Novel accelerator control device

Abstract

The utility model discloses a novel accelerator control device. The device comprises a knob mechanism; the first rotating shaft is sleeved on the knob mechanism and is clamped with the knob mechanism; the turntable is arranged on the side wall of the lower end of the first rotating shaft; a shading sheet is arranged on the bottom surface of the turntable; the circuit board is arranged below the turntable, and the lower end of the knob mechanism penetrates through the circuit board, is movably connected with the circuit board and does fixed-axis rotation movement relative to the circuit board; the photoelectric coded disc is arranged on the top surface of the circuit board, is opposite to the anti-dazzling screen and is used for being matched with the anti-dazzling screen to output an electronic signal; and the potentiometer is arranged on the bottom surface of the circuit board, abuts against the lower end of the knob mechanism, rotates synchronously with the knob mechanism and is used for outputting an electronic signal. According to the novel accelerator control device, dual protection can be conducted on the control signal, the accurate and stable accelerator control signal is output, wrong signal output can be effectively avoided, and the working efficiency and the safety coefficient of a vehicle are improved.

Description

Technical Field

[0001] The present application relates to the technical field of throttle controllers, and more specifically, to a novel throttle control device. Background Art

[0002] Special-purpose vehicles are vehicles equipped with special equipment to meet certain special functions and special roles. Its throttle controller is a widely used device in the field of special-purpose vehicles. It is used to control the amount of oil entering the engine cylinder according to the working requirements of the equipment when the special equipment is working, and adjust the engine speed to meet the normal use of the special equipment or improve the operating efficiency of the equipment.

[0003] At present, special vehicles generally use accelerator pedals or accelerator handles as signal input structures to control the size of the engine throttle. The accelerator pedal or accelerator handle controls the opening of the engine throttle to control the power output of the engine. With the development of technology, some operating switches that control the throttle position by a knob have also appeared. The throttle knob transmits the gear position electrical signal to the controller by rotation. The controller analyzes and executes the change of the throttle mechanism, thereby changing the injection amount of the diesel engine to control the engine speed. However, for traditional accelerator pedals, handles and throttle knobs, the accuracy and sensitivity of their mechanical transmission are not ideal, and different degrees of inaccuracy will occur after long-term use. The accuracy of the throttle knob is very important for the control of the engine speed. No errors are allowed, otherwise it will affect its working efficiency and even endanger the safety of the vehicle and people.

[0004] Therefore, how to provide a new throttle control device that can provide dual protection for the control signal, output accurate and stable throttle control signals, effectively avoid erroneous signal output, and improve the working efficiency and safety factor of the vehicle has become a technical problem that needs to be urgently solved by technical personnel in this field. Utility Model Content

[0005] In order to solve the above technical problems, the present application provides a new throttle control device, which can provide double protection for the control signal and output accurate and stable throttle control signals, which can effectively avoid erroneous signal output and improve the working efficiency and safety factor of the vehicle.

[0006] The technical solutions provided by this application are as follows:

[0007] The present application provides a novel throttle control device, comprising: a knob mechanism; a first rotating shaft sleeved on the knob mechanism and engaged with the knob mechanism; a turntable arranged on the side wall of the lower end of the first rotating shaft, a shading sheet being arranged on the bottom surface of the turntable; a circuit board arranged below the turntable, the lower end of the knob mechanism passing through the circuit board, being movably connected with the circuit board, and performing fixed-axis rotational motion relative to the circuit board; a photoelectric encoder arranged on the top surface of the circuit board, the photoelectric encoder being arranged opposite to the shading sheet, and being used to cooperate with the shading sheet to output electronic signals; a potentiometer arranged on the bottom surface of the circuit board, the potentiometer being in contact with the lower end of the knob mechanism, and rotating synchronously with the knob mechanism, and being used to synchronously output electronic signals.

[0008] Furthermore, in a preferred embodiment of the present invention, the knob mechanism comprises:

[0009] Knob cap;

[0010] A second rotating shaft disposed below the knob cap and integrally formed with the knob cap;

[0011] The second rotating shaft is a stepped shaft, and a D-shaped flange is arranged at the lower end. The D-shaped flange is engaged with the potentiometer and is used to drive the first rotating shaft and the potentiometer to rotate synchronously.

