CN208331912U - Automobile controller - Google Patents

Abstract

A kind of automobile controller, including knob, signal adapter, light emitting source and circuit board, light emitting source and signal adapter and circuit board electrical connection, on knob surface, circular ring shape or the transmittance section of one or more snippets arc are set, light guide is set between transmittance section and light emitting source, light guide is one or more snippets cylindrical or corresponding arc surfaced, light guide part corresponding with transmittance section is continuous and uniform wall thickness is arranged, light guide is arranged along signal adapter outer peripheral surface and is fixedly connected with circuit board, diffusing reflection occurs in light guide and is transferred to transparent area for the light that light emitting source issues, show the light on knob surface more uniform.

Description

Automobile controller

[technical field]

The utility model relates to vehicular fields, and in particular to a kind of automobile controller.

[background technique]

Automobile controller includes knob and light emitting source, and controller can carry out related operating parameter by rotation knob It adjusts, knob also needs the light issued to light emitting source to show, to realize indicative function.For realize knob display function, The transmittance section of annular or arc would generally be set on the knob surface of controller, after light emitting source is lit, light directly passes through Light portion shows preset shape on knob surface, but since light emitting source is generally point light source, and the preset shape shown exists Brighter at point light source, in the corresponding position of no point light source than darker, and then the preset shape for causing knob to show is corresponding Light is shown unevenly.

[summary of the invention]

The purpose of this utility model is to provide a kind of automobile controllers, can improve the default shape that top knob portion is shown The light of shape shows non-uniform problem.

To achieve the above objectives, the present invention adopts the following technical solutions:

A kind of automobile controller, the automobile controller include knob, circuit board, light emitting source and signal adapter, institute It states light emitting source and the signal adapter is fixed on the circuit board, the light emitting source and the signal adapter and the circuit Plate electrical connection, the light emitting source is circumferentially distributed outside the signal adapter, and the knob is connect with the signal adapter, Be characterized in that: the knob includes transmittance section, and the transmittance section forms in the top knob portion, and the controller further includes leaded light Part, the light guide are set between the transmittance section of the knob and the light emitting source, and the light guide and the circuit board are solid In the light guide unrestrained transmitting can occur for the light of fixed connection, the light emitting source, and at least partly described light guide is set to described The outer peripheral surface of signal adapter, part corresponding with the transmittance section continuous uniform distribution of at least described light guide；

The transmittance section is in circular ring shape, and the light guide corresponding with the transmittance section is cylindrical；Or the light transmission Portion is in one section of arc, and the light guide corresponding with the transmittance section is cylindrical or is in one section of continuous arc or the light transmission Portion is in multistage arc, and the light guide corresponding with the transmittance section is cylindrical or the continuous arc of multistage；

The knob includes rotation axis and knob shell, and the rotation axis is guide-lighting, described in the light process that the light emitting source issues Light guide is simultaneously transmitted to the transmittance section by the rotation axis, and diffusing reflection, the knob occur for the light into the rotation axis Axis protrudes into the light guide inner cavity, and the light guide includes first and the first reflecting surface, described first and the knob Axis is arranged in parallel, and described first is set to above the light emitting source, and first reflecting surface is with certain tilt angle Inclined-plane.

The rotation axis includes the second reflecting surface, and the light into the rotation axis passes through second reflective surface to institute Transmittance section is stated, second reflecting surface is the conical surface for forming in the interior of rotating shaft.

The automobile controller further includes elastic spacing one, and the elastic spacing one is outer around the rotation axis bottom Circumferential surface, the rotation axis include the first cavity and the second cavity, and second reflecting surface forms the part table of second cavity Face is not connected between first cavity and second cavity, the bottom at the top of second cavity and first cavity Portion is not connected to, and the inner wall of the bottom of second cavity rotation axis corresponding with the elastic spacing one does not contact setting.

The rotation axis is not guide-lighting, and the rotation axis protrudes into the light guide inner cavity, the rotation axis and the knob shell Between form gap, the position of the transmittance section and the position in the gap are correspondingly arranged, and the light by the light guide passes through The gap reaches the transmittance section.

