Touch type automobile control device

Abstract

The utility model relates to the technical field of automobile electronic equipment, in particular to a touch type automobile control device, which overcomes the defects of the automobile electronic equipment in the prior art and comprises a door handle body, the door handle body comprises a handle shell and a base frame, the handle shell and the base frame are matched with each other and fixedly connected, and an installation cavity is formed in the inner side of the base frame. A tactile feedback module is arranged in the mounting cavity; the tactile feedback module comprises a sensing element, the lower side of the sensing element is connected with a PCB used for controlling an automobile door, and the upper end of the PCB is provided with a feedback unit used for feeding vibration back to the handle shell. The tactile feedback module further comprises a lower shell body, the upper end of the lower shell body is in clearance fit with a movable upper shell body, and the upper surface of the upper shell body is matched with the inner surface of the handle shell. The lower end of the shell upper body is fixedly connected with a feedback connecting column, and the touch feedback device has the advantage of being good in touch feedback effect.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile electronic equipment, concretely is touch type automobile control device. BACKGROUND

[0002] With the development of current new energy vehicles, the traditional mechanical door handle is gradually replaced by the touch sensing type handle without mechanical key, which not only simplifies the appearance of the vehicle body and improves the operation convenience, but also improves the waterproof and dustproof performance and the service life of the handle. As the core content of touch sensing technology, the vibration feedback after touch affects the precision of human-computer interaction and user experience.

[0003] The touch type automobile control device disclosed in the prior patent with the patent number CN208344143U comprises a support one and a panel arranged on the support one, the touch area of the panel is provided with function icons, the support one is internally provided with an illumination assembly for illuminating the function icons and a PCB board one for controlling the action of the automobile air conditioner, the touch area of the panel is electrically connected with the PCB board one, the support one is further internally provided with a sensing element for sensing the touch action and a vibration feedback assembly for providing vibration feedback, and the sensing element is connected with the vibration feedback assembly.

[0004] In the above technical scheme, the support two is driven by the haptic actuator to continuously impact the panel, so that the panel realizes vibration feedback. However, the support two is arranged in the upper concave cavity with the same internal shape, so that the contact area between the two is large, which limits the movement of the support two and reduces the vibration feedback effect and the user's human-computer interaction experience.

[0005] Therefore, it is necessary to design a touch type automobile control device with double fixed haptic feedback effect. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a touch type automobile control device to solve the problems in the above background technology.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a touch type automobile control device, comprising a door handle body,

[0008] The door handle body comprises a handle shell and a base frame, which are mutually matched and fixedly connected, an installation cavity is formed in the inner side of the base frame, and a haptic feedback module is arranged in the installation cavity;

[0009] The haptic feedback module comprises a sensing element, a PCB board for controlling the automobile door is connected to the lower side of the sensing element, and a feedback unit for feeding back vibration to the handle shell is arranged at the upper end of the PCB board;

[0010] The haptic feedback module further comprises a lower housing body, an upper end gap of the lower housing body is matched with a movable upper housing body, and an upper surface of the upper housing body is matched with an inner surface of the handle housing;

[0011] A lower end of the upper housing body is fixedly connected with a feedback connecting column, the feedback connecting column is arranged at an edge end of the upper housing body, and the feedback connecting column is connected with the feedback unit.

[0012] According to the technical scheme, the inner bottom of the lower housing body is provided with a plurality of positioning clamping columns, and a plurality of positioning holes are correspondingly arranged at edge portions of the PCB.

[0013] According to the technical scheme, the haptic feedback module further comprises a double fixing mechanism, the double fixing mechanism is used for fixing the PCB in the haptic feedback module and simultaneously fixing the haptic feedback module on the inner side of the installation cavity.

[0014] According to the technical scheme, a plurality of clamping holes are arranged through the side wall of the lower housing body, the double fixing mechanism comprises double clamping rods, outer ends of the double clamping rods are fixedly connected with matched clamping pieces, upper ends of the matched clamping pieces extend to the upper end of the lower housing body and are matched with and abut against the inner surface of the handle housing, a pair of transverse holes are arranged through the positioning clamping columns, the pair of transverse holes are arranged on the upper and lower sides of the PCB, and the double clamping rods extend to the pair of transverse holes through the pair of clamping holes.