[0012] Furthermore, in a preferred embodiment of the present invention, the photoelectric code disk includes:

[0013] A U-shaped code disc disposed on the top surface of the circuit board;

[0014] An infrared radiation mechanism disposed on the inner side wall of the U-shaped code disk and used to generate a control signal;

[0015] The infrared emitting mechanism comprises a transmitter and a receiver, which are arranged opposite to each other and are respectively arranged on the inner side walls of both sides of the U-shaped code disk.

[0016] Furthermore, in a preferred embodiment of the present invention, the light shielding sheet is arranged opposite to the U-shaped code disc, and the light shielding sheet is arranged in the U-shaped groove of the U-shaped code disc;

[0017] The shading sheet rotates synchronously with the knob mechanism to block or open the infrared radiation between the transmitter and the receiver.

[0018] Furthermore, in a preferred embodiment of the present invention, the shading sheet is an arc-shaped sheet structure, and the shading sheet is provided with three pieces;

[0019] The U-shaped code discs are provided in four pieces, and each pair of the U-shaped code discs and each pair of the shading sheets are spaced a predetermined distance apart.

[0020] Furthermore, in a preferred embodiment of the present invention, the novel throttle control device further comprises:

[0021] Bottom shell;

[0022] An operation panel disposed on the bottom shell;

[0023] The operation panel is provided with a through hole, the knob mechanism and the lower end of the first rotating shaft pass through the through hole and extend into the bottom shell, and the circuit board is arranged in the bottom shell.

[0024] Furthermore, in a preferred embodiment of the present invention, a slot is provided on the inner side wall of the upper end of the first rotating shaft;

[0025] A buckle is provided on the outer side wall of the upper end of the second rotating shaft, and the buckle is placed in the clamping groove, so that the first rotating shaft and the knob mechanism are connected surface to surface to form an integrated structure.

[0026] Furthermore, in a preferred embodiment of the present invention, the novel throttle control device further comprises: an anti-slip flange disposed on the outer side wall of the knob cap for increasing the rotational friction.

[0027] Furthermore, in a preferred embodiment of the present invention, the photoelectric encoder and the potentiometer are soldered to the circuit board, and the two are coaxially arranged to output electronic signals through fixed-axis rotation of the knob mechanism.

[0028] Furthermore, in a preferred embodiment of the utility model, the novel throttle control device further comprises: a limiting flange arranged on the outer side wall of the lower end of the second rotating shaft, the limiting flange being integrally formed with the second rotating shaft and being used to limit the rotation angle of the knob mechanism.

[0029] The utility model provides a novel throttle control device, comprising: a knob mechanism; a first rotating shaft sleeved on the knob mechanism and clamped with the knob mechanism; a turntable arranged on the side wall of the lower end of the first rotating shaft, and a shading sheet is arranged on the bottom surface of the turntable; a circuit board arranged below the turntable, the lower end of the knob mechanism passes through the circuit board, is movably connected with the circuit board, and performs fixed-axis rotational movement relative to the circuit board; a photoelectric encoder arranged on the top surface of the circuit board, the photoelectric encoder is arranged opposite to the shading sheet, and is used to cooperate with the shading sheet to output electronic signals; a potentiometer arranged on the bottom surface of the circuit board, the potentiometer is in contact with the lower end of the knob mechanism, rotates synchronously with the knob mechanism, and is used to synchronously output electronic signals. Among them, in the novel throttle control device, the knob mechanism is manually operated to rotate around a fixed axis to change the throttle execution signal of the vehicle; the first rotating shaft is connected to the knob mechanism through a buckle, and the surface is tightly matched, and it rotates synchronously with the knob mechanism, thereby driving the shading sheet on the turntable to rotate around a fixed axis; and for the output of the electronic signal, a double protection structure is adopted: first, the shading sheet rotates with the knob mechanism, and it is embedded above the photoelectric encoder disk. By rotating to turn on and off the infrared incident light of the photoelectric encoder disk, the output signal changes, and the electronic signal is logically processed in the circuit board to output the throttle control signal; second, The knob mechanism has a fixed axis under the action of external force, and its lower end passes through the circuit board and is connected to the potentiometer, driving the potentiometer to rotate, and also generates an electronic signal. After the electronic signal is transmitted to the circuit board, it can also output a throttle control signal after logical processing; both of them output the throttle control signal by rotating the same knob mechanism to trigger the internal structure to generate an electronic signal, thereby changing the vehicle engine speed, and realizing double protection of the throttle control signal. When the electronic signal generated by the photoelectric encoder and the potentiometer is interfered with and causes one side to fail, either side can output the control signal alone, making the signal stability extremely high. Therefore, compared with the prior art, the technical solution provided by the utility model can provide double protection for the control signal, output accurate and stable throttle control signal, effectively avoid signal error output, and improve the working efficiency and safety factor of the vehicle.

