CN211429559U

CN211429559U - Push-button light modulator

Info

Publication number: CN211429559U
Application number: CN201922493743.8U
Authority: CN
Inventors: 张文龙; 叶志坚; 刘小瑶
Original assignee: Xiamen Tenia Lighting & Electrical Co ltd
Current assignee: Xiamen Tenia Lighting & Electrical Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-09-04
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a key-type dimmer, which comprises a key panel, a fixed aluminum plate, a rear shell, a first PCB board provided with a key component and a third PCB board provided with a driving component; the first PCB is arranged on the fixed aluminum plate, and the key panel covers the first PCB; the third PCB is accommodated in a space surrounded by the rear shell and the fixed aluminum plate; the third PCB is provided with a switch elastic sheet, the key panel is provided with a switch rod, and the bottom of the switch rod is matched with the switch elastic sheet; the third PCB board with be connected through two support columns between the fixed aluminum plate to guarantee the depth of parallelism between third PCB board and the fixed aluminum plate, make switch lever and switch shell fragment be in stable cooperation relation. The utility model can ensure the stability of the switch between open and close; the key has more rebound resilience, abnormal sound of the key can be eliminated, and the light of the indicator light of the key can be softer without dazzling.

Description

Push-button light modulator

Technical Field

The utility model relates to an electrical equipment technical field especially relates to a button light modulator.

Background

A dimmer is an electrical device for changing the luminous flux of a light source in a lighting device and adjusting the illumination level, and the basic principle of the dimmer is to change the effective value of the current input to the light source so as to achieve the purpose of dimming. A button dimmer of prior art mainly includes key panel, fixed aluminum plate, backshell, is equipped with the first PCB board of button subassembly, is equipped with bluetooth module's second PCB board and is equipped with drive assembly's third PCB board. Such prior art dimmers suffer from the following drawbacks:

1. the third PCB board is usually adorned at fixed aluminum plate's back, a switch shell fragment for controlling drive assembly work is adorned on the third PCB board, the switch lever is then adorned on key panel, key panel fixes on fixed aluminum plate, cooperation through switch lever and switch shell fragment, realize switch disconnection and closed control, because the error of installation, nonparallel can appear between third PCB board and the fixed aluminum plate, just so can't guarantee that switch lever and switch shell fragment are in suitable cooperation position, just also can't guarantee switch disconnection and closed stability.

2. The first PCB is arranged in front of the fixed aluminum plate, and the key panel covers the first PCB, so that the structure is easy to cause abnormal sound of the key and is also easy to cause clamping stagnation when the key rebounds; moreover, the light of the key indicator lamp is directly transmitted out and is dazzling.

3. The gap between the MOS tube installed on the third PCB and the temperature switch is large, and accurate control cannot be realized.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a key-type dimmer, which can ensure the stability of the on-off and on-off of a switch through the structural improvement; on the other hand, the key has more resilience, abnormal sound of the key can be eliminated, and the light of the indicator light of the key can be softer without dazzling.

The utility model provides a technical scheme that its technical problem adopted is: a key-type dimmer comprises a key panel, a fixed aluminum plate, a rear shell, a first PCB board provided with a key assembly and a third PCB board provided with a driving assembly; the first PCB is arranged on the fixed aluminum plate, the key panel covers the first PCB, and the bottom of the key panel is fixed with the fixed aluminum plate; the rear shell is arranged below the fixed aluminum plate; the third PCB is accommodated in a space surrounded by the rear shell and the fixed aluminum plate; the third PCB is provided with a switch elastic sheet, the key panel is provided with a switch rod, and the bottom of the switch rod is matched with the switch elastic sheet; the third PCB board with be connected through two at least support columns between the fixed aluminum plate to guarantee the depth of parallelism between third PCB board and the fixed aluminum plate, make switch lever and switch shell fragment be in stable cooperation relation.

Furthermore, the button-type dimmer also comprises a second PCB board provided with a Bluetooth module, and the second PCB board is arranged above and approximately vertical to a third PCB board.

Threaded holes are respectively formed in two ends of the supporting column, and the fixed aluminum plate is screwed and fixed with the threaded hole in one end of the supporting column through a first screw; and the third PCB is screwed and connected with the threaded hole at the other end of the supporting column through a second screw and is fixed.

The one end of support column is equipped with the screw hole, and the other end is equipped with the dop, fixed aluminum plate with one of them of third PCB board connects soon through the screw and the one end screw hole of support column mutually fixed, fixed aluminum plate with wherein another of third PCB board is fixed mutually with the dop joint of the other end of support column.

And a silica gel sheet is also arranged between the key panel and the first PCB.

