CN215212823U - Remote control key - Google Patents
Remote control key Download PDFInfo
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- CN215212823U CN215212823U CN202120504947.1U CN202120504947U CN215212823U CN 215212823 U CN215212823 U CN 215212823U CN 202120504947 U CN202120504947 U CN 202120504947U CN 215212823 U CN215212823 U CN 215212823U
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Abstract
The utility model discloses a remote control key, this remote control key includes: the device comprises a shell, a lower shell, a light guide ring, a circuit board and a key assembly; the key assembly is arranged on the upper shell; the light guide ring is arranged between the lower shell and the lower shell, and the upper shell, the light guide ring and the lower shell form an accommodating space; the circuit board is accommodated in the accommodating space; the circuit board is provided with at least one light-emitting unit; wherein, the inner surface of the lower shell is provided with a reflecting layer; the light-emitting unit is arranged on the lower surface of the circuit board, so that when the light-emitting unit emits light, the light is refracted to the light guide ring through the light reflecting layer; when the key assembly is touched and pressed, light emitted by the light-emitting unit is refracted to the light guide ring through the light reflecting layer to be uniformly diffused outwards, so that uniform light emission during key pressing of the remote control key is realized, the light prompt effect of the remote control key can be well provided, and the user experience is improved.
Description
Technical Field
The utility model relates to a remote control key field of car especially relates to a remote control key.
Background
The wireless remote control key for automobile is one non-contact electronic controller for driver to open or close the door locking mechanism and is one essential device for high-grade and medium-grade automobile. The device is mainly operated by using a built-in battery for power supply, at least two operation keys are structurally configured for unlocking a door lock, locking and opening a trunk, when the keys are pressed, a circuit board of the automobile wireless remote control key transmits a wireless carrier wave to send an unlocking or locking command to the vehicle-mounted remote control receiver, and the vehicle-mounted remote control receiver controls the unlocking or closing of a door locking mechanism. At present, a signal indicator lamp of an automobile wireless remote control key adopts point type illumination. However, the point-type lighting can only simply indicate whether the signal is sent, the signal prompt is not obvious, and the user experience is poor.
SUMMERY OF THE UTILITY MODEL
To the problem, an object of the utility model is to provide a remote control key, its light prompt effect that can effectively promote remote control key promotes user experience.
In a first aspect, an embodiment of the present invention provides a remote control key, including: the key assembly comprises an upper shell, a lower shell, a light guide ring, a circuit board and a key assembly; the key assembly is arranged on the upper shell; the light guide ring is arranged between the lower shell and the lower shell, and the upper shell, the light guide ring and the lower shell form an accommodating space; the circuit board is accommodated in the accommodating space; the circuit board is provided with at least one light-emitting unit; wherein, the inner surface of the lower shell is provided with a reflecting layer; the light emitting unit is arranged on the lower surface of the circuit board, so that when the light emitting unit emits light, the light is refracted to the light guide ring through the light reflecting layer.
As an improvement of the above scheme, the light guide ring is provided with at least one light guide strip extending inwards, wherein each light guide strip corresponds to one of the light emitting units, and the light guide surface of the light guide strip is opposite to the light emitting surface of the light emitting unit.
As an improvement of the above scheme, the lower housing includes a lower cover and a ceramic bottom cover disposed on a lower surface of the lower cover, and the light reflecting layer is disposed on an inner surface of the lower cover.
As an improvement of the scheme, the outer surface of the lower cover is provided with the light-isolating layer.
As an improvement of the scheme, the inner wall of the lower cover is provided with a damping block, and the circuit board is installed on the damping block.
As an improvement of the above scheme, the upper shell comprises an upper cover and a ceramic surface cover; the middle part of the upper cover is provided with a through hole, and the ceramic surface cover covers the through hole.
As an improvement of the scheme, a waterproof pad is arranged between the upper cover and the control circuit board.
