pillar holds keycap, and the luminescent device of rear end face near electric equipment inside of the first light-guiding pillar, in order to conduct the light that luminescent device sends.Luminous key device in the present invention is, by light-guiding pillar, the light that inner for electric equipment existing luminescent device sends is conducted to the front end face of light-guiding pillar to make key light emitting, reaches indicative function, has production cost low, simplify the advantage of electric equipment circuit.

Description

Light-emitting key device and electrical equipment
Technical Field
The invention relates to the field of electrical equipment, in particular to a light-emitting key device and electrical equipment using the same.
Background
At present, electrical equipment such as an IPTV (interactive network television), a set-top box, a television, a DVD, and the like can quickly position a power key to illuminate the power key in order to display a working state or in a dark state, so as to achieve an indication effect. The principle that the power supply key of the existing electrical equipment can emit light is as follows: special light-emitting electronic devices are arranged around the corresponding position of the power key or close to the position of the power key, and meanwhile, a special circuit is arranged on a circuit board in the electrical equipment to control the switch of the light-emitting electronic devices. When the power key is pressed, the circuit of the electrical equipment is connected, the special light-emitting electronic device emits light, and the power key emits light. However, the cost of the special light-emitting electronic device is high, so that the production cost of the electrical equipment is increased, the batch production of the electrical equipment is not facilitated, and the market share of the electrical equipment is reduced. And because the circuit board in the electrical equipment is provided with a special circuit to control the switch of the light-emitting electronic device, the circuit of the electrical equipment is also complicated.
Accordingly, there is a need for a light-emitting key device that can be manufactured at a low cost and simplify the wiring of electrical equipment.
Disclosure of Invention
The invention aims to provide a light-emitting key device which is low in production cost and capable of simplifying the circuit of electrical equipment.
The invention also aims to provide electrical equipment using the light-emitting key device.
According to an embodiment of the present invention, there is provided a light-emitting key device including a key and a light guide member, wherein,
the key comprises a keycap and a contact rigidly connected with the keycap, and the contact moves along the direction of stress of the front end face of the keycap when the front end face of the keycap is pressed;
the light guide assembly comprises a first light guide column and a light guide column bracket,
the light guide column bracket is arranged at the periphery of the first light guide column and used for fixing the first light guide column;
the first light guide column accommodates the keycap, and the rear end face of the first light guide column is close to the light emitting device inside the electrical equipment and used for conducting light emitted by the light emitting device.
Furthermore, the key also comprises a supporting plate, a first elastic bracket and a second elastic bracket, wherein,
the first elastic support and the second elastic support are arranged at two ends of the supporting plate and are vertical to the supporting plate, and the upper connecting ends of the first elastic support and the second elastic support are respectively fixedly connected with two sides of the rear end face of the keycap;
the first elastic support and the second elastic support are different in thickness, and the thickness of the first elastic support is smaller than that of the second elastic support.
And the mounting position of the contact is close to the joint of the upper connecting end of the first elastic support and the keycap.
Preferably, the supporting plate is provided with a baffle:
the baffle is arranged on the upper surface of the supporting plate and is vertical to the upper surface of the supporting plate; the front end face of the baffle and the front end face of the supporting plate are on the same vertical face.
Preferably, the supporting plate is further provided with a positioning groove:
the locating slot is a U-shaped hole and is used for locating when the supporting plate is installed.
Furthermore, a second light guide column and a third light guide column are arranged on the light guide column bracket,
the second light guide column and the third light guide column are arranged on the rear end face of the light guide column support, and the first light guide column, the second light guide column and the third light guide column are arranged in parallel.
Preferably, the light guide pole bracket is provided with a light isolation hole,
the light isolation hole is located between two sides of the first light guide column and the second light guide column and between the second light guide column and the third light guide column and used for preventing light rays emitted by a plurality of light emitting devices in the electrical equipment from carrying out light ray interference on the first light guide column, the third light guide column and the second light guide column.