The light guide includes first and second, and described first is arranged along the signal adapter periphery, described Second along the rotation axis periphery be arranged, second internal diameter be not more than first internal diameter, described second Corresponding with the position in the gap, the light into the light guide is transmitted at described first and described second by diffusing reflection To the transmittance section.

The light guide further includes limiting section and positioning region, and the limiting section and the positioning region are along the light guide lower end Setting is protruded, the limiting section includes buckle, and the positioning region includes positioning column, and the circuit board is correspondingly arranged limit hole and determines Position hole, the buckle are clamped across the limit hole and the circuit board, and the positioning column is inserted into the location hole.

The knob is one of the forming part, and the knob includes rotation axis and knob shell, and the knob shell is along the knob The periphery of axis is arranged, and the upper end of the rotation axis and the upper end of the knob shell are integrally formed, the periphery spraying of the knob shell There is light shield layer, the transmittance section forms in the top of the knob shell.

The knob includes knob cap, rotation axis and knob shell, and the knob cap is separately formed, the rotation axis and described Knob shell is integrally formed, and the knob shell is provided with installation cavity, and the knob cap is provided with mounting portion, and the mounting portion is placed in The installation cavity, the mounting portion and the knob shell are clamped, and the part knob cap is exposed to the top knob portion, described Light portion forms in the knob cap.

Transmittance section is arranged in the knob surface of automobile controller, light guide is arranged between transmittance section and light emitting source, transmittance section is in The shape of circular ring shape, light guide is cylindrical；Alternatively, transmittance section is in one or more snippets arc, light guide is cylindrical or cambered surface Shape, light guide corresponding with transmittance section is continuous and uniform wall thickness is arranged, and the light that light emitting source issues can be overflow in light guide It reflects and is transferred to transmittance section and show, can guarantee that light emitting source, can be saturating after the diffuse reflection effect by light guide in this way Light portion shows uniform light display effect.

[Detailed description of the invention]

Fig. 1 is a kind of a kind of isometric side structure schematic diagram of automobile controller；

Fig. 2 is a kind of positive structure diagram of automobile controller shown in Fig. 1；

Fig. 3 is a kind of configuration schematic diagram of automobile controller shown in Fig. 1；

Fig. 4 is a kind of front view structure of knob in the first specific embodiment, the first light guide and circuit board assemblies Schematic diagram；

Fig. 5 is a kind of the schematic diagram of the section structure of knob in Fig. 4, the first light guide and circuit board assemblies；

Fig. 6 is a kind of schematic view of the front view of knob in Fig. 4；

Fig. 7 is a kind of isometric side structure schematic diagram of knob in Fig. 4；

Fig. 8 is a kind of the schematic diagram of the section structure of knob in Fig. 4；

Fig. 9 is a kind of schematic view of the front view of the first light guide in Fig. 4；

Figure 10 is a kind of isometric side structure schematic diagram of the first light guide in Fig. 4；

Figure 11 is a kind of present invention looks up structural representation of the first light guide in Fig. 4；

Figure 12 is a kind of the schematic diagram of the section structure of the first light guide in Fig. 4；

Figure 13 is that a kind of back of the first light guide in Fig. 4 regards isometric side structure schematic diagram；

Figure 14 is a kind of isometric side structure schematic diagram of protective layer and circuit board assemblies；

Figure 15 is a kind of isometric side knot of knob in second of specific embodiment, the first light guide and circuit board assemblies Structure schematic diagram；

Figure 16 is the schematic view of the front view of the first light guide in Figure 15；

Figure 17 is the isometric side structure schematic diagram of the first light guide in Figure 15；

Figure 18 is the schematic diagram of the section structure of the first light guide in Figure 15；

Figure 19 is a kind of schematic view of the front view of knob in Figure 15, the first light guide and circuit board assemblies；

Figure 20 is a kind of the schematic diagram of the section structure of knob in Figure 15, the first light guide and circuit board assemblies.