As an improvement of the above scheme, the key assembly includes a first key, a second key, a third key arranged on the ceramic surface cover, and a first micro switch, a second micro switch, a third micro switch, and a fourth micro switch arranged on the circuit board; the first key is positioned in the middle of the ceramic surface cover and is provided with a first touch part, a first touch part arranged at the bottom of the first touch part, a second touch part and a second touch part arranged at the bottom of the second touch part, and the first touch part and the second touch part form a long strip-shaped structure; the second key and the third key are symmetrically arranged at two sides of the first key, the second key is provided with an arc-shaped third touch and press part and a third touch and press part arranged at the bottom of the third touch and press part, and the third key is provided with an arc-shaped fourth touch and press part and a fourth touch and press part arranged at the bottom of the fourth touch and press part; the side surface of the waterproof pad facing the circuit board is provided with a first groove, a second groove, a third groove and a fourth groove; the first microswitch is accommodated in the first groove, the second microswitch is accommodated in the second groove, the third microswitch is accommodated in the third groove, and the fourth microswitch is accommodated in the fourth groove;
when the first touch and press part is in a pressing state, the first touch and press part is in touch and press with the first microswitch through the bottom wall of the first groove;
when the second touch and press part is in a pressing state, the second touch and press part is in touch and press with the first microswitch through the bottom wall of the second groove;
when the third touch and press part is in a pressing state, the third touch and press part is in touch and press with the first microswitch through the bottom wall of the third groove;
when the fourth touch and press part is in a pressing state, the fourth touch and press part is in touch and press with the first microswitch through the bottom wall of the fourth groove.
As an improvement of the scheme, the thickness of the ceramic bottom cover is 1 mm.
As an improvement of the scheme, the thickness of the ceramic surface cover is 1 mm.
Compared with the prior art, the utility model discloses beneficial effect lies in: the remote control key includes: the key assembly comprises an upper shell, a lower shell, a light guide ring, a circuit board and a key assembly; the key assembly is arranged on the upper shell; the light guide ring is arranged between the lower shell and the lower shell, and the upper shell, the light guide ring and the lower shell form an accommodating space; the circuit board is accommodated in the accommodating space; the circuit board is provided with at least one light-emitting unit; wherein, the inner surface of the lower shell is provided with a reflecting layer; the light emitting unit is arranged on the lower surface of the circuit board, so that when the light emitting unit emits light, the light is refracted to the light guide ring through the light reflecting layer. A light guide ring is arranged in the middle of the remote control key in a sleeved mode, a reflecting layer is arranged on the inner surface of the lower shell, when the key assembly is touched and pressed, light emitted by the light emitting unit is refracted through the reflecting layer, the light guide ring diffuses outwards uniformly, light is emitted uniformly when the remote control key is pressed, the light prompt effect of the remote control key can be well provided, and user experience is improved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a remote control key according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a light guide ring and a light guide strip provided in the embodiment of the present invention;
fig. 3 is a front view of a key fob according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1, which is a schematic structural diagram of a remote control key according to an embodiment of the present invention, the remote control key includes:
the key assembly comprises an upper shell 1, a lower shell 2, a light guide ring 3, a circuit board 4 and a key assembly 6; the key assembly 6 is arranged on the upper shell 1; the light guide ring 3 is arranged between the lower shell 2 and the lower shell 2, and the upper shell 1, the light guide ring 3 and the lower shell 2 form an accommodating space; the circuit board 4 is accommodated in the accommodating space; at least one light-emitting unit (not marked in the figure) is arranged on the circuit board 4; wherein, the inner surface of the lower shell 2 is provided with a light reflecting layer (not marked in the figure); the light emitting unit is disposed on the lower surface of the circuit board 4, so that when the light emitting unit emits light, the light is refracted to the light guide ring 3 through the reflective layer.
The light guide ring 3 is made of transparent light guide materials, such as transparent acrylic, transparent PC, transparent glass and the like. The light guide ring 3 is clamped/sleeved between the lower shell 2 and the upper shell 1 to form an accommodating space for accommodating the circuit board 4.