The first PCB is provided with a plurality of indicator lamps, the key panel is provided with a plurality of indicator lamp holes corresponding to the indicator lamps of the first PCB, and the silica gel sheet is arranged between the indicator lamp holes of the key panel and the indicator lamps of the first PCB.

The bottom of silica gel piece is equipped with a plurality of round pin post connection feet, be equipped with corresponding first jack on the first PCB board, fixed aluminum plate is equipped with corresponding second jack, the round pin post connection foot of silica gel piece is pegged graft and is cooperated in the first jack of first PCB board and fixed aluminum plate's second jack, make the silica gel piece with first PCB board, fixed aluminum plate are fixed mutually.

The driving assembly comprises an MOS tube, the MOS tube is arranged on the third PCB, an elastic sheet body is arranged beside the MOS tube, and the temperature switch is clamped between the MOS tube and the elastic sheet body.

The fixed aluminum plate further extends downwards to be provided with a lug formed in a stamping mode, and when the fixed aluminum plate is fixed with the third PCB, the lug is attached to the back face of the MOS tube of the third PCB so as to be beneficial to heat dissipation of the MOS tube.

The upper part of the switch rod is movably arranged on the key panel up and down so as to be inserted into the switch elastic sheet when the switch rod moves downwards, and the switch rod leaves the switch elastic sheet when the switch rod moves upwards.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model adopts the structure that the third PCB is provided with the switch elastic sheet, the key panel is provided with the switch rod, and the bottom of the switch rod is matched with the switch elastic sheet; the third PCB board with be connected through two support columns between the fixed aluminum plate to guarantee the depth of parallelism between third PCB board and the fixed aluminum plate, make switch lever and switch shell fragment be in stable cooperation relation. The utility model discloses a this kind of structure makes fixed aluminum plate and third PCB board keep parallel, guarantees the relative position of switch lever and switch shell fragment simultaneously, ensures switch shell fragment disconnection and closed stability.

2. The utility model discloses owing to adopted at key panel with still be equipped with the silica gel piece between the first PCB board, and the bottom of silica gel piece is equipped with a plurality of round pin post connection feet, be equipped with corresponding first jack on the first PCB board, fixed aluminum plate is equipped with corresponding second jack, the cooperation of round pin post connection foot joint of silica gel piece is in the first jack of first PCB board and fixed aluminum plate's second jack, make the silica gel piece with first PCB board, fixed aluminum plate are fixed mutually. The structure of the utility model enables the key to have more rebound resilience and can also eliminate abnormal sound of the key; the silica gel piece diffuses the light of the indicator light, and the silica gel piece can guide the light of the indicator light into the indicator hole on the key panel, so that the light is softer and is not dazzling;

3. the utility model discloses owing to adopted the next door at MOS pipe to be equipped with the elastic sheet body, temperature switch presss from both sides between MOS pipe and elastic sheet body. The utility model discloses a this kind of structure, the design of shell fragment makes the stationary glue before solidifying, can press from both sides the tight MOS pipe back of pressing close to of temperature switch, prevents to produce too big clearance between temperature switch and MOS pipe.

4. The utility model discloses owing to adopted and attached at MOS pipe back at fixed aluminum plate punching press auricle card, be favorable to the heat dissipation of MOS pipe, improve the operating performance of system.

The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment.

Drawings

FIG. 1 is a structural cross-sectional view of an embodiment of the present invention;

fig. 2 is an exploded perspective view of an embodiment of the present invention;

fig. 3 is a schematic view of the fitting between the fixed aluminum plate and the support column according to the embodiment of the present invention;

fig. 4 is a schematic view of the silicone sheet, the first PCB and the fixing aluminum plate according to the embodiment of the present invention;

fig. 5 is a schematic view of a first assembly part formed by combining the silicone sheet, the first PCB and the fixing aluminum plate according to an embodiment of the present invention;

fig. 6 is a schematic diagram of the MOS transistor and the third PCB according to the embodiment of the present invention;

fig. 7 is a schematic diagram of the first assembly and the third PCB of the embodiment of the present invention;

fig. 8 is a schematic diagram of a switch closure of an embodiment of the present invention;

fig. 9 is a schematic diagram of the switch of the embodiment of the present invention being turned off.