[specific embodiment]

The utility model is described in further detail in the following with reference to the drawings and specific embodiments:

In vehicle control device field, controller is mainly used for the input of function and the adjusting of operating parameter, and controller is general Including controller housing and circuit board, controller housing includes panel and rear cover, in the present embodiment, panel and rear cover fixing seal Accommodating cavity is connected and is formed, circuit board is assemblied in accommodating cavity, and the electronics such as light emitting source and signal adapter are provided on circuit board Component.Controller further includes knob, and the part input of controller and parameter regulation function can be realized by knob, this reality It applies in example, the light that light emitting source issues can show that is, knob has lightshow function by knob, and such knob may be implemented to shine The effect of bright and function instruction.In the following, the technical program is described in detail by taking automobile controller as an example.

Firstly, automobile controller includes controller housing and circuit board 7, controller housing packet in conjunction with referring to Fig. 1 to Fig. 3 Panel 1 and rear cover 2 are included, accommodating cavity is formed between panel 1 and rear cover 2, circuit board 7 and other components are installed on accommodating cavity, Protective layer 6 is equipped between circuit board 7 and panel 1, protective layer 6 is assemblied in accommodating cavity with circuit board 7, and protective layer 6 can be used In each electronic component that protection is electrically connected with circuit board 7.The major function of controller housing is waterproof or/and dust-proof, can The components being assemblied in accommodating cavity are played a certain protective role.Controller further include knob 3 and key and other one A little decorative components, key include the first key 41 and the second key 42, and in the present embodiment, knob 3 is mainly used for parameter Adjusting, key is mainly used for the input of function, presses the button, and circuit conducting, corresponding function is opened, pressed the button again, Circuit disconnects, and corresponding function is closed；Or it is opposite.Panel 1 is provided with the first key receiving portion 11, the second key receiving portion 12 and knob receiving portion 10, the first key 41, the second key 42 and knob 3 are accommodated respectively.Panel 1 also has certain display Function；Controller further includes light emitting source 71, signal adapter 72 and the first light guide 8, light emitting source 71 and signal adapter 72 It is fixed on circuit board 7 and is electrically connected with circuit board 7, the optical transport that the first light guide 8 issues light emitting source 71 to knob 3, knob 3 show light effect corresponding with function.In the present embodiment, protective layer 6 includes rubber layer and conductive metal, and protective layer 6 covers In 7 surface of circuit board, light emitting source 71 and signal adapter 72 are set to the surface；After pressing key pressing, conductive metal connects electricity The corresponding circuits of road plate, rubber layer can play the role of certain water proof and dust proof to the surface of circuit board 7, in protection circuit plate 7 Part electronic component, rubber layer is made of insulating materials, while can eliminate and generate when part electronic component is powered Electrostatic and electromagnetic interference guarantee the service performance of controller.Certainly, protective layer can also use other materials with the same function Material, will not enumerate herein.

In conjunction with referring to fig. 4 to Fig. 6, in present embodiment, at least a part of knob can be guide-lighting.In the present embodiment, knob For seperated drip molding, knob 3 includes knob cap 30, rotation axis 31 and knob shell 32, and knob cap 30 is separately formed, knob shell 32 with Rotation axis 31 is integrally formed, and at least partly knob cap 30 and knob shell 32 are exposed to panel 1, and a part of rotation axis 31 is contained in Knob receiving portion 10, in the present embodiment, knob 3 is made of optical material.Knob shell 32 is provided with installation cavity, and knob cap 30 is arranged There is mounting portion, mounting portion is placed in the installation cavity and is clamped with knob shell 32, shading treatment is done to the part of the surface of knob cap 30, Shading treatment is done to the outer peripheral surface of knob shell 32, the part that shading treatment was done on 30 surface of knob cap forms light shielding part 36, do not do The part of shading treatment forms transmittance section 37, the unglazed transmission of light shielding part 36, and there are light transmission, the light that light emitting source 71 issues in transmittance section 37 It is presented in panel 1 by the first light guide 8, rotation axis 31 and transmittance section 33, effect is presented mainly by light transmission in the light on 3 surface of knob The shapes and sizes in portion 37 determine；Certainly, knob 3 is also possible to integrally formed part, and knob 3 includes rotation axis 31 and knob shell 32, rotation axis 31 and knob shell 32 are integrally formed, the surface of upper surface, that is, knob 3 of rotation axis 31, and the lower end of knob 3 is revolved The lower end of button axis 31.