It should be noted that the key assembly 6 may be a combination of several mechanical keys and micro switches, or a touch screen with several touch areas. If the combination of the mechanical keys and the microswitches is adopted, the microswitches are electrically connected to the circuit board, each microswitches is connected with one I/O pin of the circuit board, when any one mechanical key is touched and pressed, one microswitches is correspondingly touched and pressed, so that one I/O pin of the circuit board 4 is enabled, the circuit board 4 drives the light-emitting unit to emit light, and meanwhile, the door lock is controlled to be opened/closed and the door is controlled to be opened/closed. If the touch screen is provided with a plurality of touch areas, the touch screen is electrically connected with the circuit board 4, when any one touch area on the touch screen is touched, a control signal is transmitted to the circuit board 4, the circuit board 4 controls the light-emitting unit to emit light, and simultaneously controls the opening/closing of the vehicle door lock and the opening/closing of the vehicle door. After the light emitted by the light emitting unit is refracted by the reflecting layer, the light guide ring 3 is uniformly diffused outwards, so that the light emitting unit can uniformly emit light when the remote control key is pressed, the light prompt effect of the remote control key can be well provided, and the user experience is improved.
Preferably, 4 light emitting units may be provided, and the 4 light emitting units are uniformly arranged on the circuit board 4. Illustratively, the included angle between every two adjacent light-emitting units is 90 degrees by taking the center of the circuit board 4 as a vertex. The light emitting unit is an LED. 4 light-emitting units are uniformly arranged on the lower surface of the circuit board 4, the key assembly 6 is in a pressing state, the circuit board 4 controls the 4 light-emitting units to emit light, and the light emitted by the 4 light-emitting units is refracted onto the light guide ring 3 through the reflecting layer, so that the light is spread more uniformly, the uniform light emission of the remote control key can be effectively improved, the light emission brightness is improved, and the light effect is further improved.
In the embodiment of the present invention, the specific manufacturing process and material of the reflective layer are not specifically limited, for example, the reflective layer may be a reflective film sprayed or adhered on the inner surface of the lower cover 21, such as an aluminized reflective mylar, a 3m reflective film, etc.
In an alternative embodiment, referring to fig. 2, the light guiding ring 3 is provided with at least one light guiding plate 31 extending inward, wherein each light guiding strip 31 corresponds to one light emitting unit 8, and a light guiding surface of the light guiding strip 31 faces a light emitting surface of the light emitting unit 8.
It should be noted that the light guide bar 31 is disposed on the bottom surface of the circuit board 4, and the battery 7 for supplying power to the circuit board 4 and the light emitting unit 8 is further disposed on the bottom surface of the circuit board 4.
In an embodiment of the present invention, the light emitting unit is an LED. Illustratively, 2 of the light emitting units 8, 3 of the light emitting units, or 4 of the light emitting units may be provided. The light emitting units 8 are uniformly arranged on the bottom surface of the circuit board 4, the center of the circuit board 4 is taken as a vertex, and when 2 light emitting units are arranged, the included angle between the 2 light emitting units 8 is 180 degrees; when 3 light-emitting units are arranged, the included angle between every two adjacent light-emitting units 8 is 120 degrees; when 4 light-emitting units are arranged, the included angle between two adjacent light-emitting units 8 is 90 degrees.
The light guide strip 31 is tangent to the light guide ring 3, the light guide strip 31 is bent towards the direction of the center of the light guide ring 3, and the curvature radius of the light guide strip 31 is gradually increased along the direction far away from the light emitting unit 8. The light guide strip 31 is tangent to the light guide ring 3, so that light passing through the light guide strip 31 smoothly passes through the light guide ring 3, the refraction of the light is reduced, and the loss of the light is reduced.
Accordingly, the number of the light guide bars 31 is equal to the number of the light emitting units. Taking the circle center of the light guide ring 3 as a vertex, when 2 light guide strips 31 are arranged, the included angle between tangent points of the two light guide strips 31 tangent to the light guide ring 3 is 180 degrees; when 3 light guide strips 31 are arranged, the included angle between the tangent points of two adjacent light guide strips 31 respectively tangent to the light guide ring 3 is 120 degrees; when 4 light guide strips 31 are arranged, the included angle between the tangent points of the two adjacent light guide strips 31 and the light guide ring 3 is 90 degrees. Illustratively, the light emitting surface of the light emitting unit 8 faces the light guiding surface of the light guiding strip 31. The light guide ring 3 and the light guide strip 31 are integrally formed.