[0030] In summary, the beneficial effects of the utility model are as follows: the new throttle control device provided by the utility model adopts a photoelectric encoder to generate an electronic signal in the signal output mode, which can be triggered contactlessly and has a long service life; and the new throttle control device provided by the utility model adopts double protection for the generation and output of the control signal. Through the dual output structure of the photoelectric encoder and the potentiometer, it can output an accurate and stable throttle control signal, which can effectively avoid the error output of the signal. When the electronic signal is interfered and causes one party to fail, any one of the two parties can output the control signal separately, so that the signal stability is extremely high; secondly, the new throttle control device provided by the utility model, by arranging a plurality of the photoelectric encoders and shading sheets, and arranging the photoelectric encoders and the shading sheets in pairs by setting a predetermined distance, can generate 12 signal changes and output 12 different throttle control signals by rotating the knob mechanism, that is, the engine speed is divided into 12 gears, which can be switched freely. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0032] Figure 1 A schematic diagram of the exploded structure of a novel throttle control device provided by an embodiment of the utility model;

[0033] Figure 2 A schematic diagram of the installation of the knob mechanism and the first rotating shaft provided in an embodiment of the utility model;

[0034] Figure 3 A full cross-sectional view of the knob mechanism provided in an embodiment of the utility model;

[0035] Figure 4 A cross-sectional view of the knob mechanism provided in an embodiment of the utility model;

[0036] Figure 5 A schematic diagram of the installation of the photoelectric encoder provided in an embodiment of the utility model;

[0037] Figure 6 A schematic diagram of the arrangement of the photoelectric code disk and the light shielding sheet provided in an embodiment of the utility model;

[0038] Figure 7 A schematic diagram of the installation of the potentiometer provided in an embodiment of the utility model;

[0039] Figure 8A cross-sectional view of the installation of the potentiometer provided in an embodiment of the utility model;

[0040] Fig. 9 A schematic diagram of the installation of the D-shaped flange and the potentiometer provided in an embodiment of the utility model.

[0041] Description of reference numerals:

[0042] Knob mechanism 1; first rotating shaft 2; rotating disk 3; shading sheet 4; circuit board 5; photoelectric code disk 6; potentiometer 7; knob cap 8; second rotating shaft 9; D-shaped flange 10; U-shaped code disk 11; infrared emitting mechanism 12; bottom shell 13; operation panel 14; buckle 15; anti-slip flange 16; limit flange 17. DETAILED DESCRIPTION

[0043] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of this application.

[0044] It should be noted that when an element is referred to as being "fixed on" or "set on" another element, it can be directly on the other element or indirectly set on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0045] It should be understood that the terms "length", "width", "up", "down", "front", "back", "first", "second", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0046] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0047] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which this application can be implemented. Therefore, they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0048] like Figures 1 to 9 As shown, the novel throttle control device provided in the embodiment of the present application includes: a knob mechanism 1; a first rotating shaft 2 sleeved on the knob mechanism 1 and engaged with the knob mechanism 1; a turntable 3 arranged on the side wall of the lower end of the first rotating shaft 2, and a shading sheet 4 is arranged on the bottom surface of the turntable 3; a circuit board 5 arranged below the turntable 3, the lower end of the knob mechanism 1 passes through the circuit board 5, is movably connected with the circuit board 5, and performs fixed-axis rotational movement relative to the circuit board 5; a photoelectric encoder 6 arranged on the top surface of the circuit board 5, the photoelectric encoder 6 is arranged opposite to the shading sheet 4, and is used to cooperate with the shading sheet 4 to output electronic signals; a potentiometer 7 arranged on the bottom surface of the circuit board 5, the potentiometer 7 is abutted against the lower end of the knob mechanism 1, and rotates synchronously with the knob mechanism 1, and is used to synchronously output electronic signals.