Knob shell 32 and rotation axis 31 are integrally formed, and knob cap 30 and knob shell 32 are clamped, and knob cap 30 includes light shielding part 36 and transmittance section 37, light shielding part 36 and transmittance section 37 are all exposed in 3 surface of knob, and the light that light emitting source 71 issues can be by saturating Light portion 37 but cannot be by light shielding part 36, therefore the shape of transmittance section 37 is exactly the display shape for the light that knob 3 can show. In the present embodiment, transmittance section 37 is circular ring shape, and transmittance section 37 is set to 3 top of knob with knob cap 30, and corresponding first is guide-lighting Part 8 is cylinder；Certainly, transmittance section 37 is also possible to one or more snippets arc, corresponding when transmittance section 37 is one section of arc The first light guide 8 be cylindrical or one section of arc；When transmittance section 37 is multistage arc, corresponding first light guide 8 is circle Cylindricality or several sections of arcs, the first light guide 8 are uniformly distributed setting close to first 81 of transmittance section 37 continuously in a circumferential, and The circumferential lengths of one light guide 8 are greater than or equal to the circumferential arc length of corresponding transmittance section 37, and continuous uniform distribution mentioned here refers to , the circumferential direction of transmittance section 37 is greater than or equal to along the circumferential lengths of axial direction first light guide, 8 part corresponding with transmittance section 37 Length, and the part is continuous and uniform wall thickness is arranged.

In the present embodiment, knob shell 32 is hollow structure, including top and side wall, top and the rotation axis 31 of knob shell 32 The outlet of upper surface is integrally formed, and side wall is axially extending along rotation axis 31, extending direction towards panel 1, side wall around The circumferential direction of part rotation axis 31, in addition to top, knob shell 32 is not contacted with the rest part of rotation axis 31, and knob shell 32 and rotation There is certain interval between button axis 31.Since the outer peripheral surface of knob shell 32 has done shading treatment, knob shell 32 can be used in preventing In the side of knob 3 light leakage phenomena occurs for the light that rotation axis 31 transmits；The axial height of rotation axis 31 is greater than the axis of knob shell 32 To height, rotation axis 31 protrudes into the inner cavity of the first light guide 8, and rotation axis 31 includes the first cavity 34 and the second cavity 35, and first Cavity 34 and the second cavity 35 are inner-cavity structure, and the surface of the second cavity 35 is the second reflecting surface 33, the second reflecting surface 33 Surface is in the conical surface, and the first cavity 34 is arranged close to knob cap 30, and the second cavity 35 is arranged close to signal adapter 72, the first cavity 34 bottoms are not connected to the top of the second cavity 35.Be not connected between first cavity 34 and the second cavity 35, the first cavity 34 with It is not also connected between second reflecting surface 33, the structure design of the first cavity 34 can prevent rotation axis 31 because local wall thickness is blocked up And contraction distortion is generated in stress, the operating handle of knob 3 is influenced, while raw material can be saved, advantageously reduces production Cost.The conical surface of second cavity, 35 the second reflecting surface of surface 33 designs, and light can be made to be all-trans at the second reflecting surface 33 It penetrates, changes the direction of propagation of light.

In conjunction with referring to Fig. 7 to Figure 10, the first light guide 8 is set between transmittance section 37 and light emitting source 71, is converted along signal The outer peripheral surface of device 72 is fixedly connected with circuit board 7, and in the present embodiment, the first light guide 8 is cylindrical along signal adapter 72 Outer peripheral surface setting, rotation axis 31 protrude into the inner cavity of the first light guide 8.First light guide 8 includes first 81, and it is guide-lighting to define first Part 8 is lower end close to one end of circuit board 7, and first 81 upper end is provided with the first reflecting surface 80, and the first reflecting surface 80 is Inclined-plane with certain inclination angle, first 81 is arranged in parallel with rotation axis 31, and first 81 is located at the top of light emitting source 71, Setting limiting section 82 and positioning region 84 are axially downwardly protruded along first 81, limiting section 82 includes buckle 83, and positioning region 84 includes Positioning column 86, the circumferentially-spaced distribution of buckle 83 and positioning column 86 along first 81 lower end surface, positioning region 84 and circuit board 7 The positioning of the first light guide 8 is realized in cooperation, and buckle 83 realizes the fixation of the first light guide 8 and circuit board 7 with the clamping of circuit board 7 Connection.Interval >=1mm between 72 outer peripheral surface of first light guide 8 and signal adapter, the first light guide 8 and 31 periphery of rotation axis Interval >=1mm between face, to guarantee that knob 3 and signal adapter 72 can be rotated freely circumferentially.