Through the lower surface of circuit board 4 evenly arranges luminescence unit 8 key subassembly 6 is in the state of pressing, circuit board 4 control luminescence unit 8 is luminous, the light that luminescence unit 8 sent, most assemble through corresponding leaded light strip 31 on the leaded light ring 3, the surplus then refracts through the reflector layer leaded light ring 3 makes the propagation of light more even on the one hand, further promotes remote control key's even luminous, and on the other hand can improve the utilization ratio of light to promote the luminance, thereby further promote light effect.
In an alternative embodiment, the lower case 2 includes a lower cover 21 and a ceramic bottom cover 22 disposed on a lower surface of the lower cover 21.
In an alternative embodiment, the outer surface of the lower cover 21 is provided with a light-blocking layer.
In the embodiment of the present invention, the specific manufacturing process and material of the light-blocking layer are not specifically limited, for example, the light-blocking layer may be made by spraying a light-blocking material on the outer surface of the lower cover 21, the light-blocking material may be a black pigment, or the light-blocking layer may be made of a light-blocking PC, a light-blocking PE, or an SOMA light-blocking material. The light-isolating layer covers the outer surface of the lower cover 21, so that light is isolated from being transmitted from the inner surface to the outer surface of the lower cover 21, light emitted by the light-emitting unit can be refracted to the light-guiding ring 3 to the greatest extent through the light-reflecting layer, and the light-emitting brightness of the light-guiding ring 3 is further improved.
In an alternative embodiment, the inner wall of the lower cover 21 is provided with a damper block 5, and the circuit board 3 is mounted on the damper block 5.
The utility model discloses in the example, lower cover 21 inboard evenly is equipped with a plurality of snubber blocks 5, circuit board 4 passes through snubber block 5 is fixed on the lower cover 21, again perhaps can the lower cover inner wall sets up an annular shock attenuation platform and does the snubber block plays the cushioning effect, avoids rocking, the drop of remote control key and leads to electronic components on the circuit board 4 takes off to guarantee to improve remote control key's reliability.
In an alternative embodiment, the upper housing 1 comprises an upper cover 11 and a ceramic surface cover 12; the middle part of the upper cover 11 is provided with a through hole, and the ceramic surface cover 12 covers the through hole.
Wherein the thickness of the ceramic bottom cover 22 and the ceramic surface cover 12 is 1 mm. The lower cover 21 and the upper cover 11 are made of plastic or metal materials. In the embodiment of the present invention, the lower case 2 is formed by thinning the thickness of the lower cover 21 and attaching the ceramic bottom cover 22 with the thickness of 1mm to the lower surface of the lower cover 21; the thickness of the upper cover 11 is reduced, the ceramic surface cover 12 with the thickness of 1mm is adhered to the upper surface of the upper cover 11 to form the upper shell 1, and the signal transmitted by the circuit board 4 is more stable while the original thicknesses of the lower shell 2 and the upper shell 1 are not increased; meanwhile, the ornamental value and the touch feeling of the remote control key can be improved more comfortably, so that the user experience is further improved.
Illustratively, the outer surfaces of the upper shell 1 and the lower shell 2 are cambered surfaces, the upper shell 1, the lower shell 2 and the light guide ring 3 are combined to form an approximately circular structure, the light guide ring 3 uniformly emits light around, the total reflection and scattering principles of light are fully utilized, and a light ring is formed on the outer ring of the light guide ring after the light is turned, so that the structure is simple.
In an alternative embodiment, a waterproof pad 9 is provided between the upper cover 11 and the control circuit board 4.
The embodiment of the utility model provides an in, waterproof pad 9 sets up upper cover 11 with control circuit board 4, be used for with circuit board 4 cladding is in waterproof pad 9 with between the lower cover 21, waterproof pad 9 with form a sealed space between the lower cover 21, play waterproof prevention of seepage's effect, simultaneously waterproof pad 9 can also prevent circuit board 4 follows lower cover 21 pine takes off, plays certain fastening.