[0015] According to the technical scheme, the outer side of the clamping hole is provided with a sealing groove, and the double clamping rods are connected with rubber pads through the sealing groove.

[0016] According to the technical scheme, the feedback unit comprises a piezoelectric ceramic sheet, a lower end of the piezoelectric ceramic sheet is connected with the PCB, and the feedback connecting column is connected with the piezoelectric ceramic sheet.

[0017] According to the technical scheme, a substrate is arranged at the lower end of the piezoelectric ceramic sheet, the piezoelectric ceramic sheet is arranged in the middle of the substrate, and the length of the substrate is greater than that of the piezoelectric ceramic sheet.

[0018] According to the technical scheme, a pair of rubber pads I are connected at two ends of the substrate, and the rubber pads I are connected with the PCB.

[0019] According to the technical scheme, a rubber pad II is arranged between the piezoelectric ceramic sheet and the feedback connecting column.

[0020] According to the technical scheme, the sensing element comprises a capacitive film, one end of the surface of the handle housing is provided with a touch fixed point, and the capacitive film is arranged at the lower end of the upper housing body and corresponds to the position of the touch fixed point.

[0021] Compared with the prior art, the haptic feedback module has the following advantages:

[0022] By setting the feedback connecting column at the edge of the upper shell body, and on the premise that there is a gap between the upper shell body and the lower shell body, the end of the upper shell body away from the feedback connecting column forms a free end without fixed support, thereby forming a structure similar to a cantilever beam, when the feedback unit generates vibration, it will drive the feedback connecting column to swing slightly; since the feedback connecting column has a certain length from the free end of the upper shell body, the slight swing is amplified, further increasing the vibration amplitude, the vibration feedback effect is good, and the user's human-computer interaction experience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is the three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 is the handle shell exploded schematic diagram of the utility model;

[0025] Figure 3 is the haptic feedback module exploded schematic diagram of the utility model;

[0026] Figure 4 is the inside three-dimensional schematic diagram of the lower shell body of the utility model;

[0027] Figure 5 is the fitting position schematic diagram of the adaptive card piece of the utility model;

[0028] Figure 6 is the A area of the local enlarged schematic diagram of Figure 4 ;

[0029] Figure 7 is the local section schematic diagram of the haptic feedback module of the utility model;

[0030] Figure 8 is the B area of the local enlarged schematic diagram of Figure 7 ;

[0031] Figure 9 is the bottom three-dimensional schematic diagram of the upper shell body of the utility model;

[0032] In the drawing: 1, handle shell;

[0033] 2, base frame; 201, support rib plate; 202, positioning rib plate;

[0034] 3, haptic feedback module; 301, upper shell body; 302, lower shell body; 303, positioning card column; 304, card hole; 305, sealing groove; 306, rubber gasket;

[0035] 4, PCB board; 5, touch point;

[0036] 6, double card rod; 601, adapter card;

[0037] 7, feedback connecting column; 701, piezoelectric ceramic sheet;

[0038] 8, substrate; 801, rubber pad one; 802, rubber pad two;

[0039] 9, capacitor film. DETAILED DESCRIPTION

[0040] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0041] Please refer to Figures 1-9 The utility model provides technical scheme: touch type automobile control device, including door handle body,

[0042] The door handle body includes handle shell 1 and base frame 2, and the two are fixedly connected by cooperation, the inside of base frame 2 is provided with installation cavity, and installation cavity is provided with tactile feedback module 3;

[0043] Tactile feedback module 3 includes sensing element, the downside of sensing element is connected with the PCB board 4 for controlling automobile door, and the upper end of PCB board 4 is provided with feedback unit for vibrating feedback to handle shell 1;

[0044] Tactile feedback module 3 also includes shell lower body 302, and the upper end of shell lower body 302 is clearance fit with movable shell upper body 301, and the upper surface of shell upper body 301 is adapted to the inner surface of handle shell 1.