[0049] The utility model provides a novel throttle control device, which specifically comprises: a knob mechanism 1; a first rotating shaft 2 which is sleeved on the knob mechanism 1 and clamped with the knob mechanism 1; a turntable 3 which is arranged on the side wall of the lower end of the first rotating shaft 2, and a shading sheet 4 is arranged on the bottom surface of the turntable 3; a circuit board 5 which is arranged below the turntable 3, and the lower end of the knob mechanism 1 passes through the circuit board 5, is movably connected with the circuit board 5, and performs fixed-axis rotational movement relative to the circuit board 5; a photoelectric encoder 6 which is arranged on the top surface of the circuit board 5, and the photoelectric encoder 6 is arranged opposite to the shading sheet 4, and is used to cooperate with the shading sheet 4 to output electronic signals; a potentiometer 7 which is arranged on the bottom surface of the circuit board 5, and the potentiometer 7 is abutted against the lower end of the knob mechanism 1, and rotates synchronously with the knob mechanism 1, and is used to synchronously output electronic signals. Among them, in the novel throttle control device, the knob mechanism 1 is manually operated to rotate around a fixed axis to change the throttle execution signal of the vehicle; the first rotating shaft 2 is connected to the knob mechanism 1 through the buckle 15, and the surface is tightly matched, and it rotates synchronously with the knob mechanism 1, thereby driving the shading sheet 4 on the turntable 3 to rotate around a fixed axis; and for the output of the electronic signal, a double protection structure is adopted: first, the shading sheet 4 rotates with the knob mechanism 1, and it is embedded above the photoelectric code disk 6. By rotating to turn on and off the infrared incident light of the photoelectric code disk 6, the output signal changes, and the electronic signal is logically processed in the circuit board 5 to output the throttle control signal; Second, the knob mechanism 1 is fixed with a rotating shaft under the action of external force, and its lower end passes through the circuit board 5 and is connected to the potentiometer 7, driving the potentiometer 7 to rotate, and also generates an electronic signal. After the electronic signal is transmitted to the circuit board 5, it can also output a throttle control signal after logical processing; both of them output the throttle control signal by rotating the same knob mechanism 1 to trigger the internal structure to generate an electronic signal, thereby changing the vehicle engine speed, and realizing double protection of the throttle control signal. When the electronic signal generated by the photoelectric code disk 6 and the potentiometer 7 is interfered and causes one side to fail, either side can output the control signal alone, making the signal stability extremely high. Therefore, compared with the prior art, the technical solution provided by the utility model can provide double protection for the control signal, output accurate and stable throttle control signal, effectively avoid signal error output, and improve the working efficiency and safety factor of the vehicle.

[0050] The technical solution of the utility model is described in detail below in conjunction with specific embodiments:

[0051] Specifically, in an embodiment of the utility model, the knob mechanism 1 includes: a knob cap 8; a second rotating shaft 9 arranged below the knob cap 8 and integrally formed with the knob cap 8; the second rotating shaft 9 is a stepped shaft, and a D-shaped flange 10 is provided at the lower end, and the D-shaped flange 10 is engaged with the potentiometer 7 for driving the first rotating shaft 2 and the potentiometer 7 to rotate synchronously.