Detailed Description

Examples

Referring to fig. 1 to 9, a key-type dimmer of the present invention includes a key panel 1, a fixed aluminum plate 2, a rear case 3, a first PCB 4 with a key assembly, and a third PCB 5 with a driving assembly; the first PCB 4 is arranged on the fixed aluminum plate 2, the key panel 1 covers the first PCB 4, and the bottom of the key panel 1 is fixed with the fixed aluminum plate 2; the rear shell 3 is arranged below the fixed aluminum plate 2; the third PCB 5 is accommodated in a space surrounded by the rear shell 3 and the fixed aluminum plate 2; the third PCB 5 is provided with a switch elastic sheet 51 for controlling the driving assembly to work, the key panel 1 is provided with a switch rod 21, and the bottom of the switch rod 21 is matched with the switch elastic sheet 51; the third PCB board 5 with be connected through two support columns 6 between the fixed aluminum plate 2 to guarantee the depth of parallelism between third PCB board 5 and the fixed aluminum plate 2, make switch lever 21 and switch shell fragment 51 be in stable cooperation relation.

Further, the push-button dimmer further comprises a second PCB 7 provided with a bluetooth module, wherein the second PCB 7 is arranged above the third PCB 5 and is approximately perpendicular to the third PCB 5.

In this embodiment, two ends of the support column 6 are respectively provided with a threaded hole 61, and the fixed aluminum plate 2 is screwed and fixed with the threaded hole 61 at one end of the support column 6 through a first screw; and the third PCB 5 is screwed and fixed with the threaded hole at the other end of the support column 6 through a second screw.

Of course, another scheme is also possible, the one end of support column is equipped with the screw hole, and the other end is equipped with the dop, fixed aluminum plate with one of them of third PCB board connects soon through the screw with the one end screw hole of support column and fixes mutually, fixed aluminum plate with wherein another of third PCB board is fixed mutually with the dop joint of the other end of support column.

In this embodiment, a silicone sheet 8 is further installed between the key panel 1 and the first PCB 4.

The first PCB is provided with a plurality of indicator lamps 42, the key panel 1 is provided with a plurality of indicator lamp holes 11 corresponding to the indicator lamps of the first PCB, and the silica gel sheet 8 is arranged between the indicator lamp holes of the key panel and the indicator lamps of the first PCB and used for guiding the light of the indicator lamps 42 on the first PCB to the indicator lamp holes 11 of the key panel.

In this embodiment, the bottom of silica gel piece 8 is equipped with 4 round pin post connection feet 81, be equipped with corresponding first jack 41 on the first PCB board 4, fixed aluminum plate 2 is equipped with corresponding second jack 23, the round pin post connection foot 81 of silica gel piece 8 is pegged graft and is cooperated in first jack 41 of first PCB board 4 and fixed aluminum plate 2's second jack 23, make silica gel piece 8 with first PCB board 4, fixed aluminum plate 2 are fixed mutually.

In this embodiment, the driving assembly includes a MOS transistor 52, the MOS transistor 52 is mounted on the third PCB 5, an elastic sheet 53 is mounted beside the MOS transistor 52, and a temperature switch 54 is sandwiched between the MOS transistor 52 and the elastic sheet 53.

In this embodiment, the fixed aluminum plate 2 further extends downward to be provided with a lug 22 formed by stamping, and when the fixed aluminum plate 2 is fixed to the third PCB 5, the lug 22 is attached to the back of the MOS transistor 52 of the third PCB 5, so as to facilitate heat dissipation of the MOS transistor 52.

In this embodiment, the upper portion of the switch lever 21 is movably installed on the key panel 1 up and down to be inserted into the switch elastic sheet 51 when the switch lever 21 moves down, and to be separated from the switch elastic sheet 51 when the switch lever 21 moves up.

The utility model discloses a key-type dimmer, which adopts the structure that a switch elastic sheet 51 is arranged on a third PCB 5, a switch rod 21 is arranged on a key panel 1, and the bottom of the switch rod 21 is matched with the switch elastic sheet 51; the third PCB board 5 with be connected through two support columns 6 between the fixed aluminum plate 2 to guarantee the depth of parallelism between third PCB board 5 and the fixed aluminum plate 2, make switch lever 21 and switch shell fragment 51 be in stable cooperation relation. The utility model discloses a this kind of structure makes fixed aluminum plate 2 and third PCB board 5 keep parallel, guarantees switch lever 21 and switch shell fragment 51's relative position simultaneously, ensures switch shell fragment disconnection and closed stability.