[0045] The lower end of shell upper body 301 is fixedly connected with feedback connecting column 7, and feedback connecting column 7 is arranged at the edge end of shell upper body 301, and feedback connecting column 7 is connected with feedback unit.

[0046] During use, the user holds the door handle body, and the finger is pressed on the position of internal sensing element, the sensing element detects the finger, triggers sensing signal and transmits the signal to PCB board 4, PCB board 4 receives sensing signal, processes and drives feedback unit to vibrate, and feedback unit transmits vibration to shell upper body 301 through feedback connecting column 7, and finally to handle shell 1, and the user intuitively feels the operation effectiveness through tactile feedback, so as to open the door.

[0047] Preferably, the feedback connecting column 7 is arranged at the edge of the upper shell body 301, and the end of the upper shell body 301 away from the feedback connecting column 7 forms a free end in the premise that there is a gap between the upper shell body 301 and the lower shell body 302, thereby forming a structure similar to a cantilever beam, which will cause the feedback connecting column 7 to swing slightly when the feedback unit vibrates; since the feedback connecting column 7 has a certain length from the free end of the upper shell body 301, the slight swing is amplified, thereby further increasing the vibration amplitude, and the vibration feedback effect is good, thereby improving the user's human-computer interaction experience.

[0048] The inner bottom of the lower shell body 302 is provided with a plurality of positioning clamping columns 303, and a plurality of positioning holes are correspondingly arranged at the edge of the PCB 4.

[0049] Preferably, since the feedback unit is arranged on the upper side of the PCB 4, in order to ensure the stability of the PCB 4 as a support reference, the PCB 4 is clamped into the lower shell body 302, the positioning clamping columns 303 correspond to the positioning holes, thereby positioning the PCB 4 and limiting the displacement of the PCB 4, avoiding horizontal vibration offset of the PCB 4 during vibration feedback, thereby reducing the vibration amplitude and improving the structural operation stability.

[0050] The haptic feedback module 3 further comprises a double fixing mechanism for fixing the PCB 4 in the haptic feedback module 3 and simultaneously fixing the haptic feedback module 3 to the inner side of the mounting cavity.

[0051] Preferably, in the current electronic component assembly process, a fixing mode of a side wall protruding buckle plus a limiting groove is mostly used for cooperation and fixing. However, the buckle only relies on elastic tension, and the stability is not good. The high-frequency bumping during driving of the automobile will continuously impact the buckle structure, causing the elastic tension to gradually attenuate, and after long-term use, slight looseness may occur. In addition, the buckle structure has an assembly gap, resulting in poor sealing and waterproofness. In order to solve the above technical problems, the embodiment discloses a double fixing mechanism, which can simultaneously fix the PCB 4, the lower shell body 302 and the mounting cavity after assembly is completed, and it is not necessary to reserve a plurality of buckles or limiting grooves on the lower shell body 302 and the mounting cavity, thereby optimizing the structural process.

[0052] A plurality of pairs of clamping holes 304 are formed through the side wall of the lower shell body 302, and the double fixing mechanism comprises a double clamping rod 6, the outer end of the double clamping rod 6 is fixedly connected with an adaptive clamping piece 601, the upper end of the adaptive clamping piece 601 extends to the upper end of the lower shell body 302 and abuts against the inner surface of the handle shell 1, a pair of horizontal holes are formed through the positioning clamping column 303, the pair of horizontal holes are arranged on the upper and lower sides of the PCB 4, and the double clamping rod 6 extends into the pair of horizontal holes through the pair of clamping holes 304.

[0053] Preferably, in order to further limit the vertical direction of the PCB board 4, a double insertion rod 6 and an adapter 601 are provided. Specifically, the double insertion rod 6 passes through a pair of holes 304 and is inserted into a pair of horizontal holes, thereby fixing the PCB board 4 in the lower body 302 of the outer shell, realizing all-round limitation and ensuring the stability of the PCB board 4 itself.