It should be noted that the upper cover 11 is a hollow circular ring structure, the lower part of the upper cover 11 is uniformly provided with a buckling part, one side of the lower cover 21 facing the circuit board 4 is provided with a circular groove, the lower surface of the lower cover 21 is of an arc surface structure, the damping block 5 is arranged on the inner wall of the circle center groove, the outer side wall of the circular groove is provided with a buckling matching part matched with the buckling part, the upper cover 11 and the lower cover 21 are buckled through the buckling part and the buckling matching part, and the light guide ring 3 is sleeved in a gap between the upper cover 11 and the lower cover 21.
Illustratively, the present example illustrates the key assembly 6 by taking a mechanical case and a micro switch as an example:
the key assembly 6 comprises a first key 61, a second key 62 and a third key 63 which are arranged on the ceramic surface cover 12, and a first microswitch, a second microswitch, a third microswitch and a fourth microswitch which are arranged on the circuit board; the first key 61 is positioned in the middle of the ceramic surface cover 12 and is provided with a first touch part, a first touch part arranged at the bottom of the first touch part, a second touch part and a second touch part arranged at the bottom of the second touch part, and the first touch part and the second touch part form a long strip structure; the second key 62 and the third key are symmetrically arranged at two sides of the first key 61, the second key 62 is provided with an arc-shaped third touch and press part and a third touch and press part arranged at the bottom of the third touch and press part, and the third key 63 is provided with an arc-shaped fourth touch and press part and a fourth touch and press part arranged at the bottom of the fourth touch and press part; the side surface of the waterproof pad 9 facing the circuit board 4 is provided with a first groove, a second groove, a third groove and a fourth groove; the first microswitch is accommodated in the first groove, the second microswitch is accommodated in the second groove, the third microswitch is accommodated in the third groove, and the fourth microswitch is accommodated in the fourth groove;
when the first touch and press part is in a pressing state, the first touch and press part is in touch and press with the first microswitch through the bottom wall of the first groove;
when the second touch and press part is in a pressing state, the second touch and press part is in touch and press with the second microswitch through the bottom wall of the second groove;
when the third touch and press part is in a pressing state, the third touch and press part is in touch and press with the third microswitch through the bottom wall of the third groove;
when the fourth touch and press part is in a pressing state, the fourth touch and press part is in touch and press with the fourth microswitch through the bottom wall of the fourth groove.
The first portion of pressing, the second portion of pressing, the first portion of pressing, the second portion of pressing that touches press integrated into one piece, first touch press the portion with the second touches and presses the portion and be rectangular shape structure, the third touch press the portion with the fourth touches and is the arc structure respectively according to the portion. A strip-shaped through hole matched with the strip-shaped structure is formed in the middle of the ceramic surface cover 12 and used for accommodating the first touch part and the second touch part; and the first touch and press part and the second touch and press part extend out of the strip-shaped through hole. The ceramic surface cover 12 is further provided with a first arc-shaped through hole matched with the third touch portion and a second arc-shaped through hole matched with the fourth touch portion, the first arc-shaped through hole and the second arc-shaped through hole are located on two sides of the strip-shaped through hole and are symmetrically arranged along a central axis of the strip-shaped through hole, please refer to fig. 3. The third touches and presses the portion to hold in first arc through-hole, the fourth touches and presses the portion to hold in second arc through-hole. When the first touch portion, the second touch portion, the third touch portion, and the fourth touch portion are in a non-pressed state, the first touch portion, the second touch portion, the third touch portion, and the fourth touch portion protrude from the ceramic surface cover 12.