[0052] Among them, in the embodiment of the utility model, the knob cap 8 is an umbrella-shaped structure, which is composed of a top cover, an external side wall structure and an internal side wall structure, and the three are integrally formed; the second rotating shaft 9 is arranged below the internal side wall structure, and it passes through the first rotating shaft 2, and is tightly connected with the first rotating shaft 2 face to face, driving the first rotating shaft 2 to rotate synchronously, and the lower end is provided with a D-shaped flange 10, which is engaged with the D hole on the potentiometer 7, thereby driving the potentiometer 7 to rotate synchronously.

[0053] Specifically, in the embodiment of the present utility model, the novel throttle control device further includes: an anti-slip flange 16 disposed on the outer side wall of the knob cap 8 for increasing the rotational friction.

[0054] In the embodiment of the present utility model, the anti-slip flange 16 is a strip structure, which is axially and evenly arranged on the outer side wall structure, and is used to increase the friction resistance when the operator manually turns the knob cap 8.

[0055] Specifically, in an embodiment of the present utility model, the photoelectric code disk 6 includes: a U-shaped code disk 11 arranged on the top surface of the circuit board 5; an infrared radiation mechanism 12 arranged on the inner wall of the U-shaped code disk 11 for generating a control signal; the infrared radiation mechanism 12 includes a transmitter and a receiver, which are arranged opposite to each other and are respectively arranged on the inner walls on both sides of the U-shaped code disk 11.

[0056] Among them, in an embodiment of the utility model, the U-shaped code disk 11 is soldered to the top surface of the circuit board 5, and the infrared radiating structure is arranged on the inner wall of the U-shaped code disk 11, specifically an infrared radiating tube, on the inner wall, one side is the transmitting end, and the other side is the receiving end, and the two are arranged relatively to each other, and can generate electronic signals in two states: blocked and unblocked.

[0057] Specifically, in an embodiment of the utility model, the shading sheet 4 is arranged opposite to the U-shaped code disk 11, and the shading sheet 4 is arranged in the U-shaped groove of the U-shaped code disk 11; the shading sheet 4 rotates synchronously with the knob mechanism 1, and is used to block or open the infrared radiation between the transmitter and the receiver.

[0058] Among them, in an embodiment of the utility model, one of the ways to generate and output the electronic signal adopts the contactless trigger output of the photoelectric code disk 6, specifically: manually rotating the knob mechanism 1 drives the turntable 3 to rotate on a fixed axis, and the shading sheet 4 placed on the bottom of the turntable 3 follows the rotation, the shading sheet 4 is embedded in the U-shaped groove of the code disk, and is contactlessly connected to the U-shaped code disk 11, the photoelectric code disk 6 is soldered on the circuit board 5, and the transmitter emits infrared light to the receiver. When the rotating shading sheet 4 turns to block the infrared radiation, the receiving end will not receive the signal from the transmitting end, thereby changing the output electronic signal, and the electronic signal is transmitted to the circuit board 5 for logic processing, and the throttle control signal is output, thereby changing the vehicle engine speed.

[0059] Specifically, in the embodiment of the utility model, the shading sheet 4 is an arc-shaped sheet structure, and three shading sheets 4 are provided; the U-shaped code disks 11 are provided in four pieces, and the U-shaped code disks 11 and the shading sheets 4 are spaced a predetermined distance apart from each other.

[0060] Among them, the shading sheet 4 and the photoelectric encoder 6 are provided in multiple pieces, and the length of the shading sheet 4 depends on the situation. It is used to set different signal states according to specific application scenarios, so as to set multiple throttle control signals and divide the engine speed into multiple gears; in this embodiment, the photoelectric encoder 6 is provided with four pieces, and the shading sheet 4 is provided with three pieces. Through the rotational movement of the three shading sheets 4, the engine speed can be divided into 12 different gears, which can meet the different operating requirements of the vehicle.

[0061] Specifically, in an embodiment of the utility model, the novel throttle control device further includes: a bottom shell 13; an operating panel 14 arranged on the bottom shell 13; a through hole is provided on the operating panel 14, and the knob mechanism 1 and the lower end of the first rotating shaft 2 pass through the through hole and extend into the bottom shell 13, and the circuit board 5 is arranged in the bottom shell 13.