In conjunction with referring to Figure 11 to Figure 13, rotation axis 31 and signal adapter 72 are detachably connected, and described here is removable The connection unloaded refers to that rotation axis 31 and signal adapter 72 are clamped, and what is connected between guarantee rotation axis 31 and signal adapter 72 can By property, elastic spacing one is set in the outer peripheral surface that rotation axis 31 and signal adapter 72 are clamped, the elastic spacing in the present embodiment Part uses spring band 5, and spring band 5 is assemblied in the outer peripheral surface of 31 lower end of rotation axis, can play fastening to the lower end of rotation axis 31 Effect, while enhancing the mechanical strength of rotation axis 31, prevent rotation axis 31 during rotating in a circumferential direction with signal adapter 72 Because be clamped loosen due to fall off, while also can be avoided 31 lower end of rotation axis because between signal adapter 72 active force it is excessive and disconnected It splits.

Circuit board 7 further includes limit hole 70 and location hole 73, and limit hole 70 is correspondingly arranged with buckle 83, location hole 73 and fixed Position column 86 is correspondingly arranged.Positioning column 86 passes through location hole 73 so that it is determined that position of first light guide 8 on circuit board 7, buckle 83 pass through limit hole 70 and the clamping of circuit board 7, and the first light guide 8 is fixedly connected with circuit board 7.First reflecting surface 80 and knob shell There is a certain distance between 32 lower end surface.Knob 3 is clamped with signal adapter 72 and is fastened by spring band 5, believes Number converter 72 is electrically connected with circuit board 7, and the first light guide 8 is arranged along the outer peripheral surface of signal adapter 72, the first light guide 8 It is fixedly connected with circuit board 7, to complete the assembly of the first light guide 8.

Light emitting source 71 is set to circuit board 7 and the first light guide along the outer circumferentially distributed of signal adapter 72, light emitting source 71 Between 8 lower end surfaces, the first reflecting surface 80 is the inclined-plane with certain tilt angle, uses 45 ° of gradient in the present embodiment Inclined-plane, certainly, the tilt angle of the first reflecting surface 80 are not fixed, as long as can realize that optical path switching is on the inclined-plane It can.First reflecting surface 80 and the second reflecting surface 33 are located at same level.After powering on, the light that light emitting source 71 issues passes through the It is passed up to for one 81 up to the first reflecting surface 80, due to the inclined-plane that the first reflecting surface 80 is 45 ° of inclination angle, light is anti-first It penetrates at face 80 and occurs to be totally reflected for the first time, light is transferred to the second reflecting surface 33 in the horizontal direction and sends out at the second reflecting surface 33 Raw second of total reflection, light axially inside upwardly propagate in rotation axis 31, reach the transmittance section 37 on 30 surface of knob cap, make It obtains 3 surface of knob and shows uniform light effect.45 ° of bevel structures of the first reflecting surface 80 of the first light guide 8 design, can Guarantee total reflection of the light in the first light guide 8 and the light loss in reflection process is minimum, enables light according to ideal Path is propagated, the setting of the second reflecting surface 33, realize light communication process in second total reflection, enable light by It is transmitted in rotation axis 31 according to predefined paths, while guaranteeing that the brightness for the light that 3 surface of knob shows is more uniform, reduce light leakage The probability that phenomenon occurs, to reduce the light loss in transmission process.