[0054] Preferably, the mounting cavity is provided with several supporting ribs 201 and positioning ribs 202 to position and support the lower body 302 of the outer shell. When the double-insertion locking rod 6 is installed, the outer side of the adapter 601 is adapted to the shape of the mounting cavity, and the inner side of the adapter 601 is provided with a mating groove, thereby engaging with the upper end of the side wall of the lower body 302 (e.g., Figure 5 As shown), when it is necessary to limit and fix the lower body 302 of the outer shell in the vertical direction, simply assemble and fix the handle outer shell 1 on the base frame 2, and press down several adapter clips 601 through the handle outer shell 1 to fix the lower body 302 of the outer shell firmly. No additional buckles and limiting grooves are needed to achieve fixation. The PCB board 4 and the lower body 302 of the outer shell can be fixed by the setting of the double plug-in clip 6 and the adapter clips 601, and the lower body 302 of the outer shell and the mounting cavity are also fixed.

[0055] It should be noted that the assembly and fixing process of the handle housing 1 and the base frame 2 is existing technology in the automotive assembly field, so it will not be elaborated on here.

[0056] A sealing groove 305 is provided on the outside of the card hole 304, and the double insertion rod 6 passes through and is connected to a rubber gasket 306.

[0057] Preferably, in order to further improve the structural sealing performance, a sealing groove 305 is provided. Specifically, a rubber gasket 306 is also provided in the sealing groove 305. The double-insertion rod 6 passes through the rubber gasket 306 and is inserted into the locking hole 304. By compressing and deforming the rubber gasket 306, the movable gap between the double-insertion rod 6 and the locking hole 304 is further blocked, thereby improving the sealing performance and waterproof performance.

[0058] The feedback unit includes a piezoelectric ceramic sheet 701, the lower end of which is connected to the PCB board 4, and the feedback connection post 7 is connected to the piezoelectric ceramic sheet 701.

[0059] Preferably, the driving voltage is output through the PCB board 4. When the voltage is applied to the piezoelectric ceramic sheet 701, it will undergo mechanical deformation and vibration with the change of voltage and frequency, and the vibration will be fed back to the feedback connection post 7.

[0060] A substrate 8 is provided at the lower end of the piezoelectric ceramic sheet 701, with the piezoelectric ceramic sheet 701 located in the middle of the substrate 8, and the length of the substrate 8 being greater than that of the piezoelectric ceramic sheet 701.

[0061] The two ends of the substrate 8 are connected with a pair of rubber pads 801, which are connected with the PCB 4.

[0062] Preferably, in order to further amplify the vibration displacement of the piezoelectric ceramic sheet 701 and increase the acceleration, the substrate 8 is arranged, specifically, the two ends of the substrate 8 are connected with the upper end of the PCB 4 through the rubber pads 801, so that the middle of the substrate 8 is suspended and has sufficient up and down displacement when vibrating, and the piezoelectric ceramic sheet 701 is arranged in the middle of the substrate 8, when the piezoelectric ceramic sheet 701 vibrates, the elastic constraint of the two rubber pads 801 cannot spread the vibration energy to the two ends, and all the vibration energy is concentrated in the middle of the substrate 8, so that the vibration displacement of the middle region is larger than the input displacement of the piezoelectric ceramic sheet 701 itself, thereby further improving the haptic feedback experience;

[0063] Optionally, the material of the substrate 8 includes but is not limited to thin aluminum plate, carbon fiber composite material, high-strength plastic and other light and high-strength materials, which further reduces the mass of the substrate 8.

[0064] The piezoelectric ceramic sheet 701 is connected with the rubber pad 802 between the feedback connecting column 7.

[0065] Preferably, the rubber pad 802 is arranged to play a role of shock absorption and protect the piezoelectric ceramic sheet 701.

[0066] The sensing element includes a capacitive film 9, and the surface of the handle shell 1 is provided with a touch point 5, and the capacitive film 9 is arranged at the lower end of the upper body 301 and corresponds to the position of the touch point 5.