Preferably, the light guide post bracket is provided with a positioning plate,
the positioning plates are arranged on two sides of the light guide column support and used for positioning the installation position of the light guide column support inside the electrical equipment.
Preferably, the key cap is a circular key cap, and the first light guide column is an annular light guide column.
Preferably, the cross-section of the contact is cross-shaped.
According to another aspect of the present invention, there is also provided an electrical apparatus, comprising an upper casing, a lower casing, and a circuit board disposed in the lower casing, wherein the circuit board is provided with a light emitting device and a tact switch for controlling the conduction of a circuit, the electrical apparatus further comprises a fixing plate and a light emitting button device,
the fixing plate is fixed on the inner surface of the lower shell of the electrical equipment and used for fixing the light-emitting key device;
the light-emitting key device comprises a key and a light guide component,
the key comprises a keycap and a contact, the keycap is rigidly connected with the contact, and the contact moves to the light-touch switch along the direction of the stress of the front end face of the keycap when the front end face of the keycap is pressed;
the light guide assembly comprises a first light guide column and a light guide column bracket,
the light guide column bracket is arranged at the periphery of the first light guide column and used for fixing the first light guide column;
the first light guide column accommodates the keycap, and the rear end face of the first light guide column is close to the light emitting device on the circuit board and used for conducting light emitted by the light emitting device.
Furthermore, the key in the light-emitting key device also comprises a support plate, a first elastic bracket and a second elastic bracket, wherein the fixing plate is provided with a positioning rib,
the supporting plate is provided with a positioning groove, and the positioning groove is sleeved on the positioning rib and used for fixing the light guide assembly in the front and back directions;
the first elastic support and the second elastic support are arranged at two ends of the supporting plate and are vertical to the supporting plate, and the upper connecting ends of the first elastic support and the second elastic support are respectively fixedly connected with two sides of the rear end face of the keycap;
the first elastic support and the second elastic support are different in thickness, and the thickness of the first elastic support is smaller than that of the second elastic support.
Preferably, the installation position of the contact is close to the position where the upper connecting end of the first elastic support is connected with the keycap.
Furthermore, a baffle plate is arranged on the supporting plate,
the baffle is arranged on the upper surface of the supporting plate and is vertical to the upper surface of the supporting plate; the front end face of the baffle and the front end face of the supporting plate are on the same vertical face.
Furthermore, a second light guide column and a third light guide column are arranged on the rear end surface of the light guide column bracket, a first light emitting diode, a second light emitting diode and a remote control emitting head are arranged on the circuit board, wherein,
the first light emitting diode is arranged opposite to the first light guide column; the second light guide column is opposite to the second light emitting diode; the third light guide column is opposite to the remote control transmitting head.
Furthermore, the light guide pole bracket is provided with a light isolation hole,
the light isolation hole is located between two sides of the first light guide column and the second light guide column and between the second light guide column and the third light guide column and used for preventing light rays emitted by a plurality of light emitting devices in the electrical equipment from carrying out light ray interference on the first light guide column, the second light guide column and the third light guide column.
Furthermore, the light guide post bracket is provided with a positioning plate, the electrical equipment is internally provided with a clamping hook,
the locating plate sets up in the both sides of leaded light post support, the trip with the locating plate block for realize that leaded light subassembly is fixed in left and right directions.
Preferably, the upper shell further comprises a blocking rib,
the blocking rib is arranged at the rear end of the keycap, fixed at the top of the upper shell and used for stopping when the keycap is pressed into a certain stroke.