Specific embodiment two

Certainly, knob is also possible to made of not optical material.The light that light emitting source issues at this time cannot be transmitted along rotation axis To knob surface, can only be transmitted by the first light guide.In conjunction with referring to Figure 14 to Figure 16, knob 3 is not optical material, The position of first light guide 8 and connection type are similar with the first specific embodiment, and details are not described herein again.In the present embodiment, Rotation axis 31 protrudes into the inner cavity of the first light guide 8, and the first light guide 8 includes second 85 and first 81, and first 81 along letter The periphery setting of number converter 72, second 85 periphery along rotation axis 31, since the base width of signal adapter 72 is greater than The outer diameter of rotation axis 31, second 85 internal diameter are not more than first 81 internal diameter, and second 85 diameter is less than first 81 Diameter when, the first light guide 8 further includes the first reflecting surface 80, and the first reflecting surface 80 is inclined-plane, first 81 and second 85 It is connected as one by the first reflecting surface 80；When second 85 diameter is identical as first 81 diameter, the first light guide 8 The cylindrical structure being integrated, second 85 extends axially upward along the first reflecting surface 80, between knob shell 32 and rotation axis 31 There is gap, transmittance section 37 is set to the position in the gap, and second 85 also extend into the position in the gap, second 85 and knob Cap 30 and rotation axis 31 do not contact with each other, and first 81 extends axially downward to circuit board 7, first 81 and circuit board 7 Between have certain intervals, interval >=1mm between second 85 and 31 outer peripheral surface of rotation axis, second 81 and signal adapter Interval >=1mm between 72 outer peripheral surfaces, when second 85 and first 81 diameter difference, the first reflecting surface 80 is oblique Face.First reflecting surface, 80 position has certain thickness, and the light that light emitting source 71 issues is reached along first 81 transmission upwards First reflecting surface 80 occurs to be totally reflected for the first time, and since the first reflecting surface 80 has certain thickness, light is in the first reflecting surface It is totally reflected again after horizontal transmission stretch diameter at 80, light is passed up to transparent area 37 along second 85, to make 3 surface of knob shows uniform light display effect, while light leakage phenomena is not susceptible in optical transmission process；When first 81 When identical as second 85 diameter, the light that light emitting source 71 issues directly passes through the first light guide 8 and is passed up to transparent area 37, Circumferential direction to guarantee to reach the uniformity of the light on 3 surface of knob, along axial direction first light guide, 8 part corresponding with transmittance section 37 Length is greater than or equal to the circumferential lengths of transmittance section 37, and the part is continuous and uniform wall thickness is arranged.

In conjunction with referring to Figure 17 to Figure 19, second 85 is extended axially upward to transmittance section 37, second 85 with knob 3 Any position does not contact, in order to avoid influence feel when knob 3 rotates in a circumferential direction.When assembly, the first light guide 8 is first connected in electricity Road plate 7, then panel 1 and rear cover 2 are clamped, spring band 5 is assembled in the lower end of rotation axis 31, will finally have the rotation of spring band 5 Button 3 is packed into knob receiving portion 10, and is clamped knob 3 and signal adapter 72, and certainly, controller not only includes that knob light is shown It further include that key light is shown, the position of circuit board corresponding with key is also equipped with light emitting source, and key is also required to corresponding leaded light Design, but this is unrelated with the technical solution of the utility model, in addition, equally being needed inside rotation axis in specific embodiment two First cavity is set, the first cavity it is structurally and functionally similar with the first specific embodiment, details are not described herein again.

In the transmittance section of knob surface setting specific shape, and set between light emitting source and light display surface according to transmittance section Diffusing reflection can occur in light guide and be transferred to transmittance section for the light guide for setting respective shapes, the light for issuing light emitting source, from And transmittance section is made to show uniform light display effect, reduce loss of the light in communication process, to enhance the illumination of knob With the effect of display, user experience is improved.

It should be understood that above embodiments are merely to illustrate the utility model and not limit described by the utility model Technical solution, although this specification has been carried out detailed description to the utility model referring to the above embodiments, this Field it is to be appreciated by one skilled in the art that person of ordinary skill in the field still can modify to the utility model Or equivalent replacement, and the technical solution and its improvement of all spirit and scope for not departing from the utility model, it should all cover In the scope of the claims of the utility model.