[0067] Preferably, the position of the capacitive film 9 corresponds to the touch point 5 on the surface of the handle shell 1, when the user presses the touch point 5 with a finger, the capacitive film 9 detects the position of the finger, thereby triggering a signal and transmitting the signal to the PCB 4.

[0068] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the foregoing description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A touch type automobile control device, comprising a door handle body, characterized in that: the door handle body comprises a handle shell (1) and a base frame (2) which are connected with each other and fixedly connected, an installation cavity is formed in the inner side of the base frame (2), and a tactile feedback module (3) is arranged in the installation cavity; the tactile feedback module (3) comprises a sensing element, a PCB (4) for controlling an automobile door is connected to the lower side of the sensing element, and a feedback unit for feeding back vibration to the handle shell (1) is arranged at the upper end of the PCB (4); the tactile feedback module (3) further comprises a lower shell body (302), the upper end of the lower shell body (302) is clearance-fitted with a movable upper shell body (301), and the upper surface of the upper shell body (301) is matched with the inner surface of the handle shell (1); the lower end of the upper shell body (301) is fixedly connected with a feedback connecting column (7), the feedback connecting column (7) is arranged at one end of the edge of the upper shell body (301), and the feedback connecting column (7) is connected with the feedback unit; the inner bottom of the lower shell body (302) is provided with a plurality of positioning clamping columns (303), and a plurality of positioning holes are formed at the edge of the PCB (4) correspondingly; the tactile feedback module (3) further comprises a double fixing mechanism, the double fixing mechanism is used for fixing the PCB (4) in the tactile feedback module (3) and simultaneously fixing the tactile feedback module (3) on the inner side of the installation cavity; a plurality of clamping holes (304) are formed through the side wall of the lower shell body (302), the double fixing mechanism comprises double clamping rods (6), the outer end of the double clamping rods (6) is fixedly connected with an adaptive clamping piece (601), the upper end of the adaptive clamping piece (601) extends to the upper end of the lower shell body (302) and is matched with and abuts against the inner surface of the handle shell (1), a pair of transverse holes are formed through the positioning clamping columns (303), the pair of transverse holes are arranged on the upper and lower sides of the PCB (4) correspondingly, the double clamping rods (6) extend into the pair of transverse holes through the pair of clamping holes (304). Sealing grooves (305) are arranged on the outer side of the clamping holes (304), and the double clamping rods (6) extend through and are connected with rubber pads (306). The feedback unit comprises a piezoelectric ceramic sheet (701), the lower end of the piezoelectric ceramic sheet (701) is connected with the PCB (4), and the feedback connecting column (7) is connected with the piezoelectric ceramic sheet (701). The lower end of the piezoelectric ceramic sheet (701) is provided with a substrate (8), the piezoelectric ceramic sheet (701) is located in the middle of the substrate (8), and the length of the substrate (8) is greater than that of the piezoelectric ceramic sheet (701). One pair of rubber pads I (801) are connected to the two ends of the substrate (8), and the rubber pads I (801) are connected with the PCB (4).

2. The touch control for a vehicle as recited in claim 1, wherein: A rubber pad II (802) is connected between the piezoelectric ceramic sheet (701) and the feedback connecting column (7).

3. The touch control for a vehicle as recited in claim 2, wherein: ​ 4. The touch control for a vehicle as recited in claim 3, wherein: ​ 5. The touch control for a vehicle as recited in claim 4, wherein: ​ 6. The touch control for a vehicle as in claim 1 or 2 or 3 or 4, wherein: ​ 7. The touch control for a vehicle as recited in claim 6, wherein: ​ 8. The touch control for a vehicle as recited in claim 7, wherein: ​ 9. The touch control for a vehicle as recited in claim 6, wherein: ​ 10. The touch control for a vehicle as recited in claim 1, wherein: The inductive element comprises a capacitive film (9), and the surface of the handle shell (1) is provided with a touch point (5), and the capacitive film (9) is arranged at the lower end of the shell upper body (301) and corresponds to the position of the touch point (5).

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