According to the technical scheme, the light-emitting key device conducts light emitted by the existing light-emitting device in the electrical equipment to the front end face of the first light guide column through the first light guide column to enable the key to emit light, so that an indicating effect is achieved, the key can emit light without arranging a special light-emitting electronic device around the key, and a circuit board in the electrical equipment is prevented from being provided with a special circuit to control the corresponding light-emitting electronic device, so that the light-emitting key device has the advantages of being low in production cost and capable of simplifying the circuit of the electrical equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is to be understood that the drawings in the following description are merely exemplary of the invention and that other embodiments and drawings may be devised by those skilled in the art based on the exemplary embodiments shown in the drawings.
Fig. 1 shows a schematic structural view of a light-emitting key device in embodiment 1;
FIG. 2 is a schematic view showing the structure of a key in embodiment 1;
FIG. 3 is a front view showing a key in embodiment 1;
fig. 4 shows a schematic structural view of a light guide member in embodiment 1;
fig. 5 shows a schematic structural view of a light guide member in embodiment 2;
fig. 6 shows an external structural diagram of an electric device;
FIG. 7 is a schematic view showing a structure of an unpacked circuit board inside an electric device;
FIG. 8 is a schematic view showing a structure of a built-in circuit board inside an electric device;
fig. 9 shows a partial structural view of the upper case.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings by way of examples of preferred embodiments. It should be noted, however, that the numerous details set forth in the description are merely for the purpose of providing the reader with a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.
The idea of the invention is as follows: the periphery of the key cap is provided with the light guide column, one end of the light guide column, which extends into the electrical equipment, is adjacent to the light emitting device in the electrical equipment, and the light guide column emits light by conducting the light of the light emitting device.
The structure and operation of the present invention will be described in detail by the following embodiments.
Example 1:
fig. 1 shows a schematic structural diagram of the light-emitting key device in the present embodiment. As shown in fig. 1, the light-emitting key device includes two parts, a key 1 and a light guide member 2. The light guide component 2 is sleeved on the periphery of the key.
Fig. 2 shows a schematic structural diagram of a key.
Fig. 3 shows a front view of the key.
As shown in fig. 2 and 3, the key 1 includes a support plate 11, a circular key cap 12, a first elastic support 13, a second elastic support 14, and a contact 15.
The supporting plate 11 is a horizontal supporting plate for supporting the whole key structure.
The first and second elastic brackets 13 and 14 are provided at both ends of the support plate 11 and are perpendicular to the support plate 11. The upper connecting ends of the first elastic support 13 and the second elastic support 14 are respectively fixedly connected with two sides of the rear end face of the keycap 12. The first elastic support 13 and the second elastic support have different thicknesses, wherein the thickness of the first elastic support 13 is smaller than the thickness of the second elastic support. The shapes of the first elastic support 13 and the second elastic support 14 are not limited in the invention, and the shape that one side of the elastic support deforms earlier than the other side of the elastic support when the keycap is pressed can be used for realizing the invention as long as the two supports can support the keycap and the thicknesses of the two supports are different.
The contact 15 is rigidly connected to the rear end face of the key cap 12 and is vertically fixed to the rear end face of the key cap 12, and the mounting position of the contact is close to the connection position of the upper connection end of the first elastic support 13 and the key cap 12. When the front end face of the keycap 12 is pressed, the contact 15 moves along the direction of the force applied to the front end face of the keycap 12 to contact a tact switch which is conducted by a control circuit in the electrical equipment. Preferably, in this embodiment, the cross-section of the contact 15 is "cross-shaped". The shape of the contact 15 is cross-shaped, which is beneficial to increase the contact area with the tact switch. The shape of the contact 15 is merely exemplary, and the shape of the contact 15 of the present invention is not limited to the "cross" shape, and any shape that can increase the contact area between the contact 15 and the tact switch can be used to implement the present invention.
Further, a baffle 16 and a positioning slot 17 are arranged on the supporting plate 11. Baffle 16 sets up in the upper surface of backup pad 11 and perpendicular with the upper surface of backup pad 11, and baffle 16 preceding terminal surface and the preceding terminal surface of backup pad 11 are at same vertical face for when the button is installed in electrical equipment inside with the internal surface laminating of electrical equipment casing, wherein, the preceding terminal surface of baffle and the preceding terminal surface of backup pad are just to the terminal surface of reader in the button elevation view of figure 3, the terminal surface relative with preceding terminal surface is the rear end face. The positioning groove 17 is a U-shaped hole for positioning when the support plate 11 is installed.