Claims (11)

1. a kind of automobile controller, the automobile controller includes knob, circuit board, light emitting source and signal adapter, described Light emitting source and the signal adapter are fixed on the circuit board, the light emitting source and the signal adapter and the circuit board Electrical connection, the light emitting source is circumferentially distributed outside the signal adapter, and the knob is connect with the signal adapter, special Sign is: the knob includes transmittance section, and the transmittance section forms in the top knob portion, and the controller further includes leaded light Part, the light guide are set between the transmittance section of the knob and the light emitting source, and the light guide and the circuit board are solid In the light guide unrestrained transmitting can occur for the light of fixed connection, the light emitting source, and at least partly described light guide is set to described The outer peripheral surface of signal adapter, part corresponding with the transmittance section continuous uniform distribution of at least described light guide；

The transmittance section is in circular ring shape, and the light guide corresponding with the transmittance section is cylindrical；Or the transmittance section is in One section of arc, the light guide corresponding with the transmittance section is cylindrical or in one section of continuous arc or the transmittance section is in Several sections of arcs, cylindrical or several section of continuous arc of the light guide corresponding with the transmittance section.

2. automobile controller according to claim 1, it is characterised in that: the knob includes rotation axis and knob shell, institute Rotation axis leaded light is stated, the light that the light emitting source issues by the light guide and is transmitted to the light transmission by the rotation axis Diffusing reflection occurs for portion, the light into the rotation axis, and the rotation axis protrudes into the light guide inner cavity, and the light guide includes the One and the first reflecting surface, described first is arranged in parallel with the rotation axis, and described first is set to the light emitting source Top, first reflecting surface are the inclined-plane with certain tilt angle.

3. automobile controller according to claim 2, it is characterised in that: the rotation axis includes the second reflecting surface, is entered For the light of the rotation axis by second reflective surface to the transmittance section, second reflecting surface is to form in the rotation The conical surface inside button axis.

4. automobile controller according to claim 3, it is characterised in that: the automobile controller further includes elastic spacing Part, for the elastic spacing one around the outer peripheral surface of the rotation axis bottom, the rotation axis includes that the first cavity and second are empty Chamber, second reflecting surface form the part of the surface of second cavity, between first cavity and second cavity not Connection, the top of second cavity are not connected to the bottom of first cavity, the bottom of second cavity and the bullet The inner wall of the property corresponding rotation axis of locating part does not contact setting.

5. automobile controller according to claim 1, it is characterised in that: the knob includes rotation axis and knob shell, institute It is not guide-lighting to state rotation axis, the rotation axis protrudes into the light guide inner cavity, between being formed between the rotation axis and the knob shell Gap, the position of the transmittance section and the position in the gap are correspondingly arranged, and are arrived by the light of the light guide by the gap Up to the transmittance section.

6. automobile controller according to claim 5, it is characterised in that: the light guide includes first and second, Described first is arranged along the signal adapter periphery, and described second is arranged along the rotation axis periphery, and described second Internal diameter be not more than first internal diameter, described second is corresponding with the position in the gap, into the light guide Light is transferred to the transmittance section by diffusing reflection in described first and described second.

7. automobile controller according to claim 1-6, it is characterised in that: the light guide further includes limiting section And positioning region, the limiting section and the positioning region are protruded along the light guide lower end and are arranged, the limiting section includes buckle, institute Stating positioning region includes positioning column, and the circuit board is correspondingly arranged limit hole and location hole, the buckle across the limit hole with The circuit board clamping, the positioning column are inserted into the location hole.

8. automobile controller according to claim 7, it is characterised in that: the knob is one of the forming part, the knob Including rotation axis and knob shell, the knob shell is arranged along the periphery of the rotation axis, the upper end of the rotation axis and the rotation The upper end of button shell is integrally formed, and the periphery of the knob shell is coated with light shield layer, and the transmittance section forms in the knob shell Top.