[0062] Specifically, in an embodiment of the present utility model, a slot is provided on the inner wall of the upper end of the first rotating shaft 2; a buckle 15 is provided on the outer wall of the upper end of the second rotating shaft 9, and the buckle 15 is placed in the slot, so that the first rotating shaft 2 and the knob mechanism 1 are connected surface to surface to form an integrated structure.

[0063] Among them, in an embodiment of the utility model, the knob mechanism 1 is fixedly connected to the first rotating shaft 2, and its specific connection method is a buckle 15 matching connection; a slot is provided on the inner side wall of the upper end of the first rotating shaft 2, and a buckle 15 is provided on the outer side wall of the upper end of the second rotating shaft 9 in the knob mechanism 1, the two are clamped, and the inner wall of the first rotating shaft 2 and the outer wall of the second rotating shaft 9 are tightly fitted, face to face matching connection, forming an integrated structure, so that the two have good mechanical synchronization.

[0064] Specifically, in the embodiment of the present utility model, the photoelectric encoder 6 and the potentiometer 7 are soldered on the circuit board 5, and the two are coaxially arranged to output electronic signals through the fixed axis rotation of the knob mechanism 1.

[0065] Among them, in the embodiment of the utility model, for the output of electronic signals, another structural method adopts a rotary potentiometer 7 for signal output, specifically: a D-shaped flange 10 is set at the lower end of the knob mechanism 1, and the potentiometer 7 is soldered to the bottom surface of the circuit board 5, and a D-shaped hole is set on it, which is engaged with the D-shaped flange 10. The knob mechanism 1 rotates around a fixed axis under the action of external force, driving the potentiometer 7 to rotate, thereby generating an electronic signal, and the signal is transmitted to the circuit board 5. After logical processing, the throttle control signal is output.

[0066] Specifically, in an embodiment of the utility model, the novel throttle control device further includes: a limiting flange 17 arranged on the outer side wall of the lower end of the second rotating shaft 9, the limiting flange 17 is integrally formed with the second rotating shaft 9, and is used to limit the rotation angle of the knob mechanism 1.

[0067] Among them, in an embodiment of the utility model, the limiting flange 17 is arranged on the outer side wall of the second rotating shaft 9, and follows the knob mechanism 1 to rotate on a fixed axis, and stops rotating when it touches an abutment object, and is mainly used to limit the movement stroke of the knob mechanism 1.

[0068] As described above, in the novel throttle control device provided by the embodiment of the utility model, during the use of the novel throttle control device, the knob mechanism 1 is manually operated to rotate around a fixed axis to change the throttle execution signal of the vehicle; the first rotating shaft 2 is connected to the knob mechanism 1 through the buckle 15, and the surface is tightly matched, and it rotates synchronously with the knob mechanism 1, thereby driving the shading sheet 4 on the turntable 3 to rotate around a fixed axis; and for the output of the electronic signal, a double protection structure is adopted: first, the shading sheet 4 rotates with the knob mechanism 1, and it is embedded above the photoelectric code disk 6, and the photoelectric code disk 6 is soldered on the circuit board 5. There is a group of infrared radiation mechanisms 12 for generating signals in the U-shaped groove of the code disk, one side is the transmitting end, and the other side is the receiving end. When the shading sheet 4 on the turntable 3 blocks the infrared radiation, the receiver will not receive the signal of the transmitter, thereby changing the output signal, and the electronic signal is logically processed in the circuit board 5 to output the throttle signal. Door control signal; second, the knob mechanism 1 is fixedly rotated under the action of external force, and its lower end passes through the circuit board 5 and is connected to the potentiometer 7. The potentiometer 7 is soldered to the bottom surface of the circuit board 5. A D-shaped flange 10 is arranged at the lower end of the rotating mechanism. The flange and the D hole in the potentiometer 7 cooperate with each other to drive the potentiometer 7 to rotate, and also generate an electronic signal. After the electronic signal is transmitted to the circuit board 5, it can also output a throttle control signal after logical processing, so as to ensure that the potentiometer 7 generates a signal output when the photoelectric signal fails; both of them output the throttle control signal by rotating the same knob mechanism 1 to trigger the internal structure to generate an electronic signal, thereby changing the vehicle engine speed, and realizing double protection of the throttle control signal. When the electronic signals generated by the photoelectric code disk 6 and the potentiometer 7 are interfered with and cause one of them to fail, either of the two parties can output a control signal separately, so that the signal stability is extremely high. Therefore, compared with the prior art, the technical solution provided by the utility model can provide double protection for the control signal and output a precise and stable throttle control signal, which can effectively avoid erroneous signal output and improve the working efficiency and safety factor of the vehicle.