The utility model discloses a key-type dimmer, adopted at keypad 1 with still be equipped with silica gel piece 8 between the first PCB board 4, and the bottom of silica gel piece 8 is equipped with 4 round pin column connection feet 81, be equipped with corresponding first jack 41 on the first PCB board 4, fixed aluminum plate 2 is equipped with corresponding second jack 23, the cooperation of round pin column connection foot 81 joint of silica gel piece 8 is in the first jack 41 of first PCB board 4 and the second jack 23 of fixed aluminum plate 2 make silica gel piece 8 with first PCB board 4, fixed aluminum plate 2 are fixed mutually. The structure of the utility model enables the key to have more rebound resilience and can also eliminate abnormal sound of the key; the silica gel piece diffuses the light of the indicator light, and the silica gel piece can guide the light of the indicator light into the indicator hole on the key panel, so that the light is softer and is not dazzling;

the utility model discloses a key-type dimmer has adopted and has been equipped with elastic sheet body 53 on MOS pipe 52's next door, and temperature switch 54 presss from both sides between MOS pipe 52 and elastic sheet body 53. The utility model discloses a this kind of structure, the design of shell fragment makes the stationary glue before solidifying, can press from both sides the tight MOS pipe back of pressing close to of temperature switch, prevents to produce too big clearance between temperature switch and MOS pipe.

The utility model discloses a key-type dimmer has adopted and has gone out auricle 22 card at fixed aluminum plate 2 punching presses and attach at the MOS pipe 52 back, is favorable to MOS pipe 52's heat dissipation, improves the operating performance of system.

The utility model discloses a key-type light modulator, when key-type light modulator installed, was installed fixed aluminum plate 2 on the fixture that corresponds, but fixed aluminum plate 2 horizontal installation, also vertical installation.

The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. A key-type dimmer comprises a key panel, a fixed aluminum plate, a rear shell, a first PCB board provided with a key assembly and a third PCB board provided with a driving assembly; the first PCB is arranged on the fixed aluminum plate, the key panel covers the first PCB, and the bottom of the key panel is fixed with the fixed aluminum plate; the rear shell is arranged below the fixed aluminum plate; the third PCB is accommodated in a space surrounded by the rear shell and the fixed aluminum plate; the method is characterized in that: the third PCB is provided with a switch elastic sheet, the key panel is provided with a switch rod, and the bottom of the switch rod is matched with the switch elastic sheet; the third PCB board with be connected through two at least support columns between the fixed aluminum plate to guarantee the depth of parallelism between third PCB board and the fixed aluminum plate, make switch lever and switch shell fragment be in stable cooperation relation.

2. The push-button dimmer of claim 1, wherein: furthermore, the button-type dimmer also comprises a second PCB board provided with a Bluetooth module, and the second PCB board is arranged above and approximately vertical to a third PCB board.

3. The push-button dimmer according to claim 1 or 2, wherein: threaded holes are respectively formed in two ends of the supporting column, and the fixed aluminum plate is screwed and fixed with the threaded hole in one end of the supporting column through a first screw; and the third PCB is screwed and connected with the threaded hole at the other end of the supporting column through a second screw and is fixed.

4. The push-button dimmer according to claim 1 or 2, wherein: the one end of support column is equipped with the screw hole, and the other end is equipped with the dop, fixed aluminum plate with one of them of third PCB board connects soon through the screw and the one end screw hole of support column mutually fixed, fixed aluminum plate with wherein another of third PCB board is fixed mutually with the dop joint of the other end of support column.

5. The push-button dimmer according to claim 1 or 2, wherein: and a silica gel sheet is also arranged between the key panel and the first PCB.

6. The push-button dimmer of claim 5, wherein: the first PCB is provided with a plurality of indicator lamps, the key panel is provided with a plurality of indicator lamp holes corresponding to the indicator lamps of the first PCB, and the silica gel sheet is arranged between the indicator lamp holes of the key panel and the indicator lamps of the first PCB.

7. The push-button dimmer of claim 5, wherein: the bottom of silica gel piece is equipped with a plurality of round pin post connection feet, be equipped with corresponding first jack on the first PCB board, fixed aluminum plate is equipped with corresponding second jack, the round pin post connection foot of silica gel piece is pegged graft and is cooperated in the first jack of first PCB board and fixed aluminum plate's second jack, make the silica gel piece with first PCB board, fixed aluminum plate are fixed mutually.

8. The push-button dimmer according to claim 1 or 2, wherein: the driving assembly comprises an MOS tube, the MOS tube is arranged on the third PCB, an elastic sheet body is arranged beside the MOS tube, and the temperature switch is clamped between the MOS tube and the elastic sheet body.

9. The push-button dimmer of claim 8, wherein: the fixed aluminum plate further extends downwards to be provided with a lug formed in a stamping mode, and when the fixed aluminum plate is fixed with the third PCB, the lug is attached to the back face of the MOS tube of the third PCB so as to be beneficial to heat dissipation of the MOS tube.

10. The push-button dimmer according to claim 1 or 2, wherein: the upper part of the switch rod is movably arranged on the key panel up and down so as to be inserted into the switch elastic sheet when the switch rod moves downwards, and the switch rod leaves the switch elastic sheet when the switch rod moves upwards.