In this embodiment, the supporting plate 11, the key cap 12, the first elastic support 13, the second elastic support 14 and the contact 15 of the key are made of transparent materials. The front end face of the keycap 12 is painted, and the paint color is silver or other colors. The key cap 12 central authorities mark the power symbol, and the power symbol adopts radium carving mode sculpture. Since the key cap 12 is made of transparent material, when the light emitting diode inside the electrical appliance emits light, the power source symbol on the key cap 12 emits light. The power source symbol marked in the center of the key cap 12 is merely exemplary, and the symbol marked in the center of the key cap 12 may be changed according to the needs of the user. Carving different symbols in the center of the keycap 12 in a laser carving mode is prior art and is not described herein.
Fig. 4 shows a schematic structural diagram of a light guide assembly in embodiment 1. As shown in fig. 4, the light guide assembly 2 includes a first light guide 21 and a light guide holder 22.
In this embodiment, the first light guide pillar 21 is an annular light guide pillar. The front end face (set up in the terminal surface of electrical equipment surface) of first light guide column 21 is in same vertical face with the preceding terminal surface of key cap 12, and the rear end face (the terminal surface that extends into electrical equipment inside) of first light guide column 21 extends to electrical equipment inside and is close to with the emitting diode on the electrical equipment internal circuit board, and first light guide column 21 is used for the preceding terminal surface of light-emitting diode's the light-emitting through the rear end face conduction of first light guide column 21 to first light guide column 21 is luminous. Wherein,
the light guide pillar support 22 is disposed on two sides of the first light guide pillar 21, and a supporting surface thereof is attached to and fixedly connected with an outer surface of the first light guide pillar 21 for supporting the first light guide pillar 21. The axis of the first light guide 21 is perpendicular to the light guide holder 22.
In this embodiment, the first light guide pillar 21 is annular to match the circular key cap 12. However, the first light guide pillar 21 is set to be ring-shaped, which is only an example, and any shape of light guide pillar that can be set on the periphery of the key cap 12 and can guide light can be used to implement the present invention.
Further, the light guide post bracket 22 is further provided with a light isolation hole 23 and a positioning plate 24.
The light isolation holes 23 are located on two sides of the first light guide column 21 and used for preventing light rays emitted by a plurality of light emitting diodes arranged on an internal circuit board of the electrical equipment from interfering with the first light guide column 21.
Positioning plates 24 are disposed on both sides of light guide bar support 22. When the light guide post bracket 22 is installed inside the electrical equipment, the installation position of the light guide post bracket 22 can be quickly positioned by the positioning plate 24.
The working principle of the present invention is explained in detail below.
When the front end face of the keycap 12 is pressed hard, the first elastic support 13 with smaller thickness is deformed first because the thickness of the first elastic support 13 is different from that of the second elastic support 14, so that the contact close to the first elastic support 13 extends forwards to close the tact switch for switching on the control circuit, and the circuit of the electrical equipment is switched on. After the circuit of the electrical equipment is conducted, the light emitting diode arranged on the circuit board inside the electrical equipment works, and as the first light guide column 21 and the rear end face of the light emitting diode are adjacent to each other, the first light guide column 21 guides the light sent by the light emitting diode to the front end face of the first light guide column 21, the periphery of the keycap 12 emits light, thereby achieving the indicating function.
Example 2:
the structure of the light-emitting key device in this embodiment is similar to that of the light-emitting key device in embodiment 1, and the difference is that the structure of the light guide assembly is different. Fig. 5 shows a schematic structural diagram of the light guide member 2 in embodiment 2. As shown in FIG. 5, the light guide assembly 2 further includes a second light guide 26 and a third light guide 25. The second light guide column 26 and the third light guide column 25 are both disposed on the rear end face of the light guide column support 22, and the first light guide column 21, the third light guide column 25 and the second light guide column 26 are disposed in parallel. Light isolation holes 23 are formed on two sides of the first light guide column 21 and between the second light guide column 26 and the third light guide column 25.
The front end surfaces of the second light guide column 26 and the third light guide column 25 and the front end surface of the first light guide column 21 (defined as the same as the front end surface of the first light guide column) are located on the same vertical plane, and the rear end surfaces of the second light guide column 26 and the third light guide column 25 are respectively close to different light emitting diodes or other light emitting devices inside the electrical equipment.