It should be noted that a control circuit is arranged on the circuit board 4, the control circuit has a plurality of I/O pins, the first, second, third, and fourth micro switches are electrically connected to the I/O pins of the control circuit in a one-to-one correspondence, and the light emitting units are electrically connected to the I/O pins of the control circuit in a one-to-one correspondence. When the first touch part is in a pressing state, the first touch part is in touch pressure with the first microswitch through the bottom wall of the first groove, so that the first microswitch is switched on, I/O pins which are correspondingly connected belong to working states, and the second touch part, the third touch part and the fourth touch part are in the same way. The working state of an I/O pin electrically connected with the first microswitch, the second microswitch, the third microswitch and the fourth microswitch is identified, and then the light-emitting unit is controlled to emit light according to a predefined light-emitting rule through the I/O pin electrically connected with the light-emitting unit according to the working state of the I/O pin. The control circuit is provided with a programmable chip, and the self-defined light control and vehicle control functions can be realized through a writing program, which is not described in detail herein.
The predefined lighting rules are as follows:
when the first touch part is pressed for a short time, the light-emitting unit emits blue light;
when the second touch part is pressed for a short time, the light-emitting unit emits white light;
when the third touch part is pressed for a short time, the light-emitting unit emits red light;
when the fourth touch part is pressed for a short time, the light-emitting unit emits yellow light;
when the first touch part, the second touch part, the third touch part and the fourth touch part are all released, the light-emitting unit does not emit light;
breath and light when the key is pressed for a long time:
when the first touch part is pressed for a long time, the light-emitting unit emits blue light according to a preset breathing rhythm;
when the second touch part is pressed for a long time, the light-emitting unit emits white light according to the breathing rhythm;
when the third touch part is pressed for a long time, the light-emitting unit emits red light according to the breathing rhythm;
when the fourth touch part is pressed for a long time, the light-emitting unit emits yellow light according to the breathing rhythm;
in the embodiment of the utility model, when the pressing time is longer than or equal to 2s, the pressing state is determined to belong to; and when the pressing time length is less than 2s, judging that the pressing state belongs to a short pressing state.
When the electric quantity of the battery 7 of the remote control key is lower than a preset electric quantity, pressing any key (for example, the first touch part, the second touch part, the third touch part or the fourth touch part), and emitting red light by the light-emitting unit at a preset time interval within a preset time period, namely, flashing to emit red light; for example, the preset electric quantity is 10% of the capacity of the battery 7, and when the current electric quantity of the electric quantity is lower than 10% of the capacity of the battery 7, the light-emitting unit emits red light and flickers for 3 seconds and then is turned off;
the vehicle control functions are defined as follows:
and (3) short-pressing and long-pressing any key (for example, the first touch part, the second touch part, the third touch part or the fourth touch part) to realize the control of unlocking a car door lock, closing a car door lock, opening a front door of a left car, closing the front door of the left car, opening a rear door of the left car, closing a rear door of the left car, opening a rear door of the car and closing the rear door of the car. The vehicle control functions of a specific key can be defined by itself, for example:
the door lock is controlled to be opened/closed by pressing the first touch part for a short time or pressing the first touch part for a long time;
the short press/long press of the second touch part controls the opening/closing of the tail door of the vehicle;
pressing the third touch part for a short time or a long time to control the opening/closing of the left front door;
and pressing the fourth touch part for a short time or a long time to control the opening/closing of the left rear door.
Compared with the prior art, the utility model discloses beneficial effect lies in: the remote control key includes: the key assembly comprises an upper shell 1, a lower shell 2, a light guide ring 3, a circuit board 4 and a key assembly 6; the key assembly 6 is arranged on the upper shell 1; the light guide ring 3 is arranged between the lower shell 2 and the lower shell 2, and the upper shell 1, the light guide ring 3 and the lower shell 2 form an accommodating space; the circuit board 4 is accommodated in the accommodating space; the circuit board 4 is provided with at least one light emitting unit; wherein, the inner surface of the lower shell 2 is provided with a reflecting layer; the light emitting unit is disposed on the lower surface of the circuit board 4, so that when the light emitting unit emits light, the light is refracted to the light guide ring 3 through the reflective layer. . Through establishing a light guide ring 3 at remote key's middle part cover, the light that the luminescence unit sent passes through the reflector layer refraction back, through light guide ring 3 evenly outdiffuses, and even luminous when realizing the remote key button can provide remote key's light prompt effect well, promotes user experience.