9. automobile controller according to claim 7, it is characterised in that: the knob includes knob cap, rotation axis and rotation Button shell, the knob cap is separately formed, and the rotation axis and the knob shell are integrally formed, and the knob shell is provided with installation Chamber, the knob cap are provided with mounting portion, and the mounting portion is placed in the installation cavity, the mounting portion and the knob shell card It connects, the part knob cap is exposed to the top knob portion, and the transmittance section forms in the knob cap.

10. automobile controller according to claim 1, it is characterised in that:

The knob includes rotation axis and knob shell, and the rotation axis is guide-lighting, and the light that the light emitting source issues passes through the leaded light Part is simultaneously transmitted to the transmittance section by the rotation axis, and diffusing reflection occurs for the light into the rotation axis, and the rotation axis is stretched Enter the light guide inner cavity, the light guide includes first and the first reflecting surface, and described first flat with the rotation axis Row setting, described first is set to above the light emitting source, and first reflecting surface is the inclined-plane with certain tilt angle；

The rotation axis includes the second reflecting surface, into the rotation axis light by second reflective surface to described Light portion, second reflecting surface are the conical surface formed in inside the rotation axis；

The automobile controller further includes elastic spacing one, periphery of the elastic spacing one around the rotation axis bottom Face, the rotation axis include the first cavity and the second cavity, and second reflecting surface forms the part of the surface of second cavity, It is not connected between first cavity and second cavity, the bottom of the top of second cavity and first cavity is not Connection, the inner wall of the bottom of second cavity rotation axis corresponding with the elastic spacing one do not contact setting；

The light guide further includes limiting section and positioning region, and the limiting section and the positioning region are protruded along the light guide lower end Setting, the limiting section include buckle, and the positioning region includes positioning column, and the circuit board is correspondingly arranged limit hole and positioning Hole, the buckle are clamped across the limit hole and the circuit board, and the positioning column is inserted into the location hole；

The knob is one of the forming part, and the knob shell is arranged along the periphery of the rotation axis, the upper end of the rotation axis with The upper end of the knob shell is integrally formed, and the periphery of the knob shell is coated with light shield layer, and the transmittance section forms in the rotation The top of button shell；

The knob further includes knob cap, and the knob cap is separately formed, and the rotation axis and the knob shell are integrally formed, institute It states knob shell and is provided with installation cavity, the knob cap is provided with mounting portion, and the mounting portion is placed in the installation cavity, the peace Dress portion and the knob shell are clamped, and the part knob cap is exposed to the top knob portion, and the transmittance section forms in the rotation Button cap.

11. automobile controller according to claim 1, it is characterised in that:

The knob includes rotation axis and knob shell, and the rotation axis is not guide-lighting, and the rotation axis protrudes into the light guide inner cavity, Gap is formed between the rotation axis and the knob shell, the position of the transmittance section and the position in the gap are correspondingly arranged, The transmittance section is reached by the gap by the light of the light guide；

The light guide includes first and second, and described first is arranged along the signal adapter periphery, and described second Portion is arranged along the rotation axis periphery, and second internal diameter is not more than first internal diameter, described second and institute The position for stating gap is corresponding, and the light into the light guide is transferred to institute by diffusing reflection at described first and described second State transmittance section；

The light guide further includes limiting section and positioning region, and the limiting section and the positioning region are protruded along the light guide lower end Setting, the limiting section include buckle, and the positioning region includes positioning column, and the circuit board is correspondingly arranged limit hole and positioning Hole, the buckle are clamped across the limit hole and the circuit board, and the positioning column is inserted into the location hole；

The knob is one of the forming part, and the knob shell is arranged along the periphery of the rotation axis, the upper end of the rotation axis with The upper end of the knob shell is integrally formed, and the periphery of the knob shell is coated with light shield layer, and the transmittance section forms in the rotation The top of button shell；

The knob further includes knob cap, and the knob cap is separately formed, and the rotation axis and the knob shell are integrally formed, institute It states knob shell and is provided with installation cavity, the knob cap is provided with mounting portion, and the mounting portion is placed in the installation cavity, the peace Dress portion and the knob shell are clamped, and the part knob cap is exposed to the top knob portion, and the transmittance section forms in the rotation Button cap.