The operating principle of the light-emitting key device in this embodiment is the same as that in embodiment 1, and when the front end surface of the keycap 12 is pressed hard, the contact extends forward to close the tact switch for conducting the control circuit, so that the circuit of the electrical equipment is conducted. After the internal circuit of the electrical equipment is switched on, the light emitting diode or other light emitting devices emit light, and the first light guide column 21, the second light guide column 26 and the third light guide column 25 all emit light, so that the indicating function is achieved.
Since the light-emitting key device in this embodiment has a plurality of light guide posts, the light-emitting key device in this embodiment is suitable for electrical equipment with a plurality of indication functions.
The light-emitting key device in the invention conducts the light emitted by the existing light-emitting device in the electrical equipment to the front end surface of the first light guide column 21 through the first light guide column 21 to enable the key to emit light, thereby achieving the indicating function.
According to another aspect of the present invention, there is provided an electric appliance using the light-emitting key device of the present invention.
Fig. 6 shows an external configuration diagram of the electric appliance.
Fig. 7 is a schematic view showing a structure of an electrical appliance in which a circuit board is not mounted.
Fig. 8 is a schematic view showing a structure of a built-in circuit board inside an electric appliance.
As shown in fig. 6, 7 and 8, the electric apparatus includes a lower case 30, an upper case 31, a light-emitting key device 32 and a circuit board 33. The light-emitting key device 32 has the structure of the light-emitting key device 32 in embodiment 2. The second light guide 26 and the third light guide 25 on the light guide holder 22 in the light-emitting key device 32 can be used as indicators for other functions. If the electric appliance has only one light-emitting key device 32 and no other indicator light, the structure of the light-emitting key device 32 in embodiment 1 is adopted.
As shown in fig. 7, the electrical apparatus is provided with a fixing plate 34, a positioning rib 35 and a hook 36. The fixing plate 34 is fixed to the inner surface of the lower case 30 of the electric appliance. The positioning ribs 35 are fixed to the upper surface of the fixing plate 34 and are perpendicular to the fixing plate 34. The supporting plate 11 is fixed in the front-back direction (referring to the front view of the electrical equipment) by the positioning groove 17 sleeved on the positioning rib 35.
The hook 36 is disposed on the inner surface of the front housing of the electrical device, and is used to clamp the positioning plates 24 on both sides of the light guide pillar bracket 22, so as to fix the light guide pillar bracket 22 in the left-right direction (refer to the direction of the front view of the electrical device).
The light-emitting key device 32 can be firmly fixed inside the electrical equipment by the fixing plate 34, the positioning rib 35 and the hook 36.
As shown in fig. 8, a touch switch 37, a first light emitting diode 38, a second light emitting diode 39, and a remote control emitting head 40 are disposed on the circuit board 33 of the electrical apparatus. The contact 15 is opposite to the tact switch 37; the first light emitting diode 38 is arranged opposite to the annular first light guide column 21; the third light guide pillar 25 is opposite to the remote control transmitting head 40; the second light guide 26 is opposite to the second light emitting diode 39. When the key cap 12 is pressed down, the contact 15 touches the tact switch 37 to conduct the circuit of the electrical equipment, and then the first light emitting diode 38, the second light emitting diode 39 and the remote control emitting head 40 emit light, so that the annular first light guide column 21, the annular third light guide column 25 and the annular second light guide column 26 emit light, and the indicating function is achieved. The positions of the first led 38, the second led 39, and the remote control head 40 shown in fig. 8 are only exemplary, and all the installation positions that can guide the light of the annular first light guide column 21, the annular third light guide column 25, and the annular second light guide column 26 fall within the scope of the present invention.
Further, the upper case 31 of the electrical apparatus is further provided with a rib 41. Fig. 9 is a partial schematic structural view of the upper case 31, as shown in fig. 9. The barrier rib 41 is fixed to the top of the upper case 31. In the invention, the blocking rib 41 is arranged at the rear end of the keycap 12, and the blocking rib 41 can be propped by the keycap 12 after a user presses a certain stroke, so that the stop is realized, and the light-emitting key device 32 is prevented from being damaged due to excessive force applied by the user.
The electrical equipment in the invention can be IPTV, set-top box, TV, DVD and other electrical equipment.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (16)