[0069] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A novel throttle control device, characterized in that: include: Knob mechanism; A first rotating shaft sleeved on the knob mechanism and engaged with the knob mechanism; A rotating disk is arranged on the side wall of the lower end of the first rotating shaft, and a light shielding sheet is arranged on the bottom surface of the rotating disk; A circuit board is arranged below the turntable; the lower end of the knob mechanism penetrates the circuit board, is movably connected to the circuit board, and performs a fixed-axis rotational motion relative to the circuit board; A photoelectric encoder is disposed on the top surface of the circuit board, the photoelectric encoder is disposed opposite to the light shielding sheet, and is used to cooperate with the light shielding sheet to output electronic signals; A potentiometer is arranged on the bottom surface of the circuit board, the potentiometer abuts against the lower end of the knob mechanism, rotates synchronously with the knob mechanism, and is used for synchronously outputting electronic signals.

2. The novel throttle control device according to claim 1 is characterized in that: The knob mechanism comprises: Knob cap; A second rotating shaft disposed below the knob cap and integrally formed with the knob cap; The second rotating shaft is a stepped shaft, and a D-shaped flange is arranged at the lower end. The D-shaped flange is engaged with the potentiometer and is used to drive the first rotating shaft and the potentiometer to rotate synchronously.

3. The novel throttle control device according to claim 1 is characterized in that: The photoelectric code disk comprises: A U-shaped code disc disposed on the top surface of the circuit board; An infrared radiation mechanism disposed on the inner side wall of the U-shaped code disk and used to generate a control signal; The infrared emitting mechanism comprises a transmitter and a receiver, which are arranged opposite to each other and are respectively arranged on the inner side walls of both sides of the U-shaped code disk.

4. The novel throttle control device according to claim 3 is characterized in that: The light shielding sheet is arranged opposite to the U-shaped code disc, and the light shielding sheet is arranged in the U-shaped groove of the U-shaped code disc; The shading sheet rotates synchronously with the knob mechanism to block or open the infrared radiation between the transmitter and the receiver.

5. The novel throttle control device according to claim 4 is characterized in that: The shading sheet is an arc-shaped sheet structure, and the shading sheet is provided with three pieces; The U-shaped code discs are provided in four pieces, and each pair of the U-shaped code discs and each pair of the shading sheets are spaced a predetermined distance apart.

6. The novel throttle control device according to claim 1 is characterized in that: The novel throttle control device also includes: Bottom shell; An operation panel disposed on the bottom shell; The operation panel is provided with a through hole, the knob mechanism and the lower end of the first rotating shaft pass through the through hole and extend into the bottom shell, and the circuit board is arranged in the bottom shell.

7. The novel throttle control device according to claim 2 is characterized in that: A clamping groove is provided on the inner side wall of the upper end of the first rotating shaft; A buckle is provided on the outer side wall of the upper end of the second rotating shaft, and the buckle is placed in the clamping groove, so that the first rotating shaft and the knob mechanism are connected surface to surface to form an integrated structure.

8. The novel throttle control device according to claim 7 is characterized in that: The novel throttle control device also includes: An anti-slip flange is arranged on the outer side wall of the knob cap.

9. The novel throttle control device according to claim 8 is characterized in that: The photoelectric encoder disk and the potentiometer are soldered on the circuit board, and the photoelectric encoder disk and the potentiometer are soldered coaxially.

10. The novel throttle control device according to claim 9, characterized in that: The novel throttle control device also includes: A limiting flange is arranged on the outer side wall of the lower end of the second rotating shaft, and the limiting flange is integrally formed with the second rotating shaft, and is used to limit the rotation angle of the knob mechanism.

Images