It should be noted that the above-described device embodiments are merely illustrative, where the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. In addition, in the drawings of the embodiment of the apparatus provided by the present invention, the connection relationship between the modules indicates that there is communication connection between them, and specifically, the connection relationship can be implemented as one or more communication buses or signal lines. One of ordinary skill in the art can understand and implement it without inventive effort.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (10)
1. A remote control key, comprising: the key assembly comprises an upper shell, a lower shell, a light guide ring, a circuit board and a key assembly; the key assembly is arranged on the upper shell; the light guide ring is arranged between the lower shell and the lower shell, and the upper shell, the light guide ring and the lower shell form an accommodating space; the circuit board is accommodated in the accommodating space; the circuit board is provided with at least one light-emitting unit; wherein, the inner surface of the lower shell is provided with a reflecting layer; the light emitting unit is arranged on the lower surface of the circuit board, so that when the light emitting unit emits light, the light is refracted to the light guide ring through the light reflecting layer.
2. The key fob of claim 1, wherein the light guide ring is provided with at least one light guide strip extending inwardly, wherein each of the light guide strips corresponds to one of the light emitting units and a light guide surface of the light guide strip faces a light emitting surface of the light emitting unit.
3. The remote control key according to claim 1, wherein said lower housing includes a lower cover and a ceramic bottom cover provided to a lower surface of said lower cover, said light reflecting layer being provided to an inner surface of said lower cover.
4. The key fob of claim 3, wherein an outer surface of the lower cover is provided with a light-blocking layer.
5. The key fob of claim 3, wherein an inner wall of the lower cover is provided with a damper block, and the circuit board is mounted on the damper block.
6. The key fob of claim 1, wherein the upper housing includes an upper cover and a ceramic face cover; the middle part of the upper cover is provided with a through hole, and the ceramic surface cover covers the through hole.
7. The key fob of claim 6, wherein a waterproof gasket is disposed between the cover and the circuit board.
8. The key fob of claim 7, wherein the key assembly includes a first key, a second key, a third key disposed on the ceramic face cover, and a first microswitch, a second microswitch, a third microswitch, a fourth microswitch disposed on the circuit board; the first key is positioned in the middle of the ceramic surface cover and is provided with a first touch part, a first touch part arranged at the bottom of the first touch part, a second touch part and a second touch part arranged at the bottom of the second touch part, and the first touch part and the second touch part form a long strip-shaped structure; the second key and the third key are symmetrically arranged at two sides of the first key, the second key is provided with an arc-shaped third touch and press part and a third touch and press part arranged at the bottom of the third touch and press part, and the third key is provided with an arc-shaped fourth touch and press part and a fourth touch and press part arranged at the bottom of the fourth touch and press part; the side surface of the waterproof pad facing the circuit board is provided with a first groove, a second groove, a third groove and a fourth groove; the first microswitch is accommodated in the first groove, the second microswitch is accommodated in the second groove, the third microswitch is accommodated in the third groove, and the fourth microswitch is accommodated in the fourth groove;
when the first touch and press part is in a pressing state, the first touch and press part is in touch and press with the first microswitch through the bottom wall of the first groove;
when the second touch and press part is in a pressing state, the second touch and press part is in touch and press with the first microswitch through the bottom wall of the second groove;
when the third touch and press part is in a pressing state, the third touch and press part is in touch and press with the first microswitch through the bottom wall of the third groove;
when the fourth touch and press part is in a pressing state, the fourth touch and press part is in touch and press with the first microswitch through the bottom wall of the fourth groove.
9. The key fob of claim 3, wherein the ceramic bottom cover has a thickness of 1 mm.
10. The key fob of claim 6, wherein the ceramic face cover has a thickness of 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504947.1U CN215212823U (en) | 2021-03-09 | 2021-03-09 | Remote control key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120504947.1U CN215212823U (en) | 2021-03-09 | 2021-03-09 | Remote control key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215212823U true CN215212823U (en) | 2021-12-17 |
Family
ID=79442650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120504947.1U Active CN215212823U (en) | 2021-03-09 | 2021-03-09 | Remote control key |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215212823U (en) |
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2021
- 2021-03-09 CN CN202120504947.1U patent/CN215212823U/en active Active
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