1. A luminous key device is characterized by comprising a key and a light guide component, wherein,
the key comprises a keycap and a contact rigidly connected with the keycap, and the contact moves along the direction of stress of the front end face of the keycap when the front end face of the keycap is pressed;
the light guide assembly comprises a first light guide column and a light guide column bracket,
the light guide column bracket is arranged at the periphery of the first light guide column and used for fixing the first light guide column;
the first light guide column accommodates the keycap, and the rear end face of the first light guide column is close to the light-emitting device inside the electrical equipment and used for conducting light emitted by the light-emitting device;
the key also comprises a supporting plate, a first elastic bracket and a second elastic bracket, wherein,
the first elastic support and the second elastic support are arranged at two ends of the supporting plate and are vertical to the supporting plate, and the upper connecting ends of the first elastic support and the second elastic support are respectively fixedly connected with two sides of the rear end face of the keycap;
the thickness of the first elastic support is smaller than that of the second elastic support.
2. The illuminated key device according to claim 1, wherein said contact is mounted near a junction of an upper connection end of said first resilient support and said key cap.
3. The illuminated key device according to claim 1, wherein said support plate is provided with a baffle:
the baffle is arranged on the upper surface of the supporting plate and is vertical to the upper surface of the supporting plate; the front end face of the baffle and the front end face of the supporting plate are on the same vertical face.
4. The illuminated key device according to claim 1 or 3, wherein said supporting plate is further provided with a positioning groove:
the locating slot is a U-shaped hole and is used for locating when the supporting plate is installed.
5. The illuminated key device according to claim 1, wherein a second light guide and a third light guide are further provided on said light guide holder,
the second light guide column and the third light guide column are arranged on the rear end face of the light guide column support, and the first light guide column, the second light guide column and the third light guide column are arranged in parallel.
6. The illuminated key device according to claim 5, wherein said light guide pillar support is formed with a light blocking hole,
the light isolation hole is located between two sides of the first light guide column and the second light guide column and between the second light guide column and the third light guide column and used for preventing light rays emitted by a plurality of light emitting devices in the electrical equipment from carrying out light ray interference on the first light guide column, the second light guide column and the third light guide column.
7. The illuminated key device according to claim 1, 5 or 6, wherein a positioning plate is provided on said light guide pillar support,
the positioning plates are arranged on two sides of the light guide column support and used for positioning the installation position of the light guide column support inside the electrical equipment.
8. The illuminated key device of claim 1, wherein the key cap is a circular key cap and the first light guide is an annular light guide.
9. The illuminated key device according to claim 1 or 2, wherein said contact has a cross-section.
10. An electrical equipment, comprising an upper shell, a lower shell and a circuit board arranged in the lower shell, wherein the circuit board is provided with a light-emitting device and a light-touch switch for controlling the conduction of a circuit, and is characterized in that the electrical equipment also comprises a fixing plate and a light-emitting key device,
the fixing plate is fixed on the inner surface of the lower shell of the electrical equipment and used for fixing the light-emitting key device;
the light-emitting key device comprises a key and a light guide component,
the key comprises a keycap and a contact rigidly connected with the keycap, and the contact moves to the light-touch switch along the direction of the stress of the front end face of the keycap when the front end face of the keycap is pressed;
the light guide assembly comprises a first light guide column and a light guide column bracket,
the light guide column bracket is arranged at the periphery of the first light guide column and used for fixing the first light guide column;
the first light guide column accommodates the keycap, and the rear end surface of the first light guide column is adjacent to the light-emitting device on the circuit board and used for conducting light emitted by the light-emitting device;
the key in the luminous key device also comprises a supporting plate, a first elastic bracket and a second elastic bracket, wherein the fixing plate is provided with a positioning rib,
the supporting plate is provided with a positioning groove, and the positioning groove is sleeved on the positioning rib and used for fixing the light guide assembly in the front and back directions;
the first elastic support and the second elastic support are arranged at two ends of the supporting plate and are vertical to the supporting plate, and the upper connecting ends of the first elastic support and the second elastic support are respectively fixedly connected with two sides of the rear end face of the keycap;
the first elastic support and the second elastic support are different in thickness, and the thickness of the first elastic support is smaller than that of the second elastic support.
11. The electrical apparatus of claim 10, wherein the contact is mounted proximate to where the upper connection end of the first resilient support is coupled to the keycap.
12. The electrical apparatus of claim 10, wherein the support plate further comprises a baffle plate,
the baffle is arranged on the upper surface of the supporting plate and is vertical to the upper surface of the supporting plate; the front end face of the baffle and the front end face of the supporting plate are on the same vertical face.
13. The electrical apparatus of claim 10, wherein the rear end surface of the light guide pillar holder is provided with a second light guide pillar and a third light guide pillar, and the circuit board is provided with a first light emitting diode, a second light emitting diode, and a remote control emitter, wherein,
the first light emitting diode is arranged opposite to the first light guide column; the second light guide column is opposite to the second light emitting diode; the third light guide column is opposite to the remote control transmitting head.
14. The electrical apparatus of claim 13, wherein the light guide post holder is formed with a light blocking hole,
the light isolation hole is located between the two sides of the first light guide column and the third light guide column and between the third light guide column and the second light guide column and used for preventing light rays emitted by a plurality of light emitting devices in the electrical equipment from carrying out light ray interference on the first light guide column, the second light guide column and the third light guide column.
15. The electrical equipment of claim 10, 13 or 14, wherein the light guide pillar support is provided with a positioning plate, the electrical equipment is internally provided with a hook,
the locating plate sets up in the both sides of leaded light post support, the trip with the locating plate block for realize that leaded light subassembly is fixed in left and right directions.
16. The electrical apparatus of claim 10, wherein the upper shell further comprises a retaining rib,
the blocking rib is arranged at the rear end of the keycap, fixed at the top of the upper shell and used for stopping when the keycap is pressed into a certain stroke.
CN201310016162.XA 2013-01-16 2013-01-16 Luminous key device and electric equipment Active CN103077840B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310016162.XA CN103077840B (en) 2013-01-16 2013-01-16 Luminous key device and electric equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310016162.XA CN103077840B (en) 2013-01-16 2013-01-16 Luminous key device and electric equipment

Publications (2)

Publication Number Publication Date
CN103077840A CN103077840A (en) 2013-05-01
CN103077840B true CN103077840B (en) 2015-09-30

Family

ID=48154339

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310016162.XA Active CN103077840B (en) 2013-01-16 2013-01-16 Luminous key device and electric equipment

Country Status (1)

Country Link
CN (1) CN103077840B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105714519B (en) * 2014-12-03 2018-06-26 无锡小天鹅股份有限公司 Washing machine
CN105655171B (en) * 2016-02-05 2017-12-29 苏州达方电子有限公司 Luminous button structure
CN206178862U (en) * 2016-08-12 2017-05-17 广东欧珀移动通信有限公司 Fingerprint button, luminous suggestion structure and terminal equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101034636A (en) * 2006-03-10 2007-09-12 鸿富锦精密工业(深圳)有限公司 Electronic device and its light conduction pole
CN101197218A (en) * 2006-12-08 2008-06-11 群康科技(深圳)有限公司 LCD device
CN101397747A (en) * 2007-09-30 2009-04-01 海尔集团公司 Display apparatus of washing machine
CN201364829Y (en) * 2009-01-08 2009-12-16 深圳市同洲电子股份有限公司 Key structure with light guide ring and terminal equipment applying same
CN102034628A (en) * 2009-09-28 2011-04-27 纬创资通股份有限公司 Key structure with light transmission and relevant electronic device thereof
CN203165738U (en) * 2013-01-16 2013-08-28 青岛海信宽带多媒体技术有限公司 Illuminating press key apparatus and electrical equipment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009037763A (en) * 2007-07-31 2009-02-19 Ntt Docomo Inc Illuminated switch and illuminated switch unit

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101034636A (en) * 2006-03-10 2007-09-12 鸿富锦精密工业(深圳)有限公司 Electronic device and its light conduction pole
CN101197218A (en) * 2006-12-08 2008-06-11 群康科技(深圳)有限公司 LCD device
CN101397747A (en) * 2007-09-30 2009-04-01 海尔集团公司 Display apparatus of washing machine
CN201364829Y (en) * 2009-01-08 2009-12-16 深圳市同洲电子股份有限公司 Key structure with light guide ring and terminal equipment applying same
CN102034628A (en) * 2009-09-28 2011-04-27 纬创资通股份有限公司 Key structure with light transmission and relevant electronic device thereof
CN203165738U (en) * 2013-01-16 2013-08-28 青岛海信宽带多媒体技术有限公司 Illuminating press key apparatus and electrical equipment

Also Published As

Publication number Publication date
CN103077840A (en) 2013-05-01

Similar Documents

Publication Publication Date Title
US10910172B2 (en) Thin photoelectric mechanical keyboard switch
CN103077840B (en) Luminous key device and electric equipment
US20120061227A1 (en) Structure of press switch
MXPA03009003A (en) Remote diagnostic unit enclosure assembly.
CN105374605B (en) Combined key light guide control board
CN203165738U (en) Illuminating press key apparatus and electrical equipment
CN201804749U (en) Touch key and terminal device
CN107230574B (en) Push switch structure
JP4843730B1 (en) TV, electronics
CN209981068U (en) High-balance key and keyboard
CN218123275U (en) Key indicator light device and electrical equipment
CN205104401U (en) Tape light dab switch
CN218096817U (en) Control panel assembly and electrical equipment
CN220491776U (en) Light guide key
CN204632635U (en) Luminous key device and comprise its electric equipment
CN221040876U (en) Switch and electronic equipment
CN215220566U (en) Switch indicating device of desktop socket
CN214848295U (en) Light guide key
CN220102944U (en) Interactive device and control cabinet
CN216929998U (en) Touch button and refrigerator
CN102905184A (en) Remote control for elderly people
CN217820544U (en) Universal meter pen and pen type universal meter
CN110137016B (en) High balance key and keyboard
CN220138179U (en) Key light guide device and electronic equipment
CN214999333U (en) Bulb of electronic gear shifter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant